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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef ASH_COMMON_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_ | |
| 6 #define ASH_COMMON_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_ | |
| 7 | |
| 8 #include "ash/common/system/tray/actionable_view.h" | |
| 9 #include "ash/common/system/tray/tray_popup_item_style.h" | |
| 10 #include "base/macros.h" | |
| 11 #include "ui/gfx/font.h" | |
| 12 #include "ui/gfx/text_constants.h" | |
| 13 | |
| 14 namespace views { | |
| 15 class ImageView; | |
| 16 class Label; | |
| 17 class BoxLayout; | |
| 18 } | |
| 19 | |
| 20 namespace ash { | |
| 21 class TriView; | |
| 22 class ViewClickListener; | |
| 23 | |
| 24 // A view that changes background color on hover, and triggers a callback in the | |
| 25 // associated ViewClickListener on click. The view can also be forced to | |
| 26 // maintain a fixed height. | |
| 27 class HoverHighlightView : public ActionableView { | |
| 28 public: | |
| 29 enum class AccessibilityState { | |
| 30 // The default accessibility view. | |
| 31 DEFAULT, | |
| 32 // This view is a checked checkbox. | |
| 33 CHECKED_CHECKBOX, | |
| 34 // This view is an unchecked checkbox. | |
| 35 UNCHECKED_CHECKBOX | |
| 36 }; | |
| 37 | |
| 38 explicit HoverHighlightView(ViewClickListener* listener); | |
| 39 ~HoverHighlightView() override; | |
| 40 | |
| 41 // views::View | |
| 42 bool GetTooltipText(const gfx::Point& p, | |
| 43 base::string16* tooltip) const override; | |
| 44 | |
| 45 // Convenience function for adding an icon and a label. This also sets the | |
| 46 // accessible name. Primarily used for scrollable rows in detailed views. | |
| 47 void AddIconAndLabel(const gfx::ImageSkia& image, | |
| 48 const base::string16& text, | |
| 49 bool highlight); | |
| 50 | |
| 51 // Convenience function for adding an icon, a main label, and a sub label. | |
| 52 // This also sets the accessible name besed on the main label. Used for | |
| 53 // scrollable rows in detailed views in material design. | |
| 54 void AddIconAndLabels(const gfx::ImageSkia& image, | |
| 55 const base::string16& text, | |
| 56 const base::string16& sub_text); | |
| 57 | |
| 58 // Convenience function for adding an icon and a label. This also sets the | |
| 59 // accessible name. This method allows the indent and spacing between elements | |
| 60 // to be set by the caller. |icon_size| is the size of the icon. |indent| is | |
| 61 // the distance between the edges of the view and the icons, and | |
| 62 // |space_between_items| is the minimum distance between any two child views. | |
| 63 // All distances are in DP. Primarily used for scrollable rows in detailed | |
| 64 // views. | |
| 65 void AddIconAndLabelCustomSize(const gfx::ImageSkia& image, | |
| 66 const base::string16& text, | |
| 67 bool highlight, | |
| 68 int icon_size, | |
| 69 int indent, | |
| 70 int space_between_items); | |
| 71 | |
| 72 // A convenience function for adding an icon and label for a system menu | |
| 73 // default view row. | |
| 74 void AddIconAndLabelForDefaultView(const gfx::ImageSkia& image, | |
| 75 const base::string16& text, | |
| 76 bool highlight); | |
| 77 | |
| 78 // Convenience function for adding a label with padding on the left for a | |
| 79 // blank icon. This also sets the accessible name. Returns label after | |
| 80 // parenting it. | |
| 81 views::Label* AddLabel(const base::string16& text, | |
| 82 gfx::HorizontalAlignment alignment, | |
| 83 bool highlight); | |
| 84 | |
| 85 // Adds a row containing only a text label, inset on the left by the | |
| 86 // horizontal space that would normally be occupied by an icon. | |
| 87 void AddLabelRowMd(const base::string16& text); | |
| 88 | |
| 89 // Add an optional right icon to an already established view (call one of | |
| 90 // the other Add* functions first). |icon_size| is the size of the icon in DP. | |
| 91 void AddRightIcon(const gfx::ImageSkia& image, int icon_size); | |
| 92 | |
| 93 // Add an optional right view to an already established view (call one of | |
| 94 // the other Add* functions first). | |
| 95 void AddRightView(views::View* view); | |
| 96 | |
| 97 // Hide or show the right view. | |
| 98 void SetRightViewVisible(bool visible); | |
| 99 | |
| 100 // Allows view to expand its height. | |
| 101 // Size of unexapandable view is fixed and equals to kTrayPopupItemHeight. | |
| 102 void SetExpandable(bool expandable); | |
| 103 | |
| 104 // Enables or disable highlighting on the label, where a highlighted label | |
