chrome/browser/ui/views/frame/browser_view.cc

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/views/frame/browser_view.h"
   6
   7 #include <algorithm>
   8
   9 #include "base/auto_reset.h"
  10 #include "base/command_line.h"
  11 #include "base/i18n/rtl.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/metrics/histogram.h"
  14 #include "base/prefs/pref_service.h"
  15 #include "base/profiler/scoped_tracker.h"
  16 #include "base/strings/string_number_conversions.h"
  17 #include "chrome/app/chrome_command_ids.h"
  18 #include "chrome/app/chrome_dll_resource.h"
  19 #include "chrome/browser/app_mode/app_mode_utils.h"
  20 #include "chrome/browser/bookmarks/bookmark_stats.h"
  21 #include "chrome/browser/browser_process.h"
  22 #include "chrome/browser/chrome_notification_types.h"
  23 #include "chrome/browser/extensions/extension_util.h"
  24 #include "chrome/browser/extensions/tab_helper.h"
  25 #include "chrome/browser/infobars/infobar_service.h"
  26 #include "chrome/browser/native_window_notification_source.h"
  27 #include "chrome/browser/profiles/avatar_menu.h"
  28 #include "chrome/browser/profiles/profile.h"
  29 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
  30 #include "chrome/browser/profiles/profile_info_cache.h"
  31 #include "chrome/browser/profiles/profile_manager.h"
  32 #include "chrome/browser/profiles/profile_window.h"
  33 #include "chrome/browser/profiles/profiles_state.h"
  34 #include "chrome/browser/search/search.h"
  35 #include "chrome/browser/sessions/tab_restore_service.h"
  36 #include "chrome/browser/sessions/tab_restore_service_factory.h"
  37 #include "chrome/browser/signin/signin_header_helper.h"
  38 #include "chrome/browser/themes/theme_properties.h"
  39 #include "chrome/browser/themes/theme_service_factory.h"
  40 #include "chrome/browser/translate/chrome_translate_client.h"
  41 #include "chrome/browser/ui/bookmarks/bookmark_bar_constants.h"
  42 #include "chrome/browser/ui/bookmarks/bookmark_bubble_delegate.h"
  43 #include "chrome/browser/ui/bookmarks/bookmark_bubble_sign_in_delegate.h"
  44 #include "chrome/browser/ui/browser.h"
  45 #include "chrome/browser/ui/browser_command_controller.h"
  46 #include "chrome/browser/ui/browser_commands.h"
  47 #include "chrome/browser/ui/browser_dialogs.h"
  48 #include "chrome/browser/ui/browser_finder.h"
  49 #include "chrome/browser/ui/browser_list.h"
  50 #include "chrome/browser/ui/browser_window_state.h"
  51 #include "chrome/browser/ui/omnibox/omnibox_popup_model.h"
  52 #include "chrome/browser/ui/omnibox/omnibox_popup_view.h"
  53 #include "chrome/browser/ui/omnibox/omnibox_view.h"
  54 #include "chrome/browser/ui/search/search_delegate.h"
  55 #include "chrome/browser/ui/search/search_model.h"
  56 #include "chrome/browser/ui/search/search_ui.h"
  57 #include "chrome/browser/ui/tabs/tab_menu_model.h"
  58 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  59 #include "chrome/browser/ui/view_ids.h"
  60 #include "chrome/browser/ui/views/accelerator_table.h"
  61 #include "chrome/browser/ui/views/accessibility/invert_bubble_view.h"
  62 #include "chrome/browser/ui/views/bookmarks/bookmark_bar_view.h"
  63 #include "chrome/browser/ui/views/bookmarks/bookmark_bubble_view.h"
  64 #include "chrome/browser/ui/views/browser_dialogs.h"
  65 #include "chrome/browser/ui/views/download/download_in_progress_dialog_view.h"
  66 #include "chrome/browser/ui/views/download/download_shelf_view.h"
  67 #include "chrome/browser/ui/views/exclusive_access_bubble_views.h"
  68 #include "chrome/browser/ui/views/extensions/bookmark_app_bubble_view.h"
  69 #include "chrome/browser/ui/views/frame/browser_view_layout.h"
