Merge "Revert "Revert "Exposing content insets and minimized home bounds for recents transition"""
diff --git a/core/java/android/view/IRecentsAnimationRunner.aidl b/core/java/android/view/IRecentsAnimationRunner.aidl
index ea6226b..69973e6 100644
--- a/core/java/android/view/IRecentsAnimationRunner.aidl
+++ b/core/java/android/view/IRecentsAnimationRunner.aidl
@@ -16,6 +16,7 @@
 
 package android.view;
 
+import android.graphics.Rect;
 import android.view.RemoteAnimationTarget;
 import android.view.IRecentsAnimationController;
 
@@ -28,15 +29,26 @@
 oneway interface IRecentsAnimationRunner {
 
     /**
-     * Called when the system is ready for the handler to start animating all the visible tasks.
+     * Deprecated, to be removed once Launcher updates
      */
     void onAnimationStart(in IRecentsAnimationController controller,
-            in RemoteAnimationTarget[] apps);
+            in RemoteAnimationTarget[] apps) = 0;
 
     /**
      * Called when the system needs to cancel the current animation. This can be due to the
      * wallpaper not drawing in time, or the handler not finishing the animation within a predefined
      * amount of time.
      */
-    void onAnimationCanceled();
+    void onAnimationCanceled() = 1;
+
+    /**
+     * Called when the system is ready for the handler to start animating all the visible tasks.
+     *
+     * @param homeContentInsets The current home app content insets
+     * @param minimizedHomeBounds Specifies the bounds of the minimized home app, will be
+     *                            {@code null} if the device is not currently in split screen
+     */
+    void onAnimationStart_New(in IRecentsAnimationController controller,
+            in RemoteAnimationTarget[] apps, in Rect homeContentInsets,
+            in Rect minimizedHomeBounds) = 2;
 }
diff --git a/core/java/android/view/RemoteAnimationTarget.java b/core/java/android/view/RemoteAnimationTarget.java
index c28c389..facf575 100644
--- a/core/java/android/view/RemoteAnimationTarget.java
+++ b/core/java/android/view/RemoteAnimationTarget.java
@@ -79,6 +79,11 @@
     public final Rect clipRect;
 
     /**
+     * The insets of the main app window.
+     */
+    public final Rect contentInsets;
+
+    /**
      * The index of the element in the tree in prefix order. This should be used for z-layering
      * to preserve original z-layer order in the hierarchy tree assuming no "boosting" needs to
      * happen.
@@ -105,13 +110,14 @@
     public final WindowConfiguration windowConfiguration;
 
     public RemoteAnimationTarget(int taskId, int mode, SurfaceControl leash, boolean isTranslucent,
-            Rect clipRect, int prefixOrderIndex, Point position, Rect sourceContainerBounds,
-            WindowConfiguration windowConfig) {
+            Rect clipRect, Rect contentInsets, int prefixOrderIndex, Point position,
+            Rect sourceContainerBounds, WindowConfiguration windowConfig) {
         this.mode = mode;
         this.taskId = taskId;
         this.leash = leash;
         this.isTranslucent = isTranslucent;
         this.clipRect = new Rect(clipRect);
+        this.contentInsets = new Rect(contentInsets);
         this.prefixOrderIndex = prefixOrderIndex;
         this.position = new Point(position);
         this.sourceContainerBounds = new Rect(sourceContainerBounds);
@@ -124,6 +130,7 @@
         leash = in.readParcelable(null);
         isTranslucent = in.readBoolean();
         clipRect = in.readParcelable(null);
+        contentInsets = in.readParcelable(null);
         prefixOrderIndex = in.readInt();
         position = in.readParcelable(null);
         sourceContainerBounds = in.readParcelable(null);
@@ -142,6 +149,7 @@
         dest.writeParcelable(leash, 0 /* flags */);
         dest.writeBoolean(isTranslucent);
         dest.writeParcelable(clipRect, 0 /* flags */);
+        dest.writeParcelable(contentInsets, 0 /* flags */);
         dest.writeInt(prefixOrderIndex);
         dest.writeParcelable(position, 0 /* flags */);
         dest.writeParcelable(sourceContainerBounds, 0 /* flags */);
diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/system/ActivityManagerWrapper.java b/packages/SystemUI/shared/src/com/android/systemui/shared/system/ActivityManagerWrapper.java
index 90e3b1e..62bd72f 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/system/ActivityManagerWrapper.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/system/ActivityManagerWrapper.java
@@ -43,6 +43,7 @@
 import android.content.res.Resources;
 import android.content.res.Resources.NotFoundException;
 import android.graphics.Bitmap;
+import android.graphics.Rect;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
@@ -57,6 +58,7 @@
 import android.view.IRecentsAnimationRunner;
 
