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      1 // Copyright (c) 2012 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_menu_bubble_view.h"
      6 
      7 #include <algorithm>
      8 
      9 #include "base/command_line.h"
     10 #include "base/strings/string16.h"
     11 #include "base/strings/utf_string_conversions.h"
     12 #include "chrome/app/chrome_command_ids.h"
     13 #include "chrome/browser/browser_process.h"
     14 #include "chrome/browser/profiles/avatar_menu_model.h"
     15 #include "chrome/browser/profiles/profile_info_cache.h"
     16 #include "chrome/browser/profiles/profile_info_util.h"
     17 #include "chrome/browser/profiles/profile_manager.h"
     18 #include "chrome/browser/signin/signin_manager.h"
     19 #include "chrome/browser/signin/signin_manager_factory.h"
     20 #include "chrome/browser/ui/browser.h"
     21 #include "chrome/browser/ui/browser_commands.h"
     22 #include "chrome/browser/ui/browser_list.h"
     23 #include "chrome/browser/ui/browser_window.h"
     24 #include "chrome/browser/ui/chrome_pages.h"
     25 #include "chrome/common/chrome_switches.h"
     26 #include "chrome/common/url_constants.h"
     27 #include "content/public/browser/page_navigator.h"
     28 #include "content/public/browser/web_contents.h"
     29 #include "grit/generated_resources.h"
     30 #include "grit/theme_resources.h"
     31 #include "ui/base/l10n/l10n_util.h"
     32 #include "ui/base/resource/resource_bundle.h"
     33 #include "ui/gfx/canvas.h"
     34 #include "ui/gfx/image/canvas_image_source.h"
     35 #include "ui/gfx/image/image.h"
     36 #include "ui/views/controls/button/custom_button.h"
     37 #include "ui/views/controls/button/image_button.h"
     38 #include "ui/views/controls/button/label_button.h"
     39 #include "ui/views/controls/image_view.h"
     40 #include "ui/views/controls/label.h"
     41 #include "ui/views/controls/link.h"
     42 #include "ui/views/controls/separator.h"
     43 #include "ui/views/layout/grid_layout.h"
     44 #include "ui/views/layout/layout_constants.h"
     45 #include "ui/views/widget/widget.h"
     46 
     47 namespace {
     48 
     49 const int kItemHeight = 44;
     50 const int kItemMarginY = 4;
     51 const int kIconMarginX = 6;
     52 const int kSeparatorPaddingY = 5;
     53 const int kMaxItemTextWidth = 200;
     54 const SkColor kHighlightColor = 0xFFE3EDF6;
     55 
     56 inline int Round(double x) {
     57   return static_cast<int>(x + 0.5);
     58 }
     59 
     60 gfx::Rect GetCenteredAndScaledRect(int src_width, int src_height,
     61                                    int dst_x, int dst_y,
     62                                    int dst_width, int dst_height) {
     63   int scaled_width;
     64   int scaled_height;
     65   if (src_width > src_height) {
     66     scaled_width = std::min(src_width, dst_width);
     67     float scale = static_cast<float>(scaled_width) /
     68                   static_cast<float>(src_width);
     69     scaled_height = Round(src_height * scale);
     70   } else {
     71     scaled_height = std::min(src_height, dst_height);
     72     float scale = static_cast<float>(scaled_height) /
     73                   static_cast<float>(src_height);
     74     scaled_width = Round(src_width * scale);
     75   }
     76   int x = dst_x + (dst_width - scaled_width) / 2;
     77   int y = dst_y + (dst_height - scaled_height) / 2;
     78   return gfx::Rect(x, y, scaled_width, scaled_height);
     79 }
     80 
     81 // BadgeImageSource -----------------------------------------------------------
     82 class BadgeImageSource: public gfx::CanvasImageSource {
     83  public:
     84   BadgeImageSource(const gfx::ImageSkia& icon,
     85                    const gfx::Size& icon_size,
     86                    const gfx::ImageSkia& badge);
     87 
     88   virtual ~BadgeImageSource();
     89 
     90   // Overridden from CanvasImageSource:
     91   virtual void Draw(gfx::Canvas* canvas) OVERRIDE;
     92 
     93  private:
     94   gfx::Size ComputeSize(const gfx::ImageSkia& icon,
     95                         const gfx::Size& size,
     96                         const gfx::ImageSkia& badge);
     97 
     98   const gfx::ImageSkia icon_;
     99   gfx::Size icon_size_;
    100   const gfx::ImageSkia badge_;
    101 
    102   DISALLOW_COPY_AND_ASSIGN(BadgeImageSource);
    103 };
    104 
    105 BadgeImageSource::BadgeImageSource(const gfx::ImageSkia& icon,
