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/metrics/histogram.h"
  12 #include "base/strings/string_number_conversions.h"
  13 #include "base/strings/utf_string_conversions.h"
  14 #include "chrome/app/chrome_command_ids.h"
  15 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
  16 #include "chrome/browser/bookmarks/bookmark_stats.h"
  17 #include "chrome/browser/chrome_notification_types.h"
  18 #include "chrome/browser/profiles/profile.h"
  19 #include "chrome/browser/search/search.h"
  20 #include "chrome/browser/ui/browser.h"
  21 #include "chrome/browser/ui/browser_window.h"
  22 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  23 #include "chrome/browser/ui/toolbar/wrench_menu_model.h"
  24 #include "chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.h"
  25 #include "chrome/browser/ui/views/toolbar/extension_toolbar_menu_view.h"
  26 #include "chrome/browser/ui/views/toolbar/wrench_menu_observer.h"
  27 #include "chrome/grit/generated_resources.h"
  28 #include "components/bookmarks/browser/bookmark_model.h"
  29 #include "components/ui/zoom/zoom_controller.h"
  30 #include "components/ui/zoom/zoom_event_manager.h"
  31 #include "content/public/browser/host_zoom_map.h"
  32 #include "content/public/browser/notification_observer.h"
  33 #include "content/public/browser/notification_registrar.h"
  34 #include "content/public/browser/notification_source.h"
  35 #include "content/public/browser/notification_types.h"
  36 #include "content/public/browser/user_metrics.h"
  37 #include "content/public/browser/web_contents.h"
  38 #include "extensions/common/feature_switch.h"
  39 #include "grit/theme_resources.h"
  40 #include "third_party/skia/include/core/SkCanvas.h"
  41 #include "third_party/skia/include/core/SkPaint.h"
  42 #include "ui/base/l10n/l10n_util.h"
  43 #include "ui/base/layout.h"
  44 #include "ui/base/resource/resource_bundle.h"
  45 #include "ui/gfx/canvas.h"
  46 #include "ui/gfx/font_list.h"
  47 #include "ui/gfx/image/image.h"
  48 #include "ui/gfx/image/image_skia_source.h"
  49 #include "ui/gfx/skia_util.h"
  50 #include "ui/gfx/text_utils.h"
  51 #include "ui/views/background.h"
  52 #include "ui/views/controls/button/image_button.h"
  53 #include "ui/views/controls/button/label_button.h"
  54 #include "ui/views/controls/button/menu_button.h"
  55 #include "ui/views/controls/label.h"
  56 #include "ui/views/controls/menu/menu_config.h"
  57 #include "ui/views/controls/menu/menu_item_view.h"
  58 #include "ui/views/controls/menu/menu_model_adapter.h"
  59 #include "ui/views/controls/menu/menu_runner.h"
  60 #include "ui/views/controls/menu/menu_scroll_view_container.h"
  61 #include "ui/views/controls/menu/submenu_view.h"
  62 #include "ui/views/widget/widget.h"
  63
  64 using base::UserMetricsAction;
  65 using bookmarks::BookmarkModel;
  66 using content::WebContents;
  67 using ui::ButtonMenuItemModel;
  68 using ui::MenuModel;
  69 using views::CustomButton;
  70 using views::ImageButton;
  71 using views::Label;
  72 using views::LabelButton;
  73 using views::MenuConfig;
  74 using views::MenuItemView;
  75 using views::View;
  76
  77 namespace {
  78
  79 // Horizontal padding on the edges of the in-menu buttons.
  80 const int kHorizontalPadding = 15;
  81
  82 #if defined(OS_CHROMEOS)
  83 // Extra horizontal space to reserve for the fullscreen button.
  84 const int kFullscreenPadding = 74;
  85 // Padding to left and right of the XX% label.
  86 const int kZoomLabelHorizontalPadding = kHorizontalPadding;
  87 #else
  88 const int kFullscreenPadding = 38;
  89 const int kZoomLabelHorizontalPadding = 2;
  90 #endif
  91
  92 // Returns true if |command_id| identifies a bookmark menu item.
  93 bool IsBookmarkCommand(int command_id) {
  94   return command_id >= IDC_FIRST_BOOKMARK_MENU;
  95 }
  96
  97 // Returns true if |command_id| identifies a recent tabs menu item.
  98 bool IsRecentTabsCommand(int command_id) {
  99   return command_id >= WrenchMenuModel::kMinRecentTabsCommandId &&
 100       command_id <= WrenchMenuModel::kMaxRecentTabsCommandId;
 101 }
 102
 103 // Subclass of ImageButton whose preferred size includes the size of the border.
 104 class FullscreenButton : public ImageButton {
 105  public:
 106   explicit FullscreenButton(views::ButtonListener* listener)
 107       : ImageButton(listener) { }
 108
 109   // Overridden from ImageButton.
 110   gfx::Size GetPreferredSize() const override {
 111     gfx::Size pref = ImageButton::GetPreferredSize();
 112     if (border()) {
 113       gfx::Insets insets = border()->GetInsets();
 114       pref.Enlarge(insets.width(), insets.height());
 115     }
 116     return pref;
 117   }
 118
 119  private:
 120   DISALLOW_COPY_AND_ASSIGN(FullscreenButton);
 121 };
 122
 123 // Combination border/background for the buttons contained in the menu. The
 124 // painting of the border/background is done here as LabelButton does not always
 125 // paint the border.
 126 class InMenuButtonBackground : public views::Background {
 127  public:
 128   enum ButtonType {
 129     LEFT_BUTTON,
 130     CENTER_BUTTON,
 131     RIGHT_BUTTON,
 132     SINGLE_BUTTON,
 133   };
 134
 135   explicit InMenuButtonBackground(ButtonType type)
 136       : type_(type), left_button_(NULL), right_button_(NULL) {}
 137
 138   // Used when the type is CENTER_BUTTON to determine if the left/right edge
 139   // needs to be rendered selected.
 140   void SetOtherButtons(const CustomButton* left_button,
 141                        const CustomButton* right_button) {
 142     if (base::i18n::IsRTL()) {
 143       left_button_ = right_button;
 144       right_button_ = left_button;
 145     } else {
 146       left_button_ = left_button;
 147       right_button_ = right_button;
 148     }
 149   }
 150
 151   // Overridden from views::Background.
 152   void Paint(gfx::Canvas* canvas, View* view) const override {
 153     CustomButton* button = CustomButton::AsCustomButton(view);
 154     views::Button::ButtonState state =
 155         button ? button->state() : views::Button::STATE_NORMAL;
 156     int h = view->height();
 157
 158     // Normal buttons get a border drawn on the right side and the rest gets
 159     // filled in. The left button however does not get a line to combine
 160     // buttons.