 import android.view.RemoteAnimationTarget;
+import android.view.WindowManagerGlobal;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.Task.TaskKey;
 import com.android.systemui.shared.recents.model.ThumbnailData;
@@ -271,11 +273,20 @@
                 runner = new IRecentsAnimationRunner.Stub() {
                     public void onAnimationStart(IRecentsAnimationController controller,
                             RemoteAnimationTarget[] apps) {
+                        final Rect stableInsets = new Rect();
+                        WindowManagerWrapper.getInstance().getStableInsets(stableInsets);
+                        onAnimationStart_New(controller, apps, stableInsets, null);
+                    }
+
+                    public void onAnimationStart_New(IRecentsAnimationController controller,
+                            RemoteAnimationTarget[] apps, Rect homeContentInsets,
+                            Rect minimizedHomeBounds) {
                         final RecentsAnimationControllerCompat controllerCompat =
                                 new RecentsAnimationControllerCompat(controller);
                         final RemoteAnimationTargetCompat[] appsCompat =
                                 RemoteAnimationTargetCompat.wrap(apps);
-                        animationHandler.onAnimationStart(controllerCompat, appsCompat);
+                        animationHandler.onAnimationStart(controllerCompat, appsCompat,
+                                homeContentInsets, minimizedHomeBounds);
                     }
 
                     public void onAnimationCanceled() {
diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/system/RecentsAnimationListener.java b/packages/SystemUI/shared/src/com/android/systemui/shared/system/RecentsAnimationListener.java
index bf6179d..a473db1 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/system/RecentsAnimationListener.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/system/RecentsAnimationListener.java
@@ -16,13 +16,15 @@
 
 package com.android.systemui.shared.system;
 
+import android.graphics.Rect;
+
 public interface RecentsAnimationListener {
 
     /**
      * Called when the animation into Recents can start. This call is made on the binder thread.
      */
     void onAnimationStart(RecentsAnimationControllerCompat controller,
-            RemoteAnimationTargetCompat[] apps);
+            RemoteAnimationTargetCompat[] apps, Rect homeContentInsets, Rect minimizedHomeBounds);
 
     /**
      * Called when the animation into Recents was canceled. This call is made on the binder thread.
diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/system/RemoteAnimationTargetCompat.java b/packages/SystemUI/shared/src/com/android/systemui/shared/system/RemoteAnimationTargetCompat.java
index 3871980..b8c5049 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/system/RemoteAnimationTargetCompat.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/system/RemoteAnimationTargetCompat.java
@@ -16,6 +16,9 @@
 
 package com.android.systemui.shared.system;
 
+import static android.app.WindowConfiguration.ACTIVITY_TYPE_ASSISTANT;
+
+import android.app.WindowConfiguration;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.view.RemoteAnimationTarget;
@@ -37,7 +40,10 @@
     public final Point position;
     public final Rect sourceContainerBounds;
 
