Only dispatch systemUiVisibility when it actually changes (389beec6) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

+7 −1

Original line number	Diff line number	Diff line
		@@ -312,6 +312,9 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
		// tracking calls to View.setSystemUiVisibility()
		int mSystemUiVisibility = View.SYSTEM_UI_FLAG_VISIBLE;

		// last value sent to window manager
		private int mLastDispatchedSystemUiVisibility = ~View.SYSTEM_UI_FLAG_VISIBLE;

		DisplayMetrics mDisplayMetrics = new DisplayMetrics();

		// XXX: gesture research
		@@ -2481,7 +2484,10 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,

		private void notifyUiVisibilityChanged(int vis) {
		try {
		if (mLastDispatchedSystemUiVisibility != vis) {
		mWindowManagerService.statusBarVisibilityChanged(vis);
		mLastDispatchedSystemUiVisibility = vis;
		}
		} catch (RemoteException ex) {
		}
		}

+7 −0

Original line number	Diff line number	Diff line
		@@ -512,7 +512,10 @@ public class WindowManagerService extends IWindowManager.Stub

		int mLayoutSeq = 0;

		// Last systemUiVisibility we received from status bar.
		int mLastStatusBarVisibility = 0;
		// Last systemUiVisibility we dispatched to windows.
		int mLastDispatchedSystemUiVisibility = 0;

		// State while inside of layoutAndPlaceSurfacesLocked().
		boolean mFocusMayChange;
		@@ -10955,6 +10958,10 @@ public class WindowManagerService extends IWindowManager.Stub

		// TOOD(multidisplay): StatusBar on multiple screens?
		void updateStatusBarVisibilityLocked(int visibility) {
		if (mLastDispatchedSystemUiVisibility == visibility) {
		return;
		}
		mLastDispatchedSystemUiVisibility = visibility;
		mInputManager.setSystemUiVisibility(visibility);
		final WindowList windows = getDefaultWindowListLocked();
		final int N = windows.size();