1 // Copyright (c) 2011 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 CHROME_BROWSER_CHROMEOS_NOTIFICATIONS_BALLOON_VIEW_HOST_H_ 6 #define CHROME_BROWSER_CHROMEOS_NOTIFICATIONS_BALLOON_VIEW_HOST_H_ 7 #pragma once 8 9 #include "chrome/browser/ui/views/notifications/balloon_view_host.h" 10 11 #include <map> 12 #include <string> 13 14 #include "base/callback.h" 15 #include "ui/gfx/native_widget_types.h" 16 17 class ListValue; 18 class GURL; 19 20 namespace chromeos { 21 22 typedef Callback1<const ListValue*>::Type MessageCallback; 23 24 class BalloonViewHost : public ::BalloonViewHost { 25 public: BalloonViewHost(Balloon * balloon)26 explicit BalloonViewHost(Balloon* balloon) : ::BalloonViewHost(balloon) {} 27 virtual ~BalloonViewHost(); 28 29 // Adds a callback for WebUI message. Returns true if the callback 30 // is succssfully registered, or false otherwise. It fails to add if 31 // a callback for given message already exists. The callback object 32 // is owned and deleted by callee. 33 bool AddWebUIMessageCallback(const std::string& message, 34 MessageCallback* callback); 35 36 // Process WebUI message. 37 virtual void ProcessWebUIMessage( 38 const ExtensionHostMsg_DomMessage_Params& params); 39 40 private: 41 // A map of message name -> message handling callback. 42 typedef std::map<std::string, MessageCallback*> MessageCallbackMap; 43 MessageCallbackMap message_callbacks_; 44 45 DISALLOW_COPY_AND_ASSIGN(BalloonViewHost); 46 }; 47 48 } // namespace chromeos 49 50 #endif // CHROME_BROWSER_CHROMEOS_NOTIFICATIONS_BALLOON_VIEW_HOST_H_ 51