/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3;
import android.app.SearchManager;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProviderInfo;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentProviderOperation;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.Intent.ShortcutIconResource;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.content.pm.ProviderInfo;
import android.content.pm.ResolveInfo;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Environment;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Parcelable;
import android.os.Process;
import android.os.SystemClock;
import android.os.TransactionTooLargeException;
import android.provider.BaseColumns;
import android.text.TextUtils;
import android.util.Log;
import android.util.LongSparseArray;
import android.util.Pair;
import com.android.launcher3.compat.AppWidgetManagerCompat;
import com.android.launcher3.compat.LauncherActivityInfoCompat;
import com.android.launcher3.compat.LauncherAppsCompat;
import com.android.launcher3.compat.PackageInstallerCompat;
import com.android.launcher3.compat.PackageInstallerCompat.PackageInstallInfo;
import com.android.launcher3.compat.UserHandleCompat;
import com.android.launcher3.compat.UserManagerCompat;
import com.android.launcher3.model.MigrateFromRestoreTask;
import com.android.launcher3.model.WidgetsModel;
import com.android.launcher3.settings.SettingsProvider;
import com.android.launcher3.stats.internal.service.AggregationIntentService;
import com.android.launcher3.util.ComponentKey;
import com.android.launcher3.util.CursorIconInfo;
import com.android.launcher3.util.LongArrayMap;
import com.android.launcher3.util.ManagedProfileHeuristic;
import com.android.launcher3.util.Thunk;
import java.lang.ref.WeakReference;
import java.net.URISyntaxException;
import java.security.InvalidParameterException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;
/**
* Maintains in-memory state of the Launcher. It is expected that there should be only one
* LauncherModel object held in a static. Also provide APIs for updating the database state
* for the Launcher.
*/
public class LauncherModel extends BroadcastReceiver
implements LauncherAppsCompat.OnAppsChangedCallbackCompat {
static final boolean DEBUG_LOADERS = false;
private static final boolean DEBUG_RECEIVER = false;
private static final boolean REMOVE_UNRESTORED_ICONS = true;
static final String TAG = "Launcher.Model";
public static final int LOADER_FLAG_NONE = 0;
public static final int LOADER_FLAG_CLEAR_WORKSPACE = 1 << 0;
public static final int LOADER_FLAG_MIGRATE_SHORTCUTS = 1 << 1;
public static final int LOADER_FLAG_RESIZE_GRID = 1 << 2;
private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons
private static final long INVALID_SCREEN_ID = -1L;
@Thunk final boolean mAppsCanBeOnRemoveableStorage;
private final boolean mOldContentProviderExists;
@Thunk final LauncherAppState mApp;
@Thunk final Object mLock = new Object();
@Thunk DeferredHandler mHandler = new DeferredHandler();
@Thunk LoaderTask mLoaderTask;
@Thunk boolean mIsLoaderTaskRunning;
@Thunk boolean mHasLoaderCompletedOnce;
private volatile boolean mFlushingWorkerThread;
private static final String MIGRATE_AUTHORITY = "com.android.launcher2.settings";
@Thunk static final HandlerThread sWorkerThread = new HandlerThread("launcher-loader");
static {
sWorkerThread.start();
}
@Thunk static final Handler sWorker = new Handler(sWorkerThread.getLooper());
// We start off with everything not loaded. After that, we assume that
// our monitoring of the package manager provides all updates and we never
// need to do a requery. These are only ever touched from the loader thread.
@Thunk boolean mWorkspaceLoaded;
@Thunk boolean mAllAppsLoaded;
// When we are loading pages synchronously, we can't just post the binding of items on the side
// pages as this delays the rotation process. Instead, we wait for a callback from the first
// draw (in Workspace) to initiate the binding of the remaining side pages. Any time we start
// a normal load, we also clear this set of Runnables.
static final ArrayList<Runnable> mDeferredBindRunnables = new ArrayList<Runnable>();
/**
* Set of runnables to be called on the background thread after the workspace binding
* is complete.
*/
static final ArrayList<Runnable> mBindCompleteRunnables = new ArrayList<Runnable>();
@Thunk WeakReference<Callbacks> mCallbacks;
// < only access in worker thread >
AllAppsList mBgAllAppsList;
// Entire list of widgets.
WidgetsModel mBgWidgetsModel;
// The lock that must be acquired before referencing any static bg data structures. Unlike
// other locks, this one can generally be held long-term because we never expect any of these
// static data structures to be referenced outside of the worker thread except on the first
// load after configuration change.
static final Object sBgLock = new Object();
// sBgItemsIdMap maps *all* the ItemInfos (shortcuts, folders, and widgets) created by
// LauncherModel to their ids
static final LongArrayMap<ItemInfo> sBgItemsIdMap = new LongArrayMap<>();
// sBgWorkspaceItems is passed to bindItems, which expects a list of all folders and shortcuts
// created by LauncherModel that are directly on the home screen (however, no widgets or
// shortcuts within folders).
static final ArrayList<ItemInfo> sBgWorkspaceItems = new ArrayList<ItemInfo>();
// sBgAppWidgets is all LauncherAppWidgetInfo created by LauncherModel. Passed to bindAppWidget()
static final ArrayList<LauncherAppWidgetInfo> sBgAppWidgets =
new ArrayList<LauncherAppWidgetInfo>();
// sBgFolders is all FolderInfos created by LauncherModel. Passed to bindFolders()
static final LongArrayMap<FolderInfo> sBgFolders = new LongArrayMap<>();
// sBgWorkspaceScreens is the ordered set of workspace screens.
static final ArrayList<Long> sBgWorkspaceScreens = new ArrayList<Long>();
// sBgWidgetProviders is the set of widget providers including custom internal widgets
public static HashMap<ComponentKey, LauncherAppWidgetProviderInfo> sBgWidgetProviders;
// sPendingPackages is a set of packages which could be on sdcard and are not available yet
static final HashMap<UserHandleCompat, HashSet<String>> sPendingPackages =
new HashMap<UserHandleCompat, HashSet<String>>();
// </ only access in worker thread >
@Thunk IconCache mIconCache;
@Thunk final LauncherAppsCompat mLauncherApps;
@Thunk final UserManagerCompat mUserManager;
public interface Callbacks {
public boolean setLoadOnResume();
public int getCurrentWorkspaceScreen();
public void startBinding();
public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end,
boolean forceAnimateIcons);
public void bindScreens(ArrayList<Long> orderedScreenIds);
public void bindAddScreens(ArrayList<Long> orderedScreenIds);
public void bindFolders(LongArrayMap<FolderInfo> folders);
public void finishBindingItems();
public void bindAppWidget(LauncherAppWidgetInfo info);
public void bindAllApplications(ArrayList<AppInfo> apps);
public void bindAppsAdded(ArrayList<Long> newScreens,
ArrayList<ItemInfo> addNotAnimated,
ArrayList<ItemInfo> addAnimated,
ArrayList<AppInfo> addedApps);
public void bindAppsUpdated(ArrayList<AppInfo> apps);
public void bindShortcutsChanged(ArrayList<ShortcutInfo> updated,
ArrayList<ShortcutInfo> removed, UserHandleCompat user);
public void bindWidgetsRestored(ArrayList<LauncherAppWidgetInfo> widgets);
public void bindRestoreItemsChange(HashSet<ItemInfo> updates);
public void bindComponentsRemoved(ArrayList<String> packageNames,
ArrayList<AppInfo> appInfos, UserHandleCompat user, int reason);
public void bindPackagesUpdated(ArrayList<Object> widgetsAndShortcuts);
public void bindAllPackages(WidgetsModel model);
public void bindSearchProviderChanged();
public void bindComponentsUnavailable(ArrayList<String> packageNames,
ArrayList<AppInfo> appInfos);
public void bindComponentsAvailable(ArrayList<ItemInfo> itemInfos);
public boolean isAllAppsButtonRank(int rank);
public void onPageBoundSynchronously(int page);
public void dumpLogsToLocalData();
}
public interface ItemInfoFilter {
public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn);
}
LauncherModel(LauncherAppState app, IconCache iconCache, AppFilter appFilter) {
Context context = app.getContext();
mAppsCanBeOnRemoveableStorage = Environment.isExternalStorageRemovable();
String oldProvider = context.getString(R.string.old_launcher_provider_uri);
// This may be the same as MIGRATE_AUTHORITY, or it may be replaced by a different
// resource string.
String redirectAuthority = Uri.parse(oldProvider).getAuthority();
ProviderInfo providerInfo =
context.getPackageManager().resolveContentProvider(MIGRATE_AUTHORITY, 0);
ProviderInfo redirectProvider =
context.getPackageManager().resolveContentProvider(redirectAuthority, 0);
Log.d(TAG, "Old launcher provider: " + oldProvider);
mOldContentProviderExists = (providerInfo != null) && (redirectProvider != null);
if (mOldContentProviderExists) {
Log.d(TAG, "Old launcher provider exists.");
} else {
Log.d(TAG, "Old launcher provider does not exist.");
}
mApp = app;
mBgAllAppsList = new AllAppsList(iconCache, appFilter);
mBgWidgetsModel = new WidgetsModel(context, iconCache, appFilter);
mIconCache = iconCache;
mLauncherApps = LauncherAppsCompat.getInstance(context);
mUserManager = UserManagerCompat.getInstance(context);
}
/** Runs the specified runnable immediately if called from the main thread, otherwise it is
* posted on the main thread handler. */
@Thunk void runOnMainThread(Runnable r) {
if (sWorkerThread.getThreadId() == Process.myTid()) {
// If we are on the worker thread, post onto the main handler
mHandler.post(r);
} else {
r.run();
}
}
/** Runs the specified runnable immediately if called from the worker thread, otherwise it is
* posted on the worker thread handler. */
@Thunk static void runOnWorkerThread(Runnable r) {
if (sWorkerThread.getThreadId() == Process.myTid()) {
r.run();
} else {
// If we are not on the worker thread, then post to the worker handler
sWorker.post(r);
}
}
boolean canMigrateFromOldLauncherDb(Launcher launcher) {
return mOldContentProviderExists && !launcher.isLauncherPreinstalled() ;
}
public void setPackageState(final PackageInstallInfo installInfo) {
Runnable updateRunnable = new Runnable() {
@Override
public void run() {
synchronized (sBgLock) {
final HashSet<ItemInfo> updates = new HashSet<>();
if (installInfo.state == PackageInstallerCompat.STATUS_INSTALLED) {
// Ignore install success events as they are handled by Package add events.
return;
}
for (ItemInfo info : sBgItemsIdMap) {
if (info instanceof ShortcutInfo) {
ShortcutInfo si = (ShortcutInfo) info;
ComponentName cn = si.getTargetComponent();
if (si.isPromise() && (cn != null)
&& installInfo.packageName.equals(cn.getPackageName())) {
si.setInstallProgress(installInfo.progress);
if (installInfo.state == PackageInstallerCompat.STATUS_FAILED) {
// Mark this info as broken.
si.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE;
}
updates.add(si);
}
}
}
for (LauncherAppWidgetInfo widget : sBgAppWidgets) {
if (widget.providerName.getPackageName().equals(installInfo.packageName)) {
widget.installProgress = installInfo.progress;
updates.add(widget);
}
}
if (!updates.isEmpty()) {
// Push changes to the callback.
Runnable r = new Runnable() {
public void run() {
Callbacks callbacks = getCallback();
if (callbacks != null) {
callbacks.bindRestoreItemsChange(updates);
}
}
};
mHandler.post(r);
}
}
}
};
runOnWorkerThread(updateRunnable);
}
/**
* Updates the icons and label of all pending icons for the provided package name.
*/
public void updateSessionDisplayInfo(final String packageName) {
Runnable updateRunnable = new Runnable() {
@Override
public void run() {
synchronized (sBgLock) {
final ArrayList<ShortcutInfo> updates = new ArrayList<>();
final UserHandleCompat user = UserHandleCompat.myUserHandle();
for (ItemInfo info : sBgItemsIdMap) {
if (info instanceof ShortcutInfo) {
ShortcutInfo si = (ShortcutInfo) info;
ComponentName cn = si.getTargetComponent();
if (si.isPromise() && (cn != null)
&& packageName.equals(cn.getPackageName())) {
if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) {
// For auto install apps update the icon as well as label.
mIconCache.getTitleAndIcon(si,
si.promisedIntent, user,
si.shouldUseLowResIcon());
} else {
// Only update the icon for restored apps.
si.updateIcon(mIconCache);
}
updates.add(si);
}
}
}
if (!updates.isEmpty()) {
// Push changes to the callback.
Runnable r = new Runnable() {
public void run() {
Callbacks callbacks = getCallback();
if (callbacks != null) {
callbacks.bindShortcutsChanged(updates,
new ArrayList<ShortcutInfo>(), user);
}
}
};
mHandler.post(r);
}
}
}
};
runOnWorkerThread(updateRunnable);
}
public void addAppsToAllApps(final Context ctx, final ArrayList<AppInfo> allAppsApps) {
final Callbacks callbacks = getCallback();
if (allAppsApps == null) {
throw new RuntimeException("allAppsApps must not be null");
}
if (allAppsApps.isEmpty()) {
return;
}
// Process the newly added applications and add them to the database first
Runnable r = new Runnable() {
public void run() {
runOnMainThread(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.bindAppsAdded(null, null, null, allAppsApps);
}
}
});
}
};
runOnWorkerThread(r);
}
private static boolean findNextAvailableIconSpaceInScreen(ArrayList<ItemInfo> occupiedPos,
int[] xy, int spanX, int spanY) {
LauncherAppState app = LauncherAppState.getInstance();
InvariantDeviceProfile profile = app.getInvariantDeviceProfile();
final int xCount = (int) profile.numColumns;
final int yCount = (int) profile.numRows;
boolean[][] occupied = new boolean[xCount][yCount];
if (occupiedPos != null) {
for (ItemInfo r : occupiedPos) {
int right = r.cellX + r.spanX;
int bottom = r.cellY + r.spanY;
for (int x = r.cellX; 0 <= x && x < right && x < xCount; x++) {
for (int y = r.cellY; 0 <= y && y < bottom && y < yCount; y++) {
occupied[x][y] = true;
}
}
}
}
return Utilities.findVacantCell(xy, spanX, spanY, xCount, yCount, occupied);
}
/**
* Find a position on the screen for the given size or adds a new screen.
* @return screenId and the coordinates for the item.
*/
@Thunk Pair<Long, int[]> findSpaceForItem(
Context context,
ArrayList<Long> workspaceScreens,
ArrayList<Long> addedWorkspaceScreensFinal,
int spanX, int spanY) {
// Preferred screen is the next one after the default.
long preferredScreenId = SettingsProvider.getLongCustomDefault(context,
SettingsProvider.SETTINGS_UI_HOMESCREEN_DEFAULT_SCREEN_ID,
R.integer.preferences_interface_homescreen_id_default);
int preferredScreenIndex = 0;
for (int i = 0; i < workspaceScreens.size(); i++) {
if (workspaceScreens.get(i) == preferredScreenId) {
preferredScreenIndex = i + 1;
break;
}
}
return findSpaceForItem(context, workspaceScreens, addedWorkspaceScreensFinal,
spanX, spanY, preferredScreenIndex);
}
/**
* Find a position on the screen for the given size or adds a new screen. Checks
* preferredScreen first, and if no space is found then starts searching from the left.
* @return screenId and the coordinates for the item.
