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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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