src/chrome/browser/ui/views/toolbar/wrench_menu.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/toolbar/wrench_menu.h"
   6
   7 #include <algorithm>
   8 #include <cmath>
   9 #include <set>
  10
  11 #include "base/strings/string_number_conversions.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "chrome/app/chrome_command_ids.h"
  14 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
  15 #include "chrome/browser/bookmarks/bookmark_stats.h"
  16 #include "chrome/browser/chrome_notification_types.h"
  17 #include "chrome/browser/profiles/profile.h"
  18 #include "chrome/browser/search/search.h"
  19 #include "chrome/browser/ui/browser.h"
  20 #include "chrome/browser/ui/browser_window.h"
  21 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  22 #include "chrome/browser/ui/toolbar/wrench_menu_model.h"
  23 #include "chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.h"
  24 #include "chrome/browser/ui/views/toolbar/extension_toolbar_menu_view.h"
  25 #include "chrome/browser/ui/views/toolbar/wrench_menu_observer.h"
  26 #include "chrome/browser/ui/zoom/zoom_controller.h"
  27 #include "chrome/browser/ui/zoom/zoom_event_manager.h"
  28 #include "chrome/grit/generated_resources.h"
  29 #include "components/bookmarks/browser/bookmark_model.h"
  30 #include "content/public/browser/host_zoom_map.h"
  31 #include "content/public/browser/notification_observer.h"
  32 #include "content/public/browser/notification_registrar.h"
  33 #include "content/public/browser/notification_source.h"
  34 #include "content/public/browser/notification_types.h"
  35 #include "content/public/browser/user_metrics.h"
  36 #include "content/public/browser/web_contents.h"
  37 #include "extensions/common/feature_switch.h"
  38 #include "grit/theme_resources.h"
  39 #include "third_party/skia/include/core/SkCanvas.h"
  40 #include "third_party/skia/include/core/SkPaint.h"
  41 #include "ui/base/l10n/l10n_util.h"
  42 #include "ui/base/layout.h"
  43 #include "ui/base/resource/resource_bundle.h"
  44 #include "ui/gfx/canvas.h"
  45 #include "ui/gfx/font_list.h"
  46 #include "ui/gfx/image/image.h"
  47 #include "ui/gfx/image/image_skia_source.h"
  48 #include "ui/gfx/skia_util.h"
  49 #include "ui/gfx/text_utils.h"
  50 #include "ui/views/background.h"
  51 #include "ui/views/controls/button/image_button.h"
  52 #include "ui/views/controls/button/label_button.h"
  53 #include "ui/views/controls/button/menu_button.h"
  54 #include "ui/views/controls/label.h"
  55 #include "ui/views/controls/menu/menu_config.h"
  56 #include "ui/views/controls/menu/menu_item_view.h"
  57 #include "ui/views/controls/menu/menu_model_adapter.h"
  58 #include "ui/views/controls/menu/menu_runner.h"
  59 #include "ui/views/controls/menu/menu_scroll_view_container.h"
  60 #include "ui/views/controls/menu/submenu_view.h"
  61 #include "ui/views/widget/widget.h"
  62
  63 using base::UserMetricsAction;
  64 using content::HostZoomMap;
  65 using content::WebContents;
  66 using ui::MenuModel;
  67 using views::CustomButton;
  68 using views::ImageButton;
  69 using views::Label;
  70 using views::LabelButton;
  71 using views::MenuConfig;
  72 using views::MenuItemView;
  73 using views::View;
  74
  75 namespace {
  76
  77 // Horizontal padding on the edges of the in-menu buttons.
  78 const int kHorizontalPadding = 15;
  79
  80 #if defined(OS_CHROMEOS)
  81 // Extra horizontal space to reserve for the fullscreen button.
  82 const int kFullscreenPadding = 74;
  83 // Padding to left and right of the XX% label.
  84 const int kZoomLabelHorizontalPadding = kHorizontalPadding;
  85 #else
  86 const int kFullscreenPadding = 38;
  87 const int kZoomLabelHorizontalPadding = 2;
  88 #endif
  89
  90 // Returns true if |command_id| identifies a bookmark menu item.
  91 bool IsBookmarkCommand(int command_id) {
  92   return command_id >= WrenchMenuModel::kMinBookmarkCommandId &&
  93       command_id <= WrenchMenuModel::kMaxBookmarkCommandId;
  94 }
  95
  96 // Returns true if |command_id| identifies a recent tabs menu item.
  97 bool IsRecentTabsCommand(int command_id) {
  98   return command_id >= WrenchMenuModel::kMinRecentTabsCommandId &&
  99       command_id <= WrenchMenuModel::kMaxRecentTabsCommandId;
 100 }
 101
 102 // Subclass of ImageButton whose preferred size includes the size of the border.
 103 class FullscreenButton : public ImageButton {
 104  public:
 105   explicit FullscreenButton(views::ButtonListener* listener)
 106       : ImageButton(listener) { }
 107
 108   // Overridden from ImageButton.
 109   gfx::Size GetPreferredSize() const override {
 110     gfx::Size pref = ImageButton::GetPreferredSize();
 111     if (border()) {
 112       gfx::Insets insets = border()->GetInsets();
 113       pref.Enlarge(insets.width(), insets.height());
 114     }
 115     return pref;
 116   }
 117
 118  private:
 119   DISALLOW_COPY_AND_ASSIGN(FullscreenButton);
 120 };
 121
 122 // Combination border/background for the buttons contained in the menu. The
 123 // painting of the border/background is done here as LabelButton does not always
 124 // paint the border.
 125 class InMenuButtonBackground : public views::Background {
 126  public:
 127   enum ButtonType {
 128     LEFT_BUTTON,
 129     CENTER_BUTTON,
 130     RIGHT_BUTTON,
 131     SINGLE_BUTTON,
 132   };
 133
 134   explicit InMenuButtonBackground(ButtonType type)
 135       : type_(type), left_button_(NULL), right_button_(NULL) {}
 136
 137   // Used when the type is CENTER_BUTTON to determine if the left/right edge
 138   // needs to be rendered selected.
 139   void SetOtherButtons(const CustomButton* left_button,
 140                        const CustomButton* right_button) {
 141     if (base::i18n::IsRTL()) {
 142       left_button_ = right_button;
 143       right_button_ = left_button;
 144     } else {
 145       left_button_ = left_button;
 146       right_button_ = right_button;
 147     }
 148   }
 149
 150   // Overridden from views::Background.
 151   void Paint(gfx::Canvas* canvas, View* view) const override {
 152     CustomButton* button = CustomButton::AsCustomButton(view);
 153     views::Button::ButtonState state =
 154         button ? button->state() : views::Button::STATE_NORMAL;
 155     int h = view->height();
 156
 157     // Normal buttons get a border drawn on the right side and the rest gets
 158     // filled in. The left button however does not get a line to combine
 159     // buttons.