*/
@Thunk Pair<Long, int[]> findSpaceForItem(
Context context,
ArrayList<Long> workspaceScreens,
ArrayList<Long> addedWorkspaceScreensFinal,
int spanX, int spanY, int preferredScreenIndex) {
LongSparseArray<ArrayList<ItemInfo>> screenItems = new LongSparseArray<>();
// Use sBgItemsIdMap as all the items are already loaded.
assertWorkspaceLoaded();
synchronized (sBgLock) {
for (ItemInfo info : sBgItemsIdMap) {
if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) {
ArrayList<ItemInfo> items = screenItems.get(info.screenId);
if (items == null) {
items = new ArrayList<>();
screenItems.put(info.screenId, items);
}
items.add(info);
}
}
}
// If we have a zero-id screen then we skip over it.
boolean hasZero = false;
if (!workspaceScreens.isEmpty() && workspaceScreens.get(0) == 0) {
hasZero = true;
}
// Find appropriate space for the item.
long screenId = 0;
int[] cordinates = new int[2];
boolean found = false;
int screenCount = workspaceScreens.size();
// First check the preferred screen.
if (preferredScreenIndex < screenCount) {
screenId = workspaceScreens.get(preferredScreenIndex);
found = findNextAvailableIconSpaceInScreen(
screenItems.get(screenId), cordinates, spanX, spanY);
}
if (!found) {
// Search on any of the screens starting from the first screen.
int firstScreen = hasZero ? 1 : 0;
for (int screen = firstScreen; screen < screenCount; screen++) {
screenId = workspaceScreens.get(screen);
if (findNextAvailableIconSpaceInScreen(
screenItems.get(screenId), cordinates, spanX, spanY)) {
// We found a space for it
found = true;
break;
}
}
}
if (!found) {
// Still no position found. Add a new screen to the end.
screenId = LauncherAppState.getLauncherProvider().generateNewScreenId();
// Save the screen id for binding in the workspace
workspaceScreens.add(screenId);
addedWorkspaceScreensFinal.add(screenId);
// If we still can't find an empty space, then God help us all!!!
if (!findNextAvailableIconSpaceInScreen(
screenItems.get(screenId), cordinates, spanX, spanY)) {
throw new RuntimeException("Can't find space to add the item");
}
}
return Pair.create(screenId, cordinates);
}
/**
* Adds the provided items to the workspace.
*/
public void addAndBindAddedWorkspaceItems(final Context context,
final ArrayList<? extends ItemInfo> workspaceApps) {
final Callbacks callbacks = getCallback();
if (workspaceApps.isEmpty()) {
return;
}
// Process the newly added applications and add them to the database first
Runnable r = new Runnable() {
public void run() {
final ArrayList<ItemInfo> addedShortcutsFinal = new ArrayList<ItemInfo>();
final ArrayList<Long> addedWorkspaceScreensFinal = new ArrayList<Long>();
// Get the list of workspace screens. We need to append to this list and
// can not use sBgWorkspaceScreens because loadWorkspace() may not have been
// called.
ArrayList<Long> workspaceScreens = loadWorkspaceScreensDb(context);
synchronized(sBgLock) {
for (ItemInfo item : workspaceApps) {
if (item instanceof ShortcutInfo) {
// Short-circuit this logic if the icon exists somewhere on the workspace
if (shortcutExists(context, item.getIntent(), item.user)) {
continue;
}
}
// Find appropriate space for the item.
Pair<Long, int[]> coords = findSpaceForItem(context,
workspaceScreens, addedWorkspaceScreensFinal,
1, 1);
long screenId = coords.first;
int[] cordinates = coords.second;
ItemInfo itemInfo;
if (item instanceof ShortcutInfo || item instanceof FolderInfo) {
itemInfo = item;
} else if (item instanceof AppInfo) {
itemInfo = ((AppInfo) item).makeShortcut();
} else {
throw new RuntimeException("Unexpected info type");
}
// Add the shortcut to the db
addItemToDatabase(context, itemInfo,
LauncherSettings.Favorites.CONTAINER_DESKTOP,
screenId, cordinates[0], cordinates[1]);
// Save the ShortcutInfo for binding in the workspace
addedShortcutsFinal.add(itemInfo);
}
}
// Update the workspace screens
updateWorkspaceScreenOrder(context, workspaceScreens);
if (!addedShortcutsFinal.isEmpty()) {
runOnMainThread(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
final ArrayList<ItemInfo> addAnimated = new ArrayList<ItemInfo>();
final ArrayList<ItemInfo> addNotAnimated = new ArrayList<ItemInfo>();
if (!addedShortcutsFinal.isEmpty()) {
ItemInfo info = addedShortcutsFinal.get(addedShortcutsFinal.size() - 1);
long lastScreenId = info.screenId;
for (ItemInfo i : addedShortcutsFinal) {
if (i.screenId == lastScreenId) {
addAnimated.add(i);
} else {
addNotAnimated.add(i);
}
}
}
callbacks.bindAppsAdded(addedWorkspaceScreensFinal,
addNotAnimated, addAnimated, null);
}
}
});
}
}
};
runOnWorkerThread(r);
}
private void unbindItemInfosAndClearQueuedBindRunnables() {
if (sWorkerThread.getThreadId() == Process.myTid()) {
throw new RuntimeException("Expected unbindLauncherItemInfos() to be called from the " +
"main thread");
}
// Clear any deferred bind runnables
synchronized (mDeferredBindRunnables) {
mDeferredBindRunnables.clear();
}
// Remove any queued UI runnables
mHandler.cancelAll();
// Unbind all the workspace items
unbindWorkspaceItemsOnMainThread();
}
/** Unbinds all the sBgWorkspaceItems and sBgAppWidgets on the main thread */
void unbindWorkspaceItemsOnMainThread() {
// Ensure that we don't use the same workspace items data structure on the main thread
// by making a copy of workspace items first.
final ArrayList<ItemInfo> tmpItems = new ArrayList<ItemInfo>();
synchronized (sBgLock) {
tmpItems.addAll(sBgWorkspaceItems);
tmpItems.addAll(sBgAppWidgets);
}
Runnable r = new Runnable() {
@Override
public void run() {
for (ItemInfo item : tmpItems) {
item.unbind();
}
}
};
runOnMainThread(r);
}
/**
* Adds an item to the DB if it was not created previously, or move it to a new
* <container, screen, cellX, cellY>
*/
static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container,
long screenId, int cellX, int cellY) {
if (item.container == ItemInfo.NO_ID) {
// From all apps
addItemToDatabase(context, item, container, screenId, cellX, cellY);
} else {
// From somewhere else
moveItemInDatabase(context, item, container, screenId, cellX, cellY);
}
}
static void checkItemInfoLocked(
final long itemId, final ItemInfo item, StackTraceElement[] stackTrace) {
ItemInfo modelItem = sBgItemsIdMap.get(itemId);
if (modelItem != null && item != modelItem) {
// check all the data is consistent
if (modelItem instanceof ShortcutInfo && item instanceof ShortcutInfo) {
ShortcutInfo modelShortcut = (ShortcutInfo) modelItem;
ShortcutInfo shortcut = (ShortcutInfo) item;
if (modelShortcut.title.toString().equals(shortcut.title.toString()) &&
modelShortcut.intent.filterEquals(shortcut.intent) &&
modelShortcut.id == shortcut.id &&
modelShortcut.itemType == shortcut.itemType &&
modelShortcut.container == shortcut.container &&
modelShortcut.screenId == shortcut.screenId &&
modelShortcut.cellX == shortcut.cellX &&
modelShortcut.cellY == shortcut.cellY &&
modelShortcut.spanX == shortcut.spanX &&
modelShortcut.spanY == shortcut.spanY &&
((modelShortcut.dropPos == null && shortcut.dropPos == null) ||
(modelShortcut.dropPos != null &&
shortcut.dropPos != null &&
modelShortcut.dropPos[0] == shortcut.dropPos[0] &&
modelShortcut.dropPos[1] == shortcut.dropPos[1]))) {
// For all intents and purposes, this is the same object
return;
}
// the modelItem needs to match up perfectly with item if our model is
// to be consistent with the database-- for now, just require
// modelItem == item or the equality check above
String msg = "item: " + ((item != null) ? item.toString() : "null") +
"modelItem: " +
((modelItem != null) ? modelItem.toString() : "null") +
"Error: ItemInfo passed to checkItemInfo doesn't match original";
RuntimeException e = new RuntimeException(msg);
if (stackTrace != null) {
e.setStackTrace(stackTrace);
}
throw e;
}
}
}
static void checkItemInfo(final ItemInfo item) {
final StackTraceElement[] stackTrace = new Throwable().getStackTrace();
final long itemId = item.id;
Runnable r = new Runnable() {
public void run() {
synchronized (sBgLock) {
checkItemInfoLocked(itemId, item, stackTrace);
}
}
};
runOnWorkerThread(r);
}
static void updateItemInDatabaseHelper(Context context, final ContentValues values,
final ItemInfo item, final String callingFunction) {
final long itemId = item.id;
final Uri uri = LauncherSettings.Favorites.getContentUri(itemId);
final ContentResolver cr = context.getContentResolver();
final StackTraceElement[] stackTrace = new Throwable().getStackTrace();
Runnable r = new Runnable() {
public void run() {
cr.update(uri, values, null, null);
updateItemArrays(item, itemId, stackTrace);
}
};
runOnWorkerThread(r);
}
static void updateItemsInDatabaseHelper(Context context, final ArrayList<ContentValues> valuesList,
final ArrayList<ItemInfo> items, final String callingFunction) {
final ContentResolver cr = context.getContentResolver();
final StackTraceElement[] stackTrace = new Throwable().getStackTrace();
Runnable r = new Runnable() {
public void run() {
ArrayList<ContentProviderOperation> ops =
new ArrayList<ContentProviderOperation>();
int count = items.size();
for (int i = 0; i < count; i++) {
ItemInfo item = items.get(i);
final long itemId = item.id;
final Uri uri = LauncherSettings.Favorites.getContentUri(itemId);
ContentValues values = valuesList.get(i);
ops.add(ContentProviderOperation.newUpdate(uri).withValues(values).build());
updateItemArrays(item, itemId, stackTrace);
}
try {
cr.applyBatch(LauncherProvider.AUTHORITY, ops);
} catch (Exception e) {
e.printStackTrace();
}
}
};
runOnWorkerThread(r);
}
static void updateItemArrays(ItemInfo item, long itemId, StackTraceElement[] stackTrace) {
// Lock on mBgLock *after* the db operation
synchronized (sBgLock) {
checkItemInfoLocked(itemId, item, stackTrace);
if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP &&
item.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
// Item is in a folder, make sure this folder exists
if (!sBgFolders.containsKey(item.container)) {
// An items container is being set to a that of an item which is not in
// the list of Folders.
String msg = "item: " + item + " container being set to: " +
item.container + ", not in the list of folders";
Log.e(TAG, msg);
}
}
// Items are added/removed from the corresponding FolderInfo elsewhere, such
// as in Workspace.onDrop. Here, we just add/remove them from the list of items
// that are on the desktop, as appropriate
ItemInfo modelItem = sBgItemsIdMap.get(itemId);
if (modelItem != null &&
(modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP ||
modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT)) {
switch (modelItem.itemType) {
case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
if (!sBgWorkspaceItems.contains(modelItem)) {
sBgWorkspaceItems.add(modelItem);
}
break;
default:
break;
}
} else {
sBgWorkspaceItems.remove(modelItem);
}
}
}
public void flushWorkerThread() {
mFlushingWorkerThread = true;
Runnable waiter = new Runnable() {
public void run() {
synchronized (this) {
notifyAll();
mFlushingWorkerThread = false;
}
}
};
synchronized(waiter) {
runOnWorkerThread(waiter);
if (mLoaderTask != null) {
synchronized(mLoaderTask) {
mLoaderTask.notify();
}
}
boolean success = false;
while (!success) {
try {
waiter.wait();
success = true;
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
/**
* Move an item in the DB to a new <container, screen, cellX, cellY>
*/
public static void moveItemInDatabase(Context context, final ItemInfo item, final long container,
final long screenId, final int cellX, final int cellY) {
item.container = container;
item.cellX = cellX;
item.cellY = cellY;
// We store hotseat items in canonical form which is this orientation invariant position
// in the hotseat
if (context instanceof Launcher && screenId < 0 &&
container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY);
} else {
item.screenId = screenId;
}
final ContentValues values = new ContentValues();
values.put(LauncherSettings.Favorites.CONTAINER, item.container);
values.put(LauncherSettings.Favorites.CELLX, item.cellX);
values.put(LauncherSettings.Favorites.CELLY, item.cellY);
values.put(LauncherSettings.Favorites.RANK, item.rank);
values.put(LauncherSettings.Favorites.SCREEN, item.screenId);
updateItemInDatabaseHelper(context, values, item, "moveItemInDatabase");
}
/**
* Move items in the DB to a new <container, screen, cellX, cellY>. We assume that the
* cellX, cellY have already been updated on the ItemInfos.
*/
static void moveItemsInDatabase(Context context, final ArrayList<ItemInfo> items,
final long container, final int screen) {
ArrayList<ContentValues> contentValues = new ArrayList<ContentValues>();
int count = items.size();
for (int i = 0; i < count; i++) {
ItemInfo item = items.get(i);
item.container = container;
// We store hotseat items in canonical form which is this orientation invariant position
// in the hotseat
if (context instanceof Launcher && screen < 0 &&
container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(item.cellX,
item.cellY);
} else {
item.screenId = screen;
}
final ContentValues values = new ContentValues();
values.put(LauncherSettings.Favorites.CONTAINER, item.container);
values.put(LauncherSettings.Favorites.CELLX, item.cellX);
values.put(LauncherSettings.Favorites.CELLY, item.cellY);
values.put(LauncherSettings.Favorites.RANK, item.rank);
values.put(LauncherSettings.Favorites.SCREEN, item.screenId);
contentValues.add(values);
}
updateItemsInDatabaseHelper(context, contentValues, items, "moveItemInDatabase");
}
/**
* Move and/or resize item in the DB to a new <container, screen, cellX, cellY, spanX, spanY>
*/
static void modifyItemInDatabase(Context context, final ItemInfo item, final long container,
final long screenId, final int cellX, final int cellY, final int spanX, final int spanY) {
item.container = container;
item.cellX = cellX;
item.cellY = cellY;
item.spanX = spanX;
item.spanY = spanY;
// We store hotseat items in canonical form which is this orientation invariant position
// in the hotseat
if (context instanceof Launcher && screenId < 0 &&
container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY);
} else {
item.screenId = screenId;
}
final ContentValues values = new ContentValues();
values.put(LauncherSettings.Favorites.CONTAINER, item.container);
values.put(LauncherSettings.Favorites.CELLX, item.cellX);
values.put(LauncherSettings.Favorites.CELLY, item.cellY);
values.put(LauncherSettings.Favorites.RANK, item.rank);
values.put(LauncherSettings.Favorites.SPANX, item.spanX);
values.put(LauncherSettings.Favorites.SPANY, item.spanY);
values.put(LauncherSettings.Favorites.SCREEN, item.screenId);
updateItemInDatabaseHelper(context, values, item, "modifyItemInDatabase");
}
/**
* Update an item to the database in a specified container.
*/
public static void updateItemInDatabase(Context context, final ItemInfo item) {
final ContentValues values = new ContentValues();
item.onAddToDatabase(context, values);
updateItemInDatabaseHelper(context, values, item, "updateItemInDatabase");
}
private void assertWorkspaceLoaded() {
if (LauncherAppState.isDogfoodBuild()) {
synchronized (mLock) {
if (!mHasLoaderCompletedOnce ||
(mLoaderTask != null && mLoaderTask.mIsLoadingAndBindingWorkspace)) {
throw new RuntimeException("Trying to add shortcut while loader is running");
}
}
}
}
/**
* Returns true if the shortcuts already exists on the workspace. This must be called after
* the workspace has been loaded. We identify a shortcut by its intent.
*/
@Thunk boolean shortcutExists(Context context, Intent intent, UserHandleCompat user) {
assertWorkspaceLoaded();
final String intentWithPkg, intentWithoutPkg;
if (intent.getComponent() != null) {
// If component is not null, an intent with null package will produce
// the same result and should also be a match.
