Merge "Show notifications when default launcher changes" into qt-dev am: 2407da88a7 (acc09abf) · Commits · e / os / android_frameworks_base

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

+104 −24

Original line number	Original line	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;
	import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_GESTURAL_OVERLAY;		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.BroadcastReceiver;
	import android.content.ComponentName;		import android.content.ComponentName;
	import android.content.Context;		import android.content.Context;
	@@ -38,13 +41,16 @@ import android.os.ServiceManager;
	import android.os.UserHandle;		import android.os.UserHandle;
	import android.provider.Settings;		import android.provider.Settings;
	import android.provider.Settings.Secure;		import android.provider.Settings.Secure;
			import android.text.TextUtils;
	import android.util.Log;		import android.util.Log;
	import android.util.SparseBooleanArray;		import android.util.SparseBooleanArray;

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

	import java.io.FileDescriptor;		import java.io.FileDescriptor;
	import java.io.PrintWriter;		import java.io.PrintWriter;
	@@ -63,6 +69,9 @@ public class NavigationModeController implements Dumpable {
	private static final String TAG = NavigationModeController.class.getSimpleName();		private static final String TAG = NavigationModeController.class.getSimpleName();
	private static final boolean DEBUG = false;		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 {		public interface ModeChangedListener {
	void onNavigationModeChanged(int mode);		void onNavigationModeChanged(int mode);
	}		}
	@@ -78,6 +87,8 @@ public class NavigationModeController implements Dumpable {
	private int mMode = NAV_BAR_MODE_3BUTTON;		private int mMode = NAV_BAR_MODE_3BUTTON;
	private ArrayList<ModeChangedListener> mListeners = new ArrayList<>();		private ArrayList<ModeChangedListener> mListeners = new ArrayList<>();

			private String mLastDefaultLauncher;

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

	updateCurrentInteractionMode(false /* notify */);		updateCurrentInteractionMode(false /* notify */);
	switchFromGestureNavModeIfNotSupportedByDefaultLauncher();		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		@Override
	public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {		public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
	pw.println("NavigationModeController:");		pw.println("NavigationModeController:");
	@@ -299,6 +396,12 @@ public class NavigationModeController implements Dumpable {
	}		}
	pw.println(" defaultOverlays=" + defaultOverlays);		pw.println(" defaultOverlays=" + defaultOverlays);
	dumpAssetPaths(mCurrentUserContext);		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) {		private void dumpAssetPaths(Context context) {
	@@ -308,27 +411,4 @@ public class NavigationModeController implements Dumpable {
	Log.d(TAG, " " + a.getAssetPath());		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());
	}
	}		}