Fixing various quickscrup controls for fallback activity

> Not auto advancing to next task when swiping from home
> Starting from the current tile, when scrubing on recents activity

Bug: 79558175
Change-Id: I2975dbb254ba0004b34ce5d86d9733faad4943ff

quickstep/src/com/android/quickstep/ActivityControlHelper.java

@@ -15,6 +15,7 @@
  */
 package com.android.quickstep;
 
+import static com.android.launcher3.LauncherAnimUtils.OVERVIEW_TRANSITION_MS;
 import static com.android.launcher3.LauncherState.FAST_OVERVIEW;
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.allapps.AllAppsTransitionController.ALL_APPS_PROGRESS;
@@ -24,10 +25,15 @@ import static com.android.systemui.shared.system.NavigationBarCompat.HIT_TARGET_
 
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
+import android.annotation.TargetApi;
+import android.app.ActivityManager.RunningTaskInfo;
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Rect;
+import android.os.Build;
 import android.os.Handler;
+import android.os.Looper;
 import android.support.annotation.Nullable;
 import android.support.annotation.UiThread;
 import android.view.View;
@@ -52,21 +58,23 @@ import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.RecentsViewContainer;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
 
+import java.util.Objects;
 import java.util.function.BiPredicate;
 import java.util.function.Consumer;
 
 /**
  * Utility class which abstracts out the logical differences between Launcher and RecentsActivity.
  */
+@TargetApi(Build.VERSION_CODES.P)
 public interface ActivityControlHelper<T extends BaseDraggingActivity> {
 
     LayoutListener createLayoutListener(T activity);
 
     /**
      * Updates the UI to indicate quick interaction.
-     * @return true if there any any UI change as a result of this
      */
-    boolean onQuickInteractionStart(T activity, boolean activityVisible);
+    void onQuickInteractionStart(T activity, @Nullable RunningTaskInfo taskInfo,
+            boolean activityVisible);
 
     float getTranslationYForQuickScrub(T activity);
 
@@ -120,10 +128,14 @@ public interface ActivityControlHelper<T extends BaseDraggingActivity> {
         }
 
         @Override
-        public boolean onQuickInteractionStart(Launcher activity, boolean activityVisible) {
+        public void onQuickInteractionStart(Launcher activity, RunningTaskInfo taskInfo,
+                boolean activityVisible) {
             LauncherState fromState = activity.getStateManager().getState();
             activity.getStateManager().goToState(FAST_OVERVIEW, activityVisible);
-            return !fromState.overviewUi;
+
+            QuickScrubController controller = activity.<RecentsView>getOverviewPanel()
+                    .getQuickScrubController();
+            controller.onQuickScrubStart(activityVisible && !fromState.overviewUi, this);
         }
 
         @Override
@@ -311,10 +323,27 @@ public interface ActivityControlHelper<T extends BaseDraggingActivity> {
 
     class FallbackActivityControllerHelper implements ActivityControlHelper<RecentsActivity> {
 
+        private final ComponentName mHomeComponent;
+        private final Handler mUiHandler = new Handler(Looper.getMainLooper());
+
+        public FallbackActivityControllerHelper(ComponentName homeComponent) {
+            mHomeComponent = homeComponent;
+        }
+
         @Override
-        public boolean onQuickInteractionStart(RecentsActivity activity, boolean activityVisible) {
-            // Activity does not need any UI change for quickscrub.
-            return false;
+        public void onQuickInteractionStart(RecentsActivity activity, RunningTaskInfo taskInfo,
+                boolean activityVisible) {
+            QuickScrubController controller = activity.<RecentsView>getOverviewPanel()
+                    .getQuickScrubController();
+
+            // TODO: match user is as well
+            boolean startingFromHome = !activityVisible &&
+                    (taskInfo == null || Objects.equals(taskInfo.topActivity, mHomeComponent));
+            controller.onQuickScrubStart(startingFromHome, this);
+            if (activityVisible) {
+                mUiHandler.postDelayed(controller::onFinishedTransitionToQuickScrub,
+                        OVERVIEW_TRANSITION_MS);
+            }
         }
 
         @Override
@@ -465,6 +494,7 @@ public interface ActivityControlHelper<T extends BaseDraggingActivity> {
         public AlphaProperty getAlphaProperty(RecentsActivity activity) {
             return activity.getDragLayer().getAlphaProperty(0);
         }
+
     }
 
     interface LayoutListener {

quickstep/src/com/android/quickstep/OverviewCommandHelper.java

@@ -138,7 +138,7 @@ public class OverviewCommandHelper {
         } else {
             // The default home app is a different launcher. Use the fallback Overview instead.
             overviewComponent = new ComponentName(mContext, RecentsActivity.class);
-            mActivityControlHelper = new FallbackActivityControllerHelper();
+            mActivityControlHelper = new FallbackActivityControllerHelper(defaultHome);
             overviewIntentCategory = Intent.CATEGORY_DEFAULT;
 
             // User's default home app can change as a result of package updates of this app (such

quickstep/src/com/android/quickstep/TouchInteractionService.java

@@ -350,8 +350,7 @@ public class TouchInteractionService extends Service {
 
                 mStartPending = true;
                 Runnable action = () -> {
-                    mQuickScrubController.onQuickScrubStart(mActivityHelper.onQuickInteractionStart(
-                            mActivity, true), mActivityHelper);
+                    mActivityHelper.onQuickInteractionStart(mActivity, null, true);
                     mQuickScrubController.onQuickScrubProgress(mLastProgress);
                     mStartPending = false;
 

quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java

@@ -171,6 +171,7 @@ public class WindowTransformSwipeHandler<T extends BaseDraggingActivity> {
     private final ActivityInitListener mActivityInitListener;
 
     private final int mRunningTaskId;
+    private final RunningTaskInfo mRunningTaskInfo;
     private ThumbnailData mTaskSnapshot;
 
     private MultiStateCallback mStateCallback;
@@ -207,6 +208,7 @@ public class WindowTransformSwipeHandler<T extends BaseDraggingActivity> {
     WindowTransformSwipeHandler(RunningTaskInfo runningTaskInfo, Context context, long touchTimeMs,
             ActivityControlHelper<T> controller) {
         mContext = context;
+        mRunningTaskInfo = runningTaskInfo;
         mRunningTaskId = runningTaskInfo.id;
         mTouchTimeMs = touchTimeMs;
         mActivityControlHelper = controller;
@@ -772,8 +774,7 @@ public class WindowTransformSwipeHandler<T extends BaseDraggingActivity> {
             mLauncherTransitionController = null;
         }
 
-        mActivityControlHelper.onQuickInteractionStart(mActivity, false);
-        mQuickScrubController.onQuickScrubStart(false, mActivityControlHelper);
+        mActivityControlHelper.onQuickInteractionStart(mActivity, mRunningTaskInfo, false);
 
         // Inform the last progress in case we skipped before.
         mQuickScrubController.onQuickScrubProgress(mCurrentQuickScrubProgress);

quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java

@@ -35,6 +35,7 @@ public class FallbackRecentsView extends RecentsView<RecentsActivity> {
     public FallbackRecentsView(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
         setOverviewStateEnabled(true);
+        getQuickScrubController().onFinishedTransitionToQuickScrub();
     }
 
     @Override