1 /*
2  * Copyright (c) 2021 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 OHOS_INPUT_TRANSFER_STATION_H
17 #define OHOS_INPUT_TRANSFER_STATION_H
18 
19 #include "input_manager.h"
20 #include "pointer_event.h"
21 #include "window.h"
22 #include "window_input_channel.h"
23 #include "wm_single_instance.h"
24 #include "vsync_station.h"
25 
26 namespace OHOS {
27 namespace Rosen {
28 class InputEventListener;
29 
30 class InputTransferStation {
31 WM_DECLARE_SINGLE_INSTANCE_BASE(InputTransferStation);
32 friend class InputEventListener;
33 public:
IsDestroyed()34     bool IsDestroyed()
35     {
36         return destroyed_;
37     }
38     void AddInputWindow(const sptr<Window>& window);
39     void RemoveInputWindow(uint32_t windowId);
MarkRegisterToMMI()40     void MarkRegisterToMMI()
41     {
42         isRegisteredMMI_ = true;
43     }
44 protected:
45     InputTransferStation() = default;
46     ~InputTransferStation();
47 private:
IsRegisterToMMI()48     bool IsRegisterToMMI() const
49     {
50         return isRegisteredMMI_;
51     }
52     sptr<WindowInputChannel> GetInputChannel(uint32_t windowId);
53 
54     std::mutex mtx_;
55     bool destroyed_ { false };
56     std::unordered_map<uint32_t, sptr<WindowInputChannel>> windowInputChannels_;
57     std::shared_ptr<MMI::IInputEventConsumer> inputListener_ = nullptr;
58     std::shared_ptr<AppExecFwk::EventHandler> eventHandler_ = nullptr;
59     const std::string INPUT_AND_VSYNC_THREAD = "InputAndVsyncThread";
60 
61     bool isRegisteredMMI_ { false };
62 };
63 
64 class InputEventListener : public MMI::IInputEventConsumer {
65 public:
66     InputEventListener() = default;
67     void OnInputEvent(std::shared_ptr<MMI::PointerEvent> pointerEvent) const override;
68     void OnInputEvent(std::shared_ptr<MMI::KeyEvent> keyEvent) const override;
69     void OnInputEvent(std::shared_ptr<MMI::AxisEvent> axisEvent) const override;
70 };
71 } // namespace Rosen
72 } // namespace OHOS
73 
74 
75 #endif // OHOS_INPUT_TRANSFER_STATION_H
76