    106                                    const gfx::Size& icon_size,
    107                                    const gfx::ImageSkia& badge)
    108     : gfx::CanvasImageSource(ComputeSize(icon, icon_size, badge), false),
    109       icon_(icon),
    110       icon_size_(icon_size),
    111       badge_(badge) {
    112 }
    113 
    114 BadgeImageSource::~BadgeImageSource() {
    115 }
    116 
    117 void BadgeImageSource::Draw(gfx::Canvas* canvas) {
    118   canvas->DrawImageInt(icon_, 0, 0, icon_.width(), icon_.height(), 0, 0,
    119                        icon_size_.width(), icon_size_.height(), true);
    120   canvas->DrawImageInt(badge_, size().width() - badge_.width(),
    121                        size().height() - badge_.height());
    122 }
    123 
    124 gfx::Size BadgeImageSource::ComputeSize(const gfx::ImageSkia& icon,
    125                                         const gfx::Size& icon_size,
    126                                         const gfx::ImageSkia& badge) {
    127   const float kBadgeOverlapRatioX = 1.0f / 5.0f;
    128   int width = icon_size.width() + badge.width() * kBadgeOverlapRatioX;
    129   const float kBadgeOverlapRatioY = 1.0f / 3.0f;
    130   int height = icon_size.height() + badge.height() * kBadgeOverlapRatioY;
    131   return gfx::Size(width, height);
    132 }
    133 
    134 // HighlightDelegate ----------------------------------------------------------
    135 
    136 // Delegate to callback when the highlight state of a control changes.
    137 class HighlightDelegate {
    138  public:
    139   virtual ~HighlightDelegate() {}
    140   virtual void OnHighlightStateChanged() = 0;
    141   virtual void OnFocusStateChanged(bool has_focus) = 0;
    142 };
    143 
    144 
    145 // EditProfileLink ------------------------------------------------------------
    146 
    147 // A custom Link control that forwards highlight state changes. We need to do
    148 // this to make sure that the ProfileItemView looks highlighted even when
    149 // the mouse is over this link.
    150 class EditProfileLink : public views::Link {
    151  public:
    152   explicit EditProfileLink(const string16& title,
    153                            HighlightDelegate* delegate);
    154 
    155   virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
    156   virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
    157   virtual void OnFocus() OVERRIDE;
    158   virtual void OnBlur() OVERRIDE;
    159 
    160   views::CustomButton::ButtonState state() { return state_; }
    161 
    162  private:
    163   HighlightDelegate* delegate_;
    164   views::CustomButton::ButtonState state_;
    165 };
    166 
    167 EditProfileLink::EditProfileLink(const string16& title,
    168                                  HighlightDelegate* delegate)
    169     : views::Link(title),
    170       delegate_(delegate),
    171       state_(views::CustomButton::STATE_NORMAL) {
    172 }
    173 
    174 void EditProfileLink::OnMouseEntered(const ui::MouseEvent& event) {
    175   views::Link::OnMouseEntered(event);
    176   state_ = views::CustomButton::STATE_HOVERED;
    177   delegate_->OnHighlightStateChanged();
    178 }
    179 
    180 void EditProfileLink::OnMouseExited(const ui::MouseEvent& event) {
    181   views::Link::OnMouseExited(event);
    182   state_ = views::CustomButton::STATE_NORMAL;
    183   delegate_->OnHighlightStateChanged();
    184 }
    185 
    186 void EditProfileLink::OnFocus() {
    187   views::Link::OnFocus();
    188   delegate_->OnFocusStateChanged(true);
    189 }
    190 
    191 void EditProfileLink::OnBlur() {
    192   views::Link::OnBlur();
    193   state_ = views::CustomButton::STATE_NORMAL;
    194   delegate_->OnFocusStateChanged(false);
    195 }
    196 
    197 
    198 // ProfileImageView -----------------------------------------------------------
    199 
    200 // A custom image view that ignores mouse events so that the parent can receive
    201 // them instead.
    202 class ProfileImageView : public views::ImageView {
    203  public:
    204   virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
    205 };
    206 
    207 bool ProfileImageView::HitTestRect(const gfx::Rect& rect) const {
    208   return false;
    209 }
    210 
    211 }  // namespace
    212 
    213 // ProfileItemView ------------------------------------------------------------
    214 
    215 // Control that shows information about a single profile.