 161     if (type_ != RIGHT_BUTTON) {
 162       canvas->FillRect(gfx::Rect(0, 0, 1, h),
 163                        BorderColor(view, views::Button::STATE_NORMAL));
 164     }
 165
 166     gfx::Rect bounds(view->GetLocalBounds());
 167     bounds.set_x(view->GetMirroredXForRect(bounds));
 168     DrawBackground(canvas, view, bounds, state);
 169   }
 170
 171  private:
 172   static SkColor BorderColor(View* view, views::Button::ButtonState state) {
 173     ui::NativeTheme* theme = view->GetNativeTheme();
 174     switch (state) {
 175       case views::Button::STATE_HOVERED:
 176         return theme->GetSystemColor(
 177             ui::NativeTheme::kColorId_HoverMenuButtonBorderColor);
 178       case views::Button::STATE_PRESSED:
 179         return theme->GetSystemColor(
 180             ui::NativeTheme::kColorId_FocusedMenuButtonBorderColor);
 181       default:
 182         return theme->GetSystemColor(
 183             ui::NativeTheme::kColorId_EnabledMenuButtonBorderColor);
 184     }
 185   }
 186
 187   static SkColor BackgroundColor(const View* view,
 188                                  views::Button::ButtonState state) {
 189     const ui::NativeTheme* theme = view->GetNativeTheme();
 190     switch (state) {
 191       case views::Button::STATE_HOVERED:
 192         // Hovered should be handled in DrawBackground.
 193         NOTREACHED();
 194         return theme->GetSystemColor(
 195             ui::NativeTheme::kColorId_HoverMenuItemBackgroundColor);
 196       case views::Button::STATE_PRESSED:
 197         return theme->GetSystemColor(
 198             ui::NativeTheme::kColorId_FocusedMenuItemBackgroundColor);
 199       default:
 200         return theme->GetSystemColor(
 201             ui::NativeTheme::kColorId_MenuBackgroundColor);
 202     }
 203   }
 204
 205   void DrawBackground(gfx::Canvas* canvas,
 206                       const views::View* view,
 207                       const gfx::Rect& bounds,
 208                       views::Button::ButtonState state) const {
 209     if (state == views::Button::STATE_HOVERED ||
 210         state == views::Button::STATE_PRESSED) {
 211       view->GetNativeTheme()->Paint(canvas->sk_canvas(),
 212                                     ui::NativeTheme::kMenuItemBackground,
 213                                     ui::NativeTheme::kHovered,
 214                                     bounds,
 215                                     ui::NativeTheme::ExtraParams());
 216     }
 217   }
 218
 219   ButtonType TypeAdjustedForRTL() const {
 220     if (!base::i18n::IsRTL())
 221       return type_;
 222
 223     switch (type_) {
 224       case LEFT_BUTTON:   return RIGHT_BUTTON;
 225       case RIGHT_BUTTON:  return LEFT_BUTTON;
 226       default:            break;
 227     }
 228     return type_;
 229   }
 230
 231   const ButtonType type_;
 232
 233   // See description above setter for details.
 234   const CustomButton* left_button_;
 235   const CustomButton* right_button_;
 236
 237   DISALLOW_COPY_AND_ASSIGN(InMenuButtonBackground);
 238 };
 239
 240 base::string16 GetAccessibleNameForWrenchMenuItem(
 241     ButtonMenuItemModel* model, int item_index, int accessible_string_id) {
 242   base::string16 accessible_name =
 243       l10n_util::GetStringUTF16(accessible_string_id);
 244   base::string16 accelerator_text;
 245
 246   ui::Accelerator menu_accelerator;
 247   if (model->GetAcceleratorAt(item_index, &menu_accelerator)) {
 248     accelerator_text =
 249         ui::Accelerator(menu_accelerator.key_code(),
 250                         menu_accelerator.modifiers()).GetShortcutText();
 251   }
 252
 253   return MenuItemView::GetAccessibleNameForMenuItem(
 254       accessible_name, accelerator_text);
 255 }
 256
 257 // A button that lives inside a menu item.
 258 class InMenuButton : public LabelButton {
 259  public:
 260   InMenuButton(views::ButtonListener* listener, const base::string16& text)
 261       : LabelButton(listener, text), in_menu_background_(NULL) {}
 262   ~InMenuButton() override {}
 263
 264   void Init(InMenuButtonBackground::ButtonType type) {
 265     SetFocusable(true);
 266     set_request_focus_on_press(false);
 267     SetHorizontalAlignment(gfx::ALIGN_CENTER);
 268
 269     in_menu_background_ = new InMenuButtonBackground(type);
 270     set_background(in_menu_background_);
 271     SetBorder(views::Border::CreateEmptyBorder(0, kHorizontalPadding, 0,
 272                                                kHorizontalPadding));
 273   }
 274
 275   void SetOtherButtons(const InMenuButton* left, const InMenuButton* right) {
 276     in_menu_background_->SetOtherButtons(left, right);
 277   }
 278
 279   // views::LabelButton
 280   void OnNativeThemeChanged(const ui::NativeTheme* theme) override {
 281     const MenuConfig& menu_config = MenuConfig::instance(theme);
 282     SetFontList(menu_config.font_list);
 283
 284     if (theme) {
 285       SetTextColor(
 286           views::Button::STATE_DISABLED,
 287           theme->GetSystemColor(
 288               ui::NativeTheme::kColorId_DisabledMenuItemForegroundColor));
 289       SetTextColor(
 290           views::Button::STATE_HOVERED,
 291           theme->GetSystemColor(
 292               ui::NativeTheme::kColorId_SelectedMenuItemForegroundColor));
 293       SetTextColor(
 294           views::Button::STATE_PRESSED,
 295           theme->GetSystemColor(
 296               ui::NativeTheme::kColorId_SelectedMenuItemForegroundColor));
 297       SetTextColor(
 298           views::Button::STATE_NORMAL,
 299           theme->GetSystemColor(
 300               ui::NativeTheme::kColorId_EnabledMenuItemForegroundColor));
 301     }
 302   }
 303
 304  private:
 305   InMenuButtonBackground* in_menu_background_;
 306
 307   DISALLOW_COPY_AND_ASSIGN(InMenuButton);
 308 };
 309
 310 // WrenchMenuView is a view that can contain label buttons.
 311 class WrenchMenuView : public views::View,
 312                        public views::ButtonListener,
 313                        public WrenchMenuObserver {
 314  public:
 315   WrenchMenuView(WrenchMenu* menu, ButtonMenuItemModel* menu_model)
 316       : menu_(menu),
 317         menu_model_(menu_model) {
 318     menu_->AddObserver(this);
 319   }
 320
 321   ~WrenchMenuView() override {
 322     if (menu_)
 323       menu_->RemoveObserver(this);
 324   }
 325
 326   // Overridden from views::View.
 327   void SchedulePaintInRect(const gfx::Rect& r) override {
 328     // Normally when the mouse enters/exits a button the buttons invokes
 329     // SchedulePaint. As part of the button border (InMenuButtonBackground) is
 330     // rendered by the button to the left/right of it SchedulePaint on the the
 331     // button may not be enough, so this forces a paint all.
