2 * Copyright (c) 2021 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/signal-slot-connections.h>
23 #include <type_traits>
26 #include <dali/public-api/signals/callback.h>
30 SlotConnection::SlotConnection(SlotObserver* slotObserver, CallbackBase* callback)
31 : mSlotObserver(slotObserver),
36 void SignalConnection::Disconnect(SlotObserver* slotObserver) noexcept
40 // tell the slot the signal wants to disconnect
41 mSignalObserver->SignalDisconnected(slotObserver, mCallback);
42 mSignalObserver = nullptr;
45 // we own the callback, SignalObserver is expected to delete the SlotConnection on Disconnected so its pointer to our mCallback is no longer used
50 static_assert(std::is_nothrow_move_constructible_v<SignalConnection>);
51 static_assert(std::is_nothrow_move_assignable_v<SignalConnection>);
53 static_assert(std::is_copy_constructible_v<SignalConnection> == false);
54 static_assert(std::is_copy_assignable_v<SignalConnection> == false);