MountService: Add new Settings for UMS prompting and notification behavior (1f6301e1) · Commits · e / os / android_frameworks_base

core/java/android/os/IMountService.aidl

+0 −13

Original line number	Diff line number	Diff line
		@@ -64,18 +64,6 @@ interface IMountService
		*/
		void setPlayNotificationSounds(boolean value);

		/**
		* Returns true if USB Mass Storage is automatically started
		* when a UMS host is detected.
		*/
		boolean getAutoStartUms();

		/**
		* Sets whether or not USB Mass Storage is automatically started
		* when a UMS host is detected.
		*/
		void setAutoStartUms(boolean value);

		/**
		* Gets the state of an volume via it's mountpoint.
		*/
		@@ -120,5 +108,4 @@ interface IMountService
		* all external media.
		*/
		void shutdown();

		}

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

+130 −51

Original line number	Diff line number	Diff line
		@@ -30,9 +30,14 @@ import android.os.IMountService;
		import android.os.Environment;
		import android.os.SystemProperties;
		import android.os.UEventObserver;
		import android.os.Handler;
		import android.text.TextUtils;
		import android.util.Log;

		import android.provider.Settings;
		import android.content.ContentResolver;
		import android.database.ContentObserver;

		import java.io.File;
		import java.io.FileReader;
		import java.lang.IllegalStateException;
		@@ -95,7 +100,10 @@ class MountService extends IMountService.Stub {

		private boolean mMounted;

		private SettingsWatcher mSettingsWatcher;
		private boolean mAutoStartUms;
		private boolean mPromptUms;
		private boolean mUmsActiveNotify;

		private boolean mUmsConnected = false;
		private boolean mUmsEnabled = false;
		@@ -121,7 +129,76 @@ class MountService extends IMountService.Stub {

		mPlaySounds = SystemProperties.get("persist.service.mount.playsnd", "1").equals("1");

		mAutoStartUms = SystemProperties.get("persist.service.mount.umsauto", "0").equals("1");
		ContentResolver cr = mContext.getContentResolver();
		mAutoStartUms = (Settings.Secure.getInt(
		cr, Settings.Secure.MOUNT_UMS_AUTOSTART, 0) == 1);
		mPromptUms = (Settings.Secure.getInt(
		cr, Settings.Secure.MOUNT_UMS_PROMPT, 1) == 1);
		mUmsActiveNotify = (Settings.Secure.getInt(
		cr, Settings.Secure.MOUNT_UMS_NOTIFY_ENABLED, 1) == 1);

		mSettingsWatcher = new SettingsWatcher(new Handler());
		}

		private class SettingsWatcher extends ContentObserver {
		public SettingsWatcher(Handler handler) {
		super(handler);
		ContentResolver cr = mContext.getContentResolver();
		cr.registerContentObserver(Settings.System.getUriFor(
		Settings.Secure.MOUNT_PLAY_NOTIFICATION_SND), false, this);
		cr.registerContentObserver(Settings.Secure.getUriFor(
		Settings.Secure.MOUNT_UMS_AUTOSTART), false, this);
		cr.registerContentObserver(Settings.Secure.getUriFor(
		Settings.Secure.MOUNT_UMS_PROMPT), false, this);
		cr.registerContentObserver(Settings.Secure.getUriFor(
		Settings.Secure.MOUNT_UMS_NOTIFY_ENABLED), false, this);
		}

		public void onChange(boolean selfChange) {
		super.onChange(selfChange);
		ContentResolver cr = mContext.getContentResolver();

		boolean newPlayNotificationSounds = (Settings.Secure.getInt(
		cr, Settings.Secure.MOUNT_PLAY_NOTIFICATION_SND, 1) == 1);

		boolean newUmsAutostart = (Settings.Secure.getInt(
		cr, Settings.Secure.MOUNT_UMS_AUTOSTART, 0) == 1);

		if (newUmsAutostart != mAutoStartUms) {
		Log.d(TAG, "Changing UMS autostart to " + newUmsAutostart);
		mAutoStartUms = newUmsAutostart;
		}

		boolean newUmsPrompt = (Settings.Secure.getInt(
		cr, Settings.Secure.MOUNT_UMS_PROMPT, 1) == 1);

		if (newUmsPrompt != mPromptUms) {
		Log.d(TAG, "Changing UMS prompt to " + newUmsPrompt);
		mPromptUms = newUmsAutostart;
		}

		boolean newUmsNotifyEnabled = (Settings.Secure.getInt(
		cr, Settings.Secure.MOUNT_UMS_NOTIFY_ENABLED, 1) == 1);

