Implemement the media lookup for ringtone restore in SettingsProvider. am: 452ffae872 (931ee10c) · Commits · e / os / android_frameworks_base

media/java/android/media/RingtoneManager.java

+91 −0

Original line number	Diff line number	Diff line
		@@ -46,7 +46,9 @@ import android.os.ServiceManager;
		import android.os.SystemProperties;
		import android.os.UserHandle;
		import android.os.UserManager;
		import android.provider.BaseColumns;
		import android.provider.MediaStore;
		import android.provider.MediaStore.Audio.AudioColumns;
		import android.provider.MediaStore.MediaColumns;
		import android.provider.Settings;
		import android.provider.Settings.System;
		@@ -507,6 +509,95 @@ public class RingtoneManager {
		return getUriFromCursor(mContext, mCursor);
		}

		/**
		* Gets the valid ringtone uri by a given uri string and ringtone type for the restore purpose.
		*
		* @param contentResolver ContentResolver to execute media query.
		* @param value a canonicalized uri which refers to the ringtone.
		* @param ringtoneType an integer representation of the kind of uri that is being restored, can
		* be RingtoneManager.TYPE_RINGTONE, RingtoneManager.TYPE_NOTIFICATION, or
		* RingtoneManager.TYPE_ALARM.
		* @hide
		*/
		public static @Nullable Uri getRingtoneUriForRestore(
		@NonNull ContentResolver contentResolver, @Nullable String value, int ringtoneType)
		throws FileNotFoundException, IllegalArgumentException {
		if (value == null) {
		// Return a valid null. It means the null value is intended instead of a failure.
		return null;
		}

		Uri ringtoneUri;
		final Uri canonicalUri = Uri.parse(value);

		// Try to get the media uri via the regular uncanonicalize method first.
		ringtoneUri = contentResolver.uncanonicalize(canonicalUri);
		if (ringtoneUri != null) {
		// Canonicalize it to make the result contain the right metadata of the media asset.
		ringtoneUri = contentResolver.canonicalize(ringtoneUri);
		return ringtoneUri;
		}

		// Query the media by title and ringtone type.
		final String title = canonicalUri.getQueryParameter(AudioColumns.TITLE);
		Uri baseUri = ContentUris.removeId(canonicalUri).buildUpon().clearQuery().build();
		String ringtoneTypeSelection = "";
		switch (ringtoneType) {
		case RingtoneManager.TYPE_RINGTONE:
		ringtoneTypeSelection = MediaStore.Audio.AudioColumns.IS_RINGTONE;
		break;
		case RingtoneManager.TYPE_NOTIFICATION:
		ringtoneTypeSelection = MediaStore.Audio.AudioColumns.IS_NOTIFICATION;
		break;
		case RingtoneManager.TYPE_ALARM:
		ringtoneTypeSelection = MediaStore.Audio.AudioColumns.IS_ALARM;
		break;
		default:
		throw new IllegalArgumentException("Unknown ringtone type: " + ringtoneType);
		}

		final String selection = ringtoneTypeSelection + "=1 AND " + AudioColumns.TITLE + "=?";
		Cursor cursor = null;
		try {
		cursor =
		contentResolver.query(
		baseUri,
		/* projection */ new String[] {BaseColumns._ID},
		/* selection */ selection,
		/* selectionArgs */ new String[] {title},
		/* sortOrder */ null,
		/* cancellationSignal */ null);

		} catch (IllegalArgumentException e) {
		throw new FileNotFoundException("Volume not found for " + baseUri);
		}
		if (cursor == null) {
		throw new FileNotFoundException("Missing cursor for " + baseUri);
		} else if (cursor.getCount() == 0) {
		FileUtils.closeQuietly(cursor);
		throw new FileNotFoundException("No item found for " + baseUri);
		} else if (cursor.getCount() > 1) {
		// Find more than 1 result.
		// We are not sure which one is the right ringtone file so just abandon this case.
		FileUtils.closeQuietly(cursor);
		throw new FileNotFoundException(
		"Find multiple ringtone candidates by title+ringtone_type query: count: "
		+ cursor.getCount());
		}
		if (cursor.moveToFirst()) {
		ringtoneUri = ContentUris.withAppendedId(baseUri, cursor.getLong(0));
		FileUtils.closeQuietly(cursor);
		} else {
		FileUtils.closeQuietly(cursor);
		throw new FileNotFoundException("Failed to read row from the result.");
		}

		// Canonicalize it to make the result contain the right metadata of the media asset.
		ringtoneUri = contentResolver.canonicalize(ringtoneUri);
		Log.v(TAG, "Find a valid result: " + ringtoneUri);
		return ringtoneUri;
		}

		private static Uri getUriFromCursor(Context context, Cursor cursor) {
		final Uri uri = ContentUris.withAppendedId(Uri.parse(cursor.getString(URI_COLUMN_INDEX)),
		cursor.getLong(ID_COLUMN_INDEX));

packages/SettingsProvider/src/com/android/providers/settings/SettingsHelper.java

+21 −11

Original line number	Diff line number	Diff line
		@@ -44,6 +44,7 @@ import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.app.LocalePicker;
		import com.android.settingslib.devicestate.DeviceStateRotationLockSettingsManager;

		import java.io.FileNotFoundException;
		import java.util.ArrayList;
		import java.util.HashMap;
		import java.util.Locale;
		@@ -332,21 +333,30 @@ public class SettingsHelper {
		* @param value can be a canonicalized uri or "_silent" to indicate a silent (null) ringtone.
		*/
		private void setRingtone(String name, String value) {
		// If it's null, don't change the default
		Log.v(TAG, "Set ringtone for name: " + name + " value: " + value);

		// If it's null, don't change the default.
		if (value == null) return;
		final Uri ringtoneUri;
		final int ringtoneType = getRingtoneType(name);
		if (SILENT_RINGTONE.equals(value)) {
		ringtoneUri = null;
		} else {
		Uri canonicalUri = Uri.parse(value);
		ringtoneUri = mContext.getContentResolver().uncanonicalize(canonicalUri);
		if (ringtoneUri == null) {
		// Unrecognized or invalid Uri, don't restore
		// SILENT_RINGTONE is a special constant generated by onBackupValue in the source
		// device.
		RingtoneManager.setActualDefaultRingtoneUri(mContext, ringtoneType, null);
		return;
		}

		Uri ringtoneUri = null;
		try {
		ringtoneUri =
		RingtoneManager.getRingtoneUriForRestore(
		mContext.getContentResolver(), value, ringtoneType);
		} catch (FileNotFoundException \| IllegalArgumentException e) {
		Log.w(TAG, "Failed to resolve " + value + ": " + e);
		// Unrecognized or invalid Uri, don't restore
		return;
		}
		final int ringtoneType = getRingtoneType(name);

		Log.v(TAG, "setActualDefaultRingtoneUri type: " + ringtoneType + ", uri: " + ringtoneUri);
		RingtoneManager.setActualDefaultRingtoneUri(mContext, ringtoneType, ringtoneUri);
		}

packages/SettingsProvider/test/src/com/android/providers/settings/SettingsHelperTest.java

+404 −0

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