 160     if (type_ != RIGHT_BUTTON) {
 161       canvas->FillRect(gfx::Rect(0, 0, 1, h),
 162                        BorderColor(view, views::Button::STATE_NORMAL));
 163     }
 164
 165     gfx::Rect bounds(view->GetLocalBounds());
 166     bounds.set_x(view->GetMirroredXForRect(bounds));
 167     DrawBackground(canvas, view, bounds, state);
 168   }
 169
 170  private:
 171   static SkColor BorderColor(View* view, views::Button::ButtonState state) {
 172     ui::NativeTheme* theme = view->GetNativeTheme();
 173     switch (state) {
 174       case views::Button::STATE_HOVERED:
 175         return theme->GetSystemColor(
 176             ui::NativeTheme::kColorId_HoverMenuButtonBorderColor);
 177       case views::Button::STATE_PRESSED:
 178         return theme->GetSystemColor(
 179             ui::NativeTheme::kColorId_FocusedMenuButtonBorderColor);
 180       default:
 181         return theme->GetSystemColor(
 182             ui::NativeTheme::kColorId_EnabledMenuButtonBorderColor);
 183     }
 184   }
 185
 186   static SkColor BackgroundColor(const View* view,
 187                                  views::Button::ButtonState state) {
 188     const ui::NativeTheme* theme = view->GetNativeTheme();
 189     switch (state) {
 190       case views::Button::STATE_HOVERED:
 191         // Hovered should be handled in DrawBackground.
 192         NOTREACHED();
 193         return theme->GetSystemColor(
 194             ui::NativeTheme::kColorId_HoverMenuItemBackgroundColor);
 195       case views::Button::STATE_PRESSED:
 196         return theme->GetSystemColor(
 197             ui::NativeTheme::kColorId_FocusedMenuItemBackgroundColor);
 198       default:
 199         return theme->GetSystemColor(
 200             ui::NativeTheme::kColorId_MenuBackgroundColor);
 201     }
 202   }
 203
 204   void DrawBackground(gfx::Canvas* canvas,
 205                       const views::View* view,
 206                       const gfx::Rect& bounds,
 207                       views::Button::ButtonState state) const {
 208     if (state == views::Button::STATE_HOVERED ||
 209         state == views::Button::STATE_PRESSED) {
 210       view->GetNativeTheme()->Paint(canvas->sk_canvas(),
 211                                     ui::NativeTheme::kMenuItemBackground,
 212                                     ui::NativeTheme::kHovered,
 213                                     bounds,
 214                                     ui::NativeTheme::ExtraParams());
 215     }
 216   }
 217
 218   ButtonType TypeAdjustedForRTL() const {
 219     if (!base::i18n::IsRTL())
 220       return type_;
 221
 222     switch (type_) {
 223       case LEFT_BUTTON:   return RIGHT_BUTTON;
 224       case RIGHT_BUTTON:  return LEFT_BUTTON;
 225       default:            break;
 226     }
 227     return type_;
 228   }
 229
 230   const ButtonType type_;
 231
 232   // See description above setter for details.
 233   const CustomButton* left_button_;
 234   const CustomButton* right_button_;
 235
 236   DISALLOW_COPY_AND_ASSIGN(InMenuButtonBackground);
 237 };
 238
 239 base::string16 GetAccessibleNameForWrenchMenuItem(
 240       MenuModel* model, int item_index, int accessible_string_id) {
 241   base::string16 accessible_name =
 242       l10n_util::GetStringUTF16(accessible_string_id);
 243   base::string16 accelerator_text;
 244
 245   ui::Accelerator menu_accelerator;
 246   if (model->GetAcceleratorAt(item_index, &menu_accelerator)) {
 247     accelerator_text =
 248         ui::Accelerator(menu_accelerator.key_code(),
 249                         menu_accelerator.modifiers()).GetShortcutText();
 250   }
 251
 252   return MenuItemView::GetAccessibleNameForMenuItem(
 253       accessible_name, accelerator_text);
 254 }
 255
 256 // A button that lives inside a menu item.
 257 class InMenuButton : public LabelButton {
 258  public:
 259   InMenuButton(views::ButtonListener* listener, const base::string16& text)
 260       : LabelButton(listener, text), in_menu_background_(NULL) {}
 261   ~InMenuButton() override {}
 262
 263   void Init(InMenuButtonBackground::ButtonType type) {
 264     SetFocusable(true);
 265     set_request_focus_on_press(false);
 266     SetHorizontalAlignment(gfx::ALIGN_CENTER);
 267
 268     in_menu_background_ = new InMenuButtonBackground(type);
 269     set_background(in_menu_background_);
 270
 271     OnNativeThemeChanged(NULL);
 272   }
 273
 274   void SetOtherButtons(const InMenuButton* left, const InMenuButton* right) {
 275     in_menu_background_->SetOtherButtons(left, right);
 276   }
 277
 278   // views::LabelButton
 279   void OnNativeThemeChanged(const ui::NativeTheme* theme) override {
 280     const MenuConfig& menu_config = MenuConfig::instance(theme);
 281     SetBorder(views::Border::CreateEmptyBorder(
 282         0, kHorizontalPadding, 0, kHorizontalPadding));
 283     SetFontList(menu_config.font_list);
 284
 285     if (theme) {
 286       SetTextColor(
 287           views::Button::STATE_DISABLED,
 288           theme->GetSystemColor(
 289               ui::NativeTheme::kColorId_DisabledMenuItemForegroundColor));
 290       SetTextColor(
 291           views::Button::STATE_HOVERED,
 292           theme->GetSystemColor(
 293               ui::NativeTheme::kColorId_SelectedMenuItemForegroundColor));
 294       SetTextColor(
 295           views::Button::STATE_PRESSED,
 296           theme->GetSystemColor(
 297               ui::NativeTheme::kColorId_SelectedMenuItemForegroundColor));
 298       SetTextColor(
 299           views::Button::STATE_NORMAL,
 300           theme->GetSystemColor(
 301               ui::NativeTheme::kColorId_EnabledMenuItemForegroundColor));
 302     }
 303   }
 304
 305  private:
 306   InMenuButtonBackground* in_menu_background_;
 307
 308   DISALLOW_COPY_AND_ASSIGN(InMenuButton);
 309 };
 310
 311 // WrenchMenuView is a view that can contain label buttons.
 312 class WrenchMenuView : public views::View,
 313                        public views::ButtonListener,
 314                        public WrenchMenuObserver {
 315  public:
 316   WrenchMenuView(WrenchMenu* menu, MenuModel* menu_model)
 317       : menu_(menu),
 318         menu_model_(menu_model) {
 319     menu_->AddObserver(this);
 320   }
 321
 322   ~WrenchMenuView() override {
 323     if (menu_)
 324       menu_->RemoveObserver(this);
 325   }
 326
 327   // Overridden from views::View.
