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1 /*
2  * Copyright (c) 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_RICH_EDITOR_RICH_EDITOR_THEME_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_RICH_EDITOR_RICH_EDITOR_THEME_H
18 
19 #include "base/geometry/dimension.h"
20 #include "core/components/theme/theme.h"
21 #include "core/components/theme/theme_constants.h"
22 #include "core/components/theme/theme_constants_defines.h"
23 
24 namespace OHOS::Ace::NG {
25 /**
26  * TextTheme defines color and styles of ThemeComponent. RichEditorTheme should be built
27  * using RichEditorTheme::Builder.
28  */
29 class RichEditorTheme : public virtual Theme {
30     DECLARE_ACE_TYPE(RichEditorTheme, Theme);
31 
32 public:
33     class Builder {
34     public:
35         Builder() = default;
36         ~Builder() = default;
37 
Build(const RefPtr<ThemeConstants> & themeConstants)38         RefPtr<RichEditorTheme> Build(const RefPtr<ThemeConstants>& themeConstants) const
39         {
40             RefPtr<RichEditorTheme> theme = AceType::Claim(new RichEditorTheme());
41             if (!themeConstants) {
42                 return theme;
43             }
44             theme->padding_ = Edge(themeConstants->GetDimension(THEME_TEXTFIELD_PADDING_HORIZONTAL),
45                 themeConstants->GetDimension(THEME_TEXTFIELD_PADDING_VERTICAL),
46                 themeConstants->GetDimension(THEME_TEXTFIELD_PADDING_HORIZONTAL),
47                 themeConstants->GetDimension(THEME_TEXTFIELD_PADDING_VERTICAL));
48             ParsePattern(themeConstants, theme);
49             return theme;
50         }
51 
52     private:
ParsePattern(const RefPtr<ThemeConstants> & themeConstants,const RefPtr<RichEditorTheme> & theme)53         void ParsePattern(const RefPtr<ThemeConstants>& themeConstants, const RefPtr<RichEditorTheme>& theme) const
54         {
55             if (!theme) {
56                 return;
57             }
58             RefPtr<ThemeStyle> pattern = themeConstants->GetPatternByName(THEME_PATTERN_RICH_EDITOR);
59             if (!pattern) {
60                 return;
61             }
62             auto draggable = pattern->GetAttr<std::string>("draggable", "0");
63             theme->draggable_ = StringUtils::StringToInt(draggable);
64             theme->defaultCaretHeight_ = pattern->GetAttr<Dimension>("default_caret_height", 18.5_vp);
65             theme->disabledAlpha_ = static_cast<float>(pattern->GetAttr<double>("text_color_disabled_alpha", 0.0));
66         }
67     };
68 
69     ~RichEditorTheme() override = default;
70 
GetDraggable()71     bool GetDraggable() const
72     {
73         return draggable_;
74     }
75 
GetDefaultCaretHeight()76     const Dimension& GetDefaultCaretHeight() const
77     {
78         return defaultCaretHeight_;
79     }
80 
GetDisabledAlpha()81     float GetDisabledAlpha() const
82     {
83         return disabledAlpha_;
84     }
85 
GetScrollbarMinHeight()86     const Dimension& GetScrollbarMinHeight()
87     {
88         return scrollbarMinHeight_;
89     }
90 
GetPadding()91     const Edge& GetPadding() const
92     {
93         return padding_;
94     }
95 
GetInsertCursorOffset()96     const Dimension& GetInsertCursorOffset() const
97     {
98         return insertCursorOffset_;
99     }
100 
101 protected:
102     RichEditorTheme() = default;
103 
104 private:
105     float disabledAlpha_ = 0.0f;
106     bool draggable_ = false;
107     Dimension defaultCaretHeight_ = 18.5_vp;
108     Dimension scrollbarMinHeight_ = 4.0_vp;
109     Edge padding_;
110 
111     // UX::insert cursor offset up by 8vp
112     Dimension insertCursorOffset_ = 8.0_vp;
113 };
114 } // namespace OHOS::Ace::NG
115 
116 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_RICH_EDITOR_RICH_EDITOR_THEME_H
117