Index: Source/core/html/MediaProvider.cpp |
diff --git a/Source/core/html/MediaProvider.cpp b/Source/core/html/MediaProvider.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d93d65c2ed4a54491e8b5b9cf8c4384b45ec56c8 |
--- /dev/null |
+++ b/Source/core/html/MediaProvider.cpp |
@@ -0,0 +1,60 @@ |
+// 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. |
+ |
+#include "config.h" |
+#include "core/html/MediaProvider.h" |
+ |
+#include "wtf/HashMap.h" |
+#include "wtf/MainThread.h" |
+#include "wtf/text/StringHash.h" |
+ |
+namespace blink { |
+ |
+class MediaProviderConverterContainer { |
+public: |
+ static MediaProviderConverterContainer& container(); |
+ |
+ void registerMediaProviderConverter(const String& interfaceName, const MediaProvider::Converter&); |
+ virtual MediaProvider* convert(const ScriptValue&); |
+ |
+private: |
+ HashMap<String, MediaProvider::Converter> m_converters; |
+}; |
+ |
+MediaProviderConverterContainer& MediaProviderConverterContainer::container() |
+{ |
+ ASSERT(isMainThread()); |
+ DEFINE_STATIC_LOCAL(MediaProviderConverterContainer, instance, ()); |
+ return instance; |
+} |
+ |
+void MediaProviderConverterContainer::registerMediaProviderConverter(const String& interfaceName, const MediaProvider::Converter& converter) |
+{ |
+ if (m_converters.get(interfaceName).isNull()) |
+ m_converters.set(interfaceName, converter); |
+} |
+ |
+MediaProvider* MediaProviderConverterContainer::convert(const ScriptValue& value) |
+{ |
+ for (HashMap<String, MediaProvider::Converter>::iterator it = m_converters.begin(); it != m_converters.end(); ++it) { |
+ MediaProvider* provider = (it->value)(value); |
+ if (provider) |
+ return provider; |
+ } |
+ return nullptr; |
+} |
+ |
+MediaProvider::MediaProvider(const String& interfaceName, const Converter& converter) |
+{ |
+ MediaProviderConverterContainer& container = MediaProviderConverterContainer::container(); |
+ container.registerMediaProviderConverter(interfaceName, converter); |
haraken
2014/09/20 08:52:20
Don't we need to unregister the convert at some po
perkj_chrome
2014/09/24 11:39:38
I don't think so since what we register is the sta
|
+} |
+ |
+MediaProvider* MediaProvider::convert(const ScriptValue& value) |
+{ |
+ MediaProviderConverterContainer& container = MediaProviderConverterContainer::container(); |
+ return container.convert(value); |
+} |
+ |
+} // namespace blink |