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/jsview/js_canvas.h"
17
18 #include "base/log/ace_scoring_log.h"
19 #include "bridge/declarative_frontend/jsview/models/canvas_model_impl.h"
20 #include "core/common/container.h"
21 #include "core/components_ng/base/view_stack_model.h"
22 #include "core/components_ng/base/view_stack_processor.h"
23 #include "core/components_ng/pattern/custom_paint/canvas_model_ng.h"
24
25 namespace OHOS::Ace {
26 std::unique_ptr<CanvasModel> CanvasModel::instance_ = nullptr;
27 std::mutex CanvasModel::mutex_;
GetInstance()28 CanvasModel* CanvasModel::GetInstance()
29 {
30 if (!instance_) {
31 std::lock_guard<std::mutex> lock(mutex_);
32 if (!instance_) {
33 #ifdef NG_BUILD
34 instance_.reset(new NG::CanvasModelNG());
35 #else
36 if (Container::IsCurrentUseNewPipeline()) {
37 instance_.reset(new NG::CanvasModelNG());
38 } else {
39 instance_.reset(new Framework::CanvasModelImpl());
40 }
41 #endif
42 }
43 }
44 return instance_.get();
45 }
46 } // namespace OHOS::Ace
47 namespace OHOS::Ace::Framework {
48
Create(const JSCallbackInfo & info)49 void JSCanvas::Create(const JSCallbackInfo& info)
50 {
51 auto pattern = CanvasModel::GetInstance()->Create();
52 CHECK_NULL_VOID(pattern);
53 auto canvasPattern = CanvasModel::GetInstance()->GetTaskPool(pattern);
54 if (info.Length() > 0 && info[0]->IsObject()) {
55 JSCanvasRenderer* jsContext = JSRef<JSObject>::Cast(info[0])->Unwrap<JSCanvasRenderer>();
56 if (jsContext) {
57 jsContext->SetInstanceId(Container::CurrentId());
58 jsContext->SetCanvasPattern(canvasPattern);
59 jsContext->SetAntiAlias();
60 }
61 }
62 CanvasModel::GetInstance()->PushCanvasPattern(pattern);
63 }
64
JSBind(BindingTarget globalObj)65 void JSCanvas::JSBind(BindingTarget globalObj)
66 {
67 JSClass<JSCanvas>::Declare("Canvas");
68 MethodOptions opt = MethodOptions::NONE;
69 JSClass<JSCanvas>::StaticMethod("create", &JSCanvas::Create, opt);
70 JSClass<JSCanvas>::StaticMethod("onReady", &JSCanvas::OnReady);
71 JSClass<JSCanvas>::StaticMethod("onAppear", &JSInteractableView::JsOnAppear);
72 JSClass<JSCanvas>::StaticMethod("onDisAppear", &JSInteractableView::JsOnDisAppear);
73 JSClass<JSCanvas>::StaticMethod("onTouch", &JSInteractableView::JsOnTouch);
74 JSClass<JSCanvas>::StaticMethod("onHover", &JSInteractableView::JsOnHover);
75 JSClass<JSCanvas>::StaticMethod("onKeyEvent", &JSInteractableView::JsOnKey);
76 JSClass<JSCanvas>::StaticMethod("onDeleteEvent", &JSInteractableView::JsOnDelete);
77 JSClass<JSCanvas>::StaticMethod("onClick", &JSInteractableView::JsOnClick);
78 JSClass<JSCanvas>::InheritAndBind<JSViewAbstract>(globalObj);
79 }
80
OnReady(const JSCallbackInfo & info)81 void JSCanvas::OnReady(const JSCallbackInfo& info)
82 {
83 TAG_LOGD(AceLogTag::ACE_CANVAS, "Canvas onReady begins");
84 if (info.Length() < 1 || !info[0]->IsFunction()) {
85 return;
86 }
87
88 RefPtr<JsFunction> jsFunc = AceType::MakeRefPtr<JsFunction>(JSRef<JSObject>(), JSRef<JSFunc>::Cast(info[0]));
89 if (Container::IsCurrentUsePartialUpdate()) {
90 WeakPtr<NG::FrameNode> targetNode = NG::ViewStackProcessor::GetInstance()->GetMainFrameNode();
91 auto readyEvent = [execCtx = info.GetExecutionContext(), func = std::move(jsFunc), node = targetNode]() {
92 JAVASCRIPT_EXECUTION_SCOPE_WITH_CHECK(execCtx);
93 ACE_SCORING_EVENT("Canvas.onReady");
94 PipelineContext::SetCallBackNode(node);
95 func->Execute();
96 };
97 CanvasModel::GetInstance()->SetOnReady(std::move(readyEvent));
98 } else {
99 WeakPtr<NG::FrameNode> targetNode = NG::ViewStackProcessor::GetInstance()->GetMainFrameNode();
100 auto readyEvent = [execCtx = info.GetExecutionContext(), func = std::move(jsFunc), node = targetNode](
101 uint32_t accountableCanvasElement) {
102 JAVASCRIPT_EXECUTION_SCOPE_WITH_CHECK(execCtx);
103 ACE_SCORING_EVENT("Canvas.onReady");
104 PipelineContext::SetCallBackNode(node);
105 func->Execute();
106 };
107 CanvasModel::GetInstance()->SetOnReady(std::move(readyEvent));
108 }
109 }
110 } // namespace OHOS::Ace::Framework
111