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_LIST_LIST_THEME_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_LIST_LIST_THEME_H 18 19 #include "core/components/theme/theme.h" 20 #include "core/components/theme/theme_constants.h" 21 #include "core/components/theme/theme_constants_defines.h" 22 23 namespace OHOS::Ace { 24 25 /** 26 * ListTheme defines styles of list. ListTheme should be built 27 * using ListTheme::Builder. 28 */ 29 class ListTheme : public virtual Theme { 30 DECLARE_ACE_TYPE(ListTheme, Theme); 31 32 public: 33 class Builder { 34 public: 35 Builder() = default; 36 ~Builder() = default; 37 Build(const RefPtr<ThemeConstants> & themeConstants)38 RefPtr<ListTheme> Build(const RefPtr<ThemeConstants>& themeConstants) const 39 { 40 RefPtr<ListTheme> theme = AceType::MakeRefPtr<ListTheme>(); 41 if (!themeConstants) { 42 return theme; 43 } 44 ParsePattern(themeConstants, theme); 45 return theme; 46 } 47 ParsePattern(const RefPtr<ThemeConstants> & themeConstants,const RefPtr<ListTheme> & theme)48 void ParsePattern(const RefPtr<ThemeConstants>& themeConstants, const RefPtr<ListTheme>& theme) const 49 { 50 RefPtr<ThemeStyle> pattern = themeConstants->GetPatternByName(THEME_PATTERN_LIST); 51 if (!pattern) { 52 LOGW("find pattern of list fail"); 53 return; 54 } 55 theme->gradientWidth_ = pattern->GetAttr<Dimension>("gradient_width", 0.0_vp); 56 theme->backgroundColor_ = pattern->GetAttr<Color>("background_color", Color(0x00FFFFFF)); 57 theme->scrollDistance_ = pattern->GetAttr<double>("scroll_distance", 50.0f); 58 theme->dividerColor_ = pattern->GetAttr<Color>("divider_color", Color(0x08000000)); 59 theme->chainMinSpace_ = pattern->GetAttr<Dimension>("chain_min_space", 15.0_vp); 60 theme->chainMaxSpace_ = pattern->GetAttr<Dimension>("chain_max_space", 40.0_vp); 61 theme->chainConductivity_ = pattern->GetAttr<double>("chain_conductivity", 0.7f); 62 theme->chainIntensity_ = pattern->GetAttr<double>("chain_intensity", 0.3f); 63 theme->chainStiffness_ = pattern->GetAttr<double>("chain_stiffness", 228.0f); 64 theme->chainDamping_ = pattern->GetAttr<double>("chain_damping", 30.0f); 65 theme->fadingEdge_ = pattern->GetAttr<std::string>("list_fadeout_enable", "") == "true"; 66 } 67 }; 68 69 ~ListTheme() override = default; 70 GetGradientWidth()71 const Dimension& GetGradientWidth() const 72 { 73 return gradientWidth_; 74 } 75 GetBackgroundColor()76 const Color& GetBackgroundColor() const 77 { 78 return backgroundColor_; 79 } 80 GetDividerColor()81 const Color& GetDividerColor() const 82 { 83 return dividerColor_; 84 } 85 GetScrollDistance()86 double GetScrollDistance() const 87 { 88 return scrollDistance_; 89 } 90 GetChainMinSpace()91 Dimension GetChainMinSpace() const 92 { 93 return chainMinSpace_; 94 } GetChainMaxSpace()95 Dimension GetChainMaxSpace() const 96 { 97 return chainMaxSpace_; 98 } GetChainConductivity()99 double GetChainConductivity() const 100 { 101 return chainConductivity_; 102 } GetChainIntensity()103 double GetChainIntensity() const 104 { 105 return chainIntensity_; 106 } GetChainStiffness()107 double GetChainStiffness() const 108 { 109 return chainStiffness_; 110 } GetChainDamping()111 double GetChainDamping() const 112 { 113 return chainDamping_; 114 } GetFadingEdge()115 bool GetFadingEdge() const 116 { 117 return fadingEdge_; 118 } 119 120 protected: 121 ListTheme() = default; 122 123 private: 124 Dimension gradientWidth_; 125 Color backgroundColor_; 126 Color dividerColor_; 127 double scrollDistance_ = 0.0; 128 Dimension chainMinSpace_; 129 Dimension chainMaxSpace_; 130 double chainConductivity_ = 0.0; 131 double chainIntensity_ = 0.0; 132 double chainStiffness_ = 0.0; 133 double chainDamping_ = 0.0; 134 bool fadingEdge_ = false; 135 }; 136 137 } // namespace OHOS::Ace 138 139 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_LIST_LIST_THEME_H 140