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      1 // Copyright 2014 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/profiles/avatar_menu_bubble_view.h"
      6 
      7 #include <algorithm>
      8 
      9 #include "base/strings/string16.h"
     10 #include "base/strings/utf_string_conversions.h"
     11 #include "chrome/app/chrome_command_ids.h"
     12 #include "chrome/browser/browser_process.h"
     13 #include "chrome/browser/profiles/avatar_menu.h"
     14 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
     15 #include "chrome/browser/profiles/profile_info_cache.h"
     16 #include "chrome/browser/profiles/profile_manager.h"
     17 #include "chrome/browser/profiles/profile_window.h"
     18 #include "chrome/browser/signin/signin_manager_factory.h"
     19 #include "chrome/browser/ui/browser.h"
     20 #include "chrome/browser/ui/browser_commands.h"
     21 #include "chrome/browser/ui/browser_list.h"
     22 #include "chrome/browser/ui/browser_window.h"
     23 #include "chrome/browser/ui/chrome_pages.h"
     24 #include "chrome/common/url_constants.h"
     25 #include "chrome/grit/generated_resources.h"
     26 #include "components/signin/core/browser/signin_manager.h"
     27 #include "components/signin/core/common/profile_management_switches.h"
     28 #include "content/public/browser/page_navigator.h"
     29 #include "content/public/browser/web_contents.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 base::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 base::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 }  // namespace
    199 
    200 // ProfileItemView ------------------------------------------------------------
    201 
    202 // Control that shows information about a single profile.
    203 class ProfileItemView : public views::CustomButton,
    204                         public HighlightDelegate {
    205  public:
    206   ProfileItemView(const AvatarMenu::Item& item,
    207                   AvatarMenuBubbleView* parent,
    208                   AvatarMenu* menu);
    209 
    210   virtual gfx::Size GetPreferredSize() const OVERRIDE;
    211   virtual void Layout() OVERRIDE;
    212   virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
    213   virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
    214   virtual void OnFocus() OVERRIDE;
    215   virtual void OnBlur() OVERRIDE;
    216 
    217   virtual void OnHighlightStateChanged() OVERRIDE;
    218   virtual void OnFocusStateChanged(bool has_focus) OVERRIDE;
    219 
    220   const AvatarMenu::Item& item() const { return item_; }
    221   EditProfileLink* edit_link() { return edit_link_; }
    222 
    223  private:
    224   gfx::ImageSkia GetBadgedIcon(const gfx::ImageSkia& icon);
    225 
    226   bool IsHighlighted();
    227 
    228   AvatarMenu::Item item_;
    229   AvatarMenuBubbleView* parent_;
    230   AvatarMenu* menu_;
    231   views::ImageView* image_view_;
    232   views::Label* name_label_;
    233   views::Label* sync_state_label_;
    234   EditProfileLink* edit_link_;
    235 
    236   DISALLOW_COPY_AND_ASSIGN(ProfileItemView);
    237 };
    238 
    239 ProfileItemView::ProfileItemView(const AvatarMenu::Item& item,
    240                                  AvatarMenuBubbleView* parent,
    241                                  AvatarMenu* menu)
    242     : views::CustomButton(parent),
    243       item_(item),
    244       parent_(parent),
    245       menu_(menu) {
    246   set_notify_enter_exit_on_child(true);
    247 
    248   // Create an image-view for the profile. Make sure it ignores events so that
    249   // the parent can receive the events instead.
    250   image_view_ = new views::ImageView();
    251   image_view_->set_interactive(false);
    252 
    253   // GetSizedAvatarIcon will resize the icon in case it's too large.
    254   const gfx::ImageSkia profile_icon = *profiles::GetSizedAvatarIcon(item_.icon,
    255       false, profiles::kAvatarIconWidth, kItemHeight).ToImageSkia();
    256   if (item_.active || item_.signin_required)
    257     image_view_->SetImage(GetBadgedIcon(profile_icon));
    258   else
    259     image_view_->SetImage(profile_icon);
    260   AddChildView(image_view_);
    261 
    262   // Add a label to show the profile name.
