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| 1 // Copyright (c) 2012 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 #include "ui/views/controls/button/checkbox.h" | |
| 6 | |
| 7 #include "ui/accessibility/ax_view_state.h" | |
| 8 #include "ui/base/resource/resource_bundle.h" | |
| 9 #include "ui/resources/grit/ui_resources.h" | |
| 10 #include "ui/views/controls/button/label_button_border.h" | |
| 11 #include "ui/views/painter.h" | |
| 12 | |
| 13 namespace views { | |
| 14 | |
| 15 // static | |
| 16 const char Checkbox::kViewClassName[] = "Checkbox"; | |
| 17 | |
| 18 Checkbox::Checkbox(const base::string16& label) | |
| 19 : LabelButton(NULL, label), | |
| 20 checked_(false) { | |
| 21 SetHorizontalAlignment(gfx::ALIGN_LEFT); | |
| 22 scoped_ptr<LabelButtonBorder> button_border(new LabelButtonBorder(style())); | |
| 23 button_border->SetPainter(false, STATE_HOVERED, NULL); | |
| 24 button_border->SetPainter(false, STATE_PRESSED, NULL); | |
| 25 // Inset the trailing side by a couple pixels for the focus border. | |
| 26 button_border->set_insets(gfx::Insets(0, 0, 0, 2)); | |
| 27 SetBorder(button_border.Pass()); | |
| 28 SetFocusable(true); | |
| 29 | |
| 30 ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); | |
| 31 | |
| 32 // Unchecked/Unfocused images. | |
| 33 SetCustomImage(false, false, STATE_NORMAL, | |
| 34 *rb.GetImageSkiaNamed(IDR_CHECKBOX)); | |
| 35 SetCustomImage(false, false, STATE_HOVERED, | |
| 36 *rb.GetImageSkiaNamed(IDR_CHECKBOX_HOVER)); | |
| 37 SetCustomImage(false, false, STATE_PRESSED, | |
| 38 *rb.GetImageSkiaNamed(IDR_CHECKBOX_PRESSED)); | |
| 39 SetCustomImage(false, false, STATE_DISABLED, | |
| 40 *rb.GetImageSkiaNamed(IDR_CHECKBOX_DISABLED)); | |
| 41 | |
| 42 // Checked/Unfocused images. | |
| 43 SetCustomImage(true, false, STATE_NORMAL, | |
| 44 *rb.GetImageSkiaNamed(IDR_CHECKBOX_CHECKED)); | |
| 45 SetCustomImage(true, false, STATE_HOVERED, | |
| 46 *rb.GetImageSkiaNamed(IDR_CHECKBOX_CHECKED_HOVER)); | |
| 47 SetCustomImage(true, false, STATE_PRESSED, | |
| 48 *rb.GetImageSkiaNamed(IDR_CHECKBOX_CHECKED_PRESSED)); | |
| 49 SetCustomImage(true, false, STATE_DISABLED, | |
| 50 *rb.GetImageSkiaNamed(IDR_CHECKBOX_CHECKED_DISABLED)); | |
| 51 | |
| 52 // Unchecked/Focused images. | |
| 53 SetCustomImage(false, true, STATE_NORMAL, | |
| 54 *rb.GetImageSkiaNamed(IDR_CHECKBOX_FOCUSED)); | |
| 55 SetCustomImage(false, true, STATE_HOVERED, | |
| 56 *rb.GetImageSkiaNamed(IDR_CHECKBOX_FOCUSED_HOVER)); | |
| 57 SetCustomImage(false, true, STATE_PRESSED, | |
| 58 *rb.GetImageSkiaNamed(IDR_CHECKBOX_FOCUSED_PRESSED)); | |
| 59 | |
| 60 // Checked/Focused images. | |
| 61 SetCustomImage(true, true, STATE_NORMAL, | |
| 62 *rb.GetImageSkiaNamed(IDR_CHECKBOX_FOCUSED_CHECKED)); | |
| 63 SetCustomImage(true, true, STATE_HOVERED, | |
| 64 *rb.GetImageSkiaNamed(IDR_CHECKBOX_FOCUSED_CHECKED_HOVER)); | |
| 65 SetCustomImage(true, true, STATE_PRESSED, | |