 328   void SchedulePaintInRect(const gfx::Rect& r) override {
 329     // Normally when the mouse enters/exits a button the buttons invokes
 330     // SchedulePaint. As part of the button border (InMenuButtonBackground) is
 331     // rendered by the button to the left/right of it SchedulePaint on the the
 332     // button may not be enough, so this forces a paint all.
 333     View::SchedulePaintInRect(gfx::Rect(size()));
 334   }
 335
 336   InMenuButton* CreateAndConfigureButton(
 337       int string_id,
 338       InMenuButtonBackground::ButtonType type,
 339       int index) {
 340     return CreateButtonWithAccName(string_id, type, index, string_id);
 341   }
 342
 343   InMenuButton* CreateButtonWithAccName(int string_id,
 344                                         InMenuButtonBackground::ButtonType type,
 345                                         int index,
 346                                         int acc_string_id) {
 347     // Should only be invoked during construction when |menu_| is valid.
 348     DCHECK(menu_);
 349     InMenuButton* button = new InMenuButton(
 350         this,
 351         gfx::RemoveAcceleratorChar(
 352             l10n_util::GetStringUTF16(string_id), '&', NULL, NULL));
 353     button->Init(type);
 354     button->SetAccessibleName(
 355         GetAccessibleNameForWrenchMenuItem(menu_model_, index, acc_string_id));
 356     button->set_tag(index);
 357     button->SetEnabled(menu_model_->IsEnabledAt(index));
 358
 359     AddChildView(button);
 360     // all buttons on menu should must be a custom button in order for
 361     // the keyboard nativigation work.
 362     DCHECK(CustomButton::AsCustomButton(button));
 363     return button;
 364   }
 365
 366   // Overridden from WrenchMenuObserver:
 367   void WrenchMenuDestroyed() override {
 368     menu_->RemoveObserver(this);
 369     menu_ = NULL;
 370     menu_model_ = NULL;
 371   }
 372
 373  protected:
 374   WrenchMenu* menu() { return menu_; }
 375   MenuModel* menu_model() { return menu_model_; }
 376
 377  private:
 378   // Hosting WrenchMenu.
 379   // WARNING: this may be NULL during shutdown.
 380   WrenchMenu* menu_;
 381
 382   // The menu model containing the increment/decrement/reset items.
 383   // WARNING: this may be NULL during shutdown.
 384   MenuModel* menu_model_;
 385
 386   DISALLOW_COPY_AND_ASSIGN(WrenchMenuView);
 387 };
 388
 389 // Generate the button image for hover state.
 390 class HoveredImageSource : public gfx::ImageSkiaSource {
 391  public:
 392   HoveredImageSource(const gfx::ImageSkia& image, SkColor color)
 393       : image_(image),
 394         color_(color) {
 395   }
 396   ~HoveredImageSource() override {}
 397
 398   gfx::ImageSkiaRep GetImageForScale(float scale) override {
 399     const gfx::ImageSkiaRep& rep = image_.GetRepresentation(scale);
 400     SkBitmap bitmap = rep.sk_bitmap();
 401     SkBitmap white;
 402     white.allocN32Pixels(bitmap.width(), bitmap.height());
 403     white.eraseARGB(0, 0, 0, 0);
 404     bitmap.lockPixels();
 405     for (int y = 0; y < bitmap.height(); ++y) {
 406       uint32* image_row = bitmap.getAddr32(0, y);
 407       uint32* dst_row = white.getAddr32(0, y);
 408       for (int x = 0; x < bitmap.width(); ++x) {
 409         uint32 image_pixel = image_row[x];
 410         // Fill the non transparent pixels with |color_|.
 411         dst_row[x] = (image_pixel & 0xFF000000) == 0x0 ? 0x0 : color_;
 412       }
 413     }
 414     bitmap.unlockPixels();
 415     return gfx::ImageSkiaRep(white, scale);
 416   }
 417
 418  private:
 419   const gfx::ImageSkia image_;
 420   const SkColor color_;
 421   DISALLOW_COPY_AND_ASSIGN(HoveredImageSource);
 422 };
 423
 424 }  // namespace
 425
 426 // CutCopyPasteView ------------------------------------------------------------
 427
 428 // CutCopyPasteView is the view containing the cut/copy/paste buttons.
 429 class WrenchMenu::CutCopyPasteView : public WrenchMenuView {
 430  public:
 431   CutCopyPasteView(WrenchMenu* menu,
 432                    MenuModel* menu_model,
 433                    int cut_index,
 434                    int copy_index,
 435                    int paste_index)
 436       : WrenchMenuView(menu, menu_model) {
 437     InMenuButton* cut = CreateAndConfigureButton(
 438         IDS_CUT, InMenuButtonBackground::LEFT_BUTTON, cut_index);
 439     InMenuButton* copy = CreateAndConfigureButton(
 440         IDS_COPY, InMenuButtonBackground::CENTER_BUTTON, copy_index);
 441     InMenuButton* paste = CreateAndConfigureButton(
 442         IDS_PASTE, InMenuButtonBackground::CENTER_BUTTON, paste_index);
 443     copy->SetOtherButtons(cut, paste);
 444   }
 445
 446   // Overridden from View.
 447   gfx::Size GetPreferredSize() const override {
 448     // Returned height doesn't matter as MenuItemView forces everything to the
 449     // height of the menuitemview.
 450     return gfx::Size(GetMaxChildViewPreferredWidth() * child_count(), 0);
 451   }
 452
 453   void Layout() override {
 454     // All buttons are given the same width.
 455     int width = GetMaxChildViewPreferredWidth();
 456     for (int i = 0; i < child_count(); ++i)
 457       child_at(i)->SetBounds(i * width, 0, width, height());
 458   }
 459
 460   // Overridden from ButtonListener.
 461   void ButtonPressed(views::Button* sender, const ui::Event& event) override {
 462     menu()->CancelAndEvaluate(menu_model(), sender->tag());
 463   }
 464
 465  private:
 466   // Returns the max preferred width of all the children.
 467   int GetMaxChildViewPreferredWidth() const {
 468     int width = 0;
 469     for (int i = 0; i < child_count(); ++i)
 470       width = std::max(width, child_at(i)->GetPreferredSize().width());
 471     return width;
 472   }
 473
 474   DISALLOW_COPY_AND_ASSIGN(CutCopyPasteView);
 475 };
 476
 477 // ZoomView --------------------------------------------------------------------
 478
 479
 480 // ZoomView contains the various zoom controls: two buttons to increase/decrease
 481 // the zoom, a label showing the current zoom percent, and a button to go
 482 // full-screen.