    263   ui::ResourceBundle* rb = &ui::ResourceBundle::GetSharedInstance();
    264   name_label_ = new views::Label(item_.name,
    265                                  rb->GetFontList(item_.active ?
    266                                                  ui::ResourceBundle::BoldFont :
    267                                                  ui::ResourceBundle::BaseFont));
    268   name_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
    269   AddChildView(name_label_);
    270 
    271   // Add a label to show the sync state.
    272   sync_state_label_ = new views::Label(item_.sync_state);
    273   if (item_.signed_in)
    274     sync_state_label_->SetElideBehavior(gfx::ELIDE_EMAIL);
    275   sync_state_label_->SetFontList(
    276       rb->GetFontList(ui::ResourceBundle::SmallFont));
    277   sync_state_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
    278   sync_state_label_->SetEnabled(false);
    279   AddChildView(sync_state_label_);
    280 
    281   // Add an edit profile link.
    282   edit_link_ = new EditProfileLink(
    283       l10n_util::GetStringUTF16(IDS_PROFILES_EDIT_PROFILE_LINK), this);
    284   edit_link_->set_listener(parent);
    285   edit_link_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
    286   AddChildView(edit_link_);
    287 
    288   OnHighlightStateChanged();
    289 }
    290 
    291 gfx::Size ProfileItemView::GetPreferredSize() const {
    292   int text_width = std::max(name_label_->GetPreferredSize().width(),
    293                             sync_state_label_->GetPreferredSize().width());
    294   text_width = std::max(edit_link_->GetPreferredSize().width(), text_width);
    295   text_width = std::min(kMaxItemTextWidth, text_width);
    296   return gfx::Size(profiles::kAvatarIconWidth + kIconMarginX + text_width,
    297                    kItemHeight);
    298 }
    299 
    300 void ProfileItemView::Layout() {
    301   // Profile icon.
    302   gfx::Rect icon_rect;
    303   if (item_.active) {
    304     // If this is the active item then the icon is already scaled and so
    305     // just use the preferred size.
    306     icon_rect.set_size(image_view_->GetPreferredSize());
    307     icon_rect.set_y((height() - icon_rect.height()) / 2);
    308   } else {
    309     const gfx::ImageSkia& icon = image_view_->GetImage();
    310     icon_rect = GetCenteredAndScaledRect(icon.width(), icon.height(), 0, 0,
    311         profiles::kAvatarIconWidth, height());
    312   }
    313   image_view_->SetBoundsRect(icon_rect);
    314 
    315   int label_x = profiles::kAvatarIconWidth + kIconMarginX;
    316   int max_label_width = std::max(width() - label_x, 0);
    317   gfx::Size name_size = name_label_->GetPreferredSize();
    318   name_size.set_width(std::min(name_size.width(), max_label_width));
    319   gfx::Size state_size = sync_state_label_->GetPreferredSize();
    320   state_size.set_width(std::min(state_size.width(), max_label_width));
    321   gfx::Size edit_size = edit_link_->GetPreferredSize();
    322   edit_size.set_width(std::min(edit_size.width(), max_label_width));
    323 
    324   const int kNameStatePaddingY = 2;
    325   int labels_height = name_size.height() + kNameStatePaddingY +
    326       std::max(state_size.height(), edit_size.height());
    327   int y = (height() - labels_height) / 2;
    328   name_label_->SetBounds(label_x, y, name_size.width(), name_size.height());
    329 
    330   int bottom = y + labels_height;
    331   sync_state_label_->SetBounds(label_x, bottom - state_size.height(),
    332                                state_size.width(), state_size.height());
    333   // The edit link overlaps the sync state label.
