Use top fullscreen window to inherit SystemUI flags
The top fullscreen window of an app token is the one we use for
determining SystemUI flags normally. Thus, when showing the
snapshot, we need to inherit the flags from the same window.
Test: Open event in Calendar, go home, reopen Calendar app,
observe no status bar icon color change.
Test: go/wm-smoke
Change-Id: I96678000339617c8fc51e72c0f6e2e167f542491
Fixes: 62871307
diff --git a/services/core/java/com/android/server/wm/AppWindowToken.java b/services/core/java/com/android/server/wm/AppWindowToken.java
index 2e4de8c..8456854 100644
--- a/services/core/java/com/android/server/wm/AppWindowToken.java
+++ b/services/core/java/com/android/server/wm/AppWindowToken.java
@@ -62,6 +62,7 @@
import android.view.IApplicationToken;
import android.view.SurfaceControl;
import android.view.WindowManager;
+import android.view.WindowManager.LayoutParams;
import android.view.WindowManagerPolicy.StartingSurface;
import com.android.internal.util.ToBooleanFunction;
@@ -470,6 +471,20 @@
return delayed;
}
+ /**
+ * @return The to top most child window for which {@link LayoutParams#isFullscreen()} returns
+ * true.
+ */
+ WindowState getTopFullscreenWindow() {
+ for (int i = mChildren.size() - 1; i >= 0; i--) {
+ final WindowState win = mChildren.get(i);
+ if (win != null && win.mAttrs.isFullscreen()) {
+ return win;
+ }
+ }
+ return null;
+ }
+
WindowState findMainWindow() {
WindowState candidate = null;
int j = mChildren.size();