1 // Copyright 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_RENDERER_WEB_UI_EXTENSION_DATA_H_ 6 #define CONTENT_RENDERER_WEB_UI_EXTENSION_DATA_H_ 7 8 #include <map> 9 #include <string> 10 11 #include "base/basictypes.h" 12 #include "content/public/renderer/render_view_observer.h" 13 #include "content/public/renderer/render_view_observer_tracker.h" 14 15 namespace content { 16 17 class WebUIExtensionData 18 : public RenderViewObserver, 19 public RenderViewObserverTracker<WebUIExtensionData> { 20 public: 21 explicit WebUIExtensionData(RenderView* render_view); 22 virtual ~WebUIExtensionData(); 23 24 // Returns value for a given |key|. Will return an empty string if no such key 25 // exists in the |variable_map_|. 26 std::string GetValue(const std::string& key) const; 27 28 private: 29 // RenderViewObserver implementation. 30 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; 31 32 void OnSetWebUIProperty(const std::string& name, const std::string& value); 33 34 std::map<std::string, std::string> variable_map_; 35 36 DISALLOW_IMPLICIT_CONSTRUCTORS(WebUIExtensionData); 37 }; 38 39 } // namespace content 40 41 #endif // CONTENT_RENDERER_WEB_UI_EXTENSION_DATA_H_ 42