    334   edit_link_->SetBounds(label_x, bottom - edit_size.height(),
    335                         edit_size.width(), edit_size.height());
    336 }
    337 
    338 void ProfileItemView::OnMouseEntered(const ui::MouseEvent& event) {
    339   views::CustomButton::OnMouseEntered(event);
    340   OnHighlightStateChanged();
    341 }
    342 
    343 void ProfileItemView::OnMouseExited(const ui::MouseEvent& event) {
    344   views::CustomButton::OnMouseExited(event);
    345   OnHighlightStateChanged();
    346 }
    347 
    348 void ProfileItemView::OnFocus() {
    349   views::CustomButton::OnFocus();
    350   OnFocusStateChanged(true);
    351 }
    352 
    353 void ProfileItemView::OnBlur() {
    354   views::CustomButton::OnBlur();
    355   OnFocusStateChanged(false);
    356 }
    357 
    358 void ProfileItemView::OnHighlightStateChanged() {
    359   const SkColor color = IsHighlighted() ? kHighlightColor : parent_->color();
    360   set_background(views::Background::CreateSolidBackground(color));
    361   name_label_->SetBackgroundColor(color);
    362   sync_state_label_->SetBackgroundColor(color);
    363   edit_link_->SetBackgroundColor(color);
    364 
    365   bool show_edit = IsHighlighted() && item_.active &&
    366       menu_->ShouldShowEditProfileLink();
    367   sync_state_label_->SetVisible(!show_edit);
    368   edit_link_->SetVisible(show_edit);
    369   SchedulePaint();
    370 }
    371 
    372 void ProfileItemView::OnFocusStateChanged(bool has_focus) {
    373   if (!has_focus && state() != views::CustomButton::STATE_DISABLED)
    374     SetState(views::CustomButton::STATE_NORMAL);
    375   OnHighlightStateChanged();
    376 }
    377 
    378 // static
    379 gfx::ImageSkia ProfileItemView::GetBadgedIcon(const gfx::ImageSkia& icon) {
    380   ui::ResourceBundle* rb = &ui::ResourceBundle::GetSharedInstance();
    381   const gfx::ImageSkia* badge = NULL;
    382 
    383   if (item_.active)
    384     badge = rb->GetImageSkiaNamed(IDR_PROFILE_SELECTED);
    385   else if (item_.signin_required)  // TODO(bcwhite): create new icon
    386     badge = rb->GetImageSkiaNamed(IDR_OMNIBOX_HTTPS_VALID);
    387   else
    388     NOTREACHED();  // function should only be called if one of above is true
    389 
    390   gfx::Size icon_size = GetCenteredAndScaledRect(icon.width(), icon.height(),
    391       0, 0, profiles::kAvatarIconWidth, kItemHeight).size();
    392   gfx::CanvasImageSource* source =
    393       new BadgeImageSource(icon, icon_size, *badge);
    394   // ImageSkia takes ownership of |source|.
    395   return gfx::ImageSkia(source, source->size());
    396 }
    397 
    398 bool ProfileItemView::IsHighlighted() {
    399   return state() == views::CustomButton::STATE_PRESSED ||
    400          state() == views::CustomButton::STATE_HOVERED ||
    401          edit_link_->state() == views::CustomButton::STATE_PRESSED ||
    402          edit_link_->state() == views::CustomButton::STATE_HOVERED ||
    403          HasFocus() ||
    404          edit_link_->HasFocus();
    405 }
    406 
    407 
    408 // ActionButtonView -----------------------------------------------------------
    409 
    410 // A custom view that manages the "action" buttons at the bottom of the list
    411 // of profiles.
