OverlayManagerService: Make broadcasts/updates explicit (c745f421) · Commits · e / os / android_frameworks_base

core/java/android/content/Intent.java

+0 −23

Original line number	Diff line number	Diff line
		@@ -3188,13 +3188,6 @@ public class Intent implements Parcelable, Cloneable {
		public static final String ACTION_MEDIA_RESOURCE_GRANTED =
		"android.intent.action.MEDIA_RESOURCE_GRANTED";

		/**
		* Broadcast Action: An overlay package has been installed. The data
		* contains the name of the added overlay package.
		* @hide
		*/
		public static final String ACTION_OVERLAY_ADDED = "android.intent.action.OVERLAY_ADDED";

		/**
		* Broadcast Action: An overlay package has changed. The data contains the
		* name of the overlay package which has changed. This is broadcast on all
		@@ -3206,22 +3199,6 @@ public class Intent implements Parcelable, Cloneable {
		*/
		public static final String ACTION_OVERLAY_CHANGED = "android.intent.action.OVERLAY_CHANGED";

		/**
		* Broadcast Action: An overlay package has been removed. The data contains
		* the name of the overlay package which has been removed.
		* @hide
		*/
		public static final String ACTION_OVERLAY_REMOVED = "android.intent.action.OVERLAY_REMOVED";

		/**
		* Broadcast Action: The order of a package's list of overlay packages has
		* changed. The data contains the package name of the overlay package that
		* had its position in the list adjusted.
		* @hide
		*/
		public static final String
		ACTION_OVERLAY_PRIORITY_CHANGED = "android.intent.action.OVERLAY_PRIORITY_CHANGED";

		/**
		* Activity Action: Allow the user to select and return one or more existing
		* documents. When invoked, the system will display the various

services/core/java/com/android/server/om/OverlayManagerService.java

+52 −90

Original line number	Diff line number	Diff line
		@@ -193,13 +193,10 @@ import java.util.concurrent.atomic.AtomicBoolean;
		* </ul>
		*/
		public final class OverlayManagerService extends SystemService {

		static final String TAG = "OverlayManager";

		static final boolean DEBUG = false;

		static final String PERMISSION_DENIED = "Operation not permitted for user shell";

		/**
		* The system property that specifies the default overlays to apply.
		* This is a semicolon separated list of package names.
		@@ -234,7 +231,7 @@ public final class OverlayManagerService extends SystemService {
		IdmapManager im = new IdmapManager(installer);
		mSettings = new OverlayManagerSettings();
		mImpl = new OverlayManagerServiceImpl(mPackageManager, im, mSettings,
		getDefaultOverlayPackages());
		getDefaultOverlayPackages(), new OverlayChangeListener());
		mInitCompleteSignal = SystemServerInitThreadPool.get().submit(() -> {
		final IntentFilter packageFilter = new IntentFilter();
		packageFilter.addAction(ACTION_PACKAGE_ADDED);
		@@ -251,9 +248,6 @@ public final class OverlayManagerService extends SystemService {

		restoreSettings();
		onSwitchUser(UserHandle.USER_SYSTEM);
		schedulePersistSettings();

		mSettings.addChangeListener(new OverlayChangeListener());

		publishBinderService(Context.OVERLAY_SERVICE, mService);
		publishLocalService(OverlayManagerService.class, this);
		@@ -281,8 +275,9 @@ public final class OverlayManagerService extends SystemService {
		final List<String> targets;
		synchronized (mLock) {
		targets = mImpl.onSwitchUser(newUserId);
		updateAssetsLocked(newUserId, targets);
		}
		updateAssets(newUserId, targets);
		schedulePersistSettings();
		}

