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 scoped_ptr<views::Border> CreateBorder(const int normal_image_set[],
  28                                        const int hot_image_set[],
  29                                        const int pushed_image_set[]) {
  30   scoped_ptr<views::TextButtonDefaultBorder> border(
  31       new views::TextButtonDefaultBorder());
  32
  33   border->SetInsets(gfx::Insets(kInset, kInset, kInset, kInset));
  34   border->set_normal_painter(
  35       views::Painter::CreateImageGridPainter(normal_image_set));
  36   border->set_hot_painter(
  37       views::Painter::CreateImageGridPainter(hot_image_set));
  38   border->set_pushed_painter(
  39       views::Painter::CreateImageGridPainter(pushed_image_set));
  40
  41   return border.PassAs<views::Border>();
  42 }
  43
  44 base::string16 GetElidedText(const base::string16& original_text) {
  45   // Maximum characters the button can be before the text will get elided.
  46   const int kMaxCharactersToDisplay = 15;
  47
  48   const gfx::FontList font_list;
  49   return gfx::ElideText(
  50       original_text,
  51       font_list,
  52       font_list.GetExpectedTextWidth(kMaxCharactersToDisplay),
  53       gfx::ELIDE_AT_END);
  54 }
  55
  56 }  // namespace
  57
  58 NewAvatarButton::NewAvatarButton(
  59     views::ButtonListener* listener,
  60     const base::string16& profile_name,
  61     AvatarButtonStyle button_style,
  62     Browser* browser)
  63     : MenuButton(listener, GetElidedText(profile_name), NULL, true),
  64       browser_(browser) {
  65   set_animate_on_state_change(false);
  66
  67   ui::ResourceBundle* rb = &ui::ResourceBundle::GetSharedInstance();
  68
  69   bool is_win8 = false;
  70 #if defined(OS_WIN)
  71   is_win8 = base::win::GetVersion() >= base::win::VERSION_WIN8;
  72 #endif
  73
  74   if (button_style == THEMED_BUTTON) {
  75     const int kNormalImageSet[] = IMAGE_GRID(IDR_AVATAR_THEMED_BUTTON_NORMAL);
  76     const int kHotImageSet[] = IMAGE_GRID(IDR_AVATAR_THEMED_BUTTON_HOVER);
  77     const int kPushedImageSet[] = IMAGE_GRID(IDR_AVATAR_THEMED_BUTTON_PRESSED);
  78
  79     SetBorder(CreateBorder(kNormalImageSet, kHotImageSet, kPushedImageSet));
  80     set_menu_marker(
  81         rb->GetImageNamed(IDR_AVATAR_THEMED_BUTTON_DROPARROW).ToImageSkia());
  82   } else if (is_win8) {
  83     const int kNormalImageSet[] = IMAGE_GRID(IDR_AVATAR_METRO_BUTTON_NORMAL);
  84     const int kHotImageSet[] = IMAGE_GRID(IDR_AVATAR_METRO_BUTTON_HOVER);
  85     const int kPushedImageSet[] = IMAGE_GRID(IDR_AVATAR_METRO_BUTTON_PRESSED);
  86
  87     SetBorder(CreateBorder(kNormalImageSet, kHotImageSet, kPushedImageSet));
  88     set_menu_marker(
  89         rb->GetImageNamed(IDR_AVATAR_METRO_BUTTON_DROPARROW).ToImageSkia());
  90   } else {
  91     const int kNormalImageSet[] = IMAGE_GRID(IDR_AVATAR_GLASS_BUTTON_NORMAL);
  92     const int kHotImageSet[] = IMAGE_GRID(IDR_AVATAR_GLASS_BUTTON_HOVER);
  93     const int kPushedImageSet[] = IMAGE_GRID(IDR_AVATAR_GLASS_BUTTON_PRESSED);
  94
  95     SetBorder(CreateBorder(kNormalImageSet, kHotImageSet, kPushedImageSet));
  96     set_menu_marker(
  97         rb->GetImageNamed(IDR_AVATAR_GLASS_BUTTON_DROPARROW).ToImageSkia());
  98   }
  99
 100   avatar_menu_.reset(new AvatarMenu(
 101       &g_browser_process->profile_manager()->GetProfileInfoCache(),
 102       this,
 103       browser_));
 104   avatar_menu_->RebuildMenu();
 105
 106   SchedulePaint();
 107 }
 108
 109 NewAvatarButton::~NewAvatarButton() {
 110 }
 111
 112 void NewAvatarButton::OnPaint(gfx::Canvas* canvas) {
 113   // From TextButton::PaintButton, draw everything but the text.
 114   OnPaintBackground(canvas);
 115   OnPaintBorder(canvas);
 116   views::Painter::PaintFocusPainter(this, canvas, focus_painter());
 117
 118   gfx::Rect rect;
 119   // In RTL languages the marker gets drawn leftmost, so account for its offset.
 120   if (base::i18n::IsRTL())
 121     rect = gfx::Rect(-kInset, 0, size().width(), size().height());
 122   else
 123     rect = gfx::Rect(kInset, 0, size().width(), size().height());
 124
 125   canvas->DrawStringRectWithHalo(
 126       text(),
 127       gfx::FontList(),
 128       SK_ColorWHITE,
 129       SK_ColorDKGRAY,
 130       rect,
 131       gfx::Canvas::NO_SUBPIXEL_RENDERING);
 132
 133   // From MenuButton::PaintButton, paint the marker
 134   PaintMenuMarker(canvas);
 135 }
 136
 137 void NewAvatarButton::OnAvatarMenuChanged(AvatarMenu* avatar_menu) {
 138   // We want the button to resize if the new text is shorter.
 139   ClearMaxTextSize();
 140   SetText(GetElidedText(profiles::GetActiveProfileDisplayName(browser_)));
 141
 142   // Because the width of the button might have changed, the parent browser
 143   // frame needs to recalculate the button bounds and redraw it.
 144   parent()->Layout();
 145 }