    412 class ActionButtonView : public views::View {
    413  public:
    414   ActionButtonView(views::ButtonListener* listener, Profile* profile);
    415 
    416  private:
    417   views::LabelButton* manage_button_;
    418   views::LabelButton* signout_button_;
    419 
    420   DISALLOW_COPY_AND_ASSIGN(ActionButtonView);
    421 };
    422 
    423 
    424 ActionButtonView::ActionButtonView(views::ButtonListener* listener,
    425                                    Profile* profile)
    426   : manage_button_(NULL),
    427     signout_button_(NULL) {
    428   std::string username;
    429   SigninManagerBase* signin =
    430       SigninManagerFactory::GetForProfile(profile);
    431   if (signin != NULL)
    432     username = signin->GetAuthenticatedUsername();
    433 
    434   manage_button_ = new views::LabelButton(
    435       listener, l10n_util::GetStringUTF16(IDS_PROFILES_MANAGE_PROFILES_BUTTON));
    436   manage_button_->SetStyle(views::Button::STYLE_BUTTON);
    437   manage_button_->SetTooltipText(
    438       l10n_util::GetStringUTF16(IDS_PROFILES_MANAGE_PROFILES_BUTTON_TIP));
    439   manage_button_->set_tag(IDS_PROFILES_MANAGE_PROFILES_BUTTON);
    440 
    441   signout_button_ = new views::LabelButton(
    442       listener, l10n_util::GetStringUTF16(IDS_PROFILES_PROFILE_SIGNOUT_BUTTON));
    443   signout_button_->SetStyle(views::Button::STYLE_BUTTON);
    444   if (username.empty()) {
    445     signout_button_->SetTooltipText(
    446         l10n_util::GetStringUTF16(
    447             IDS_PROFILES_PROFILE_SIGNOUT_BUTTON_TIP_UNAVAILABLE));
    448     signout_button_->SetEnabled(false);
    449   } else {
    450     signout_button_->SetTooltipText(
    451         l10n_util::GetStringFUTF16(IDS_PROFILES_PROFILE_SIGNOUT_BUTTON_TIP,
    452                                    base::UTF8ToUTF16(username)));
    453   }
    454   signout_button_->set_tag(IDS_PROFILES_PROFILE_SIGNOUT_BUTTON);
    455 
    456   views::GridLayout* layout = new views::GridLayout(this);
    457   views::ColumnSet* columns = layout->AddColumnSet(0);
    458   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 1,
    459                      views::GridLayout::USE_PREF, 0, 0);
    460   columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::FILL, 1,
    461                      views::GridLayout::USE_PREF, 0, 0);
    462   layout->StartRow(0, 0);
    463   layout->AddView(signout_button_);
    464   layout->AddView(manage_button_);
    465   SetLayoutManager(layout);
    466 }
    467 
    468 
    469 // AvatarMenuBubbleView -------------------------------------------------------
    470 
    471 // static
    472 AvatarMenuBubbleView* AvatarMenuBubbleView::avatar_bubble_ = NULL;
    473 bool AvatarMenuBubbleView::close_on_deactivate_for_testing_ = true;
    474 
    475 // static
    476 void AvatarMenuBubbleView::ShowBubble(
    477     views::View* anchor_view,
    478     views::BubbleBorder::Arrow arrow,
    479     views::BubbleBorder::ArrowPaintType arrow_paint_type,
    480     views::BubbleBorder::BubbleAlignment border_alignment,
    481     const gfx::Rect& anchor_rect,
    482     Browser* browser) {
    483   if (IsShowing())
    484     return;
    485 
    486   DCHECK(chrome::IsCommandEnabled(browser, IDC_SHOW_AVATAR_MENU));
    487   avatar_bubble_ = new AvatarMenuBubbleView(
    488       anchor_view, arrow, anchor_rect, browser);
    489   views::BubbleDelegateView::CreateBubble(avatar_bubble_);
    490   avatar_bubble_->set_close_on_deactivate(close_on_deactivate_for_testing_);
    491   avatar_bubble_->SetBackgroundColors();
    492   avatar_bubble_->SetAlignment(border_alignment);
    493   avatar_bubble_->SetArrowPaintType(arrow_paint_type);
    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       supervised_user_info_(NULL),
    519       separator_switch_users_(NULL),
    520       switch_profile_link_(nullptr),
    521       expanded_(false) {
    522   avatar_menu_.reset(new AvatarMenu(
    523       &g_browser_process->profile_manager()->GetProfileInfoCache(),
    524       this,
    525       browser_));
    526   avatar_menu_->RebuildMenu();
    527 }
    528 
    529 AvatarMenuBubbleView::~AvatarMenuBubbleView() {
    530 }
    531 
    532 gfx::Size AvatarMenuBubbleView::GetPreferredSize() const {
    533   const int kBubbleViewMinWidth = 175;
    534   gfx::Size preferred_size(kBubbleViewMinWidth, 0);
    535   for (size_t i = 0; i < item_views_.size(); ++i) {
    536     gfx::Size size = item_views_[i]->GetPreferredSize();
    537     preferred_size.Enlarge(0, size.height() + kItemMarginY);
    538     preferred_size.SetToMax(size);
    539   }
    540 
    541   if (buttons_view_) {
    542     preferred_size.Enlarge(
    543         0, kSeparatorPaddingY * 2 + separator_->GetPreferredSize().height());
    544 
    545     gfx::Size buttons_size = buttons_view_->GetPreferredSize();
    546     preferred_size.Enlarge(0, buttons_size.height());
    547     preferred_size.SetToMax(buttons_size);
    548   }
    549 
    550 
    551   if (supervised_user_info_) {
    552     // First handle the switch profile link because it can still affect the
    553     // preferred width.
