am 4a9f1298: Close ActivityView and ActivityContainer cleanly. (f5030ecb) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityView.java

+12 −5

Original line number	Diff line number	Diff line
		@@ -354,9 +354,11 @@ public class ActivityView extends ViewGroup {
		private static class ActivityContainerWrapper {
		private final IActivityContainer mIActivityContainer;
		private final CloseGuard mGuard = CloseGuard.get();
		boolean mOpened; // Protected by mGuard.

		ActivityContainerWrapper(IActivityContainer container) {
		mIActivityContainer = container;
		mOpened = true;
		mGuard.open("release");
		}

		@@ -424,12 +426,17 @@ public class ActivityView extends ViewGroup {
		}

		void release() {
		synchronized (mGuard) {
		if (mOpened) {
		if (DEBUG) Log.v(TAG, "ActivityContainerWrapper: release called");
		try {
		mIActivityContainer.release();
		mGuard.close();
		} catch (RemoteException e) {
		}
		mOpened = false;
		}
		}
		}

		@Override

services/core/java/com/android/server/am/ActivityStack.java

+9 −6

Original line number	Diff line number	Diff line
		@@ -32,12 +32,11 @@ import static com.android.server.am.ActivityManagerService.VALIDATE_TOKENS;

		import static com.android.server.am.ActivityStackSupervisor.DEBUG_ADD_REMOVE;
		import static com.android.server.am.ActivityStackSupervisor.DEBUG_APP;
		import static com.android.server.am.ActivityStackSupervisor.DEBUG_CONTAINERS;
		import static com.android.server.am.ActivityStackSupervisor.DEBUG_SAVED_STATE;
		import static com.android.server.am.ActivityStackSupervisor.DEBUG_STATES;
		import static com.android.server.am.ActivityStackSupervisor.HOME_STACK_ID;

		import static com.android.server.am.ActivityStackSupervisor.ActivityContainer.CONTAINER_STATE_HAS_SURFACE;

		import com.android.internal.os.BatteryStatsImpl;
		import com.android.server.Watchdog;
		import com.android.server.am.ActivityManagerService.ItemMatcher;
		@@ -1276,7 +1275,7 @@ final class ActivityStack {

		ActivityRecord parent = mActivityContainer.mParentActivity;
		if ((parent != null && parent.state != ActivityState.RESUMED) \|\|
		!mActivityContainer.isAttached()) {
		!mActivityContainer.isAttachedLocked()) {
		// Do not resume this stack if its parent is not resumed.
		// TODO: If in a loop, make sure that parent stack resumeTopActivity is called 1st.
		return false;
		@@ -2540,11 +2539,14 @@ final class ActivityStack {
		\|\| prevState == ActivityState.INITIALIZING) {
		// If this activity is already stopped, we can just finish
		// it right now.
		boolean activityRemoved = destroyActivityLocked(r, true,
		oomAdj, "finish-imm");
		r.makeFinishing();
		boolean activityRemoved = destroyActivityLocked(r, true, oomAdj, "finish-imm");
		if (activityRemoved) {
		mStackSupervisor.resumeTopActivitiesLocked();
		}
		if (DEBUG_CONTAINERS) Slog.d(TAG,
		"destroyActivityLocked: finishCurrentActivityLocked r=" + r +
		" destroy returned removed=" + activityRemoved);
		return activityRemoved ? null : r;
		}

		@@ -2916,6 +2918,7 @@ final class ActivityStack {
		if (r != null) {
		mHandler.removeMessages(DESTROY_TIMEOUT_MSG, r);
		}
		if (DEBUG_CONTAINERS) Slog.d(TAG, "activityDestroyedLocked: r=" + r);

		if (isInStackLocked(token) != null) {
		if (r.state == ActivityState.DESTROYING) {
		@@ -3673,7 +3676,7 @@ final class ActivityStack {
		mStacks.remove(this);
		mStacks.add(0, this);
		}
		mActivityContainer.onTaskListEmpty();
		mActivityContainer.onTaskListEmptyLocked();
		}
		}

services/core/java/com/android/server/am/ActivityStackSupervisor.java

+57 −30

Original line number	Diff line number	Diff line
		@@ -105,6 +105,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
		static final boolean DEBUG_SAVED_STATE = DEBUG \|\| false;
		static final boolean DEBUG_STATES = DEBUG \|\| false;
		static final boolean DEBUG_IDLE = DEBUG \|\| false;
		static final boolean DEBUG_CONTAINERS = DEBUG \|\| false;

		public static final int HOME_STACK_ID = 0;