String packageName = intent.getComponent().getPackageName();
if (intent.getPackage() != null) {
intentWithPkg = intent.toUri(0);
intentWithoutPkg = new Intent(intent).setPackage(null).toUri(0);
} else {
intentWithPkg = new Intent(intent).setPackage(packageName).toUri(0);
intentWithoutPkg = intent.toUri(0);
}
} else {
intentWithPkg = intent.toUri(0);
intentWithoutPkg = intent.toUri(0);
}
synchronized (sBgLock) {
for (ItemInfo item : sBgItemsIdMap) {
if (item instanceof ShortcutInfo) {
ShortcutInfo info = (ShortcutInfo) item;
Intent targetIntent = info.promisedIntent == null
? info.intent : info.promisedIntent;
if (targetIntent != null && info.user.equals(user)) {
String s = targetIntent.toUri(0);
if (intentWithPkg.equals(s) || intentWithoutPkg.equals(s)) {
return true;
}
}
}
}
}
return false;
}
/**
* Find a folder in the db, creating the FolderInfo if necessary, and adding it to folderList.
*/
FolderInfo getFolderById(Context context, LongArrayMap<FolderInfo> folderList, long id) {
final ContentResolver cr = context.getContentResolver();
Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, null,
"_id=? and (itemType=? or itemType=?)",
new String[] { String.valueOf(id),
String.valueOf(LauncherSettings.Favorites.ITEM_TYPE_FOLDER)}, null);
try {
if (c.moveToFirst()) {
final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE);
final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE);
final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER);
final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN);
final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX);
final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY);
final int optionsIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.OPTIONS);
final int hiddenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.HIDDEN);
final int subType = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SUBTYPE);
FolderInfo folderInfo = null;
switch (c.getInt(itemTypeIndex)) {
case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
folderInfo = findOrMakeFolder(folderList, id);
break;
}
// Do not trim the folder label, as is was set by the user.
folderInfo.title = c.getString(titleIndex);
folderInfo.id = id;
folderInfo.container = c.getInt(containerIndex);
folderInfo.screenId = c.getInt(screenIndex);
folderInfo.cellX = c.getInt(cellXIndex);
folderInfo.cellY = c.getInt(cellYIndex);
folderInfo.options = c.getInt(optionsIndex);
folderInfo.hidden = c.getInt(hiddenIndex) > 0;
folderInfo.subType = subType;
return folderInfo;
}
} finally {
c.close();
}
return null;
}
/**
* Saves the total widget count to a shared preference
*
* @param context {@link Context}
*/
/* package */ static void saveWidgetCount(Context context) {
int widgetCount = LauncherModel.sBgAppWidgets.size();
SharedPreferences prefs = context.getSharedPreferences(LauncherAppState
.getSharedPreferencesKey(), Context.MODE_PRIVATE);
prefs.edit().putInt(AggregationIntentService.PREF_KEY_WIDGET_COUNT, widgetCount).apply();
}
/**
* Add an item to the database in a specified container. Sets the container, screen, cellX and
* cellY fields of the item. Also assigns an ID to the item.
*/
public static void addItemToDatabase(final Context context, final ItemInfo item, final long container,
final long screenId, final int cellX, final int cellY) {
item.container = container;
item.cellX = cellX;
item.cellY = cellY;
// We store hotseat items in canonical form which is this orientation invariant position
// in the hotseat
if (context instanceof Launcher && screenId < 0 &&
container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY);
} else {
item.screenId = screenId;
}
final ContentValues values = new ContentValues();
final ContentResolver cr = context.getContentResolver();
item.onAddToDatabase(context, values);
item.id = LauncherAppState.getLauncherProvider().generateNewItemId();
values.put(LauncherSettings.Favorites._ID, item.id);
final StackTraceElement[] stackTrace = new Throwable().getStackTrace();
Runnable r = new Runnable() {
public void run() {
cr.insert(LauncherSettings.Favorites.CONTENT_URI, values);
// Lock on mBgLock *after* the db operation
synchronized (sBgLock) {
checkItemInfoLocked(item.id, item, stackTrace);
sBgItemsIdMap.put(item.id, item);
switch (item.itemType) {
case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
sBgFolders.put(item.id, (FolderInfo) item);
// Fall through
case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP ||
item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
sBgWorkspaceItems.add(item);
} else {
if (!sBgFolders.containsKey(item.container)) {
// Adding an item to a folder that doesn't exist.
String msg = "adding item: " + item + " to a folder that " +
" doesn't exist";
Log.e(TAG, msg);
}
}
break;
case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
sBgAppWidgets.add((LauncherAppWidgetInfo) item);
saveWidgetCount(context);
break;
}
}
}
};
runOnWorkerThread(r);
}
/**
* Creates a new unique child id, for a given cell span across all layouts.
*/
static int getCellLayoutChildId(
long container, long screen, int localCellX, int localCellY, int spanX, int spanY) {
return (((int) container & 0xFF) << 24)
| ((int) screen & 0xFF) << 16 | (localCellX & 0xFF) << 8 | (localCellY & 0xFF);
}
private static ArrayList<ItemInfo> getItemsByPackageName(
final String pn, final UserHandleCompat user) {
ItemInfoFilter filter = new ItemInfoFilter() {
@Override
public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) {
return cn.getPackageName().equals(pn) && info.user.equals(user);
}
};
return filterItemInfos(sBgItemsIdMap, filter);
}
/**
* Removes all the items from the database corresponding to the specified package.
*/
static void deletePackageFromDatabase(Context context, final String pn,
final UserHandleCompat user) {
deleteItemsFromDatabase(context, getItemsByPackageName(pn, user));
}
/**
* Removes the specified item from the database
* @param context
* @param item
*/
public static void deleteItemFromDatabase(Context context, final ItemInfo item) {
ArrayList<ItemInfo> items = new ArrayList<ItemInfo>();
items.add(item);
deleteItemsFromDatabase(context, items);
}
/**
* Removes the specified items from the database
* @param context
* @param items
*/
static void deleteItemsFromDatabase(final Context context, final ArrayList<? extends ItemInfo> items) {
final ContentResolver cr = context.getContentResolver();
Runnable r = new Runnable() {
public void run() {
for (ItemInfo item : items) {
final Uri uri = LauncherSettings.Favorites.getContentUri(item.id);
cr.delete(uri, null, null);
// Lock on mBgLock *after* the db operation
synchronized (sBgLock) {
switch (item.itemType) {
case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
sBgFolders.remove(item.id);
for (ItemInfo info: sBgItemsIdMap) {
if (info.container == item.id) {
// We are deleting a folder which still contains items that
// think they are contained by that folder.
String msg = "deleting a folder (" + item + ") which still " +
"contains items (" + info + ")";
Log.e(TAG, msg);
}
}
sBgWorkspaceItems.remove(item);
break;
case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
sBgWorkspaceItems.remove(item);
break;
case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
sBgAppWidgets.remove((LauncherAppWidgetInfo) item);
saveWidgetCount(context);
break;
}
sBgItemsIdMap.remove(item.id);
}
}
}
};
runOnWorkerThread(r);
}
/**
* Saves the count of workspace pages
*
* @param context {@link Context}
*/
/* package */ static void savePageCount(Context context) {
int pageCount = LauncherModel.sBgWorkspaceScreens.size();
SharedPreferences prefs = context.getSharedPreferences(LauncherAppState
.getSharedPreferencesKey(), Context.MODE_PRIVATE);
prefs.edit().putInt(AggregationIntentService.PREF_KEY_PAGE_COUNT, pageCount).apply();
}
/**
* Update the order of the workspace screens in the database. The array list contains
* a list of screen ids in the order that they should appear.
*/
public void updateWorkspaceScreenOrder(final Context context, final ArrayList<Long> screens) {
final ArrayList<Long> screensCopy = new ArrayList<Long>(screens);
final ContentResolver cr = context.getContentResolver();
final Uri uri = LauncherSettings.WorkspaceScreens.CONTENT_URI;
// Remove any negative screen ids -- these aren't persisted
Iterator<Long> iter = screensCopy.iterator();
while (iter.hasNext()) {
long id = iter.next();
if (id < 0) {
iter.remove();
}
}
Runnable r = new Runnable() {
@Override
public void run() {
ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>();
// Clear the table
ops.add(ContentProviderOperation.newDelete(uri).build());
int count = screensCopy.size();
for (int i = 0; i < count; i++) {
ContentValues v = new ContentValues();
long screenId = screensCopy.get(i);
v.put(LauncherSettings.WorkspaceScreens._ID, screenId);
v.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i);
ops.add(ContentProviderOperation.newInsert(uri).withValues(v).build());
}
try {
cr.applyBatch(LauncherProvider.AUTHORITY, ops);
} catch (Exception ex) {
throw new RuntimeException(ex);
}
synchronized (sBgLock) {
sBgWorkspaceScreens.clear();
sBgWorkspaceScreens.addAll(screensCopy);
savePageCount(context);
}
}
};
runOnWorkerThread(r);
}
/**
* Remove the contents of the specified folder from the database
*/
public static void deleteFolderContentsFromDatabase(Context context, final FolderInfo info) {
final ContentResolver cr = context.getContentResolver();
Runnable r = new Runnable() {
public void run() {
cr.delete(LauncherSettings.Favorites.getContentUri(info.id), null, null);
// Lock on mBgLock *after* the db operation
synchronized (sBgLock) {
sBgItemsIdMap.remove(info.id);
sBgFolders.remove(info.id);
sBgWorkspaceItems.remove(info);
}
cr.delete(LauncherSettings.Favorites.CONTENT_URI,
LauncherSettings.Favorites.CONTAINER + "=" + info.id, null);
// Lock on mBgLock *after* the db operation
synchronized (sBgLock) {
for (ItemInfo childInfo : info.contents) {
sBgItemsIdMap.remove(childInfo.id);
}
}
}
};
runOnWorkerThread(r);
}
/**
* Set this as the current Launcher activity object for the loader.
*/
public void initialize(Callbacks callbacks) {
synchronized (mLock) {
// Disconnect any of the callbacks and drawables associated with ItemInfos on the
// workspace to prevent leaking Launcher activities on orientation change.
unbindItemInfosAndClearQueuedBindRunnables();
mCallbacks = new WeakReference<Callbacks>(callbacks);
}
}
@Override
public void onPackageChanged(String packageName, UserHandleCompat user) {
int op = PackageUpdatedTask.OP_UPDATE;
enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName },
user));
}
@Override
public void onPackageRemoved(String packageName, UserHandleCompat user) {
int op = PackageUpdatedTask.OP_REMOVE;
enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName },
user));
}
@Override
public void onPackageAdded(String packageName, UserHandleCompat user) {
int op = PackageUpdatedTask.OP_ADD;
enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName },
user));
}
@Override
public void onPackagesAvailable(String[] packageNames, UserHandleCompat user,
boolean replacing) {
if (!replacing) {
enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_ADD, packageNames,
user));
if (mAppsCanBeOnRemoveableStorage) {
// Only rebind if we support removable storage. It catches the
// case where
// apps on the external sd card need to be reloaded
startLoaderFromBackground();
}
} else {
// If we are replacing then just update the packages in the list
enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UPDATE,
packageNames, user));
}
}
@Override
public void onPackagesUnavailable(String[] packageNames, UserHandleCompat user,
boolean replacing) {
if (!replacing) {
enqueuePackageUpdated(new PackageUpdatedTask(
PackageUpdatedTask.OP_UNAVAILABLE, packageNames,
user));
}
}
/**
* Call from the handler for ACTION_PACKAGE_ADDED, ACTION_PACKAGE_REMOVED and
* ACTION_PACKAGE_CHANGED.
*/
@Override
public void onReceive(Context context, Intent intent) {
if (DEBUG_RECEIVER) Log.d(TAG, "onReceive intent=" + intent);
final String action = intent.getAction();
if (Intent.ACTION_LOCALE_CHANGED.equals(action)) {
// If we have changed locale we need to clear out the labels in all apps/workspace.
forceReload();
} else if (SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED.equals(action)) {
Callbacks callbacks = getCallback();
if (callbacks != null) {
callbacks.bindSearchProviderChanged();
}
} else if (LauncherAppsCompat.ACTION_MANAGED_PROFILE_ADDED.equals(action)
|| LauncherAppsCompat.ACTION_MANAGED_PROFILE_REMOVED.equals(action)) {
UserManagerCompat.getInstance(context).enableAndResetCache();
forceReload();
}
}
void forceReload() {
resetLoadedState(true, true);
// Do this here because if the launcher activity is running it will be restarted.
// If it's not running startLoaderFromBackground will merely tell it that it needs
// to reload.
startLoaderFromBackground();
}
public void resetLoadedState(boolean resetAllAppsLoaded, boolean resetWorkspaceLoaded) {
synchronized (mLock) {
// Stop any existing loaders first, so they don't set mAllAppsLoaded or
// mWorkspaceLoaded to true later
stopLoaderLocked();
if (resetAllAppsLoaded) mAllAppsLoaded = false;
if (resetWorkspaceLoaded) mWorkspaceLoaded = false;
}
}
/**
* When the launcher is in the background, it's possible for it to miss paired
* configuration changes. So whenever we trigger the loader from the background
* tell the launcher that it needs to re-run the loader when it comes back instead
* of doing it now.
*/
public void startLoaderFromBackground() {
boolean runLoader = false;
Callbacks callbacks = getCallback();
if (callbacks != null) {
// Only actually run the loader if they're not paused.
if (!callbacks.setLoadOnResume()) {
runLoader = true;
}
}
if (runLoader) {
startLoader(PagedView.INVALID_RESTORE_PAGE);
}
}
/**
* If there is already a loader task running, tell it to stop.
*/
private void stopLoaderLocked() {
LoaderTask oldTask = mLoaderTask;
if (oldTask != null) {
oldTask.stopLocked();
}
}
public boolean isCurrentCallbacks(Callbacks callbacks) {
return (mCallbacks != null && mCallbacks.get() == callbacks);
}
public void startLoader(int synchronousBindPage) {
startLoader(synchronousBindPage, LOADER_FLAG_NONE);
}
public void startLoader(int synchronousBindPage, int loadFlags) {
// Enable queue before starting loader. It will get disabled in Launcher#finishBindingItems
InstallShortcutReceiver.enableInstallQueue();
synchronized (mLock) {
// Clear any deferred bind-runnables from the synchronized load process
// We must do this before any loading/binding is scheduled below.
synchronized (mDeferredBindRunnables) {
mDeferredBindRunnables.clear();
}
// Don't bother to start the thread if we know it's not going to do anything
if (mCallbacks != null && mCallbacks.get() != null) {
// If there is already one running, tell it to stop.
stopLoaderLocked();
mLoaderTask = new LoaderTask(mApp.getContext(), loadFlags);
if (synchronousBindPage != PagedView.INVALID_RESTORE_PAGE
&& mAllAppsLoaded && mWorkspaceLoaded && !mIsLoaderTaskRunning) {
mLoaderTask.runBindSynchronousPage(synchronousBindPage);
} else {
sWorkerThread.setPriority(Thread.NORM_PRIORITY);
sWorker.post(mLoaderTask);
}
}
}
}
void bindRemainingSynchronousPages() {
// Post the remaining side pages to be loaded
if (!mDeferredBindRunnables.isEmpty()) {
Runnable[] deferredBindRunnables = null;
synchronized (mDeferredBindRunnables) {
deferredBindRunnables = mDeferredBindRunnables.toArray(
new Runnable[mDeferredBindRunnables.size()]);
mDeferredBindRunnables.clear();
}
for (final Runnable r : deferredBindRunnables) {
mHandler.post(r);
}
}
}
public void stopLoader() {
synchronized (mLock) {
if (mLoaderTask != null) {
mLoaderTask.stopLocked();
}
}
}
/**
* Loads the workspace screen ids in an ordered list.
