MediaStream API: Changing the device enumeration to be async

Source/modules/mediastream/MediaStreamTrackSourcesRequest.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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-#ifndef SourceInfo_h
-#define SourceInfo_h
+#ifndef MediaStreamTrackSourcesRequest_h
+#define MediaStreamTrackSourcesRequest_h
 
-#include "bindings/v8/ScriptWrappable.h"
-#include "public/platform/WebSourceInfo.h"
+#include "public/platform/WebVector.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
-#include "wtf/Vector.h"
+#include "wtf/RefPtr.h"
+#include "wtf/text/WTFString.h"
+
+namespace WebKit {
+class WebSourceInfo;
+}
 
 namespace WebCore {
 
-class SourceInfo : public RefCounted<SourceInfo>, public ScriptWrappable {
+class MediaStreamTrackSourcesCallback;
+class ScriptExecutionContext;
+
+class MediaStreamTrackSourcesRequest : public RefCounted<MediaStreamTrackSourcesRequest> {
 public:
-    static PassRefPtr<SourceInfo> create(const WebKit::WebSourceInfo&);
+    class ExtraData : public RefCounted<ExtraData> {
+    public:
+        virtual ~ExtraData() { }
+    };
 
-    String id() const;
-    String kind() const;
-    String label() const;
-    String facing() const;
+    static PassRefPtr<MediaStreamTrackSourcesRequest> create(ScriptExecutionContext*, PassRefPtr<MediaStreamTrackSourcesCallback>);
+    virtual ~MediaStreamTrackSourcesRequest();
+
+    String url();
+
+    void requestSucceeded(const WebKit::WebVector<WebKit::WebSourceInfo>&);
+
+    PassRefPtr<ExtraData> extraData() const { return m_extraData; }
+    void setExtraData(PassRefPtr<ExtraData> extraData) { m_extraData = extraData; }
 
 private:
-    explicit SourceInfo(const WebKit::WebSourceInfo&);
+    MediaStreamTrackSourcesRequest(ScriptExecutionContext*, PassRefPtr<MediaStreamTrackSourcesCallback>);
 
-    WebKit::WebSourceInfo m_webSourceInfo;
+    RefPtr<MediaStreamTrackSourcesCallback> m_callback;
+    RefPtr<ExtraData> m_extraData;
+    String m_url;
 };
 
-typedef Vector<RefPtr<SourceInfo> > SourceInfoVector;
-
 } // namespace WebCore
 
-#endif // SourceInfo_h
+#endif // MediaStreamTrackSourcesRequest_h