  70 #include "chrome/browser/ui/views/frame/browser_view_layout_delegate.h"
  71 #include "chrome/browser/ui/views/frame/contents_layout_manager.h"
  72 #include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
  73 #include "chrome/browser/ui/views/frame/top_container_view.h"
  74 #include "chrome/browser/ui/views/frame/web_contents_close_handler.h"
  75 #include "chrome/browser/ui/views/infobars/infobar_container_view.h"
  76 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
  77 #include "chrome/browser/ui/views/location_bar/location_icon_view.h"
  78 #include "chrome/browser/ui/views/location_bar/zoom_bubble_view.h"
  79 #include "chrome/browser/ui/views/omnibox/omnibox_view_views.h"
  80 #include "chrome/browser/ui/views/profiles/avatar_menu_bubble_view.h"
  81 #include "chrome/browser/ui/views/profiles/avatar_menu_button.h"
  82 #include "chrome/browser/ui/views/profiles/profile_chooser_view.h"
  83 #include "chrome/browser/ui/views/profiles/profile_reset_bubble_view.h"
  84 #include "chrome/browser/ui/views/session_crashed_bubble_view.h"
  85 #include "chrome/browser/ui/views/settings_api_bubble_helper_views.h"
  86 #include "chrome/browser/ui/views/status_bubble_views.h"
  87 #include "chrome/browser/ui/views/tabs/browser_tab_strip_controller.h"
  88 #include "chrome/browser/ui/views/tabs/tab.h"
  89 #include "chrome/browser/ui/views/tabs/tab_strip.h"
  90 #include "chrome/browser/ui/views/toolbar/reload_button.h"
  91 #include "chrome/browser/ui/views/toolbar/toolbar_view.h"
  92 #include "chrome/browser/ui/views/toolbar/wrench_toolbar_button.h"
  93 #include "chrome/browser/ui/views/translate/translate_bubble_view.h"
  94 #include "chrome/browser/ui/views/update_recommended_message_box.h"
  95 #include "chrome/browser/ui/views/website_settings/permissions_bubble_view.h"
  96 #include "chrome/browser/ui/views/website_settings/website_settings_popup_view.h"
  97 #include "chrome/browser/ui/website_settings/permission_bubble_manager.h"
  98 #include "chrome/browser/ui/window_sizer/window_sizer.h"
  99 #include "chrome/common/chrome_switches.h"
 100 #include "chrome/common/pref_names.h"
 101 #include "chrome/common/url_constants.h"
 102 #include "chrome/grit/chromium_strings.h"
 103 #include "chrome/grit/generated_resources.h"
 104 #include "chrome/grit/locale_settings.h"
 105 #include "components/app_modal/app_modal_dialog.h"
 106 #include "components/app_modal/app_modal_dialog_queue.h"
 107 #include "components/app_modal/native_app_modal_dialog.h"
 108 #include "components/signin/core/common/profile_management_switches.h"
 109 #include "components/translate/core/browser/language_state.h"
 110 #include "content/app/resources/grit/content_resources.h"
 111 #include "content/public/browser/download_manager.h"
 112 #include "content/public/browser/notification_service.h"
 113 #include "content/public/browser/render_frame_host.h"
 114 #include "content/public/browser/render_view_host.h"
 115 #include "content/public/browser/render_widget_host_view.h"
 116 #include "content/public/browser/user_metrics.h"
 117 #include "content/public/browser/web_contents.h"
 118 #include "content/public/common/content_switches.h"
 119 #include "grit/theme_resources.h"
 120 #include "ui/accessibility/ax_view_state.h"
 121 #include "ui/base/accelerators/accelerator.h"
 122 #include "ui/base/hit_test.h"
 123 #include "ui/base/l10n/l10n_util.h"
 124 #include "ui/base/resource/resource_bundle.h"
 125 #include "ui/base/theme_provider.h"
 126 #include "ui/content_accelerators/accelerator_util.h"
 127 #include "ui/events/event_utils.h"
 128 #include "ui/gfx/canvas.h"
 129 #include "ui/gfx/color_utils.h"
