package itkach.aard2;
import android.Manifest;
import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.app.FragmentTransaction;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.content.ContextCompat;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.util.Patterns;
import android.view.KeyEvent;
import android.view.MenuItem;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.Toast;
import itkach.slob.Slob;
public class MainActivity extends FragmentActivity implements
ActionBar.TabListener {
private static final String TAG = MainActivity.class.getSimpleName();
private AppSectionsPagerAdapter appSectionsPagerAdapter;
private ViewPager viewPager;
private final static int PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE = 1;
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
switch (requestCode) {
case PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE: {
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
viewPager.setCurrentItem(3);
DictionariesFragment df = (DictionariesFragment) appSectionsPagerAdapter.getItem(3);
df.findDictionaries();
} else {
Toast.makeText(this,
R.string.msg_unable_to_function_without_storage_access,
Toast.LENGTH_LONG).show();
finish();
}
return;
}
}
}
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final Application app = (Application)getApplication();
app.installTheme(this);
setContentView(R.layout.activity_main);
appSectionsPagerAdapter = new AppSectionsPagerAdapter(
getSupportFragmentManager());
final ActionBar actionBar = getActionBar();
actionBar.setHomeButtonEnabled(true);
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
viewPager = (ViewPager) findViewById(R.id.pager);
viewPager.setOffscreenPageLimit(appSectionsPagerAdapter.getCount());
viewPager.setAdapter(appSectionsPagerAdapter);
final String[] subtitles = new String[] {
getString(R.string.subtitle_lookup),
getString(R.string.subtitle_bookmark),
getString(R.string.subtitle_history),
getString(R.string.subtitle_dictionaries),
getString(R.string.subtitle_settings),
};
viewPager
.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
@Override
public void onPageSelected(int position) {
actionBar.setSelectedNavigationItem(position);
actionBar.setSubtitle(subtitles[position]);
}
});
Drawable[] tabIcons = new Drawable[5];
tabIcons[0] = IconMaker.tab(this, IconMaker.IC_SEARCH);
tabIcons[1] = IconMaker.tab(this, IconMaker.IC_BOOKMARK);
tabIcons[2] = IconMaker.tab(this, IconMaker.IC_HISTORY);
tabIcons[3] = IconMaker.tab(this, IconMaker.IC_DICTIONARY);
tabIcons[4] = IconMaker.tab(this, IconMaker.IC_SETTINGS);
// For each of the sections in the app, add a tab to the action bar.
for (int i = 0; i < appSectionsPagerAdapter.getCount(); i++) {
Tab tab = actionBar.newTab();
tab.setTabListener(this);
tab.setIcon(tabIcons[i]);
actionBar.addTab(tab);
}
if (savedInstanceState != null) {
onRestoreInstanceState(savedInstanceState);
} else {
if (app.dictionaries.size() == 0) {
viewPager.setCurrentItem(3);
DictionariesFragment df = (DictionariesFragment) appSectionsPagerAdapter.getItem(3);
df.findDictionaries();
}
}
if (ContextCompat.checkSelfPermission(this,
Manifest.permission.READ_EXTERNAL_STORAGE)
!= PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this,
new String[]{Manifest.permission.READ_EXTERNAL_STORAGE},
PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE);
} else {
// Permission has already been granted
}
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
int currentSection = savedInstanceState.getInt("currentSection");
viewPager.setCurrentItem(currentSection);
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt("currentSection", viewPager.getCurrentItem());
}
@Override
public void onTabUnselected(ActionBar.Tab tab,
FragmentTransaction fragmentTransaction) {
Fragment frag = appSectionsPagerAdapter.getItem(tab.getPosition());
if (frag instanceof BaseListFragment) {
((BaseListFragment)frag).finishActionMode();
}
if (tab.getPosition() == 0) {
View v = this.getCurrentFocus();
if (v != null){
InputMethodManager mgr = (InputMethodManager)getSystemService(INPUT_METHOD_SERVICE);
mgr.hideSoftInputFromWindow(v.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
}
}
}
@Override
public void onTabSelected(ActionBar.Tab tab,
FragmentTransaction fragmentTransaction) {
viewPager.setCurrentItem(tab.getPosition());
}
@Override
public void onTabReselected(ActionBar.Tab tab,
FragmentTransaction fragmentTransaction) {
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
Application app = (Application)getApplication();
Slob.Blob blob = app.random();
if (blob == null) {
Toast.makeText(this,
R.string.article_collection_nothing_found,
Toast.LENGTH_SHORT).show();
return true;
}
Intent intent = new Intent(this,
ArticleCollectionActivity.class);
intent.setData(Uri.parse(app.getUrl(blob)));
startActivity(intent);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
protected void onPause() {
//Looks like shown soft input sometimes causes a system ui visibility
//change event that breaks article activity launched from here out of full screen mode.