    554     gfx::Size size = switch_profile_link_->GetPreferredSize();
    555     preferred_size.Enlarge(0, size.height());
    556     preferred_size.SetToMax(size);
    557 
    558     // Add the height of the two separators.
    559     preferred_size.Enlarge(
    560         0,
    561         kSeparatorPaddingY * 4 + separator_->GetPreferredSize().height() * 2);
    562   }
    563 
    564   const int kBubbleViewMaxWidth = 800;
    565   preferred_size.SetToMin(
    566       gfx::Size(kBubbleViewMaxWidth, preferred_size.height()));
    567 
    568   // We have to do this after the final width is calculated, since the label
    569   // will wrap based on the width.
    570   if (supervised_user_info_) {
    571     int remaining_width =
    572         preferred_size.width() - icon_view_->GetPreferredSize().width() -
    573         views::kRelatedControlSmallHorizontalSpacing;
    574     preferred_size.Enlarge(
    575         0,
    576         supervised_user_info_->GetHeightForWidth(remaining_width) +
    577             kItemMarginY);
    578   }
    579 
    580   return preferred_size;
    581 }
    582 
    583 void AvatarMenuBubbleView::Layout() {
    584   int y = 0;
    585   for (size_t i = 0; i < item_views_.size(); ++i) {
    586     views::CustomButton* item_view = item_views_[i];
    587     int item_height = item_view->GetPreferredSize().height();
    588     int item_width = width();
    589     item_view->SetBounds(0, y, item_width, item_height);
    590     y += item_height + kItemMarginY;
    591   }
    592 
    593   int separator_height = 0;
    594   if (buttons_view_ || supervised_user_info_) {
    595     separator_height = separator_->GetPreferredSize().height();
    596     y += kSeparatorPaddingY;
    597     separator_->SetBounds(0, y, width(), separator_height);
    598     y += kSeparatorPaddingY + separator_height;
    599   }
    600 
    601   if (buttons_view_) {
    602     buttons_view_->SetBounds(0, y,
    603         width(), buttons_view_->GetPreferredSize().height());
    604   } else if (supervised_user_info_) {
    605     gfx::Size icon_size = icon_view_->GetPreferredSize();
    606     gfx::Rect icon_bounds(0, y, icon_size.width(), icon_size.height());
    607     icon_view_->SetBoundsRect(icon_bounds);
    608     int info_width = width() - icon_bounds.right() -
    609                      views::kRelatedControlSmallHorizontalSpacing;
    610     int height = supervised_user_info_->GetHeightForWidth(info_width);
    611     supervised_user_info_->SetBounds(
    612         icon_bounds.right() + views::kRelatedControlSmallHorizontalSpacing,
    613         y, info_width, height);
    614     y += height + kItemMarginY + kSeparatorPaddingY;
    615     separator_switch_users_->SetBounds(0, y, width(), separator_height);
    616     y += separator_height + kSeparatorPaddingY;
    617     int link_height = switch_profile_link_->GetPreferredSize().height();
    618     switch_profile_link_->SetBounds(0, y, width(), link_height);
    619   }
    620 }
    621 
    622 bool AvatarMenuBubbleView::AcceleratorPressed(
    623     const ui::Accelerator& accelerator) {
    624   if (accelerator.key_code() != ui::VKEY_DOWN &&
    625       accelerator.key_code() != ui::VKEY_UP)
    626     return BubbleDelegateView::AcceleratorPressed(accelerator);
    627 
    628   if (item_views_.empty())
    629     return true;
    630 
    631   // Find the currently focused item. Note that if there is no focused item, the
    632   // code below correctly handles a |focus_index| of -1.