 130 #include "ui/gfx/geometry/rect_conversions.h"
 131 #include "ui/gfx/screen.h"
 132 #include "ui/strings/grit/ui_strings.h"
 133 #include "ui/views/controls/button/menu_button.h"
 134 #include "ui/views/controls/textfield/textfield.h"
 135 #include "ui/views/controls/webview/webview.h"
 136 #include "ui/views/focus/external_focus_tracker.h"
 137 #include "ui/views/focus/view_storage.h"
 138 #include "ui/views/layout/grid_layout.h"
 139 #include "ui/views/widget/native_widget.h"
 140 #include "ui/views/widget/root_view.h"
 141 #include "ui/views/widget/widget.h"
 142 #include "ui/views/window/dialog_delegate.h"
 143
 144 #if defined(USE_AURA)
 145 #include "ui/aura/client/window_tree_client.h"
 146 #include "ui/aura/window.h"
 147 #include "ui/aura/window_tree_host.h"
 148 #endif
 149
 150 #if defined(OS_WIN)
 151 #include "base/win/windows_version.h"
 152 #include "chrome/browser/jumplist_win.h"
 153 #include "ui/views/win/scoped_fullscreen_visibility.h"
 154 #endif
 155
 156 #if defined(ENABLE_ONE_CLICK_SIGNIN)
 157 #include "chrome/browser/ui/sync/one_click_signin_bubble_delegate.h"
 158 #include "chrome/browser/ui/sync/one_click_signin_bubble_links_delegate.h"
 159 #include "chrome/browser/ui/views/sync/one_click_signin_bubble_view.h"
 160 #endif
 161
 162 #if defined(OS_CHROMEOS)
 163 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
 164 #endif
 165
 166 using base::TimeDelta;
 167 using base::UserMetricsAction;
 168 using content::NativeWebKeyboardEvent;
 169 using content::SSLStatus;
 170 using content::WebContents;
 171 using views::ColumnSet;
 172 using views::GridLayout;
 173 using web_modal::WebContentsModalDialogHost;
 174
 175 namespace {
 176
 177 // The name of a key to store on the window handle so that other code can
 178 // locate this object using just the handle.
 179 const char* const kBrowserViewKey = "__BROWSER_VIEW__";
 180
 181 // The number of milliseconds between loading animation frames.
 182 const int kLoadingAnimationFrameTimeMs = 30;
 183
 184 // Paints the horizontal border separating the Bookmarks Bar from the Toolbar
 185 // or page content according to |at_top| with |color|.
 186 void PaintHorizontalBorder(gfx::Canvas* canvas,
 187                            BookmarkBarView* view,
 188                            bool at_top,
 189                            SkColor color) {
 190   int thickness = views::NonClientFrameView::kClientEdgeThickness;
 191   int y = at_top ? 0 : (view->height() - thickness);
 192   canvas->FillRect(gfx::Rect(0, y, view->width(), thickness), color);
 193 }
 194
 195 // TODO(kuan): These functions are temporarily for the bookmark bar while its
 196 // detached state is at the top of the page;  it'll be moved to float on the
 197 // content page in the very near future, at which time, these local functions
 198 // will be removed.
 199 void PaintDetachedBookmarkBar(gfx::Canvas* canvas,
 200                               BookmarkBarView* view,
 201                               ThemeService* theme_service) {
 202   // Paint background for detached state; if animating, this is fade in/out.
 203   canvas->DrawColor(
 204       chrome::GetDetachedBookmarkBarBackgroundColor(theme_service));
 205   // Draw the separators above and below bookmark bar;
 206   // if animating, these are fading in/out.
 207   SkColor separator_color =
 208       chrome::GetDetachedBookmarkBarSeparatorColor(theme_service);
 209   PaintHorizontalBorder(canvas, view, true, separator_color);
 210   // The bottom border needs to be 1-px thick in both regular and retina
 211   // displays, so we can't use PaintHorizontalBorder which paints a 2-px thick
 212   // border in retina display.