*/
public static ArrayList<Long> loadWorkspaceScreensDb(Context context) {
final ContentResolver contentResolver = context.getContentResolver();
final Uri screensUri = LauncherSettings.WorkspaceScreens.CONTENT_URI;
// Get screens ordered by rank.
final Cursor sc = contentResolver.query(screensUri, null, null, null,
LauncherSettings.WorkspaceScreens.SCREEN_RANK);
ArrayList<Long> screenIds = new ArrayList<Long>();
try {
final int idIndex = sc.getColumnIndexOrThrow(LauncherSettings.WorkspaceScreens._ID);
while (sc.moveToNext()) {
try {
screenIds.add(sc.getLong(idIndex));
} catch (Exception e) {
Launcher.addDumpLog(TAG, "Desktop items loading interrupted"
+ " - invalid screens: " + e, true);
}
}
} finally {
sc.close();
}
return screenIds;
}
public boolean isAllAppsLoaded() {
return mAllAppsLoaded;
}
/**
* Runnable for the thread that loads the contents of the launcher:
* - workspace icons
* - widgets
* - all apps icons
*/
private class LoaderTask implements Runnable {
private Context mContext;
@Thunk boolean mIsLoadingAndBindingWorkspace;
private boolean mStopped;
@Thunk boolean mLoadAndBindStepFinished;
private int mFlags;
LoaderTask(Context context, int flags) {
mContext = context;
mFlags = flags;
}
private void loadAndBindWorkspace() {
mIsLoadingAndBindingWorkspace = true;
// Load the workspace
if (DEBUG_LOADERS) {
Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded);
}
if (!mWorkspaceLoaded) {
loadWorkspace();
synchronized (LoaderTask.this) {
if (mStopped) {
return;
}
mWorkspaceLoaded = true;
}
}
// Bind the workspace
bindWorkspace(-1);
}
private void waitForIdle() {
// Wait until the either we're stopped or the other threads are done.
// This way we don't start loading all apps until the workspace has settled
// down.
synchronized (LoaderTask.this) {
final long workspaceWaitTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0;
mHandler.postIdle(new Runnable() {
public void run() {
synchronized (LoaderTask.this) {
mLoadAndBindStepFinished = true;
if (DEBUG_LOADERS) {
Log.d(TAG, "done with previous binding step");
}
LoaderTask.this.notify();
}
}
});
while (!mStopped && !mLoadAndBindStepFinished) {
try {
// Just in case mFlushingWorkerThread changes but we aren't woken up,
// wait no longer than 1sec at a time
this.wait(1000);
} catch (InterruptedException ex) {
// Ignore
}
}
if (DEBUG_LOADERS) {
Log.d(TAG, "waited "
+ (SystemClock.uptimeMillis()-workspaceWaitTime)
+ "ms for previous step to finish binding");
}
}
}
void runBindSynchronousPage(int synchronousBindPage) {
if (synchronousBindPage == PagedView.INVALID_RESTORE_PAGE) {
// Ensure that we have a valid page index to load synchronously
throw new RuntimeException("Should not call runBindSynchronousPage() without " +
"valid page index");
}
if (!mAllAppsLoaded || !mWorkspaceLoaded) {
// Ensure that we don't try and bind a specified page when the pages have not been
// loaded already (we should load everything asynchronously in that case)
throw new RuntimeException("Expecting AllApps and Workspace to be loaded");
}
synchronized (mLock) {
if (mIsLoaderTaskRunning) {
// Ensure that we are never running the background loading at this point since
// we also touch the background collections
throw new RuntimeException("Error! Background loading is already running");
}
}
// XXX: Throw an exception if we are already loading (since we touch the worker thread
// data structures, we can't allow any other thread to touch that data, but because
// this call is synchronous, we can get away with not locking).
// The LauncherModel is static in the LauncherAppState and mHandler may have queued
// operations from the previous activity. We need to ensure that all queued operations
// are executed before any synchronous binding work is done.
mHandler.flush();
// Divide the set of loaded items into those that we are binding synchronously, and
// everything else that is to be bound normally (asynchronously).
bindWorkspace(synchronousBindPage);
// XXX: For now, continue posting the binding of AllApps as there are other issues that
// arise from that.
onlyBindAllApps();
}
public void run() {
synchronized (mLock) {
if (mStopped) {
return;
}
mIsLoaderTaskRunning = true;
}
// Optimize for end-user experience: if the Launcher is up and // running with the
// All Apps interface in the foreground, load All Apps first. Otherwise, load the
// workspace first (default).
keep_running: {
if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace");
loadAndBindWorkspace();
if (mStopped) {
break keep_running;
}
waitForIdle();
// second step
if (DEBUG_LOADERS) Log.d(TAG, "step 2: loading all apps");
loadAndBindAllApps();
}
// Clear out this reference, otherwise we end up holding it until all of the
// callback runnables are done.
mContext = null;
synchronized (mLock) {
// If we are still the last one to be scheduled, remove ourselves.
if (mLoaderTask == this) {
mLoaderTask = null;
}
mIsLoaderTaskRunning = false;
mHasLoaderCompletedOnce = true;
}
}
public void stopLocked() {
synchronized (LoaderTask.this) {
mStopped = true;
this.notify();
}
}
/**
* Gets the callbacks object. If we've been stopped, or if the launcher object
* has somehow been garbage collected, return null instead. Pass in the Callbacks
* object that was around when the deferred message was scheduled, and if there's
* a new Callbacks object around then also return null. This will save us from
* calling onto it with data that will be ignored.
*/
Callbacks tryGetCallbacks(Callbacks oldCallbacks) {
synchronized (mLock) {
if (mStopped) {
return null;
}
if (mCallbacks == null) {
return null;
}
final Callbacks callbacks = mCallbacks.get();
if (callbacks != oldCallbacks) {
return null;
}
if (callbacks == null) {
Log.w(TAG, "no mCallbacks");
return null;
}
return callbacks;
}
}
// check & update map of what's occupied; used to discard overlapping/invalid items
private boolean checkItemPlacement(LongArrayMap<ItemInfo[][]> occupied, ItemInfo item,
ArrayList<Long> workspaceScreens, boolean shouldResizeAndUpdateDB) {
LauncherAppState app = LauncherAppState.getInstance();
InvariantDeviceProfile profile = app.getInvariantDeviceProfile();
final int countX = profile.numColumns;
final int countY = profile.numRows;
long containerIndex = item.screenId;
if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
// Return early if we detect that an item is under the hotseat button
if (mCallbacks == null ||
mCallbacks.get().isAllAppsButtonRank((int) item.screenId)) {
Log.e(TAG, "Error loading shortcut into hotseat " + item
+ " into position (" + item.screenId + ":" + item.cellX + ","
+ item.cellY + ") occupied by all apps");
return false;
}
final ItemInfo[][] hotseatItems =
occupied.get((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT);
if (item.screenId >= profile.numHotseatIcons) {
Log.e(TAG, "Error loading shortcut " + item
+ " into hotseat position " + item.screenId
+ ", position out of bounds: (0 to " + (profile.numHotseatIcons - 1)
+ ")");
return false;
}
if (hotseatItems != null) {
if (hotseatItems[(int) item.screenId][0] != null) {
Log.e(TAG, "Error loading shortcut into hotseat " + item
+ " into position (" + item.screenId + ":" + item.cellX + ","
+ item.cellY + ") occupied by "
+ occupied.get(LauncherSettings.Favorites.CONTAINER_HOTSEAT)
[(int) item.screenId][0]);
return false;
} else {
hotseatItems[(int) item.screenId][0] = item;
return true;
}
} else {
final ItemInfo[][] items = new ItemInfo[(int) profile.numHotseatIcons][1];
items[(int) item.screenId][0] = item;
occupied.put((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT, items);
return true;
}
} else if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) {
if (!workspaceScreens.contains((Long) item.screenId)) {
// The item has an invalid screen id.
return false;
}
} else {
// Skip further checking if it is not the hotseat or workspace container
return true;
}
// If the current item's position lies outside of the bounds
// of the current grid size, attempt to place it in the next
// available position.
if (item.cellX < 0 || item.cellY < 0 || item.cellX + item.spanX > countX
|| item.cellY + item.spanY > countY) {
// If we won't be resizing the grid, then just return, this item does not fit.
if (!shouldResizeAndUpdateDB) {
Log.e(TAG, "Error loading shortcut " + item
+ " into cell (" + containerIndex + "-" + item.screenId + ":"
+ item.cellX + "," + item.cellY
+ ") out of screen bounds ( " + countX + "x" + countY + ")");
return false;
}
if (item.itemType != LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET) {
// Place the item at 0 0 of screen 1
// if items overlap here, they will be moved later on
item.cellX = 0;
item.cellY = 0;
item.screenId = 1;
item.wasMovedDueToReducedSpace = true;
item.requiresDbUpdate = true;
} else {
// see if widget can be shrunk to fit a screen, if not, just remove it
if (item.minSpanX > countX || item.minSpanY > countY) {
return false;
}
// if the widget is larger than the grid, shrink it down
if (item.cellX + item.spanX > countX) {
item.cellX = 0;
item.spanY = (item.spanY / 2) > 0 ? item.spanY / 2 : 1;
item.spanX = item.minSpanX;
item.requiresDbUpdate = true;
item.wasMovedDueToReducedSpace = true;
}
if (item.cellY + item.spanY > countY) {
item.cellY = 0;
item.spanY = countY;
item.requiresDbUpdate = true;
item.wasMovedDueToReducedSpace = true;
}
if (item.cellY + item.spanY == countY && item.cellX + item.spanX == countX) {
// if the widget is the size of the grid, make a screen all it's own.
item.screenId = sBgWorkspaceScreens.size() + 1;
}
}
} else {
item.wasMovedDueToReducedSpace = false;
item.requiresDbUpdate = true;
}
if (!occupied.containsKey(item.screenId)) {
ItemInfo[][] items = new ItemInfo[countX][countY];
occupied.put(item.screenId, items);
}
ItemInfo[][] screens = occupied.get(item.screenId);
// Check if any workspace icons overlap with each other
for (int x = item.cellX; x < (item.cellX+item.spanX); x++) {
for (int y = item.cellY; y < (item.cellY+item.spanY); y++) {
if (!shouldResizeAndUpdateDB && screens[x][y] != null) {
Log.e(TAG, "Error loading shortcut " + item
+ " into cell (" + containerIndex + "-" + item.screenId + ":"
+ x + "," + y
+ ") occupied by "
+ screens[x][y]);
return false;
}
}
}
for (int x = item.cellX; x < (item.cellX+item.spanX); x++) {
for (int y = item.cellY; y < (item.cellY+item.spanY); y++) {
screens[x][y] = item;
if (item.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET
&& shouldResizeAndUpdateDB) {
// fill up the entire grid where the widget technically is
for (int spanX = x; spanX < item.spanX; spanX++) {
screens[spanX][y] = item;
for (int spanY = y; spanY < item.spanX; spanY++) {
screens[spanX][spanY] = item;
}
}
}
}
}
return true;
}
/** Clears all the sBg data structures */
private void clearSBgDataStructures() {
synchronized (sBgLock) {
sBgWorkspaceItems.clear();
sBgAppWidgets.clear();
sBgFolders.clear();
sBgItemsIdMap.clear();
sBgWorkspaceScreens.clear();
}
}
private void loadWorkspace() {
final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0;
final Context context = mContext;
final ContentResolver contentResolver = context.getContentResolver();
final PackageManager manager = context.getPackageManager();
final boolean isSafeMode = manager.isSafeMode();
final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context);
final boolean isSdCardReady = context.registerReceiver(null,
new IntentFilter(StartupReceiver.SYSTEM_READY)) != null;
LauncherAppState app = LauncherAppState.getInstance();
InvariantDeviceProfile profile = app.getInvariantDeviceProfile();
int countX = profile.numColumns;
int countY = profile.numRows;
boolean shouldResize = ((mFlags & LOADER_FLAG_RESIZE_GRID) != 0);
if (MigrateFromRestoreTask.ENABLED && MigrateFromRestoreTask.shouldRunTask(mContext)) {
long migrationStartTime = System.currentTimeMillis();
Log.v(TAG, "Starting workspace migration after restore");
try {
MigrateFromRestoreTask task = new MigrateFromRestoreTask(mContext);
// Clear the flags before starting the task, so that we do not run the task
// again, in case there was an uncaught error.
MigrateFromRestoreTask.clearFlags(mContext);
task.execute();
} catch (Exception e) {
Log.e(TAG, "Error during grid migration", e);
// Clear workspace.
mFlags = mFlags | LOADER_FLAG_CLEAR_WORKSPACE;
}
Log.v(TAG, "Workspace migration completed in "
+ (System.currentTimeMillis() - migrationStartTime));
}
if ((mFlags & LOADER_FLAG_CLEAR_WORKSPACE) != 0) {
Launcher.addDumpLog(TAG, "loadWorkspace: resetting launcher database", true);
LauncherAppState.getLauncherProvider().deleteDatabase();
}
if ((mFlags & LOADER_FLAG_MIGRATE_SHORTCUTS) != 0) {
// append the user's Launcher2 shortcuts
Launcher.addDumpLog(TAG, "loadWorkspace: migrating from launcher2", true);
LauncherAppState.getLauncherProvider().migrateLauncher2Shortcuts();
} else {
// Make sure the default workspace is loaded
Launcher.addDumpLog(TAG, "loadWorkspace: loading default favorites", false);
LauncherAppState.getLauncherProvider().loadDefaultFavoritesIfNecessary();
}
synchronized (sBgLock) {
clearSBgDataStructures();
final HashMap<String, Integer> installingPkgs = PackageInstallerCompat
.getInstance(mContext).updateAndGetActiveSessionCache();
sBgWorkspaceScreens.addAll(loadWorkspaceScreensDb(mContext));
final ArrayList<Long> itemsToRemove = new ArrayList<Long>();
final ArrayList<Long> restoredRows = new ArrayList<Long>();
final Uri contentUri = LauncherSettings.Favorites.CONTENT_URI;
if (DEBUG_LOADERS) Log.d(TAG, "loading model from " + contentUri);
final Cursor c = contentResolver.query(contentUri, null, null, null, null);
// +1 for the hotseat (it can be larger than the workspace)
// Load workspace in reverse order to ensure that latest items are loaded first (and
// before any earlier duplicates)
final LongArrayMap<ItemInfo[][]> occupied = new LongArrayMap<>();
try {
final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID);
final int intentIndex = c.getColumnIndexOrThrow
(LauncherSettings.Favorites.INTENT);
final int titleIndex = c.getColumnIndexOrThrow
(LauncherSettings.Favorites.TITLE);
final int containerIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.CONTAINER);
final int itemTypeIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.ITEM_TYPE);
final int appWidgetIdIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.APPWIDGET_ID);
final int appWidgetProviderIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.APPWIDGET_PROVIDER);
final int screenIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.SCREEN);
final int cellXIndex = c.getColumnIndexOrThrow
(LauncherSettings.Favorites.CELLX);
final int cellYIndex = c.getColumnIndexOrThrow
(LauncherSettings.Favorites.CELLY);
final int spanXIndex = c.getColumnIndexOrThrow
(LauncherSettings.Favorites.SPANX);
final int spanYIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.SPANY);
final int rankIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.RANK);
final int restoredIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.RESTORED);
final int profileIdIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.PROFILE_ID);
final int optionsIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.OPTIONS);
final int hiddenIndex = c.getColumnIndexOrThrow(
LauncherSettings.Favorites.HIDDEN);
final int subTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SUBTYPE);
final CursorIconInfo cursorIconInfo = new CursorIconInfo(c);
final LongSparseArray<UserHandleCompat> allUsers = new LongSparseArray<>();
for (UserHandleCompat user : mUserManager.getUserProfiles()) {
allUsers.put(mUserManager.getSerialNumberForUser(user), user);
}
ShortcutInfo info;
String intentDescription;
LauncherAppWidgetInfo appWidgetInfo;
int container;
long id;
long serialNumber;
Intent intent;
UserHandleCompat user;
while (!mStopped && c.moveToNext()) {
try {
int itemType = c.getInt(itemTypeIndex);
boolean restored = 0 != c.getInt(restoredIndex);
boolean allowMissingTarget = false;
container = c.getInt(containerIndex);
switch (itemType) {
case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
id = c.getLong(idIndex);
intentDescription = c.getString(intentIndex);
serialNumber = c.getInt(profileIdIndex);
user = allUsers.get(serialNumber);
int promiseType = c.getInt(restoredIndex);
int disabledState = 0;
boolean itemReplaced = false;
if (user == null) {
// User has been deleted remove the item.
itemsToRemove.add(id);
continue;
}
try {
intent = Intent.parseUri(intentDescription, 0);
ComponentName cn = intent.getComponent();
if (cn != null && cn.getPackageName() != null) {
boolean validPkg = launcherApps.isPackageEnabledForProfile(
cn.getPackageName(), user);
boolean validComponent = validPkg &&
launcherApps.isActivityEnabledForProfile(cn, user);
if (validComponent) {
if (restored) {
// no special handling necessary for this item
restoredRows.add(id);
restored = false;
}
} else if (validPkg) {
intent = null;
if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) {
// We allow auto install apps to have their intent
// updated after an install.
intent = manager.getLaunchIntentForPackage(
cn.getPackageName());
if (intent != null) {
ContentValues values = new ContentValues();
values.put(LauncherSettings.Favorites.INTENT,
intent.toUri(0));
updateItem(id, values);
}
}
if (intent == null) {
// The app is installed but the component is no
// longer available.
