Index: Source/core/html/MediaProvider.h |
diff --git a/Source/core/html/MediaProvider.h b/Source/core/html/MediaProvider.h |
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+// Copyright 2014 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 MediaProvider_h |
+#define MediaProvider_h |
+ |
+#include "platform/heap/Handle.h" |
+#include "wtf/Functional.h" |
+ |
+namespace blink { |
+ |
+class EventTarget; |
+class MediaProvider; |
+class ScriptValue; |
+ |
+class MediaProvider : public WillBeGarbageCollectedMixin { |
+public: |
+ // Converter must be a static function and is used for converting between a ScriptValue and a MediaProvider instance. |
+ // If the ScriptValue can not be converted to a MediaProvider, the function must return null. |
+ typedef Function<MediaProvider*(const ScriptValue&)> Converter; |
+ static MediaProvider* convert(const ScriptValue&); |
+ |
+ MediaProvider(const String& interfaceName, const Converter&); |
+ virtual ~MediaProvider() { } |
+ |
+ virtual EventTarget* eventTarget() = 0; |
+ virtual const String& getObjectUrl() = 0; |
+ |
+ virtual void trace(Visitor*) { } |
+}; |
+ |
+} // namespace blink |
+ |
+#endif |