 332     View::SchedulePaintInRect(gfx::Rect(size()));
 333   }
 334
 335   InMenuButton* CreateAndConfigureButton(
 336       int string_id,
 337       InMenuButtonBackground::ButtonType type,
 338       int index) {
 339     return CreateButtonWithAccName(string_id, type, index, string_id);
 340   }
 341
 342   InMenuButton* CreateButtonWithAccName(int string_id,
 343                                         InMenuButtonBackground::ButtonType type,
 344                                         int index,
 345                                         int acc_string_id) {
 346     // Should only be invoked during construction when |menu_| is valid.
 347     DCHECK(menu_);
 348     InMenuButton* button = new InMenuButton(
 349         this,
 350         gfx::RemoveAcceleratorChar(
 351             l10n_util::GetStringUTF16(string_id), '&', NULL, NULL));
 352     button->Init(type);
 353     button->SetAccessibleName(
 354         GetAccessibleNameForWrenchMenuItem(menu_model_, index, acc_string_id));
 355     button->set_tag(index);
 356     button->SetEnabled(menu_model_->IsEnabledAt(index));
 357
 358     AddChildView(button);
 359     // all buttons on menu should must be a custom button in order for
 360     // the keyboard nativigation work.
 361     DCHECK(CustomButton::AsCustomButton(button));
 362     return button;
 363   }
 364
 365   // Overridden from WrenchMenuObserver:
 366   void WrenchMenuDestroyed() override {
 367     menu_->RemoveObserver(this);
 368     menu_ = NULL;
 369     menu_model_ = NULL;
 370   }
 371
 372  protected:
 373   WrenchMenu* menu() { return menu_; }
 374   ButtonMenuItemModel* menu_model() { return menu_model_; }
 375
 376  private:
 377   // Hosting WrenchMenu.
 378   // WARNING: this may be NULL during shutdown.
 379   WrenchMenu* menu_;
 380
 381   // The menu model containing the increment/decrement/reset items.
 382   // WARNING: this may be NULL during shutdown.
 383   ButtonMenuItemModel* menu_model_;
 384
 385   DISALLOW_COPY_AND_ASSIGN(WrenchMenuView);
 386 };
 387
 388 // Generate the button image for hover state.
 389 class HoveredImageSource : public gfx::ImageSkiaSource {
 390  public:
 391   HoveredImageSource(const gfx::ImageSkia& image, SkColor color)
 392       : image_(image),
 393         color_(color) {
 394   }
 395   ~HoveredImageSource() override {}
 396
 397   gfx::ImageSkiaRep GetImageForScale(float scale) override {
 398     const gfx::ImageSkiaRep& rep = image_.GetRepresentation(scale);
 399     SkBitmap bitmap = rep.sk_bitmap();
 400     SkBitmap white;
 401     white.allocN32Pixels(bitmap.width(), bitmap.height());
 402     white.eraseARGB(0, 0, 0, 0);
 403     bitmap.lockPixels();
 404     for (int y = 0; y < bitmap.height(); ++y) {
 405       uint32* image_row = bitmap.getAddr32(0, y);
 406       uint32* dst_row = white.getAddr32(0, y);
 407       for (int x = 0; x < bitmap.width(); ++x) {
 408         uint32 image_pixel = image_row[x];
 409         // Fill the non transparent pixels with |color_|.
 410         dst_row[x] = (image_pixel & 0xFF000000) == 0x0 ? 0x0 : color_;
 411       }
 412     }
 413     bitmap.unlockPixels();
 414     return gfx::ImageSkiaRep(white, scale);
 415   }
 416
 417  private:
 418   const gfx::ImageSkia image_;
 419   const SkColor color_;
 420   DISALLOW_COPY_AND_ASSIGN(HoveredImageSource);
 421 };
 422
 423 }  // namespace
 424
 425 // CutCopyPasteView ------------------------------------------------------------
 426
 427 // CutCopyPasteView is the view containing the cut/copy/paste buttons.
 428 class WrenchMenu::CutCopyPasteView : public WrenchMenuView {
 429  public:
 430   CutCopyPasteView(WrenchMenu* menu,
 431                    ButtonMenuItemModel* menu_model,
 432                    int cut_index,
 433                    int copy_index,
 434                    int paste_index)
 435       : WrenchMenuView(menu, menu_model) {
 436     InMenuButton* cut = CreateAndConfigureButton(
 437         IDS_CUT, InMenuButtonBackground::LEFT_BUTTON, cut_index);
 438     InMenuButton* copy = CreateAndConfigureButton(
 439         IDS_COPY, InMenuButtonBackground::CENTER_BUTTON, copy_index);
 440     InMenuButton* paste = CreateAndConfigureButton(
 441         IDS_PASTE, InMenuButtonBackground::CENTER_BUTTON, paste_index);
 442     copy->SetOtherButtons(cut, paste);
 443   }
 444
 445   // Overridden from View.
 446   gfx::Size GetPreferredSize() const override {
 447     // Returned height doesn't matter as MenuItemView forces everything to the
 448     // height of the menuitemview.
 449     return gfx::Size(GetMaxChildViewPreferredWidth() * child_count(), 0);
 450   }
 451
 452   void Layout() override {
 453     // All buttons are given the same width.
 454     int width = GetMaxChildViewPreferredWidth();
 455     for (int i = 0; i < child_count(); ++i)
 456       child_at(i)->SetBounds(i * width, 0, width, height());
 457   }
 458
 459   // Overridden from ButtonListener.
 460   void ButtonPressed(views::Button* sender, const ui::Event& event) override {
 461     menu()->CancelAndEvaluate(menu_model(), sender->tag());
 462   }
 463
 464  private:
 465   // Returns the max preferred width of all the children.
 466   int GetMaxChildViewPreferredWidth() const {
 467     int width = 0;
 468     for (int i = 0; i < child_count(); ++i)
 469       width = std::max(width, child_at(i)->GetPreferredSize().width());
 470     return width;
 471   }
 472
 473   DISALLOW_COPY_AND_ASSIGN(CutCopyPasteView);
 474 };
 475
 476 // ZoomView --------------------------------------------------------------------
 477
 478
 479 // ZoomView contains the various zoom controls: two buttons to increase/decrease
 480 // the zoom, a label showing the current zoom percent, and a button to go
 481 // full-screen.