Launcher.addDumpLog(TAG,
"Invalid component removed: " + cn, true);
itemsToRemove.add(id);
continue;
} else {
// no special handling necessary for this item
restoredRows.add(id);
restored = false;
}
} else if (restored) {
// Package is not yet available but might be
// installed later.
Launcher.addDumpLog(TAG,
"package not yet restored: " + cn, true);
if ((promiseType & ShortcutInfo.FLAG_RESTORE_STARTED) != 0) {
// Restore has started once.
} else if (installingPkgs.containsKey(cn.getPackageName())) {
// App restore has started. Update the flag
promiseType |= ShortcutInfo.FLAG_RESTORE_STARTED;
ContentValues values = new ContentValues();
values.put(LauncherSettings.Favorites.RESTORED,
promiseType);
updateItem(id, values);
} else if ((promiseType & ShortcutInfo.FLAG_RESTORED_APP_TYPE) != 0) {
// This is a common app. Try to replace this.
int appType = CommonAppTypeParser.decodeItemTypeFromFlag(promiseType);
CommonAppTypeParser parser = new CommonAppTypeParser(id, appType, context);
if (parser.findDefaultApp()) {
// Default app found. Replace it.
intent = parser.parsedIntent;
cn = intent.getComponent();
ContentValues values = parser.parsedValues;
values.put(LauncherSettings.Favorites.RESTORED, 0);
updateItem(id, values);
restored = false;
itemReplaced = true;
} else if (REMOVE_UNRESTORED_ICONS) {
Launcher.addDumpLog(TAG,
"Unrestored package removed: " + cn, true);
itemsToRemove.add(id);
continue;
}
} else if (REMOVE_UNRESTORED_ICONS) {
Launcher.addDumpLog(TAG,
"Unrestored package removed: " + cn, true);
itemsToRemove.add(id);
continue;
}
} else if (launcherApps.isAppEnabled(
manager, cn.getPackageName(),
PackageManager.GET_UNINSTALLED_PACKAGES)) {
// Package is present but not available.
allowMissingTarget = true;
disabledState = ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE;
} else if (!isSdCardReady) {
// SdCard is not ready yet. Package might get available,
// once it is ready.
Launcher.addDumpLog(TAG, "Invalid package: " + cn
+ " (check again later)", true);
HashSet<String> pkgs = sPendingPackages.get(user);
if (pkgs == null) {
pkgs = new HashSet<String>();
sPendingPackages.put(user, pkgs);
}
pkgs.add(cn.getPackageName());
allowMissingTarget = true;
// Add the icon on the workspace anyway.
} else {
// Do not wait for external media load anymore.
// Log the invalid package, and remove it
Launcher.addDumpLog(TAG,
"Invalid package removed: " + cn, true);
itemsToRemove.add(id);
continue;
}
} else if (cn == null) {
// For shortcuts with no component, keep them as they are
restoredRows.add(id);
restored = false;
}
} catch (URISyntaxException e) {
Launcher.addDumpLog(TAG,
"Invalid uri: " + intentDescription, true);
itemsToRemove.add(id);
continue;
}
boolean useLowResIcon = container >= 0 &&
c.getInt(rankIndex) >= FolderIcon.NUM_ITEMS_IN_PREVIEW;
if (itemReplaced) {
if (user.equals(UserHandleCompat.myUserHandle())) {
info = getAppShortcutInfo(manager, intent, user, context, null,
cursorIconInfo.iconIndex, titleIndex,
false, useLowResIcon);
} else {
// Don't replace items for other profiles.
itemsToRemove.add(id);
continue;
}
} else if (restored) {
if (user.equals(UserHandleCompat.myUserHandle())) {
Launcher.addDumpLog(TAG,
"constructing info for partially restored package",
true);
info = getRestoredItemInfo(c, titleIndex, intent,
promiseType, itemType, cursorIconInfo, context);
intent = getRestoredItemIntent(c, context, intent);
} else {
// Don't restore items for other profiles.
itemsToRemove.add(id);
continue;
}
} else if (itemType ==
LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
info = getAppShortcutInfo(manager, intent, user, context, c,
cursorIconInfo.iconIndex, titleIndex,
allowMissingTarget, useLowResIcon);
} else {
info = getShortcutInfo(c, context, titleIndex, cursorIconInfo);
// App shortcuts that used to be automatically added to Launcher
// didn't always have the correct intent flags set, so do that
// here
if (intent.getAction() != null &&
intent.getCategories() != null &&
intent.getAction().equals(Intent.ACTION_MAIN) &&
intent.getCategories().contains(Intent.CATEGORY_LAUNCHER)) {
intent.addFlags(
Intent.FLAG_ACTIVITY_NEW_TASK |
Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
}
}
if (info != null) {
info.id = id;
info.intent = intent;
info.container = container;
info.screenId = c.getInt(screenIndex);
info.cellX = c.getInt(cellXIndex);
info.cellY = c.getInt(cellYIndex);
info.rank = c.getInt(rankIndex);
info.spanX = 1;
info.spanY = 1;
info.intent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber);
if (info.promisedIntent != null) {
info.promisedIntent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber);
}
info.isDisabled = disabledState;
if (isSafeMode && !Utilities.isSystemApp(context, intent)) {
info.isDisabled |= ShortcutInfo.FLAG_DISABLED_SAFEMODE;
}
// check & update map of what's occupied
if (!checkItemPlacement(occupied, info, sBgWorkspaceScreens,
shouldResize)) {
itemsToRemove.add(id);
break;
}
if (restored) {
ComponentName cn = info.getTargetComponent();
if (cn != null) {
Integer progress = installingPkgs.get(cn.getPackageName());
if (progress != null) {
info.setInstallProgress(progress);
} else {
info.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE;
}
}
}
switch (container) {
case LauncherSettings.Favorites.CONTAINER_DESKTOP:
case LauncherSettings.Favorites.CONTAINER_HOTSEAT:
sBgWorkspaceItems.add(info);
break;
default:
// Item is in a user folder
FolderInfo folderInfo =
findOrMakeFolder(sBgFolders, container);
folderInfo.add(info);
break;
}
sBgItemsIdMap.put(info.id, info);
} else {
throw new RuntimeException("Unexpected null ShortcutInfo");
}
break;
case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
id = c.getLong(idIndex);
FolderInfo folderInfo = findOrMakeFolder(sBgFolders, id);
// Do not trim the folder label, as is was set by the user.
folderInfo.title = c.getString(titleIndex);
folderInfo.id = id;
folderInfo.container = container;
folderInfo.screenId = c.getInt(screenIndex);
folderInfo.cellX = c.getInt(cellXIndex);
folderInfo.cellY = c.getInt(cellYIndex);
folderInfo.spanX = 1;
folderInfo.spanY = 1;
folderInfo.options = c.getInt(optionsIndex);
folderInfo.hidden = c.getInt(hiddenIndex) > 0;
folderInfo.subType = c.getInt(subTypeIndex);
// check & update map of what's occupied
if (!checkItemPlacement(occupied, folderInfo, sBgWorkspaceScreens,
shouldResize)) {
itemsToRemove.add(id);
break;
}
switch (container) {
case LauncherSettings.Favorites.CONTAINER_DESKTOP:
case LauncherSettings.Favorites.CONTAINER_HOTSEAT:
sBgWorkspaceItems.add(folderInfo);
break;
}
if (restored) {
// no special handling required for restored folders
restoredRows.add(id);
}
sBgItemsIdMap.put(folderInfo.id, folderInfo);
sBgFolders.put(folderInfo.id, folderInfo);
break;
case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
case LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET:
// Read all Launcher-specific widget details
boolean customWidget = itemType ==
LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET;
int appWidgetId = c.getInt(appWidgetIdIndex);
serialNumber = c.getLong(profileIdIndex);
String savedProvider = c.getString(appWidgetProviderIndex);
id = c.getLong(idIndex);
user = allUsers.get(serialNumber);
if (user == null) {
itemsToRemove.add(id);
continue;
}
final ComponentName component =
ComponentName.unflattenFromString(savedProvider);
final int restoreStatus = c.getInt(restoredIndex);
final boolean isIdValid = (restoreStatus &
LauncherAppWidgetInfo.FLAG_ID_NOT_VALID) == 0;
final boolean wasProviderReady = (restoreStatus &
LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) == 0;
final LauncherAppWidgetProviderInfo provider =
LauncherModel.getProviderInfo(context,
ComponentName.unflattenFromString(savedProvider),
user);
final boolean isProviderReady = isValidProvider(provider);
if (!isSafeMode && !customWidget &&
wasProviderReady && !isProviderReady) {
String log = "Deleting widget that isn't installed anymore: "
+ "id=" + id + " appWidgetId=" + appWidgetId;
Log.e(TAG, log);
Launcher.addDumpLog(TAG, log, false);
itemsToRemove.add(id);
} else {
if (isProviderReady) {
appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId,
provider.provider);
// The provider is available. So the widget is either
// available or not available. We do not need to track
// any future restore updates.
int status = restoreStatus &
~LauncherAppWidgetInfo.FLAG_RESTORE_STARTED;
if (!wasProviderReady) {
// If provider was not previously ready, update the
// status and UI flag.
// Id would be valid only if the widget restore broadcast was received.
if (isIdValid) {
status = LauncherAppWidgetInfo.FLAG_UI_NOT_READY;
} else {
status &= ~LauncherAppWidgetInfo
.FLAG_PROVIDER_NOT_READY;
}
}
appWidgetInfo.restoreStatus = status;
} else {
Log.v(TAG, "Widget restore pending id=" + id
+ " appWidgetId=" + appWidgetId
+ " status =" + restoreStatus);
appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId,
component);
appWidgetInfo.restoreStatus = restoreStatus;
Integer installProgress = installingPkgs.get(component.getPackageName());
if ((restoreStatus & LauncherAppWidgetInfo.FLAG_RESTORE_STARTED) != 0) {
// Restore has started once.
} else if (installProgress != null) {
// App restore has started. Update the flag
appWidgetInfo.restoreStatus |=
LauncherAppWidgetInfo.FLAG_RESTORE_STARTED;
} else if (REMOVE_UNRESTORED_ICONS && !isSafeMode) {
Launcher.addDumpLog(TAG,
"Unrestored widget removed: " + component, true);
itemsToRemove.add(id);
continue;
}
appWidgetInfo.installProgress =
installProgress == null ? 0 : installProgress;
}
appWidgetInfo.id = id;
appWidgetInfo.screenId = c.getInt(screenIndex);
appWidgetInfo.cellX = c.getInt(cellXIndex);
appWidgetInfo.cellY = c.getInt(cellYIndex);
appWidgetInfo.spanX = c.getInt(spanXIndex);
appWidgetInfo.spanY = c.getInt(spanYIndex);
appWidgetInfo.user = user;
if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP &&
container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
Log.e(TAG, "Widget found where container != " +
"CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!");
itemsToRemove.add(id);
continue;
}
appWidgetInfo.container = container;
// check & update map of what's occupied
if (!checkItemPlacement(occupied, appWidgetInfo,
sBgWorkspaceScreens, shouldResize)) {
itemsToRemove.add(id);
break;
}
if (!customWidget) {
String providerName =
appWidgetInfo.providerName.flattenToString();
if (!providerName.equals(savedProvider) ||
(appWidgetInfo.restoreStatus != restoreStatus)) {
ContentValues values = new ContentValues();
values.put(
LauncherSettings.Favorites.APPWIDGET_PROVIDER,
providerName);
values.put(LauncherSettings.Favorites.RESTORED,
appWidgetInfo.restoreStatus);
updateItem(id, values);
}
}
sBgItemsIdMap.put(appWidgetInfo.id, appWidgetInfo);
sBgAppWidgets.add(appWidgetInfo);
}
break;
}
} catch (Exception e) {
Launcher.addDumpLog(TAG, "Desktop items loading interrupted", e, true);
}
}
} finally {
if (c != null) {
c.close();
}
}
// Break early if we've stopped loading
if (mStopped) {
clearSBgDataStructures();
return;
}
if (itemsToRemove.size() > 0) {
// Remove dead items
contentResolver.delete(LauncherSettings.Favorites.CONTENT_URI,
Utilities.createDbSelectionQuery(
LauncherSettings.Favorites._ID, itemsToRemove), null);
if (DEBUG_LOADERS) {
Log.d(TAG, "Removed = " + Utilities.createDbSelectionQuery(
LauncherSettings.Favorites._ID, itemsToRemove));
}
// Remove any empty folder
for (long folderId : LauncherAppState.getLauncherProvider()
.deleteEmptyFolders()) {
sBgWorkspaceItems.remove(sBgFolders.get(folderId));
sBgFolders.remove(folderId);
sBgItemsIdMap.remove(folderId);
}
}
// Sort all the folder items and make sure the first 3 items are high resolution.
for (FolderInfo folder : sBgFolders) {
Collections.sort(folder.contents, Folder.ITEM_POS_COMPARATOR);
int pos = 0;
for (ShortcutInfo info : folder.contents) {
if (info.usingLowResIcon) {
info.updateIcon(mIconCache, false);
}
pos ++;
if (pos >= FolderIcon.NUM_ITEMS_IN_PREVIEW) {
break;
}
}
}
if (restoredRows.size() > 0) {
// Update restored items that no longer require special handling
ContentValues values = new ContentValues();
values.put(LauncherSettings.Favorites.RESTORED, 0);
contentResolver.update(LauncherSettings.Favorites.CONTENT_URI, values,
Utilities.createDbSelectionQuery(
LauncherSettings.Favorites._ID, restoredRows), null);
}
if (!isSdCardReady && !sPendingPackages.isEmpty()) {
context.registerReceiver(new AppsAvailabilityCheck(),
new IntentFilter(StartupReceiver.SYSTEM_READY),
null, sWorker);
}
// Remove any empty screens
ArrayList<Long> unusedScreens = new ArrayList<Long>(sBgWorkspaceScreens);
for (ItemInfo item: sBgItemsIdMap) {
long screenId = item.screenId;
if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP &&
unusedScreens.contains(screenId)) {
unusedScreens.remove(screenId);
}
}
// If there are any empty screens remove them, and update.
if (unusedScreens.size() != 0) {
sBgWorkspaceScreens.removeAll(unusedScreens);
updateWorkspaceScreenOrder(context, sBgWorkspaceScreens);
}
// If any items have been shifted and require a DB update, update them in the DB.
if (shouldResize) {
for (ItemInfo info : sBgWorkspaceItems) {
if (info != null && info.requiresDbUpdate) {
info.requiresDbUpdate = false;
LauncherModel.modifyItemInDatabase(mContext, info, info.container,
info.screenId, info.cellX, info.cellY, info.spanX, info.spanY);
}
}
}
if (DEBUG_LOADERS) {
Log.d(TAG, "loaded workspace in " + (SystemClock.uptimeMillis()-t) + "ms");
Log.d(TAG, "workspace layout: ");
int nScreens = occupied.size();
for (int y = 0; y < countY; y++) {
String line = "";
for (int i = 0; i < nScreens; i++) {
long screenId = occupied.keyAt(i);
if (screenId > 0) {
line += " | ";
}
ItemInfo[][] screen = occupied.valueAt(i);
for (int x = 0; x < countX; x++) {
if (x < screen.length && y < screen[x].length) {
line += (screen[x][y] != null) ? "#" : ".";
} else {
line += "!";
}
}
}
Log.d(TAG, "[ " + line + " ]");
}
}
}
}
/**
* Partially updates the item without any notification. Must be called on the worker thread.
