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widget_proxies.hpp

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00001 /*
00002     Copyright 2008 Adobe Systems Incorporated
00003     Distributed under the MIT License (see accompanying file LICENSE_1_0_0.txt
00004     or a copy at http://stlab.adobe.com/licenses.html)
00005 */
00006 
00007 /*************************************************************************************************/
00008 
00009 #ifndef ADOBE_WIDGET_PROXIES_HPP
00010 #define ADOBE_WIDGET_PROXIES_HPP
00011 
00012 /*************************************************************************************************/
00013 
00014 #include <adobe/config.hpp>
00015 
00016 #include <adobe/future/assemblage.hpp>
00017 #include <adobe/poly_controller.hpp>
00018 #include <adobe/poly_view.hpp>
00019 
00020 /*************************************************************************************************/
00021 
00022 namespace adobe {
00023 
00024 /*************************************************************************************************/
00025 
00026 namespace implementation {
00027 
00028 /*************************************************************************************************/
00031 template <typename T,
00032           typename MonitorFunction,
00033           typename EnableFunction>
00034 struct functions_as_controller
00035 {
00036     typedef T                                         model_type;
00037     typedef boost::function<void (const model_type&)> setter_type;
00038 
00039     functions_as_controller(const MonitorFunction& monitor_function,
00040                             const EnableFunction&  enable_function) :
00041         monitor_function_m(monitor_function),
00042         enable_function_m(enable_function)
00043     { }
00044 
00045     void monitor(const setter_type& proc)
00046     {
00047         monitor_function_m(proc);
00048     }
00049 
00050     void enable(bool enable)
00051     {
00052         enable_function_m(enable);
00053     }
00054 
00055     friend inline bool operator==(const functions_as_controller&, const functions_as_controller&)
00056     { return true; }
00057 
00058 private:
00059     MonitorFunction monitor_function_m;
00060     EnableFunction  enable_function_m;
00061 };
00062 
00063 /*************************************************************************************************/
00064 
00065 template <typename T, typename MF, typename EF>
00066 inline functions_as_controller<T, MF, EF> make_functions_as_controller(const MF& mf,
00067                                                                        const EF& ef)
00068 {
00069     return functions_as_controller<T, MF, EF>(mf, ef);
00070 }
00071 
00072 /*************************************************************************************************/
00073 
00074 } // namespace implementation
00075 
00076 /*************************************************************************************************/
00077 
00082 template <typename T,
00083           typename MonitorFunction,
00084           typename EnableFunction>
00085 inline poly<controller> make_functions_as_poly_controller(const MonitorFunction& monitor_function,
00086                                                           const EnableFunction&  enable_function)
00087 {
00088     return poly<controller>(implementation::functions_as_controller<T,
00089                                                                     MonitorFunction,
00090                                                                     EnableFunction>(monitor_function,
00091                                                                                     enable_function));
00092 }
00093 
00094 /*************************************************************************************************/
00095 
00096 } // namespace adobe
00097 
00098 /*************************************************************************************************/
00099 // ADOBE_WIDGET_PROXIES_HPP
00100 #endif
00101 
00102 /*************************************************************************************************/

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