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// Copyright (c) 2009 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 WEBKIT_GLUE_PLUGINS_WEBPLUGIN_AUDIO_DEVICE_DELEGATE_H_
#define WEBKIT_GLUE_PLUGINS_WEBPLUGIN_AUDIO_DEVICE_DELEGATE_H_
#include "base/basictypes.h"
#include "third_party/npapi/bindings/npapi_extensions.h"
namespace webkit_glue {
// Interface for the NPAPI audio device extension. This class implements "NOP"
// versions of all these functions so it can be used seamlessly by the
// "regular" plugin delegate while being overridden by the "pepper" one.
class WebPluginAudioDeviceDelegate {
public:
virtual NPError DeviceAudioQueryCapability(int32 capability, int32* value) {
return NPERR_GENERIC_ERROR;
}
virtual NPError DeviceAudioQueryConfig(
const NPDeviceContextAudioConfig* request,
NPDeviceContextAudioConfig* obtain) {
return NPERR_GENERIC_ERROR;
}
virtual NPError DeviceAudioInitializeContext(
const NPDeviceContextAudioConfig* config,
NPDeviceContextAudio* context) {
return NPERR_GENERIC_ERROR;
}
virtual NPError DeviceAudioSetStateContext(NPDeviceContextAudio* context,
int32 state, intptr_t value) {
return NPERR_GENERIC_ERROR;
}
virtual NPError DeviceAudioGetStateContext(NPDeviceContextAudio* context,
int32 state, intptr_t* value) {
return NPERR_GENERIC_ERROR;
}
virtual NPError DeviceAudioFlushContext(
NPP id, NPDeviceContextAudio* context,
NPDeviceFlushContextCallbackPtr callback, void* user_data) {
return NPERR_GENERIC_ERROR;
}
virtual NPError DeviceAudioDestroyContext(NPDeviceContextAudio* context) {
return NPERR_GENERIC_ERROR;
}
protected:
WebPluginAudioDeviceDelegate() {}
virtual ~WebPluginAudioDeviceDelegate() {}
};
} // namespace webkit_glue
#endif // WEBKIT_GLUE_PLUGINS_WEBPLUGIN_AUDIO_DEVICE_DELEGATE_H_
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