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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 #include "frameworks/bridge/declarative_frontend/engine/jsi/nativeModule/arkts_utils.h"
18 
19 #include "base/log/log.h"
20 #include "bridge/declarative_frontend/engine/functions/js_common_utils.h"
21 #include "bridge/declarative_frontend/engine/functions/js_function.h"
22 #include "frameworks/bridge/declarative_frontend/jsview/js_view_register.h"
23 
24 namespace OHOS::Ace::Framework {
25 using namespace OHOS::Ace::Framework::CommonUtils;
26 
CreateTouchInfo(const TouchLocationInfo & touchInfo,TouchEventInfo & info)27 JSRef<JSObject> JsTouchFunction::CreateTouchInfo(const TouchLocationInfo& touchInfo, TouchEventInfo& info)
28 {
29     JSRef<JSObjTemplate> objectTemplate = JSRef<JSObjTemplate>::New();
30     objectTemplate->SetInternalFieldCount(1);
31     JSRef<JSObject> touchInfoObj = objectTemplate->NewInstance();
32     const OHOS::Ace::Offset& globalLocation = touchInfo.GetGlobalLocation();
33     const OHOS::Ace::Offset& localLocation = touchInfo.GetLocalLocation();
34     const OHOS::Ace::Offset& screenLocation = touchInfo.GetScreenLocation();
35     const OHOS::Ace::Offset& globalDisplayLocation = touchInfo.GetGlobalDisplayLocation();
36     touchInfoObj->SetProperty<int32_t>("type", static_cast<int32_t>(touchInfo.GetTouchType()));
37     touchInfoObj->SetProperty<int32_t>("id", touchInfo.GetFingerId());
38     touchInfoObj->SetProperty<double>("displayX", PipelineBase::Px2VpWithCurrentDensity(screenLocation.GetX()));
39     touchInfoObj->SetProperty<double>("displayY", PipelineBase::Px2VpWithCurrentDensity(screenLocation.GetY()));
40     touchInfoObj->SetProperty<double>("windowX", PipelineBase::Px2VpWithCurrentDensity(globalLocation.GetX()));
41     touchInfoObj->SetProperty<double>("windowY", PipelineBase::Px2VpWithCurrentDensity(globalLocation.GetY()));
42     touchInfoObj->SetProperty<double>("screenX", PipelineBase::Px2VpWithCurrentDensity(globalLocation.GetX()));
43     touchInfoObj->SetProperty<double>("screenY", PipelineBase::Px2VpWithCurrentDensity(globalLocation.GetY()));
44     touchInfoObj->SetProperty<double>("x", PipelineBase::Px2VpWithCurrentDensity(localLocation.GetX()));
45     touchInfoObj->SetProperty<double>("y", PipelineBase::Px2VpWithCurrentDensity(localLocation.GetY()));
46     touchInfoObj->SetProperty<double>(
47         "globalDisplayX", PipelineBase::Px2VpWithCurrentDensity(globalDisplayLocation.GetX()));
48     touchInfoObj->SetProperty<double>(
49         "globalDisplayY", PipelineBase::Px2VpWithCurrentDensity(globalDisplayLocation.GetY()));
50     touchInfoObj->SetProperty<double>(
51         "pressedTime", static_cast<double>(touchInfo.GetPressedTime().time_since_epoch().count()));
52     touchInfoObj->SetProperty<double>("pressure", PipelineBase::Px2VpWithCurrentDensity(touchInfo.GetForce()));
53     touchInfoObj->SetProperty<double>("width", PipelineBase::Px2VpWithCurrentDensity(touchInfo.GetWidth()));
54     touchInfoObj->SetProperty<double>("height", PipelineBase::Px2VpWithCurrentDensity(touchInfo.GetHeight()));
55     touchInfoObj->SetProperty<int32_t>("hand", touchInfo.GetOperatingHand());
56     touchInfoObj->Wrap<TouchEventInfo>(&info);
57     return touchInfoObj;
58 }
59 
