extensions/browser/api/audio/audio_api.h

   1 // Copyright (c) 2013 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 #ifndef EXTENSIONS_BROWSER_API_AUDIO_AUDIO_API_H_
   6 #define EXTENSIONS_BROWSER_API_AUDIO_AUDIO_API_H_
   7
   8 #include "extensions/browser/api/audio/audio_service.h"
   9 #include "extensions/browser/browser_context_keyed_api_factory.h"
  10 #include "extensions/browser/extension_function.h"
  11
  12 namespace extensions {
  13
  14 class AudioService;
  15
  16 class AudioAPI : public BrowserContextKeyedAPI, public AudioService::Observer {
  17  public:
  18   explicit AudioAPI(content::BrowserContext* context);
  19   ~AudioAPI() override;
  20
  21   AudioService* GetService() const;
  22
  23   // BrowserContextKeyedAPI implementation.
  24   static BrowserContextKeyedAPIFactory<AudioAPI>* GetFactoryInstance();
  25
  26   // AudioService::Observer implementation.
  27   void OnDeviceChanged() override;
  28
  29  private:
  30   friend class BrowserContextKeyedAPIFactory<AudioAPI>;
  31
  32   // BrowserContextKeyedAPI implementation.
  33   static const char* service_name() {
  34     return "AudioAPI";
  35   }
  36
  37   content::BrowserContext* const browser_context_;
  38   AudioService* service_;
  39 };
  40
  41 class AudioGetInfoFunction : public AsyncExtensionFunction {
  42  public:
  43   DECLARE_EXTENSION_FUNCTION("audio.getInfo", AUDIO_GETINFO);
  44
  45  protected:
  46   ~AudioGetInfoFunction() override {}
  47   bool RunAsync() override;
  48
  49  private:
  50   void OnGetInfoCompleted(const OutputInfo& output_info,
  51                           const InputInfo& input_info,
  52                           bool success);
  53 };
  54
  55 class AudioSetActiveDevicesFunction : public SyncExtensionFunction {
  56  public:
  57   DECLARE_EXTENSION_FUNCTION("audio.setActiveDevices", AUDIO_SETACTIVEDEVICES);
  58
  59  protected:
  60   ~AudioSetActiveDevicesFunction() override {}
  61   bool RunSync() override;
  62 };
  63
  64 class AudioSetPropertiesFunction : public SyncExtensionFunction {
  65  public:
  66   DECLARE_EXTENSION_FUNCTION("audio.setProperties", AUDIO_SETPROPERTIES);
  67
  68  protected:
  69   ~AudioSetPropertiesFunction() override {}
  70   bool RunSync() override;
  71 };
  72
  73
  74 }  // namespace extensions
  75
  76 #endif  // EXTENSIONS_BROWSER_API_AUDIO_AUDIO_API_H_