    216 class ProfileItemView : public views::CustomButton,
    217                         public HighlightDelegate {
    218  public:
    219   ProfileItemView(const AvatarMenuModel::Item& item,
    220                   AvatarMenuBubbleView* parent);
    221 
    222   virtual gfx::Size GetPreferredSize() OVERRIDE;
    223   virtual void Layout() OVERRIDE;
    224   virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
    225   virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
    226   virtual void OnFocus() OVERRIDE;
    227   virtual void OnBlur() OVERRIDE;
    228 
    229   virtual void OnHighlightStateChanged() OVERRIDE;
    230   virtual void OnFocusStateChanged(bool has_focus) OVERRIDE;
    231 
    232   const AvatarMenuModel::Item& item() const { return item_; }
    233   EditProfileLink* edit_link() { return edit_link_; }
    234 
    235  private:
    236   gfx::ImageSkia GetBadgedIcon(const gfx::ImageSkia& icon);
    237 
    238   bool IsHighlighted();
    239 
    240   AvatarMenuModel::Item item_;
    241   AvatarMenuBubbleView* parent_;
    242   views::ImageView* image_view_;
    243   views::Label* name_label_;
    244   views::Label* sync_state_label_;
    245   EditProfileLink* edit_link_;
    246 
    247   DISALLOW_COPY_AND_ASSIGN(ProfileItemView);
    248 };
    249 
    250 ProfileItemView::ProfileItemView(const AvatarMenuModel::Item& item,
    251                                  AvatarMenuBubbleView* parent)
    252     : views::CustomButton(parent),
    253       item_(item),
    254       parent_(parent) {
    255   set_notify_enter_exit_on_child(true);
    256 
    257   image_view_ = new ProfileImageView();
    258   gfx::ImageSkia profile_icon = *item_.icon.ToImageSkia();
    259   if (item_.active || item_.signin_required)
    260     image_view_->SetImage(GetBadgedIcon(profile_icon));
    261   else
    262     image_view_->SetImage(profile_icon);
    263   AddChildView(image_view_);
    264 
    265   // Add a label to show the profile name.
    266   ui::ResourceBundle* rb = &ui::ResourceBundle::GetSharedInstance();
    267   name_label_ = new views::Label(item_.name,
    268                                  rb->GetFont(item_.active ?
    269                                              ui::ResourceBundle::BoldFont :
    270                                              ui::ResourceBundle::BaseFont));
    271   name_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
    272   AddChildView(name_label_);
    273 
    274   // Add a label to show the sync state.
    275   sync_state_label_ = new views::Label(item_.sync_state);
    276   if (item_.signed_in)
    277     sync_state_label_->SetElideBehavior(views::Label::ELIDE_AS_EMAIL);
    278   sync_state_label_->SetFont(rb->GetFont(ui::ResourceBundle::SmallFont));
    279   sync_state_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
    280   sync_state_label_->SetEnabled(false);
    281   AddChildView(sync_state_label_);
    282 
    283   // Add an edit profile link.
    284   edit_link_ = new EditProfileLink(
    285       l10n_util::GetStringUTF16(IDS_PROFILES_EDIT_PROFILE_LINK), this);
    286   edit_link_->set_listener(parent);
    287   edit_link_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
    288   edit_link_->SetHasFocusBorder(true);
    289   AddChildView(edit_link_);
    290 
    291   OnHighlightStateChanged();
    292 }
    293 
    294 gfx::Size ProfileItemView::GetPreferredSize() {
    295   int text_width = std::max(name_label_->GetPreferredSize().width(),
    296                             sync_state_label_->GetPreferredSize().width());
    297   text_width = std::max(edit_link_->GetPreferredSize().width(), text_width);
    298   text_width = std::min(kMaxItemTextWidth, text_width);
    299   return gfx::Size(profiles::kAvatarIconWidth + kIconMarginX + text_width,
    300                    kItemHeight);
    301 }
    302 
    303 void ProfileItemView::Layout() {
    304   // Profile icon.
    305   gfx::Rect icon_rect;
    306   if (item_.active) {
    307     // If this is the active item then the icon is already scaled and so
    308     // just use the preferred size.
