chrome/browser/ui/views/new_avatar_button.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 "chrome/browser/ui/views/new_avatar_button.h"
   6
   7 #include "base/win/windows_version.h"
   8 #include "chrome/browser/browser_process.h"
   9 #include "chrome/browser/profiles/profile_manager.h"
  10 #include "chrome/browser/profiles/profiles_state.h"
  11 #include "grit/generated_resources.h"
  12 #include "grit/theme_resources.h"
  13 #include "ui/base/l10n/l10n_util.h"
  14 #include "ui/base/resource/resource_bundle.h"
  15 #include "ui/gfx/canvas.h"
  16 #include "ui/gfx/color_utils.h"
  17 #include "ui/gfx/font_list.h"
  18 #include "ui/gfx/text_elider.h"
  19 #include "ui/views/border.h"
  20 #include "ui/views/painter.h"
  21
  22 namespace {
  23
  24 // Text padding within the button border.
  25 const int kInset = 10;
  26
  27 views::TextButtonDefaultBorder* CreateBorder(const int normal_image_set[],
  28                                              const int hot_image_set[],
  29                                              const int pushed_image_set[]) {
  30   views::TextButtonDefaultBorder* border = new views::TextButtonDefaultBorder();
  31
  32   border->SetInsets(gfx::Insets(kInset, kInset, kInset, kInset));
  33   border->set_normal_painter(
  34       views::Painter::CreateImageGridPainter(normal_image_set));
  35   border->set_hot_painter(
  36       views::Painter::CreateImageGridPainter(hot_image_set));
  37   border->set_pushed_painter(
  38       views::Painter::CreateImageGridPainter(pushed_image_set));
  39
  40   return border;
  41 }
  42
  43 base::string16 GetElidedText(const base::string16& original_text) {
  44   // Maximum characters the button can be before the text will get elided.
  45   const int kMaxCharactersToDisplay = 15;
  46
  47   const gfx::FontList font_list;
  48   return gfx::ElideText(
  49       original_text,
  50       font_list,
  51       font_list.GetExpectedTextWidth(kMaxCharactersToDisplay),
  52       gfx::ELIDE_AT_END);
  53 }
  54
  55 }  // namespace
  56
  57 NewAvatarButton::NewAvatarButton(
  58     views::ButtonListener* listener,
  59     const base::string16& profile_name,
  60     AvatarButtonStyle button_style,
  61     Browser* browser)
  62     : MenuButton(listener, GetElidedText(profile_name), NULL, true),
  63       browser_(browser) {
  64   set_animate_on_state_change(false);
  65
  66   ui::ResourceBundle* rb = &ui::ResourceBundle::GetSharedInstance();
  67
  68   bool is_win8 = false;
  69 #if defined(OS_WIN)
  70   is_win8 = base::win::GetVersion() >= base::win::VERSION_WIN8;
  71 #endif
  72
  73   if (button_style == THEMED_BUTTON) {
  74     const int kNormalImageSet[] = IMAGE_GRID(IDR_AVATAR_THEMED_BUTTON_NORMAL);
  75     const int kHotImageSet[] = IMAGE_GRID(IDR_AVATAR_THEMED_BUTTON_HOVER);
  76     const int kPushedImageSet[] = IMAGE_GRID(IDR_AVATAR_THEMED_BUTTON_PRESSED);
  77
  78     set_border(CreateBorder(kNormalImageSet, kHotImageSet, kPushedImageSet));
  79     set_menu_marker(
  80         rb->GetImageNamed(IDR_AVATAR_THEMED_BUTTON_DROPARROW).ToImageSkia());
  81   } else if (is_win8) {
  82     const int kNormalImageSet[] = IMAGE_GRID(IDR_AVATAR_METRO_BUTTON_NORMAL);
  83     const int kHotImageSet[] = IMAGE_GRID(IDR_AVATAR_METRO_BUTTON_HOVER);
  84     const int kPushedImageSet[] = IMAGE_GRID(IDR_AVATAR_METRO_BUTTON_PRESSED);
  85
  86     set_border(CreateBorder(kNormalImageSet, kHotImageSet, kPushedImageSet));
  87     set_menu_marker(
  88         rb->GetImageNamed(IDR_AVATAR_METRO_BUTTON_DROPARROW).ToImageSkia());
  89   } else {
  90     const int kNormalImageSet[] = IMAGE_GRID(IDR_AVATAR_GLASS_BUTTON_NORMAL);
  91     const int kHotImageSet[] = IMAGE_GRID(IDR_AVATAR_GLASS_BUTTON_HOVER);
  92     const int kPushedImageSet[] = IMAGE_GRID(IDR_AVATAR_GLASS_BUTTON_PRESSED);
  93
  94     set_border(CreateBorder(kNormalImageSet, kHotImageSet, kPushedImageSet));
  95     set_menu_marker(
  96         rb->GetImageNamed(IDR_AVATAR_GLASS_BUTTON_DROPARROW).ToImageSkia());
  97   }
  98
  99   avatar_menu_.reset(new AvatarMenu(
 100       &g_browser_process->profile_manager()->GetProfileInfoCache(),
 101       this,
 102       browser_));
 103   avatar_menu_->RebuildMenu();
 104
 105   SchedulePaint();
 106 }
 107
 108 NewAvatarButton::~NewAvatarButton() {
 109 }
 110
 111 void NewAvatarButton::OnPaint(gfx::Canvas* canvas) {
 112   // From TextButton::PaintButton, draw everything but the text.
 113   OnPaintBackground(canvas);
 114   OnPaintBorder(canvas);
 115   views::Painter::PaintFocusPainter(this, canvas, focus_painter());
 116
 117   gfx::Rect rect;
 118   // In RTL languages the marker gets drawn leftmost, so account for its offset.
 119   if (base::i18n::IsRTL())
 120     rect = gfx::Rect(-kInset, 0, size().width(), size().height());
 121   else
 122     rect = gfx::Rect(kInset, 0, size().width(), size().height());
 123
 124   canvas->DrawStringRectWithHalo(
 125       text(),
 126       gfx::FontList(),
 127       SK_ColorWHITE,
 128       SK_ColorDKGRAY,
 129       rect,
 130       gfx::Canvas::NO_SUBPIXEL_RENDERING);
 131
 132   // From MenuButton::PaintButton, paint the marker
 133   PaintMenuMarker(canvas);
 134 }
 135
 136 void NewAvatarButton::OnAvatarMenuChanged(AvatarMenu* avatar_menu) {
 137   // We want the button to resize if the new text is shorter.
 138   ClearMaxTextSize();
 139   SetText(GetElidedText(profiles::GetActiveProfileDisplayName(browser_)));
 140
 141   // Because the width of the button might have changed, the parent browser
 142   // frame needs to recalculate the button bounds and redraw it.
 143   parent()->Layout();
 144 }