 213   SkPaint paint;
 214   paint.setAntiAlias(false);
 215   // Sets border to 1-px thick regardless of scale factor.
 216   paint.setStrokeWidth(0);
 217   // Bottom border is at 50% opacity of top border.
 218   paint.setColor(SkColorSetA(separator_color,
 219                              SkColorGetA(separator_color) / 2));
 220   // Calculate thickness of bottom border as per current scale factor to
 221   // determine where to draw the 1-px thick border.
 222   float thickness = views::NonClientFrameView::kClientEdgeThickness /
 223                     canvas->image_scale();
 224   SkScalar y = SkIntToScalar(view->height()) - SkFloatToScalar(thickness);
 225   canvas->sk_canvas()->drawLine(SkIntToScalar(0), y,
 226                                 SkIntToScalar(view->width()), y, paint);
 227 }
 228
 229 // Paints the background (including the theme image behind content area) for
 230 // the Bookmarks Bar when it is attached to the Toolbar into |bounds|.
 231 // |background_origin| is the origin to use for painting the theme image.
 232 void PaintBackgroundAttachedMode(gfx::Canvas* canvas,
 233                                  ui::ThemeProvider* theme_provider,
 234                                  const gfx::Rect& bounds,
 235                                  const gfx::Point& background_origin,
 236                                  chrome::HostDesktopType host_desktop_type) {
 237   canvas->FillRect(bounds,
 238                    theme_provider->GetColor(ThemeProperties::COLOR_TOOLBAR));
 239   canvas->TileImageInt(*theme_provider->GetImageSkiaNamed(IDR_THEME_TOOLBAR),
 240                        background_origin.x(),
 241                        background_origin.y(),
 242                        bounds.x(),
 243                        bounds.y(),
 244                        bounds.width(),
 245                        bounds.height());
 246
 247   if (host_desktop_type == chrome::HOST_DESKTOP_TYPE_ASH) {
 248     // Ash provides additional lightening at the edges of the toolbar.
 249     gfx::ImageSkia* toolbar_left =
 250         theme_provider->GetImageSkiaNamed(IDR_TOOLBAR_SHADE_LEFT);
 251     canvas->TileImageInt(*toolbar_left,
 252                          bounds.x(),
 253                          bounds.y(),
 254                          toolbar_left->width(),
 255                          bounds.height());
 256     gfx::ImageSkia* toolbar_right =
 257         theme_provider->GetImageSkiaNamed(IDR_TOOLBAR_SHADE_RIGHT);
 258     canvas->TileImageInt(*toolbar_right,
 259                          bounds.right() - toolbar_right->width(),
 260                          bounds.y(),
 261                          toolbar_right->width(),
 262                          bounds.height());
 263   }
 264 }
 265
 266 void PaintAttachedBookmarkBar(gfx::Canvas* canvas,
 267                               BookmarkBarView* view,
 268                               BrowserView* browser_view,
 269                               chrome::HostDesktopType host_desktop_type,
 270                               int toolbar_overlap) {
 271   // Paint background for attached state, this is fade in/out.
 272   gfx::Point background_image_offset =
 273       browser_view->OffsetPointForToolbarBackgroundImage(
 274           gfx::Point(view->GetMirroredX(), view->y()));
 275   PaintBackgroundAttachedMode(canvas,
 276                               view->GetThemeProvider(),
 277                               view->GetLocalBounds(),
 278                               background_image_offset,
 279                               host_desktop_type);
 280   if (view->height() >= toolbar_overlap) {
 281     // Draw the separator below the Bookmarks Bar; this is fading in/out.
 282     PaintHorizontalBorder(canvas,
 283                           view,
 284                           false,
 285                           ThemeProperties::GetDefaultColor(
 286                               ThemeProperties::COLOR_TOOLBAR_SEPARATOR));
 287   }
 288 }
 289
 290 }  // namespace
 291
 292 ///////////////////////////////////////////////////////////////////////////////
 293 // Delegate implementation for BrowserViewLayout. Usually just forwards calls
 294 // into BrowserView.
