Improve animation dump/logging

Bug: 74220420
Test: go/wm-smoke
Test: adb shell dumpsys window during animation
Change-Id: Ib8bddb4f38ad4fe7a80315d3bfdac0a80aea4cc8
diff --git a/services/core/java/com/android/server/wm/RecentsAnimationController.java b/services/core/java/com/android/server/wm/RecentsAnimationController.java
index 39b886d..59bec74 100644
--- a/services/core/java/com/android/server/wm/RecentsAnimationController.java
+++ b/services/core/java/com/android/server/wm/RecentsAnimationController.java
@@ -23,6 +23,8 @@
 import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
 import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME;
 import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
+import static com.android.server.wm.proto.RemoteAnimationAdapterWrapperProto.TARGET;
+import static com.android.server.wm.proto.AnimationAdapterProto.REMOTE;
 
 import android.app.ActivityManager.TaskSnapshot;
 import android.app.WindowConfiguration;
@@ -33,18 +35,21 @@
 import android.os.SystemClock;
 import android.util.ArraySet;
 import android.util.Log;
-import android.util.Slog;
+import android.util.Slog;import android.util.proto.ProtoOutputStream;
 import android.util.SparseBooleanArray;
+import android.util.proto.ProtoOutputStream;
 import android.view.IRecentsAnimationController;
 import android.view.IRecentsAnimationRunner;
 import android.view.RemoteAnimationTarget;
 import android.view.SurfaceControl;
 import android.view.SurfaceControl.Transaction;
-import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback;
+
 import com.google.android.collect.Sets;
+
+import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback;
+
 import java.io.PrintWriter;
 import java.util.ArrayList;
-
 /**
  * Controls a single instance of the remote driven recents animation. In particular, this allows
  * the calling SystemUI to animate the visible task windows as a part of the transition. The remote
@@ -348,6 +353,7 @@
         private SurfaceControl mCapturedLeash;
         private OnAnimationFinishedCallback mCapturedFinishCallback;
         private final boolean mIsRecentTaskInvisible;
+        private RemoteAnimationTarget mTarget;
 
         TaskAnimationAdapter(Task task, boolean isRecentTaskInvisible) {
             mTask = task;
@@ -361,10 +367,11 @@
             container.getRelativePosition(position);
             container.getBounds(bounds);
             final WindowState mainWindow = mTask.getTopVisibleAppMainWindow();
-            return new RemoteAnimationTarget(mTask.mTaskId, MODE_CLOSING, mCapturedLeash,
+            mTarget = new RemoteAnimationTarget(mTask.mTaskId, MODE_CLOSING, mCapturedLeash,
                     !mTask.fillsParent(), mainWindow.mWinAnimator.mLastClipRect,
                     mainWindow.mContentInsets, mTask.getPrefixOrderIndex(), position, bounds,
                     mTask.getWindowConfiguration(), mIsRecentTaskInvisible);
+            return mTarget;
         }
 
         @Override
@@ -403,6 +410,26 @@
         public long getStatusBarTransitionsStartTime() {
             return SystemClock.uptimeMillis();
         }
+
+        @Override
+        public void dump(PrintWriter pw, String prefix) {
+            pw.print(prefix); pw.println("task=" + mTask);
+            if (mTarget != null) {
+                pw.print(prefix); pw.println("Target:");
+                mTarget.dump(pw, prefix + "  ");
+            } else {
+                pw.print(prefix); pw.println("Target: null");
+            }
+        }
+
+        @Override
+        public void writeToProto(ProtoOutputStream proto) {
+            final long token = proto.start(REMOTE);
+            if (mTarget != null) {
+                mTarget.writeToProto(proto, TARGET);
+            }
+            proto.end(token);
+        }
     }
 
     public void dump(PrintWriter pw, String prefix) {