		@@ -127,6 +128,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
		static final int HANDLE_DISPLAY_REMOVED = FIRST_SUPERVISOR_STACK_MSG + 7;
		static final int CONTAINER_CALLBACK_VISIBILITY = FIRST_SUPERVISOR_STACK_MSG + 8;
		static final int CONTAINER_CALLBACK_TASK_LIST_EMPTY = FIRST_SUPERVISOR_STACK_MSG + 9;
		static final int CONTAINER_TASK_LIST_EMPTY_TIMEOUT = FIRST_SUPERVISOR_STACK_MSG + 10;

		private final static String VIRTUAL_DISPLAY_BASE_NAME = "ActivityViewVirtualDisplay";

		@@ -224,7 +226,7 @@ public final class ActivityStackSupervisor implements DisplayListener {

		// TODO: Add listener for removal of references.
		/** Mapping from (ActivityStack/TaskStack).mStackId to their current state */
		SparseArray<ActivityContainer> mActivityContainers = new SparseArray<ActivityContainer>();
		private SparseArray<ActivityContainer> mActivityContainers = new SparseArray<ActivityContainer>();

		/** Mapping from displayId to display current state */
		private final SparseArray<ActivityDisplay> mActivityDisplays =
		@@ -2161,8 +2163,10 @@ public final class ActivityStackSupervisor implements DisplayListener {

		ActivityContainer createActivityContainer(ActivityRecord parentActivity,
		IActivityContainerCallback callback) {
		ActivityContainer activityContainer = new VirtualActivityContainer(parentActivity, callback);
		ActivityContainer activityContainer =
		new VirtualActivityContainer(parentActivity, callback);
		mActivityContainers.put(activityContainer.mStackId, activityContainer);
		if (DEBUG_CONTAINERS) Slog.d(TAG, "createActivityContainer: " + activityContainer);
		parentActivity.mChildContainers.add(activityContainer);
		return activityContainer;
		}
		@@ -2171,6 +2175,8 @@ public final class ActivityStackSupervisor implements DisplayListener {
		final ArrayList<ActivityContainer> childStacks = parentActivity.mChildContainers;
		for (int containerNdx = childStacks.size() - 1; containerNdx >= 0; --containerNdx) {
		ActivityContainer container = childStacks.remove(containerNdx);
		if (DEBUG_CONTAINERS) Slog.d(TAG, "removeChildActivityContainers: removing " +
		container);
		container.release();
		}
		}
		@@ -2178,11 +2184,8 @@ public final class ActivityStackSupervisor implements DisplayListener {
		void deleteActivityContainer(IActivityContainer container) {
		ActivityContainer activityContainer = (ActivityContainer)container;
		if (activityContainer != null) {
		activityContainer.mStack.finishAllActivitiesLocked();
		final ActivityRecord parent = activityContainer.mParentActivity;
		if (parent != null) {
		parent.mChildContainers.remove(activityContainer);
		}
		if (DEBUG_CONTAINERS) Slog.d(TAG, "deleteActivityContainer: ",
		new RuntimeException("here").fillInStackTrace());
		final int stackId = activityContainer.mStackId;
		mActivityContainers.remove(stackId);
		mWindowManager.removeStack(stackId);
		@@ -2950,6 +2953,13 @@ public final class ActivityStackSupervisor implements DisplayListener {
		}
		}
		} break;
		case CONTAINER_TASK_LIST_EMPTY_TIMEOUT: {
		synchronized (mService) {
		Slog.w(TAG, "Timeout waiting for all activities in task to finish. " +
		msg.obj);
		((ActivityContainer) msg.obj).onTaskListEmptyLocked();
		}
		} break;
		}
		}
		}
		@@ -3006,9 +3016,11 @@ public final class ActivityStackSupervisor implements DisplayListener {

		@Override
		public int getDisplayId() {
		synchronized (mService) {
		if (mActivityDisplay != null) {
		return mActivityDisplay.mDisplayId;
		}
		}
		return -1;
		}

