Merge "Fixes to support transient taskbar in desktop mode" into tm-qpr-dev am: 83a8dad319

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20858638

Change-Id: Ib2e57c5d0e5e13846e240c36c9396588326c19a5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

quickstep/src/com/android/launcher3/statehandlers/DesktopVisibilityController.java

@@ -33,6 +33,7 @@ public class DesktopVisibilityController {
 
     private boolean mFreeformTasksVisible;
     private boolean mInOverviewState;
+    private boolean mGestureInProgress;
 
     public DesktopVisibilityController(Launcher launcher) {
         mLauncher = launcher;
@@ -57,9 +58,24 @@ public class DesktopVisibilityController {
      * Sets whether freeform windows are visible and updates launcher visibility based on that.
      */
     public void setFreeformTasksVisible(boolean freeformTasksVisible) {
+        if (!isDesktopModeSupported()) {
+            return;
+        }
         if (freeformTasksVisible != mFreeformTasksVisible) {
             mFreeformTasksVisible = freeformTasksVisible;
-            updateLauncherVisibility();
+            if (mFreeformTasksVisible) {
+                setLauncherViewsVisibility(View.INVISIBLE);
+                if (!mInOverviewState) {
+                    // When freeform is visible & we're not in overview, we want launcher to appear
+                    // paused, this ensures that taskbar displays.
+                    markLauncherPaused();
+                }
+            } else {
+                setLauncherViewsVisibility(View.VISIBLE);
+                // If freeform isn't visible ensure that launcher appears resumed to behave
+                // normally.
+                markLauncherResumed();
+            }
         }
     }
 
@@ -67,40 +83,67 @@ public class DesktopVisibilityController {
      * Sets whether the overview is visible and updates launcher visibility based on that.
      */
     public void setOverviewStateEnabled(boolean overviewStateEnabled) {
+        if (!isDesktopModeSupported()) {
+            return;
+        }
         if (overviewStateEnabled != mInOverviewState) {
             mInOverviewState = overviewStateEnabled;
-            updateLauncherVisibility();
+            if (mInOverviewState) {
+                setLauncherViewsVisibility(View.VISIBLE);
+                markLauncherResumed();
+            } else if (mFreeformTasksVisible) {
+                setLauncherViewsVisibility(View.INVISIBLE);
+                markLauncherPaused();
+            }
         }
     }
 
     /**
-     * Updates launcher visibility and state to look like it is paused or resumed depending on
-     * whether freeform windows are showing in desktop mode.
+     * Whether recents gesture is currently in progress.
      */
-    private void updateLauncherVisibility() {
-        StatefulActivity<LauncherState> activity =
-                QuickstepLauncher.ACTIVITY_TRACKER.getCreatedActivity();
-        View workspaceView = mLauncher.getWorkspace();
-        if (activity == null || workspaceView == null || !isDesktopModeSupported()) {
+    public boolean isGestureInProgress() {
+        return mGestureInProgress;
+    }
+
+    /**
+     * Sets whether recents gesture is in progress.
+     */
+    public void setGestureInProgress(boolean gestureInProgress) {
+        if (!isDesktopModeSupported()) {
             return;
         }
+        if (gestureInProgress != mGestureInProgress) {
+            mGestureInProgress = gestureInProgress;
+        }
+    }
 
-        if (mFreeformTasksVisible) {
-            workspaceView.setVisibility(View.INVISIBLE);
-            if (!mInOverviewState) {
-                // When freeform is visible & we're not in overview, we want launcher to appear
-                // paused, this ensures that taskbar displays.
-                activity.setPaused();
-            }
-        } else {
-            workspaceView.setVisibility(View.VISIBLE);
-            // If freeform isn't visible ensure that launcher appears resumed to behave normally.
-            // Check activity state before calling setResumed(). Launcher may have been actually
-            // paused (eg fullscreen task moved to front).
-            // In this case we should not mark the activity as resumed.
-            if (activity.isResumed()) {
-                activity.setResumed();
-            }
+    private void setLauncherViewsVisibility(int visibility) {
+        View workspaceView = mLauncher.getWorkspace();
+        if (workspaceView != null) {
+            workspaceView.setVisibility(visibility);
+        }
+        View dragLayer = mLauncher.getDragLayer();
+        if (dragLayer != null) {
+            dragLayer.setVisibility(visibility);
+        }
+    }
+
+    private void markLauncherPaused() {
+        StatefulActivity<LauncherState> activity =
+                QuickstepLauncher.ACTIVITY_TRACKER.getCreatedActivity();
+        if (activity != null) {
+            activity.setPaused();
+        }
+    }
+
+    private void markLauncherResumed() {
+        StatefulActivity<LauncherState> activity =
+                QuickstepLauncher.ACTIVITY_TRACKER.getCreatedActivity();
+        // Check activity state before calling setResumed(). Launcher may have been actually
+        // paused (eg fullscreen task moved to front).
+        // In this case we should not mark the activity as resumed.
+        if (activity != null && activity.isResumed()) {
+            activity.setResumed();
         }
     }
 }

quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java

@@ -668,7 +668,8 @@ public class QuickstepLauncher extends Launcher {
     public void setResumed() {
         if (DesktopTaskView.DESKTOP_IS_PROTO2_ENABLED) {
             DesktopVisibilityController controller = mDesktopVisibilityController;
-            if (controller != null && controller.areFreeformTasksVisible()) {
+            if (controller != null && controller.areFreeformTasksVisible()
+                    && !controller.isGestureInProgress()) {
                 // Return early to skip setting activity to appear as resumed
                 // TODO(b/255649902): shouldn't be needed when we have a separate launcher state
                 //  for desktop that we can use to control other parts of launcher

quickstep/src/com/android/quickstep/views/LauncherRecentsView.java

@@ -36,12 +36,15 @@ import com.android.launcher3.LauncherState;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.popup.QuickstepSystemShortcut;
 import com.android.launcher3.statehandlers.DepthController;
+import com.android.launcher3.statehandlers.DesktopVisibilityController;
 import com.android.launcher3.statemanager.StateManager.StateListener;
 import com.android.launcher3.uioverrides.QuickstepLauncher;
 import com.android.launcher3.util.PendingSplitSelectInfo;
 import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.quickstep.LauncherActivityInterface;
+import com.android.quickstep.RotationTouchHelper;
 import com.android.quickstep.util.SplitSelectStateController;
+import com.android.systemui.shared.recents.model.Task;
 
 /**
  * {@link RecentsView} used in Launcher activity
@@ -205,4 +208,25 @@ public class LauncherRecentsView extends RecentsView<QuickstepLauncher, Launcher
     protected boolean canLaunchFullscreenTask() {
         return !mActivity.isInState(OVERVIEW_SPLIT_SELECT);
     }
+
+    @Override
+    public void onGestureAnimationStart(Task[] runningTasks,
+            RotationTouchHelper rotationTouchHelper) {
+        super.onGestureAnimationStart(runningTasks, rotationTouchHelper);
+        DesktopVisibilityController desktopVisibilityController =
+                mActivity.getDesktopVisibilityController();
+        if (desktopVisibilityController != null) {
+            desktopVisibilityController.setGestureInProgress(true);
+        }
+    }
+
+    @Override
+    public void onGestureAnimationEnd() {
+        super.onGestureAnimationEnd();
+        DesktopVisibilityController desktopVisibilityController =
+                mActivity.getDesktopVisibilityController();
+        if (desktopVisibilityController != null) {
+            desktopVisibilityController.setGestureInProgress(false);
+        }
+    }
 }