1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_EVENT_RESPONSE_CTRL_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_EVENT_RESPONSE_CTRL_H
18 
19 #include "base/memory/ace_type.h"
20 
21 namespace OHOS::Ace::NG {
22 // forward declare
23 class FrameNode;
24 // define of response controller, affected by monopolize attribute
25 class ResponseCtrl : public AceType {
26     DECLARE_ACE_TYPE(ResponseCtrl, AceType);
27 
28 public:
29     ResponseCtrl() = default;
30     bool ShouldResponse(const WeakPtr<NG::FrameNode>& frameNode);
31     void TrySetFirstResponse(const WeakPtr<NG::FrameNode>& frameNode);
32     void Reset();
33 
34 private:
35     enum class MonopolizeState { INIT, ON, OFF };
36 
37     MonopolizeState state_ = MonopolizeState::INIT;
38     WeakPtr<NG::FrameNode> firstResponseNode_ = nullptr;
39 };
40 } // namespace OHOS::Ace::NG
41 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_EVENT_RESPONSE_CTRL_H