		@@ -3016,11 +3028,13 @@ public final class ActivityStackSupervisor implements DisplayListener {
		public boolean injectEvent(InputEvent event) {
		final long origId = Binder.clearCallingIdentity();
		try {
		synchronized (mService) {
		if (mActivityDisplay != null) {
		return mInputManagerInternal.injectInputEvent(event,
		mActivityDisplay.mDisplayId,
		InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
		}
		}
		return false;
		} finally {
		Binder.restoreCallingIdentity(origId);
		@@ -3029,10 +3043,16 @@ public final class ActivityStackSupervisor implements DisplayListener {

		@Override
		public void release() {
		synchronized (mService) {
		if (mContainerState == CONTAINER_STATE_FINISHING) {
		return;
		}
		mContainerState = CONTAINER_STATE_FINISHING;
		final Message msg =
		mHandler.obtainMessage(CONTAINER_TASK_LIST_EMPTY_TIMEOUT, this);
		mHandler.sendMessageDelayed(msg, 1000);
		mStack.finishAllActivitiesLocked();
		detachLocked();
		mWindowManager.removeStack(mStackId);
		}
		}

		private void detachLocked() {
		@@ -3123,17 +3143,19 @@ public final class ActivityStackSupervisor implements DisplayListener {
		return ActivityStackSupervisor.this;
		}

		boolean isAttached() {
		boolean isAttachedLocked() {
		return mActivityDisplay != null;
		}

		void getBounds(Point outBounds) {
		synchronized (mService) {
		if (mActivityDisplay != null) {
		mActivityDisplay.getBounds(outBounds);
		} else {
		outBounds.set(0, 0);
		}
		}
		}

		// TODO: Make sure every change to ActivityRecord.visible results in a call to this.
		void setVisible(boolean visible) {
		@@ -3154,7 +3176,12 @@ public final class ActivityStackSupervisor implements DisplayListener {
		return true;
		}

		void onTaskListEmpty() {
		void onTaskListEmptyLocked() {
		mHandler.removeMessages(CONTAINER_TASK_LIST_EMPTY_TIMEOUT, this);
		if (!mStack.isHomeStack()) {
		detachLocked();
		deleteActivityContainer(this);
		}
		mHandler.obtainMessage(CONTAINER_CALLBACK_TASK_LIST_EMPTY, this).sendToTarget();
		}

		@@ -3173,7 +3200,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
		mParentActivity = parent;
		mCallback = callback;
		mContainerState = CONTAINER_STATE_NO_SURFACE;
		mIdString = "VirtualActivtyContainer{" + mStackId + ", parent=" + mParentActivity + "}";
		mIdString = "VirtualActivityContainer{" + mStackId + ", parent=" + mParentActivity + "}";
		}

		@Override
		@@ -3219,22 +3246,22 @@ public final class ActivityStackSupervisor implements DisplayListener {
		}
		}

		setSurfaceIfReady();
		setSurfaceIfReadyLocked();

		if (DEBUG_STACK) Slog.d(TAG, "setSurface: " + this + " to display="
		+ virtualActivityDisplay);
		}

		@Override
		boolean isAttached() {
		return mSurface != null && super.isAttached();
		boolean isAttachedLocked() {
		return mSurface != null && super.isAttachedLocked();
		}

		@Override
		void setDrawn() {
		synchronized (mService) {
		mDrawn = true;
		setSurfaceIfReady();
		setSurfaceIfReadyLocked();
		}
		}

		@@ -3244,8 +3271,8 @@ public final class ActivityStackSupervisor implements DisplayListener {
		return false;
		}

		private void setSurfaceIfReady() {
		if (DEBUG_STACK) Slog.v(TAG, "setSurfaceIfReady: mDrawn=" + mDrawn +
		private void setSurfaceIfReadyLocked() {
		if (DEBUG_STACK) Slog.v(TAG, "setSurfaceIfReadyLocked: mDrawn=" + mDrawn +
		" mContainerState=" + mContainerState + " mSurface=" + mSurface);
		if (mDrawn && mSurface != null && mContainerState == CONTAINER_STATE_NO_SURFACE) {
		((VirtualActivityDisplay) mActivityDisplay).setSurface(mSurface);