 295 class BrowserViewLayoutDelegateImpl : public BrowserViewLayoutDelegate {
 296  public:
 297   explicit BrowserViewLayoutDelegateImpl(BrowserView* browser_view)
 298       : browser_view_(browser_view) {}
 299   ~BrowserViewLayoutDelegateImpl() override {}
 300
 301   // BrowserViewLayoutDelegate overrides:
 302   views::View* GetContentsWebView() const override {
 303     return browser_view_->contents_web_view_;
 304   }
 305
 306   bool DownloadShelfNeedsLayout() const override {
 307     DownloadShelfView* download_shelf = browser_view_->download_shelf_.get();
 308     // Re-layout the shelf either if it is visible or if its close animation
 309     // is currently running.
 310     return download_shelf &&
 311            (download_shelf->IsShowing() || download_shelf->IsClosing());
 312   }
 313
 314   bool IsTabStripVisible() const override {
 315     return browser_view_->IsTabStripVisible();
 316   }
 317
 318   gfx::Rect GetBoundsForTabStripInBrowserView() const override {
 319     gfx::RectF bounds_f(browser_view_->frame()->GetBoundsForTabStrip(
 320         browser_view_->tabstrip()));
 321     views::View::ConvertRectToTarget(browser_view_->parent(), browser_view_,
 322         &bounds_f);
 323     return gfx::ToEnclosingRect(bounds_f);
 324   }
 325
 326   int GetTopInsetInBrowserView() const override {
 327     return browser_view_->frame()->GetTopInset() -
 328         browser_view_->y();
 329   }
 330
 331   int GetThemeBackgroundXInset() const override {
 332     // TODO(pkotwicz): Return the inset with respect to the left edge of the
 333     // BrowserView.
 334     return browser_view_->frame()->GetThemeBackgroundXInset();
 335   }
 336
 337   bool IsToolbarVisible() const override {
 338     return browser_view_->IsToolbarVisible();
 339   }
 340
 341   bool IsBookmarkBarVisible() const override {
 342     return browser_view_->IsBookmarkBarVisible();
 343   }
 344
 345   ExclusiveAccessBubbleViews* GetExclusiveAccessBubble() const override {
 346     return browser_view_->exclusive_access_bubble();
 347   }
 348
 349  private:
 350   BrowserView* browser_view_;
 351
 352   DISALLOW_COPY_AND_ASSIGN(BrowserViewLayoutDelegateImpl);
 353 };
 354
 355 // This class is used to paint the background for Bookmarks Bar.
 356 class BookmarkBarViewBackground : public views::Background {
 357  public:
 358   BookmarkBarViewBackground(BrowserView* browser_view,
 359                             BookmarkBarView* bookmark_bar_view,
 360                             Browser* browser);
 361
 362   // views:Background:
 363   void Paint(gfx::Canvas* canvas, views::View* view) const override;
 364
 365  private:
 366   BrowserView* browser_view_;
 367
 368   // The view hosting this background.
 369   BookmarkBarView* bookmark_bar_view_;
 370
 371   Browser* browser_;
 372
 373   DISALLOW_COPY_AND_ASSIGN(BookmarkBarViewBackground);
 374 };
 375
 376 BookmarkBarViewBackground::BookmarkBarViewBackground(
 377     BrowserView* browser_view,
 378     BookmarkBarView* bookmark_bar_view,
 379     Browser* browser)
 380     : browser_view_(browser_view),
 381       bookmark_bar_view_(bookmark_bar_view),
 382       browser_(browser) {
 383 }
 384
 385 void BookmarkBarViewBackground::Paint(gfx::Canvas* canvas,
 386                                       views::View* view) const {
 387   int toolbar_overlap = bookmark_bar_view_->GetToolbarOverlap();
 388   if (!bookmark_bar_view_->IsDetached()) {
 389     PaintAttachedBookmarkBar(canvas,
 390                              bookmark_bar_view_,
 391                              browser_view_,
 392                              browser_->host_desktop_type(),
 393                              toolbar_overlap);
 394     return;
 395   }
 396
 397   // As 'hidden' according to the animation is the full in-tab state, we invert
 398   // the value - when current_state is at '0', we expect the bar to be docked.