 482 class WrenchMenu::ZoomView : public WrenchMenuView {
 483  public:
 484   ZoomView(WrenchMenu* menu,
 485            ButtonMenuItemModel* menu_model,
 486            int decrement_index,
 487            int increment_index,
 488            int fullscreen_index)
 489       : WrenchMenuView(menu, menu_model),
 490         fullscreen_index_(fullscreen_index),
 491         increment_button_(NULL),
 492         zoom_label_(NULL),
 493         decrement_button_(NULL),
 494         fullscreen_button_(NULL),
 495         zoom_label_width_(0) {
 496     browser_zoom_subscription_ =
 497         ui_zoom::ZoomEventManager::GetForBrowserContext(
 498             menu->browser_->profile())
 499             ->AddZoomLevelChangedCallback(
 500                 base::Bind(&WrenchMenu::ZoomView::OnZoomLevelChanged,
 501                            base::Unretained(this)));
 502
 503     decrement_button_ = CreateButtonWithAccName(
 504         IDS_ZOOM_MINUS2, InMenuButtonBackground::LEFT_BUTTON,
 505         decrement_index, IDS_ACCNAME_ZOOM_MINUS2);
 506
 507     zoom_label_ = new Label(
 508         l10n_util::GetStringFUTF16Int(IDS_ZOOM_PERCENT, 100));
 509     zoom_label_->SetAutoColorReadabilityEnabled(false);
 510     zoom_label_->SetHorizontalAlignment(gfx::ALIGN_RIGHT);
 511
 512     InMenuButtonBackground* center_bg =
 513         new InMenuButtonBackground(InMenuButtonBackground::RIGHT_BUTTON);
 514     zoom_label_->set_background(center_bg);
 515
 516     AddChildView(zoom_label_);
 517     zoom_label_width_ = MaxWidthForZoomLabel();
 518
 519     increment_button_ = CreateButtonWithAccName(
 520         IDS_ZOOM_PLUS2, InMenuButtonBackground::RIGHT_BUTTON,
 521         increment_index, IDS_ACCNAME_ZOOM_PLUS2);
 522
 523     center_bg->SetOtherButtons(decrement_button_, increment_button_);
 524
 525     fullscreen_button_ = new FullscreenButton(this);
 526     // all buttons on menu should must be a custom button in order for
 527     // the keyboard nativigation work.
 528     DCHECK(CustomButton::AsCustomButton(fullscreen_button_));
 529     gfx::ImageSkia* full_screen_image =
 530         ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
 531             IDR_FULLSCREEN_MENU_BUTTON);
 532     fullscreen_button_->SetImage(ImageButton::STATE_NORMAL, full_screen_image);
 533
 534     fullscreen_button_->SetFocusable(true);
 535     fullscreen_button_->set_request_focus_on_press(false);
 536     fullscreen_button_->set_tag(fullscreen_index);
 537     fullscreen_button_->SetImageAlignment(
 538         ImageButton::ALIGN_CENTER, ImageButton::ALIGN_MIDDLE);
 539     fullscreen_button_->set_background(
 540         new InMenuButtonBackground(InMenuButtonBackground::SINGLE_BUTTON));
 541     fullscreen_button_->SetAccessibleName(
 542         GetAccessibleNameForWrenchMenuItem(
 543             menu_model, fullscreen_index, IDS_ACCNAME_FULLSCREEN));
 544     AddChildView(fullscreen_button_);
 545
 546     // Need to set a font list for the zoom label width calculations.
 547     OnNativeThemeChanged(NULL);
 548     UpdateZoomControls();
 549   }
 550
 551   ~ZoomView() override {}
 552
 553   // Overridden from View.
 554   gfx::Size GetPreferredSize() const override {
 555     // The increment/decrement button are forced to the same width.
 556     int button_width = std::max(increment_button_->GetPreferredSize().width(),
 557                                 decrement_button_->GetPreferredSize().width());
 558     int fullscreen_width =
 559         fullscreen_button_->GetPreferredSize().width() + kFullscreenPadding;
 560     // Returned height doesn't matter as MenuItemView forces everything to the
 561     // height of the menuitemview. Note that we have overridden the height when
 562     // constructing the menu.
 563     return gfx::Size(button_width + zoom_label_width_ + button_width +
 564                      fullscreen_width, 0);
 565   }
 566
 567   void Layout() override {
 568     int x = 0;
 569     int button_width = std::max(increment_button_->GetPreferredSize().width(),
 570                                 decrement_button_->GetPreferredSize().width());
 571     gfx::Rect bounds(0, 0, button_width, height());
 572
 573     decrement_button_->SetBoundsRect(bounds);
 574
 575     x += bounds.width();
 576     bounds.set_x(x);
 577     bounds.set_width(zoom_label_width_);
 578     zoom_label_->SetBoundsRect(bounds);
 579
 580     x += bounds.width();
 581     bounds.set_x(x);
 582     bounds.set_width(button_width);
 583     increment_button_->SetBoundsRect(bounds);
 584
 585     x += bounds.width();
 586     bounds.set_x(x);
 587     bounds.set_width(fullscreen_button_->GetPreferredSize().width() +
 588                      kFullscreenPadding);
 589     fullscreen_button_->SetBoundsRect(bounds);
 590   }
 591
 592   void OnNativeThemeChanged(const ui::NativeTheme* theme) override {
 593     WrenchMenuView::OnNativeThemeChanged(theme);
 594
 595     const MenuConfig& menu_config = MenuConfig::instance(theme);
 596     zoom_label_->SetBorder(views::Border::CreateEmptyBorder(
 597         0, kZoomLabelHorizontalPadding, 0, kZoomLabelHorizontalPadding));
 598     zoom_label_->SetFontList(menu_config.font_list);
 599     zoom_label_width_ = MaxWidthForZoomLabel();
 600
 601     if (theme) {
 602       zoom_label_->SetEnabledColor(theme->GetSystemColor(
 603           ui::NativeTheme::kColorId_EnabledMenuItemForegroundColor));
 604       gfx::ImageSkia* full_screen_image =
 605           ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
 606               IDR_FULLSCREEN_MENU_BUTTON);
 607       SkColor fg_color = theme->GetSystemColor(
 608           ui::NativeTheme::kColorId_SelectedMenuItemForegroundColor);
 609       gfx::ImageSkia hovered_fullscreen_image(
 610           new HoveredImageSource(*full_screen_image, fg_color),
 611       full_screen_image->size());
 612       fullscreen_button_->SetImage(
 613           ImageButton::STATE_HOVERED, &hovered_fullscreen_image);
 614       fullscreen_button_->SetImage(
 615           ImageButton::STATE_PRESSED, &hovered_fullscreen_image);
 616     }
 617   }
 618
 619   // Overridden from ButtonListener.
 620   void ButtonPressed(views::Button* sender, const ui::Event& event) override {
 621     if (sender->tag() == fullscreen_index_) {
 622       menu()->CancelAndEvaluate(menu_model(), sender->tag());
 623     } else {
 624       // Zoom buttons don't close the menu.
 625       menu_model()->ActivatedAt(sender->tag());
 626     }
 627   }
 628
 629   // Overridden from WrenchMenuObserver.