*/
private void updateItem(long itemId, ContentValues update) {
mContext.getContentResolver().update(
LauncherSettings.Favorites.CONTENT_URI,
update,
BaseColumns._ID + "= ?",
new String[]{Long.toString(itemId)});
}
/** Filters the set of items who are directly or indirectly (via another container) on the
* specified screen. */
private void filterCurrentWorkspaceItems(long currentScreenId,
ArrayList<ItemInfo> allWorkspaceItems,
ArrayList<ItemInfo> currentScreenItems,
ArrayList<ItemInfo> otherScreenItems) {
// Purge any null ItemInfos
Iterator<ItemInfo> iter = allWorkspaceItems.iterator();
while (iter.hasNext()) {
ItemInfo i = iter.next();
if (i == null) {
iter.remove();
}
}
// Order the set of items by their containers first, this allows use to walk through the
// list sequentially, build up a list of containers that are in the specified screen,
// as well as all items in those containers.
Set<Long> itemsOnScreen = new HashSet<Long>();
Collections.sort(allWorkspaceItems, new Comparator<ItemInfo>() {
@Override
public int compare(ItemInfo lhs, ItemInfo rhs) {
return (int) (lhs.container - rhs.container);
}
});
for (ItemInfo info : allWorkspaceItems) {
if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) {
if (info.screenId == currentScreenId) {
currentScreenItems.add(info);
itemsOnScreen.add(info.id);
} else {
otherScreenItems.add(info);
}
} else if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
currentScreenItems.add(info);
itemsOnScreen.add(info.id);
} else {
if (itemsOnScreen.contains(info.container)) {
currentScreenItems.add(info);
itemsOnScreen.add(info.id);
} else {
otherScreenItems.add(info);
}
}
}
}
/** Filters the set of widgets which are on the specified screen. */
private void filterCurrentAppWidgets(long currentScreenId,
ArrayList<LauncherAppWidgetInfo> appWidgets,
ArrayList<LauncherAppWidgetInfo> currentScreenWidgets,
ArrayList<LauncherAppWidgetInfo> otherScreenWidgets) {
for (LauncherAppWidgetInfo widget : appWidgets) {
if (widget == null) continue;
if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP &&
widget.screenId == currentScreenId) {
currentScreenWidgets.add(widget);
} else {
otherScreenWidgets.add(widget);
}
}
}
/** Filters the set of folders which are on the specified screen. */
private void filterCurrentFolders(long currentScreenId,
LongArrayMap<ItemInfo> itemsIdMap,
LongArrayMap<FolderInfo> folders,
LongArrayMap<FolderInfo> currentScreenFolders,
LongArrayMap<FolderInfo> otherScreenFolders) {
int total = folders.size();
for (int i = 0; i < total; i++) {
long id = folders.keyAt(i);
FolderInfo folder = folders.valueAt(i);
ItemInfo info = itemsIdMap.get(id);
if (info == null || folder == null) continue;
if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP &&
info.screenId == currentScreenId) {
currentScreenFolders.put(id, folder);
} else {
otherScreenFolders.put(id, folder);
}
}
}
/** Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to
* right) */
private void sortWorkspaceItemsSpatially(ArrayList<ItemInfo> workspaceItems) {
final LauncherAppState app = LauncherAppState.getInstance();
final InvariantDeviceProfile profile = app.getInvariantDeviceProfile();
// XXX: review this
Collections.sort(workspaceItems, new Comparator<ItemInfo>() {
@Override
public int compare(ItemInfo lhs, ItemInfo rhs) {
int cellCountX = (int) profile.numColumns;
int cellCountY = (int) profile.numRows;
int screenOffset = cellCountX * cellCountY;
int containerOffset = screenOffset * (Launcher.SCREEN_COUNT + 1); // +1 hotseat
long lr = (lhs.container * containerOffset + lhs.screenId * screenOffset +
lhs.cellY * cellCountX + lhs.cellX);
long rr = (rhs.container * containerOffset + rhs.screenId * screenOffset +
rhs.cellY * cellCountX + rhs.cellX);
return (int) (lr - rr);
}
});
}
private void bindWorkspaceScreens(final Callbacks oldCallbacks,
final ArrayList<Long> orderedScreens) {
final Runnable r = new Runnable() {
@Override
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.bindScreens(orderedScreens);
}
}
};
runOnMainThread(r);
}
private void removeHiddenAppsWorkspaceItems(
final ArrayList<ItemInfo> workspaceItems,
final ArrayList<LauncherAppWidgetInfo> appWidgets,
final LongArrayMap<FolderInfo> folders) {
// Get hidden apps
ArrayList<ComponentName> mHiddenApps = new ArrayList<ComponentName>();
ArrayList<String> mHiddenAppsPackages = new ArrayList<String>();
Context context = mApp.getContext();
String protectedComponents = null;/*CMSettings.Secure.getString(context.getContentResolver(),
CMSettings.Secure.PROTECTED_COMPONENTS);*/
protectedComponents = protectedComponents == null ? "" : protectedComponents;
String[] flattened = protectedComponents.split("\\|");
for (String flat : flattened) {
ComponentName cmp = ComponentName.unflattenFromString(flat);
if (cmp != null) {
mHiddenApps.add(cmp);
mHiddenAppsPackages.add(cmp.getPackageName());
}
}
// Shortcuts
int N = workspaceItems.size() - 1;
for (int i = N; i >= 0; i--) {
final ItemInfo item = workspaceItems.get(i);
if (item instanceof ShortcutInfo) {
ShortcutInfo shortcut = (ShortcutInfo)item;
if (shortcut.intent != null && shortcut.intent.getComponent() != null) {
if (mHiddenApps.contains(shortcut.intent.getComponent())) {
LauncherModel.deleteItemFromDatabase(mContext, shortcut);
workspaceItems.remove(i);
}
}
} else {
// Only remove items from folders that aren't hidden
final FolderInfo folder = (FolderInfo)item;
List<ShortcutInfo> shortcuts = folder.contents;
int NN = shortcuts.size() - 1;
for (int j = NN; j >= 0; j--) {
final ShortcutInfo sci = shortcuts.get(j);
if (sci.intent != null && sci.intent.getComponent() != null) {
if (!folder.hidden){
if (mHiddenApps.contains(sci.intent.getComponent())) {
LauncherModel.deleteItemFromDatabase(mContext, sci);
Runnable r = new Runnable() {
public void run() {
folder.remove(sci);
}
};
runOnMainThread(r);
}
} else {
if (!mHiddenApps.contains(sci.intent.getComponent())) {
LauncherModel.deleteItemFromDatabase(mContext, sci);
Runnable r = new Runnable() {
public void run() {
folder.remove(sci);
}
};
runOnMainThread(r);
}
}
}
}
if (folder.contents.size() == 1 && !folder.hidden) {
ShortcutInfo finalItem = folder.contents.get(0);
finalItem.container = folder.container;
LauncherModel.deleteItemFromDatabase(mContext, folder);
// only replace this item back on the workspace if it's not protected
// and not a remote folder.
if (!mHiddenApps.contains(finalItem.intent.getComponent()) &&
!folder.isRemote()) {
LauncherModel.addOrMoveItemInDatabase(mContext, finalItem,
folder.container, folder.screenId, folder.cellX, folder.cellY);
workspaceItems.add(finalItem);
}
workspaceItems.remove(i);
folders.remove(Long.valueOf(item.id));
// Remote folders are always empty on bind.
} else if (folder.contents.size() == 0 && !folder.isRemote()) {
LauncherModel.deleteFolderContentsFromDatabase(mContext, folder);
workspaceItems.remove(i);
folders.remove(Long.valueOf(item.id));
}
}
}
// AppWidgets
N = appWidgets.size() - 1;
for (int i = N; i >= 0; i--) {
final LauncherAppWidgetInfo item = appWidgets.get(i);
if (item.providerName != null) {
if (mHiddenAppsPackages.contains(item.providerName.getPackageName())) {
LauncherModel.deleteItemFromDatabase(mContext, item);
appWidgets.remove(i);
}
}
}
}
private void bindWorkspaceItems(final Callbacks oldCallbacks,
final ArrayList<ItemInfo> workspaceItems,
final ArrayList<LauncherAppWidgetInfo> appWidgets,
final LongArrayMap<FolderInfo> folders,
ArrayList<Runnable> deferredBindRunnables) {
final boolean postOnMainThread = (deferredBindRunnables != null);
removeHiddenAppsWorkspaceItems(workspaceItems, appWidgets, folders);
// Bind the workspace items
int N = workspaceItems.size();
for (int i = 0; i < N; i += ITEMS_CHUNK) {
final int start = i;
final int chunkSize = (i+ITEMS_CHUNK <= N) ? ITEMS_CHUNK : (N-i);
final Runnable r = new Runnable() {
@Override
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.bindItems(workspaceItems, start, start+chunkSize,
false);
}
}
};
if (postOnMainThread) {
synchronized (deferredBindRunnables) {
deferredBindRunnables.add(r);
}
} else {
runOnMainThread(r);
}
}
// Bind the folders
if (!folders.isEmpty()) {
final Runnable r = new Runnable() {
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.bindFolders(folders);
}
}
};
if (postOnMainThread) {
synchronized (deferredBindRunnables) {
deferredBindRunnables.add(r);
}
} else {
runOnMainThread(r);
}
}
// Bind the widgets, one at a time
N = appWidgets.size();
for (int i = 0; i < N; i++) {
final LauncherAppWidgetInfo widget = appWidgets.get(i);
final Runnable r = new Runnable() {
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.bindAppWidget(widget);
}
}
};
if (postOnMainThread) {
deferredBindRunnables.add(r);
} else {
runOnMainThread(r);
}
}
}
/**
* Binds all loaded data to actual views on the main thread.
*/
private void bindWorkspace(int synchronizeBindPage) {
final long t = SystemClock.uptimeMillis();
Runnable r;
// Don't use these two variables in any of the callback runnables.
// Otherwise we hold a reference to them.
final Callbacks oldCallbacks = mCallbacks.get();
if (oldCallbacks == null) {
// This launcher has exited and nobody bothered to tell us. Just bail.
Log.w(TAG, "LoaderTask running with no launcher");
return;
}
// Save a copy of all the bg-thread collections
ArrayList<ItemInfo> workspaceItems = new ArrayList<ItemInfo>();
ArrayList<LauncherAppWidgetInfo> appWidgets =
new ArrayList<LauncherAppWidgetInfo>();
ArrayList<Long> orderedScreenIds = new ArrayList<Long>();
final LongArrayMap<FolderInfo> folders;
final LongArrayMap<ItemInfo> itemsIdMap;
synchronized (sBgLock) {
workspaceItems.addAll(sBgWorkspaceItems);
appWidgets.addAll(sBgAppWidgets);
orderedScreenIds.addAll(sBgWorkspaceScreens);
folders = sBgFolders.clone();
itemsIdMap = sBgItemsIdMap.clone();
}
final boolean isLoadingSynchronously =
synchronizeBindPage != PagedView.INVALID_RESTORE_PAGE;
int currScreen = isLoadingSynchronously ? synchronizeBindPage :
oldCallbacks.getCurrentWorkspaceScreen();
if (currScreen >= orderedScreenIds.size()) {
// There may be no workspace screens (just hotseat items and an empty page).
currScreen = PagedView.INVALID_RESTORE_PAGE;
}
final int currentScreen = currScreen;
final long currentScreenId = currentScreen < 0
? INVALID_SCREEN_ID : orderedScreenIds.get(currentScreen);
// Load all the items that are on the current page first (and in the process, unbind
// all the existing workspace items before we call startBinding() below.
unbindWorkspaceItemsOnMainThread();
// Separate the items that are on the current screen, and all the other remaining items
ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<ItemInfo>();
ArrayList<ItemInfo> otherWorkspaceItems = new ArrayList<ItemInfo>();
ArrayList<LauncherAppWidgetInfo> currentAppWidgets =
new ArrayList<LauncherAppWidgetInfo>();
ArrayList<LauncherAppWidgetInfo> otherAppWidgets =
new ArrayList<LauncherAppWidgetInfo>();
LongArrayMap<FolderInfo> currentFolders = new LongArrayMap<>();
LongArrayMap<FolderInfo> otherFolders = new LongArrayMap<>();
filterCurrentWorkspaceItems(currentScreenId, workspaceItems, currentWorkspaceItems,
otherWorkspaceItems);
filterCurrentAppWidgets(currentScreenId, appWidgets, currentAppWidgets,
otherAppWidgets);
filterCurrentFolders(currentScreenId, itemsIdMap, folders, currentFolders,
otherFolders);
sortWorkspaceItemsSpatially(currentWorkspaceItems);
sortWorkspaceItemsSpatially(otherWorkspaceItems);
// Tell the workspace that we're about to start binding items
r = new Runnable() {
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.startBinding();
}
}
};
runOnMainThread(r);
bindWorkspaceScreens(oldCallbacks, orderedScreenIds);
// Load items on the current page
bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets,
currentFolders, null);
if (isLoadingSynchronously) {
r = new Runnable() {
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null && currentScreen != PagedView.INVALID_RESTORE_PAGE) {
callbacks.onPageBoundSynchronously(currentScreen);
}
}
};
runOnMainThread(r);
}
// Load all the remaining pages (if we are loading synchronously, we want to defer this
// work until after the first render)
synchronized (mDeferredBindRunnables) {
mDeferredBindRunnables.clear();
}
bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, otherFolders,
(isLoadingSynchronously ? mDeferredBindRunnables : null));
// Tell the workspace that we're done binding items
r = new Runnable() {
public void run() {
Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.finishBindingItems();
}
mIsLoadingAndBindingWorkspace = false;
// Run all the bind complete runnables after workspace is bound.
if (!mBindCompleteRunnables.isEmpty()) {
synchronized (mBindCompleteRunnables) {
for (final Runnable r : mBindCompleteRunnables) {
runOnWorkerThread(r);
}
mBindCompleteRunnables.clear();
}
}
// If we're profiling, ensure this is the last thing in the queue.
if (DEBUG_LOADERS) {
Log.d(TAG, "bound workspace in "
+ (SystemClock.uptimeMillis()-t) + "ms");
}
}
};
if (isLoadingSynchronously) {
synchronized (mDeferredBindRunnables) {
mDeferredBindRunnables.add(r);
}
} else {
runOnMainThread(r);
}
}
private void loadAndBindAllApps() {
if (DEBUG_LOADERS) {
Log.d(TAG, "loadAndBindAllApps mAllAppsLoaded=" + mAllAppsLoaded);
}
if (!mAllAppsLoaded) {
loadAllApps();
synchronized (LoaderTask.this) {
if (mStopped) {
return;
}
}
updateIconCache();
synchronized (LoaderTask.this) {
if (mStopped) {
return;
}
mAllAppsLoaded = true;
}
} else {
onlyBindAllApps();
}
}
private void updateIconCache() {
// Ignore packages which have a promise icon.
