Merge "Show notifications when default launcher changes" into qt-dev (93bf15fb) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationModeController.java

+104 −24

Original line number	Diff line number	Diff line
		@@ -24,6 +24,9 @@ import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_3BUTTON_OVE
		import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_GESTURAL;
		import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_GESTURAL_OVERLAY;

		import android.app.Notification;
		import android.app.NotificationManager;
		import android.app.PendingIntent;
		import android.content.BroadcastReceiver;
		import android.content.ComponentName;
		import android.content.Context;
		@@ -38,13 +41,16 @@ import android.os.ServiceManager;
		import android.os.UserHandle;
		import android.provider.Settings;
		import android.provider.Settings.Secure;
		import android.text.TextUtils;
		import android.util.Log;
		import android.util.SparseBooleanArray;

		import com.android.systemui.Dumpable;
		import com.android.systemui.R;
		import com.android.systemui.UiOffloadThread;
		import com.android.systemui.shared.system.ActivityManagerWrapper;
		import com.android.systemui.statusbar.policy.DeviceProvisionedController;
		import com.android.systemui.util.NotificationChannels;

		import java.io.FileDescriptor;
		import java.io.PrintWriter;
		@@ -63,6 +69,9 @@ public class NavigationModeController implements Dumpable {
		private static final String TAG = NavigationModeController.class.getSimpleName();
		private static final boolean DEBUG = false;

		static final String SHARED_PREFERENCES_NAME = "navigation_mode_controller_preferences";
		static final String PREFS_SWITCHED_FROM_GESTURE_NAV_KEY = "switched_from_gesture_nav";

		public interface ModeChangedListener {
		void onNavigationModeChanged(int mode);
		}
		@@ -78,6 +87,8 @@ public class NavigationModeController implements Dumpable {
		private int mMode = NAV_BAR_MODE_3BUTTON;
		private ArrayList<ModeChangedListener> mListeners = new ArrayList<>();

		private String mLastDefaultLauncher;

		private BroadcastReceiver mReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		@@ -92,7 +103,13 @@ public class NavigationModeController implements Dumpable {
		if (DEBUG) {
		Log.d(TAG, "ACTION_PREFERRED_ACTIVITY_CHANGED");
		}
		final String launcher = getDefaultLauncherPackageName(mCurrentUserContext);
		// Check if it is a default launcher change
		if (!TextUtils.equals(mLastDefaultLauncher, launcher)) {
		switchFromGestureNavModeIfNotSupportedByDefaultLauncher();
		showNotificationIfDefaultLauncherSupportsGestureNav();
		mLastDefaultLauncher = launcher;
		}
		break;
		}
		}
		@@ -157,6 +174,8 @@ public class NavigationModeController implements Dumpable {
		IntentFilter preferredActivityFilter = new IntentFilter(ACTION_PREFERRED_ACTIVITY_CHANGED);
		mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, preferredActivityFilter, null,
		null);
		// We are only interested in launcher changes, so keeping track of the current default.
		mLastDefaultLauncher = getDefaultLauncherPackageName(mContext);

		updateCurrentInteractionMode(false /* notify */);
		switchFromGestureNavModeIfNotSupportedByDefaultLauncher();
		@@ -287,6 +306,84 @@ public class NavigationModeController implements Dumpable {
		});
		}

		private void switchFromGestureNavModeIfNotSupportedByDefaultLauncher() {
		if (getCurrentInteractionMode(mCurrentUserContext) != NAV_BAR_MODE_GESTURAL) {
		return;
		}
		final Boolean supported = isGestureNavSupportedByDefaultLauncher(mCurrentUserContext);
		if (supported == null \|\| supported) {
		return;
		}

		setModeOverlay(NAV_BAR_MODE_3BUTTON_OVERLAY, USER_CURRENT);
		showNotification(mCurrentUserContext, R.string.notification_content_system_nav_changed);
		mCurrentUserContext.getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE)
		.edit().putBoolean(PREFS_SWITCHED_FROM_GESTURE_NAV_KEY, true).apply();
		}

		private void showNotificationIfDefaultLauncherSupportsGestureNav() {
		boolean previouslySwitchedFromGestureNav = mCurrentUserContext
		.getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE)
		.getBoolean(PREFS_SWITCHED_FROM_GESTURE_NAV_KEY, false);
		if (!previouslySwitchedFromGestureNav) {
		return;
		}
		if (getCurrentInteractionMode(mCurrentUserContext) == NAV_BAR_MODE_GESTURAL) {
		return;
		}
		final Boolean supported = isGestureNavSupportedByDefaultLauncher(mCurrentUserContext);
		if (supported == null \|\| !supported) {
		return;
		}

		showNotification(mCurrentUserContext, R.string.notification_content_gesture_nav_available);
		mCurrentUserContext.getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE)
		.edit().putBoolean(PREFS_SWITCHED_FROM_GESTURE_NAV_KEY, false).apply();
		}