 630   void WrenchMenuDestroyed() override { WrenchMenuView::WrenchMenuDestroyed(); }
 631
 632  private:
 633   void OnZoomLevelChanged(const content::HostZoomMap::ZoomLevelChange& change) {
 634     UpdateZoomControls();
 635   }
 636
 637   void UpdateZoomControls() {
 638     WebContents* selected_tab =
 639         menu()->browser_->tab_strip_model()->GetActiveWebContents();
 640     int zoom = 100;
 641     if (selected_tab) {
 642       auto zoom_controller =
 643           ui_zoom::ZoomController::FromWebContents(selected_tab);
 644       if (zoom_controller)
 645         zoom = zoom_controller->GetZoomPercent();
 646       increment_button_->SetEnabled(zoom <
 647                                     selected_tab->GetMaximumZoomPercent());
 648       decrement_button_->SetEnabled(zoom >
 649                                     selected_tab->GetMinimumZoomPercent());
 650     }
 651     zoom_label_->SetText(
 652         l10n_util::GetStringFUTF16Int(IDS_ZOOM_PERCENT, zoom));
 653
 654     zoom_label_width_ = MaxWidthForZoomLabel();
 655   }
 656
 657   // Calculates the max width the zoom string can be.
 658   int MaxWidthForZoomLabel() {
 659     const gfx::FontList& font_list = zoom_label_->font_list();
 660     int border_width =
 661         zoom_label_->border() ? zoom_label_->border()->GetInsets().width() : 0;
 662
 663     int max_w = 0;
 664
 665     WebContents* selected_tab =
 666         menu()->browser_->tab_strip_model()->GetActiveWebContents();
 667     if (selected_tab) {
 668       int min_percent = selected_tab->GetMinimumZoomPercent();
 669       int max_percent = selected_tab->GetMaximumZoomPercent();
 670
 671       int step = (max_percent - min_percent) / 10;
 672       for (int i = min_percent; i <= max_percent; i += step) {
 673         int w = gfx::GetStringWidth(
 674             l10n_util::GetStringFUTF16Int(IDS_ZOOM_PERCENT, i), font_list);
 675         max_w = std::max(w, max_w);
 676       }
 677     } else {
 678       max_w = gfx::GetStringWidth(
 679           l10n_util::GetStringFUTF16Int(IDS_ZOOM_PERCENT, 100), font_list);
 680     }
 681
 682     return max_w + border_width;
 683   }
 684
 685   // Index of the fullscreen menu item in the model.
 686   const int fullscreen_index_;
 687
 688   scoped_ptr<content::HostZoomMap::Subscription> browser_zoom_subscription_;
 689   content::NotificationRegistrar registrar_;
 690
 691   // Button for incrementing the zoom.
 692   LabelButton* increment_button_;
 693
 694   // Label showing zoom as a percent.
 695   Label* zoom_label_;
 696
 697   // Button for decrementing the zoom.
 698   LabelButton* decrement_button_;
 699
 700   ImageButton* fullscreen_button_;
 701
 702   // Width given to |zoom_label_|. This is the width at 100%.
 703   int zoom_label_width_;
 704
 705   DISALLOW_COPY_AND_ASSIGN(ZoomView);
 706 };
 707
 708 // RecentTabsMenuModelDelegate  ------------------------------------------------
 709
 710 // Provides the ui::MenuModelDelegate implementation for RecentTabsSubMenuModel
 711 // items.
 712 class WrenchMenu::RecentTabsMenuModelDelegate : public ui::MenuModelDelegate {
 713  public:
 714   RecentTabsMenuModelDelegate(WrenchMenu* wrench_menu,
 715                               ui::MenuModel* model,
 716                               views::MenuItemView* menu_item)
 717       : wrench_menu_(wrench_menu),
 718         model_(model),
 719         menu_item_(menu_item) {
 720     model_->SetMenuModelDelegate(this);
 721   }
 722
 723   ~RecentTabsMenuModelDelegate() override {
 724     model_->SetMenuModelDelegate(NULL);
 725   }
 726
 727   const gfx::FontList* GetLabelFontListAt(int index) const {
 728     return model_->GetLabelFontListAt(index);
 729   }
 730
 731   bool GetShouldUseDisabledEmphasizedForegroundColor(int index) const {
 732     // The items for which we get a font list, should be shown in the bolded
 733     // color.
 734     return GetLabelFontListAt(index) ? true : false;
 735   }
 736
 737   // ui::MenuModelDelegate implementation:
 738
 739   void OnIconChanged(int index) override {
 740     int command_id = model_->GetCommandIdAt(index);
 741     views::MenuItemView* item = menu_item_->GetMenuItemByID(command_id);
 742     DCHECK(item);
 743     gfx::Image icon;
 744     model_->GetIconAt(index, &icon);
 745     item->SetIcon(*icon.ToImageSkia());
 746   }
 747
 748   void OnMenuStructureChanged() override {
 749     if (menu_item_->HasSubmenu()) {
 750       // Remove all menu items from submenu.
 751       views::SubmenuView* submenu = menu_item_->GetSubmenu();
 752       while (submenu->child_count() > 0)
 753         menu_item_->RemoveMenuItemAt(submenu->child_count() - 1);
 754
 755       // Remove all elements in |WrenchMenu::command_id_to_entry_| that map to
 756       // |model_|.
 757       WrenchMenu::CommandIDToEntry::iterator iter =
 758           wrench_menu_->command_id_to_entry_.begin();
 759       while (iter != wrench_menu_->command_id_to_entry_.end()) {
 760         if (iter->second.first == model_)
 761           wrench_menu_->command_id_to_entry_.erase(iter++);
 762         else
 763           ++iter;
 764       }
 765     }
 766
 767     // Add all menu items from |model| to submenu.
 768     for (int i = 0; i < model_->GetItemCount(); ++i) {
 769       wrench_menu_->AddMenuItem(menu_item_, i, model_, i, model_->GetTypeAt(i));
 770     }
 771
 772     // In case recent tabs submenu was open when items were changing, force a
 773     // ChildrenChanged().
 774     menu_item_->ChildrenChanged();
 775   }
 776
 777  private:
 778   WrenchMenu* wrench_menu_;
 779   ui::MenuModel* model_;
 780   views::MenuItemView* menu_item_;
 781
 782   DISALLOW_COPY_AND_ASSIGN(RecentTabsMenuModelDelegate);
 783 };
 784
 785 // WrenchMenu ------------------------------------------------------------------
 786
 787 WrenchMenu::WrenchMenu(Browser* browser, int run_flags)
 788     : root_(nullptr),
 789       browser_(browser),
 790       selected_menu_model_(nullptr),
 791       selected_index_(0),
 792       bookmark_menu_(nullptr),
 793       feedback_menu_item_(nullptr),
 794       screenshot_menu_item_(nullptr),
 795       run_flags_(run_flags) {
 796   registrar_.Add(this, chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED,
 797                  content::Source<Profile>(browser_->profile()));
 798 }
 799
 800 WrenchMenu::~WrenchMenu() {
 801   if (bookmark_menu_delegate_.get()) {
 802     BookmarkModel* model = BookmarkModelFactory::GetForProfile(
 803         browser_->profile());
 804     if (model)
 805       model->RemoveObserver(this);
 806   }
 807   FOR_EACH_OBSERVER(WrenchMenuObserver, observer_list_, WrenchMenuDestroyed());
 808 }
 809
 810 void WrenchMenu::Init(ui::MenuModel* model) {
 811   DCHECK(!root_);
 812   root_ = new MenuItemView(this);
 813   root_->set_has_icons(true);  // We have checks, radios and icons, set this
 814                                // so we get the taller menu style.
