Expose PendingIntent.addCancelListener am: 30bd1bb72d (81767ac8) · Commits · e / os / android_frameworks_base

core/api/module-lib-current.txt

+6 −0

Original line number	Diff line number	Diff line
		@@ -35,8 +35,14 @@ package android.app {
		}

		public final class PendingIntent implements android.os.Parcelable {
		method public boolean addCancelListener(@NonNull java.util.concurrent.Executor, @NonNull android.app.PendingIntent.CancelListener);
		method @RequiresPermission(android.Manifest.permission.GET_INTENT_SENDER_INTENT) public boolean intentFilterEquals(@Nullable android.app.PendingIntent);
		method @NonNull @RequiresPermission(android.Manifest.permission.GET_INTENT_SENDER_INTENT) public java.util.List<android.content.pm.ResolveInfo> queryIntentComponents(int);
		method public void removeCancelListener(@NonNull android.app.PendingIntent.CancelListener);
		}

		public static interface PendingIntent.CancelListener {
		method public void onCancelled(@NonNull android.app.PendingIntent);
		}

		public class StatusBarManager {

core/api/test-current.txt

+6 −0

Original line number	Diff line number	Diff line
		@@ -313,11 +313,17 @@ package android.app {
		}

		public final class PendingIntent implements android.os.Parcelable {
		method public boolean addCancelListener(@NonNull java.util.concurrent.Executor, @NonNull android.app.PendingIntent.CancelListener);
		method @RequiresPermission("android.permission.GET_INTENT_SENDER_INTENT") public boolean intentFilterEquals(@Nullable android.app.PendingIntent);
		method @NonNull @RequiresPermission("android.permission.GET_INTENT_SENDER_INTENT") public java.util.List<android.content.pm.ResolveInfo> queryIntentComponents(int);
		method public void removeCancelListener(@NonNull android.app.PendingIntent.CancelListener);
		field @Deprecated public static final int FLAG_MUTABLE_UNAUDITED = 33554432; // 0x2000000
		}

		public static interface PendingIntent.CancelListener {
		method public void onCancelled(@NonNull android.app.PendingIntent);
		}

		public final class PictureInPictureParams implements android.os.Parcelable {
		method public java.util.List<android.app.RemoteAction> getActions();
		method public float getAspectRatio();

core/java/android/app/IActivityManager.aidl

+8 −1

Original line number	Diff line number	Diff line
		@@ -250,7 +250,14 @@ interface IActivityManager {
		in String[] resolvedTypes, int flags, in Bundle options, int userId);
		void cancelIntentSender(in IIntentSender sender);
		ActivityManager.PendingIntentInfo getInfoForIntentSender(in IIntentSender sender);
		void registerIntentSenderCancelListener(in IIntentSender sender, in IResultReceiver receiver);
		/**
		This method used to be called registerIntentSenderCancelListener(), was void, and
		would call `receiver` if the PI has already been canceled.
		Now it returns false if the PI is cancelled, without calling `receiver`.
		The method was renamed to catch calls to the original method.
		*/
		boolean registerIntentSenderCancelListenerEx(in IIntentSender sender,
		in IResultReceiver receiver);
		void unregisterIntentSenderCancelListener(in IIntentSender sender, in IResultReceiver receiver);
		void enterSafeMode();
		void noteWakeupAlarm(in IIntentSender sender, in WorkSource workSource, int sourceUid,

core/java/android/app/PendingIntent.java

+92 −21

Original line number	Diff line number	Diff line
		@@ -53,8 +53,10 @@ import android.os.RemoteException;
		import android.os.UserHandle;
		import android.util.AndroidException;
		import android.util.ArraySet;
		import android.util.Pair;
		import android.util.proto.ProtoOutputStream;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.os.IResultReceiver;

		import java.lang.annotation.Retention;
		@@ -62,6 +64,7 @@ import java.lang.annotation.RetentionPolicy;
		import java.util.Collections;
		import java.util.List;
		import java.util.Objects;
		import java.util.concurrent.Executor;

		/**
		* A description of an Intent and target action to perform with it. Instances
		@@ -127,7 +130,27 @@ public final class PendingIntent implements Parcelable {
		private final IIntentSender mTarget;
		private IResultReceiver mCancelReceiver;
		private IBinder mWhitelistToken;
		private ArraySet<CancelListener> mCancelListeners;

		/**
		* To protect {@link #mCancelListeners}. We could stop lazy-initialization and synchronize
		* on {@link #mCancelListeners} directly, and that wouldn't increase allocations
		* (an empty ArraySet won't causew extra allocations), but
		* because an empty ArraySet is slightly larger than an Object, and because
		* {@link #addCancelListener} is rarely used, having a separate lock object would probably
		* be a net win.
		*/
		private final Object mLock = new Object();

		@GuardedBy("mLock")
		private ArraySet<Pair<Executor, CancelListener>> mCancelListeners;

		/**
		* Whether the PI is canceld or not. Note this is essentially a "cache" that's updated
		* only when the client uses {@link #addCancelListener}. Even if this is fase, that
		* still doesn't know the PI is not cancled, but if it's true, this PI is definitely canceled.
		*/
		@GuardedBy("mLock")
		private boolean mCanceled;

		// cached pending intent information
		private @Nullable PendingIntentInfo mCachedInfo;
		@@ -1048,19 +1071,38 @@ public final class PendingIntent implements Parcelable {
		}

