1 /*
2  * Copyright (C) 2022 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 ACCESSIBILITY_MOUSE_AUTOCLICK_H
17 #define ACCESSIBILITY_MOUSE_AUTOCLICK_H
18 
19 #include "accessibility_event_transmission.h"
20 #include "event_handler.h"
21 
22 namespace OHOS {
23 namespace Accessibility {
24 class AccessibilityMouseAutoclick : public EventTransmission {
25 public:
26     /**
27      * @brief A constructor used to create a AccessibilityMouseAutoclick instance.
28      */
29     AccessibilityMouseAutoclick();
30 
31     /**
32      * @brief A destructor used to delete the AccessibilityMouseAutoclick instance.
33      */
34     virtual ~AccessibilityMouseAutoclick();
35 
36     /**
37      * @brief Handle mouse events from previous event stream node.
38      * @param event the pointer event from Multimodal
39      * @return true: the event has been processed and does not need to be passed to the next node;
40      *         false: the event is not processed.
41      */
42     bool OnPointerEvent(MMI::PointerEvent &event) override;
43 
44     void SendMouseClickEvent();
45     void ResetAutoclickInfo();
46 
47     /**
48      * @brief Destroy the events.
49      */
50     void DestroyEvents() override;
51 
52 private:
53     class MouseAutoclickEventHandler : public AppExecFwk::EventHandler {
54     public:
55         /**
56          * @brief A constructor used to create a MouseAutoclickEventHandler instance.
57          */
58         MouseAutoclickEventHandler(const std::shared_ptr<AppExecFwk::EventRunner> &runner,
59             AccessibilityMouseAutoclick &mouseAutoclick);
60         virtual ~MouseAutoclickEventHandler() = default;
61 
62         /**
63          * @brief Process the event of install system bundles.
64          * @param event Indicates the event to be processed.
65          */
66         virtual void ProcessEvent(const AppExecFwk::InnerEvent::Pointer &event) override;
67 
68     private:
69         AccessibilityMouseAutoclick &mouseAutoclick_;
70     };
71 
72     void CancelAutoclick();
73     void RecognizeAutoclick(MMI::PointerEvent &event);
74     bool IsMouseMovement(MMI::PointerEvent &event);
75     int64_t GetSystemTime();
76     int64_t GetDelayTime();
77 
78     std::shared_ptr<MouseAutoclickEventHandler> timeoutHandler_ = nullptr;
79     std::shared_ptr<MMI::PointerEvent> lastMouseEvent_ = nullptr;
80 };
81 } // namespace Accessibility
82 } // namespace OHOS
83 #endif // ACCESSIBILITY_MOUSE_AUTOCLICK_H