1 files changed, 56 insertions, 0 deletions
diff --git a/webkit/glue/plugins/webplugin_audio_device_delegate.h b/webkit/glue/plugins/webplugin_audio_device_delegate.h
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+++ b/webkit/glue/plugins/webplugin_audio_device_delegate.h
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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_
+