1 /*
2  * Copyright (c) 2024 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_PATTERNS_CUSTOM_FRAME_NODE_CUSTOM_FRAME_NODE_PATTERN_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_CUSTOM_FRAME_NODE_CUSTOM_FRAME_NODE_PATTERN_H
18 
19 #include <functional>
20 
21 #include "core/components_ng/pattern/custom_frame_node/custom_frame_node_layout_algorithm.h"
22 #include "core/components_ng/pattern/pattern.h"
23 #include "core/components_ng/pattern/render_node/render_node_modifier.h"
24 #include "core/components_ng/pattern/render_node/render_node_paint_method.h"
25 #include "core/components_ng/pattern/stack/stack_layout_algorithm.h"
26 #include "core/components_ng/pattern/stack/stack_layout_property.h"
27 
28 namespace OHOS::Ace::NG {
29 
30 class ACE_EXPORT CustomFrameNodePattern : public Pattern {
31     DECLARE_ACE_TYPE(CustomFrameNodePattern, Pattern);
32 
33 public:
34     CustomFrameNodePattern() = default;
35     ~CustomFrameNodePattern() override = default;
36 
CreateLayoutAlgorithm()37     RefPtr<LayoutAlgorithm> CreateLayoutAlgorithm() override
38     {
39         return MakeRefPtr<CustomFrameNodeLayoutAlgorithm>();
40     }
41 
CreateLayoutProperty()42     RefPtr<LayoutProperty> CreateLayoutProperty() override
43     {
44         auto layoutProperty = MakeRefPtr<StackLayoutProperty>();
45         layoutProperty->UpdateAlignment(Alignment::TOP_LEFT);
46         return layoutProperty;
47     }
48 
IsAtomicNode()49     bool IsAtomicNode() const override
50     {
51         return false;
52     }
53 
GetFocusPattern()54     FocusPattern GetFocusPattern() const override
55     {
56         return { FocusType::SCOPE, true };
57     }
58 
IsNeedInitClickEventRecorder()59     bool IsNeedInitClickEventRecorder() const override
60     {
61         return true;
62     }
63 
CreatePaintProperty()64     RefPtr<PaintProperty> CreatePaintProperty() override
65     {
66         auto renderNodePaintProperty = MakeRefPtr<RenderNodePaintProperty>();
67         renderNodePaintProperty->UpdateRenderNodeFlag(0);
68         return renderNodePaintProperty;
69     }
70 
CreateNodePaintMethod()71     RefPtr<NodePaintMethod> CreateNodePaintMethod() override
72     {
73         auto host = GetHost();
74         CHECK_NULL_RETURN(host, nullptr);
75 
76         if (!renderNodeModifier_) {
77             renderNodeModifier_ = AceType::MakeRefPtr<RenderNodeModifier>(drawCallback_);
78         }
79         auto paintMethod = AceType::MakeRefPtr<RenderNodePaintMethod>(renderNodeModifier_);
80         return paintMethod;
81     }
82 
SetDrawCallback(std::function<void (DrawingContext & context)> && drawCallback)83     void SetDrawCallback(std::function<void(DrawingContext& context)>&& drawCallback)
84     {
85         drawCallback_ = drawCallback;
86         renderNodeModifier_ = AceType::MakeRefPtr<RenderNodeModifier>(drawCallback_);
87     }
88 
Invalidate()89     void Invalidate()
90     {
91         CHECK_NULL_VOID(renderNodeModifier_);
92         renderNodeModifier_->Modify();
93     }
94 
95 private:
96     std::function<void(DrawingContext& context)> drawCallback_;
97     RefPtr<RenderNodeModifier> renderNodeModifier_;
98 };
99 } // namespace OHOS::Ace::NG
100 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_CUSTOM_FRAME_NODE_CUSTOM_FRAME_NODE_PATTERN_H
101