CreateJSEventInfo(TouchEventInfo & info)60 JSRef<JSObject> JsTouchFunction::CreateJSEventInfo(TouchEventInfo& info)
61 {
62     JSRef<JSObjTemplate> objectTemplate = JSRef<JSObjTemplate>::New();
63     objectTemplate->SetInternalFieldCount(1);
64     JSRef<JSObject> eventObj = objectTemplate->NewInstance();
65     JSRef<JSArray> touchArr = JSRef<JSArray>::New();
66     JSRef<JSArray> changeTouchArr = JSRef<JSArray>::New();
67     eventObj->SetProperty<double>("source", static_cast<int32_t>(info.GetSourceDevice()));
68     eventObj->SetProperty<double>("timestamp", static_cast<double>(info.GetTimeStamp().time_since_epoch().count()));
69     auto target = CreateEventTargetObject(info);
70     eventObj->SetPropertyObject("target", target);
71     eventObj->SetProperty<double>("pressure", info.GetForce());
72     eventObj->SetProperty<double>("deviceId", info.GetDeviceId());
73     eventObj->SetPropertyObject("preventDefault", JSRef<JSFunc>::New<FunctionCallback>(JsTouchPreventDefault));
74     eventObj->SetProperty<double>("tiltX", info.GetTiltX().value_or(0.0f));
75     eventObj->SetProperty<double>("tiltY", info.GetTiltY().value_or(0.0f));
76     eventObj->SetProperty<double>("rollAngle", info.GetRollAngle().value_or(0.0f));
77     eventObj->SetProperty<double>("sourceTool", static_cast<int32_t>(info.GetSourceTool()));
78     eventObj->SetProperty<int32_t>("targetDisplayId", info.GetTargetDisplayId());
79 
80     const std::list<TouchLocationInfo>& touchList = info.GetTouches();
81     uint32_t idx = 0;
82     for (const TouchLocationInfo& location : touchList) {
83         JSRef<JSObject> element = CreateTouchInfo(location, info);
84         touchArr->SetValueAt(idx++, element);
85     }
86     eventObj->SetPropertyObject("touches", touchArr);
87 
88     idx = 0; // reset index counter
89     const std::list<TouchLocationInfo>& changeTouch = info.GetChangedTouches();
90     for (const TouchLocationInfo& change : changeTouch) {
91         JSRef<JSObject> element = CreateTouchInfo(change, info);
92         changeTouchArr->SetValueAt(idx++, element);
93     }
94     if (changeTouch.size() > 0) {
95         eventObj->SetProperty<int32_t>("type", static_cast<int32_t>(changeTouch.front().GetTouchType()));
96     }
97     eventObj->SetPropertyObject("changedTouches", changeTouchArr);
98     eventObj->SetProperty<double>("axisVertical", 0.0f);
99     eventObj->SetProperty<double>("axisHorizontal", 0.0f);
100     eventObj->SetPropertyObject(
101         "stopPropagation", JSRef<JSFunc>::New<FunctionCallback>(JsStopPropagation));
102     eventObj->SetPropertyObject(
103         "getHistoricalPoints", JSRef<JSFunc>::New<FunctionCallback>(JsGetHistoricalPoints));
104     eventObj->SetPropertyObject(
105         "getModifierKeyState",
106         JSRef<JSFunc>::New<FunctionCallback>(NG::ArkTSUtils::JsGetModifierKeyState));
107     eventObj->SetPropertyObject("preventDefault", JSRef<JSFunc>::New<FunctionCallback>(JsPreventDefault));
108     eventObj->Wrap<TouchEventInfo>(&info);
109     return eventObj;
110 }
111 
Execute(TouchEventInfo & info)112 void JsTouchFunction::Execute(TouchEventInfo& info)
113 {
114     JSRef<JSVal> param = JSRef<JSObject>::Cast(CreateJSEventInfo(info));
115     JsFunction::ExecuteJS(1, &param);
116 }
117 
118 } // namespace OHOS::Ace::Framework
119