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/callback.h>
25 CallbackBase::CallbackBase()
31 CallbackBase::~CallbackBase()
36 CallbackBase::CallbackBase(Function function)
42 CallbackBase::CallbackBase(void* object, MemberFunction function, Dispatcher dispatcher)
43 : mMemberFunction(function)
45 mImpl = new CallbackBase::Impl;
48 mImpl->mObjectPointer = object;
49 mImpl->mMemberFunctionDispatcher = dispatcher;
50 mImpl->mDestructorDispatcher = nullptr; // object is not owned
54 CallbackBase::CallbackBase(void* object, MemberFunction function, Dispatcher dispatcher, Destructor destructor)
55 : mMemberFunction(function)
57 mImpl = new CallbackBase::Impl;
60 mImpl->mObjectPointer = object;
61 mImpl->mMemberFunctionDispatcher = dispatcher;
62 mImpl->mDestructorDispatcher = destructor; // object is owned
66 void CallbackBase::Reset()
70 // if destructor function is set it means we own this object
71 if(mImpl->mObjectPointer &&
72 mImpl->mDestructorDispatcher)
74 // call the destructor dispatcher
75 (*mImpl->mDestructorDispatcher)(mImpl->mObjectPointer);
87 CallbackBase::Impl::Impl()
88 : mObjectPointer(nullptr),
89 mMemberFunctionDispatcher(nullptr),
90 mDestructorDispatcher(nullptr)
94 // Non-member equality operator
96 bool operator==(const CallbackBase& lhs, const CallbackBase& rhs)
100 // check it's the same member function / object
101 return (lhs.mFunction == rhs.mFunction) && (lhs.mImpl->mObjectPointer == rhs.mImpl->mObjectPointer);
105 // check if it the same C function or a static member function
106 return (lhs.mFunction == rhs.mFunction);