+    private final RemoteAnimationTarget mTarget;
+
     public RemoteAnimationTargetCompat(RemoteAnimationTarget app) {
+        mTarget = app;
         taskId = app.taskId;
         mode = app.mode;
         leash = new SurfaceControlCompat(app.leash);
@@ -56,4 +62,18 @@
         }
         return appsCompat;
     }
+
+    /**
+     * TODO: Get as a method for compatibility (will move into ctor once Launcher updates)
+     */
+    public Rect getContentInsets() {
+        return mTarget.contentInsets;
+    }
+
+    /**
+     * TODO: Get as a method for compatibility (will move into ctor once Launcher updates)
+     */
+    public boolean isAssistantActivityType() {
+        return mTarget.windowConfiguration.getActivityType() == ACTIVITY_TYPE_ASSISTANT;
+    }
 }
\ No newline at end of file
diff --git a/services/core/java/com/android/server/am/RecentsAnimation.java b/services/core/java/com/android/server/am/RecentsAnimation.java
index e7b067b..db4e09f 100644
--- a/services/core/java/com/android/server/am/RecentsAnimation.java
+++ b/services/core/java/com/android/server/am/RecentsAnimation.java
@@ -20,6 +20,7 @@
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
 import static android.content.Intent.FLAG_ACTIVITY_NO_ANIMATION;
+import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER;
 import static android.view.WindowManager.TRANSIT_NONE;
 import static com.android.server.am.ActivityStackSupervisor.PRESERVE_WINDOWS;
 
@@ -27,6 +28,7 @@
 import android.content.ComponentName;
 import android.content.Intent;
 import android.os.Handler;
+import android.os.Trace;
 import android.view.IRecentsAnimationRunner;
 import com.android.server.wm.RecentsAnimationController.RecentsAnimationCallbacks;
 import com.android.server.wm.WindowManagerService;
@@ -70,6 +72,7 @@
 
     void startRecentsActivity(Intent intent, IRecentsAnimationRunner recentsAnimationRunner,
             ComponentName recentsComponent, int recentsUid) {
+        Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "RecentsAnimation#startRecentsActivity");
         mWindowManager.deferSurfaceLayout();
         try {
             // Cancel the previous recents animation if necessary
@@ -124,6 +127,7 @@
             mHandler.postDelayed(mCancelAnimationRunnable, RECENTS_ANIMATION_TIMEOUT);
         } finally {
             mWindowManager.continueSurfaceLayout();
+            Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
         }
     }
 
@@ -134,6 +138,8 @@
             if (mWindowManager.getRecentsAnimationController() == null) return;
 
             mWindowManager.inSurfaceTransaction(() -> {
+                Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER,
+                        "RecentsAnimation#onAnimationFinished_inSurfaceTransaction");
                 mWindowManager.deferSurfaceLayout();
                 try {
                     mWindowManager.cleanupRecentsAnimation();
@@ -167,6 +173,7 @@
                     mWindowManager.executeAppTransition();
                 } finally {
                     mWindowManager.continueSurfaceLayout();
+                    Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
                 }
             });
         }
diff --git a/services/core/java/com/android/server/wm/RecentsAnimationController.java b/services/core/java/com/android/server/wm/RecentsAnimationController.java
index fe5b65c..e869f58 100644
--- a/services/core/java/com/android/server/wm/RecentsAnimationController.java
+++ b/services/core/java/com/android/server/wm/RecentsAnimationController.java
@@ -62,6 +62,7 @@
 
     // The recents component app token that is shown behind the visibile tasks
     private AppWindowToken mHomeAppToken;
+    private Rect mMinimizedHomeBounds = new Rect();
 
