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 #include "frameworks/bridge/declarative_frontend/jsview/js_touch_handler.h"
17
18 #include "frameworks/bridge/declarative_frontend/view_stack_processor.h"
19
20 namespace OHOS::Ace::Framework {
21
CreateComponent(const JSCallbackInfo & args)22 RefPtr<OHOS::Ace::SingleChild> JSTouchHandler::CreateComponent(const JSCallbackInfo& args)
23 {
24 auto touchComponent = ViewStackProcessor::GetInstance()->GetTouchListenerComponent();
25
26 if (jsOnDownFunc_) {
27 auto touchDownId = EventMarker(
28 [execCtx = args.GetExecutionContext(), func = std::move(jsOnDownFunc_)](BaseEventInfo* info) {
29 JAVASCRIPT_EXECUTION_SCOPE_WITH_CHECK(execCtx);
30 TouchEventInfo* touchInfo = static_cast<TouchEventInfo*>(info);
31 if (!touchInfo) {
32 LOGE("Error processing event. Not an instance of TouchEventInfo");
33 return;
34 }
35 func->Execute(*touchInfo);
36 },
37 "touchDown", 0);
38 touchComponent->SetOnTouchDownId(touchDownId);
39 }
40
41 if (jsOnUpFunc_) {
42 auto touchUpId = EventMarker(
43 [execCtx = args.GetExecutionContext(), func = std::move(jsOnUpFunc_)](BaseEventInfo* info) {
44 JAVASCRIPT_EXECUTION_SCOPE_WITH_CHECK(execCtx);
45 TouchEventInfo* touchInfo = static_cast<TouchEventInfo*>(info);
46 if (!touchInfo) {
47 LOGE("Error processing event. Not an instance of TouchEventInfo");
48 return;
49 }
50 func->Execute(*touchInfo);
51 },
52 "touchUp", 0);
53 touchComponent->SetOnTouchUpId(touchUpId);
54 }
55
56 if (jsOnMoveFunc_) {
57 auto touchMoveId = EventMarker(
58 [execCtx = args.GetExecutionContext(), func = std::move(jsOnMoveFunc_)](BaseEventInfo* info) {
59 JAVASCRIPT_EXECUTION_SCOPE_WITH_CHECK(execCtx);
60 TouchEventInfo* touchInfo = static_cast<TouchEventInfo*>(info);
61 if (!touchInfo) {
62 LOGE("Error processing event. Not an instance of TouchEventInfo");
63 return;
64 }
65 func->Execute(*touchInfo);
66 },
67 "touchMove", 0);
68 touchComponent->SetOnTouchMoveId(touchMoveId);
69 }
70
71 if (jsOnCancelFunc_) {
72 auto touchCancelId = EventMarker(
73 [execCtx = args.GetExecutionContext(), func = std::move(jsOnCancelFunc_)](BaseEventInfo* info) {
74 JAVASCRIPT_EXECUTION_SCOPE_WITH_CHECK(execCtx);
75 TouchEventInfo* touchInfo = static_cast<TouchEventInfo*>(info);
76 if (!touchInfo) {
77 LOGE("Error processing event. Not an instance of TouchEventInfo");
78 return;
79 }
80 func->Execute(*touchInfo);
81 },
82 "touchCancel", 0);
83 touchComponent->SetOnTouchCancel(touchCancelId);
84 }
85
86 return touchComponent;
87 }
88
JsHandlerOnTouch(TouchEvent action,const JSCallbackInfo & args)89 void JSTouchHandler::JsHandlerOnTouch(TouchEvent action, const JSCallbackInfo& args)
90 {
91 if (args[0]->IsFunction()) {
92 JSRef<JSFunc> jsFunction = JSRef<JSFunc>::Cast(args[0]);
93 RefPtr<JsTouchFunction> handlerFunc = AceType::MakeRefPtr<JsTouchFunction>(jsFunction);
94 switch (action) {
95 case TouchEvent::DOWN:
96 jsOnDownFunc_ = handlerFunc;
97 break;
98 case TouchEvent::UP:
99 jsOnUpFunc_ = handlerFunc;
100 break;
101 case TouchEvent::MOVE:
102 jsOnMoveFunc_ = handlerFunc;
103 break;
104 case TouchEvent::CANCEL:
105 jsOnCancelFunc_ = handlerFunc;
106 break;
107 default:
108 break;
109 }
110 }
111 args.ReturnSelf();
112 }
113
JsHandlerOnDown(const JSCallbackInfo & args)114 void JSTouchHandler::JsHandlerOnDown(const JSCallbackInfo& args)
115 {
116 JSTouchHandler::JsHandlerOnTouch(TouchEvent::DOWN, args);
117 }
118
JsHandlerOnUp(const JSCallbackInfo & args)119 void JSTouchHandler::JsHandlerOnUp(const JSCallbackInfo& args)
120 {
121 JSTouchHandler::JsHandlerOnTouch(TouchEvent::UP, args);
122 }
123
JsHandlerOnMove(const JSCallbackInfo & args)124 void JSTouchHandler::JsHandlerOnMove(const JSCallbackInfo& args)
125 {
126 JSTouchHandler::JsHandlerOnTouch(TouchEvent::MOVE, args);
127 }
128
JsHandlerOnCancel(const JSCallbackInfo & args)129 void JSTouchHandler::JsHandlerOnCancel(const JSCallbackInfo& args)
130 {
131 JSTouchHandler::JsHandlerOnTouch(TouchEvent::CANCEL, args);
132 }
133
JSBind(BindingTarget globalObj)134 void JSTouchHandler::JSBind(BindingTarget globalObj)
135 {
136 JSClass<JSTouchHandler>::Declare("TouchHandler");
137 JSClass<JSTouchHandler>::CustomMethod("onDown", &JSTouchHandler::JsHandlerOnDown);
138 JSClass<JSTouchHandler>::CustomMethod("onUp", &JSTouchHandler::JsHandlerOnUp);
139 JSClass<JSTouchHandler>::CustomMethod("onMove", &JSTouchHandler::JsHandlerOnMove);
140 JSClass<JSTouchHandler>::CustomMethod("onCancel", &JSTouchHandler::JsHandlerOnCancel);
141 JSClass<JSTouchHandler>::Bind<>(globalObj);
142 }
143 }; // namespace OHOS::Ace::Framework
144