ash/system/tray/tray_popup_label_button_border.cc

   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/system/tray/tray_popup_label_button_border.h"
   6
   7 #include "base/i18n/rtl.h"
   8 #include "grit/ash_resources.h"
   9 #include "ui/gfx/canvas.h"
  10 #include "ui/gfx/geometry/vector2d.h"
  11 #include "ui/native_theme/native_theme.h"
  12 #include "ui/views/controls/button/label_button.h"
  13 #include "ui/views/native_theme_delegate.h"
  14
  15 namespace ash {
  16
  17 TrayPopupLabelButtonBorder::TrayPopupLabelButtonBorder()
  18     : LabelButtonBorder(views::Button::STYLE_TEXTBUTTON) {
  19   const int kTrayPopupLabelButtonBorderImagesNormal[] = {
  20       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_BORDER,
  21       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_NORMAL_BACKGROUND,
  22       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_NORMAL_BACKGROUND,
  23       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_BORDER,
  24       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_NORMAL_BACKGROUND,
  25       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_NORMAL_BACKGROUND,
  26       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_BORDER,
  27       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_NORMAL_BACKGROUND,
  28       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_NORMAL_BACKGROUND,
  29   };
  30   SetPainter(false, views::Button::STATE_NORMAL,
  31              views::Painter::CreateImageGridPainter(
  32                  kTrayPopupLabelButtonBorderImagesNormal));
  33   SetPainter(false, views::Button::STATE_DISABLED,
  34              views::Painter::CreateImageGridPainter(
  35                  kTrayPopupLabelButtonBorderImagesNormal));
  36
  37   const int kTrayPopupLabelButtonBorderImagesHovered[] = {
  38       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_BORDER,
  39       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_BORDER,
  40       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_BORDER,
  41       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_BORDER,
  42       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_HOVER_BACKGROUND,
  43       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_BORDER,
  44       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_BORDER,
  45       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_BORDER,
  46       IDR_AURA_TRAY_POPUP_LABEL_BUTTON_BORDER,
  47   };
  48   SetPainter(false, views::Button::STATE_HOVERED,
  49              views::Painter::CreateImageGridPainter(
  50                  kTrayPopupLabelButtonBorderImagesHovered));
  51   SetPainter(false, views::Button::STATE_PRESSED,
  52              views::Painter::CreateImageGridPainter(
  53                  kTrayPopupLabelButtonBorderImagesHovered));
  54
  55   const int kTrayPopupLabelButtonPaddingHorizontal = 16;
  56   const int kTrayPopupLabelButtonPaddingVertical = 8;
  57   set_insets(gfx::Insets(kTrayPopupLabelButtonPaddingVertical,
  58                          kTrayPopupLabelButtonPaddingHorizontal,
  59                          kTrayPopupLabelButtonPaddingVertical,
  60                          kTrayPopupLabelButtonPaddingHorizontal));
  61 }
  62
  63 TrayPopupLabelButtonBorder::~TrayPopupLabelButtonBorder() {}
  64
  65 void TrayPopupLabelButtonBorder::Paint(const views::View& view,
  66                                        gfx::Canvas* canvas) {
  67   const views::NativeThemeDelegate* native_theme_delegate =
  68       static_cast<const views::LabelButton*>(&view);
  69   ui::NativeTheme::ExtraParams extra;
  70   const ui::NativeTheme::State state =
  71       native_theme_delegate->GetThemeState(&extra);
  72   if (state == ui::NativeTheme::kNormal ||
  73       state == ui::NativeTheme::kDisabled) {
  74     // In normal and disabled state, the border is a vertical bar separating the
  75     // button from the preceding sibling. If this button is its parent's first
  76     // visible child, the separator bar should be omitted.
  77     const views::View* first_visible_child = NULL;
  78     for (int i = 0; i < view.parent()->child_count(); ++i) {
  79       const views::View* child = view.parent()->child_at(i);
  80       if (child->visible()) {
  81         first_visible_child = child;
  82         break;
  83       }
  84     }
  85     if (first_visible_child == &view)
  86       return;
  87   }
  88   if (base::i18n::IsRTL()) {
  89     canvas->Save();
  90     canvas->Translate(gfx::Vector2d(view.width(), 0));
  91     canvas->Scale(-1, 1);
  92     LabelButtonBorder::Paint(view, canvas);
  93     canvas->Restore();
  94   } else {
  95     LabelButtonBorder::Paint(view, canvas);
  96   }
  97 }
  98
  99 }  // namespace ash