		private static Set<String> getDefaultOverlayPackages() {
		@@ -348,7 +343,8 @@ public final class OverlayManagerService extends SystemService {
		@NonNull final int[] userIds) {
		for (final int userId : userIds) {
		synchronized (mLock) {
		final PackageInfo pi = mPackageManager.getPackageInfo(packageName, userId, false);
		final PackageInfo pi = mPackageManager.getPackageInfo(packageName, userId,
		false);
		if (pi != null) {
		mPackageManager.cachePackageInfo(packageName, userId, pi);
		if (!isOverlayPackage(pi)) {
		@@ -365,7 +361,8 @@ public final class OverlayManagerService extends SystemService {
		@NonNull final int[] userIds) {
		for (int userId : userIds) {
		synchronized (mLock) {
		final PackageInfo pi = mPackageManager.getPackageInfo(packageName, userId, false);
		final PackageInfo pi = mPackageManager.getPackageInfo(packageName, userId,
		false);
		if (pi != null) {
		mPackageManager.cachePackageInfo(packageName, userId, pi);
		if (!isOverlayPackage(pi)) {
		@@ -397,7 +394,8 @@ public final class OverlayManagerService extends SystemService {
		@NonNull final int[] userIds) {
		for (int userId : userIds) {
		synchronized (mLock) {
		final PackageInfo pi = mPackageManager.getPackageInfo(packageName, userId, false);
		final PackageInfo pi = mPackageManager.getPackageInfo(packageName, userId,
		false);
		if (pi != null) {
		mPackageManager.cachePackageInfo(packageName, userId, pi);
		if (!isOverlayPackage(pi)) {
		@@ -449,8 +447,7 @@ public final class OverlayManagerService extends SystemService {

		private final IBinder mService = new IOverlayManager.Stub() {
		@Override
		public Map<String, List<OverlayInfo>> getAllOverlays(int userId)
		throws RemoteException {
		public Map<String, List<OverlayInfo>> getAllOverlays(int userId) throws RemoteException {
		userId = handleIncomingUser(userId, "getAllOverlays");

		synchronized (mLock) {
		@@ -508,14 +505,14 @@ public final class OverlayManagerService extends SystemService {
		int userId) throws RemoteException {
		enforceChangeOverlayPackagesPermission("setEnabled");
		userId = handleIncomingUser(userId, "setEnabled");
		if (packageName == null) {
		if (packageName == null \|\| !enable) {
		return false;
		}

		final long ident = Binder.clearCallingIdentity();
		try {
		synchronized (mLock) {
		return mImpl.setEnabledExclusive(packageName, enable, userId);
		return mImpl.setEnabledExclusive(packageName, userId);
		}
		} finally {
		Binder.restoreCallingIdentity(ident);
		@@ -643,68 +640,24 @@ public final class OverlayManagerService extends SystemService {
		return pi != null && pi.overlayTarget != null;
		}

		private final class OverlayChangeListener implements OverlayManagerSettings.ChangeListener {
		private final class OverlayChangeListener
		implements OverlayManagerServiceImpl.OverlayChangeListener {
		@Override
		public void onSettingsChanged() {
		public void onOverlaysChanged(@NonNull final String targetPackageName, final int userId) {
		schedulePersistSettings();
		FgThread.getHandler().post(() -> {
		synchronized (mLock) {
		updateAssetsLocked(userId, targetPackageName);
		}

		@Override
		public void onOverlayAdded(@NonNull final OverlayInfo oi) {
		scheduleBroadcast(Intent.ACTION_OVERLAY_ADDED, oi, oi.isEnabled());
		}

		@Override
		public void onOverlayRemoved(@NonNull final OverlayInfo oi) {
		scheduleBroadcast(Intent.ACTION_OVERLAY_REMOVED, oi, oi.isEnabled());
		}

		@Override
		public void onOverlayChanged(@NonNull final OverlayInfo oi,
		@NonNull final OverlayInfo oldOi) {
		scheduleBroadcast(Intent.ACTION_OVERLAY_CHANGED, oi, oi.isEnabled() != oldOi.isEnabled());
		}

		@Override
		public void onOverlayPriorityChanged(@NonNull final OverlayInfo oi) {
		scheduleBroadcast(Intent.ACTION_OVERLAY_PRIORITY_CHANGED, oi, oi.isEnabled());
		}

		private void scheduleBroadcast(@NonNull final String action, @NonNull final OverlayInfo oi,
		final boolean doUpdate) {
		FgThread.getHandler().post(new BroadcastRunnable(action, oi, doUpdate));
		}

		private final class BroadcastRunnable implements Runnable {
		private final String mAction;
		private final OverlayInfo mOverlayInfo;
		private final boolean mDoUpdate;

