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/js_frontend/engine/v8/v8_list_bridge.h"
17
18 #include "frameworks/bridge/common/dom/dom_list.h"
19
20 namespace OHOS::Ace::Framework {
21
JsGetCurrentOffset(v8::Isolate * isolate,NodeId nodeId)22 v8::Local<v8::Object> V8ListBridge::JsGetCurrentOffset(v8::Isolate* isolate, NodeId nodeId)
23 {
24 if (!isolate) {
25 return v8::Local<v8::Object>();
26 }
27 double offsetX = 0.0;
28 double offsetY = 0.0;
29 auto page = static_cast<RefPtr<JsAcePage>*>(isolate->GetData(V8EngineInstance::RUNNING_PAGE));
30 auto task = [nodeId, page, &offsetX, &offsetY]() {
31 auto domDoc = (*page)->GetDomDocument();
32 if (!domDoc) {
33 return;
34 }
35
36 auto domList = AceType::DynamicCast<DOMList>(domDoc->GetDOMNodeById(nodeId));
37 if (!domList) {
38 return;
39 }
40 auto offset = domList->GetCurrentOffset();
41 offsetX = offset.GetX();
42 offsetY = offset.GetY();
43 };
44
45 auto delegate = static_cast<RefPtr<FrontendDelegate>*>(isolate->GetData(V8EngineInstance::FRONTEND_DELEGATE));
46 (*delegate)->PostSyncTaskToPage(task);
47
48 auto ctx = isolate->GetCurrentContext();
49 v8::Local<v8::Object> offsetContext = v8::Object::New(ctx->GetIsolate());
50 offsetContext
51 ->Set(ctx, v8::String::NewFromUtf8(ctx->GetIsolate(), "x").ToLocalChecked(),
52 v8::Number::New(ctx->GetIsolate(), offsetX))
53 .ToChecked();
54 offsetContext
55 ->Set(ctx, v8::String::NewFromUtf8(ctx->GetIsolate(), "y").ToLocalChecked(),
56 v8::Number::New(ctx->GetIsolate(), offsetY))
57 .ToChecked();
58 return offsetContext;
59 }
60
61 } // namespace OHOS::Ace::Framework
62