Merge "Update bug number for enable_large_desktop_windowing_tile" into main
diff --git a/quickstep/src/com/android/quickstep/OverviewCommandHelper.kt b/quickstep/src/com/android/quickstep/OverviewCommandHelper.kt
index a33e5c0..461f963 100644
--- a/quickstep/src/com/android/quickstep/OverviewCommandHelper.kt
+++ b/quickstep/src/com/android/quickstep/OverviewCommandHelper.kt
@@ -27,6 +27,7 @@
 import androidx.annotation.UiThread
 import androidx.annotation.VisibleForTesting
 import com.android.internal.jank.Cuj
+import com.android.launcher3.Flags.enableLargeDesktopWindowingTile
 import com.android.launcher3.Flags.enableOverviewCommandHelperTimeout
 import com.android.launcher3.PagedView
 import com.android.launcher3.logger.LauncherAtom
@@ -215,13 +216,12 @@
                 }
             }
             TOGGLE -> {
-                val taskView =
-                    if (recentsView.runningTaskView == null) {
-                        recentsView.getTaskViewAt(0)
-                    } else {
-                        recentsView.nextTaskView ?: recentsView.runningTaskView
-                    }
-                launchTask(recentsView, taskView, command, onCallbackResult)
+                launchTask(
+                    recentsView,
+                    getNextToggledTaskView(recentsView),
+                    command,
+                    onCallbackResult,
+                )
             }
             HOME -> {
                 recentsView.startHome()
@@ -229,6 +229,27 @@
             }
         }
 
+    private fun getNextToggledTaskView(recentsView: RecentsView<*, *>): TaskView? {
+        // When running task view is null we return last large taskView - typically focusView when
+        // grid only is not enabled else last desktop task view.
+        return if (recentsView.runningTaskView == null) {
+            recentsView.lastLargeTaskView ?: recentsView.getTaskViewAt(0)
+        } else {
+            if (
+                enableLargeDesktopWindowingTile() &&
+                    recentsView.getTaskViewCount() == recentsView.largeTilesCount &&
+                    recentsView.runningTaskView === recentsView.lastLargeTaskView
+            ) {
+                // Enables the toggle when only large tiles are in recents view.
+                // We return previous because unlike small tiles, large tiles are always
+                // on the right hand side.
+                recentsView.previousTaskView ?: recentsView.runningTaskView
+            } else {
+                recentsView.nextTaskView ?: recentsView.runningTaskView
+            }
+        }
+    }
+
     private fun launchTask(
         recents: RecentsView<*, *>,
         taskView: TaskView?,
diff --git a/quickstep/src/com/android/quickstep/views/FloatingWidgetView.java b/quickstep/src/com/android/quickstep/views/FloatingWidgetView.java
index bdca596..b719ee5 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingWidgetView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingWidgetView.java
@@ -18,6 +18,7 @@
 import android.animation.Animator;
 import android.animation.Animator.AnimatorListener;
 import android.annotation.TargetApi;
+import android.app.TaskInfo;
 import android.content.Context;
 import android.graphics.Matrix;
 import android.graphics.RectF;
@@ -333,11 +334,16 @@
      * context's theme background color.
      */
     public static int getDefaultBackgroundColor(
-            Context context, RemoteAnimationTarget target) {
-        return (target != null && target.taskInfo != null
-                && target.taskInfo.taskDescription != null)
-                ? target.taskInfo.taskDescription.getBackgroundColor()
-                : Themes.getColorBackground(context);
+            Context context, @Nullable RemoteAnimationTarget target) {
+        final int fallbackColor = Themes.getColorBackground(context);
+        if (target == null) {
+            return fallbackColor;
+        }
+        final TaskInfo taskInfo = target.taskInfo;
+        if (taskInfo == null) {
+            return fallbackColor;
+        }
+        return taskInfo.taskDescription.getBackgroundColor();
     }
 
     private static void getRelativePosition(View descendant, View ancestor, RectF position) {
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 82f08e5..8b3ef04 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -4572,6 +4572,20 @@
     }
 
     @Nullable
+    public TaskView getPreviousTaskView() {
+        return getTaskViewAt(getRunningTaskIndex() - 1);
+    }
+
+    @Nullable
+    public TaskView getLastLargeTaskView() {
+        return mUtils.getLastLargeTaskView(getTaskViews());
+    }
+
+    public int getLargeTilesCount() {
+        return mUtils.getLargeTileCount(getTaskViews());
+    }
+
+    @Nullable
     public TaskView getCurrentPageTaskView() {
         return getTaskViewAt(getCurrentPage());
     }