//Hiding it appears to reduce that.
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE);
try {
inputMethodManager.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(), 0);
}
catch (Exception e) {
Log.w(TAG, "Hiding soft input failed", e);
}
super.onPause();
}
@Override
public void onBackPressed() {
int currentItem = viewPager.getCurrentItem();
Fragment frag = appSectionsPagerAdapter.getItem(currentItem);
Log.d(TAG, "current tab: " + currentItem);
if (frag instanceof BlobDescriptorListFragment) {
BlobDescriptorListFragment bdFrag = (BlobDescriptorListFragment)frag;
if (bdFrag.isFilterExpanded()) {
Log.d(TAG, "Filter is expanded");
bdFrag.collapseFilter();
return;
}
}
super.onBackPressed();
}
public static final class BookmarksFragment extends
BlobDescriptorListFragment {
@Override
String getItemClickAction() {
return "showBookmarks";
}
@Override
BlobDescriptorList getDescriptorList() {
Application app = (Application) getActivity().getApplication();
return app.bookmarks;
}
@Override
char getEmptyIcon() {
return IconMaker.IC_BOOKMARK;
}
@Override
String getEmptyText() {
return getString(R.string.main_empty_bookmarks);
}
@Override
int getDeleteConfirmationItemCountResId() {
return R.plurals.confirm_delete_bookmark_count;
}
@Override
String getPreferencesNS() {
return "bookmarks";
}
}
public static class HistoryFragment extends BlobDescriptorListFragment {
@Override
String getItemClickAction() {
return "showHistory";
}
@Override
BlobDescriptorList getDescriptorList() {
Application app = (Application) getActivity()
.getApplication();
return app.history;
}
@Override
char getEmptyIcon() {
return IconMaker.IC_HISTORY;
}
@Override
String getEmptyText() {
return getString(R.string.main_empty_history);
}
@Override
int getDeleteConfirmationItemCountResId() {
return R.plurals.confirm_delete_history_count;
}
@Override
String getPreferencesNS() {
return "history";
}
}
public static class AppSectionsPagerAdapter extends FragmentPagerAdapter {
private Fragment[] fragments;
LookupFragment tabLookup;
BlobDescriptorListFragment tabBookmarks;
BlobDescriptorListFragment tabHistory;
DictionariesFragment tabDictionaries;
SettingsFragment tabSettings;
public AppSectionsPagerAdapter(FragmentManager fm) {
super(fm);
tabLookup = new LookupFragment();
tabBookmarks = new BookmarksFragment();
tabHistory = new HistoryFragment();
tabDictionaries = new DictionariesFragment();
tabSettings = new SettingsFragment();
fragments = new Fragment[] { tabLookup, tabBookmarks, tabHistory,
tabDictionaries, tabSettings };
}
@Override
public Fragment getItem(int i) {
return fragments[i];
}
@Override
public int getCount() {
return fragments.length;
}
@Override
public CharSequence getPageTitle(int position) {
return "";
}
}
@Override
public void onWindowFocusChanged(boolean hasFocus) {
ClipboardManager cm = (ClipboardManager)getSystemService(CLIPBOARD_SERVICE);
ClipData clipData = cm.getPrimaryClip();
if (clipData == null) {
return;
}
int count = clipData.getItemCount();
for (int i = 0; i < count; i++) {
ClipData.Item item = clipData.getItemAt(i);
CharSequence text = item.getText();
if (text != null && text.length() > 0) {
if (Patterns.WEB_URL.matcher(text).find()) {
Log.d(TAG, "Text contains web url, not pasting: " + text);
return;
}
viewPager.setCurrentItem(0);
cm.setPrimaryClip(ClipData.newPlainText(null, ""));
appSectionsPagerAdapter.tabLookup.setQuery(text.toString());
break;
}
}
}
private boolean useVolumeForNav() {
Application app = (Application)getApplication();
return app.useVolumeForNav();
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
if (event.isCanceled()) {
return true;
}
if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
if (!useVolumeForNav()) {
return false;
}
int current = viewPager.getCurrentItem();
if (current > 0) {
viewPager.setCurrentItem(current - 1);
}
else {
viewPager.setCurrentItem(appSectionsPagerAdapter.getCount() - 1);
}
return true;
}
if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
if (!useVolumeForNav()) {
return false;
}
int current = viewPager.getCurrentItem();
if (current < appSectionsPagerAdapter.getCount() - 1) {
viewPager.setCurrentItem(current + 1);
}
else {
viewPager.setCurrentItem(0);
}
return true;
}
return super.onKeyUp(keyCode, event);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_VOLUME_UP || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
if (!useVolumeForNav()) {
return false;
}
return true;
}
return super.onKeyDown(keyCode, event);
}
}