		BroadcastRunnable(@NonNull final String action, @NonNull final OverlayInfo oi,
		final boolean doUpdate) {
		mAction = action;
		mOverlayInfo = oi;
		mDoUpdate = doUpdate;
		}

		@Override
		public void run() {
		if (mDoUpdate) {
		updateAssets(mOverlayInfo.userId, mOverlayInfo.targetPackageName);
		}
		sendBroadcast(mAction, mOverlayInfo.targetPackageName, mOverlayInfo.packageName,
		mOverlayInfo.userId);
		}

		private void sendBroadcast(@NonNull final String action,
		@NonNull final String targetPackageName, @NonNull final String packageName,
		final int userId) {
		final Intent intent = new Intent(action, Uri.fromParts("package",
		String.format("%s/%s", targetPackageName, packageName), null));
		final Intent intent = new Intent(Intent.ACTION_OVERLAY_CHANGED,
		Uri.fromParts("package", targetPackageName, null));
		intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);

		if (DEBUG) {
		Slog.d(TAG, String.format("send broadcast %s", intent));
		Slog.d(TAG, "send broadcast " + intent);
		}

		try {
		ActivityManager.getService().broadcastIntent(null, intent, null, null, 0,
		null, null, null, android.app.AppOpsManager.OP_NONE, null, false, false,
		@@ -712,18 +665,20 @@ public final class OverlayManagerService extends SystemService {
		} catch (RemoteException e) {
		// Intentionally left empty.
		}
		}

		});
		}
		}

		private void updateAssets(final int userId, final String targetPackageName) {
		private void updateAssetsLocked(final int userId, final String targetPackageName) {
		final List<String> list = new ArrayList<>();
		list.add(targetPackageName);
		updateAssets(userId, list);
		updateAssetsLocked(userId, list);
		}

		private void updateAssets(final int userId, List<String> targetPackageNames) {
		private void updateAssetsLocked(final int userId, List<String> targetPackageNames) {
		if (DEBUG) {
		Slog.d(TAG, "Updating overlay assets");
		}
		final PackageManagerInternal pm = LocalServices.getService(PackageManagerInternal.class);
		final boolean updateFrameworkRes = targetPackageNames.contains("android");
		if (updateFrameworkRes) {
		@@ -743,6 +698,12 @@ public final class OverlayManagerService extends SystemService {
		final int N = targetPackageNames.size();
		for (int i = 0; i < N; i++) {
		final String targetPackageName = targetPackageNames.get(i);
		if (DEBUG) {
		Slog.d(TAG, "-> Updating overlay: target=" + targetPackageName + " overlays=["
		+ TextUtils.join(",", pendingChanges.get(targetPackageName))
		+ "] userId=" + userId);
		}

		if (!pm.setEnabledOverlayPackages(
		userId, targetPackageName, pendingChanges.get(targetPackageName))) {
		Slog.e(TAG, String.format("Failed to change enabled overlays for %s user %d",
		@@ -762,10 +723,11 @@ public final class OverlayManagerService extends SystemService {
		if (mPersistSettingsScheduled.getAndSet(true)) {
		return;
		}
		IoThread.getHandler().post(new Runnable() {
		@Override
		public void run() {
		IoThread.getHandler().post(() -> {
		mPersistSettingsScheduled.set(false);
		if (DEBUG) {
		Slog.d(TAG, "Writing overlay settings");
		}
		synchronized (mLock) {
		FileOutputStream stream = null;
		try {
		@@ -777,7 +739,6 @@ public final class OverlayManagerService extends SystemService {
		Slog.e(TAG, "failed to persist overlay state", e);
		}
		}
		}
		});
		}