    309     icon_rect.set_size(image_view_->GetPreferredSize());
    310     icon_rect.set_y((height() - icon_rect.height()) / 2);
    311   } else {
    312     const gfx::ImageSkia& icon = image_view_->GetImage();
    313     icon_rect = GetCenteredAndScaledRect(icon.width(), icon.height(), 0, 0,
    314         profiles::kAvatarIconWidth, height());
    315   }
    316   image_view_->SetBoundsRect(icon_rect);
    317 
    318   int label_x = profiles::kAvatarIconWidth + kIconMarginX;
    319   int max_label_width = std::max(width() - label_x, 0);
    320   gfx::Size name_size = name_label_->GetPreferredSize();
    321   name_size.set_width(std::min(name_size.width(), max_label_width));
    322   gfx::Size state_size = sync_state_label_->GetPreferredSize();
    323   state_size.set_width(std::min(state_size.width(), max_label_width));
    324   gfx::Size edit_size = edit_link_->GetPreferredSize();
    325   edit_size.set_width(std::min(edit_size.width(), max_label_width));
    326 
    327   const int kNameStatePaddingY = 2;
    328   int labels_height = name_size.height() + kNameStatePaddingY +
    329       std::max(state_size.height(), edit_size.height());
    330   int y = (height() - labels_height) / 2;
    331   name_label_->SetBounds(label_x, y, name_size.width(), name_size.height());
    332 
    333   int bottom = y + labels_height;
    334   sync_state_label_->SetBounds(label_x, bottom - state_size.height(),
    335                                state_size.width(), state_size.height());
    336   // The edit link overlaps the sync state label.
    337   edit_link_->SetBounds(label_x, bottom - edit_size.height(),
    338                         edit_size.width(), edit_size.height());
    339 }
    340 
    341 void ProfileItemView::OnMouseEntered(const ui::MouseEvent& event) {
    342   views::CustomButton::OnMouseEntered(event);
    343   OnHighlightStateChanged();
    344 }
    345 
    346 void ProfileItemView::OnMouseExited(const ui::MouseEvent& event) {
    347   views::CustomButton::OnMouseExited(event);
    348   OnHighlightStateChanged();
    349 }
    350 
    351 void ProfileItemView::OnFocus() {
    352   views::CustomButton::OnFocus();
    353   OnFocusStateChanged(true);
    354 }
    355 
    356 void ProfileItemView::OnBlur() {
    357   views::CustomButton::OnBlur();
    358   OnFocusStateChanged(false);
    359 }
    360 
    361 void ProfileItemView::OnHighlightStateChanged() {
    362   const SkColor color = IsHighlighted() ? kHighlightColor : parent_->color();
    363   set_background(views::Background::CreateSolidBackground(color));
    364   name_label_->SetBackgroundColor(color);
    365   sync_state_label_->SetBackgroundColor(color);
    366   edit_link_->SetBackgroundColor(color);
    367 
    368   bool show_edit = IsHighlighted() && item_.active;
    369   sync_state_label_->SetVisible(!show_edit);
    370   edit_link_->SetVisible(show_edit);
    371   SchedulePaint();
    372 }
    373 
    374 void ProfileItemView::OnFocusStateChanged(bool has_focus) {
    375   if (!has_focus && state() != views::CustomButton::STATE_DISABLED)
    376     SetState(views::CustomButton::STATE_NORMAL);
    377   OnHighlightStateChanged();
    378 }
    379 
    380 // static
    381 gfx::ImageSkia ProfileItemView::GetBadgedIcon(const gfx::ImageSkia& icon) {
    382   ui::ResourceBundle* rb = &ui::ResourceBundle::GetSharedInstance();
    383   const gfx::ImageSkia* badge = NULL;
    384 
    385   if (item_.active)
    386     badge = rb->GetImageSkiaNamed(IDR_PROFILE_SELECTED);
    387   else if (item_.signin_required)  // TODO(bcwhite): create new icon
    388     badge = rb->GetImageSkiaNamed(IDR_OMNIBOX_HTTPS_VALID);
    389   else
    390     NOTREACHED();  // function should only be called if one of above is true
    391 
    392   gfx::Size icon_size = GetCenteredAndScaledRect(icon.width(), icon.height(),
    393       0, 0, profiles::kAvatarIconWidth, kItemHeight).size();
    394   gfx::CanvasImageSource* source =
    395       new BadgeImageSource(icon, icon_size, *badge);
    396   // ImageSkia takes ownership of |source|.
    397   return gfx::ImageSkia(source, source->size());
    398 }
    399 
    400 bool ProfileItemView::IsHighlighted() {
    401   return state() == views::CustomButton::STATE_PRESSED ||
    402          state() == views::CustomButton::STATE_HOVERED ||
    403          edit_link_->state() == views::CustomButton::STATE_PRESSED ||
    404          edit_link_->state() == views::CustomButton::STATE_HOVERED ||
    405          HasFocus() ||
    406          edit_link_->HasFocus();
    407 }
    408 
    409 
    410 // ActionButtonView -----------------------------------------------------------
    411 
    412 // A custom view that manages the "action" buttons at the bottom of the list
    413 // of profiles.
