athena/content/chrome/media_utils.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "athena/content/media_utils.h"
   6
   7 #include "athena/activity/public/activity.h"
   8 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
   9 #include "chrome/browser/media/media_stream_capture_indicator.h"
  10 #include "content/browser/media/audio_stream_monitor.h"
  11 #include "content/public/browser/web_contents.h"
  12
  13 namespace athena {
  14
  15 Activity::ActivityMediaState GetActivityMediaState(
  16     content::WebContents* contents) {
  17   // TODO(skuhne): This needs to be refactored and / or moved out of Chrome.
  18   // See crbug.com/420677.
  19   scoped_refptr<MediaStreamCaptureIndicator> indicator =
  20       MediaCaptureDevicesDispatcher::GetInstance()->
  21           GetMediaStreamCaptureIndicator();
  22   if (indicator.get() && indicator->IsCapturingUserMedia(contents))
  23     return Activity::ACTIVITY_MEDIA_STATE_RECORDING;
  24
  25   if (contents->GetCapturerCount())
  26     return Activity::ACTIVITY_MEDIA_STATE_CAPTURING;
  27
  28   DCHECK(content::AudioStreamMonitor::monitoring_available());
  29   return contents->WasRecentlyAudible() ?
  30       Activity::ACTIVITY_MEDIA_STATE_AUDIO_PLAYING :
  31       Activity::ACTIVITY_MEDIA_STATE_NONE;
  32 }
  33
  34 }  // namespace athena