HashSet<String> packagesToIgnore = new HashSet<>();
synchronized (sBgLock) {
for (ItemInfo info : sBgItemsIdMap) {
if (info instanceof ShortcutInfo) {
ShortcutInfo si = (ShortcutInfo) info;
if (si.isPromise() && si.getTargetComponent() != null) {
packagesToIgnore.add(si.getTargetComponent().getPackageName());
}
} else if (info instanceof LauncherAppWidgetInfo) {
LauncherAppWidgetInfo lawi = (LauncherAppWidgetInfo) info;
if (lawi.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY)) {
packagesToIgnore.add(lawi.providerName.getPackageName());
}
}
}
}
mIconCache.updateDbIcons(packagesToIgnore);
}
private void onlyBindAllApps() {
final Callbacks oldCallbacks = mCallbacks.get();
if (oldCallbacks == null) {
// This launcher has exited and nobody bothered to tell us. Just bail.
Log.w(TAG, "LoaderTask running with no launcher (onlyBindAllApps)");
return;
}
// shallow copy
@SuppressWarnings("unchecked")
final ArrayList<AppInfo> list
= (ArrayList<AppInfo>) mBgAllAppsList.data.clone();
final WidgetsModel widgetList = mBgWidgetsModel.clone();
Runnable r = new Runnable() {
public void run() {
final long t = SystemClock.uptimeMillis();
final Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.bindAllApplications(list);
callbacks.bindAllPackages(widgetList);
}
if (DEBUG_LOADERS) {
Log.d(TAG, "bound all " + list.size() + " apps from cache in "
+ (SystemClock.uptimeMillis()-t) + "ms");
}
}
};
boolean isRunningOnMainThread = !(sWorkerThread.getThreadId() == Process.myTid());
if (isRunningOnMainThread) {
r.run();
} else {
mHandler.post(r);
}
}
private void loadAllApps() {
final long loadTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0;
final Callbacks oldCallbacks = mCallbacks.get();
if (oldCallbacks == null) {
// This launcher has exited and nobody bothered to tell us. Just bail.
Log.w(TAG, "LoaderTask running with no launcher (loadAllApps)");
return;
}
final List<UserHandleCompat> profiles = mUserManager.getUserProfiles();
// Clear the list of apps
mBgAllAppsList.clear();
for (UserHandleCompat user : profiles) {
// Query for the set of apps
final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0;
final List<LauncherActivityInfoCompat> apps = mLauncherApps.getActivityList(null, user);
if (DEBUG_LOADERS) {
Log.d(TAG, "getActivityList took "
+ (SystemClock.uptimeMillis()-qiaTime) + "ms for user " + user);
Log.d(TAG, "getActivityList got " + apps.size() + " apps for user " + user);
}
// Fail if we don't have any apps
// TODO: Fix this. Only fail for the current user.
if (apps == null || apps.isEmpty()) {
return;
}
// Create the ApplicationInfos
for (int i = 0; i < apps.size(); i++) {
LauncherActivityInfoCompat app = apps.get(i);
// This builds the icon bitmaps.
mBgAllAppsList.add(new AppInfo(mContext, app, user, mIconCache));
}
final ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(mContext, user);
if (heuristic != null) {
final Runnable r = new Runnable() {
@Override
public void run() {
heuristic.processUserApps(apps);
}
};
runOnMainThread(new Runnable() {
@Override
public void run() {
// Check isLoadingWorkspace on the UI thread, as it is updated on
// the UI thread.
if (mIsLoadingAndBindingWorkspace) {
synchronized (mBindCompleteRunnables) {
mBindCompleteRunnables.add(r);
}
} else {
runOnWorkerThread(r);
}
}
});
}
}
// Huh? Shouldn't this be inside the Runnable below?
final ArrayList<AppInfo> added = mBgAllAppsList.added;
mBgAllAppsList.added = new ArrayList<AppInfo>();
// Post callback on main thread
mHandler.post(new Runnable() {
public void run() {
final long bindTime = SystemClock.uptimeMillis();
final Callbacks callbacks = tryGetCallbacks(oldCallbacks);
if (callbacks != null) {
callbacks.bindAllApplications(added);
if (DEBUG_LOADERS) {
Log.d(TAG, "bound " + added.size() + " apps in "
+ (SystemClock.uptimeMillis() - bindTime) + "ms");
}
} else {
Log.i(TAG, "not binding apps: no Launcher activity");
}
}
});
// Cleanup any data stored for a deleted user.
ManagedProfileHeuristic.processAllUsers(profiles, mContext);
loadAndBindWidgetsAndShortcuts(tryGetCallbacks(oldCallbacks), true /* refresh */);
if (DEBUG_LOADERS) {
Log.d(TAG, "Icons processed in "
+ (SystemClock.uptimeMillis() - loadTime) + "ms");
}
}
public void dumpState() {
synchronized (sBgLock) {
Log.d(TAG, "mLoaderTask.mContext=" + mContext);
Log.d(TAG, "mLoaderTask.mStopped=" + mStopped);
Log.d(TAG, "mLoaderTask.mLoadAndBindStepFinished=" + mLoadAndBindStepFinished);
Log.d(TAG, "mItems size=" + sBgWorkspaceItems.size());
}
}
}
/**
* Called when the icons for packages have been updated in the icon cache.
*/
public void onPackageIconsUpdated(HashSet<String> updatedPackages, UserHandleCompat user) {
final Callbacks callbacks = getCallback();
final ArrayList<AppInfo> updatedApps = new ArrayList<>();
final ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<>();
// If any package icon has changed (app was updated while launcher was dead),
// update the corresponding shortcuts.
synchronized (sBgLock) {
for (ItemInfo info : sBgItemsIdMap) {
if (info instanceof ShortcutInfo && user.equals(info.user)
&& info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
ShortcutInfo si = (ShortcutInfo) info;
ComponentName cn = si.getTargetComponent();
if (cn != null && updatedPackages.contains(cn.getPackageName())) {
si.updateIcon(mIconCache);
updatedShortcuts.add(si);
}
}
}
mBgAllAppsList.updateIconsAndLabels(updatedPackages, user, updatedApps);
}
if (!updatedShortcuts.isEmpty()) {
final UserHandleCompat userFinal = user;
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (cb != null && callbacks == cb) {
cb.bindShortcutsChanged(updatedShortcuts,
new ArrayList<ShortcutInfo>(), userFinal);
}
}
});
}
if (!updatedApps.isEmpty()) {
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (cb != null && callbacks == cb) {
cb.bindAppsUpdated(updatedApps);
}
}
});
}
// Reload widget list. No need to refresh, as we only want to update the icons and labels.
loadAndBindWidgetsAndShortcuts(callbacks, false);
}
void enqueuePackageUpdated(PackageUpdatedTask task) {
sWorker.post(task);
}
@Thunk class AppsAvailabilityCheck extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
synchronized (sBgLock) {
final LauncherAppsCompat launcherApps = LauncherAppsCompat
.getInstance(mApp.getContext());
final PackageManager manager = context.getPackageManager();
final ArrayList<String> packagesRemoved = new ArrayList<String>();
final ArrayList<String> packagesUnavailable = new ArrayList<String>();
for (Entry<UserHandleCompat, HashSet<String>> entry : sPendingPackages.entrySet()) {
UserHandleCompat user = entry.getKey();
packagesRemoved.clear();
packagesUnavailable.clear();
for (String pkg : entry.getValue()) {
if (!launcherApps.isPackageEnabledForProfile(pkg, user)) {
boolean packageOnSdcard = launcherApps.isAppEnabled(
manager, pkg, PackageManager.GET_UNINSTALLED_PACKAGES);
if (packageOnSdcard) {
Launcher.addDumpLog(TAG, "Package found on sd-card: " + pkg, true);
packagesUnavailable.add(pkg);
} else {
Launcher.addDumpLog(TAG, "Package not found: " + pkg, true);
packagesRemoved.add(pkg);
}
}
}
if (!packagesRemoved.isEmpty()) {
enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_REMOVE,
packagesRemoved.toArray(new String[packagesRemoved.size()]), user));
}
if (!packagesUnavailable.isEmpty()) {
enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UNAVAILABLE,
packagesUnavailable.toArray(new String[packagesUnavailable.size()]), user));
}
}
sPendingPackages.clear();
}
}
}
private class PackageUpdatedTask implements Runnable {
int mOp;
String[] mPackages;
UserHandleCompat mUser;
public static final int OP_NONE = 0;
public static final int OP_ADD = 1;
public static final int OP_UPDATE = 2;
public static final int OP_REMOVE = 3; // uninstlled
public static final int OP_UNAVAILABLE = 4; // external media unmounted
public PackageUpdatedTask(int op, String[] packages, UserHandleCompat user) {
mOp = op;
mPackages = packages;
mUser = user;
}
public void run() {
if (!mHasLoaderCompletedOnce) {
// Loader has not yet run.
return;
}
final Context context = mApp.getContext();
final String[] packages = mPackages;
final int N = packages.length;
final ArrayList<String> unavailable = new ArrayList<String>();
switch (mOp) {
case OP_ADD: {
for (int i=0; i<N; i++) {
if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]);
mIconCache.updateIconsForPkg(packages[i], mUser);
mBgAllAppsList.addPackage(context, packages[i], mUser);
}
ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(context, mUser);
if (heuristic != null) {
heuristic.processPackageAdd(mPackages);
}
break;
}
case OP_UPDATE:
for (int i=0; i<N; i++) {
if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]);
mIconCache.updateIconsForPkg(packages[i], mUser);
mBgAllAppsList.updatePackage(context, packages[i], mUser);
mApp.getWidgetCache().removePackage(packages[i], mUser);
}
break;
case OP_REMOVE: {
ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(context, mUser);
if (heuristic != null) {
heuristic.processPackageRemoved(mPackages);
}
for (int i=0; i<N; i++) {
if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]);
mIconCache.removeIconsForPkg(packages[i], mUser);
}
// Fall through
}
case OP_UNAVAILABLE:
for (int i=0; i<N; i++) {
if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]);
mBgAllAppsList.removePackage(packages[i], mUser);
mApp.getWidgetCache().removePackage(packages[i], mUser);
if (mOp == OP_UNAVAILABLE) {
unavailable.add(packages[i]);
}
}
break;
}
ArrayList<AppInfo> added = null;
ArrayList<AppInfo> modified = null;
final ArrayList<AppInfo> removedApps = new ArrayList<AppInfo>();
if (mBgAllAppsList.added.size() > 0) {
added = new ArrayList<AppInfo>(mBgAllAppsList.added);
mBgAllAppsList.added.clear();
}
if (mBgAllAppsList.modified.size() > 0) {
modified = new ArrayList<AppInfo>(mBgAllAppsList.modified);
mBgAllAppsList.modified.clear();
}
if (mBgAllAppsList.removed.size() > 0) {
removedApps.addAll(mBgAllAppsList.removed);
mBgAllAppsList.removed.clear();
}
final Callbacks callbacks = getCallback();
if (callbacks == null) {
Log.w(TAG, "Nobody to tell about the new app. Launcher is probably loading.");
return;
}
final HashMap<ComponentName, AppInfo> addedOrUpdatedApps =
new HashMap<ComponentName, AppInfo>();
if (added != null) {
final ArrayList<ItemInfo> addedInfos = new ArrayList<ItemInfo>(added);
addAppsToAllApps(context, added);
for (AppInfo ai : added) {
addedOrUpdatedApps.put(ai.componentName, ai);
}
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = mCallbacks != null ? mCallbacks.get() : null;
if (callbacks == cb && cb != null) {
if (DEBUG_LOADERS) Log.d(TAG, "bindComponentsAvailable: " +
addedInfos.size());
callbacks.bindComponentsAvailable(addedInfos);
}
}
});
}
if (modified != null) {
final ArrayList<AppInfo> modifiedFinal = modified;
for (AppInfo ai : modified) {
addedOrUpdatedApps.put(ai.componentName, ai);
}
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.bindAppsUpdated(modifiedFinal);
}
}
});
}
// Update shortcut infos
if (mOp == OP_ADD || mOp == OP_UPDATE) {
final ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<ShortcutInfo>();
final ArrayList<ShortcutInfo> removedShortcuts = new ArrayList<ShortcutInfo>();
final ArrayList<LauncherAppWidgetInfo> widgets = new ArrayList<LauncherAppWidgetInfo>();
HashSet<String> packageSet = new HashSet<String>(Arrays.asList(packages));
synchronized (sBgLock) {
for (ItemInfo info : sBgItemsIdMap) {
if (info instanceof ShortcutInfo && mUser.equals(info.user)) {
ShortcutInfo si = (ShortcutInfo) info;
boolean infoUpdated = false;
boolean shortcutUpdated = false;
// Update shortcuts which use iconResource.
if ((si.iconResource != null)
&& packageSet.contains(si.iconResource.packageName)) {
Bitmap icon = Utilities.createIconBitmap(
si.iconResource.packageName,
si.iconResource.resourceName, context);
if (icon != null) {
si.setIcon(icon);
si.usingFallbackIcon = false;
infoUpdated = true;
}
}
ComponentName cn = si.getTargetComponent();
if (cn != null && packageSet.contains(cn.getPackageName())) {
AppInfo appInfo = addedOrUpdatedApps.get(cn);
if (si.isPromise()) {
if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) {
// Auto install icon
PackageManager pm = context.getPackageManager();
ResolveInfo matched = pm.resolveActivity(
new Intent(Intent.ACTION_MAIN)
.setComponent(cn).addCategory(Intent.CATEGORY_LAUNCHER),
PackageManager.MATCH_DEFAULT_ONLY);
if (matched == null) {
// Try to find the best match activity.
Intent intent = pm.getLaunchIntentForPackage(
cn.getPackageName());
if (intent != null) {
cn = intent.getComponent();
appInfo = addedOrUpdatedApps.get(cn);
}
if ((intent == null) || (appInfo == null)) {
removedShortcuts.add(si);
continue;
}
si.promisedIntent = intent;
}
}
// Restore the shortcut.
if (appInfo != null) {
si.flags = appInfo.flags;
}
si.intent = si.promisedIntent;
si.promisedIntent = null;
si.status = ShortcutInfo.DEFAULT;
infoUpdated = true;
si.updateIcon(mIconCache);
}
if (appInfo != null && Intent.ACTION_MAIN.equals(si.intent.getAction())
&& si.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
si.updateIcon(mIconCache);
si.title = Utilities.trim(appInfo.title);
si.contentDescription = appInfo.contentDescription;
infoUpdated = true;
}
if ((si.isDisabled & ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE) != 0) {
// Since package was just updated, the target must be available now.
si.isDisabled &= ~ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE;
shortcutUpdated = true;
}
}
if (infoUpdated || shortcutUpdated) {
updatedShortcuts.add(si);
}
if (infoUpdated) {
updateItemInDatabase(context, si);
}
} else if (info instanceof LauncherAppWidgetInfo) {
LauncherAppWidgetInfo widgetInfo = (LauncherAppWidgetInfo) info;
if (mUser.equals(widgetInfo.user)
&& widgetInfo.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY)
&& packageSet.contains(widgetInfo.providerName.getPackageName())) {
widgetInfo.restoreStatus &=
~LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY &
~LauncherAppWidgetInfo.FLAG_RESTORE_STARTED;
// adding this flag ensures that launcher shows 'click to setup'
// if the widget has a config activity. In case there is no config
// activity, it will be marked as 'restored' during bind.