		/**
		* Returns null if there is no default launcher set for the current user. Returns true if the
		* current default launcher supports Gesture Navigation. Returns false otherwise.
		*/
		private Boolean isGestureNavSupportedByDefaultLauncher(Context context) {
		final String defaultLauncherPackageName = getDefaultLauncherPackageName(context);
		if (DEBUG) {
		Log.d(TAG, "isGestureNavSupportedByDefaultLauncher:"
		+ " defaultLauncher=" + defaultLauncherPackageName
		+ " contextUser=" + context.getUserId());
		}
		if (defaultLauncherPackageName == null) {
		return null;
		}
		ComponentName recentsComponentName = ComponentName.unflattenFromString(
		context.getString(com.android.internal.R.string.config_recentsComponentName));
		return recentsComponentName.getPackageName().equals(defaultLauncherPackageName);
		}

		private String getDefaultLauncherPackageName(Context context) {
		final ComponentName cn = context.getPackageManager().getHomeActivities(new ArrayList<>());
		if (cn == null) {
		return null;
		}
		return cn.getPackageName();
		}

		private void showNotification(Context context, int resId) {
		final CharSequence message = context.getResources().getString(resId);
		if (DEBUG) {
		Log.d(TAG, "showNotification: message=" + message);
		}

		final Notification.Builder builder =
		new Notification.Builder(mContext, NotificationChannels.ALERTS)
		.setContentText(message)
		.setStyle(new Notification.BigTextStyle())
		.setSmallIcon(R.drawable.ic_info)
		.setAutoCancel(true)
		.setContentIntent(PendingIntent.getActivity(context, 0, new Intent(), 0));
		context.getSystemService(NotificationManager.class).notify(TAG, 0, builder.build());
		}

		@Override
		public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
		pw.println("NavigationModeController:");
		@@ -299,6 +396,12 @@ public class NavigationModeController implements Dumpable {
		}
		pw.println(" defaultOverlays=" + defaultOverlays);
		dumpAssetPaths(mCurrentUserContext);

		pw.println(" defaultLauncher=" + mLastDefaultLauncher);
		boolean previouslySwitchedFromGestureNav = mCurrentUserContext
		.getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE)
		.getBoolean(PREFS_SWITCHED_FROM_GESTURE_NAV_KEY, false);
		pw.println(" previouslySwitchedFromGestureNav=" + previouslySwitchedFromGestureNav);
		}

		private void dumpAssetPaths(Context context) {
		@@ -308,27 +411,4 @@ public class NavigationModeController implements Dumpable {
		Log.d(TAG, " " + a.getAssetPath());
		}
		}

		private void switchFromGestureNavModeIfNotSupportedByDefaultLauncher() {
		if (getCurrentInteractionMode(mCurrentUserContext) == NAV_BAR_MODE_GESTURAL
		&& !isGestureNavSupportedByDefaultLauncher(mCurrentUserContext)) {
		setModeOverlay(NAV_BAR_MODE_3BUTTON_OVERLAY, USER_CURRENT);
		}
		}

		private boolean isGestureNavSupportedByDefaultLauncher(Context context) {
		final ComponentName cn = context.getPackageManager().getHomeActivities(new ArrayList<>());
		if (cn == null) {
		// There is no default home app set for the current user, don't make any changes yet.
		return true;
		}
		if (DEBUG) {
		Log.d(TAG, "isGestureNavSupportedByDefaultLauncher: launcher=" + cn.getPackageName()
		+ " contextUser=" + context.getUserId());
		}

		ComponentName recentsComponentName = ComponentName.unflattenFromString(context.getString(
		com.android.internal.R.string.config_recentsComponentName));
		return recentsComponentName.getPackageName().equals(cn.getPackageName());
		}
		}