		@@ -862,7 +823,8 @@ public final class OverlayManagerService extends SystemService {
		// The package manager does not support different versions of packages
		// to be installed for different users: ignore userId for now.
		try {
		return mPackageManager.checkSignatures(packageName1, packageName2) == SIGNATURE_MATCH;
		return mPackageManager.checkSignatures(
		packageName1, packageName2) == SIGNATURE_MATCH;
		} catch (RemoteException e) {
		// Intentionally left blank
		}

services/core/java/com/android/server/om/OverlayManagerServiceImpl.java

+122 −33

Original line number	Diff line number	Diff line
		@@ -54,15 +54,18 @@ final class OverlayManagerServiceImpl {
		private final IdmapManager mIdmapManager;
		private final OverlayManagerSettings mSettings;
		private final Set<String> mDefaultOverlays;
		private final OverlayChangeListener mListener;

		OverlayManagerServiceImpl(@NonNull final PackageManagerHelper packageManager,
		@NonNull final IdmapManager idmapManager,
		@NonNull final OverlayManagerSettings settings,
		@NonNull final Set<String> defaultOverlays) {
		@NonNull final Set<String> defaultOverlays,
		@NonNull final OverlayChangeListener listener) {
		mPackageManager = packageManager;
		mIdmapManager = idmapManager;
		mSettings = settings;
		mDefaultOverlays = defaultOverlays;
		mListener = listener;
		}

		/*
		@@ -145,7 +148,6 @@ final class OverlayManagerServiceImpl {
		iter.remove();
		}
		}

		return new ArrayList<>(packagesToUpdateAssets);
		}

		@@ -199,25 +201,30 @@ final class OverlayManagerServiceImpl {
		updateAllOverlaysForTarget(packageName, userId, null);
		}

		private void updateAllOverlaysForTarget(@NonNull final String packageName, final int userId,
		/**
		* Returns true if the settings were modified for this target.
		*/
		private boolean updateAllOverlaysForTarget(@NonNull final String packageName, final int userId,
		@Nullable final PackageInfo targetPackage) {
		boolean modified = false;
		final List<OverlayInfo> ois = mSettings.getOverlaysForTarget(packageName, userId);
		final int N = ois.size();
		for (int i = 0; i < N; i++) {
		final OverlayInfo oi = ois.get(i);
		final PackageInfo overlayPackage = mPackageManager.getPackageInfo(oi.packageName, userId);
		if (overlayPackage == null) {
		mSettings.remove(oi.packageName, oi.userId);
		modified \|= mSettings.remove(oi.packageName, oi.userId);
		removeIdmapIfPossible(oi);
		} else {
		try {
		updateState(targetPackage, overlayPackage, userId);
		modified \|= updateState(targetPackage, overlayPackage, userId);
		} catch (OverlayManagerSettings.BadKeyException e) {
		Slog.e(TAG, "failed to update settings", e);
		mSettings.remove(oi.packageName, userId);
		modified \|= mSettings.remove(oi.packageName, userId);
		}
		}
		}
		return modified;
		}

		void onOverlayPackageAdded(@NonNull final String packageName, final int userId) {
		@@ -238,7 +245,9 @@ final class OverlayManagerServiceImpl {
		mSettings.init(packageName, userId, overlayPackage.overlayTarget,
		overlayPackage.applicationInfo.getBaseCodePath());
		try {
		updateState(targetPackage, overlayPackage, userId);
		if (updateState(targetPackage, overlayPackage, userId)) {
		mListener.onOverlaysChanged(overlayPackage.overlayTarget, userId);
		}
		} catch (OverlayManagerSettings.BadKeyException e) {
		Slog.e(TAG, "failed to update settings", e);
		mSettings.remove(packageName, userId);
		@@ -289,8 +298,9 @@ final class OverlayManagerServiceImpl {
		if (overlayPackage == null) {
		return false;
		}
		// Static overlay is always being enabled.
		if (!enable && overlayPackage.isStaticOverlay) {

		// Ignore static overlays.
		if (overlayPackage.isStaticOverlay) {
		return false;
		}

