Merge "Add OnGlobalLayout listener to WidgetFloatingView" into sc-dev
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index ecaac94..10384a8 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -47,7 +47,6 @@
 import static com.android.quickstep.util.NavigationModeFeatureFlag.LIVE_TILE;
 import static com.android.quickstep.util.SwipePipToHomeAnimator.FRACTION_END;
 import static com.android.quickstep.util.SwipePipToHomeAnimator.FRACTION_START;
-import static com.android.quickstep.views.RecentsView.RECENTS_GRID_PROGRESS;
 import static com.android.quickstep.views.RecentsView.UPDATE_SYSUI_FLAGS_THRESHOLD;
 import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_RECENTS;
 import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.ACTIVITY_TYPE_HOME;
@@ -55,7 +54,6 @@
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
-import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
 import android.annotation.TargetApi;
 import android.app.ActivityManager;
@@ -464,8 +462,6 @@
                     mDeviceState.getRotationTouchHelper()
                             .onEndTargetCalculated(mGestureState.getEndTarget(),
                                     mActivityInterface);
-
-                    mRecentsView.onGestureEndTargetCalculated(mGestureState.getEndTarget());
                 });
 
         notifyGestureStartedAsync();
@@ -1133,6 +1129,10 @@
             }
             homeAnimFactory.playAtomicAnimation(velocityPxPerMs.y);
             mLauncherTransitionController = null;
+
+            if (mRecentsView != null) {
+                mRecentsView.onPrepareGestureEndAnimation(null, mGestureState.getEndTarget());
+            }
         } else {
             AnimatorSet animatorSet = new AnimatorSet();
             ValueAnimator windowAnim = mCurrentShift.animateToValue(start, end);
@@ -1171,9 +1171,9 @@
                 }
             });
             animatorSet.play(windowAnim);
-            S state = mActivityInterface.stateFromGestureEndTarget(mGestureState.getEndTarget());
-            if (mRecentsView != null && state.displayOverviewTasksAsGrid(mDp)) {
-                animatorSet.play(ObjectAnimator.ofFloat(mRecentsView, RECENTS_GRID_PROGRESS, 1));
+            if (mRecentsView != null) {
+                mRecentsView.onPrepareGestureEndAnimation(
+                        animatorSet, mGestureState.getEndTarget());
             }
             animatorSet.setDuration(duration).setInterpolator(interpolator);
             animatorSet.start();
@@ -1701,7 +1701,7 @@
         // No need to apply any transform if there is ongoing swipe-pip-to-home animator since
         // that animator handles the leash solely.
         if (mRecentsAnimationTargets != null && !mIsSwipingPipToHome) {
-            if (mRecentsViewScrollLinked) {
+            if (mRecentsViewScrollLinked && mRecentsView != null) {
                 mTaskViewSimulator.setScroll(mRecentsView.getScrollOffset());
             }
             mTaskViewSimulator.apply(mTransformParams);
diff --git a/quickstep/src/com/android/quickstep/RecentsActivity.java b/quickstep/src/com/android/quickstep/RecentsActivity.java
index eee02b9..0e9e3ad 100644
--- a/quickstep/src/com/android/quickstep/RecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/RecentsActivity.java
@@ -22,11 +22,13 @@
 import static com.android.launcher3.QuickstepTransitionManager.STATUS_BAR_TRANSITION_DURATION;
 import static com.android.launcher3.QuickstepTransitionManager.STATUS_BAR_TRANSITION_PRE_DELAY;
 import static com.android.launcher3.Utilities.createHomeIntent;
+import static com.android.launcher3.graphics.SysUiScrim.SYSUI_PROGRESS;
 import static com.android.launcher3.testing.TestProtocol.OVERVIEW_STATE_ORDINAL;
 import static com.android.quickstep.TaskUtils.taskIsATargetWithMode;
 import static com.android.quickstep.TaskViewUtils.createRecentsWindowAnimator;
 import static com.android.quickstep.util.NavigationModeFeatureFlag.LIVE_TILE;
 import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_CLOSING;
+import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_OPENING;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -36,6 +38,7 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
+import android.view.SurfaceControl.Transaction;
 import android.view.View;
 
 import androidx.annotation.Nullable;
@@ -48,6 +51,7 @@
 import com.android.launcher3.R;
 import com.android.launcher3.WrappedAnimationRunnerImpl;
 import com.android.launcher3.WrappedLauncherAnimationRunner;
+import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.compat.AccessibilityManagerCompat;
@@ -92,6 +96,8 @@
 
     private Handler mUiHandler = new Handler(Looper.getMainLooper());
 