		Log.d(TAG, "new notify enabled = " + newUmsNotifyEnabled);
		if (mUmsEnabled) {
		if (newUmsNotifyEnabled) {
		Intent intent = new Intent();
		intent.setClass(mContext, com.android.internal.app.UsbStorageStopActivity.class);
		PendingIntent pi = PendingIntent.getActivity(mContext, 0, intent, 0);
		setUsbStorageNotification(com.android.internal.R.string.usb_storage_stop_notification_title,
		com.android.internal.R.string.usb_storage_stop_notification_message,
		com.android.internal.R.drawable.stat_sys_warning,
		false, true, pi);
		} else {
		setUsbStorageNotification(0, 0, 0, false, false, null);
		}
		}
		if (newUmsNotifyEnabled != mUmsActiveNotify) {
		Log.d(TAG, "Changing UMS active notification to " + newUmsNotifyEnabled);
		mUmsActiveNotify = newUmsNotifyEnabled;
		}
		}
		}

		BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
		@@ -205,13 +282,18 @@ class MountService extends IMountService.Stub {
		* @param enable true to enable USB mass storage support
		*/
		public void setMassStorageEnabled(boolean enable) throws IllegalStateException {
		if (mContext.checkCallingOrSelfPermission(
		android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS)
		!= PackageManager.PERMISSION_GRANTED) {
		throw new SecurityException("Requires MOUNT_UNMOUNT_FILESYSTEMS permission");
		}
		try {
		String vp = Environment.getExternalStorageDirectory().getPath();
		String vs = getVolumeState(vp);

		if (enable && vs.equals(Environment.MEDIA_MOUNTED)) {
		Log.d(TAG, "Unmounting media before UMS enable");
		unmountMedia(vp);
		mListener.unmountVolume(vp);
		updateUsbMassStorageNotification(true, false);
		}

		mListener.setShareMethodEnabled(Environment
		@@ -220,8 +302,12 @@ class MountService extends IMountService.Stub {
		"ums", enable);
		mUmsEnabled = enable;
		if (!enable) {
		Log.d(TAG, "Mounting media after UMS disable");
		mountMedia(vp);
		if (mPromptUms) {
		updateUsbMassStorageNotification(false, false);
		} else {
		updateUsbMassStorageNotification(true, false);
		}
		}
		} catch (IllegalStateException rex) {
		Log.e(TAG, "Failed to set ums enable {" + enable + "}");
		@@ -316,26 +402,6 @@ class MountService extends IMountService.Stub {
		SystemProperties.set("persist.service.mount.playsnd", (enabled ? "1" : "0"));
		}

		/**
		* Returns true if we auto-start UMS on cable insertion.
		*/
		public boolean getAutoStartUms() {
		return mAutoStartUms;
		}

		/**
		* Set whether or not we're playing media notification sounds.
		*/
		public void setAutoStartUms(boolean enabled) {
		if (mContext.checkCallingOrSelfPermission(
		android.Manifest.permission.WRITE_SETTINGS)
		!= PackageManager.PERMISSION_GRANTED) {
		throw new SecurityException("Requires WRITE_SETTINGS permission");
		}
		mAutoStartUms = enabled;
		SystemProperties.set("persist.service.mount.umsauto", (enabled ? "1" : "0"));
		}

		void updatePublicVolumeState(String mountPoint, String state) {
		if (!mountPoint.equals(Environment.getExternalStorageDirectory().getPath())) {
		Log.w(TAG, "Multiple volumes not currently supported");
		@@ -395,7 +461,7 @@ class MountService extends IMountService.Stub {
		Log.d(TAG, "Skipping connection-mount; already mounted");
		}
		} catch (IllegalStateException rex) {
		Log.e(TAG, "Exception while handling connection mount " + rex);
		Log.e(TAG, "Exception while handling connection mount ", rex);
		}

		try {
		@@ -456,7 +522,7 @@ class MountService extends IMountService.Stub {
		setMassStorageEnabled(true);
		} catch (IllegalStateException e) {
		}
		} else {
		} else if (mPromptUms) {
		updateUsbMassStorageNotification(false, true);
		}
		}
		@@ -465,17 +531,29 @@ class MountService extends IMountService.Stub {
		mContext.sendBroadcast(intent);
		}

		void notifyShareAvailabilityChange(String method, boolean avail) {
		Log.d(TAG, "Share method {" + method + "} availability now " + avail);
		void notifyShareAvailabilityChange(String method, final boolean avail) {
		if (!method.equals("ums")) {
		Log.w(TAG, "Ignoring unsupported share method {" + method + "}");
		return;
		}

		/*
		* Notification needs to run in a different thread as
		* it may need to call back into vold
		*/
		new Thread() {
		public void run() {
		try {
		if (avail) {
		notifyUmsConnected();
		} else {
		notifyUmsDisconnected();
		}
		} catch (Exception ex) {
		Log.w(TAG, "Failed to mount media on insertion");
		}
		}
		}.start();
		}