    633   int focus_index = -1;
    634   for (size_t i = 0; i < item_views_.size(); ++i) {
    635     if (item_views_[i]->HasFocus()) {
    636       focus_index = i;
    637       break;
    638     }
    639   }
    640 
    641   // Moved the focus up or down by 1.
    642   if (accelerator.key_code() == ui::VKEY_DOWN)
    643     focus_index = (focus_index + 1) % item_views_.size();
    644   else
    645     focus_index = ((focus_index > 0) ? focus_index : item_views_.size()) - 1;
    646   item_views_[focus_index]->RequestFocus();
    647 
    648   return true;
    649 }
    650 
    651 void AvatarMenuBubbleView::ButtonPressed(views::Button* sender,
    652                                          const ui::Event& event) {
    653   if (sender->tag() == IDS_PROFILES_MANAGE_PROFILES_BUTTON) {
    654     std::string subpage = chrome::kSearchUsersSubPage;
    655     chrome::ShowSettingsSubPage(browser_, subpage);
    656     return;
    657   } else if (sender->tag() == IDS_PROFILES_PROFILE_SIGNOUT_BUTTON) {
    658     profiles::LockProfile(browser_->profile());
    659     return;
    660   }
    661 
    662   for (size_t i = 0; i < item_views_.size(); ++i) {
    663     ProfileItemView* item_view = item_views_[i];
    664     if (sender == item_view) {
    665       // Clicking on the active profile shouldn't do anything.
    666       if (!item_view->item().active) {
    667         avatar_menu_->SwitchToProfile(
    668             i, ui::DispositionFromEventFlags(event.flags()) == NEW_WINDOW,
    669             ProfileMetrics::SWITCH_PROFILE_ICON);
    670       }
    671       break;
    672     }
    673   }
    674 }
    675 
    676 void AvatarMenuBubbleView::LinkClicked(views::Link* source, int event_flags) {
    677   if (source == buttons_view_) {
    678     avatar_menu_->AddNewProfile(ProfileMetrics::ADD_NEW_USER_ICON);
    679     return;
    680   }
    681   if (source == switch_profile_link_) {
    682     expanded_ = true;
    683     OnAvatarMenuChanged(avatar_menu_.get());
    684     return;
    685   }
    686 
    687   for (size_t i = 0; i < item_views_.size(); ++i) {
    688     ProfileItemView* item_view = item_views_[i];
    689     if (source == item_view->edit_link()) {
    690       avatar_menu_->EditProfile(i);
    691       return;
    692     }
    693   }
    694 }
    695 
    696 gfx::Rect AvatarMenuBubbleView::GetAnchorRect() const {
    697   return anchor_rect_;
    698 }
    699 
    700 void AvatarMenuBubbleView::Init() {
    701   // Build the menu for the first time.
    702   OnAvatarMenuChanged(avatar_menu_.get());
    703   AddAccelerator(ui::Accelerator(ui::VKEY_DOWN, ui::EF_NONE));
    704   AddAccelerator(ui::Accelerator(ui::VKEY_UP, ui::EF_NONE));
    705 }
    706 
    707 void AvatarMenuBubbleView::WindowClosing() {
    708   DCHECK_EQ(avatar_bubble_, this);
    709   avatar_bubble_ = NULL;
    710 }
    711 
    712 void AvatarMenuBubbleView::InitMenuContents(
    713     AvatarMenu* avatar_menu) {
    714   for (size_t i = 0; i < avatar_menu->GetNumberOfItems(); ++i) {
    715     const AvatarMenu::Item& item = avatar_menu->GetItemAt(i);
    716     ProfileItemView* item_view = new ProfileItemView(item,
    717                                                      this,
    718                                                      avatar_menu_.get());
    719     item_view->SetAccessibleName(l10n_util::GetStringFUTF16(
    720         IDS_PROFILES_SWITCH_TO_PROFILE_ACCESSIBLE_NAME, item.name));
    721     item_view->SetFocusable(true);
    722     AddChildView(item_view);
    723     item_views_.push_back(item_view);
    724   }
    725 
    726   if (avatar_menu_->ShouldShowAddNewProfileLink()) {
    727     views::Link* add_profile_link = new views::Link(
    728         l10n_util::GetStringUTF16(IDS_PROFILES_CREATE_NEW_PROFILE_LINK));
    729     add_profile_link->set_listener(this);
    730     add_profile_link->SetHorizontalAlignment(gfx::ALIGN_CENTER);
    731     add_profile_link->SetBackgroundColor(color());
    732     separator_ = new views::Separator(views::Separator::HORIZONTAL);
    733     AddChildView(separator_);
    734     buttons_view_ = add_profile_link;
    735     AddChildView(buttons_view_);
    736   }
    737 }
    738 
    739 void AvatarMenuBubbleView::InitSupervisedUserContents(
    740     AvatarMenu* avatar_menu) {
    741   // Show the profile of the supervised user.