    414 class ActionButtonView : public views::View {
    415  public:
    416   ActionButtonView(views::ButtonListener* listener, Profile* profile);
    417 
    418  private:
    419   views::LabelButton* manage_button_;
    420   views::LabelButton* signout_button_;
    421 
    422   DISALLOW_COPY_AND_ASSIGN(ActionButtonView);
    423 };
    424 
    425 
    426 ActionButtonView::ActionButtonView(views::ButtonListener* listener,
    427                                    Profile* profile)
    428   : manage_button_(NULL),
    429     signout_button_(NULL) {
    430   std::string username;
    431   SigninManagerBase* signin =
    432       SigninManagerFactory::GetForProfile(profile);
    433   if (signin != NULL)
    434     username = signin->GetAuthenticatedUsername();
    435 
    436   manage_button_ = new views::LabelButton(
    437       listener, l10n_util::GetStringUTF16(IDS_PROFILES_MANAGE_PROFILES_BUTTON));
    438   manage_button_->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
    439   manage_button_->SetTooltipText(
    440       l10n_util::GetStringUTF16(IDS_PROFILES_MANAGE_PROFILES_BUTTON_TIP));
    441   manage_button_->set_tag(IDS_PROFILES_MANAGE_PROFILES_BUTTON);
    442 
    443   signout_button_ = new views::LabelButton(
    444       listener, l10n_util::GetStringUTF16(IDS_PROFILES_PROFILE_SIGNOUT_BUTTON));
    445   signout_button_->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
    446   if (username.empty()) {
    447     signout_button_->SetTooltipText(
    448         l10n_util::GetStringUTF16(
    449             IDS_PROFILES_PROFILE_SIGNOUT_BUTTON_TIP_UNAVAILABLE));
    450     signout_button_->SetEnabled(false);
    451   } else {
    452     signout_button_->SetTooltipText(
    453         l10n_util::GetStringFUTF16(IDS_PROFILES_PROFILE_SIGNOUT_BUTTON_TIP,
    454                                    UTF8ToUTF16(username)));
    455   }
    456   signout_button_->set_tag(IDS_PROFILES_PROFILE_SIGNOUT_BUTTON);
    457 
    458   views::GridLayout* layout = new views::GridLayout(this);
    459   views::ColumnSet* columns = layout->AddColumnSet(0);
    460   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 1,
    461                      views::GridLayout::USE_PREF, 0, 0);
    462   columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::FILL, 1,
    463                      views::GridLayout::USE_PREF, 0, 0);
    464   layout->StartRow(0, 0);
    465   layout->AddView(signout_button_);
    466   layout->AddView(manage_button_);
    467   SetLayoutManager(layout);
    468 }
    469 
    470 
    471 // AvatarMenuBubbleView -------------------------------------------------------
    472 
    473 // static
    474 AvatarMenuBubbleView* AvatarMenuBubbleView::avatar_bubble_ = NULL;
    475 bool AvatarMenuBubbleView::close_on_deactivate_ = true;
    476 
    477 // static
    478 void AvatarMenuBubbleView::ShowBubble(
    479     views::View* anchor_view,
    480     views::BubbleBorder::Arrow arrow,
    481     views::BubbleBorder::BubbleAlignment border_alignment,
    482     const gfx::Rect& anchor_rect,
    483     Browser* browser) {
    484   if (IsShowing())
    485     return;
    486 
    487   DCHECK(chrome::IsCommandEnabled(browser, IDC_SHOW_AVATAR_MENU));
    488   avatar_bubble_ = new AvatarMenuBubbleView(
    489       anchor_view, arrow, anchor_rect, browser);
    490   views::BubbleDelegateView::CreateBubble(avatar_bubble_);
    491   avatar_bubble_->set_close_on_deactivate(close_on_deactivate_);
    492   avatar_bubble_->SetBackgroundColors();
    493   avatar_bubble_->SetAlignment(border_alignment);
    494   avatar_bubble_->GetWidget()->Show();
    495 }
    496 
    497 // static
    498 bool AvatarMenuBubbleView::IsShowing() {
    499   return avatar_bubble_ != NULL;
    500 }
    501 
    502 // static
    503 void AvatarMenuBubbleView::Hide() {
    504   if (IsShowing())
    505     avatar_bubble_->GetWidget()->Close();
    506 }
    507 
    508 AvatarMenuBubbleView::AvatarMenuBubbleView(
    509     views::View* anchor_view,
    510     views::BubbleBorder::Arrow arrow,
    511     const gfx::Rect& anchor_rect,
    512     Browser* browser)
    513     : BubbleDelegateView(anchor_view, arrow),
    514       anchor_rect_(anchor_rect),
    515       browser_(browser),
    516       separator_(NULL),
    517       buttons_view_(NULL),
    518       managed_user_info_(NULL),
    519       separator_switch_users_(NULL),
    520       expanded_(false) {
    521   avatar_menu_model_.reset(new AvatarMenuModel(
    522       &g_browser_process->profile_manager()->GetProfileInfoCache(),