 483 class WrenchMenu::ZoomView : public WrenchMenuView {
 484  public:
 485   ZoomView(WrenchMenu* menu,
 486            MenuModel* menu_model,
 487            int decrement_index,
 488            int increment_index,
 489            int fullscreen_index)
 490       : WrenchMenuView(menu, menu_model),
 491         fullscreen_index_(fullscreen_index),
 492         increment_button_(NULL),
 493         zoom_label_(NULL),
 494         decrement_button_(NULL),
 495         fullscreen_button_(NULL),
 496         zoom_label_width_(0) {
 497     content_zoom_subscription_ = HostZoomMap::GetDefaultForBrowserContext(
 498         menu->browser_->profile())->AddZoomLevelChangedCallback(
 499             base::Bind(&WrenchMenu::ZoomView::OnZoomLevelChanged,
 500                        base::Unretained(this)));
 501
 502     browser_zoom_subscription_ = ZoomEventManager::GetForBrowserContext(
 503         menu->browser_->profile())->AddZoomLevelChangedCallback(
 504             base::Bind(&WrenchMenu::ZoomView::OnZoomLevelChanged,
 505                        base::Unretained(this)));
 506
 507     decrement_button_ = CreateButtonWithAccName(
 508         IDS_ZOOM_MINUS2, InMenuButtonBackground::LEFT_BUTTON,
 509         decrement_index, IDS_ACCNAME_ZOOM_MINUS2);
 510
 511     zoom_label_ = new Label(
 512         l10n_util::GetStringFUTF16Int(IDS_ZOOM_PERCENT, 100));
 513     zoom_label_->SetAutoColorReadabilityEnabled(false);
 514     zoom_label_->SetHorizontalAlignment(gfx::ALIGN_RIGHT);
 515
 516     InMenuButtonBackground* center_bg =
 517         new InMenuButtonBackground(InMenuButtonBackground::RIGHT_BUTTON);
 518     zoom_label_->set_background(center_bg);
 519
 520     AddChildView(zoom_label_);
 521     zoom_label_width_ = MaxWidthForZoomLabel();
 522
 523     increment_button_ = CreateButtonWithAccName(
 524         IDS_ZOOM_PLUS2, InMenuButtonBackground::RIGHT_BUTTON,
 525         increment_index, IDS_ACCNAME_ZOOM_PLUS2);
 526
 527     center_bg->SetOtherButtons(decrement_button_, increment_button_);
 528
 529     fullscreen_button_ = new FullscreenButton(this);
 530     // all buttons on menu should must be a custom button in order for
 531     // the keyboard nativigation work.
 532     DCHECK(CustomButton::AsCustomButton(fullscreen_button_));
 533     gfx::ImageSkia* full_screen_image =
 534         ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
 535             IDR_FULLSCREEN_MENU_BUTTON);
 536     fullscreen_button_->SetImage(ImageButton::STATE_NORMAL, full_screen_image);
 537
 538     fullscreen_button_->SetFocusable(true);
 539     fullscreen_button_->set_request_focus_on_press(false);
 540     fullscreen_button_->set_tag(fullscreen_index);
 541     fullscreen_button_->SetImageAlignment(
 542         ImageButton::ALIGN_CENTER, ImageButton::ALIGN_MIDDLE);
 543     fullscreen_button_->set_background(
 544         new InMenuButtonBackground(InMenuButtonBackground::SINGLE_BUTTON));
 545     fullscreen_button_->SetAccessibleName(
 546         GetAccessibleNameForWrenchMenuItem(
 547             menu_model, fullscreen_index, IDS_ACCNAME_FULLSCREEN));
 548     AddChildView(fullscreen_button_);
 549
 550     // Need to set a font list for the zoom label width calculations.
 551     OnNativeThemeChanged(NULL);
 552     UpdateZoomControls();
 553   }
 554
 555   ~ZoomView() override {}
 556
 557   // Overridden from View.
 558   gfx::Size GetPreferredSize() const override {
 559     // The increment/decrement button are forced to the same width.
 560     int button_width = std::max(increment_button_->GetPreferredSize().width(),
 561                                 decrement_button_->GetPreferredSize().width());
 562     int fullscreen_width =
 563         fullscreen_button_->GetPreferredSize().width() + kFullscreenPadding;
 564     // Returned height doesn't matter as MenuItemView forces everything to the
 565     // height of the menuitemview. Note that we have overridden the height when
 566     // constructing the menu.
 567     return gfx::Size(button_width + zoom_label_width_ + button_width +
 568                      fullscreen_width, 0);
 569   }
 570
 571   void Layout() override {
 572     int x = 0;
 573     int button_width = std::max(increment_button_->GetPreferredSize().width(),
 574                                 decrement_button_->GetPreferredSize().width());
 575     gfx::Rect bounds(0, 0, button_width, height());
 576
 577     decrement_button_->SetBoundsRect(bounds);
 578
 579     x += bounds.width();
 580     bounds.set_x(x);
 581     bounds.set_width(zoom_label_width_);
 582     zoom_label_->SetBoundsRect(bounds);
 583
 584     x += bounds.width();
 585     bounds.set_x(x);
 586     bounds.set_width(button_width);
 587     increment_button_->SetBoundsRect(bounds);
 588
 589     x += bounds.width();
 590     bounds.set_x(x);
 591     bounds.set_width(fullscreen_button_->GetPreferredSize().width() +
 592                      kFullscreenPadding);
 593     fullscreen_button_->SetBoundsRect(bounds);
 594   }
 595
 596   void OnNativeThemeChanged(const ui::NativeTheme* theme) override {
 597     WrenchMenuView::OnNativeThemeChanged(theme);
 598
 599     const MenuConfig& menu_config = MenuConfig::instance(theme);
 600     zoom_label_->SetBorder(views::Border::CreateEmptyBorder(
 601         0, kZoomLabelHorizontalPadding, 0, kZoomLabelHorizontalPadding));
 602     zoom_label_->SetFontList(menu_config.font_list);
 603     zoom_label_width_ = MaxWidthForZoomLabel();
 604
 605     if (theme) {
 606       zoom_label_->SetEnabledColor(theme->GetSystemColor(
 607           ui::NativeTheme::kColorId_EnabledMenuItemForegroundColor));
 608       gfx::ImageSkia* full_screen_image =
 609           ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
 610               IDR_FULLSCREEN_MENU_BUTTON);
 611       SkColor fg_color = theme->GetSystemColor(
 612           ui::NativeTheme::kColorId_SelectedMenuItemForegroundColor);
 613       gfx::ImageSkia hovered_fullscreen_image(
 614           new HoveredImageSource(*full_screen_image, fg_color),
 615       full_screen_image->size());
 616       fullscreen_button_->SetImage(
 617           ImageButton::STATE_HOVERED, &hovered_fullscreen_image);
 618       fullscreen_button_->SetImage(
 619           ImageButton::STATE_PRESSED, &hovered_fullscreen_image);
 620     }
 621   }
 622
 623   // Overridden from ButtonListener.