    742   size_t active_index = avatar_menu->GetActiveProfileIndex();
    743   const AvatarMenu::Item& item =
    744       avatar_menu->GetItemAt(active_index);
    745   ProfileItemView* item_view = new ProfileItemView(item,
    746                                                    this,
    747                                                    avatar_menu_.get());
    748   item_view->SetAccessibleName(l10n_util::GetStringFUTF16(
    749       IDS_PROFILES_SWITCH_TO_PROFILE_ACCESSIBLE_NAME, item.name));
    750   item_views_.push_back(item_view);
    751   AddChildView(item_view);
    752   separator_ = new views::Separator(views::Separator::HORIZONTAL);
    753   AddChildView(separator_);
    754 
    755   // Add information about supervised users.
    756   supervised_user_info_ =
    757       new views::Label(avatar_menu_->GetSupervisedUserInformation(),
    758                        ui::ResourceBundle::GetSharedInstance().GetFontList(
    759                            ui::ResourceBundle::SmallFont));
    760   supervised_user_info_->SetMultiLine(true);
    761   supervised_user_info_->SetAllowCharacterBreak(true);
    762   supervised_user_info_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
    763   supervised_user_info_->SetBackgroundColor(color());
    764   AddChildView(supervised_user_info_);
    765 
    766   // Add the supervised user icon.
    767   icon_view_ = new views::ImageView();
    768   icon_view_->SetImage(avatar_menu_->GetSupervisedUserIcon().ToImageSkia());
    769   AddChildView(icon_view_);
    770 
    771   // Add a link for switching profiles.
    772   separator_switch_users_ = new views::Separator(views::Separator::HORIZONTAL);
    773   AddChildView(separator_switch_users_);
    774   switch_profile_link_ = new views::Link(
    775       l10n_util::GetStringUTF16(IDS_PROFILES_SWITCH_PROFILE_LINK));
    776   switch_profile_link_->set_listener(this);
    777   switch_profile_link_->SetHorizontalAlignment(gfx::ALIGN_CENTER);
    778   switch_profile_link_->SetBackgroundColor(color());
    779   AddChildView(switch_profile_link_);
    780 }
    781 
    782 void AvatarMenuBubbleView::OnAvatarMenuChanged(
    783     AvatarMenu* avatar_menu) {
    784   // Unset all our child view references and call RemoveAllChildViews() which
    785   // will actually delete them.
    786   buttons_view_ = NULL;
    787   supervised_user_info_ = NULL;
    788   item_views_.clear();
    789   RemoveAllChildViews(true);
    790 
    791   if (avatar_menu_->GetSupervisedUserInformation().empty() || expanded_)
    792     InitMenuContents(avatar_menu);
    793   else
    794     InitSupervisedUserContents(avatar_menu);
    795 
    796   // If the bubble has already been shown then resize and reposition the bubble.
    797   Layout();
    798   if (GetBubbleFrameView())
    799     SizeToContents();
    800 }
    801 
    802 void AvatarMenuBubbleView::SetBackgroundColors() {
    803   for (size_t i = 0; i < item_views_.size(); ++i) {
    804     item_views_[i]->OnHighlightStateChanged();
    805   }
    806 }
    807