 815   PopulateMenu(root_, model);
 816
 817   int32 types = views::MenuRunner::HAS_MNEMONICS;
 818   if (for_drop()) {
 819     // We add NESTED_DRAG since currently the only operation to open the wrench
 820     // menu for is an extension action drag, which is controlled by the child
 821     // BrowserActionsContainer view.
 822     types |= views::MenuRunner::FOR_DROP | views::MenuRunner::NESTED_DRAG;
 823   }
 824   menu_runner_.reset(new views::MenuRunner(root_, types));
 825 }
 826
 827 void WrenchMenu::RunMenu(views::MenuButton* host) {
 828   gfx::Point screen_loc;
 829   views::View::ConvertPointToScreen(host, &screen_loc);
 830   gfx::Rect bounds(screen_loc, host->size());
 831   content::RecordAction(UserMetricsAction("ShowAppMenu"));
 832   if (menu_runner_->RunMenuAt(host->GetWidget(),
 833                               host,
 834                               bounds,
 835                               views::MENU_ANCHOR_TOPRIGHT,
 836                               ui::MENU_SOURCE_NONE) ==
 837       views::MenuRunner::MENU_DELETED)
 838     return;
 839   if (bookmark_menu_delegate_.get()) {
 840     BookmarkModel* model = BookmarkModelFactory::GetForProfile(
 841         browser_->profile());
 842     if (model)
 843       model->RemoveObserver(this);
 844   }
 845   if (selected_menu_model_) {
 846     selected_menu_model_->ActivatedAt(selected_index_);
 847   }
 848 }
 849
 850 void WrenchMenu::CloseMenu() {
 851   if (menu_runner_.get())
 852     menu_runner_->Cancel();
 853 }
 854
 855 bool WrenchMenu::IsShowing() {
 856   return menu_runner_.get() && menu_runner_->IsRunning();
 857 }
 858
 859 void WrenchMenu::AddObserver(WrenchMenuObserver* observer) {
 860   observer_list_.AddObserver(observer);
 861 }
 862
 863 void WrenchMenu::RemoveObserver(WrenchMenuObserver* observer) {
 864   observer_list_.RemoveObserver(observer);
 865 }
 866
 867 const gfx::FontList* WrenchMenu::GetLabelFontList(int command_id) const {
 868   if (IsRecentTabsCommand(command_id)) {
 869     return recent_tabs_menu_model_delegate_->GetLabelFontListAt(
 870         ModelIndexFromCommandId(command_id));
 871   }
 872   return NULL;
 873 }
 874
 875 bool WrenchMenu::GetShouldUseDisabledEmphasizedForegroundColor(
 876     int command_id) const {
 877   if (IsRecentTabsCommand(command_id)) {
 878     return recent_tabs_menu_model_delegate_->
 879         GetShouldUseDisabledEmphasizedForegroundColor(
 880             ModelIndexFromCommandId(command_id));
 881   }
 882   return false;
 883 }
 884
 885 base::string16 WrenchMenu::GetTooltipText(int command_id,
 886                                           const gfx::Point& p) const {
 887   return IsBookmarkCommand(command_id) ?
 888       bookmark_menu_delegate_->GetTooltipText(command_id, p) : base::string16();
 889 }
 890
 891 bool WrenchMenu::IsTriggerableEvent(views::MenuItemView* menu,
 892                                     const ui::Event& e) {
 893   return IsBookmarkCommand(menu->GetCommand()) ?
 894       bookmark_menu_delegate_->IsTriggerableEvent(menu, e) :
 895       MenuDelegate::IsTriggerableEvent(menu, e);
 896 }
 897
 898 bool WrenchMenu::GetDropFormats(
 899       MenuItemView* menu,
 900       int* formats,
 901       std::set<ui::OSExchangeData::CustomFormat>* custom_formats) {
 902   CreateBookmarkMenu();
 903   return bookmark_menu_delegate_.get() &&
 904       bookmark_menu_delegate_->GetDropFormats(menu, formats, custom_formats);
 905 }
 906
 907 bool WrenchMenu::AreDropTypesRequired(MenuItemView* menu) {
 908   CreateBookmarkMenu();
 909   return bookmark_menu_delegate_.get() &&
 910       bookmark_menu_delegate_->AreDropTypesRequired(menu);
 911 }
 912
 913 bool WrenchMenu::CanDrop(MenuItemView* menu,
 914                          const ui::OSExchangeData& data) {
 915   CreateBookmarkMenu();
 916   return bookmark_menu_delegate_.get() &&
 917       bookmark_menu_delegate_->CanDrop(menu, data);
 918 }
 919
 920 int WrenchMenu::GetDropOperation(
 921     MenuItemView* item,
 922     const ui::DropTargetEvent& event,
 923     DropPosition* position) {
 924   return IsBookmarkCommand(item->GetCommand()) ?
 925       bookmark_menu_delegate_->GetDropOperation(item, event, position) :
 926       ui::DragDropTypes::DRAG_NONE;
 927 }
 928
 929 int WrenchMenu::OnPerformDrop(MenuItemView* menu,
 930                               DropPosition position,
 931                               const ui::DropTargetEvent& event) {
 932   if (!IsBookmarkCommand(menu->GetCommand()))
 933     return ui::DragDropTypes::DRAG_NONE;
 934
 935   int result = bookmark_menu_delegate_->OnPerformDrop(menu, position, event);
 936   return result;
 937 }
 938
 939 bool WrenchMenu::ShowContextMenu(MenuItemView* source,
 940                                  int command_id,
 941                                  const gfx::Point& p,
 942                                  ui::MenuSourceType source_type) {
 943   return IsBookmarkCommand(command_id) ?
 944       bookmark_menu_delegate_->ShowContextMenu(source, command_id, p,
 945                                                source_type) :
 946       false;
 947 }
 948
 949 bool WrenchMenu::CanDrag(MenuItemView* menu) {
 950   return IsBookmarkCommand(menu->GetCommand()) ?
 951       bookmark_menu_delegate_->CanDrag(menu) : false;
 952 }
 953
 954 void WrenchMenu::WriteDragData(MenuItemView* sender,
 955                                ui::OSExchangeData* data) {
 956   DCHECK(IsBookmarkCommand(sender->GetCommand()));
 957   return bookmark_menu_delegate_->WriteDragData(sender, data);
 958 }
 959
 960 int WrenchMenu::GetDragOperations(MenuItemView* sender) {
 961   return IsBookmarkCommand(sender->GetCommand()) ?
