1 /* 2 * Copyright (c) 2021 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_TEXT_TEXT_THEME_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_TEXT_TEXT_THEME_H 18 19 #include "core/components/common/properties/text_style.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 { 25 26 /** 27 * TextTheme defines color and styles of ThemeComponent. TextTheme should be built 28 * using TextTheme::Builder. 29 */ 30 class TextTheme : public virtual Theme { 31 DECLARE_ACE_TYPE(TextTheme, Theme); 32 33 public: 34 class Builder { 35 public: 36 Builder() = default; 37 ~Builder() = default; 38 Build(const RefPtr<ThemeConstants> & themeConstants)39 RefPtr<TextTheme> Build(const RefPtr<ThemeConstants>& themeConstants) const 40 { 41 RefPtr<TextTheme> theme = AceType::Claim(new TextTheme()); 42 if (!themeConstants) { 43 return theme; 44 } 45 // Styles below do not need to get from ThemeConstants, directly set at here. 46 theme->textStyle_.SetFontStyle(FontStyle::NORMAL); 47 theme->textStyle_.SetFontWeight(FontWeight::NORMAL); 48 theme->textStyle_.SetTextDecoration(TextDecoration::NONE); 49 ParsePattern(themeConstants, theme); 50 return theme; 51 } 52 private: ParsePattern(const RefPtr<ThemeConstants> & themeConstants,const RefPtr<TextTheme> & theme)53 void ParsePattern(const RefPtr<ThemeConstants>& themeConstants, const RefPtr<TextTheme>& theme) const 54 { 55 RefPtr<ThemeStyle> pattern = themeConstants->GetPatternByName(THEME_PATTERN_TEXT); 56 if (!pattern) { 57 LOGW("find pattern of text fail"); 58 return; 59 } 60 theme->textStyle_.SetTextColor(pattern->GetAttr<Color>(PATTERN_TEXT_COLOR, Color::BLACK) 61 .BlendOpacity(pattern->GetAttr<double>(PATTERN_TEXT_COLOR_ALPHA, 0.9))); 62 theme->textStyle_.SetFontSize(pattern->GetAttr<Dimension>("text_font_size", 0.0_vp)); 63 theme->selectedColor_ = pattern->GetAttr<Color>(PATTERN_BG_COLOR_SELECTED, Color(0x33007dff)); 64 auto draggable = pattern->GetAttr<std::string>("draggable", "0"); 65 theme->draggable_ = StringUtils::StringToInt(draggable); 66 constexpr double childMinSize = 20.0; 67 theme->linearSplitChildMinSize_ = pattern->GetAttr<double>(LINEAR_SPLIT_CHILD_MIN_SIZE, childMinSize); 68 } 69 }; 70 71 ~TextTheme() override = default; 72 GetTextStyle()73 TextStyle GetTextStyle() const 74 { 75 return textStyle_; 76 } 77 GetSelectedColor()78 const Color& GetSelectedColor() const 79 { 80 return selectedColor_; 81 } 82 GetDraggable()83 bool GetDraggable() const 84 { 85 return draggable_; 86 } 87 GetLinearSplitChildMinSize()88 double GetLinearSplitChildMinSize() const 89 { 90 return linearSplitChildMinSize_; 91 } 92 93 protected: 94 TextTheme() = default; 95 96 private: 97 TextStyle textStyle_; 98 Color selectedColor_; 99 bool draggable_ = false; 100 double linearSplitChildMinSize_ = 20.0; 101 }; 102 103 } // namespace OHOS::Ace 104 105 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_TEXT_TEXT_THEME_H 106