 399   double current_state = 1 - bookmark_bar_view_->GetAnimationValue();
 400
 401   ThemeService* ts = ThemeServiceFactory::GetForProfile(browser_->profile());
 402   if (current_state == 0.0 || current_state == 1.0) {
 403     PaintDetachedBookmarkBar(canvas, bookmark_bar_view_, ts);
 404     return;
 405   }
 406   // While animating, set opacity to cross-fade between attached and detached
 407   // backgrounds including their respective separators.
 408   int detached_alpha = static_cast<uint8>(current_state * 255);
 409   int attached_alpha = 255 - detached_alpha;
 410   if (browser_->bookmark_bar_state() == BookmarkBar::DETACHED) {
 411     // To animate from attached to detached state:
 412     // - fade out attached background
 413     // - fade in detached background.
 414     canvas->SaveLayerAlpha(attached_alpha);
 415     PaintAttachedBookmarkBar(canvas,
 416                              bookmark_bar_view_,
 417                              browser_view_,
 418                              browser_->host_desktop_type(),
 419                              toolbar_overlap);
 420     canvas->Restore();
 421     canvas->SaveLayerAlpha(detached_alpha);
 422     PaintDetachedBookmarkBar(canvas, bookmark_bar_view_, ts);
 423   } else {
 424     // To animate from detached to attached state:
 425     // - fade out detached background
 426     // - fade in attached background.
 427     canvas->SaveLayerAlpha(detached_alpha);
 428     PaintDetachedBookmarkBar(canvas, bookmark_bar_view_, ts);
 429     canvas->Restore();
 430     canvas->SaveLayerAlpha(attached_alpha);
 431     PaintAttachedBookmarkBar(canvas,
 432                              bookmark_bar_view_,
 433                              browser_view_,
 434                              browser_->host_desktop_type(),
 435                              toolbar_overlap);
 436   }
 437   canvas->Restore();
 438 }
 439
 440 ///////////////////////////////////////////////////////////////////////////////
 441 // BrowserView, public:
 442
 443 // static
 444 const char BrowserView::kViewClassName[] = "BrowserView";
 445
 446 BrowserView::BrowserView()
 447     : views::ClientView(nullptr, nullptr),
 448       last_focused_view_storage_id_(
 449           views::ViewStorage::GetInstance()->CreateStorageID()),
 450       frame_(nullptr),
 451       top_container_(nullptr),
 452       tabstrip_(nullptr),
 453       toolbar_(nullptr),
 454       find_bar_host_view_(nullptr),
 455       infobar_container_(nullptr),
 456       contents_web_view_(nullptr),
 457       contents_container_(nullptr),
 458       initialized_(false),
 459       in_process_fullscreen_(false),
 460 #if defined(OS_WIN)
 461       hung_window_detector_(&hung_plugin_action_),
 462       ticker_(0),
 463 #endif
 464       force_location_bar_focus_(false),
 465       activate_modal_dialog_factory_(this) {
 466 }
 467
 468 BrowserView::~BrowserView() {
 469   // All the tabs should have been destroyed already. If we were closed by the
 470   // OS with some tabs than the NativeBrowserFrame should have destroyed them.
 471   DCHECK_EQ(0, browser_->tab_strip_model()->count());
 472
 473   // Immersive mode may need to reparent views before they are removed/deleted.
 474   immersive_mode_controller_.reset();
 475
 476   browser_->tab_strip_model()->RemoveObserver(this);
 477
 478 #if defined(OS_WIN)
 479   // Stop hung plugin monitoring.
 480   ticker_.Stop();
 481   ticker_.UnregisterTickHandler(&hung_window_detector_);
 482
 483   // Terminate the jumplist (must be called before browser_->profile() is
 484   // destroyed.
 485   if (jumplist_.get()) {
 486     jumplist_->Terminate();
 487   }
 488 #endif
 489
 490   // We destroy the download shelf before |browser_| to remove its child
 491   // download views from the set of download observers (since the observed
 492   // downloads can be destroyed along with |browser_| and the observer
 493   // notifications will call back into deleted objects).