 624   void ButtonPressed(views::Button* sender, const ui::Event& event) override {
 625     if (sender->tag() == fullscreen_index_) {
 626       menu()->CancelAndEvaluate(menu_model(), sender->tag());
 627     } else {
 628       // Zoom buttons don't close the menu.
 629       menu_model()->ActivatedAt(sender->tag());
 630     }
 631   }
 632
 633   // Overridden from WrenchMenuObserver.
 634   void WrenchMenuDestroyed() override { WrenchMenuView::WrenchMenuDestroyed(); }
 635
 636  private:
 637   void OnZoomLevelChanged(const HostZoomMap::ZoomLevelChange& change) {
 638     UpdateZoomControls();
 639   }
 640
 641   void UpdateZoomControls() {
 642     WebContents* selected_tab =
 643         menu()->browser_->tab_strip_model()->GetActiveWebContents();
 644     int zoom = 100;
 645     if (selected_tab)
 646       zoom = ZoomController::FromWebContents(selected_tab)->GetZoomPercent();
 647     increment_button_->SetEnabled(zoom < selected_tab->GetMaximumZoomPercent());
 648     decrement_button_->SetEnabled(zoom > selected_tab->GetMinimumZoomPercent());
 649     zoom_label_->SetText(
 650         l10n_util::GetStringFUTF16Int(IDS_ZOOM_PERCENT, zoom));
 651
 652     zoom_label_width_ = MaxWidthForZoomLabel();
 653   }
 654
 655   // Calculates the max width the zoom string can be.
 656   int MaxWidthForZoomLabel() {
 657     const gfx::FontList& font_list = zoom_label_->font_list();
 658     int border_width =
 659         zoom_label_->border() ? zoom_label_->border()->GetInsets().width() : 0;
 660
 661     int max_w = 0;
 662
 663     WebContents* selected_tab =
 664         menu()->browser_->tab_strip_model()->GetActiveWebContents();
 665     if (selected_tab) {
 666       int min_percent = selected_tab->GetMinimumZoomPercent();
 667       int max_percent = selected_tab->GetMaximumZoomPercent();
 668
 669       int step = (max_percent - min_percent) / 10;
 670       for (int i = min_percent; i <= max_percent; i += step) {
 671         int w = gfx::GetStringWidth(
 672             l10n_util::GetStringFUTF16Int(IDS_ZOOM_PERCENT, i), font_list);
 673         max_w = std::max(w, max_w);
 674       }
 675     } else {
 676       max_w = gfx::GetStringWidth(
 677           l10n_util::GetStringFUTF16Int(IDS_ZOOM_PERCENT, 100), font_list);
 678     }
 679
 680     return max_w + border_width;
 681   }
 682
 683   // Index of the fullscreen menu item in the model.
 684   const int fullscreen_index_;
 685
 686   scoped_ptr<content::HostZoomMap::Subscription> content_zoom_subscription_;
 687   scoped_ptr<content::HostZoomMap::Subscription> browser_zoom_subscription_;
 688   content::NotificationRegistrar registrar_;
 689
 690   // Button for incrementing the zoom.
 691   LabelButton* increment_button_;
 692
 693   // Label showing zoom as a percent.
 694   Label* zoom_label_;
 695
 696   // Button for decrementing the zoom.
 697   LabelButton* decrement_button_;
 698
 699   ImageButton* fullscreen_button_;
 700
 701   // Width given to |zoom_label_|. This is the width at 100%.
 702   int zoom_label_width_;
 703
 704   DISALLOW_COPY_AND_ASSIGN(ZoomView);
 705 };
 706
 707 // RecentTabsMenuModelDelegate  ------------------------------------------------
 708
 709 // Provides the ui::MenuModelDelegate implementation for RecentTabsSubMenuModel
 710 // items.
 711 class WrenchMenu::RecentTabsMenuModelDelegate : public ui::MenuModelDelegate {
 712  public:
 713   RecentTabsMenuModelDelegate(WrenchMenu* wrench_menu,
 714                               ui::MenuModel* model,
 715                               views::MenuItemView* menu_item)
 716       : wrench_menu_(wrench_menu),
 717         model_(model),
 718         menu_item_(menu_item) {
 719     model_->SetMenuModelDelegate(this);
 720   }
 721
 722   ~RecentTabsMenuModelDelegate() override {
 723     model_->SetMenuModelDelegate(NULL);
 724   }
 725
 726   const gfx::FontList* GetLabelFontListAt(int index) const {
 727     return model_->GetLabelFontListAt(index);
 728   }
 729
 730   bool GetShouldUseDisabledEmphasizedForegroundColor(int index) const {
 731     // The items for which we get a font list, should be shown in the bolded
 732     // color.
 733     return GetLabelFontListAt(index) ? true : false;
 734   }
 735
 736   // ui::MenuModelDelegate implementation:
 737
 738   void OnIconChanged(int index) override {
 739     int command_id = model_->GetCommandIdAt(index);
 740     views::MenuItemView* item = menu_item_->GetMenuItemByID(command_id);
 741     DCHECK(item);
 742     gfx::Image icon;
 743     model_->GetIconAt(index, &icon);
 744     item->SetIcon(*icon.ToImageSkia());
 745   }
 746
 747   void OnMenuStructureChanged() override {
 748     if (menu_item_->HasSubmenu()) {
 749       // Remove all menu items from submenu.
 750       views::SubmenuView* submenu = menu_item_->GetSubmenu();
 751       while (submenu->child_count() > 0)
 752         menu_item_->RemoveMenuItemAt(submenu->child_count() - 1);
 753
 754       // Remove all elements in |WrenchMenu::command_id_to_entry_| that map to
 755       // |model_|.
 756       WrenchMenu::CommandIDToEntry::iterator iter =
 757           wrench_menu_->command_id_to_entry_.begin();
 758       while (iter != wrench_menu_->command_id_to_entry_.end()) {
 759         if (iter->second.first == model_)
 760           wrench_menu_->command_id_to_entry_.erase(iter++);
 761         else
 762           ++iter;
 763       }
 764     }
 765
 766     // Add all menu items from |model| to submenu.
 767     for (int i = 0; i < model_->GetItemCount(); ++i) {
 768       wrench_menu_->AddMenuItem(menu_item_, i, model_, i, model_->GetTypeAt(i));
 769     }
 770
 771     // In case recent tabs submenu was open when items were changing, force a
 772     // ChildrenChanged().