		/**
		* Register a listener to when this pendingIntent is cancelled. There are no guarantees on which
		* thread a listener will be called and it's up to the caller to synchronize. This may
		* trigger a synchronous binder call so should therefore usually be called on a background
		* thread.
		* @hide
		* @deprecated use {@link #addCancelListener(Executor, CancelListener)} instead.
		*/
		@Deprecated
		public void registerCancelListener(@NonNull CancelListener cancelListener) {
		if (!addCancelListener(Runnable::run, cancelListener)) {
		// Call the callback right away synchronously, if the PI has been canceled already.
		cancelListener.onCancelled(this);
		}
		}

		/**
		* Register a listener to when this pendingIntent is cancelled.
		*
		* @return true if the listener has been set successfully. false if the {@link PendingIntent}
		* has already been canceled.
		*
		* @hide
		*/
		public void registerCancelListener(CancelListener cancelListener) {
		synchronized (this) {
		@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
		@TestApi
		public boolean addCancelListener(@NonNull Executor executor,
		@NonNull CancelListener cancelListener) {
		synchronized (mLock) {
		if (mCanceled) {
		return false;
		}

		if (mCancelReceiver == null) {
		mCancelReceiver = new IResultReceiver.Stub() {
		@Override
		public void send(int resultCode, Bundle resultData) throws RemoteException {
		public void send(int resultCode, Bundle resultData) {
		notifyCancelListeners();
		}
		};
		@@ -1069,27 +1111,49 @@ public final class PendingIntent implements Parcelable {
		mCancelListeners = new ArraySet<>();
		}
		boolean wasEmpty = mCancelListeners.isEmpty();
		mCancelListeners.add(cancelListener);
		mCancelListeners.add(Pair.create(executor, cancelListener));
		if (wasEmpty) {
		boolean success;
		try {
		ActivityManager.getService().registerIntentSenderCancelListener(mTarget,
		mCancelReceiver);
		success = ActivityManager.getService().registerIntentSenderCancelListenerEx(
		mTarget, mCancelReceiver);
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		if (!success) {
		mCanceled = true;
		}
		return success;
		} else {
		return !mCanceled;
		}
		}
		}

		private void notifyCancelListeners() {
		ArraySet<CancelListener> cancelListeners;
		synchronized (this) {
		ArraySet<Pair<Executor, CancelListener>> cancelListeners;
		synchronized (mLock) {
		if (mCancelListeners == null \|\| mCancelListeners.size() == 0) {
		return;
		}
		mCanceled = true;
		cancelListeners = new ArraySet<>(mCancelListeners);
		mCancelListeners.clear();
		}
		int size = cancelListeners.size();
		for (int i = 0; i < size; i++) {
		cancelListeners.valueAt(i).onCancelled(this);
		final Pair<Executor, CancelListener> pair = cancelListeners.valueAt(i);
		pair.first.execute(() -> pair.second.onCancelled(this));
		}
		}

		/**
		* @hide
		* @deprecated use {@link #removeCancelListener(CancelListener)} instead.
		*/
		@Deprecated
		public void unregisterCancelListener(CancelListener cancelListener) {
		removeCancelListener(cancelListener);
		}

		/**
		@@ -1097,14 +1161,19 @@ public final class PendingIntent implements Parcelable {
		*
		* @hide
		*/
		public void unregisterCancelListener(CancelListener cancelListener) {
		synchronized (this) {
		if (mCancelListeners == null) {
		@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
		@TestApi
		public void removeCancelListener(@NonNull CancelListener cancelListener) {
		synchronized (mLock) {
		if (mCancelListeners.size() == 0) {
		return;
		}
		boolean wasEmpty = mCancelListeners.isEmpty();
		mCancelListeners.remove(cancelListener);
		if (mCancelListeners.isEmpty() && !wasEmpty) {
		for (int i = mCancelListeners.size() - 1; i >= 0; i--) {
		if (mCancelListeners.valueAt(i).second == cancelListener) {
		mCancelListeners.removeAt(i);
		}
		}
		if (mCancelListeners.isEmpty()) {
		try {
		ActivityManager.getService().unregisterIntentSenderCancelListener(mTarget,
		mCancelReceiver);
		@@ -1401,13 +1470,15 @@ public final class PendingIntent implements Parcelable {
		*
		* @hide
		*/
		@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
		@TestApi
		public interface CancelListener {
		/**
		* Called when a Pending Intent is cancelled.
		*
		* @param intent The intent that was cancelled.
		*/
		void onCancelled(PendingIntent intent);
		void onCancelled(@NonNull PendingIntent intent);
		}

		private PendingIntentInfo getCachedInfo() {

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

+3 −2

Original line number	Diff line number	Diff line
		@@ -4990,8 +4990,9 @@ public class ActivityManagerService extends IActivityManager.Stub
		}

		@Override
		public void registerIntentSenderCancelListener(IIntentSender sender, IResultReceiver receiver) {
		mPendingIntentController.registerIntentSenderCancelListener(sender, receiver);
		public boolean registerIntentSenderCancelListenerEx(
		IIntentSender sender, IResultReceiver receiver) {
		return mPendingIntentController.registerIntentSenderCancelListener(sender, receiver);
		}

		@Override