 494   BrowserViewLayout* browser_view_layout = GetBrowserViewLayout();
 495   if (browser_view_layout)
 496     browser_view_layout->set_download_shelf(nullptr);
 497   download_shelf_.reset();
 498
 499   // The TabStrip attaches a listener to the model. Make sure we shut down the
 500   // TabStrip first so that it can cleanly remove the listener.
 501   if (tabstrip_) {
 502     tabstrip_->parent()->RemoveChildView(tabstrip_);
 503     if (browser_view_layout)
 504       browser_view_layout->set_tab_strip(nullptr);
 505     delete tabstrip_;
 506     tabstrip_ = nullptr;
 507   }
 508   // Child views maintain PrefMember attributes that point to
 509   // OffTheRecordProfile's PrefService which gets deleted by ~Browser.
 510   RemoveAllChildViews(true);
 511   toolbar_ = nullptr;
 512
 513   // Explicitly set browser_ to null.
 514   browser_.reset();
 515 }
 516
 517 void BrowserView::Init(Browser* browser) {
 518   browser_.reset(browser);
 519   browser_->tab_strip_model()->AddObserver(this);
 520   immersive_mode_controller_.reset(
 521       chrome::CreateImmersiveModeController(browser_->host_desktop_type()));
 522 }
 523
 524 // static
 525 BrowserView* BrowserView::GetBrowserViewForNativeWindow(
 526     gfx::NativeWindow window) {
 527   views::Widget* widget = views::Widget::GetWidgetForNativeWindow(window);
 528   return widget ?
 529       reinterpret_cast<BrowserView*>(widget->GetNativeWindowProperty(
 530           kBrowserViewKey)) : nullptr;
 531 }
 532
 533 // static
 534 BrowserView* BrowserView::GetBrowserViewForBrowser(const Browser* browser) {
 535   return static_cast<BrowserView*>(browser->window());
 536 }
 537
 538 void BrowserView::InitStatusBubble() {
 539   status_bubble_.reset(new StatusBubbleViews(contents_web_view_));
 540   contents_web_view_->SetStatusBubble(status_bubble_.get());
 541 }
 542
 543 gfx::Rect BrowserView::GetToolbarBounds() const {
 544   gfx::Rect toolbar_bounds(toolbar_->bounds());
 545   if (toolbar_bounds.IsEmpty())
 546     return toolbar_bounds;
 547   // The apparent toolbar edges are outside the "real" toolbar edges.
 548   toolbar_bounds.Inset(-views::NonClientFrameView::kClientEdgeThickness, 0);
 549   return toolbar_bounds;
 550 }
 551
 552 gfx::Rect BrowserView::GetFindBarBoundingBox() const {
 553   return GetBrowserViewLayout()->GetFindBarBoundingBox();
 554 }
 555
 556 int BrowserView::GetTabStripHeight() const {
 557   // We want to return tabstrip_->height(), but we might be called in the midst
 558   // of layout, when that hasn't yet been updated to reflect the current state.
 559   // So return what the tabstrip height _ought_ to be right now.
 560   return IsTabStripVisible() ? tabstrip_->GetPreferredSize().height() : 0;
 561 }
 562
 563 gfx::Point BrowserView::OffsetPointForToolbarBackgroundImage(
 564     const gfx::Point& point) const {
 565   // The background image starts tiling horizontally at the window left edge and
 566   // vertically at the top edge of the horizontal tab strip (or where it would
 567   // be).  We expect our parent's origin to be the window origin.