 773     menu_item_->ChildrenChanged();
 774   }
 775
 776  private:
 777   WrenchMenu* wrench_menu_;
 778   ui::MenuModel* model_;
 779   views::MenuItemView* menu_item_;
 780
 781   DISALLOW_COPY_AND_ASSIGN(RecentTabsMenuModelDelegate);
 782 };
 783
 784 // WrenchMenu ------------------------------------------------------------------
 785
 786 WrenchMenu::WrenchMenu(Browser* browser, int run_flags)
 787     : root_(NULL),
 788       browser_(browser),
 789       selected_menu_model_(NULL),
 790       selected_index_(0),
 791       bookmark_menu_(NULL),
 792       feedback_menu_item_(NULL),
 793       run_flags_(run_flags) {
 794   registrar_.Add(this, chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED,
 795                  content::Source<Profile>(browser_->profile()));
 796 }
 797
 798 WrenchMenu::~WrenchMenu() {
 799   if (bookmark_menu_delegate_.get()) {
 800     BookmarkModel* model = BookmarkModelFactory::GetForProfile(
 801         browser_->profile());
 802     if (model)
 803       model->RemoveObserver(this);
 804   }
 805   FOR_EACH_OBSERVER(WrenchMenuObserver, observer_list_, WrenchMenuDestroyed());
 806 }
 807
 808 void WrenchMenu::Init(ui::MenuModel* model) {
 809   DCHECK(!root_);
 810   root_ = new MenuItemView(this);
 811   root_->set_has_icons(true);  // We have checks, radios and icons, set this
 812                                // so we get the taller menu style.
 813   PopulateMenu(root_, model);
 814
 815 #if !defined(NDEBUG)
 816   // Verify that the reserved command ID's for bookmarks menu are not used.
 817   for (int i = WrenchMenuModel::kMinBookmarkCommandId;
 818        i <= WrenchMenuModel::kMaxBookmarkCommandId; ++i)
 819     DCHECK(command_id_to_entry_.find(i) == command_id_to_entry_.end());
 820 #endif  // !defined(NDEBUG)
 821
 822   int32 types = views::MenuRunner::HAS_MNEMONICS;
 823   if (for_drop()) {
 824     // We add NESTED_DRAG since currently the only operation to open the wrench
 825     // menu for is an extension action drag, which is controlled by the child
 826     // BrowserActionsContainer view.
 827     types |= views::MenuRunner::FOR_DROP | views::MenuRunner::NESTED_DRAG;
 828   }
 829   menu_runner_.reset(new views::MenuRunner(root_, types));
 830 }
 831
 832 void WrenchMenu::RunMenu(views::MenuButton* host) {
 833   gfx::Point screen_loc;
 834   views::View::ConvertPointToScreen(host, &screen_loc);
 835   gfx::Rect bounds(screen_loc, host->size());
 836   content::RecordAction(UserMetricsAction("ShowAppMenu"));
 837   if (menu_runner_->RunMenuAt(host->GetWidget(),
 838                               host,
 839                               bounds,
 840                               views::MENU_ANCHOR_TOPRIGHT,
 841                               ui::MENU_SOURCE_NONE) ==
 842       views::MenuRunner::MENU_DELETED)
 843     return;
 844   if (bookmark_menu_delegate_.get()) {
 845     BookmarkModel* model = BookmarkModelFactory::GetForProfile(
 846         browser_->profile());
 847     if (model)
 848       model->RemoveObserver(this);
 849   }
 850   if (selected_menu_model_)
 851     selected_menu_model_->ActivatedAt(selected_index_);
 852 }
 853
 854 void WrenchMenu::CloseMenu() {
 855   if (menu_runner_.get())
 856     menu_runner_->Cancel();
 857 }
 858
 859 bool WrenchMenu::IsShowing() {
 860   return menu_runner_.get() && menu_runner_->IsRunning();
 861 }
 862
 863 void WrenchMenu::AddObserver(WrenchMenuObserver* observer) {
 864   observer_list_.AddObserver(observer);
 865 }
 866
 867 void WrenchMenu::RemoveObserver(WrenchMenuObserver* observer) {
 868   observer_list_.RemoveObserver(observer);
 869 }
 870
 871 const gfx::FontList* WrenchMenu::GetLabelFontList(int command_id) const {
 872   if (IsRecentTabsCommand(command_id)) {
 873     return recent_tabs_menu_model_delegate_->GetLabelFontListAt(
 874         ModelIndexFromCommandId(command_id));
 875   }
 876   return NULL;
 877 }
 878
 879 bool WrenchMenu::GetShouldUseDisabledEmphasizedForegroundColor(
 880     int command_id) const {
 881   if (IsRecentTabsCommand(command_id)) {
 882     return recent_tabs_menu_model_delegate_->
 883         GetShouldUseDisabledEmphasizedForegroundColor(
 884             ModelIndexFromCommandId(command_id));
 885   }
 886   return false;
 887 }
 888
 889 base::string16 WrenchMenu::GetTooltipText(int command_id,
 890                                           const gfx::Point& p) const {
 891   return IsBookmarkCommand(command_id) ?
 892       bookmark_menu_delegate_->GetTooltipText(command_id, p) : base::string16();
 893 }
 894
 895 bool WrenchMenu::IsTriggerableEvent(views::MenuItemView* menu,
 896                                     const ui::Event& e) {
 897   return IsBookmarkCommand(menu->GetCommand()) ?
 898       bookmark_menu_delegate_->IsTriggerableEvent(menu, e) :
 899       MenuDelegate::IsTriggerableEvent(menu, e);
 900 }
 901
 902 bool WrenchMenu::GetDropFormats(
 903       MenuItemView* menu,
 904       int* formats,
 905       std::set<ui::OSExchangeData::CustomFormat>* custom_formats) {
 906   CreateBookmarkMenu();
 907   return bookmark_menu_delegate_.get() &&
 908       bookmark_menu_delegate_->GetDropFormats(menu, formats, custom_formats);
 909 }
 910
 911 bool WrenchMenu::AreDropTypesRequired(MenuItemView* menu) {
 912   CreateBookmarkMenu();
 913   return bookmark_menu_delegate_.get() &&
 914       bookmark_menu_delegate_->AreDropTypesRequired(menu);
 915 }
 916
 917 bool WrenchMenu::CanDrop(MenuItemView* menu,
 918                          const ui::OSExchangeData& data) {
 919   CreateBookmarkMenu();
 920   return bookmark_menu_delegate_.get() &&
 921       bookmark_menu_delegate_->CanDrop(menu, data);
 922 }
 923
 924 int WrenchMenu::GetDropOperation(
 925     MenuItemView* item,
 926     const ui::DropTargetEvent& event,
 927     DropPosition* position) {
 928   return IsBookmarkCommand(item->GetCommand()) ?
 929       bookmark_menu_delegate_->GetDropOperation(item, event, position) :
 930       ui::DragDropTypes::DRAG_NONE;
 931 }
 932
 933 int WrenchMenu::OnPerformDrop(MenuItemView* menu,
 934                               DropPosition position,
 935                               const ui::DropTargetEvent& event) {
 936   if (!IsBookmarkCommand(menu->GetCommand()))
 937     return ui::DragDropTypes::DRAG_NONE;
 938
 939   int result = bookmark_menu_delegate_->OnPerformDrop(menu, position, event);
 940   return result;
 941 }
 942
 943 bool WrenchMenu::ShowContextMenu(MenuItemView* source,
 944                                  int command_id,
 945                                  const gfx::Point& p,
 946                                  ui::MenuSourceType source_type) {
 947   return IsBookmarkCommand(command_id) ?
