Merge "Merge "Synchronize bubble activity rendering status and its visibility... (2abf63ed) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityView.java

+11 −0

Original line number	Diff line number	Diff line
		@@ -120,6 +120,7 @@ public class ActivityView extends ViewGroup {

		mActivityTaskManager = ActivityTaskManager.getService();
		mSurfaceView = new SurfaceView(context);
		mSurfaceView.setAlpha(0f);
		mSurfaceCallback = new SurfaceCallback();
		mSurfaceView.getHolder().addCallback(mSurfaceCallback);
		addView(mSurfaceView);
		@@ -346,6 +347,16 @@ public class ActivityView extends ViewGroup {
		mSurfaceView.layout(0 /* left /, 0 / top /, r - l / right /, b - t / bottom */);
		}

		@Override
		public void setAlpha(float alpha) {
		mSurfaceView.setAlpha(alpha);
		}

		@Override
		public float getAlpha() {
		return mSurfaceView.getAlpha();
		}

		@Override
		public boolean gatherTransparentRegion(Region region) {
		// The tap exclude region may be affected by any view on top of it, so we detect the

core/java/android/app/ITaskStackListener.aidl

+8 −0

Original line number	Diff line number	Diff line
		@@ -169,4 +169,12 @@ oneway interface ITaskStackListener {
		* @param taskInfo info about the task which received the back press
		*/
		void onBackPressedOnTaskRoot(in ActivityManager.RunningTaskInfo taskInfo);

		/*
		* Called when contents are drawn for the first time on a display which can only contain one
		* task.
		*
		* @param displayId the id of the display on which contents are drawn.
		*/
		void onSingleTaskDisplayDrawn(int displayId);
		}

core/java/android/app/TaskStackListener.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -173,4 +173,8 @@ public abstract class TaskStackListener extends ITaskStackListener.Stub {
		public void onBackPressedOnTaskRoot(ActivityManager.RunningTaskInfo taskInfo)
		throws RemoteException {
		}

		@Override
		public void onSingleTaskDisplayDrawn(int displayId) throws RemoteException {
		}
		}

core/java/android/view/SurfaceView.java

+42 −0

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ import android.content.res.Configuration;
		import android.graphics.BlendMode;
		import android.graphics.Canvas;
		import android.graphics.Color;
		import android.graphics.HardwareRenderer;
		import android.graphics.Paint;
		import android.graphics.PixelFormat;
		import android.graphics.PorterDuff;
		@@ -201,6 +202,29 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb

		private SurfaceControl.Transaction mRtTransaction = new SurfaceControl.Transaction();

		/**
		* A callback which reflects an alpha value of this view onto the underlying surfaces.
		*
		* <p class="note"><strong>Note:</strong> This doesn't have to be defined as a member variable,
		* but can be defined as an inline lambda when calling ViewRootImpl#registerRtFrameCallback().
		* However when we do so, the callback is triggered only for a few times and stops working for
		* some reason. It's suspected that there is a problem around garbage collection, and until
		* the cause is fixed, we will keep this callback in a member variable.</p>
		*/
		private HardwareRenderer.FrameDrawingCallback mSetSurfaceAlphaCallback = frame -> {
		final ViewRootImpl viewRoot = getViewRootImpl();
		if (viewRoot == null \|\| viewRoot.mSurface == null \|\| !viewRoot.mSurface.isValid()) {
		// In this case, the alpha value is reflected on the screen in #updateSurface() later.
		return;
		}

		final SurfaceControl.Transaction t = new SurfaceControl.Transaction();
		t.setAlpha(mSurfaceControl, getAlpha());
		t.deferTransactionUntilSurface(mSurfaceControl, viewRoot.mSurface, frame);
		t.setEarlyWakeup();
		t.apply();
		};

		public SurfaceView(Context context) {
		this(context, null);
		}
		@@ -288,6 +312,17 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb
		updateSurface();
		}

		@Override
		public void setAlpha(float alpha) {
		super.setAlpha(alpha);
		final ViewRootImpl viewRoot = getViewRootImpl();
		if (viewRoot == null) {
		return;
		}
		viewRoot.registerRtFrameCallback(mSetSurfaceAlphaCallback);
		invalidate();
		}

		private void performDrawFinished() {
		if (mPendingReportDraws > 0) {
		mDrawFinished = true;
		@@ -647,6 +682,13 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb
		}
		updateBackgroundVisibilityInTransaction(viewRoot.getSurfaceControl());

		// Alpha value change is handled in setAlpha() directly using a local
		// transaction. However it can happen that setAlpha() is called while
		// local transactions cannot be applied, so the value is stored in a View
		// but not yet reflected on the Surface.
		mSurfaceControl.setAlpha(getAlpha());
		mBackgroundControl.setAlpha(getAlpha());

		// While creating the surface, we will set it's initial
		// geometry. Outside of that though, we should generally
		// leave it to the RenderThread.

core/java/android/view/WindowManager.java

+9 −1

Original line number	Diff line number	Diff line
		@@ -260,6 +260,13 @@ public interface WindowManager extends ViewManager {
		*/
		int TRANSIT_TASK_CHANGE_WINDOWING_MODE = 27;

		/**
		* A display which can only contain one task is being shown because the first activity is
		* started or it's being turned on.
		* @hide
		*/
		int TRANSIT_SHOW_SINGLE_TASK_DISPLAY = 28;

		/**
		* @hide
		*/
		@@ -287,7 +294,8 @@ public interface WindowManager extends ViewManager {
		TRANSIT_TRANSLUCENT_ACTIVITY_OPEN,
		TRANSIT_TRANSLUCENT_ACTIVITY_CLOSE,
		TRANSIT_CRASHING_ACTIVITY_CLOSE,
		TRANSIT_TASK_CHANGE_WINDOWING_MODE
		TRANSIT_TASK_CHANGE_WINDOWING_MODE,
		TRANSIT_SHOW_SINGLE_TASK_DISPLAY
		})
		@Retention(RetentionPolicy.SOURCE)
		@interface TransitionType {}