    523       this, browser_));
    524 }
    525 
    526 AvatarMenuBubbleView::~AvatarMenuBubbleView() {
    527 }
    528 
    529 gfx::Size AvatarMenuBubbleView::GetPreferredSize() {
    530   const int kBubbleViewMinWidth = 175;
    531   gfx::Size preferred_size(kBubbleViewMinWidth, 0);
    532   for (size_t i = 0; i < item_views_.size(); ++i) {
    533     gfx::Size size = item_views_[i]->GetPreferredSize();
    534     preferred_size.Enlarge(0, size.height() + kItemMarginY);
    535     preferred_size.SetToMax(size);
    536   }
    537 
    538   if (buttons_view_) {
    539     preferred_size.Enlarge(
    540         0, kSeparatorPaddingY * 2 + separator_->GetPreferredSize().height());
    541 
    542     gfx::Size buttons_size = buttons_view_->GetPreferredSize();
    543     preferred_size.Enlarge(0, buttons_size.height());
    544     preferred_size.SetToMax(buttons_size);
    545   }
    546 
    547 
    548   if (managed_user_info_) {
    549     // First handle the switch profile link because it can still affect the
    550     // preferred width.
    551     gfx::Size size = switch_profile_link_->GetPreferredSize();
    552     preferred_size.Enlarge(0, size.height());
    553     preferred_size.SetToMax(size);
    554 
    555     // Add the height of the two separators.
    556     preferred_size.Enlarge(
    557         0,
    558         kSeparatorPaddingY * 4 + separator_->GetPreferredSize().height() * 2);
    559   }
    560 
    561   const int kBubbleViewMaxWidth = 800;
    562   preferred_size.SetToMin(
    563       gfx::Size(kBubbleViewMaxWidth, preferred_size.height()));
    564 
    565   // We have to do this after the final width is calculated, since the label
    566   // will wrap based on the width.
    567   if (managed_user_info_) {
    568     int remaining_width =
    569         preferred_size.width() - icon_view_->GetPreferredSize().width() -
    570         views::kRelatedControlSmallHorizontalSpacing;
    571     preferred_size.Enlarge(
    572         0,
    573         managed_user_info_->GetHeightForWidth(remaining_width) + kItemMarginY);
    574   }
    575 
    576   return preferred_size;
    577 }
    578 
    579 void AvatarMenuBubbleView::Layout() {
    580   int y = 0;
    581   for (size_t i = 0; i < item_views_.size(); ++i) {
    582     views::CustomButton* item_view = item_views_[i];
    583     int item_height = item_view->GetPreferredSize().height();
    584     int item_width = width();
    585     item_view->SetBounds(0, y, item_width, item_height);
    586     y += item_height + kItemMarginY;
    587   }
    588 
    589   int separator_height;
    590   if (buttons_view_ || managed_user_info_) {
    591     separator_height = separator_->GetPreferredSize().height();
    592     y += kSeparatorPaddingY;
    593     separator_->SetBounds(0, y, width(), separator_height);
    594     y += kSeparatorPaddingY + separator_height;
    595   }
    596 
    597   if (buttons_view_) {
    598     buttons_view_->SetBounds(0, y,
    599         width(), buttons_view_->GetPreferredSize().height());
    600   } else if (managed_user_info_) {
    601     gfx::Size icon_size = icon_view_->GetPreferredSize();
    602     gfx::Rect icon_bounds(0, y, icon_size.width(), icon_size.height());
    603     icon_view_->SetBoundsRect(icon_bounds);
    604     int info_width = width() - icon_bounds.right() -
    605                      views::kRelatedControlSmallHorizontalSpacing;
    606     int height = managed_user_info_->GetHeightForWidth(info_width);
    607     managed_user_info_->SetBounds(
    608         icon_bounds.right() + views::kRelatedControlSmallHorizontalSpacing,
    609         y, info_width, height);
    610     y += height + kItemMarginY + kSeparatorPaddingY;
    611     separator_switch_users_->SetBounds(0, y, width(), separator_height);
    612     y += separator_height + kSeparatorPaddingY;
    613     int link_height = switch_profile_link_->GetPreferredSize().height();
    614     switch_profile_link_->SetBounds(0, y, width(), link_height);
    615   }
    616 }
    617 
    618 bool AvatarMenuBubbleView::AcceleratorPressed(
    619     const ui::Accelerator& accelerator) {
    620   if (accelerator.key_code() != ui::VKEY_DOWN &&
    621       accelerator.key_code() != ui::VKEY_UP)
    622     return BubbleDelegateView::AcceleratorPressed(accelerator);
    623 
    624   if (item_views_.empty())
    625     return true;
    626 
    627   // Find the currently focused item. Note that if there is no focused item, the
    628   // code below correctly handles a |focus_index| of -1.
