MountService: If USB cable is unplugged while UMS is active, clean up and remount (2fe718a8) · Commits · e / os / android_frameworks_base

services/java/com/android/server/MountService.java

+25 −0

Original line number	Diff line number	Diff line
		@@ -566,6 +566,7 @@ class MountService extends IMountService.Stub
		Intent in = null;

		if (oldState == VolumeState.Shared && newState != oldState) {
		if (LOCAL_LOGD) Log.d(TAG, "Sending ACTION_MEDIA_UNSHARED intent");
		mContext.sendBroadcast(new Intent(Intent.ACTION_MEDIA_UNSHARED,
		Uri.parse("file://" + path)));
		}
		@@ -607,6 +608,7 @@ class MountService extends IMountService.Stub

		updatePublicVolumeState(path, Environment.MEDIA_SHARED);
		in = new Intent(Intent.ACTION_MEDIA_SHARED, Uri.parse("file://" + path));
		if (LOCAL_LOGD) Log.d(TAG, "Sending ACTION_MEDIA_SHARED intent");
		} else if (newState == VolumeState.SharedMnt) {
		Log.e(TAG, "Live shared mounts not supported yet!");
		return;
		@@ -798,6 +800,29 @@ class MountService extends IMountService.Stub
		} else {
		mSendUmsConnectedOnBoot = avail;
		}

		final String path = Environment.getExternalStorageDirectory().getPath();
		if (avail == false && getVolumeState(path).equals(Environment.MEDIA_SHARED)) {
		/*
		* USB mass storage disconnected while enabled
		*/
		new Thread() {
		public void run() {
		try {
		int rc;
		Log.w(TAG, "Disabling UMS after cable disconnect");
		doShareUnshareVolume(path, "ums", false);
		if ((rc = doMountVolume(path)) != StorageResultCode.OperationSucceeded) {
		Log.e(TAG, String.format(
		"Failed to remount {%s} on UMS enabled-disconnect (%d)",
		path, rc));
		}
		} catch (Exception ex) {
		Log.w(TAG, "Failed to mount media on UMS enabled-disconnect", ex);
		}
		}
		}.start();
		}
		}

		private void sendUmsIntent(boolean c) {