Merge "Adjust toast window parameters to support FLAG_SHOW_WHEN_LOCKED" into qt-dev am: 77e2b7b4ca (ddbf533c) · Commits · e / os / android_frameworks_base

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

+14 −0

Original line number	Diff line number	Diff line
		@@ -822,6 +822,10 @@ public class DisplayPolicy {
		(int) attrs.hideTimeoutMilliseconds,
		AccessibilityManager.FLAG_CONTENT_TEXT);
		attrs.windowAnimations = com.android.internal.R.style.Animation_Toast;
		// Toast can show with below conditions when the screen is locked.
		if (canToastShowWhenLocked(callingPid)) {
		attrs.flags \|= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
		}
		break;
		}

		@@ -831,6 +835,16 @@ public class DisplayPolicy {
		}
		}

		/**
		* @return {@code true} if the calling activity initiate toast and is visible with
		* {@link WindowManager.LayoutParams#FLAG_SHOW_WHEN_LOCKED} flag.
		*/
		boolean canToastShowWhenLocked(int callingPid) {
		return mDisplayContent.forAllWindows(w -> {
		return callingPid == w.mSession.mPid && w.isVisible() && w.canShowWhenLocked();
		}, true /* traverseTopToBottom */);
		}

		/**
		* Preflight adding a window to the system.
		*

services/tests/wmtests/src/com/android/server/wm/DisplayPolicyTests.java

+41 −0

Original line number	Diff line number	Diff line
		@@ -22,13 +22,17 @@ import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
		import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
		import static android.view.WindowManager.LayoutParams.FLAG_DIM_BEHIND;
		import static android.view.WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS;
		import static android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
		import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR;
		import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
		import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
		import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
		import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
		import static android.view.WindowManager.LayoutParams.ROTATION_ANIMATION_SEAMLESS;
		import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
		import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
		import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
		import static android.view.WindowManager.LayoutParams.TYPE_TOAST;

		import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
		import static com.android.dx.mockito.inline.extended.ExtendedMockito.mock;
		@@ -38,6 +42,7 @@ import static com.android.server.policy.WindowManagerPolicy.NAV_BAR_RIGHT;

		import static org.junit.Assert.assertEquals;
		import static org.junit.Assert.assertFalse;
		import static org.junit.Assert.assertNotEquals;
		import static org.junit.Assert.assertNull;
		import static org.junit.Assert.assertTrue;
		import static org.mockito.Mockito.spy;
		@@ -232,4 +237,40 @@ public class DisplayPolicyTests extends WindowTestsBase {
		displayRotation, Surface.ROTATION_0, Surface.ROTATION_90));
		}
		}

		@Test
		public void testShouldShowToastWhenScreenLocked() {
		final DisplayPolicy policy = mDisplayContent.getDisplayPolicy();
		final WindowState activity = createApplicationWindow();
		final WindowState toast = createToastWindow();

		synchronized (mWm.mGlobalLock) {
		policy.adjustWindowParamsLw(
		toast, toast.mAttrs, 0 /* callingPid /, 0 / callingUid */);

		assertTrue(policy.canToastShowWhenLocked(0 /* callingUid */));
		assertNotEquals(0, toast.getAttrs().flags & FLAG_SHOW_WHEN_LOCKED);
		}
		}

		private WindowState createToastWindow() {
		final WindowState win = createWindow(null, TYPE_TOAST, "Toast");
		final WindowManager.LayoutParams attrs = win.mAttrs;
		attrs.width = WRAP_CONTENT;
		attrs.height = WRAP_CONTENT;
		attrs.flags = FLAG_KEEP_SCREEN_ON \| FLAG_NOT_FOCUSABLE \| FLAG_NOT_TOUCHABLE;
		attrs.format = PixelFormat.TRANSLUCENT;
		return win;
		}

		private WindowState createApplicationWindow() {
		final WindowState win = createWindow(null, TYPE_APPLICATION, "Application");
		final WindowManager.LayoutParams attrs = win.mAttrs;
		attrs.width = MATCH_PARENT;
		attrs.height = MATCH_PARENT;
		attrs.flags = FLAG_SHOW_WHEN_LOCKED \| FLAG_LAYOUT_IN_SCREEN \| FLAG_LAYOUT_INSET_DECOR;
		attrs.format = PixelFormat.OPAQUE;
		win.mHasSurface = true;
		return win;
		}
		}