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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 
     17 package com.android.phone.testapps.embmsfrontend;
     18 
     19 import android.net.Uri;
     20 import android.telephony.MbmsStreamingSession;
     21 import android.telephony.mbms.StreamingService;
     22 import android.telephony.mbms.StreamingServiceCallback;
     23 import android.telephony.mbms.StreamingServiceInfo;
     24 import android.widget.Toast;
     25 
     26 public class StreamingServiceTracker {
     27     private class Callback extends StreamingServiceCallback {
     28         @Override
     29         public void onError(int errorCode, String message) {
     30             String toastMessage = "Error: " + errorCode + ": " + message;
     31             mActivity.runOnUiThread(() ->
     32                     Toast.makeText(mActivity, toastMessage, Toast.LENGTH_SHORT).show());
     33         }
     34 
     35         @Override
     36         public void onStreamStateUpdated(int state, int reason) {
     37             StreamingServiceTracker.this.onStreamStateUpdated(state, reason);
     38         }
     39 
     40         @Override
     41         public void onStreamMethodUpdated(int method) {
     42             StreamingServiceTracker.this.onStreamMethodUpdated(method);
     43         }
     44     }
     45 
     46     private final EmbmsTestStreamingApp mActivity;
     47     private final StreamingServiceInfo mStreamingServiceInfo;
     48     private StreamingService mStreamingService;
     49 
     50     private int mState = StreamingService.STATE_STOPPED;
     51     private Uri mStreamingUri = Uri.EMPTY;
     52     private int mMethod = StreamingService.UNICAST_METHOD;
     53 
     54     public StreamingServiceTracker(EmbmsTestStreamingApp appActivity, StreamingServiceInfo info) {
     55         mActivity = appActivity;
     56         mStreamingServiceInfo = info;
     57     }
     58 
     59     /**
     60      * Start streaming using the provided streaming session
     61      */
     62     public boolean startStreaming(MbmsStreamingSession streamingManager) {
     63         mStreamingService = streamingManager.startStreaming(mStreamingServiceInfo,
     64                 mActivity.getMainThreadHandler()::post, new Callback());
     65         return true;
     66     }
     67 
     68     public void stopStreaming() {
     69         mStreamingService.close();
     70     }
     71 
     72     public String getServiceId() {
     73         return mStreamingServiceInfo.getServiceId();
     74     }
     75 
     76     public int getState() {
     77         return mState;
     78     }
     79 
     80     public Uri getUri() {
     81         return mStreamingUri;
     82     }
     83 
     84     public int getMethod() {
     85         return mMethod;
     86     }
     87 
     88     private void onStreamStateUpdated(int state, int reason) {
     89         if (state == StreamingService.STATE_STARTED && mState != StreamingService.STATE_STARTED) {
     90             mStreamingUri = mStreamingService.getPlaybackUri();
     91             mActivity.updateUri();
     92         }
     93         mState = state;
     94         mActivity.updateStreamingState();
     95         mActivity.runOnUiThread(() ->
     96                 Toast.makeText(mActivity, "State change reason: " + reason, Toast.LENGTH_SHORT)
     97                         .show());
     98     }
     99 
    100     private void onStreamMethodUpdated(int method) {
    101         if (mMethod != method) {
    102             mMethod = method;
    103             mActivity.updateMethod();
    104         }
    105     }
    106 
    107     @Override
    108     public String toString() {
    109         return "Tracked service with ID " + getServiceId();
    110     }
    111 }
    112