Return to event.h CVS log

Up to [truecrypt] / truecrypt / platform

Annotation of truecrypt/platform/event.h, revision 1.1

1.1     ! root        1: /*
        !             2:  Copyright (c) 2008 TrueCrypt Foundation. All rights reserved.
        !             3: 
        !             4:  Governed by the TrueCrypt License 2.4 the full text of which is contained
        !             5:  in the file License.txt included in TrueCrypt binary and source code
        !             6:  distribution packages.
        !             7: */
        !             8: 
        !             9: #ifndef TC_HEADER_Platform_Event
        !            10: #define TC_HEADER_Platform_Event
        !            11: 
        !            12: #include "PlatformBase.h"
        !            13: #include "ForEach.h"
        !            14: #include "Mutex.h"
        !            15: #include "SharedPtr.h"
        !            16: 
        !            17: namespace TrueCrypt
        !            18: {
        !            19:        struct EventArgs
        !            20:        {
        !            21:                virtual ~EventArgs () { }
        !            22:        };
        !            23: 
        !            24:        class EventConnectorBase
        !            25:        {
        !            26:        public:
        !            27:                virtual ~EventConnectorBase () { }
        !            28:                virtual void operator() (EventArgs &args) = 0;
        !            29: 
        !            30:                virtual EventConnectorBase *CloneNew () const = 0;
        !            31:                virtual void *GetHandler () const = 0;
        !            32:        };
        !            33: 
        !            34:        typedef list < shared_ptr <EventConnectorBase> > EventHandlerList;
        !            35: 
        !            36:        template <class T>
        !            37:        class EventConnector : public EventConnectorBase
        !            38:        {
        !            39:        public:
        !            40:                typedef void (T::*EventHandlerFunction) (EventArgs &);
        !            41: 
        !            42:                EventConnector (T *handler, EventHandlerFunction function)
        !            43:                        : Handler (handler), Function (function) { }
        !            44: 
        !            45:                virtual void operator() (EventArgs &args) { (Handler->*Function) (args); }
        !            46: 
        !            47:                virtual EventConnectorBase *CloneNew () const { return new EventConnector <T> (*this); }
        !            48:                virtual void *GetHandler () const { return Handler; }
        !            49: 
        !            50:        protected:
        !            51:                T *Handler;
        !            52:                EventHandlerFunction Function;
        !            53:        };
        !            54: 
        !            55:        class Event
        !            56:        {
        !            57:        public:
        !            58:                Event () { }
        !            59:                virtual ~Event () { }
        !            60: 
        !            61:                void Connect (const EventConnectorBase &connector);
        !            62:                void Disconnect (void *handler);
        !            63:                void Raise ();
        !            64:                void Raise (EventArgs &args);
        !            65: 
        !            66:        protected:
        !            67:                EventHandlerList ConnectedHandlers;
        !            68:                Mutex HandlersMutex;
        !            69: 
        !            70:        private:
        !            71:                Event (const Event &);
        !            72:                Event &operator= (const Event &);
        !            73:        };
        !            74: 
        !            75:        struct ExceptionEventArgs : EventArgs
        !            76:        {
        !            77:                ExceptionEventArgs (exception &ex) : mException (ex) { }
        !            78:                exception &mException;
        !            79: 
        !            80:        private:
        !            81:                ExceptionEventArgs (const ExceptionEventArgs &);
        !            82:                ExceptionEventArgs &operator= (const ExceptionEventArgs &);
        !            83:        };
        !            84: }
        !            85: 
        !            86: #endif // TC_HEADER_Platform_Event

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.