		@@ -298,19 +308,21 @@ final class OverlayManagerServiceImpl {
		final OverlayInfo oi = mSettings.getOverlayInfo(packageName, userId);
		final PackageInfo targetPackage =
		mPackageManager.getPackageInfo(oi.targetPackageName, userId);
		mSettings.setEnabled(packageName, userId, enable);
		updateState(targetPackage, overlayPackage, userId);
		boolean modified = mSettings.setEnabled(packageName, userId, enable);
		modified \|= updateState(targetPackage, overlayPackage, userId);

		if (modified) {
		mListener.onOverlaysChanged(oi.targetPackageName, userId);
		}
		return true;
		} catch (OverlayManagerSettings.BadKeyException e) {
		return false;
		}
		}

		boolean setEnabledExclusive(@NonNull final String packageName, final boolean enable,
		final int userId) {
		boolean setEnabledExclusive(@NonNull final String packageName, final int userId) {
		if (DEBUG) {
		Slog.d(TAG, String.format("setEnabled packageName=%s enable=%s userId=%d",
		packageName, enable, userId));
		Slog.d(TAG, String.format("setEnabledExclusive packageName=%s userId=%d", packageName, userId));
		}

		final PackageInfo overlayPackage = mPackageManager.getPackageInfo(packageName, userId);
		@@ -320,23 +332,48 @@ final class OverlayManagerServiceImpl {

		try {
		final OverlayInfo oi = mSettings.getOverlayInfo(packageName, userId);
		final PackageInfo targetPackage =
		mPackageManager.getPackageInfo(oi.targetPackageName, userId);

		List<OverlayInfo> allOverlays = getOverlayInfosForTarget(oi.targetPackageName, userId);

		boolean modified = false;

		// Disable all other overlays.
		allOverlays.remove(oi);
		for (int i = 0; i < allOverlays.size(); i++) {
		// TODO: Optimize this to only send updates after all changes.
		setEnabled(allOverlays.get(i).packageName, false, userId);
		final String disabledOverlayPackageName = allOverlays.get(i).packageName;
		final PackageInfo disabledOverlayPackageInfo = mPackageManager.getPackageInfo(
		disabledOverlayPackageName, userId);
		if (disabledOverlayPackageInfo == null) {
		modified \|= mSettings.remove(disabledOverlayPackageName, userId);
		continue;
		}

		if (disabledOverlayPackageInfo.isStaticOverlay) {
		// Don't touch static overlays.
		continue;
		}

		setEnabled(packageName, enable, userId);
		// Disable the overlay.
		modified \|= mSettings.setEnabled(disabledOverlayPackageName, userId, false);
		modified \|= updateState(targetPackage, disabledOverlayPackageInfo, userId);
		}

		// Enable the selected overlay.
		modified \|= mSettings.setEnabled(packageName, userId, true);
		modified \|= updateState(targetPackage, overlayPackage, userId);

		if (modified) {
		mListener.onOverlaysChanged(oi.targetPackageName, userId);
		}
		return true;
		} catch (OverlayManagerSettings.BadKeyException e) {
		return false;
		}
		}

		boolean isPackageUpdatableOverlay(@NonNull final String packageName, final int userId) {
		private boolean isPackageUpdatableOverlay(@NonNull final String packageName, final int userId) {
		final PackageInfo overlayPackage = mPackageManager.getPackageInfo(packageName, userId);
		if (overlayPackage == null \|\| overlayPackage.isStaticOverlay) {
		return false;
		@@ -346,18 +383,64 @@ final class OverlayManagerServiceImpl {

		boolean setPriority(@NonNull final String packageName,
		@NonNull final String newParentPackageName, final int userId) {
		return isPackageUpdatableOverlay(packageName, userId) &&
		mSettings.setPriority(packageName, newParentPackageName, userId);
		if (DEBUG) {
		Slog.d(TAG, "setPriority packageName=" + packageName + " newParentPackageName="
		+ newParentPackageName + " userId=" + userId);
		}

		if (!isPackageUpdatableOverlay(packageName, userId)) {
		return false;
		}

		final PackageInfo overlayPackage = mPackageManager.getPackageInfo(packageName, userId);
		if (overlayPackage == null) {
		return false;
		}

		if (mSettings.setPriority(packageName, newParentPackageName, userId)) {
		mListener.onOverlaysChanged(overlayPackage.overlayTarget, userId);
		}
		return true;
		}

