Merge "Fix disconnection bug in ServiceWatcher" into rvc-dev am: 4986726503 (07cd555b) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/ServiceWatcher.java

+10 −14

Original line number	Diff line number	Diff line
		@@ -100,7 +100,7 @@ public class ServiceWatcher implements ServiceConnection {
		@Nullable public final ComponentName component;
		@UserIdInt public final int userId;

		private ServiceInfo(ResolveInfo resolveInfo, int currentUserId) {
		ServiceInfo(ResolveInfo resolveInfo, int currentUserId) {
		Preconditions.checkArgument(resolveInfo.serviceInfo.getComponentName() != null);

		Bundle metadata = resolveInfo.serviceInfo.metaData;
		@@ -316,6 +316,7 @@ public class ServiceWatcher implements ServiceConnection {
		}

		mContext.unbindService(this);
		onServiceDisconnected(mServiceInfo.component);
		mServiceInfo = ServiceInfo.NONE;
		}

		@@ -339,15 +340,13 @@ public class ServiceWatcher implements ServiceConnection {
		@Override
		public final void onServiceConnected(ComponentName component, IBinder binder) {
		Preconditions.checkState(Looper.myLooper() == mHandler.getLooper());
		Preconditions.checkState(mBinder == null);

		if (D) {
		Log.i(TAG, getLogPrefix() + " connected to " + component.toShortString());
		}

		mBinder = binder;

		// we always run the on bind callback even if we know that the binder is dead already so
		// that there are always balance pairs of bind/unbind callbacks
		if (mOnBind != null) {
		try {
		mOnBind.run(binder);
		@@ -357,19 +356,16 @@ public class ServiceWatcher implements ServiceConnection {
		Log.e(TAG, getLogPrefix() + " exception running on " + mServiceInfo, e);
		}
		}

		try {
		// setting the binder to null lets us skip queued transactions
		binder.linkToDeath(() -> mBinder = null, 0);
		} catch (RemoteException e) {
		mBinder = null;
		}
		}

		@Override
		public final void onServiceDisconnected(ComponentName component) {
		Preconditions.checkState(Looper.myLooper() == mHandler.getLooper());

		if (mBinder == null) {
		return;
		}

		if (D) {
		Log.i(TAG, getLogPrefix() + " disconnected from " + component.toShortString());
		}
		@@ -391,18 +387,18 @@ public class ServiceWatcher implements ServiceConnection {
		onBestServiceChanged(true);
		}

		private void onUserSwitched(@UserIdInt int userId) {
		void onUserSwitched(@UserIdInt int userId) {
		mCurrentUserId = userId;
		onBestServiceChanged(false);
		}

		private void onUserUnlocked(@UserIdInt int userId) {
		void onUserUnlocked(@UserIdInt int userId) {
		if (userId == mCurrentUserId) {
		onBestServiceChanged(false);
		}
		}

		private void onPackageChanged(String packageName) {
		void onPackageChanged(String packageName) {
		// force a rebind if the changed package was the currently connected package
		String currentPackageName =
		mServiceInfo.component != null ? mServiceInfo.component.getPackageName() : null;