Implement HasInputDevices in CrasAudioManager

chromeos/audio/cras_audio_handler.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROMEOS_AUDIO_CRAS_AUDIO_HANDLER_H_
 #define CHROMEOS_AUDIO_CRAS_AUDIO_HANDLER_H_
 
 #include <stdint.h>
 #include <queue>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "chromeos/audio/audio_device.h"
 #include "chromeos/audio/audio_pref_observer.h"
 #include "chromeos/dbus/audio_node.h"
 #include "chromeos/dbus/cras_audio_client.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "chromeos/dbus/volume_state.h"
+#include "media/audio/audio_manager.h"
 
 class PrefRegistrySimple;
 class PrefService;
 
 namespace chromeos {
 
 class AudioDevicesPrefHandler;
 
 class CHROMEOS_EXPORT CrasAudioHandler : public CrasAudioClient::Observer,
                                          public AudioPrefObserver,
@@ skipping 244 matching lines @@
                        bool is_input,
                        AudioNodeList* new_discovered);
 
   // Handles dbus callback for GetNodes.
   void HandleGetNodes(const chromeos::AudioNodeList& node_list, bool success);
 
   // Handles the dbus error callback.
   void HandleGetNodesError(const std::string& error_name,
                            const std::string& error_msg);
 
+  // Sets HasInputDevice in CrasAudioManager.
+  void UpdateAudioManagerHasInputDevices();
+
   // Adds an active node.
   // If there is no active node, |node_id| will be switched to become the
   // primary active node. Otherwise, it will be added as an additional active
   // node.
   void AddActiveNode(uint64_t node_id, bool notify);
 
   // Adds |node_id| into additional active nodes.
   void AddAdditionalActiveNode(uint64_t node_id, bool notify);
 
   // Removes |node_id| from additional active nodes.
@@ skipping 35 matching lines @@
   bool log_errors_;
 
   base::WeakPtrFactory<CrasAudioHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CrasAudioHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_AUDIO_CRAS_AUDIO_HANDLER_H_