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Side by Side Diff: ash/common/shelf/overflow_button.cc

Issue 2736573002: chromeos: Move files in //ash/common to //ash, part 2 (Closed)
Patch Set: Created 3 years, 9 months ago
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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 #include "ash/common/shelf/overflow_button.h"
6
7 #include "ash/common/shelf/shelf_constants.h"
8 #include "ash/common/shelf/shelf_view.h"
9 #include "ash/common/shelf/wm_shelf.h"
10 #include "ash/resources/vector_icons/vector_icons.h"
11 #include "ash/strings/grit/ash_strings.h"
12 #include "base/memory/ptr_util.h"
13 #include "ui/base/l10n/l10n_util.h"
14 #include "ui/gfx/canvas.h"
15 #include "ui/gfx/image/image_skia_operations.h"
16 #include "ui/gfx/paint_vector_icon.h"
17 #include "ui/gfx/skbitmap_operations.h"
18 #include "ui/views/animation/flood_fill_ink_drop_ripple.h"
19 #include "ui/views/animation/ink_drop_impl.h"
20 #include "ui/views/animation/ink_drop_mask.h"
21
22 namespace ash {
23
24 OverflowButton::OverflowButton(ShelfView* shelf_view, WmShelf* wm_shelf)
25 : CustomButton(nullptr),
26 shelf_view_(shelf_view),
27 wm_shelf_(wm_shelf),
28 background_color_(kShelfDefaultBaseColor) {
29 DCHECK(shelf_view_);
30
31 SetInkDropMode(InkDropMode::ON);
32 set_ink_drop_base_color(kShelfInkDropBaseColor);
33 set_ink_drop_visible_opacity(kShelfInkDropVisibleOpacity);
34 set_hide_ink_drop_when_showing_context_menu(false);
35 bottom_image_ = gfx::CreateVectorIcon(kShelfOverflowIcon, kShelfIconColor);
36
37 SetFocusBehavior(FocusBehavior::ACCESSIBLE_ONLY);
38 SetAccessibleName(l10n_util::GetStringUTF16(IDS_ASH_SHELF_OVERFLOW_NAME));
39 }
40
41 OverflowButton::~OverflowButton() {}
42
43 void OverflowButton::OnShelfAlignmentChanged() {
44 SchedulePaint();
45 }
46
47 void OverflowButton::OnOverflowBubbleShown() {
48 AnimateInkDrop(views::InkDropState::ACTIVATED, nullptr);
49 }
50
51 void OverflowButton::OnOverflowBubbleHidden() {
52 AnimateInkDrop(views::InkDropState::DEACTIVATED, nullptr);
53 }
54
55 void OverflowButton::UpdateShelfItemBackground(SkColor color) {
56 background_color_ = color;
57 SchedulePaint();
58 }
59
60 void OverflowButton::OnPaint(gfx::Canvas* canvas) {
61 gfx::Rect bounds = CalculateButtonBounds();
62 PaintBackground(canvas, bounds);
63 PaintForeground(canvas, bounds);
64 }
65
66 std::unique_ptr<views::InkDrop> OverflowButton::CreateInkDrop() {
67 std::unique_ptr<views::InkDropImpl> ink_drop =
68 CreateDefaultFloodFillInkDropImpl();
69 ink_drop->SetShowHighlightOnHover(false);
70 ink_drop->SetAutoHighlightMode(views::InkDropImpl::AutoHighlightMode::NONE);
71 return std::move(ink_drop);
72 }
73
74 std::unique_ptr<views::InkDropRipple> OverflowButton::CreateInkDropRipple()
75 const {
76 gfx::Insets insets = GetLocalBounds().InsetsFrom(CalculateButtonBounds());
77 return base::MakeUnique<views::FloodFillInkDropRipple>(
78 size(), insets, GetInkDropCenterBasedOnLastEvent(), GetInkDropBaseColor(),
79 ink_drop_visible_opacity());
80 }
81
82 bool OverflowButton::ShouldEnterPushedState(const ui::Event& event) {
83 if (shelf_view_->IsShowingOverflowBubble())
84 return false;
85
86 return CustomButton::ShouldEnterPushedState(event);
87 }
88
89 void OverflowButton::NotifyClick(const ui::Event& event) {
90 CustomButton::NotifyClick(event);
91 shelf_view_->ButtonPressed(this, event, GetInkDrop());
92 }
93
94 std::unique_ptr<views::InkDropMask> OverflowButton::CreateInkDropMask() const {
95 gfx::Insets insets = GetLocalBounds().InsetsFrom(CalculateButtonBounds());
96 return base::MakeUnique<views::RoundRectInkDropMask>(
97 size(), insets, kOverflowButtonCornerRadius);
98 }
99
100 void OverflowButton::PaintBackground(gfx::Canvas* canvas,
101 const gfx::Rect& bounds) {
102 cc::PaintFlags flags;
103 flags.setFlags(cc::PaintFlags::kAntiAlias_Flag);
104 flags.setColor(background_color_);
105 canvas->DrawRoundRect(bounds, kOverflowButtonCornerRadius, flags);
106 }
107
108 void OverflowButton::PaintForeground(gfx::Canvas* canvas,
109 const gfx::Rect& bounds) {
110 const gfx::ImageSkia* image = nullptr;
111
112 switch (wm_shelf_->GetAlignment()) {
113 case SHELF_ALIGNMENT_LEFT:
114 if (left_image_.isNull()) {
115 left_image_ = gfx::ImageSkiaOperations::CreateRotatedImage(
116 bottom_image_, SkBitmapOperations::ROTATION_90_CW);
117 }
118 image = &left_image_;
119 break;
120 case SHELF_ALIGNMENT_RIGHT:
121 if (right_image_.isNull()) {
122 right_image_ = gfx::ImageSkiaOperations::CreateRotatedImage(
123 bottom_image_, SkBitmapOperations::ROTATION_270_CW);
124 }
125 image = &right_image_;
126 break;
127 default:
128 image = &bottom_image_;
129 break;
130 }
131
132 canvas->DrawImageInt(*image,
133 bounds.x() + ((bounds.width() - image->width()) / 2),
134 bounds.y() + ((bounds.height() - image->height()) / 2));
135 }
136
137 gfx::Rect OverflowButton::CalculateButtonBounds() const {
138 ShelfAlignment alignment = wm_shelf_->GetAlignment();
139 gfx::Rect content_bounds = GetContentsBounds();
140 // Align the button to the top of a bottom-aligned shelf, to the right edge
141 // a left-aligned shelf, and to the left edge of a right-aligned shelf.
142 const int inset = (GetShelfConstant(SHELF_SIZE) - kOverflowButtonSize) / 2;
143 const int x = alignment == SHELF_ALIGNMENT_LEFT
144 ? content_bounds.right() - inset - kOverflowButtonSize
145 : content_bounds.x() + inset;
146 return gfx::Rect(x, content_bounds.y() + inset, kOverflowButtonSize,
147 kOverflowButtonSize);
148 }
149
150 } // namespace ash
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