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1 // Copyright 2014 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 "ash/shelf/alternate_app_list_button.h" | |
6 | |
7 #include "ash/ash_constants.h" | |
8 #include "ash/ash_switches.h" | |
9 #include "ash/shelf/shelf_button.h" | |
10 #include "ash/shelf/shelf_button_host.h" | |
11 #include "ash/shelf/shelf_item_types.h" | |
12 #include "ash/shelf/shelf_layout_manager.h" | |
13 #include "ash/shelf/shelf_widget.h" | |
14 #include "ash/shell.h" | |
15 #include "grit/ash_resources.h" | |
16 #include "grit/ash_strings.h" | |
17 #include "ui/accessibility/ax_view_state.h" | |
18 #include "ui/base/l10n/l10n_util.h" | |
19 #include "ui/base/resource/resource_bundle.h" | |
20 #include "ui/compositor/layer.h" | |
21 #include "ui/compositor/layer_animation_element.h" | |
22 #include "ui/compositor/layer_animation_sequence.h" | |
23 #include "ui/compositor/scoped_layer_animation_settings.h" | |
24 #include "ui/gfx/canvas.h" | |
25 #include "ui/gfx/image/image_skia_operations.h" | |
26 #include "ui/views/controls/button/image_button.h" | |
27 #include "ui/views/painter.h" | |
28 | |
29 namespace ash { | |
30 // static | |
31 const int AlternateAppListButton::kImageBoundsSize = 7; | |
32 | |
33 | |
34 AlternateAppListButton::AlternateAppListButton(views::ButtonListener* listener, | |
35 ShelfButtonHost* host, | |
36 ShelfWidget* shelf_widget) | |
37 : views::ImageButton(listener), | |
38 host_(host), | |
39 shelf_widget_(shelf_widget) { | |
40 SetAccessibleName(l10n_util::GetStringUTF16(IDS_ASH_SHELF_APP_LIST_TITLE)); | |
41 SetSize(gfx::Size(ShelfLayoutManager::kShelfSize, | |
42 ShelfLayoutManager::kShelfSize)); | |
43 SetFocusPainter(views::Painter::CreateSolidFocusPainter( | |
44 kFocusBorderColor, gfx::Insets(1, 1, 1, 1))); | |
45 } | |
46 | |
47 AlternateAppListButton::~AlternateAppListButton() { | |
48 } | |
49 | |
50 bool AlternateAppListButton::OnMousePressed(const ui::MouseEvent& event) { | |
51 ImageButton::OnMousePressed(event); | |
52 host_->PointerPressedOnButton(this, ShelfButtonHost::MOUSE, event); | |
53 return true; | |
54 } | |
55 | |
56 void AlternateAppListButton::OnMouseReleased(const ui::MouseEvent& event) { | |
57 ImageButton::OnMouseReleased(event); | |
58 host_->PointerReleasedOnButton(this, ShelfButtonHost::MOUSE, false); | |
59 } | |
60 | |
61 void AlternateAppListButton::OnMouseCaptureLost() { | |
62 host_->PointerReleasedOnButton(this, ShelfButtonHost::MOUSE, true); | |
63 ImageButton::OnMouseCaptureLost(); | |
64 } | |
65 | |
66 bool AlternateAppListButton::OnMouseDragged(const ui::MouseEvent& event) { | |
67 ImageButton::OnMouseDragged(event); | |
68 host_->PointerDraggedOnButton(this, ShelfButtonHost::MOUSE, event); | |
69 return true; | |
70 } | |
71 | |
72 void AlternateAppListButton::OnMouseMoved(const ui::MouseEvent& event) { | |
73 ImageButton::OnMouseMoved(event); | |
74 host_->MouseMovedOverButton(this); | |
75 } | |
76 | |
77 void AlternateAppListButton::OnMouseEntered(const ui::MouseEvent& event) { | |
78 ImageButton::OnMouseEntered(event); | |
79 host_->MouseEnteredButton(this); | |
80 } | |
81 | |
82 void AlternateAppListButton::OnMouseExited(const ui::MouseEvent& event) { | |
83 ImageButton::OnMouseExited(event); | |
84 host_->MouseExitedButton(this); | |
85 } | |
86 | |
87 void AlternateAppListButton::OnGestureEvent(ui::GestureEvent* event) { | |
88 switch (event->type()) { | |
89 case ui::ET_GESTURE_SCROLL_BEGIN: | |
