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 #include "touch_event_handler.h"
17
18 #include <vector>
19 #include "base/log/log.h"
20 #include "core/event/touch_event.h"
21 #include "adapter/preview/entrance/event_dispatcher.h"
22
23 namespace OHOS::Ace::Platform {
24 namespace {
25 std::mutex lastMouseMutex;
26 double lastMouseX = 0;
27 double lastMouseY = 0;
28 bool lastMousePressed = false;
29 } // namespace
30
CreateMockTouchEvent(const TouchType & type)31 struct TouchEvent CreateMockTouchEvent(const TouchType &type)
32 {
33 std::lock_guard lock(lastMouseMutex);
34 return {
35 .id = 1,
36 .x = lastMouseX,
37 .y = lastMouseY,
38 .screenX = 0,
39 .screenY = 0,
40 .type = type,
41 .time = std::chrono::high_resolution_clock::now(),
42 .size = 96.0,
43 .force = 0,
44 .deviceId = 0,
45 .sourceType = SourceType::TOUCH,
46 .pointers = {},
47 };
48 }
49
HandleMouseButton(int button,bool pressed,int mods)50 void HandleMouseButton(int button, bool pressed, int mods)
51 {
52 {
53 std::lock_guard lock(lastMouseMutex);
54 lastMousePressed = pressed;
55 }
56
57 auto event = CreateMockTouchEvent(pressed ? TouchType::DOWN : TouchType::UP);
58 EventDispatcher::GetInstance().DispatchTouchEvent(event);
59 }
60
HandleCursorPos(double x,double y)61 void HandleCursorPos(double x, double y) {
62 {
63 std::lock_guard lock(lastMouseMutex);
64 lastMouseX = x;
65 lastMouseY = y;
66 }
67
68 if (lastMousePressed) {
69 auto event = CreateMockTouchEvent(TouchType::MOVE);
70 EventDispatcher::GetInstance().DispatchTouchEvent(event);
71 }
72 }
73
InitialTouchEventCallback(const GlfwController & controller)74 void TouchEventHandler::InitialTouchEventCallback(const GlfwController &controller)
75 {
76 controller->OnMouseButton(HandleMouseButton);
77 controller->OnCursorPos(HandleCursorPos);
78 }
79
80 } // namespace OHOS::Ace::Platform
81