| 66 *rb.GetImageSkiaNamed(IDR_CHECKBOX_FOCUSED_CHECKED_PRESSED)); | |
| 67 | |
| 68 // Limit the checkbox height to match the legacy appearance. | |
| 69 const gfx::Size preferred_size(LabelButton::GetPreferredSize()); | |
| 70 SetMinSize(gfx::Size(0, preferred_size.height() + 4)); | |
| 71 } | |
| 72 | |
| 73 Checkbox::~Checkbox() { | |
| 74 } | |
| 75 | |
| 76 void Checkbox::SetChecked(bool checked) { | |
| 77 checked_ = checked; | |
| 78 UpdateImage(); | |
| 79 } | |
| 80 | |
| 81 void Checkbox::Layout() { | |
| 82 LabelButton::Layout(); | |
| 83 | |
| 84 // Construct a focus painter that only surrounds the label area. | |
| 85 gfx::Rect rect = label()->GetMirroredBounds(); | |
| 86 rect.Inset(-2, 3); | |
| 87 SetFocusPainter(Painter::CreateDashedFocusPainterWithInsets( | |
| 88 gfx::Insets(rect.y(), rect.x(), | |
| 89 height() - rect.bottom(), | |
| 90 width() - rect.right()))); | |
| 91 } | |
| 92 | |
| 93 const char* Checkbox::GetClassName() const { | |
| 94 return kViewClassName; | |
| 95 } | |
| 96 | |
| 97 void Checkbox::GetAccessibleState(ui::AXViewState* state) { | |
| 98 LabelButton::GetAccessibleState(state); | |
| 99 state->role = ui::AX_ROLE_CHECK_BOX; | |
| 100 if (checked()) | |
| 101 state->AddStateFlag(ui::AX_STATE_CHECKED); | |
| 102 } | |
| 103 | |
| 104 void Checkbox::OnFocus() { | |
| 105 LabelButton::OnFocus(); | |
| 106 UpdateImage(); | |
| 107 } | |
| 108 | |
| 109 void Checkbox::OnBlur() { | |
| 110 LabelButton::OnBlur(); | |
| 111 UpdateImage(); | |
| 112 } | |
| 113 | |
| 114 const gfx::ImageSkia& Checkbox::GetImage(ButtonState for_state) { | |
| 115 const size_t checked_index = checked_ ? 1 : 0; | |
| 116 const size_t focused_index = HasFocus() ? 1 : 0; | |
| 117 if (for_state != STATE_NORMAL && | |
| 118 images_[checked_index][focused_index][for_state].isNull()) | |
| 119 return images_[checked_index][focused_index][STATE_NORMAL]; | |
| 120 return images_[checked_index][focused_index][for_state]; | |
| 121 } | |
| 122 | |
| 123 void Checkbox::SetCustomImage(bool checked, | |
| 124 bool focused, | |
| 125 ButtonState for_state, | |
| 126 const gfx::ImageSkia& image) { | |
| 127 const size_t checked_index = checked ? 1 : 0; | |
| 128 const size_t focused_index = focused ? 1 : 0; | |
| 129 images_[checked_index][focused_index][for_state] = image; | |
| 130 UpdateImage(); | |
| 131 } | |
| 132 | |
| 133 void Checkbox::NotifyClick(const ui::Event& event) { | |
| 134 SetChecked(!checked()); | |
| 135 LabelButton::NotifyClick(event); | |
| 136 } | |
| 137 | |
| 138 ui::NativeTheme::Part Checkbox::GetThemePart() const { | |
| 139 return ui::NativeTheme::kCheckbox; | |
| 140 } | |
| 141 | |
| 142 void Checkbox::GetExtraParams(ui::NativeTheme::ExtraParams* params) const { | |
| 143 LabelButton::GetExtraParams(params); | |
| 144 params->button.checked = checked_; | |
| 145 } | |
| 146 | |
| 147 } // namespace views | |
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