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/* This file was modified from or inspired by Apache Cordova. Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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 com.polyvi.xface.extension.audio; import java.util.HashMap; import org.json.JSONArray; import org.json.JSONException; import com.polyvi.xface.extension.XCallbackContext; import com.polyvi.xface.extension.XExtension; import com.polyvi.xface.extension.XExtensionResult; import com.polyvi.xface.util.XLog; public class XAudioExt extends XExtension { private static final String CLASS_NAME = "XAudioExt"; /** Audio ??js???*/ private static final String COMMAND_PLAY = "play"; private static final String COMMAND_STOP = "stop"; private static final String COMMAND_PAUSE = "pause"; private static final String COMMAND_SEEKTO = "seekTo"; private static final String COMMAND_RELEASE = "release"; private static final String COMMAND_GETCURRENTPOSITION = "getCurrentPosition"; private static final String COMMAND_STARTRECORDING = "startRecording"; private static final String COMMAND_STOPRECORDING = "stopRecording"; private static final String COMMAND_SETVOLUME = "setVolume"; private HashMap<String, XAudioImpl> mPlayersMap; // app ? appId ??? app map // TODO:???audio;?????audio public XAudioExt() { mPlayersMap = new HashMap<String, XAudioImpl>(); } @Override public void sendAsyncResult(String result) { } @Override public boolean isAsync(String action) { if (action.equals(COMMAND_GETCURRENTPOSITION)) { return false; } return true; } @Override public void onPageStarted() { destroy(); } @Override public void destroy() { if (!mPlayersMap.isEmpty()) { for (XAudioImpl audio : mPlayersMap.values()) { audio.destroy(); } mPlayersMap.clear(); } } @Override public XExtensionResult exec(String action, JSONArray args, XCallbackContext callbackCtx) throws JSONException { String appId = mWebContext.getApplication().getAppId(); XExtensionResult.Status status = XExtensionResult.Status.NO_RESULT; if (action.equals(COMMAND_PLAY)) { XAudioStatusChangeListener listener = new XAudioStatusChangeListener(callbackCtx); play(args.getString(0), args.getString(1), mWebContext.getWorkSpace(), listener); } else if (action.equals(COMMAND_STOP)) { stop(args.getString(0)); } else if (action.equals(COMMAND_PAUSE)) { pause(args.getString(0)); } else if (action.equals(COMMAND_SEEKTO)) { seekTo(args.getString(0), args.getInt(1)); } else if (action.equals(COMMAND_RELEASE)) { boolean ret = release(args.getString(0)); return new XExtensionResult(status, ret); } else if (action.equals(COMMAND_GETCURRENTPOSITION)) { int pos = getCurrentPosition(args.getString(0), appId); return new XExtensionResult(XExtensionResult.Status.OK, pos); } else if (action.equals(COMMAND_STARTRECORDING)) { XAudioStatusChangeListener listener = new XAudioStatusChangeListener(callbackCtx); startRecording(args.getString(0), args.getString(1), mWebContext.getWorkSpace(), listener); } else if (action.equals(COMMAND_STOPRECORDING)) { stopRecording(args.getString(0)); } else if (action.equals(COMMAND_SETVOLUME)) { setVolume(args.getString(0), Float.parseFloat(args.getString(1))); } return new XExtensionResult(status); } /** * Start resume . * * @param playerId audio player id * @param fileAbsPath ? * @param workspacePath workspcae */ private void play(String playerId, String fileAbsPath, String workspacePath, XAudioStatusChangeListener listener) { XAudioImpl audio = mPlayersMap.get(playerId); if (audio == null) { audio = new XAudioImpl(playerId, workspacePath, listener); mPlayersMap.put(playerId, audio); } audio.start(fileAbsPath); } /** * ? audio. * * @param playerId audio player id * @param appId app id */ private void stop(String playerId) { XAudioImpl audio = mPlayersMap.get(playerId); if (audio != null) { audio.stop(); } } /** * ?. * * @param playerId audio player id * @param appId app id */ private void pause(String playerId) { XAudioImpl audio = mPlayersMap.get(playerId); if (audio != null) { audio.pause(); } } /** * audio ??. * * @param playerId audio player id * @param miliseconds ?? * @param appId app id */ private void seekTo(String playerId, int milliseconds) { XAudioImpl audio = mPlayersMap.get(playerId); if (audio != null) { audio.seekTo(milliseconds); } } /** * ? playback ??. * * @param playerId audio player id * @param miliseconds ?? * @param appId app id * @return position -1 */ public int getCurrentPosition(String playerId, String appId) { XAudioImpl audio = mPlayersMap.get(playerId); if (audio != null) { return audio.getCurrentPosition(); } return -1; } /** * audio . * * @param playerId audio player id * @param appId app id */ private boolean release(String playerId) { XAudioImpl audio = mPlayersMap.get(playerId); if (audio != null) { mPlayersMap.remove(playerId); audio.destroy(); return true; } return false; } /** * ?. * * @param playerId audio player id * @param outputFileNanem file nameJS * @param appId app id * @param workspacePath workspace ? */ private void startRecording(String playerId, String outputFileNanem, String workspacePath, XAudioStatusChangeListener listener) { // ? recording XAudioImpl audio = mPlayersMap.get(playerId); if (audio != null) { return; } audio = new XAudioImpl(playerId, workspacePath, listener); mPlayersMap.put(playerId, audio); audio.startRecording(getContext(), outputFileNanem); } /** * ????workspace. * * @param playerId audio player id * @param appId app id */ private void stopRecording(String playerId) { XAudioImpl audio = mPlayersMap.get(playerId); if (audio != null) { audio.stopRecording(); mPlayersMap.remove(playerId); } } /** * ? * * @param playerId audio player id * @param appId app id * @param value ?? */ private void setVolume(String playerId, float value) { XAudioImpl audio = mPlayersMap.get(playerId); if (audio != null) { audio.setVolume(value); } else { XLog.e(CLASS_NAME, "setVolume() Error: Unknown Audio Player " + playerId); } } }