+    private static final long HOME_APPEAR_DURATION = 250;
+
     private RecentsDragLayer mDragLayer;
     private ScrimView mScrimView;
     private FallbackRecentsView mFallbackRecentsView;
@@ -114,6 +120,7 @@
         mScrimView = findViewById(R.id.scrim_view);
         mFallbackRecentsView = findViewById(R.id.overview_panel);
         mActionsView = findViewById(R.id.overview_actions_view);
+        SYSUI_PROGRESS.set(getRootView().getSysUiScrim(), 0f);
 
         SplitPlaceholderView splitPlaceholderView = findViewById(R.id.split_placeholder);
         splitPlaceholderView.init(
@@ -351,7 +358,32 @@
     }
 
     private void startHomeInternal() {
-        startActivity(createHomeIntent());
+        WrappedLauncherAnimationRunner runner = new WrappedLauncherAnimationRunner(
+                getMainThreadHandler(), this::onCreateAnimationToHome, true);
+        RemoteAnimationAdapterCompat adapterCompat =
+                new RemoteAnimationAdapterCompat(runner, HOME_APPEAR_DURATION, 0);
+        startActivity(createHomeIntent(),
+                ActivityOptionsCompat.makeRemoteAnimation(adapterCompat).toBundle());
+    }
+
+    private void onCreateAnimationToHome(
+            int transit, RemoteAnimationTargetCompat[] appTargets,
+            RemoteAnimationTargetCompat[] wallpaperTargets,
+            RemoteAnimationTargetCompat[] nonAppTargets, AnimationResult result) {
+        AnimatorPlaybackController controller = getStateManager()
+                .createAnimationToNewWorkspace(RecentsState.BG_LAUNCHER, HOME_APPEAR_DURATION);
+        controller.dispatchOnStart();
+
+        RemoteAnimationTargets targets = new RemoteAnimationTargets(
+                appTargets, wallpaperTargets, nonAppTargets, MODE_OPENING);
+        for (RemoteAnimationTargetCompat app : targets.apps) {
+            new Transaction().setAlpha(app.leash.getSurfaceControl(), 1).apply();
+        }
+        AnimatorSet anim = new AnimatorSet();
+        anim.play(controller.getAnimationPlayer());
+        anim.setDuration(HOME_APPEAR_DURATION);
+        result.setAnimation(anim, this,
+                () -> getStateManager().goToState(RecentsState.HOME, false));
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
index 4d4b6e1..1bb8e96 100644
--- a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
+++ b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
@@ -20,6 +20,7 @@
 import static com.android.quickstep.fallback.RecentsState.HOME;
 import static com.android.quickstep.fallback.RecentsState.MODAL_TASK;
 
+import android.animation.AnimatorSet;
 import android.annotation.TargetApi;
 import android.app.ActivityManager.RunningTaskInfo;
 import android.content.Context;
@@ -27,6 +28,9 @@
 import android.util.AttributeSet;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.statemanager.StateManager.StateListener;
 import com.android.launcher3.testing.TestProtocol;
@@ -67,7 +71,6 @@
     @Override
     public void startHome() {
         mActivity.startHome();
-        mActivity.getStateManager().goToState(RecentsState.HOME);
     }
 
     /**
@@ -86,14 +89,17 @@
      * to the center.
      */
     @Override
-    public void onGestureEndTargetCalculated(GestureState.GestureEndTarget endTarget) {
-        super.onGestureEndTargetCalculated(endTarget);
-        if (mHomeTaskInfo != null && endTarget == RECENTS) {
+    public void onPrepareGestureEndAnimation(
+            @Nullable AnimatorSet animatorSet, GestureState.GestureEndTarget endTarget) {
+        super.onPrepareGestureEndAnimation(animatorSet, endTarget);
+        if (mHomeTaskInfo != null && endTarget == RECENTS && animatorSet != null) {
             TaskView tv = getTaskView(mHomeTaskInfo.taskId);
             if (tv != null) {
                 PendingAnimation pa = createTaskDismissAnimation(tv, true, false, 150);
                 pa.addEndListener(e -> setCurrentTask(-1));
-                runDismissAnimation(pa);
+                AnimatorPlaybackController controller = pa.createPlaybackController();
+                controller.dispatchOnStart();
+                animatorSet.play(controller.getAnimationPlayer());
             }
         }
     }
diff --git a/quickstep/src/com/android/quickstep/fallback/RecentsState.java b/quickstep/src/com/android/quickstep/fallback/RecentsState.java
index 96c0e48..b6cfdce 100644
--- a/quickstep/src/com/android/quickstep/fallback/RecentsState.java
+++ b/quickstep/src/com/android/quickstep/fallback/RecentsState.java
@@ -50,6 +50,7 @@
     public static final RecentsState BACKGROUND_APP = new BackgroundAppState(2,
             FLAG_DISABLE_RESTORE | FLAG_NON_INTERACTIVE | FLAG_FULL_SCREEN);
     public static final RecentsState HOME = new RecentsState(3, 0);
+    public static final RecentsState BG_LAUNCHER = new LauncherState(4, 0);
 
