1 /*
2  * Copyright (c) 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 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_FORM_FORM_NODE_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_FORM_FORM_NODE_H
18 
19 #include <optional>
20 
21 #include "core/components_ng/base/frame_node.h"
22 
23 namespace OHOS::Ace::NG {
24 
25 class ACE_EXPORT FormNode : public FrameNode {
26     DECLARE_ACE_TYPE(FormNode, FrameNode);
27 
28 public:
29     FormNode(const std::string& tag, int32_t nodeId, const RefPtr<Pattern>& pattern, bool isRoot = false)
30         : FrameNode(tag, nodeId, pattern, isRoot)
31     {}
32     ~FormNode() override;
33 
34     HitTestResult TouchTest(const PointF& globalPoint, const PointF& parentLocalPoint, const PointF& parentRevertPoint,
35         TouchRestrict& touchRestrict, TouchTestResult& result, int32_t touchId, ResponseLinkResult& responseLinkResult,
36         bool isDispatch = false) override;
37 
38     static RefPtr<FormNode> GetOrCreateFormNode(
39         const std::string& tag, int32_t nodeId, const std::function<RefPtr<Pattern>(void)>& patternCreator);
40 
41     void DispatchPointerEvent(const TouchEvent& touchEvent,
42         SerializedGesture& serializedGesture);
43 
44     void OnDetachFromMainTree(bool, PipelineContext* = nullptr) override;
45 
46     OffsetF GetFormOffset() const;
47 
48     void InitializeFormAccessibility();
49 
50     void OnAccessibilityChildTreeRegister(uint32_t windowId, int32_t treeId);
51 
52     void OnAccessibilityChildTreeDeregister();
53 
54     void OnSetAccessibilityChildTree(int32_t childWindowId, int32_t childTreeId);
55 
56     void OnAccessibilityDumpChildInfo(const std::vector<std::string>& params, std::vector<std::string>& info);
57 
58     void NotifyAccessibilityChildTreeRegister();
59 
GetImageId()60     int32_t GetImageId()
61     {
62         if (!imageId_.has_value()) {
63             imageId_ = ElementRegister::GetInstance()->MakeUniqueId();
64         }
65         return imageId_.value();
66     }
67 
68     void ClearAccessibilityChildTreeRegisterFlag();
69 private:
70     std::optional<int32_t> imageId_;
71     std::shared_ptr<AccessibilityChildTreeCallback> accessibilityChildTreeCallback_;
72 };
73 
74 } // namespace OHOS::Ace::NG
75 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_FORM_FORM_NODE_H
76