1 /*
2  * Copyright (c) 2022-2023 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_RICH_EDITOR_DRAG_RICH_EDITOR_DRAG_PATTERN_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_RICH_EDITOR_DRAG_RICH_EDITOR_DRAG_PATTERN_H
18 
19 #include "base/memory/referenced.h"
20 #include "core/components_ng/pattern/rich_editor/paragraph_manager.h"
21 #include "core/components_ng/pattern/rich_editor/rich_editor_pattern.h"
22 #include "core/components_ng/pattern/rich_editor/rich_editor_theme.h"
23 #include "core/components_ng/pattern/rich_editor_drag/rich_editor_drag_info.h"
24 #include "core/components_ng/pattern/rich_editor_drag/rich_editor_drag_overlay_modifier.h"
25 #include "core/components_ng/pattern/rich_editor_drag/rich_editor_drag_paint_method.h"
26 #include "core/components_ng/pattern/text/text_pattern.h"
27 #include "core/components_ng/pattern/text_drag/text_drag_overlay_modifier.h"
28 #include "core/components_ng/pattern/text_drag/text_drag_pattern.h"
29 #include "core/components_ng/render/drawing_forward.h"
30 
31 namespace OHOS::Ace::NG {
32 class RichEditorDragPattern : public TextDragPattern {
33     DECLARE_ACE_TYPE(RichEditorDragPattern, TextDragPattern);
34 
35 public:
RichEditorDragPattern(const RefPtr<TextPattern> & hostPattern,const std::shared_ptr<RichEditorDragInfo> info)36     explicit RichEditorDragPattern(const RefPtr<TextPattern>& hostPattern,
37         const std::shared_ptr<RichEditorDragInfo> info) : info_(info), hostPattern_(hostPattern) {};
38     ~RichEditorDragPattern() override = default;
39 
40     static RefPtr<FrameNode> CreateDragNode(
41         const RefPtr<FrameNode>& hostNode, std::list<RefPtr<FrameNode>>& imageChildren);
42 
43     static RefPtr<FrameNode> CreateDragNode(
44         const RefPtr<FrameNode>& hostNode, std::list<RefPtr<FrameNode>>& imageChildren, const RichEditorDragInfo& info);
45 
CreateNodePaintMethod()46     RefPtr<NodePaintMethod> CreateNodePaintMethod() override
47     {
48         if (!overlayModifier_) {
49             overlayModifier_ = AceType::MakeRefPtr<RichEditorDragOverlayModifier>(WeakClaim(this), hostPattern_);
50         }
51 
52         if (!contentModifier_) {
53             contentModifier_ = AceType::MakeRefPtr<RichEditorDragContentModifier>();
54         }
55         auto pattern = hostPattern_.Upgrade();
56         if (pattern) {
57             contentModifier_->SetIsCustomFont(pattern->GetIsCustomFont());
58         }
59 
60         return MakeRefPtr<RichEditorDragPaintMethod>(WeakClaim(this), overlayModifier_, contentModifier_, *info_);
61     }
62 
Initialize(const TextDragData & data)63     void Initialize(const TextDragData& data)
64     {
65         textDragData_ = data;
66     }
67 
GetDragCornerRadius()68     Dimension GetDragCornerRadius() override
69     {
70         auto pipeline = PipelineContext::GetCurrentContext();
71         CHECK_NULL_RETURN(pipeline, TEXT_DRAG_RADIUS);
72         auto richEditorTheme = pipeline->GetTheme<RichEditorTheme>();
73         CHECK_NULL_RETURN(richEditorTheme, TEXT_DRAG_RADIUS);
74         return richEditorTheme->GetDragCornerRadius();
75     }
76 
77 protected:
78     std::shared_ptr<RichEditorDragInfo> info_;
79 
80 private:
81     static RefPtr<FrameNode> CreateDragNode(const RefPtr<FrameNode>& hostNode, const RichEditorDragInfo& info);
82 
83     WeakPtr<TextPattern> hostPattern_;
84     RefPtr<RichEditorDragContentModifier> contentModifier_;
85 
86     ACE_DISALLOW_COPY_AND_MOVE(RichEditorDragPattern);
87 };
88 } // namespace OHOS::Ace::NG
89 
90 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_RICH_EDITOR_DRAG_RICH_EDITOR_DRAG_PATTERN_H
91