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/pattern/custom_paint/canvas_model_ng.h"
23
24 namespace OHOS::Ace {
25 std::unique_ptr<CanvasModel> CanvasModel::instance_ = nullptr;
26 std::mutex CanvasModel::mutex_;
GetInstance()27 CanvasModel* CanvasModel::GetInstance()
28 {
29 if (!instance_) {
30 std::lock_guard<std::mutex> lock(mutex_);
31 if (!instance_) {
32 #ifdef NG_BUILD
33 instance_.reset(new NG::CanvasModelNG());
34 #else
35 if (Container::IsCurrentUseNewPipeline()) {
36 instance_.reset(new NG::CanvasModelNG());
37 } else {
38 instance_.reset(new Framework::CanvasModelImpl());
39 }
40 #endif
41 }
42 }
43 return instance_.get();
44 }
45 } // namespace OHOS::Ace
46 namespace OHOS::Ace::Framework {
47
Create(const JSCallbackInfo & info)48 void JSCanvas::Create(const JSCallbackInfo& info)
49 {
50 auto pattern = CanvasModel::GetInstance()->Create();
51 CHECK_NULL_VOID(pattern);
52 auto canvasPattern = CanvasModel::GetInstance()->GetTaskPool(pattern);
53 if (info.Length() > 0 && info[0]->IsObject()) {
54 JSCanvasRenderer* jsContext = JSRef<JSObject>::Cast(info[0])->Unwrap<JSCanvasRenderer>();
55 if (jsContext) {
56 jsContext->SetCanvasPattern(canvasPattern);
57 LOGI("SetCanvasPattern successfully");
58 jsContext->SetAntiAlias();
59 }
60 }
61 CanvasModel::GetInstance()->PushCanvasPattern(pattern);
62 }
63
JSBind(BindingTarget globalObj)64 void JSCanvas::JSBind(BindingTarget globalObj)
65 {
66 JSClass<JSCanvas>::Declare("Canvas");
67 MethodOptions opt = MethodOptions::NONE;
68 JSClass<JSCanvas>::StaticMethod("create", &JSCanvas::Create, opt);
69 JSClass<JSCanvas>::StaticMethod("onReady", &JSCanvas::OnReady);
70 JSClass<JSCanvas>::StaticMethod("onAppear", &JSInteractableView::JsOnAppear);
71 JSClass<JSCanvas>::StaticMethod("onDisAppear", &JSInteractableView::JsOnDisAppear);
72 JSClass<JSCanvas>::StaticMethod("onTouch", &JSInteractableView::JsOnTouch);
73 JSClass<JSCanvas>::StaticMethod("onHover", &JSInteractableView::JsOnHover);
74 JSClass<JSCanvas>::StaticMethod("onKeyEvent", &JSInteractableView::JsOnKey);
75 JSClass<JSCanvas>::StaticMethod("onDeleteEvent", &JSInteractableView::JsOnDelete);
76 JSClass<JSCanvas>::StaticMethod("onClick", &JSInteractableView::JsOnClick);
77 JSClass<JSCanvas>::InheritAndBind<JSViewAbstract>(globalObj);
78 }
79
OnReady(const JSCallbackInfo & info)80 void JSCanvas::OnReady(const JSCallbackInfo& info)
81 {
82 if (info.Length() < 1 || !info[0]->IsFunction()) {
83 LOGE("The argument is wrong, it is supposed to have at least 1 arguments"
84 "and the first argument must be a function.");
85 return;
86 }
87
88 RefPtr<JsFunction> jsFunc = AceType::MakeRefPtr<JsFunction>(JSRef<JSObject>(), JSRef<JSFunc>::Cast(info[0]));
89 std::function<void(uint32_t)> readyEvent;
90 if (Container::IsCurrentUsePartialUpdate()) {
91 readyEvent = [execCtx = info.GetExecutionContext(), func = std::move(jsFunc)](
92 uint32_t accountableCanvasElement) {
93 JAVASCRIPT_EXECUTION_SCOPE_WITH_CHECK(execCtx);
94 ACE_SCORING_EVENT("Canvas.onReady");
95 LOGD("Canvas elmtId %{public}d executing JS onReady function - start", accountableCanvasElement);
96 ViewStackModel::GetInstance()->StartGetAccessRecordingFor(accountableCanvasElement);
97 func->Execute();
98 ViewStackModel::GetInstance()->StopGetAccessRecording();
99 LOGD("Canvas elmtId %{public}d executing JS onReady function - end", accountableCanvasElement);
100 };
101 } else {
102 readyEvent = [execCtx = info.GetExecutionContext(), func = std::move(jsFunc)](
103 uint32_t accountableCanvasElement) {
104 JAVASCRIPT_EXECUTION_SCOPE_WITH_CHECK(execCtx);
105 ACE_SCORING_EVENT("Canvas.onReady");
106 func->Execute();
107 };
108 }
109 CanvasModel::GetInstance()->SetOnReady(std::move(readyEvent));
110 }
111 } // namespace OHOS::Ace::Framework
112