    629   int focus_index = -1;
    630   for (size_t i = 0; i < item_views_.size(); ++i) {
    631     if (item_views_[i]->HasFocus()) {
    632       focus_index = i;
    633       break;
    634     }
    635   }
    636 
    637   // Moved the focus up or down by 1.
    638   if (accelerator.key_code() == ui::VKEY_DOWN)
    639     focus_index = (focus_index + 1) % item_views_.size();
    640   else
    641     focus_index = ((focus_index > 0) ? focus_index : item_views_.size()) - 1;
    642   item_views_[focus_index]->RequestFocus();
    643 
    644   return true;
    645 }
    646 
    647 void AvatarMenuBubbleView::ButtonPressed(views::Button* sender,
    648                                          const ui::Event& event) {
    649   if (sender->tag() == IDS_PROFILES_MANAGE_PROFILES_BUTTON) {
    650     std::string subpage = chrome::kSearchUsersSubPage;
    651     chrome::ShowSettingsSubPage(browser_, subpage);
    652     return;
    653   } else if (sender->tag() == IDS_PROFILES_PROFILE_SIGNOUT_BUTTON) {
    654     avatar_menu_model_->BeginSignOut();
    655     return;
    656   }
    657 
    658   for (size_t i = 0; i < item_views_.size(); ++i) {
    659     ProfileItemView* item_view = item_views_[i];
    660     if (sender == item_view) {
    661       // Clicking on the active profile shouldn't do anything.
    662       if (!item_view->item().active) {
    663         avatar_menu_model_->SwitchToProfile(
    664             i, ui::DispositionFromEventFlags(event.flags()) == NEW_WINDOW);
    665       }
    666       break;
    667     }
    668   }
    669 }
    670 
    671 void AvatarMenuBubbleView::LinkClicked(views::Link* source, int event_flags) {
    672   if (source == buttons_view_) {
    673     avatar_menu_model_->AddNewProfile(ProfileMetrics::ADD_NEW_USER_ICON);
    674     return;
    675   }
    676   if (source == switch_profile_link_) {
    677     expanded_ = true;
    678     OnAvatarMenuModelChanged(avatar_menu_model_.get());
    679     return;
    680   }
    681 
    682   for (size_t i = 0; i < item_views_.size(); ++i) {
    683     ProfileItemView* item_view = item_views_[i];
    684     if (source == item_view->edit_link()) {
    685       avatar_menu_model_->EditProfile(i);
    686       return;
    687     }
    688   }
    689 }
    690 
    691 gfx::Rect AvatarMenuBubbleView::GetAnchorRect() {
    692   return anchor_rect_;
    693 }
    694 
    695 void AvatarMenuBubbleView::Init() {
    696   // Build the menu for the first time.
