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| 1 // Copyright (c) 2009 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 WEBKIT_GLUE_PLUGINS_WEBPLUGIN_AUDIO_DEVICE_DELEGATE_H_ | |
| 6 #define WEBKIT_GLUE_PLUGINS_WEBPLUGIN_AUDIO_DEVICE_DELEGATE_H_ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "third_party/npapi/bindings/npapi_extensions.h" | |
| 10 | |
| 11 namespace webkit_glue { | |
| 12 | |
| 13 // Interface for the NPAPI audio device extension. This class implements "NOP" | |
| 14 // versions of all these functions so it can be used seamlessly by the | |
| 15 // "regular" plugin delegate while being overridden by the "pepper" one. | |
| 16 class WebPluginAudioDeviceDelegate { | |
| 17 public: | |
| 18 virtual NPError DeviceAudioQueryCapability(int32 capability, int32* value); | |
| 19 virtual NPError DeviceAudioQueryConfig( | |
| 20 const NPDeviceContextAudioConfig* request, | |
| 21 NPDeviceContextAudioConfig* obtain); | |
| 22 virtual NPError DeviceAudioInitializeContext( | |
| 23 const NPDeviceContextAudioConfig* config, | |
| 24 NPDeviceContextAudio* context); | |
| 25 virtual NPError DeviceAudioSetStateContext(NPDeviceContextAudio* context, | |
| 26 int32 state, intptr_t value); | |
| 27 virtual NPError DeviceAudioGetStateContext(NPDeviceContextAudio* context, | |
| 28 int32 state, intptr_t* value); | |
| 29 virtual NPError DeviceAudioFlushContext( | |
| 30 NPP id, NPDeviceContextAudio* context, | |
| 31 NPDeviceFlushContextCallbackPtr callback, void* user_data); | |
| 32 virtual NPError DeviceAudioDestroyContext(NPDeviceContextAudio* context); | |
| 33 | |
| 34 protected: | |
| 35 WebPluginAudioDeviceDelegate() {} | |
| 36 virtual ~WebPluginAudioDeviceDelegate() {} | |
| 37 }; | |
| 38 | |
| 39 } // namespace webkit_glue | |
| 40 | |
| 41 #endif // WEBKIT_GLUE_PLUGINS_WEBPLUGIN_AUDIO_DEVICE_DELEGATE_H_ | |
| 42 | |
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