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Diff: source/core/MemberFunctionCallback.cpp
- Revision:
- 1:8aa5cdb4ab67
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/source/core/MemberFunctionCallback.cpp Thu Apr 07 01:33:22 2016 +0100 @@ -0,0 +1,58 @@ +/* +The MIT License (MIT) + +Copyright (c) 2016 British Broadcasting Corporation. +This software is provided by Lancaster University by arrangement with the BBC. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the "Software"), +to deal in the Software without restriction, including without limitation +the rights to use, copy, modify, merge, publish, distribute, sublicense, +and/or sell copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. +*/ + +/** + * Class definition for a MemberFunctionCallback. + * + * C++ member functions (also known as methods) have a more complex + * representation than normal C functions. This class allows a reference to + * a C++ member function to be stored then called at a later date. + * + * This class is used extensively by the MicroBitMessageBus to deliver + * events to C++ methods. + */ + +#include "MicroBitConfig.h" +#include "MemberFunctionCallback.h" + +/** + * Calls the method reference held by this MemberFunctionCallback. + * + * @param e The event to deliver to the method + */ +void MemberFunctionCallback::fire(MicroBitEvent e) +{ + invoke(object, method, e); +} + +/** + * A comparison of two MemberFunctionCallback objects. + * + * @return true if the given MemberFunctionCallback is equivalent to this one, false otherwise. + */ +bool MemberFunctionCallback::operator==(const MemberFunctionCallback &mfc) +{ + return (object == mfc.object && (memcmp(method,mfc.method,sizeof(method))==0)); +}