commit f367ced932e802b411d36d9c702bd02db54e8dec
author vadimt <vadimt@google.com> Tue Sep 08 15:36:07 2020 -0700
committer vadimt <vadimt@google.com> Tue Sep 08 18:39:32 2020 -0700
tree a7e25e83012e17edac9d84d650abd1bae0bb5ff1
parent 57cf650115b678a1a8ddd5e1f03845ced80c5fc9

Annotating open-app transitions in trace files

Change-Id: I2461186321b7c33dbabca34c066b61f2169010f3

quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java

diff --git a/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java b/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java
index e2449a4..dddcc86 100644
--- a/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java
+++ b/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java
@@ -904,6 +904,9 @@
      */
     private class AppLaunchAnimationRunner implements WrappedAnimationRunnerImpl {
 
+        private static final String TRANSITION_LAUNCH_FROM_RECENTS = "transition:LaunchFromRecents";
+        private static final String TRANSITION_LAUNCH_FROM_ICON = "transition:LaunchFromIcon";
+
         private final Handler mHandler;
         private final View mV;
 
@@ -926,7 +929,8 @@
             boolean launcherClosing =
                     launcherIsATargetWithMode(appTargets, MODE_CLOSING);
 
-            if (isLaunchingFromRecents(mV, appTargets)) {
+            final boolean launchingFromRecents = isLaunchingFromRecents(mV, appTargets);
+            if (launchingFromRecents) {
                 composeRecentsLaunchAnimator(anim, mV, appTargets, wallpaperTargets,
                         launcherClosing);
             } else {
@@ -934,6 +938,26 @@
                         launcherClosing);
             }
 
+            if (Trace.isEnabled()) {
+                final String section =
+                        launchingFromRecents
+                                ? TRANSITION_LAUNCH_FROM_RECENTS : TRANSITION_LAUNCH_FROM_ICON;
+
+                anim.addListener(new AnimatorListenerAdapter() {
+                    @Override
+                    public void onAnimationStart(Animator animation) {
+                        Trace.beginAsyncSection(section, 0);
+                        super.onAnimationStart(animation);
+                    }
+
+                    @Override
+                    public void onAnimationEnd(Animator animation) {
+                        super.onAnimationEnd(animation);
+                        Trace.endAsyncSection(section, 0);
+                    }
+                });
+            }
+
             if (launcherClosing) {
                 anim.addListener(mForceInvisibleListener);
             }