		boolean setHighestPriority(@NonNull final String packageName, final int userId) {
		return isPackageUpdatableOverlay(packageName, userId) &&
		mSettings.setHighestPriority(packageName, userId);
		if (DEBUG) {
		Slog.d(TAG, "setHighestPriority packageName=" + packageName + " userId=" + userId);
		}

		if (!isPackageUpdatableOverlay(packageName, userId)) {
		return false;
		}

		final PackageInfo overlayPackage = mPackageManager.getPackageInfo(packageName, userId);
		if (overlayPackage == null) {
		return false;
		}

		if (mSettings.setHighestPriority(packageName, userId)) {
		mListener.onOverlaysChanged(overlayPackage.overlayTarget, userId);
		}
		return true;
		}

		boolean setLowestPriority(@NonNull final String packageName, final int userId) {
		return isPackageUpdatableOverlay(packageName, userId) &&
		mSettings.setLowestPriority(packageName, userId);
		if (DEBUG) {
		Slog.d(TAG, "setLowestPriority packageName=" + packageName + " userId=" + userId);
		}

		if (!isPackageUpdatableOverlay(packageName, userId)) {
		return false;
		}

		final PackageInfo overlayPackage = mPackageManager.getPackageInfo(packageName, userId);
		if (overlayPackage == null) {
		return false;
		}

		if (mSettings.setLowestPriority(packageName, userId)) {
		mListener.onOverlaysChanged(overlayPackage.overlayTarget, userId);
		}
		return true;
		}

		void onDump(@NonNull final PrintWriter pw) {
		@@ -379,7 +462,10 @@ final class OverlayManagerServiceImpl {
		return paths;
		}

		private void updateState(@Nullable final PackageInfo targetPackage,
		/**
		* Returns true if the settings/state was modified, false otherwise.
		*/
		private boolean updateState(@Nullable final PackageInfo targetPackage,
		@NonNull final PackageInfo overlayPackage, final int userId)
		throws OverlayManagerSettings.BadKeyException {
		// Static RROs targeting to "android", ie framework-res.apk, are handled by native layers.
		@@ -388,7 +474,7 @@ final class OverlayManagerServiceImpl {
		mIdmapManager.createIdmap(targetPackage, overlayPackage, userId);
		}

		mSettings.setBaseCodePath(overlayPackage.packageName, userId,
		boolean modified = mSettings.setBaseCodePath(overlayPackage.packageName, userId,
		overlayPackage.applicationInfo.getBaseCodePath());

		final int currentState = mSettings.getState(overlayPackage.packageName, userId);
		@@ -400,8 +486,9 @@ final class OverlayManagerServiceImpl {
		OverlayInfo.stateToString(currentState),
		OverlayInfo.stateToString(newState)));
		}
		mSettings.setState(overlayPackage.packageName, userId, newState);
		modified \|= mSettings.setState(overlayPackage.packageName, userId, newState);
		}
		return modified;
		}

		private int calculateNewState(@Nullable final PackageInfo targetPackage,
		@@ -441,10 +528,8 @@ final class OverlayManagerServiceImpl {
		if (!mIdmapManager.idmapExists(oi)) {
		return;
		}
		final List<Integer> userIds = mSettings.getUsers();
		final int N = userIds.size();
		for (int i = 0; i < N; i++) {
		final int userId = userIds.get(i);
		final int[] userIds = mSettings.getUsers();
		for (int userId : userIds) {
		try {
		final OverlayInfo tmp = mSettings.getOverlayInfo(oi.packageName, userId);
		if (tmp != null && tmp.isEnabled()) {
		@@ -458,6 +543,10 @@ final class OverlayManagerServiceImpl {
		mIdmapManager.removeIdmap(oi, oi.userId);
		}

		interface OverlayChangeListener {
		void onOverlaysChanged(@NonNull String targetPackage, int userId);
		}

		interface PackageManagerHelper {
		PackageInfo getPackageInfo(@NonNull String packageName, int userId);
		boolean signaturesMatching(@NonNull String packageName1, @NonNull String packageName2,

services/core/java/com/android/server/om/OverlayManagerSettings.java

+173 −319

File changed.

Preview size limit exceeded, changes collapsed.