2 * Copyright (c) 2020 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali/public-api/signals/functor-delegate.h>
22 #include <type_traits>
29 * our implementation currently relies on C function pointer to be the size of void*
30 * in FunctorDispatcher we pass the C function as void* as the code is common between member
31 * functions and regular functions.
32 * If this assert fails, please implement the template specialisation for C functions.
34 static_assert(sizeof(void*) == sizeof(&FunctorDispatcher<void>::Dispatch), "Need to implement template specialisation for C functions");
37 FunctorDelegate::~FunctorDelegate()
41 (*mDestructorDispatcher)(mFunctorPointer);
45 void FunctorDelegate::Execute()
49 Dispatcher dispatcher = mMemberFunctionDispatcher;
50 (*dispatcher)(mFunctorPointer);
54 FunctorDelegate::FunctorDelegate(void* objectPtr, Dispatcher dispatcher, Destructor destructor)
55 : mFunctorPointer(objectPtr),
56 mMemberFunctionDispatcher(dispatcher),
57 mDestructorDispatcher(destructor)