     public final int ordinal;
     private final int mFlags;
@@ -161,4 +162,15 @@
             return getOverviewScaleAndOffsetForBackgroundState(activity);
         }
     }
+
+    private static class LauncherState extends RecentsState {
+        LauncherState(int id, int flags) {
+            super(id, flags);
+        }
+
+        @Override
+        public float[] getOverviewScaleAndOffset(RecentsActivity activity) {
+            return new float[] { NO_SCALE, 1 };
+        }
+    }
 }
diff --git a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
index e63f8bb..f578ad1 100644
--- a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
+++ b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
@@ -36,6 +36,7 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.PendingAnimation;
+import com.android.launcher3.util.TraceHelper;
 import com.android.quickstep.AnimatedFloat;
 import com.android.quickstep.BaseActivityInterface;
 import com.android.quickstep.views.TaskThumbnailView.PreviewPositionHelper;
@@ -95,7 +96,9 @@
         mContext = context;
         mSizeStrategy = sizeStrategy;
 
-        mOrientationState = new RecentsOrientedState(context, sizeStrategy, i -> { });
+        // TODO(b/187074722): Don't create this per-TaskViewSimulator
+        mOrientationState = TraceHelper.allowIpcs("",
+                () -> new RecentsOrientedState(context, sizeStrategy, i -> { }));
         mOrientationState.setGestureActive(true);
         mCurrentFullscreenParams = new FullscreenDrawParams(context);
         mOrientationStateId = mOrientationState.getStateId();
diff --git a/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java b/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
index f74aa55..9ea2369 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
@@ -100,8 +100,8 @@
     /** Restores the drawables to the source view. */
     void finish() {
         if (isUninitialized()) return;
-        mSourceView.setForeground(mOriginalForeground);
-        mSourceView.setBackground(mOriginalBackground);
+        if (mOriginalForeground != null) mSourceView.setForeground(mOriginalForeground);
+        if (mOriginalBackground != null) mSourceView.setBackground(mOriginalBackground);
     }
 
     void recycle() {
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 3c59441..9797afd 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -1631,7 +1631,16 @@
     /**
      * Called when a gesture from an app has finished, and an end target has been determined.
      */
-    public void onGestureEndTargetCalculated(GestureState.GestureEndTarget endTarget) {
+    public void onPrepareGestureEndAnimation(
+            @Nullable AnimatorSet animatorSet, GestureState.GestureEndTarget endTarget) {
+        if (mSizeStrategy.stateFromGestureEndTarget(endTarget)
+                .displayOverviewTasksAsGrid(mActivity.getDeviceProfile())) {
+            if (animatorSet == null) {
+                setGridProgress(1);
+            } else {
+                animatorSet.play(ObjectAnimator.ofFloat(this, RECENTS_GRID_PROGRESS, 1));
+            }
+        }
         mCurrentGestureEndTarget = endTarget;
         if (endTarget == GestureState.GestureEndTarget.NEW_TASK
                 || endTarget == GestureState.GestureEndTarget.LAST_TASK) {
@@ -2348,7 +2357,7 @@
         return true;
     }
 
-    protected void runDismissAnimation(PendingAnimation pendingAnim) {
+    private void runDismissAnimation(PendingAnimation pendingAnim) {
         AnimatorPlaybackController controller = pendingAnim.createPlaybackController();
         controller.dispatchOnStart();
         controller.getAnimationPlayer().setInterpolator(FAST_OUT_SLOW_IN);
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index f6a6448..9358c49 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -277,7 +277,7 @@
         } else {
             // Phone Portrait, LargeScreen Landscape/Portrait
             viewGroup.setOrientation(LinearLayout.HORIZONTAL);
-            lp.width = LinearLayout.LayoutParams.WRAP_CONTENT;
+            lp.width = LinearLayout.LayoutParams.MATCH_PARENT;
         }
 
         lp.height = LinearLayout.LayoutParams.WRAP_CONTENT;