     // We start the RecentsAnimationController in a pending-start state since we need to wait for
     // the wallpaper/activity to draw before we can give control to the handler to start animating
@@ -105,7 +106,7 @@
                             final AppWindowToken topChild = task.getTopChild();
                             final WindowState mainWindow = topChild.findMainWindow();
                             return new TaskSnapshot(buffer, topChild.getConfiguration().orientation,
-                                    mainWindow.mStableInsets,
+                                    mainWindow.mContentInsets,
                                     ActivityManager.isLowRamDeviceStatic() /* reduced */,
                                     1.0f /* scale */);
                         }
@@ -163,8 +164,6 @@
      * @param remoteAnimationRunner The remote runner which should be notified when the animation is
      *                              ready to start or has been canceled
      * @param callbacks Callbacks to be made when the animation finishes
-     * @param restoreHomeBehindStackId The stack id to restore the home stack behind once the
-     *                                 animation is complete. Will be passed to the callback.
      */
     RecentsAnimationController(WindowManagerService service,
             IRecentsAnimationRunner remoteAnimationRunner, RecentsAnimationCallbacks callbacks,
@@ -200,13 +199,15 @@
         if (recentsComponentAppToken != null) {
             if (DEBUG) Log.d(TAG, "setHomeApp(" + recentsComponentAppToken.getName() + ")");
             mHomeAppToken = recentsComponentAppToken;
-            final WallpaperController wc = dc.mWallpaperController;
             if (recentsComponentAppToken.windowsCanBeWallpaperTarget()) {
                 dc.pendingLayoutChanges |= FINISH_LAYOUT_REDO_WALLPAPER;
                 dc.setLayoutNeeded();
             }
         }
 
+        // Save the minimized home height
+        dc.getDockedDividerController().getHomeStackBoundsInDockedMode(mMinimizedHomeBounds);
+
         mService.mWindowPlacerLocked.performSurfacePlacement();
     }
 
@@ -232,7 +233,15 @@
                 appAnimations[i] = mPendingAnimations.get(i).createRemoteAnimationApp();
             }
             mPendingStart = false;
-            mRunner.onAnimationStart(mController, appAnimations);
+
+            final Rect minimizedHomeBounds =
+                    mHomeAppToken != null && mHomeAppToken.inSplitScreenSecondaryWindowingMode()
+                            ? mMinimizedHomeBounds : null;
+            final Rect contentInsets =
+                    mHomeAppToken != null && mHomeAppToken.findMainWindow() != null
+                            ? mHomeAppToken.findMainWindow().mContentInsets : null;
+            mRunner.onAnimationStart_New(mController, appAnimations, contentInsets,
+                    minimizedHomeBounds);
         } catch (RemoteException e) {
             Slog.e(TAG, "Failed to start recents animation", e);
         }
@@ -334,11 +343,15 @@
         }
 
         RemoteAnimationTarget createRemoteAnimationApp() {
-            // TODO: Do we need position and stack bounds?
+            final Point position = new Point();
+            final Rect bounds = new Rect();
+            final WindowContainer container = mTask.getParent();
+            container.getRelativePosition(position);
+            container.getBounds(bounds);
+            final WindowState mainWindow = mTask.getTopVisibleAppMainWindow();
             return new RemoteAnimationTarget(mTask.mTaskId, MODE_CLOSING, mCapturedLeash,
-                    !mTask.fillsParent(),
-                    mTask.getTopVisibleAppMainWindow().mWinAnimator.mLastClipRect,
-                    mTask.getPrefixOrderIndex(), new Point(), new Rect(),
+                    !mTask.fillsParent(), mainWindow.mWinAnimator.mLastClipRect,
+                    mainWindow.mContentInsets, mTask.getPrefixOrderIndex(), position, bounds,
                     mTask.getWindowConfiguration());
         }
 
diff --git a/services/core/java/com/android/server/wm/RemoteAnimationController.java b/services/core/java/com/android/server/wm/RemoteAnimationController.java
index 9251993..c353c1d 100644
--- a/services/core/java/com/android/server/wm/RemoteAnimationController.java
+++ b/services/core/java/com/android/server/wm/RemoteAnimationController.java
@@ -166,7 +166,7 @@
             }
             return new RemoteAnimationTarget(task.mTaskId, getMode(),
                     mCapturedLeash, !mAppWindowToken.fillsParent(),
-                    mainWindow.mWinAnimator.mLastClipRect,
+                    mainWindow.mWinAnimator.mLastClipRect, mainWindow.mContentInsets,
                     mAppWindowToken.getPrefixOrderIndex(), mPosition, mStackBounds,
                     task.getWindowConfiguration());
         }