		/**
		@@ -483,6 +561,14 @@ class MountService extends IMountService.Stub {
		*/
		void notifyUmsDisconnected() {
		mUmsConnected = false;
		if (mUmsEnabled) {
		try {
		Log.w(TAG, "UMS disconnected while enabled!");
		setMassStorageEnabled(false);
		} catch (Exception ex) {
		Log.e(TAG, "Error disabling UMS on unsafe UMS disconnect", ex);
		}
		}
		updateUsbMassStorageNotification(false, false);
		Intent intent = new Intent(Intent.ACTION_UMS_DISCONNECTED);
		mContext.sendBroadcast(intent);
		@@ -495,7 +581,7 @@ class MountService extends IMountService.Stub {
		Log.d(TAG, "Mounting media after insertion");
		mountMedia(path);
		} catch (Exception ex) {
		Log.w(TAG, "Failed to mount media on insertion");
		Log.w(TAG, "Failed to mount media on insertion", ex);
		}
		}
		}.start();
		@@ -522,7 +608,6 @@ class MountService extends IMountService.Stub {
		true, false, null);
		handlePossibleExplicitUnmountBroadcast(path);

		// Log.d(TAG, "Sending ACTION_MEDIA_REMOVED");
		Intent intent = new Intent(Intent.ACTION_MEDIA_REMOVED,
		Uri.parse("file://" + path));
		mContext.sendBroadcast(intent);
		@@ -547,7 +632,6 @@ class MountService extends IMountService.Stub {
		}
		updateUsbMassStorageNotification(false, false);

		// Log.d(TAG, "Sending ACTION_MEDIA_UNMOUNTED");
		Intent intent = new Intent(Intent.ACTION_MEDIA_UNMOUNTED,
		Uri.parse("file://" + path));
		mContext.sendBroadcast(intent);
		@@ -566,7 +650,6 @@ class MountService extends IMountService.Stub {
		true, false, null);

		updateUsbMassStorageNotification(true, false);
		// Log.d(TAG, "Sending ACTION_MEDIA_CHECKING");
		Intent intent = new Intent(Intent.ACTION_MEDIA_CHECKING,
		Uri.parse("file://" + path));
		mContext.sendBroadcast(intent);
		@@ -587,7 +670,6 @@ class MountService extends IMountService.Stub {
		com.android.internal.R.drawable.stat_notify_sdcard_usb,
		true, false, pi);
		updateUsbMassStorageNotification(false, false);
		// Log.d(TAG, "Sending ACTION_MEDIA_NOFS");
		intent = new Intent(Intent.ACTION_MEDIA_NOFS,
		Uri.parse("file://" + path));
		mContext.sendBroadcast(intent);
		@@ -601,7 +683,6 @@ class MountService extends IMountService.Stub {

		setMediaStorageNotification(0, 0, 0, false, false, null);
		updateUsbMassStorageNotification(false, false);
		// Log.d(TAG, "Sending ACTION_MEDIA_MOUNTED");
		Intent intent = new Intent(Intent.ACTION_MEDIA_MOUNTED,
		Uri.parse("file://" + path));
		intent.putExtra("read-only", readOnly);
		@@ -620,6 +701,7 @@ class MountService extends IMountService.Stub {

		updatePublicVolumeState(path, Environment.MEDIA_SHARED);

		if (mUmsActiveNotify) {
		Intent intent = new Intent();
		intent.setClass(mContext, com.android.internal.app.UsbStorageStopActivity.class);
		PendingIntent pi = PendingIntent.getActivity(mContext, 0, intent, 0);
		@@ -627,9 +709,9 @@ class MountService extends IMountService.Stub {
		com.android.internal.R.string.usb_storage_stop_notification_message,
		com.android.internal.R.drawable.stat_sys_warning,
		false, true, pi);
		}
		handlePossibleExplicitUnmountBroadcast(path);
		// Log.d(TAG, "Sending ACTION_MEDIA_SHARED");
		intent = new Intent(Intent.ACTION_MEDIA_SHARED,
		Intent intent = new Intent(Intent.ACTION_MEDIA_SHARED,
		Uri.parse("file://" + path));
		mContext.sendBroadcast(intent);
		}
		@@ -647,7 +729,6 @@ class MountService extends IMountService.Stub {
		true, true, null);

		handlePossibleExplicitUnmountBroadcast(path);
		// Log.d(TAG, "Sending ACTION_MEDIA_BAD_REMOVAL");
		Intent intent = new Intent(Intent.ACTION_MEDIA_BAD_REMOVAL,
		Uri.parse("file://" + path));
		mContext.sendBroadcast(intent);
		@@ -671,7 +752,6 @@ class MountService extends IMountService.Stub {

		handlePossibleExplicitUnmountBroadcast(path);

		// Log.d(TAG, "Sending ACTION_MEDIA_UNMOUNTABLE");
		intent = new Intent(Intent.ACTION_MEDIA_UNMOUNTABLE,
		Uri.parse("file://" + path));
		mContext.sendBroadcast(intent);
		@@ -681,7 +761,6 @@ class MountService extends IMountService.Stub {
		* Broadcasts the media eject event to all clients.
		*/
		void notifyMediaUnmounting(String path) {
		// Log.d(TAG, "Sending ACTION_MEDIA_EJECT");
		Intent intent = new Intent(Intent.ACTION_MEDIA_EJECT,
		Uri.parse("file://" + path));
		mContext.sendBroadcast(intent);