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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 "chrome/browser/ui/views/avatar_label.h" | |
6 | |
7 #include "base/memory/scoped_ptr.h" | |
8 #include "chrome/browser/themes/theme_properties.h" | |
9 #include "chrome/browser/ui/views/frame/browser_view.h" | |
10 #include "grit/generated_resources.h" | |
11 #include "grit/theme_resources.h" | |
12 #include "ui/base/l10n/l10n_util.h" | |
13 #include "ui/base/theme_provider.h" | |
14 #include "ui/gfx/canvas.h" | |
15 #include "ui/gfx/color_utils.h" | |
16 #include "ui/views/painter.h" | |
17 | |
18 namespace { | |
19 | |
20 // A custom border for the managed user avatar label. | |
21 class AvatarLabelBorder : public views::Border { | |
22 public: | |
23 explicit AvatarLabelBorder(bool label_on_right); | |
24 | |
25 // views::Border: | |
26 virtual void Paint(const views::View& view, gfx::Canvas* canvas) OVERRIDE; | |
27 virtual gfx::Insets GetInsets() const OVERRIDE; | |
28 virtual gfx::Size GetMinimumSize() const OVERRIDE; | |
29 | |
30 private: | |
31 scoped_ptr<views::Painter> painter_; | |
32 gfx::Insets insets_; | |
33 | |
34 DISALLOW_COPY_AND_ASSIGN(AvatarLabelBorder); | |
35 }; | |
36 | |
37 AvatarLabelBorder::AvatarLabelBorder(bool label_on_right) { | |
38 const int kHorizontalInsetRight = label_on_right ? 43 : 10; | |
39 const int kHorizontalInsetLeft = label_on_right ? 10 : 43; | |
40 const int kVerticalInsetTop = 2; | |
41 const int kVerticalInsetBottom = 3; | |
42 // We want to align with the top of the tab. This works if the default font | |
43 // size is 13. If it is smaller, we need to increase the TopInset accordingly. | |
44 const int difference = std::max<int>(0, 13 - gfx::FontList().GetFontSize()); | |
45 const int addToTop = difference / 2; | |
46 const int addToBottom = difference - addToTop; | |
47 insets_ = gfx::Insets(kVerticalInsetTop + addToTop, | |
48 kHorizontalInsetLeft, | |
49 kVerticalInsetBottom + addToBottom, | |
50 kHorizontalInsetRight); | |
51 const int kImages[] = IMAGE_GRID(IDR_MANAGED_USER_LABEL); | |
52 painter_.reset(views::Painter::CreateImageGridPainter(kImages)); | |
53 } | |
54 | |
55 void AvatarLabelBorder::Paint(const views::View& view, gfx::Canvas* canvas) { | |
56 // Paint the default background using the image assets provided by UI. This | |
57 // includes a border with almost transparent white color. | |
58 painter_->Paint(canvas, view.size()); | |
59 | |
60 // Repaint the inner part of the background in order to be able to change | |
61 // the colors according to the currently installed theme. | |
62 gfx::Rect rect(1, 1, view.size().width() - 2, view.size().height() - 2); | |
63 SkPaint paint; | |
64 int kRadius = 2; | |
65 SkColor background_color = view.GetThemeProvider()->GetColor( | |
66 ThemeProperties::COLOR_MANAGED_USER_LABEL_BACKGROUND); | |
67 paint.setStyle(SkPaint::kFill_Style); | |
68 | |
69 // Paint the inner border with a color slightly darker than the background. | |
70 SkAlpha kAlphaForBlending = 230; | |
71 paint.setColor(color_utils::AlphaBlend( | |
72 background_color, SK_ColorBLACK, kAlphaForBlending)); | |
73 canvas->DrawRoundRect(rect, kRadius, paint); | |
74 | |
75 // Paint the inner background using the color provided by the ThemeProvider. | |
76 paint.setColor(background_color); | |
77 rect = gfx::Rect(2, 2, view.size().width() - 4, view.size().height() - 4); | |
78 canvas->DrawRoundRect(rect, kRadius, paint); | |
79 } | |
80 | |
81 gfx::Insets AvatarLabelBorder::GetInsets() const { | |
82 return insets_; | |
83 } | |
84 | |
85 gfx::Size AvatarLabelBorder::GetMinimumSize() const { | |
86 gfx::Size size(4, 4); | |
87 size.SetToMax(painter_->GetMinimumSize()); | |
88 return size; | |
89 } | |
90 | |
91 } // namespace | |
92 | |
93 AvatarLabel::AvatarLabel(BrowserView* browser_view) | |
94 : LabelButton(NULL, | |
95 l10n_util::GetStringUTF16(IDS_MANAGED_USER_AVATAR_LABEL)), | |
96 browser_view_(browser_view) { | |
97 SetLabelOnRight(false); | |
98 UpdateLabelStyle(); | |
99 } | |
100 | |
101 AvatarLabel::~AvatarLabel() {} | |
102 | |
103 bool AvatarLabel::OnMousePressed(const ui::MouseEvent& event) { | |
104 if (!LabelButton::OnMousePressed(event)) | |
105 return false; | |
106 | |
107 browser_view_->ShowAvatarBubbleFromAvatarButton( | |
108 BrowserWindow::AVATAR_BUBBLE_MODE_DEFAULT); | |
109 return true; | |
110 } | |
111 | |
112 void AvatarLabel::UpdateLabelStyle() { | |
113 // |browser_view_| can be NULL in unit tests. | |
114 if (!browser_view_) | |
115 return; | |
116 | |
117 SkColor color_label = browser_view_->frame()->GetThemeProvider()->GetColor( | |
118 ThemeProperties::COLOR_MANAGED_USER_LABEL); | |
119 for (size_t state = 0; state < STATE_COUNT; ++state) | |
120 SetTextColor(static_cast<ButtonState>(state), color_label); | |
121 SchedulePaint(); | |
122 } | |
123 | |
124 void AvatarLabel::SetLabelOnRight(bool label_on_right) { | |
125 SetBorder(scoped_ptr<views::Border>(new AvatarLabelBorder(label_on_right))); | |
126 } | |
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