Add AppTransitionListener
Introduces the concept of a listener to be notified about app
transition events. The only client at the moment is window manager
which notifies activity manager about completed transitions, but this
can be used for various clients, including the status bar.
Bug: 19233606
Change-Id: Ia6fec5837b6eb4db90f3cb1c999d3f157ba6dd4a
diff --git a/services/core/java/com/android/server/wm/AppTransition.java b/services/core/java/com/android/server/wm/AppTransition.java
index 2afeaab..ef70895 100644
--- a/services/core/java/com/android/server/wm/AppTransition.java
+++ b/services/core/java/com/android/server/wm/AppTransition.java
@@ -17,16 +17,13 @@
package com.android.server.wm;
import android.content.Context;
-import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
import android.os.Debug;
import android.os.Handler;
+import android.os.IBinder;
import android.os.IRemoteCallback;
-import android.os.UserHandle;
-import android.util.Log;
import android.util.Slog;
import android.view.WindowManager;
import android.view.animation.AlphaAnimation;
@@ -47,7 +44,9 @@
import com.android.server.wm.WindowManagerService.H;
import java.io.PrintWriter;
+import java.util.ArrayList;
+import static android.view.WindowManagerInternal.AppTransitionListener;
import static com.android.internal.R.styleable.WindowAnimation_activityOpenEnterAnimation;
import static com.android.internal.R.styleable.WindowAnimation_activityOpenExitAnimation;
import static com.android.internal.R.styleable.WindowAnimation_activityCloseEnterAnimation;
@@ -185,6 +184,8 @@
private int mCurrentUserId = 0;
+ private final ArrayList<AppTransitionListener> mListeners = new ArrayList<>();
+
AppTransition(Context context, Handler h) {
mContext = context;
mH = h;
@@ -291,12 +292,18 @@
void prepare() {
if (!isRunning()) {
mAppTransitionState = APP_STATE_IDLE;
+ notifyAppTransitionPendingLocked();
}
}
- void goodToGo() {
+ void goodToGo(AppWindowAnimator openingAppAnimator, AppWindowAnimator closingAppAnimator) {
mNextAppTransition = TRANSIT_UNSET;
mAppTransitionState = APP_STATE_RUNNING;
+ notifyAppTransitionStartingLocked(
+ openingAppAnimator != null ? openingAppAnimator.mAppToken.token : null,
+ closingAppAnimator != null ? closingAppAnimator.mAppToken.token : null,
+ openingAppAnimator != null ? openingAppAnimator.animation : null,
+ closingAppAnimator != null ? closingAppAnimator.animation : null);
}
void clear() {
@@ -309,6 +316,38 @@
setAppTransition(AppTransition.TRANSIT_UNSET);
clear();
setReady();
+ notifyAppTransitionCancelledLocked();
+ }
+
+ void registerListenerLocked(AppTransitionListener listener) {
+ mListeners.add(listener);
+ }
+
+ public void notifyAppTransitionFinishedLocked(AppWindowAnimator animator) {
+ IBinder token = animator != null ? animator.mAppToken.token : null;
+ for (int i = 0; i < mListeners.size(); i++) {
+ mListeners.get(i).onAppTransitionFinishedLocked(token);
+ }
+ }
+
+ private void notifyAppTransitionPendingLocked() {
+ for (int i = 0; i < mListeners.size(); i++) {
+ mListeners.get(i).onAppTransitionPendingLocked();
+ }
+ }
+
+ private void notifyAppTransitionCancelledLocked() {
+ for (int i = 0; i < mListeners.size(); i++) {
+ mListeners.get(i).onAppTransitionCancelledLocked();
+ }
+ }
+
+ private void notifyAppTransitionStartingLocked(IBinder openToken,
+ IBinder closeToken, Animation openAnimation, Animation closeAnimation) {
+ for (int i = 0; i < mListeners.size(); i++) {
+ mListeners.get(i).onAppTransitionStartingLocked(openToken, closeToken, openAnimation,
+ closeAnimation);
+ }
}
private AttributeCache.Entry getCachedAnimations(WindowManager.LayoutParams lp) {