Diff: dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/devicemodule/playbackcontroller/PlaybackControllerDeviceModule.java

Revision:

45:2aa9f933c8d2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/devicemodule/playbackcontroller/PlaybackControllerDeviceModule.java	Tue Jul 18 16:34:48 2017 +0800
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
+ * 
+ * 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 com.baidu.duer.dcs.devicemodule.playbackcontroller;
+
+import com.baidu.duer.dcs.devicemodule.alerts.AlertsDeviceModule;
+import com.baidu.duer.dcs.devicemodule.system.HandleDirectiveException;
+import com.baidu.duer.dcs.framework.BaseDeviceModule;
+import com.baidu.duer.dcs.framework.IMessageSender;
+import com.baidu.duer.dcs.framework.IResponseListener;
+import com.baidu.duer.dcs.framework.message.ClientContext;
+import com.baidu.duer.dcs.framework.message.Directive;
+import com.baidu.duer.dcs.framework.message.Event;
+import com.baidu.duer.dcs.framework.message.Header;
+import com.baidu.duer.dcs.framework.message.MessageIdHeader;
+import com.baidu.duer.dcs.framework.message.Payload;
+import com.baidu.duer.dcs.systeminterface.IPlaybackController;
+
+/**
+ * 音频播放控制
+ * <p>
+ * 用户按了端上的播放/暂停等控制按钮，或者通过端上的GUI进行了此类操作时，上报PlayCommandIssued、PauseCommandIssued等事件
+ * <p>
+ * Created by wuruisheng on 2017/5/31.
+ */
+public class PlaybackControllerDeviceModule extends BaseDeviceModule {
+    private AlertsDeviceModule mAlertsDeviceModule;
+
+    public enum PlaybackAction {
+        PLAY,
+        PAUSE,
+        PREVIOUS,
+        NEXT
+    }
+
+    public PlaybackControllerDeviceModule(IPlaybackController playback, IMessageSender messageSender,
+                                          AlertsDeviceModule alertsDeviceModule) {
+        super(ApiConstants.NAMESPACE, messageSender);
+        this.mAlertsDeviceModule = alertsDeviceModule;
+        playback.registerPlaybackListener(new IPlaybackController.IPlaybackListener() {
+            @Override
+            public void onPlay(IResponseListener responseListener) {
+                handlePlaybackAction(PlaybackAction.PLAY, responseListener);
+            }
+
+            @Override
+            public void onPause(IResponseListener responseListener) {
+                handlePlaybackAction(PlaybackAction.PAUSE, responseListener);
+            }
+
+            @Override
+            public void onPrevious(IResponseListener responseListener) {
+                handlePlaybackAction(PlaybackAction.PREVIOUS, responseListener);
+            }
+
+            @Override
+            public void onNext(IResponseListener responseListener) {
+                handlePlaybackAction(PlaybackAction.NEXT, responseListener);
+            }
+        });
+    }
+
+    @Override
+    public ClientContext clientContext() {
+        return null;
+    }
+
+    @Override
+    public void handleDirective(Directive directive) throws HandleDirectiveException {
+    }
+
+    @Override
+    public void release() {
+    }
+
+    private void handlePlaybackAction(PlaybackAction action, IResponseListener responseListener) {
+        switch (action) {
+            case PLAY:
+                if (mAlertsDeviceModule.hasActiveAlerts()) {
+                    mAlertsDeviceModule.stopActiveAlert();
+                } else {
+                    Event event = createPlaybackControllerEvent(ApiConstants.Events.PlayCommandIssued.NAME);
+                    messageSender.sentEventWithClientContext(event, responseListener);
+                }
+                break;
+            case PAUSE:
+                if (mAlertsDeviceModule.hasActiveAlerts()) {
+                    mAlertsDeviceModule.stopActiveAlert();
+                } else {
+                    Event event = createPlaybackControllerEvent(ApiConstants.Events.PauseCommandIssued.NAME);
+                    messageSender.sentEventWithClientContext(event, responseListener);
+                }
+                break;
+            case PREVIOUS:
+                Event event = createPlaybackControllerEvent(ApiConstants.Events.PreviousCommandIssued.NAME);
+                messageSender.sentEventWithClientContext(event, responseListener);
+                break;
+            case NEXT:
+                Event eventNext = createPlaybackControllerEvent(ApiConstants.Events.NextCommandIssued.NAME);
+                messageSender.sentEventWithClientContext(eventNext, responseListener);
+                break;
+            default:
+                break;
+        }
+    }
+
+    private Event createPlaybackControllerEvent(String name) {
+        Header header = new MessageIdHeader(ApiConstants.NAMESPACE, name);
+        return new Event(header, new Payload());
+    }
+}