widgetInfo.restoreStatus |= LauncherAppWidgetInfo.FLAG_UI_NOT_READY;
widgets.add(widgetInfo);
updateItemInDatabase(context, widgetInfo);
}
}
}
}
if (!updatedShortcuts.isEmpty() || !removedShortcuts.isEmpty()) {
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.bindShortcutsChanged(
updatedShortcuts, removedShortcuts, mUser);
}
}
});
if (!removedShortcuts.isEmpty()) {
deleteItemsFromDatabase(context, removedShortcuts);
}
}
if (!widgets.isEmpty()) {
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.bindWidgetsRestored(widgets);
}
}
});
}
}
final ArrayList<String> removedPackageNames =
new ArrayList<String>();
if (mOp == OP_REMOVE || mOp == OP_UNAVAILABLE) {
// Mark all packages in the broadcast to be removed
removedPackageNames.addAll(Arrays.asList(packages));
} else if (mOp == OP_UPDATE) {
// Mark disabled packages in the broadcast to be removed
for (int i=0; i<N; i++) {
if (isPackageDisabled(context, packages[i], mUser)) {
removedPackageNames.add(packages[i]);
}
}
}
if (!removedPackageNames.isEmpty() || !removedApps.isEmpty()) {
final int removeReason;
if (mOp == OP_UNAVAILABLE) {
removeReason = ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE;
// Call the packages-unavailable callback
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = mCallbacks != null ? mCallbacks.get() : null;
if (callbacks == cb && cb != null) {
if (DEBUG_LOADERS) Log.d(TAG, "bindComponentsUnavailable: " +
removedApps.size());
callbacks.bindComponentsUnavailable(unavailable, removedApps);
}
}
});
} else {
// Remove all the components associated with this package
for (String pn : removedPackageNames) {
deletePackageFromDatabase(context, pn, mUser);
}
// Remove all the specific components
for (AppInfo a : removedApps) {
ArrayList<ItemInfo> infos = getItemInfoForComponentName(a.componentName, mUser);
deleteItemsFromDatabase(context, infos);
}
removeReason = 0;
}
// Remove any queued items from the install queue
InstallShortcutReceiver.removeFromInstallQueue(context, removedPackageNames, mUser);
if (mOp == OP_UNAVAILABLE) {
// Call the packages-unavailable callback
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = mCallbacks != null ? mCallbacks.get() : null;
if (callbacks == cb && cb != null) {
callbacks.bindComponentsUnavailable(unavailable, removedApps);
}
}
});
} else {
// Call the components-removed callback
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.bindComponentsRemoved(
removedPackageNames, removedApps, mUser, removeReason);
}
}
});
}
}
// Update widgets
if (mOp == OP_ADD || mOp == OP_REMOVE || mOp == OP_UPDATE) {
// Always refresh for a package event on secondary user
boolean needToRefresh = !mUser.equals(UserHandleCompat.myUserHandle());
// Refresh widget list, if the package already had a widget.
synchronized (sBgLock) {
if (sBgWidgetProviders != null) {
HashSet<String> pkgSet = new HashSet<>();
Collections.addAll(pkgSet, mPackages);
for (ComponentKey key : sBgWidgetProviders.keySet()) {
needToRefresh |= key.user.equals(mUser) &&
pkgSet.contains(key.componentName.getPackageName());
}
}
}
if (!needToRefresh && mOp != OP_REMOVE) {
// Refresh widget list, if there is any newly added widget
PackageManager pm = context.getPackageManager();
for (String pkg : mPackages) {
List<ResolveInfo> resolveInfos = pm.queryBroadcastReceivers(
new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE)
.setPackage(pkg), 0);
if (resolveInfos != null) {
needToRefresh |= !resolveInfos.isEmpty();
}
}
}
loadAndBindWidgetsAndShortcuts(callbacks, needToRefresh);
}
// Write all the logs to disk
mHandler.post(new Runnable() {
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.dumpLogsToLocalData();
}
}
});
}
}
public static List<LauncherAppWidgetProviderInfo> getWidgetProviders(Context context,
boolean refresh) {
ArrayList<LauncherAppWidgetProviderInfo> results =
new ArrayList<LauncherAppWidgetProviderInfo>();
try {
synchronized (sBgLock) {
if (sBgWidgetProviders == null || refresh) {
HashMap<ComponentKey, LauncherAppWidgetProviderInfo> tmpWidgetProviders
= new HashMap<>();
AppWidgetManagerCompat wm = AppWidgetManagerCompat.getInstance(context);
LauncherAppWidgetProviderInfo info;
List<AppWidgetProviderInfo> widgets = wm.getAllProviders();
for (AppWidgetProviderInfo pInfo : widgets) {
info = LauncherAppWidgetProviderInfo.fromProviderInfo(context, pInfo);
UserHandleCompat user = wm.getUser(info);
tmpWidgetProviders.put(new ComponentKey(info.provider, user), info);
}
Collection<CustomAppWidget> customWidgets = Launcher.getCustomAppWidgets().values();
for (CustomAppWidget widget : customWidgets) {
info = new LauncherAppWidgetProviderInfo(context, widget);
UserHandleCompat user = wm.getUser(info);
tmpWidgetProviders.put(new ComponentKey(info.provider, user), info);
}
// Replace the global list at the very end, so that if there is an exception,
// previously loaded provider list is used.
sBgWidgetProviders = tmpWidgetProviders;
}
results.addAll(sBgWidgetProviders.values());
return results;
}
} catch (Exception e) {
if (e.getCause() instanceof TransactionTooLargeException) {
// the returned value may be incomplete and will not be refreshed until the next
// time Launcher starts.
// TODO: after figuring out a repro step, introduce a dirty bit to check when
// onResume is called to refresh the widget provider list.
synchronized (sBgLock) {
if (sBgWidgetProviders != null) {
results.addAll(sBgWidgetProviders.values());
}
return results;
}
} else {
throw e;
}
}
}
public static LauncherAppWidgetProviderInfo getProviderInfo(Context ctx, ComponentName name,
UserHandleCompat user) {
synchronized (sBgLock) {
if (sBgWidgetProviders == null) {
getWidgetProviders(ctx, false /* refresh */);
}
return sBgWidgetProviders.get(new ComponentKey(name, user));
}
}
public void loadAndBindWidgetsAndShortcuts(final Callbacks callbacks, final boolean refresh) {
runOnWorkerThread(new Runnable() {
@Override
public void run() {
updateWidgetsModel(refresh);
final WidgetsModel model = mBgWidgetsModel.clone();
mHandler.post(new Runnable() {
@Override
public void run() {
Callbacks cb = getCallback();
if (callbacks == cb && cb != null) {
callbacks.bindAllPackages(model);
}
}
});
// update the Widget entries inside DB on the worker thread.
LauncherAppState.getInstance().getWidgetCache().removeObsoletePreviews(
model.getRawList());
}
});
}
/**
* Returns a list of ResolveInfos/AppWidgetInfos.
*
* @see #loadAndBindWidgetsAndShortcuts
*/
@Thunk void updateWidgetsModel(boolean refresh) {
PackageManager packageManager = mApp.getContext().getPackageManager();
final ArrayList<Object> widgetsAndShortcuts = new ArrayList<Object>();
widgetsAndShortcuts.addAll(getWidgetProviders(mApp.getContext(), refresh));
Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT);
widgetsAndShortcuts.addAll(packageManager.queryIntentActivities(shortcutsIntent, 0));
mBgWidgetsModel.setWidgetsAndShortcuts(widgetsAndShortcuts);
}
@Thunk static boolean isPackageDisabled(Context context, String packageName,
UserHandleCompat user) {
final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context);
return !launcherApps.isPackageEnabledForProfile(packageName, user);
}
public static boolean isValidPackageActivity(Context context, ComponentName cn,
UserHandleCompat user) {
if (cn == null) {
return false;
}
final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context);
if (!launcherApps.isPackageEnabledForProfile(cn.getPackageName(), user)) {
return false;
}
return launcherApps.isActivityEnabledForProfile(cn, user);
}
public static boolean isValidPackage(Context context, String packageName,
UserHandleCompat user) {
if (packageName == null) {
return false;
}
final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context);
return launcherApps.isPackageEnabledForProfile(packageName, user);
}
/**
* Make an ShortcutInfo object for a restored application or shortcut item that points
* to a package that is not yet installed on the system.
*/
public ShortcutInfo getRestoredItemInfo(Cursor c, int titleIndex, Intent intent,
int promiseType, int itemType, CursorIconInfo iconInfo, Context context) {
final ShortcutInfo info = new ShortcutInfo();
info.user = UserHandleCompat.myUserHandle();
Bitmap icon = iconInfo.loadIcon(c, info, context);
// the fallback icon
if (icon == null) {
mIconCache.getTitleAndIcon(info, intent, info.user, false /* useLowResIcon */);
} else {
info.setIcon(icon);
}
if ((promiseType & ShortcutInfo.FLAG_RESTORED_ICON) != 0) {
String title = (c != null) ? c.getString(titleIndex) : null;
if (!TextUtils.isEmpty(title)) {
info.title = Utilities.trim(title);
}
} else if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) {
if (TextUtils.isEmpty(info.title)) {
info.title = (c != null) ? Utilities.trim(c.getString(titleIndex)) : "";
}
} else {
throw new InvalidParameterException("Invalid restoreType " + promiseType);
}
info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user);
info.itemType = itemType;
info.promisedIntent = intent;
info.status = promiseType;
return info;
}
/**
* Make an Intent object for a restored application or shortcut item that points
* to the market page for the item.
*/
@Thunk Intent getRestoredItemIntent(Cursor c, Context context, Intent intent) {
ComponentName componentName = intent.getComponent();
return getMarketIntent(componentName.getPackageName());
}
static Intent getMarketIntent(String packageName) {
return new Intent(Intent.ACTION_VIEW)
.setData(new Uri.Builder()
.scheme("market")
.authority("details")
.appendQueryParameter("id", packageName)
.build());
}
/**
* Make an ShortcutInfo object for a shortcut that is an application.
*
* If c is not null, then it will be used to fill in missing data like the title and icon.
*/
public ShortcutInfo getAppShortcutInfo(PackageManager manager, Intent intent,
UserHandleCompat user, Context context, Cursor c, int iconIndex, int titleIndex,
boolean allowMissingTarget, boolean useLowResIcon) {
if (user == null) {
Log.d(TAG, "Null user found in getShortcutInfo");
return null;
}
ComponentName componentName = intent.getComponent();
if (componentName == null) {
Log.d(TAG, "Missing component found in getShortcutInfo: " + componentName);
return null;
}
Intent newIntent = new Intent(intent.getAction(), null);
newIntent.addCategory(Intent.CATEGORY_LAUNCHER);
newIntent.setComponent(componentName);
LauncherActivityInfoCompat lai = mLauncherApps.resolveActivity(newIntent, user);
if ((lai == null) && !allowMissingTarget) {
Log.d(TAG, "Missing activity found in getShortcutInfo: " + componentName);
return null;
}
final ShortcutInfo info = new ShortcutInfo();
mIconCache.getTitleAndIcon(info, componentName, lai, user, false, useLowResIcon);
if (mIconCache.isDefaultIcon(info.getIcon(mIconCache), user) && c != null) {
Bitmap icon = Utilities.createIconBitmap(c, iconIndex, context);
info.setIcon(icon == null ? mIconCache.getDefaultIcon(user) : icon);
}
// from the db
if (TextUtils.isEmpty(info.title) && c != null) {
info.title = Utilities.trim(c.getString(titleIndex));
}
// fall back to the class name of the activity
if (info.title == null) {
info.title = componentName.getClassName();
}
info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION;
info.user = user;
info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user);
if (lai != null) {
info.flags = AppInfo.initFlags(lai);
}
return info;
}
static ArrayList<ItemInfo> filterItemInfos(Iterable<ItemInfo> infos,
ItemInfoFilter f) {
HashSet<ItemInfo> filtered = new HashSet<ItemInfo>();
for (ItemInfo i : infos) {
if (i instanceof ShortcutInfo) {
ShortcutInfo info = (ShortcutInfo) i;
ComponentName cn = info.getTargetComponent();
if (cn != null && f.filterItem(null, info, cn)) {
filtered.add(info);
}
} else if (i instanceof FolderInfo) {
FolderInfo info = (FolderInfo) i;
for (ShortcutInfo s : info.contents) {
ComponentName cn = s.getTargetComponent();
if (cn != null && f.filterItem(info, s, cn)) {
filtered.add(s);
}
}
} else if (i instanceof LauncherAppWidgetInfo) {
LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) i;
ComponentName cn = info.providerName;
if (cn != null && f.filterItem(null, info, cn)) {
filtered.add(info);
}
}
}
return new ArrayList<ItemInfo>(filtered);
}
@Thunk ArrayList<ItemInfo> getItemInfoForComponentName(final ComponentName cname,
final UserHandleCompat user) {
ItemInfoFilter filter = new ItemInfoFilter() {
@Override
public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) {
if (info.user == null) {
return cn.equals(cname);
} else {
return cn.equals(cname) && info.user.equals(user);
}
}
};
return filterItemInfos(sBgItemsIdMap, filter);
}
/**
* Make an ShortcutInfo object for a shortcut that isn't an application.
*/
@Thunk ShortcutInfo getShortcutInfo(Cursor c, Context context,
int titleIndex, CursorIconInfo iconInfo) {
final ShortcutInfo info = new ShortcutInfo();
// Non-app shortcuts are only supported for current user.
info.user = UserHandleCompat.myUserHandle();
info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT;
// TODO: If there's an explicit component and we can't install that, delete it.
info.title = Utilities.trim(c.getString(titleIndex));
Bitmap icon = iconInfo.loadIcon(c, info, context);
// the fallback icon
if (icon == null) {
icon = mIconCache.getDefaultIcon(info.user);
info.usingFallbackIcon = true;
}
info.setIcon(icon);
return info;
}
ShortcutInfo infoFromShortcutIntent(Context context, Intent data) {
Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT);
String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON);
if (intent == null) {
// If the intent is null, we can't construct a valid ShortcutInfo, so we return null
Log.e(TAG, "Can't construct ShorcutInfo with null intent");
return null;
}
Bitmap icon = null;
boolean customIcon = false;
ShortcutIconResource iconResource = null;
if (bitmap instanceof Bitmap) {
icon = Utilities.createIconBitmap((Bitmap) bitmap, context);
customIcon = true;
} else {
Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE);
if (extra instanceof ShortcutIconResource) {
iconResource = (ShortcutIconResource) extra;
icon = Utilities.createIconBitmap(iconResource.packageName,
iconResource.resourceName, context);
}
}
final ShortcutInfo info = new ShortcutInfo();
// Only support intents for current user for now. Intents sent from other
// users wouldn't get here without intent forwarding anyway.
info.user = UserHandleCompat.myUserHandle();
if (icon == null) {
icon = mIconCache.getDefaultIcon(info.user);
info.usingFallbackIcon = true;
}
info.setIcon(icon);
info.title = Utilities.trim(name);
info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user);
info.intent = intent;
info.customIcon = customIcon;
info.iconResource = iconResource;
return info;
}
/**
* Return an existing FolderInfo object if we have encountered this ID previously,
* or make a new one.
*/
@Thunk static FolderInfo findOrMakeFolder(LongArrayMap<FolderInfo> folders, long id) {
// See if a placeholder was created for us already
FolderInfo folderInfo = folders.get(id);
if (folderInfo == null) {
// No placeholder -- create a new instance
folderInfo = new FolderInfo();
folders.put(id, folderInfo);
}
return folderInfo;
}
static boolean isValidProvider(AppWidgetProviderInfo provider) {
return (provider != null) && (provider.provider != null)
&& (provider.provider.getPackageName() != null);
}
public void dumpState() {
Log.d(TAG, "mCallbacks=" + mCallbacks);
AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mBgAllAppsList.data);
AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mBgAllAppsList.added);
AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mBgAllAppsList.removed);
AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mBgAllAppsList.modified);
if (mLoaderTask != null) {
mLoaderTask.dumpState();
} else {
Log.d(TAG, "mLoaderTask=null");
}
}
public Callbacks getCallback() {
return mCallbacks != null ? mCallbacks.get() : null;
}
/**
* @return {@link FolderInfo} if its already loaded.
*/
public FolderInfo findFolderById(Long folderId) {
synchronized (sBgLock) {
return sBgFolders.get(folderId);
}
}
/**
* @return the looper for the worker thread which can be used to start background tasks.
*/
public static Looper getWorkerLooper() {
return sWorkerThread.getLooper();
}
}