    697   OnAvatarMenuModelChanged(avatar_menu_model_.get());
    698   AddAccelerator(ui::Accelerator(ui::VKEY_DOWN, ui::EF_NONE));
    699   AddAccelerator(ui::Accelerator(ui::VKEY_UP, ui::EF_NONE));
    700 }
    701 
    702 void AvatarMenuBubbleView::WindowClosing() {
    703   DCHECK_EQ(avatar_bubble_, this);
    704   avatar_bubble_ = NULL;
    705 }
    706 
    707 void AvatarMenuBubbleView::InitMenuContents(
    708     AvatarMenuModel* avatar_menu_model) {
    709   for (size_t i = 0; i < avatar_menu_model->GetNumberOfItems(); ++i) {
    710     const AvatarMenuModel::Item& item = avatar_menu_model->GetItemAt(i);
    711     ProfileItemView* item_view = new ProfileItemView(item, this);
    712     item_view->SetAccessibleName(l10n_util::GetStringFUTF16(
    713         IDS_PROFILES_SWITCH_TO_PROFILE_ACCESSIBLE_NAME, item.name));
    714     item_view->set_focusable(true);
    715     AddChildView(item_view);
    716     item_views_.push_back(item_view);
    717   }
    718 
    719   if (CommandLine::ForCurrentProcess()->HasSwitch(
    720       switches::kNewProfileManagement)) {
    721     separator_ = new views::Separator(views::Separator::HORIZONTAL);
    722     AddChildView(separator_);
    723     buttons_view_ = new ActionButtonView(this, browser_->profile());
    724     AddChildView(buttons_view_);
    725   } else if (avatar_menu_model_->ShouldShowAddNewProfileLink()) {
    726     views::Link* add_profile_link = new views::Link(
    727         l10n_util::GetStringUTF16(IDS_PROFILES_CREATE_NEW_PROFILE_LINK));
    728     add_profile_link->set_listener(this);
    729     add_profile_link->SetHorizontalAlignment(gfx::ALIGN_CENTER);
    730     add_profile_link->SetBackgroundColor(color());
    731     separator_ = new views::Separator(views::Separator::HORIZONTAL);
    732     AddChildView(separator_);
    733     buttons_view_ = add_profile_link;
    734     AddChildView(buttons_view_);
    735   }
    736 }
    737 
    738 void AvatarMenuBubbleView::InitManagedUserContents(
    739     AvatarMenuModel* avatar_menu_model) {
    740   // Show the profile of the managed user.
    741   size_t active_index = avatar_menu_model->GetActiveProfileIndex();
    742   const AvatarMenuModel::Item& item =
    743       avatar_menu_model->GetItemAt(active_index);
    744   ProfileItemView* item_view = new ProfileItemView(item, this);
    745   item_view->SetAccessibleName(l10n_util::GetStringFUTF16(
    746       IDS_PROFILES_SWITCH_TO_PROFILE_ACCESSIBLE_NAME, item.name));
    747   item_views_.push_back(item_view);
    748   AddChildView(item_view);
    749   separator_ = new views::Separator(views::Separator::HORIZONTAL);
    750   AddChildView(separator_);
    751 
    752   // Add information about managed users.
    753   managed_user_info_ =
    754       new views::Label(avatar_menu_model_->GetManagedUserInformation(),
    755                        ui::ResourceBundle::GetSharedInstance().GetFont(
    756                            ui::ResourceBundle::SmallFont));
    757   managed_user_info_->SetMultiLine(true);
    758   managed_user_info_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
    759   managed_user_info_->SetBackgroundColor(color());
    760   AddChildView(managed_user_info_);
    761 
    762   // Add the managed user icon.
    763   icon_view_ = new views::ImageView();
    764   icon_view_->SetImage(avatar_menu_model_->GetManagedUserIcon().ToImageSkia());
    765   AddChildView(icon_view_);
    766 
    767   // Add a link for switching profiles.
    768   separator_switch_users_ = new views::Separator(views::Separator::HORIZONTAL);
    769   AddChildView(separator_switch_users_);
    770   switch_profile_link_ = new views::Link(
    771       l10n_util::GetStringUTF16(IDS_PROFILES_SWITCH_PROFILE_LINK));
    772   switch_profile_link_->set_listener(this);
    773   switch_profile_link_->SetHorizontalAlignment(gfx::ALIGN_CENTER);
    774   switch_profile_link_->SetBackgroundColor(color());
    775   AddChildView(switch_profile_link_);
    776 }
    777 
    778 void AvatarMenuBubbleView::OnAvatarMenuModelChanged(
    779     AvatarMenuModel* avatar_menu_model) {
    780   // Unset all our child view references and call RemoveAllChildViews() which
    781   // will actually delete them.
    782   buttons_view_ = NULL;
    783   managed_user_info_ = NULL;
    784   item_views_.clear();
    785   RemoveAllChildViews(true);
    786 
    787   if (avatar_menu_model_->GetManagedUserInformation().empty() || expanded_)
    788     InitMenuContents(avatar_menu_model);
    789   else
    790     InitManagedUserContents(avatar_menu_model);
    791 
    792   // If the bubble has already been shown then resize and reposition the bubble.
    793   Layout();
    794   if (GetBubbleFrameView())
    795     SizeToContents();
    796 }
    797 
    798 void AvatarMenuBubbleView::SetBackgroundColors() {
    799   for (size_t i = 0; i < item_views_.size(); ++i) {
    800     item_views_[i]->OnHighlightStateChanged();
    801   }
    802 }
    803