Migrate ShortcutService to PackageMonitor (24e7af4a) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/pm/ShortcutService.java

+81 −65

Original line number	Diff line number	Diff line
		@@ -113,6 +113,7 @@ import android.view.IWindowManager;
		import com.android.internal.R;
		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.content.PackageMonitor;
		import com.android.internal.logging.MetricsLogger;
		import com.android.internal.util.CollectionUtils;
		import com.android.internal.util.DumpUtils;
		@@ -3607,80 +3608,95 @@ public class ShortcutService extends IShortcutService.Stub {
		* Package event callbacks.
		*/
		@VisibleForTesting
		final BroadcastReceiver mPackageMonitor = new BroadcastReceiver() {
		final BroadcastReceiver mPackageMonitor = new PackageMonitor() {
		private long mToken;

		/**
		* Called by the system before any specific package event callbacks are invoked.
		* We use this to clear the calling identity for all subsequent handler calls.
		*/
		@Override
		public void onReceive(Context context, Intent intent) {
		final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);
		if (userId == UserHandle.USER_NULL) {
		Slog.w(TAG, "Intent broadcast does not contain user handle: " + intent);
		return;
		public void onBeginPackageChanges() {
		mToken = injectClearCallingIdentity();
		}

		final String action = intent.getAction();
		/**
		* Called by the system after all package event callbacks for a given
		* broadcast have finished. We use this to restore the original calling identity.
		*/
		@Override
		public void onFinishPackageChanges() {
		injectRestoreCallingIdentity(mToken);
		}

		// This is normally called on Handler, so clearCallingIdentity() isn't needed,
		// but we still check it in unit tests.
		final long token = injectClearCallingIdentity();
		try {
		/**
		* Helper to check if the user for the current event is unlocked.
		* All package-related events are ignored for locked or stopped users.
		*/
		private boolean isUserUnlocked() {
		synchronized (mServiceLock) {
		int userId = getChangingUserId();
		if (!isUserUnlockedL(userId)) {
		if (DEBUG) {
		Slog.d(TAG, "Ignoring package broadcast " + action
		+ " for locked/stopped userId=" + userId);
		Slog.d(TAG, "Ignoring package event for locked/stopped userId=" + userId);
		}
		return;
		return false;
		}
		return true;
		}
		}

		final Uri intentUri = intent.getData();
		final String packageName = (intentUri != null) ? intentUri.getSchemeSpecificPart()
		: null;
		if (packageName == null) {
		Slog.w(TAG, "Intent broadcast does not contain package name: " + intent);
		return;
		@Override
		public void onPackageAdded(String packageName, int uid) {
		if (!isUserUnlocked()) return;
		Slog.d(TAG, "adding package: " + packageName + " userId=" + getChangingUserId());
		handlePackageAdded(packageName, getChangingUserId());
		}

		final boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING, false);
		final boolean archival = intent.getBooleanExtra(Intent.EXTRA_ARCHIVAL, false);
		@Override
		public void onPackageUpdateFinished(String packageName, int uid) {
		if (!isUserUnlocked()) return;
		Slog.d(TAG, "replacing package: " + packageName + " userId=" + getChangingUserId());
		handlePackageUpdateFinished(packageName, getChangingUserId());
		}

		Slog.d(TAG, "received package broadcast intent: " + intent);
		switch (action) {
		case Intent.ACTION_PACKAGE_ADDED:
		if (replacing) {
		Slog.d(TAG, "replacing package: " + packageName + " userId=" + userId);
		handlePackageUpdateFinished(packageName, userId);
		} else {
		Slog.d(TAG, "adding package: " + packageName + " userId=" + userId);
		handlePackageAdded(packageName, userId);
		@Override
		public void onPackageRemoved(String packageName, int uid) {
		if (!isUserUnlocked()) return;
		Slog.d(TAG, "removing package: " + packageName + " userId=" + getChangingUserId());
		handlePackageRemoved(packageName, getChangingUserId());
		}
		break;
		case Intent.ACTION_PACKAGE_REMOVED:
		if (!replacing \|\| (replacing && archival)) {
		if (!replacing) {
		Slog.d(TAG, "removing package: "
		+ packageName + " userId=" + userId);
		} else if (archival) {
		Slog.d(TAG, "archiving package: "
		+ packageName + " userId=" + userId);

		/**
		* When a package is archived, ACTION_PACKAGE_REMOVED is sent with EXTRA_REPLACING=true
		* and EXTRA_ARCHIVAL=true. PackageMonitor routes this event to onPackageUpdateStarted.
		* We override the "WithExtras" version to access the archival flag and call the
		* appropriate handler.
		*/
		@Override
		public void onPackageUpdateStartedWithExtras(String packageName, int uid, Bundle extras) {
		if (isUserUnlocked() && extras.getBoolean(Intent.EXTRA_ARCHIVAL, false)) {
		Slog.d(TAG, "archiving package: " + packageName + " userId=" + getChangingUserId());
		handlePackageRemoved(packageName, getChangingUserId());
		}
		handlePackageRemoved(packageName, userId);
		super.onPackageUpdateStartedWithExtras(packageName, uid, extras);
		}
		break;
		case Intent.ACTION_PACKAGE_CHANGED:
		Slog.d(TAG, "changing package: " + packageName + " userId=" + userId);
		handlePackageChanged(packageName, userId);
		break;
		case Intent.ACTION_PACKAGE_DATA_CLEARED:
		Slog.d(TAG, "clearing data for package: "
		+ packageName + " userId=" + userId);
		handlePackageDataCleared(packageName, userId);
		break;

		/** Called when a package's components or enabled state changes. */
		@Override
		public boolean onPackageChanged(String packageName, int uid, String[] components) {
		if (isUserUnlocked()) {
		Slog.d(TAG, "changing package: " + packageName + " userId=" + getChangingUserId());
		handlePackageChanged(packageName, getChangingUserId());
		}
		} catch (Exception e) {
		wtf("Exception in mPackageMonitor.onReceive", e);
		} finally {
		injectRestoreCallingIdentity(token);
		return super.onPackageChanged(packageName, uid, components);
		}

		@Override
		public void onPackageDataCleared(String packageName, int uid) {
		if (!isUserUnlocked()) return;
		Slog.d(TAG, "clearing data for package: " + packageName + " userId=" + getChangingUserId());
		handlePackageDataCleared(packageName, getChangingUserId());
		}
		};