package com.cocosw.lifecycle;
import android.annotation.TargetApi;
import android.app.Activity;
import android.app.Application;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import java.util.ArrayList;
import java.util.List;
public class LifecycleDispatcher implements ActivityLifecycleCallbacksCompat, FragmentLifecycleCallbacks {
private static final LifecycleDispatcher INSTANCE = new LifecycleDispatcher();
public static LifecycleDispatcher get() {
return INSTANCE;
}
private LifecycleDispatcher() {
}
private static final boolean PRE_ICS = Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH;
/*
* Register.
*/
/**
* Registers a callback to be called following the life cycle of the application's {@link android.app.Activity activities}.
*
* @param application The application with which to register the callback.
* @param callback The callback to register.
*/
public static void registerActivityLifecycleCallbacks(Application application, ActivityLifecycleCallbacksCompat callback) {
if (PRE_ICS) {
preIcsRegisterActivityLifecycleCallbacks(callback);
} else {
postIcsRegisterActivityLifecycleCallbacks(application, callback);
}
}
private static void preIcsRegisterActivityLifecycleCallbacks(ActivityLifecycleCallbacksCompat callback) {
LifecycleDispatcher.get().registerActivityLifecycleCallbacks(callback);
}
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
private static void postIcsRegisterActivityLifecycleCallbacks(Application application, ActivityLifecycleCallbacksCompat callback) {
application.registerActivityLifecycleCallbacks(new ActivityLifecycleCallbacksWrapper(callback));
}
/**
* Unregisters a previously registered callback.
*
* @param application The application with which to unregister the callback.
* @param callback The callback to unregister.
*/
public static void unregisterActivityLifecycleCallbacks(Application application, ActivityLifecycleCallbacksCompat callback) {
if (PRE_ICS) {
preIcsUnregisterActivityLifecycleCallbacks(callback);
} else {
postIcsUnregisterActivityLifecycleCallbacks(application, callback);
}
}
private static void preIcsUnregisterActivityLifecycleCallbacks(ActivityLifecycleCallbacksCompat callback) {
LifecycleDispatcher.get().unregisterActivityLifecycleCallbacks(callback);
}
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
private static void postIcsUnregisterActivityLifecycleCallbacks(Application application, ActivityLifecycleCallbacksCompat callback) {
application.unregisterActivityLifecycleCallbacks(new ActivityLifecycleCallbacksWrapper(callback));
}
/**
* Registers a callback to be called following the life cycle of Fragments
*
* @param application The application with which to register the callback.
* @param callback The callback to register.
*/
public static void registerFragmentLifecycleCallbacks(Application application, FragmentLifecycleCallbacks callback) {
LifecycleDispatcher.get().registerFragmentLifecycleCallbacks(callback);
}
/**
* Unregisters a previously registered callback.
*
* @param application The application with which to unregister the callback.
* @param callback The callback to unregister.
*/
public static void unregisterFragmentLifecycleCallbacks(Application application, FragmentLifecycleCallbacks callback) {
LifecycleDispatcher.get().unregisterFragmentLifecycleCallbacks(callback);
}
private List<ActivityLifecycleCallbacksCompat> mActivityLifecycleCallbacks = new ArrayList<>();
private List<FragmentLifecycleCallbacks> mFragmentLifecycleCallbacks = new ArrayList<>();
private void registerActivityLifecycleCallbacks(ActivityLifecycleCallbacksCompat callback) {
synchronized (mActivityLifecycleCallbacks) {
mActivityLifecycleCallbacks.add(callback);
}
}
private void unregisterActivityLifecycleCallbacks(ActivityLifecycleCallbacksCompat callback) {
synchronized (mActivityLifecycleCallbacks) {
mActivityLifecycleCallbacks.remove(callback);
}
}
public void registerFragmentLifecycleCallbacks(FragmentLifecycleCallbacks callback) {
synchronized (mFragmentLifecycleCallbacks) {
mFragmentLifecycleCallbacks.add(callback);
}
}
public void unregisterFragmentLifecycleCallbacks(FragmentLifecycleCallbacks callback) {
synchronized (mFragmentLifecycleCallbacks) {
mFragmentLifecycleCallbacks.remove(callback);
}
}
private Object[] collectActivityLifecycleCallbacks() {
Object[] callbacks = null;
synchronized (mActivityLifecycleCallbacks) {
if (mActivityLifecycleCallbacks.size() > 0) {
callbacks = mActivityLifecycleCallbacks.toArray();
}
}
return callbacks;
}
private Object[] collectFragmentLifecycleCallbacks() {
Object[] callbacks = null;
synchronized (mFragmentLifecycleCallbacks) {
if (mFragmentLifecycleCallbacks.size() > 0) {
callbacks = mFragmentLifecycleCallbacks.toArray();
}
}
return callbacks;
}
@Override
public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
if (!PRE_ICS)
return;
Object[] callbacks = collectActivityLifecycleCallbacks();
if (callbacks != null) {
for (Object callback : callbacks) {
((ActivityLifecycleCallbacksCompat) callback).onActivityCreated(activity, savedInstanceState);
}
}
}
@Override
public void onActivityStarted(Activity activity) {
if (!PRE_ICS)
return;