 948       bookmark_menu_delegate_->ShowContextMenu(source, command_id, p,
 949                                                source_type) :
 950       false;
 951 }
 952
 953 bool WrenchMenu::CanDrag(MenuItemView* menu) {
 954   return IsBookmarkCommand(menu->GetCommand()) ?
 955       bookmark_menu_delegate_->CanDrag(menu) : false;
 956 }
 957
 958 void WrenchMenu::WriteDragData(MenuItemView* sender,
 959                                ui::OSExchangeData* data) {
 960   DCHECK(IsBookmarkCommand(sender->GetCommand()));
 961   return bookmark_menu_delegate_->WriteDragData(sender, data);
 962 }
 963
 964 int WrenchMenu::GetDragOperations(MenuItemView* sender) {
 965   return IsBookmarkCommand(sender->GetCommand()) ?
 966       bookmark_menu_delegate_->GetDragOperations(sender) :
 967       MenuDelegate::GetDragOperations(sender);
 968 }
 969
 970 int WrenchMenu::GetMaxWidthForMenu(MenuItemView* menu) {
 971   if (IsBookmarkCommand(menu->GetCommand()))
 972     return bookmark_menu_delegate_->GetMaxWidthForMenu(menu);
 973   return MenuDelegate::GetMaxWidthForMenu(menu);
 974 }
 975
 976 bool WrenchMenu::IsItemChecked(int command_id) const {
 977   if (IsBookmarkCommand(command_id))
 978     return false;
 979
 980   const Entry& entry = command_id_to_entry_.find(command_id)->second;
 981   return entry.first->IsItemCheckedAt(entry.second);
 982 }
 983
 984 bool WrenchMenu::IsCommandEnabled(int command_id) const {
 985   if (IsBookmarkCommand(command_id))
 986     return true;
 987
 988   if (command_id == 0)
 989     return false;  // The root item.
 990
 991   // The items representing the cut menu (cut/copy/paste), zoom menu
 992   // (increment/decrement/reset) and extension toolbar view are always enabled.
 993   // The child views of these items enabled state updates appropriately.
 994   if (command_id == IDC_CUT || command_id == IDC_ZOOM_MINUS ||
 995       command_id == IDC_EXTENSIONS_OVERFLOW_MENU)
 996     return true;
 997
 998   const Entry& entry = command_id_to_entry_.find(command_id)->second;
 999   return entry.first->IsEnabledAt(entry.second);
1000 }
1001
1002 void WrenchMenu::ExecuteCommand(int command_id, int mouse_event_flags) {
1003   if (IsBookmarkCommand(command_id)) {
1004     bookmark_menu_delegate_->ExecuteCommand(command_id, mouse_event_flags);
1005     return;
1006   }
1007
1008   if (command_id == IDC_CUT || command_id == IDC_ZOOM_MINUS ||
1009       command_id == IDC_EXTENSIONS_OVERFLOW_MENU) {
1010     // These items are represented by child views. If ExecuteCommand is invoked
1011     // it means the user clicked on the area around the buttons and we should
1012     // not do anyting.
1013     return;
1014   }
1015
1016   const Entry& entry = command_id_to_entry_.find(command_id)->second;
1017   return entry.first->ActivatedAt(entry.second, mouse_event_flags);
1018 }
1019
1020 bool WrenchMenu::GetAccelerator(int command_id,
1021                                 ui::Accelerator* accelerator) const {
1022   if (IsBookmarkCommand(command_id))
1023     return false;
1024
1025   if (command_id == IDC_CUT || command_id == IDC_ZOOM_MINUS ||
1026       command_id == IDC_EXTENSIONS_OVERFLOW_MENU) {
1027     // These have special child views; don't show the accelerator for them.
1028     return false;
1029   }
1030
1031   CommandIDToEntry::const_iterator ix = command_id_to_entry_.find(command_id);
1032   const Entry& entry = ix->second;
1033   ui::Accelerator menu_accelerator;
1034   if (!entry.first->GetAcceleratorAt(entry.second, &menu_accelerator))
1035     return false;
1036
1037   *accelerator = ui::Accelerator(menu_accelerator.key_code(),
1038                                  menu_accelerator.modifiers());
1039   return true;
1040 }
1041
1042 void WrenchMenu::WillShowMenu(MenuItemView* menu) {
1043   if (menu == bookmark_menu_)
1044     CreateBookmarkMenu();
1045 }
1046
1047 void WrenchMenu::WillHideMenu(MenuItemView* menu) {
1048   // Turns off the fade out animation of the wrench menus if
1049   // |feedback_menu_item_| is selected.  This excludes the wrench menu itself
1050   // from the snapshot in the feedback UI.
1051   if (menu->HasSubmenu() && feedback_menu_item_ &&
1052       feedback_menu_item_->IsSelected()) {
1053     // It's okay to just turn off the animation and no to take care the
1054     // animation back because the menu widget will be recreated next time
1055     // it's opened. See ToolbarView::RunMenu() and Init() of this class.
1056     menu->GetSubmenu()->GetWidget()->
1057         SetVisibilityChangedAnimationsEnabled(false);
1058   }
1059 }
1060
1061 bool WrenchMenu::ShouldCloseOnDragComplete() {
1062   return false;
1063 }
1064
1065 void WrenchMenu::BookmarkModelChanged() {
1066   DCHECK(bookmark_menu_delegate_.get());
1067   if (!bookmark_menu_delegate_->is_mutating_model())
1068     root_->Cancel();
1069 }
1070
1071 void WrenchMenu::Observe(int type,
1072                          const content::NotificationSource& source,
1073                          const content::NotificationDetails& details) {
1074   switch (type) {
1075     case chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED:
1076       // A change in the global errors list can add or remove items from the
1077       // menu. Close the menu to avoid have a stale menu on-screen.
1078       if (root_)
1079         root_->Cancel();
1080       break;
1081     default:
1082       NOTREACHED();
1083   }
1084 }
1085
1086 void WrenchMenu::PopulateMenu(MenuItemView* parent,
1087                               MenuModel* model) {
1088   for (int i = 0, max = model->GetItemCount(); i < max; ++i) {
1089     // Add the menu item at the end.
1090     int menu_index = parent->HasSubmenu() ?