 962       bookmark_menu_delegate_->GetDragOperations(sender) :
 963       MenuDelegate::GetDragOperations(sender);
 964 }
 965
 966 int WrenchMenu::GetMaxWidthForMenu(MenuItemView* menu) {
 967   if (IsBookmarkCommand(menu->GetCommand()))
 968     return bookmark_menu_delegate_->GetMaxWidthForMenu(menu);
 969   return MenuDelegate::GetMaxWidthForMenu(menu);
 970 }
 971
 972 bool WrenchMenu::IsItemChecked(int command_id) const {
 973   if (IsBookmarkCommand(command_id))
 974     return false;
 975
 976   const Entry& entry = command_id_to_entry_.find(command_id)->second;
 977   return entry.first->IsItemCheckedAt(entry.second);
 978 }
 979
 980 bool WrenchMenu::IsCommandEnabled(int command_id) const {
 981   if (IsBookmarkCommand(command_id))
 982     return true;
 983
 984   if (command_id == 0)
 985     return false;  // The root item.
 986
 987   if (command_id == IDC_MORE_TOOLS_MENU)
 988     return true;
 989
 990   // The items representing the cut menu (cut/copy/paste), zoom menu
 991   // (increment/decrement/reset) and extension toolbar view are always enabled.
 992   // The child views of these items enabled state updates appropriately.
 993   if (command_id == IDC_EDIT_MENU || command_id == IDC_ZOOM_MENU ||
 994       command_id == IDC_EXTENSIONS_OVERFLOW_MENU)
 995     return true;
 996
 997   const Entry& entry = command_id_to_entry_.find(command_id)->second;
 998   return entry.first->IsEnabledAt(entry.second);
 999 }
1000
1001 void WrenchMenu::ExecuteCommand(int command_id, int mouse_event_flags) {
1002   if (IsBookmarkCommand(command_id)) {
1003     UMA_HISTOGRAM_MEDIUM_TIMES("WrenchMenu.TimeToAction.OpenBookmark",
1004                         menu_opened_timer_.Elapsed());
1005     UMA_HISTOGRAM_ENUMERATION("WrenchMenu.MenuAction",
1006                               MENU_ACTION_BOOKMARK_OPEN, LIMIT_MENU_ACTION);
1007     bookmark_menu_delegate_->ExecuteCommand(command_id, mouse_event_flags);
1008     return;
1009   }
1010
1011   if (command_id == IDC_EDIT_MENU || command_id == IDC_ZOOM_MENU ||
1012       command_id == IDC_EXTENSIONS_OVERFLOW_MENU) {
1013     // These items are represented by child views. If ExecuteCommand is invoked
1014     // it means the user clicked on the area around the buttons and we should
1015     // not do anyting.
1016     return;
1017   }
1018
1019   const Entry& entry = command_id_to_entry_.find(command_id)->second;
1020   return entry.first->ActivatedAt(entry.second, mouse_event_flags);
1021 }
1022
1023 bool WrenchMenu::GetAccelerator(int command_id,
1024                                 ui::Accelerator* accelerator) const {
1025   if (IsBookmarkCommand(command_id))
1026     return false;
1027
1028   if (command_id == IDC_EDIT_MENU || command_id == IDC_ZOOM_MENU ||
1029       command_id == IDC_EXTENSIONS_OVERFLOW_MENU) {
1030     // These have special child views; don't show the accelerator for them.
1031     return false;
1032   }
1033
1034   CommandIDToEntry::const_iterator ix = command_id_to_entry_.find(command_id);
1035   const Entry& entry = ix->second;
1036   ui::Accelerator menu_accelerator;
1037   if (!entry.first->GetAcceleratorAt(entry.second, &menu_accelerator))
1038     return false;
1039
1040   *accelerator = ui::Accelerator(menu_accelerator.key_code(),
1041                                  menu_accelerator.modifiers());
1042   return true;
1043 }
1044
1045 void WrenchMenu::WillShowMenu(MenuItemView* menu) {
1046   if (menu == bookmark_menu_)
1047     CreateBookmarkMenu();
1048   else if (bookmark_menu_delegate_)
1049     bookmark_menu_delegate_->WillShowMenu(menu);
1050 }
1051
1052 void WrenchMenu::WillHideMenu(MenuItemView* menu) {
1053   // Turns off the fade out animation of the wrench menus if
1054   // |feedback_menu_item_| or |screenshot_menu_item_| is selected.  This
1055   // excludes the wrench menu itself from the screenshot.
1056   if (menu->HasSubmenu() &&
1057       ((feedback_menu_item_ && feedback_menu_item_->IsSelected()) ||
1058        (screenshot_menu_item_ && screenshot_menu_item_->IsSelected()))) {
1059     // It's okay to just turn off the animation and not turn it back on because
1060     // the menu widget will be recreated next time it's opened. See
1061     // ToolbarView::RunMenu() and Init() of this class.
1062     menu->GetSubmenu()->GetWidget()->
1063         SetVisibilityChangedAnimationsEnabled(false);
1064   }
1065 }
1066
1067 bool WrenchMenu::ShouldCloseOnDragComplete() {
1068   return false;
1069 }
1070
1071 void WrenchMenu::BookmarkModelChanged() {
1072   DCHECK(bookmark_menu_delegate_.get());
1073   if (!bookmark_menu_delegate_->is_mutating_model())
1074     root_->Cancel();
1075 }
1076
1077 void WrenchMenu::Observe(int type,
1078                          const content::NotificationSource& source,
1079                          const content::NotificationDetails& details) {
1080   switch (type) {
1081     case chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED:
1082       // A change in the global errors list can add or remove items from the
1083       // menu. Close the menu to avoid have a stale menu on-screen.
1084       if (root_)
1085         root_->Cancel();
1086       break;
1087     default:
1088       NOTREACHED();
1089   }
1090 }
1091
1092 void WrenchMenu::PopulateMenu(MenuItemView* parent,
1093                               MenuModel* model) {
1094   for (int i = 0, max = model->GetItemCount(); i < max; ++i) {
1095     // Add the menu item at the end.
1096     int menu_index = parent->HasSubmenu() ?
1097         parent->GetSubmenu()->child_count() : 0;
1098     MenuItemView* item =
1099         AddMenuItem(parent, menu_index, model, i, model->GetTypeAt(i));
1100
1101     if (model->GetCommandIdAt(i) == IDC_EDIT_MENU ||
1102         model->GetCommandIdAt(i) == IDC_ZOOM_MENU) {
1103       const MenuConfig& config = item->GetMenuConfig();
1104       int top_margin = config.item_top_margin + config.separator_height / 2;
1105       int bottom_margin =
1106           config.item_bottom_margin + config.separator_height / 2;
1107
1108       // Chromeos adds extra vertical space for the menu buttons.