Object[] callbacks = collectActivityLifecycleCallbacks();
if (callbacks != null) {
for (Object callback : callbacks) {
((ActivityLifecycleCallbacksCompat) callback).onActivityStarted(activity);
}
}
}
@Override
public void onActivityResumed(Activity activity) {
if (!PRE_ICS)
return;
Object[] callbacks = collectActivityLifecycleCallbacks();
if (callbacks != null) {
for (Object callback : callbacks) {
((ActivityLifecycleCallbacksCompat) callback).onActivityResumed(activity);
}
}
}
@Override
public void onActivityPaused(Activity activity) {
if (!PRE_ICS)
return;
Object[] callbacks = collectActivityLifecycleCallbacks();
if (callbacks != null) {
for (Object callback : callbacks) {
((ActivityLifecycleCallbacksCompat) callback).onActivityPaused(activity);
}
}
}
@Override
public void onActivityStopped(Activity activity) {
if (!PRE_ICS)
return;
Object[] callbacks = collectActivityLifecycleCallbacks();
if (callbacks != null) {
for (Object callback : callbacks) {
((ActivityLifecycleCallbacksCompat) callback).onActivityStopped(activity);
}
}
}
@Override
public void onActivitySaveInstanceState(Activity activity, Bundle outState) {
if (!PRE_ICS)
return;
Object[] callbacks = collectActivityLifecycleCallbacks();
if (callbacks != null) {
for (Object callback : callbacks) {
((ActivityLifecycleCallbacksCompat) callback).onActivitySaveInstanceState(activity, outState);
}
}
}
@Override
public void onActivityDestroyed(Activity activity) {
if (!PRE_ICS)
return;
Object[] callbacks = collectActivityLifecycleCallbacks();
if (callbacks != null) {
for (Object callback : callbacks) {
((ActivityLifecycleCallbacksCompat) callback).onActivityDestroyed(activity);
}
}
}
public void onFragmentActivityCreated(Fragment fragment,
Bundle savedInstanceState) {
Object[] callbacks = collectFragmentLifecycleCallbacks();
if (callbacks != null) {
for (int i = 0; i < callbacks.length; i++) {
((FragmentLifecycleCallbacks) callbacks[i]).onFragmentActivityCreated(fragment, savedInstanceState);
}
}
}
public void onFragmentAttach(Fragment fragment,
Activity activity) {
Object[] callbacks = collectFragmentLifecycleCallbacks();
if (callbacks != null) {
for (int i = 0; i < callbacks.length; i++) {
((FragmentLifecycleCallbacks) callbacks[i]).onFragmentAttach(fragment, activity);
}
}
}
public void onFragmentDetach(Fragment fragment) {
Object[] callbacks = collectFragmentLifecycleCallbacks();
if (callbacks != null) {
for (int i = 0; i < callbacks.length; i++) {
((FragmentLifecycleCallbacks) callbacks[i]).onFragmentDetach(fragment);
}
}
}
public void onFragmentCreated(Fragment fragment,
Bundle savedInstanceState) {
Object[] callbacks = collectFragmentLifecycleCallbacks();
if (callbacks != null) {
for (int i = 0; i < callbacks.length; i++) {
((FragmentLifecycleCallbacks) callbacks[i]).onFragmentCreated(fragment, savedInstanceState);
}
}
}
public void onFragmentStarted(Fragment fragment) {
Object[] callbacks = collectFragmentLifecycleCallbacks();
if (callbacks != null) {
for (int i = 0; i < callbacks.length; i++) {
((FragmentLifecycleCallbacks) callbacks[i]).onFragmentStarted(fragment);
}
}
}
public void onFragmentResumed(Fragment fragment) {
Object[] callbacks = collectFragmentLifecycleCallbacks();
if (callbacks != null) {
for (int i = 0; i < callbacks.length; i++) {
((FragmentLifecycleCallbacks) callbacks[i]).onFragmentResumed(fragment);
}
}
}
public void onFragmentPaused(Fragment fragment) {
Object[] callbacks = collectFragmentLifecycleCallbacks();
if (callbacks != null) {
for (int i = 0; i < callbacks.length; i++) {
((FragmentLifecycleCallbacks) callbacks[i]).onFragmentPaused(fragment);
}
}
}
public void onFragmentStopped(Fragment fragment) {
Object[] callbacks = collectFragmentLifecycleCallbacks();
if (callbacks != null) {
for (int i = 0; i < callbacks.length; i++) {
((FragmentLifecycleCallbacks) callbacks[i]).onFragmentStopped(fragment);
}
}
}
public void onFragmentSaveInstanceState(Fragment fragment,
Bundle outState) {
Object[] callbacks = collectFragmentLifecycleCallbacks();
if (callbacks != null) {
for (int i = 0; i < callbacks.length; i++) {
((FragmentLifecycleCallbacks) callbacks[i]).onFragmentSaveInstanceState(fragment, outState);
}
}
}
public void onFragmentDestroyed(Fragment fragment) {
Object[] callbacks = collectFragmentLifecycleCallbacks();
if (callbacks != null) {
for (int i = 0; i < callbacks.length; i++) {
((FragmentLifecycleCallbacks) callbacks[i]).onFragmentDestroyed(fragment);
}
}
}
public void onFragmentCreateView(Fragment fragment,
LayoutInflater inflater,
ViewGroup container,
Bundle savedInstanceState) {
Object[] callbacks = collectFragmentLifecycleCallbacks();
if (callbacks != null) {
for (int i = 0; i < callbacks.length; i++) {
((FragmentLifecycleCallbacks) callbacks[i]).onFragmentCreateView(fragment, inflater, container, savedInstanceState);
}
}
}
public void onFragmentViewCreated(Fragment fragment,
View view,
Bundle savedInstanceState) {
Object[] callbacks = collectFragmentLifecycleCallbacks();
if (callbacks != null) {
for (int i = 0; i < callbacks.length; i++) {
((FragmentLifecycleCallbacks) callbacks[i]).onFragmentViewCreated(fragment, view, savedInstanceState);
}
}
}
}