90 host_->PointerPressedOnButton(this, ShelfButtonHost::TOUCH, *event); | |
91 event->SetHandled(); | |
92 return; | |
93 case ui::ET_GESTURE_SCROLL_UPDATE: | |
94 host_->PointerDraggedOnButton(this, ShelfButtonHost::TOUCH, *event); | |
95 event->SetHandled(); | |
96 return; | |
97 case ui::ET_GESTURE_SCROLL_END: | |
98 case ui::ET_SCROLL_FLING_START: | |
99 host_->PointerReleasedOnButton(this, ShelfButtonHost::TOUCH, false); | |
100 event->SetHandled(); | |
101 return; | |
102 default: | |
103 ImageButton::OnGestureEvent(event); | |
104 return; | |
105 } | |
106 } | |
107 | |
108 void AlternateAppListButton::OnPaint(gfx::Canvas* canvas) { | |
109 // Call the base class first to paint any background/borders. | |
110 View::OnPaint(canvas); | |
111 | |
112 int background_image_id = 0; | |
113 if (Shell::GetInstance()->GetAppListTargetVisibility()) { | |
114 background_image_id = IDR_AURA_NOTIFICATION_BACKGROUND_PRESSED; | |
115 } else { | |
116 if (shelf_widget_->GetDimsShelf()) | |
117 background_image_id = IDR_AURA_NOTIFICATION_BACKGROUND_ON_BLACK; | |
118 else | |
119 background_image_id = IDR_AURA_NOTIFICATION_BACKGROUND_NORMAL; | |
120 } | |
121 ResourceBundle& rb = ResourceBundle::GetSharedInstance(); | |
122 const gfx::ImageSkia* background_image = | |
123 rb.GetImageNamed(background_image_id).ToImageSkia(); | |
124 const gfx::ImageSkia* forground_image = | |
125 rb.GetImageNamed(IDR_ASH_SHELF_ICON_APPLIST_ALTERNATE).ToImageSkia(); | |
126 | |
127 gfx::Rect contents_bounds = GetContentsBounds(); | |
128 gfx::Rect background_bounds, forground_bounds; | |
129 | |
130 ShelfAlignment alignment = shelf_widget_->GetAlignment(); | |
131 background_bounds.set_size(background_image->size()); | |
132 if (alignment == SHELF_ALIGNMENT_LEFT) { | |
133 background_bounds.set_x(contents_bounds.width() - | |
134 ShelfLayoutManager::kShelfItemInset - background_image->width()); | |
135 background_bounds.set_y(contents_bounds.y() + | |
136 (contents_bounds.height() - background_image->height()) / 2); | |
137 } else if(alignment == SHELF_ALIGNMENT_RIGHT) { | |
138 background_bounds.set_x(ShelfLayoutManager::kShelfItemInset); | |
139 background_bounds.set_y(contents_bounds.y() + | |
140 (contents_bounds.height() - background_image->height()) / 2); | |
141 } else { | |
142 background_bounds.set_y(ShelfLayoutManager::kShelfItemInset); | |
143 background_bounds.set_x(contents_bounds.x() + | |
144 (contents_bounds.width() - background_image->width()) / 2); | |
145 } | |
146 | |
147 forground_bounds.set_size(forground_image->size()); | |
148 forground_bounds.set_x(background_bounds.x() + | |
149 std::max(0, | |
150 (background_bounds.width() - forground_bounds.width()) / 2)); | |
151 forground_bounds.set_y(background_bounds.y() + | |
152 std::max(0, | |
153 (background_bounds.height() - forground_bounds.height()) / 2)); | |
154 | |
155 canvas->DrawImageInt(*background_image, | |
156 background_bounds.x(), | |
157 background_bounds.y()); | |
158 canvas->DrawImageInt(*forground_image, | |
159 forground_bounds.x(), | |
160 forground_bounds.y()); | |
161 | |
162 views::Painter::PaintFocusPainter(this, canvas, focus_painter()); | |
163 } | |
164 | |
165 void AlternateAppListButton::GetAccessibleState( | |
166 ui::AXViewState* state) { | |
167 state->role = ui::AX_ROLE_BUTTON; | |
168 state->name = host_->GetAccessibleName(this); | |
169 } | |
170 | |
171 } // namespace ash | |
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