1091         parent->GetSubmenu()->child_count() : 0;
1092     MenuItemView* item =
1093         AddMenuItem(parent, menu_index, model, i, model->GetTypeAt(i));
1094
1095     if (model->GetCommandIdAt(i) == IDC_CUT ||
1096         model->GetCommandIdAt(i) == IDC_ZOOM_MINUS) {
1097       const MenuConfig& config = item->GetMenuConfig();
1098       int top_margin = config.item_top_margin + config.separator_height / 2;
1099       int bottom_margin =
1100           config.item_bottom_margin + config.separator_height / 2;
1101
1102       // Chromeos adds extra vertical space for the menu buttons.
1103 #if defined(OS_CHROMEOS)
1104       top_margin += 4;
1105       bottom_margin += 5;
1106 #endif
1107
1108       item->SetMargins(top_margin, bottom_margin);
1109     }
1110
1111     if (model->GetTypeAt(i) == MenuModel::TYPE_SUBMENU)
1112       PopulateMenu(item, model->GetSubmenuModelAt(i));
1113
1114     switch (model->GetCommandIdAt(i)) {
1115       case IDC_EXTENSIONS_OVERFLOW_MENU: {
1116         scoped_ptr<ExtensionToolbarMenuView> extension_toolbar(
1117             new ExtensionToolbarMenuView(browser_, this));
1118         if (extension_toolbar->ShouldShow())
1119           item->AddChildView(extension_toolbar.release());
1120         else
1121           item->SetVisible(false);
1122         break;
1123       }
1124
1125       case IDC_CUT:
1126         DCHECK_EQ(MenuModel::TYPE_COMMAND, model->GetTypeAt(i));
1127         DCHECK_LT(i + 2, max);
1128         DCHECK_EQ(IDC_COPY, model->GetCommandIdAt(i + 1));
1129         DCHECK_EQ(IDC_PASTE, model->GetCommandIdAt(i + 2));
1130         item->SetTitle(l10n_util::GetStringUTF16(IDS_EDIT2));
1131         item->AddChildView(new CutCopyPasteView(this, model,
1132                                                 i, i + 1, i + 2));
1133         i += 2;
1134         break;
1135
1136       case IDC_ZOOM_MINUS:
1137         DCHECK_EQ(MenuModel::TYPE_COMMAND, model->GetTypeAt(i));
1138         DCHECK_EQ(IDC_ZOOM_PLUS, model->GetCommandIdAt(i + 1));
1139         DCHECK_EQ(IDC_FULLSCREEN, model->GetCommandIdAt(i + 2));
1140         item->SetTitle(l10n_util::GetStringUTF16(IDS_ZOOM_MENU2));
1141         item->AddChildView(new ZoomView(this, model, i, i + 1, i + 2));
1142         i += 2;
1143         break;
1144
1145       case IDC_BOOKMARKS_MENU:
1146         DCHECK(!bookmark_menu_);
1147         bookmark_menu_ = item;
1148         break;
1149
1150 #if defined(GOOGLE_CHROME_BUILD)
1151       case IDC_FEEDBACK:
1152         DCHECK(!feedback_menu_item_);
1153         feedback_menu_item_ = item;
1154         break;
1155 #endif
1156
1157       case IDC_RECENT_TABS_MENU:
1158         DCHECK(!recent_tabs_menu_model_delegate_.get());
1159         recent_tabs_menu_model_delegate_.reset(
1160             new RecentTabsMenuModelDelegate(this, model->GetSubmenuModelAt(i),
1161                                             item));
1162         break;
1163
1164       default:
1165         break;
1166     }
1167   }
1168 }
1169
1170 MenuItemView* WrenchMenu::AddMenuItem(MenuItemView* parent,
1171                                       int menu_index,
1172                                       MenuModel* model,
1173                                       int model_index,
1174                                       MenuModel::ItemType menu_type) {
1175   int command_id = model->GetCommandIdAt(model_index);
1176   DCHECK(command_id > -1 ||
1177          (command_id == -1 &&
1178           model->GetTypeAt(model_index) == MenuModel::TYPE_SEPARATOR));
1179
1180   if (command_id > -1) {  // Don't add separators to |command_id_to_entry_|.
1181     // All command ID's should be unique except for IDC_SHOW_HISTORY which is
1182     // in both wrench menu and RecentTabs submenu,
1183     if (command_id != IDC_SHOW_HISTORY) {
1184       DCHECK(command_id_to_entry_.find(command_id) ==
1185              command_id_to_entry_.end())
1186           << "command ID " << command_id << " already exists!";
1187     }
1188     command_id_to_entry_[command_id].first = model;
1189     command_id_to_entry_[command_id].second = model_index;
1190   }
1191
1192   MenuItemView* menu_item = views::MenuModelAdapter::AddMenuItemFromModelAt(
1193       model, model_index, parent, menu_index, command_id);
1194
1195   if (menu_item) {
1196     // Flush all buttons to the right side of the menu for the new menu type.
1197     menu_item->set_use_right_margin(false);
1198     menu_item->SetVisible(model->IsVisibleAt(model_index));
1199
1200     if (menu_type == MenuModel::TYPE_COMMAND && model->HasIcons()) {
1201       gfx::Image icon;
1202       if (model->GetIconAt(model_index, &icon))
1203         menu_item->SetIcon(*icon.ToImageSkia());
1204     }
1205   }
1206
1207   return menu_item;
1208 }
1209
1210 void WrenchMenu::CancelAndEvaluate(MenuModel* model, int index) {
1211   selected_menu_model_ = model;
1212   selected_index_ = index;
1213   root_->Cancel();
1214 }
1215
1216 void WrenchMenu::CreateBookmarkMenu() {
1217   if (bookmark_menu_delegate_.get())
1218     return;  // Already created the menu.
1219
1220   BookmarkModel* model =
1221       BookmarkModelFactory::GetForProfile(browser_->profile());
1222   if (!model->loaded())
1223     return;
1224
1225   model->AddObserver(this);
1226
1227   // TODO(oshima): Replace with views only API.
1228   views::Widget* parent = views::Widget::GetWidgetForNativeWindow(
1229       browser_->window()->GetNativeWindow());
1230   bookmark_menu_delegate_.reset(
1231       new BookmarkMenuDelegate(browser_,
1232                                browser_,
1233                                parent,
1234                                WrenchMenuModel::kMinBookmarkCommandId,
1235                                WrenchMenuModel::kMaxBookmarkCommandId));
1236   bookmark_menu_delegate_->Init(this,
1237                                 bookmark_menu_,
1238                                 model->bookmark_bar_node(),
1239                                 0,
1240                                 BookmarkMenuDelegate::SHOW_PERMANENT_FOLDERS,
1241                                 BOOKMARK_LAUNCH_LOCATION_WRENCH_MENU);
1242 }
1243
1244 int WrenchMenu::ModelIndexFromCommandId(int command_id) const {
1245   CommandIDToEntry::const_iterator ix = command_id_to_entry_.find(command_id);
1246   DCHECK(ix != command_id_to_entry_.end());
1247   return ix->second.second;
1248 }