Skip depth and scrim if freeform tasks are visible
If freeform tasks are shown, skip applying depth effect and scrim
changes. These cause the background to flicker while showing freeform
tasks and for example showing the transient taskbar.
Bug: 263264985
Test: swipe up to show transient taskbar, observe launcher background
does not blur or flicker to black
Change-Id: I5b10d0f0c7065e903cb761488367c02d7e31d8b2
diff --git a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 28c8980..72f321b 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -1002,6 +1002,14 @@
mPendingSplitSelectInfo = null;
}
+ @Override
+ public boolean areFreeformTasksVisible() {
+ if (mDesktopVisibilityController != null) {
+ return mDesktopVisibilityController.areFreeformTasksVisible();
+ }
+ return false;
+ }
+
private static final class LauncherTaskViewController extends
TaskViewTouchController<Launcher> {
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java b/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java
index 733c6a8..95eb128 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java
@@ -28,6 +28,7 @@
import com.android.launcher3.allapps.AllAppsTransitionController;
import com.android.launcher3.config.FeatureFlags;
import com.android.quickstep.util.LayoutUtils;
+import com.android.quickstep.views.DesktopTaskView;
import com.android.quickstep.views.RecentsView;
/**
@@ -91,6 +92,12 @@
@Override
protected float getDepthUnchecked(Context context) {
+ if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+ if (Launcher.getLauncher(context).areFreeformTasksVisible()) {
+ // Don't blur the background while freeform tasks are visible
+ return 0;
+ }
+ }
return 1;
}
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/QuickSwitchState.java b/quickstep/src/com/android/launcher3/uioverrides/states/QuickSwitchState.java
index 969abc2..7392469 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/QuickSwitchState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/QuickSwitchState.java
@@ -17,10 +17,13 @@
import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_BACKGROUND;
+import android.graphics.Color;
+
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.Launcher;
import com.android.launcher3.R;
import com.android.launcher3.util.Themes;
+import com.android.quickstep.views.DesktopTaskView;
/**
* State to indicate we are about to launch a recent task. Note that this state is only used when
@@ -43,6 +46,12 @@
@Override
public int getWorkspaceScrimColor(Launcher launcher) {
+ if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
+ if (launcher.areFreeformTasksVisible()) {
+ // No scrim while freeform tasks are visible
+ return Color.TRANSPARENT;
+ }
+ }
DeviceProfile dp = launcher.getDeviceProfile();
if (dp.isTaskbarPresentInApps) {
return launcher.getColor(R.color.taskbar_background);
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 43772e4..03ddd6a 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -3317,4 +3317,12 @@
return false; // Return false to continue iterating through all the items.
});
}
+
+ /**
+ * Returns {@code true} if there are visible tasks with windowing mode set to
+ * {@link android.app.WindowConfiguration#WINDOWING_MODE_FREEFORM}
+ */
+ public boolean areFreeformTasksVisible() {
+ return false; // Base launcher does not track freeform tasks
+ }
}