| 105 // just uses a bold font. | |
| 106 void SetHighlight(bool hightlight); | |
| 107 | |
| 108 // Set a custom height for the view. A value of 0 means that no custom height | |
| 109 // is set. | |
| 110 void set_custom_height(int custom_height) { custom_height_ = custom_height; } | |
| 111 | |
| 112 // Changes the view's current accessibility state. This will fire an | |
| 113 // accessibility event if needed. | |
| 114 void SetAccessiblityState(AccessibilityState accessibility_state); | |
| 115 | |
| 116 void set_highlight_color(SkColor color) { highlight_color_ = color; } | |
| 117 void set_default_color(SkColor color) { default_color_ = color; } | |
| 118 void set_text_highlight_color(SkColor c) { text_highlight_color_ = c; } | |
| 119 void set_text_default_color(SkColor color) { text_default_color_ = color; } | |
| 120 | |
| 121 views::Label* text_label() { return text_label_; } | |
| 122 views::Label* sub_text_label() { return sub_text_label_; } | |
| 123 | |
| 124 bool hover() const { return hover_; } | |
| 125 | |
| 126 void set_tooltip(const base::string16& tooltip) { tooltip_ = tooltip; } | |
| 127 | |
| 128 protected: | |
| 129 // Overridden from views::View. | |
| 130 void GetAccessibleNodeData(ui::AXNodeData* node_data) override; | |
| 131 | |
| 132 // Sets the highlighted color on a text label if |hover| is set. | |
| 133 void SetHoverHighlight(bool hover); | |
| 134 | |
| 135 TriView* tri_view() { return tri_view_; } | |
| 136 | |
| 137 private: | |
| 138 // Actually adds the icon and label but does not set the layout manager. | |
| 139 // Not used in material design. | |
| 140 void DoAddIconAndLabel(const gfx::ImageSkia& image, | |
| 141 int icon_size, | |
| 142 const base::string16& text, | |
| 143 bool highlight); | |
| 144 | |
| 145 // Adds the image and label to the row with the label being styled using | |
| 146 // |font_style|. Only used in material design. | |
| 147 void DoAddIconAndLabelMd(const gfx::ImageSkia& image, | |
| 148 const base::string16& text, | |
| 149 TrayPopupItemStyle::FontStyle font_style); | |
| 150 | |
| 151 // Adds the image, main label and sub label to the row with the main label | |
| 152 // being styled using |font_style| and the sub label being styled using | |
| 153 // FontStyle::CAPTION and ColorStyle::INACTIVE. Only used in material design. | |
| 154 void DoAddIconAndLabelsMd(const gfx::ImageSkia& image, | |
| 155 const base::string16& text, | |
| 156 TrayPopupItemStyle::FontStyle font_style, | |
| 157 const base::string16& sub_text); | |
| 158 | |
| 159 // Overridden from ActionableView: | |
| 160 bool PerformAction(const ui::Event& event) override; | |
| 161 | |
| 162 // Overridden from views::View. | |
| 163 gfx::Size GetPreferredSize() const override; | |
| 164 int GetHeightForWidth(int width) const override; | |
| 165 void OnMouseEntered(const ui::MouseEvent& event) override; | |
| 166 void OnMouseExited(const ui::MouseEvent& event) override; | |
| 167 void OnGestureEvent(ui::GestureEvent* event) override; | |
| 168 void OnBoundsChanged(const gfx::Rect& previous_bounds) override; | |
| 169 void OnEnabledChanged() override; | |
| 170 void OnPaintBackground(gfx::Canvas* canvas) override; | |
| 171 void OnFocus() override; | |
| 172 | |
| 173 ViewClickListener* listener_ = nullptr; | |
| 174 views::Label* text_label_ = nullptr; | |
| 175 views::Label* sub_text_label_ = nullptr; | |
| 176 views::BoxLayout* box_layout_ = nullptr; // Not used in material design. | |
| 177 views::ImageView* left_icon_ = nullptr; | |
| 178 views::View* right_view_ = nullptr; | |
| 179 TriView* tri_view_ = nullptr; // Only used in material design. | |
| 180 SkColor highlight_color_ = 0; // Not used in material design. | |
| 181 SkColor default_color_ = 0; | |
| 182 SkColor text_highlight_color_ = 0; // Not used in material design. | |
| 183 SkColor text_default_color_ = 0; // Not used in material design. | |
| 184 bool hover_ = false; // Not used in material design. | |
| 185 bool expandable_ = false; | |
| 186 int custom_height_ = 0; // Not used in material design. | |
| 187 AccessibilityState accessibility_state_ = AccessibilityState::DEFAULT; | |
| 188 base::string16 tooltip_; | |
| 189 | |
| 190 DISALLOW_COPY_AND_ASSIGN(HoverHighlightView); | |
| 191 }; | |
| 192 | |
| 193 } // namespace ash | |
| 194 | |
| 195 #endif // ASH_COMMON_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_ | |
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Chromium Code Reviews
Issue 2734653002:
chromeos: Move files in //ash/common to //ash (Closed)
