| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.media; |
| |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.res.AssetFileDescriptor; |
| import android.database.Cursor; |
| import android.media.AudioManager; |
| import android.media.MediaPlayer; |
| import android.net.Uri; |
| import android.provider.DrmStore; |
| import android.provider.MediaStore; |
| import android.provider.Settings; |
| import android.util.Log; |
| |
| import java.io.FileDescriptor; |
| import java.io.IOException; |
| |
| /** |
| * Ringtone provides a quick method for playing a ringtone, notification, or |
| * other similar types of sounds. |
| * <p> |
| * For ways of retrieving {@link Ringtone} objects or to show a ringtone |
| * picker, see {@link RingtoneManager}. |
| * |
| * @see RingtoneManager |
| */ |
| public class Ringtone { |
| private static String TAG = "Ringtone"; |
| |
| private static final String[] MEDIA_COLUMNS = new String[] { |
| MediaStore.Audio.Media._ID, |
| MediaStore.Audio.Media.DATA, |
| MediaStore.Audio.Media.TITLE |
| }; |
| |
| private static final String[] DRM_COLUMNS = new String[] { |
| DrmStore.Audio._ID, |
| DrmStore.Audio.DATA, |
| DrmStore.Audio.TITLE |
| }; |
| |
| private MediaPlayer mAudio; |
| |
| private Uri mUri; |
| private String mTitle; |
| private FileDescriptor mFileDescriptor; |
| private AssetFileDescriptor mAssetFileDescriptor; |
| |
| private int mStreamType = AudioManager.STREAM_RING; |
| |
| private Context mContext; |
| |
| Ringtone(Context context) { |
| mContext = context; |
| } |
| |
| /** |
| * Sets the stream type where this ringtone will be played. |
| * |
| * @param streamType The stream, see {@link AudioManager}. |
| */ |
| public void setStreamType(int streamType) { |
| mStreamType = streamType; |
| |
| if (mAudio != null) { |
| /* |
| * The stream type has to be set before the media player is |
| * prepared. Re-initialize it. |
| */ |
| try { |
| openMediaPlayer(); |
| } catch (IOException e) { |
| Log.w(TAG, "Couldn't set the stream type", e); |
| } |
| } |
| } |
| |
| /** |
| * Gets the stream type where this ringtone will be played. |
| * |
| * @return The stream type, see {@link AudioManager}. |
| */ |
| public int getStreamType() { |
| return mStreamType; |
| } |
| |
| /** |
| * Returns a human-presentable title for ringtone. Looks in media and DRM |
| * content providers. If not in either, uses the filename |
| * |
| * @param context A context used for querying. |
| */ |
| public String getTitle(Context context) { |
| if (mTitle != null) return mTitle; |
| return mTitle = getTitle(context, mUri, true); |
| } |
| |
| private static String getTitle(Context context, Uri uri, boolean followSettingsUri) { |
| Cursor cursor = null; |
| ContentResolver res = context.getContentResolver(); |
| |
| String title = null; |
| |
| if (uri != null) { |
| String authority = uri.getAuthority(); |
| |
| if (Settings.AUTHORITY.equals(authority)) { |
| if (followSettingsUri) { |
| Uri actualUri = RingtoneManager.getActualDefaultRingtoneUri(context, |
| RingtoneManager.getDefaultType(uri)); |
| String actualTitle = getTitle(context, actualUri, false); |
| title = context |
| .getString(com.android.internal.R.string.ringtone_default_with_actual, |
| actualTitle); |
| } |
| } else { |
| |
| if (DrmStore.AUTHORITY.equals(authority)) { |
| cursor = res.query(uri, DRM_COLUMNS, null, null, null); |
| } else if (MediaStore.AUTHORITY.equals(authority)) { |
| cursor = res.query(uri, MEDIA_COLUMNS, null, null, null); |
| } |
| |
| if (cursor != null && cursor.getCount() == 1) { |
| cursor.moveToFirst(); |
| return cursor.getString(2); |
| } else { |
| title = uri.getLastPathSegment(); |
| } |
| } |
| } |
| |
| if (title == null) { |
| title = context.getString(com.android.internal.R.string.ringtone_unknown); |
| |
| if (title == null) { |
| title = ""; |
| } |
| } |
| |
| return title; |
| } |
| |
| private void openMediaPlayer() throws IOException { |
| mAudio = new MediaPlayer(); |
| if (mUri != null) { |
| mAudio.setDataSource(mContext, mUri); |
| } else if (mFileDescriptor != null) { |
| mAudio.setDataSource(mFileDescriptor); |
| } else if (mAssetFileDescriptor != null) { |
| mAudio.setDataSource(mAssetFileDescriptor.getFileDescriptor(), |
| mAssetFileDescriptor.getStartOffset(), |
| mAssetFileDescriptor.getLength()); |
| } else { |
| throw new IOException("No data source set."); |
| } |
| mAudio.setAudioStreamType(mStreamType); |
| mAudio.prepare(); |
| } |
| |
| void open(FileDescriptor fd) throws IOException { |
| mFileDescriptor = fd; |
| openMediaPlayer(); |
| } |
| |
| void open(AssetFileDescriptor fd) throws IOException { |
| mAssetFileDescriptor = fd; |
| openMediaPlayer(); |
| } |
| |
| void open(Uri uri) throws IOException { |
| mUri = uri; |
| openMediaPlayer(); |
| } |
| |
| /** |
| * Plays the ringtone. |
| */ |
| public void play() { |
| if (mAudio == null) { |
| try { |
| openMediaPlayer(); |
| } catch (Exception ex) { |
| Log.e(TAG, "play() caught ", ex); |
| mAudio = null; |
| } |
| } |
| if (mAudio != null) { |
| mAudio.start(); |
| } |
| } |
| |
| /** |
| * Stops a playing ringtone. |
| */ |
| public void stop() { |
| if (mAudio != null) { |
| mAudio.reset(); |
| mAudio.release(); |
| mAudio = null; |
| } |
| } |
| |
| /** |
| * Whether this ringtone is currently playing. |
| * |
| * @return True if playing, false otherwise. |
| */ |
| public boolean isPlaying() { |
| return mAudio != null && mAudio.isPlaying(); |
| } |
| |
| void setTitle(String title) { |
| mTitle = title; |
| } |
| } |