Use fullscreen flag to define visibility of the background am: b60e1c037a (474fed2e) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wm/SurfaceControlWithBackground.java

+19 −9

Original line number	Diff line number	Diff line
		@@ -26,6 +26,10 @@ import android.view.Surface.OutOfResourcesException;
		import android.view.SurfaceControl;
		import android.view.SurfaceSession;

		import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
		import static android.view.WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
		import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;

		/**
		* SurfaceControl extension that has background sized to match its container.
		*/
		@@ -33,8 +37,7 @@ class SurfaceControlWithBackground extends SurfaceControl {
		// SurfaceControl that holds the background behind opaque letterboxed app windows.
		private SurfaceControl mBackgroundControl;

		// Flags that define whether the background should be shown.
		private boolean mOpaque;
		// Flag that defines whether the background should be shown.
		private boolean mVisible;

		// Way to communicate with corresponding window.
		@@ -48,10 +51,12 @@ class SurfaceControlWithBackground extends SurfaceControl {
		private float mLastDsDx = 1, mLastDsDy = 1;
		private float mLastX, mLastY;

		// Will skip alpha animation for background of starting window.
		private boolean mIsStartingWindow;

		public SurfaceControlWithBackground(SurfaceControlWithBackground other) {
		super(other);
		mBackgroundControl = other.mBackgroundControl;
		mOpaque = other.mOpaque;
		mVisible = other.mVisible;
		mWindowSurfaceController = other.mWindowSurfaceController;
		}
		@@ -61,15 +66,17 @@ class SurfaceControlWithBackground extends SurfaceControl {
		WindowSurfaceController windowSurfaceController) throws OutOfResourcesException {
		super(s, name, w, h, format, flags, windowType, ownerUid);

		// We should only show background when the window is letterboxed in a task.
		if (!windowSurfaceController.mAnimator.mWin.isLetterboxedAppWindow()) {
		// We should only show background behind app windows that are letterboxed in a task.
		if (!windowSurfaceController.mAnimator.mWin.isLetterboxedAppWindow()
		\|\| windowType < FIRST_APPLICATION_WINDOW
		\|\| windowType > LAST_APPLICATION_WINDOW) {
		return;
		}
		mWindowSurfaceController = windowSurfaceController;
		mLastWidth = w;
		mLastHeight = h;
		mOpaque = (flags & SurfaceControl.OPAQUE) != 0;
		mWindowSurfaceController.getContainerRect(mTmpContainerRect);
		mIsStartingWindow = windowType == TYPE_APPLICATION_STARTING;
		mBackgroundControl = new SurfaceControl(s, "Background for - " + name,
		mTmpContainerRect.width(), mTmpContainerRect.height(), PixelFormat.OPAQUE,
		flags \| SurfaceControl.FX_SURFACE_DIM);
		@@ -82,7 +89,10 @@ class SurfaceControlWithBackground extends SurfaceControl {
		if (mBackgroundControl == null) {
		return;
		}
		mBackgroundControl.setAlpha(alpha);
		// We won't animate alpha for starting window because it will be visible as a flash for user
		// when fading out to reveal real app window.
		final float backgroundAlpha = mIsStartingWindow && alpha < 1.f ? 0 : alpha;
		mBackgroundControl.setAlpha(backgroundAlpha);
		}

		@Override
		@@ -217,7 +227,6 @@ class SurfaceControlWithBackground extends SurfaceControl {
		@Override
		public void setOpaque(boolean isOpaque) {
		super.setOpaque(isOpaque);
		mOpaque = isOpaque;
		updateBackgroundVisibility();
		}

		@@ -307,7 +316,8 @@ class SurfaceControlWithBackground extends SurfaceControl {
		if (mBackgroundControl == null) {
		return;
		}
		if (mOpaque && mVisible) {
		final AppWindowToken appWindowToken = mWindowSurfaceController.mAnimator.mWin.mAppToken;
		if (appWindowToken != null && appWindowToken.fillsParent() && mVisible) {
		mBackgroundControl.show();
		} else {
		mBackgroundControl.hide();