1109 #if defined(OS_CHROMEOS)
1110       top_margin += 4;
1111       bottom_margin += 5;
1112 #endif
1113
1114       item->SetMargins(top_margin, bottom_margin);
1115     }
1116
1117     if (model->GetTypeAt(i) == MenuModel::TYPE_SUBMENU)
1118       PopulateMenu(item, model->GetSubmenuModelAt(i));
1119
1120     switch (model->GetCommandIdAt(i)) {
1121       case IDC_EXTENSIONS_OVERFLOW_MENU: {
1122         scoped_ptr<ExtensionToolbarMenuView> extension_toolbar(
1123             new ExtensionToolbarMenuView(browser_, this));
1124         if (extension_toolbar->ShouldShow())
1125           item->AddChildView(extension_toolbar.release());
1126         else
1127           item->SetVisible(false);
1128         break;
1129       }
1130
1131       case IDC_EDIT_MENU: {
1132         ui::ButtonMenuItemModel* submodel = model->GetButtonMenuItemAt(i);
1133         DCHECK_EQ(IDC_CUT, submodel->GetCommandIdAt(0));
1134         DCHECK_EQ(IDC_COPY, submodel->GetCommandIdAt(1));
1135         DCHECK_EQ(IDC_PASTE, submodel->GetCommandIdAt(2));
1136         item->SetTitle(l10n_util::GetStringUTF16(IDS_EDIT2));
1137         item->AddChildView(new CutCopyPasteView(this, submodel, 0, 1, 2));
1138         break;
1139       }
1140
1141       case IDC_ZOOM_MENU: {
1142         ui::ButtonMenuItemModel* submodel = model->GetButtonMenuItemAt(i);
1143         DCHECK_EQ(IDC_ZOOM_MINUS, submodel->GetCommandIdAt(0));
1144         DCHECK_EQ(IDC_ZOOM_PLUS, submodel->GetCommandIdAt(1));
1145         DCHECK_EQ(IDC_FULLSCREEN, submodel->GetCommandIdAt(2));
1146         item->SetTitle(l10n_util::GetStringUTF16(IDS_ZOOM_MENU2));
1147         item->AddChildView(new ZoomView(this, submodel, 0, 1, 2));
1148         break;
1149       }
1150
1151       case IDC_BOOKMARKS_MENU:
1152         DCHECK(!bookmark_menu_);
1153         bookmark_menu_ = item;
1154         break;
1155
1156 #if defined(GOOGLE_CHROME_BUILD)
1157       case IDC_FEEDBACK:
1158         DCHECK(!feedback_menu_item_);
1159         feedback_menu_item_ = item;
1160         break;
1161 #endif
1162
1163 #if defined(OS_CHROMEOS)
1164       case IDC_TAKE_SCREENSHOT:
1165         DCHECK(!screenshot_menu_item_);
1166         screenshot_menu_item_ = item;
1167         break;
1168 #endif
1169
1170       case IDC_RECENT_TABS_MENU:
1171         DCHECK(!recent_tabs_menu_model_delegate_.get());
1172         recent_tabs_menu_model_delegate_.reset(
1173             new RecentTabsMenuModelDelegate(this, model->GetSubmenuModelAt(i),
1174                                             item));
1175         break;
1176
1177       default:
1178         break;
1179     }
1180   }
1181 }
1182
1183 MenuItemView* WrenchMenu::AddMenuItem(MenuItemView* parent,
1184                                       int menu_index,
1185                                       MenuModel* model,
1186                                       int model_index,
1187                                       MenuModel::ItemType menu_type) {
1188   int command_id = model->GetCommandIdAt(model_index);
1189   DCHECK(command_id > -1 ||
1190          (command_id == -1 &&
1191           model->GetTypeAt(model_index) == MenuModel::TYPE_SEPARATOR));
1192   DCHECK_LT(command_id, IDC_FIRST_BOOKMARK_MENU);
1193
1194   if (command_id > -1) {  // Don't add separators to |command_id_to_entry_|.
1195     // All command ID's should be unique except for IDC_SHOW_HISTORY which is
1196     // in both wrench menu and RecentTabs submenu,
1197     if (command_id != IDC_SHOW_HISTORY) {
1198       DCHECK(command_id_to_entry_.find(command_id) ==
1199              command_id_to_entry_.end())
1200           << "command ID " << command_id << " already exists!";
1201     }
1202     command_id_to_entry_[command_id].first = model;
1203     command_id_to_entry_[command_id].second = model_index;
1204   }
1205
1206   MenuItemView* menu_item = views::MenuModelAdapter::AddMenuItemFromModelAt(
1207       model, model_index, parent, menu_index, command_id);
1208
1209   if (menu_item) {
1210     // Flush all buttons to the right side of the menu for the new menu type.
1211     menu_item->set_use_right_margin(false);
1212     menu_item->SetVisible(model->IsVisibleAt(model_index));
1213
1214     if (menu_type == MenuModel::TYPE_COMMAND && model->HasIcons()) {
1215       gfx::Image icon;
1216       if (model->GetIconAt(model_index, &icon))
1217         menu_item->SetIcon(*icon.ToImageSkia());
1218     }
1219   }
1220
1221   return menu_item;
1222 }
1223
1224 void WrenchMenu::CancelAndEvaluate(ButtonMenuItemModel* model, int index) {
1225   selected_menu_model_ = model;
1226   selected_index_ = index;
1227   root_->Cancel();
1228 }
1229
1230 void WrenchMenu::CreateBookmarkMenu() {
1231   if (bookmark_menu_delegate_.get())
1232     return;  // Already created the menu.
1233
1234   BookmarkModel* model =
1235       BookmarkModelFactory::GetForProfile(browser_->profile());
1236   if (!model->loaded())
1237     return;
1238
1239   model->AddObserver(this);
1240
1241   // TODO(oshima): Replace with views only API.
1242   views::Widget* parent = views::Widget::GetWidgetForNativeWindow(
1243       browser_->window()->GetNativeWindow());
1244   bookmark_menu_delegate_.reset(
1245       new BookmarkMenuDelegate(browser_, browser_, parent));
1246   bookmark_menu_delegate_->Init(this,
1247                                 bookmark_menu_,
1248                                 model->bookmark_bar_node(),
1249                                 0,
1250                                 BookmarkMenuDelegate::SHOW_PERMANENT_FOLDERS,
1251                                 BOOKMARK_LAUNCH_LOCATION_WRENCH_MENU);
1252 }
1253
1254 int WrenchMenu::ModelIndexFromCommandId(int command_id) const {
1255   CommandIDToEntry::const_iterator ix = command_id_to_entry_.find(command_id);
1256   DCHECK(ix != command_id_to_entry_.end());
1257   return ix->second.second;
1258 }