EventListener.h

00001 /*
00002  * This source file is part of libRocket, the HTML/CSS Interface Middleware
00003  *
00004  * For the latest information, see http://www.librocket.com
00005  *
00006  * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
00007  *
00008  * Permission is hereby granted, free of charge, to any person obtaining a copy
00009  * of this software and associated documentation files (the "Software"), to deal
00010  * in the Software without restriction, including without limitation the rights
00011  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00012  * copies of the Software, and to permit persons to whom the Software is
00013  * furnished to do so, subject to the following conditions:
00014  *
00015  * The above copyright notice and this permission notice shall be included in
00016  * all copies or substantial portions of the Software.
00017  * 
00018  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00019  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00020  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00021  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00022  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00023  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00024  * THE SOFTWARE.
00025  *
00026  */
00027 
00028 #ifndef ROCKETCOREPYTHONEVENTLISTENER_H
00029 #define ROCKETCOREPYTHONEVENTLISTENER_H
00030 
00031 #include <Rocket/Core/EventListener.h>
00032 
00033 namespace Rocket {
00034 namespace Core {
00035 namespace Python {
00036 
00046 class EventListener : public Rocket::Core::EventListener
00047 {
00048 public:
00051         EventListener( PyObject* object );
00055         EventListener( const Rocket::Core::String& code, Element* context = NULL );
00056         virtual ~EventListener();
00057 
00059         virtual void ProcessEvent( Event& event );
00060 
00062         virtual void OnAttach( Element* element );
00063         virtual void OnDetach( Element* element );
00064 
00065 private:
00066         // Element we're attached to
00067         Element* element;
00068 
00069         // Callable this listener is using
00070         PyObject* callable;
00071         PyObject* global_namespace;
00072 
00073         // Source code, if any
00074         Rocket::Core::String source_code;
00075 
00076         // Compile the source code
00077         bool Compile();
00078         PyObject* GetGlobalNamespace();
00079 };
00080 
00081 }
00082 }
00083 }
00084 
00085 #endif