1 /*
2 * Copyright (c) 2021-2022 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 #include "frameworks/bridge/declarative_frontend/engine/functions/js_touch_function.h"
17
18 #include "base/log/log.h"
19 #include "bridge/declarative_frontend/engine/functions/js_function.h"
20 #include "frameworks/bridge/declarative_frontend/jsview/js_view_register.h"
21
22 namespace OHOS::Ace::Framework {
23
CreateTouchInfo(const TouchLocationInfo & touchInfo,TouchEventInfo & info)24 JSRef<JSObject> JsTouchFunction::CreateTouchInfo(const TouchLocationInfo& touchInfo, TouchEventInfo& info)
25 {
26 JSRef<JSObjTemplate> objectTemplate = JSRef<JSObjTemplate>::New();
27 objectTemplate->SetInternalFieldCount(1);
28 JSRef<JSObject> touchInfoObj = objectTemplate->NewInstance();
29 const OHOS::Ace::Offset& globalLocation = touchInfo.GetGlobalLocation();
30 const OHOS::Ace::Offset& localLocation = touchInfo.GetLocalLocation();
31 const OHOS::Ace::Offset& screenLocation = touchInfo.GetScreenLocation();
32 touchInfoObj->SetProperty<int32_t>("type", static_cast<int32_t>(touchInfo.GetTouchType()));
33 touchInfoObj->SetProperty<int32_t>("id", touchInfo.GetFingerId());
34 touchInfoObj->SetProperty<double>("displayX", SystemProperties::Px2Vp(screenLocation.GetX()));
35 touchInfoObj->SetProperty<double>("displayY", SystemProperties::Px2Vp(screenLocation.GetY()));
36 touchInfoObj->SetProperty<double>("windowX", SystemProperties::Px2Vp(globalLocation.GetX()));
37 touchInfoObj->SetProperty<double>("windowY", SystemProperties::Px2Vp(globalLocation.GetY()));
38 touchInfoObj->SetProperty<double>("screenX", SystemProperties::Px2Vp(globalLocation.GetX()));
39 touchInfoObj->SetProperty<double>("screenY", SystemProperties::Px2Vp(globalLocation.GetY()));
40 touchInfoObj->SetProperty<double>("x", SystemProperties::Px2Vp(localLocation.GetX()));
41 touchInfoObj->SetProperty<double>("y", SystemProperties::Px2Vp(localLocation.GetY()));
42 touchInfoObj->Wrap<TouchEventInfo>(&info);
43 return touchInfoObj;
44 }
45
CreateJSEventInfo(TouchEventInfo & info)46 JSRef<JSObject> JsTouchFunction::CreateJSEventInfo(TouchEventInfo& info)
47 {
48 JSRef<JSObjTemplate> objectTemplate = JSRef<JSObjTemplate>::New();
49 objectTemplate->SetInternalFieldCount(1);
50 JSRef<JSObject> eventObj = objectTemplate->NewInstance();
51 JSRef<JSArray> touchArr = JSRef<JSArray>::New();
52 JSRef<JSArray> changeTouchArr = JSRef<JSArray>::New();
53 eventObj->SetProperty<double>("source", static_cast<int32_t>(info.GetSourceDevice()));
54 eventObj->SetProperty<double>("timestamp", static_cast<double>(info.GetTimeStamp().time_since_epoch().count()));
55 auto target = CreateEventTargetObject(info);
56 eventObj->SetPropertyObject("target", target);
57 eventObj->SetProperty<double>("pressure", info.GetForce());
58 if (info.GetTiltX().has_value()) {
59 eventObj->SetProperty<double>("tiltX", info.GetTiltX().value());
60 }
61 if (info.GetTiltY().has_value()) {
62 eventObj->SetProperty<double>("tiltY", info.GetTiltY().value());
63 }
64 eventObj->SetProperty<double>("sourceTool", static_cast<int32_t>(info.GetSourceTool()));
65
66 const std::list<TouchLocationInfo>& touchList = info.GetTouches();
67 uint32_t idx = 0;
68 for (const TouchLocationInfo& location : touchList) {
69 JSRef<JSObject> element = CreateTouchInfo(location, info);
70 touchArr->SetValueAt(idx++, element);
71 }
72 eventObj->SetPropertyObject("touches", touchArr);
73
74 idx = 0; // reset index counter
75 const std::list<TouchLocationInfo>& changeTouch = info.GetChangedTouches();
76 for (const TouchLocationInfo& change : changeTouch) {
77 JSRef<JSObject> element = CreateTouchInfo(change, info);
78 changeTouchArr->SetValueAt(idx++, element);
79 }
80 if (changeTouch.size() > 0) {
81 eventObj->SetProperty<int32_t>("type", static_cast<int32_t>(changeTouch.front().GetTouchType()));
82 }
83 eventObj->SetPropertyObject("changedTouches", changeTouchArr);
84 eventObj->SetPropertyObject(
85 "stopPropagation", JSRef<JSFunc>::New<FunctionCallback>(JsStopPropagation));
86 eventObj->SetPropertyObject(
87 "getHistoricalPoints", JSRef<JSFunc>::New<FunctionCallback>(JsGetHistoricalPoints));
88 eventObj->Wrap<TouchEventInfo>(&info);
89 return eventObj;
90 }
91
Execute(TouchEventInfo & info)92 void JsTouchFunction::Execute(TouchEventInfo& info)
93 {
94 LOGD("JsTouchFunction: eventType[%s]", info.GetType().c_str());
95 JSRef<JSVal> param = JSRef<JSObject>::Cast(CreateJSEventInfo(info));
96 JsFunction::ExecuteJS(1, ¶m);
97 }
98
99 } // namespace OHOS::Ace::Framework
100