 568   gfx::Point window_point(point + GetMirroredPosition().OffsetFromOrigin());
 569   window_point.Offset(frame_->GetThemeBackgroundXInset(),
 570                       -frame_->GetTopInset());
 571   return window_point;
 572 }
 573
 574 bool BrowserView::IsTabStripVisible() const {
 575   if (immersive_mode_controller_->ShouldHideTopViews() &&
 576       immersive_mode_controller_->ShouldHideTabIndicators())
 577     return false;
 578   return browser_->SupportsWindowFeature(Browser::FEATURE_TABSTRIP);
 579 }
 580
 581 bool BrowserView::IsOffTheRecord() const {
 582   return browser_->profile()->IsOffTheRecord();
 583 }
 584
 585 bool BrowserView::IsGuestSession() const {
 586   return browser_->profile()->IsGuestSession();
 587 }
 588
 589 bool BrowserView::IsRegularOrGuestSession() const {
 590   return profiles::IsRegularOrGuestSession(browser_.get());
 591 }
 592
 593 bool BrowserView::ShouldShowAvatar() const {
 594 #if defined(OS_CHROMEOS)
 595   if (!browser_->is_type_tabbed() && !browser_->is_app())
 596     return false;
 597   // Don't show incognito avatar in the guest session.
 598   if (IsOffTheRecord() && !IsGuestSession())
 599     return true;
 600   // This function is called via BrowserNonClientFrameView::UpdateAvatarInfo
 601   // during the creation of the BrowserWindow, so browser->window() will not
 602   // yet be set. In this case we can safely return false.
 603   if (!browser_->window())
 604     return false;
 605   return chrome::MultiUserWindowManager::ShouldShowAvatar(
 606       browser_->window()->GetNativeWindow());
 607 #else
 608   if (!IsBrowserTypeNormal())
 609     return false;
 610   if (IsOffTheRecord())  // Desktop guest is incognito and needs avatar.
 611     return true;
 612   // Tests may not have a profile manager.
 613   if (!g_browser_process->profile_manager())
 614     return false;
 615   ProfileInfoCache& cache =
 616       g_browser_process->profile_manager()->GetProfileInfoCache();
 617   if (cache.GetIndexOfProfileWithPath(browser_->profile()->GetPath()) ==
 618       std::string::npos) {
 619     return false;
 620   }
 621
 622   return AvatarMenu::ShouldShowAvatarMenu();
 623 #endif
 624 }
 625
 626 bool BrowserView::GetAccelerator(int cmd_id,
 627                                  ui::Accelerator* accelerator) const {
 628   // We retrieve the accelerator information for standard accelerators
 629   // for cut, copy and paste.
 630   if (chrome::GetStandardAcceleratorForCommandId(cmd_id, accelerator))
 631     return true;
 632   // Else, we retrieve the accelerator information from the accelerator table.
 633   for (std::map<ui::Accelerator, int>::const_iterator it =
 634            accelerator_table_.begin(); it != accelerator_table_.end(); ++it) {
 635     if (it->second == cmd_id) {
 636       *accelerator = it->first;
 637       return true;
 638     }
 639   }
 640   // Else, we retrieve the accelerator information from Ash (if applicable).
 641   return chrome::GetAshAcceleratorForCommandId(
 642       cmd_id, browser_->host_desktop_type(), accelerator);
 643 }
 644
 645 bool BrowserView::IsAcceleratorRegistered(const ui::Accelerator& accelerator) {
 646   return accelerator_table_.find(accelerator) != accelerator_table_.end();
 647 }
 648
 649 WebContents* BrowserView::GetActiveWebContents() const {
 650   return browser_->tab_strip_model()->GetActiveWebContents();
 651 }
 652
 653 gfx::ImageSkia BrowserView::GetOTRAvatarIcon() const {
 654   return *GetThemeProvider()->GetImageSkiaNamed(IDR_OTR_ICON);
 655 }
 656
 657 ///////////////////////////////////////////////////////////////////////////////
 658 // BrowserView, BrowserWindow implementation:
 659
 660 void BrowserView::Show() {
 661 #if !defined(OS_WIN)
 662   // The Browser associated with this browser window must become the active
 663   // browser at the time |Show()| is called. This is the natural behavior under
 664   // Windows and Ash, but other platforms will not trigger
 665   // OnWidgetActivationChanged() until we return to the runloop. Therefore any
 666   // calls to Browser::GetLastActive() will return the wrong result if we do not
 667   // explicitly set it here.
 668   // A similar block also appears in BrowserWindowCocoa::Show().
 669   if (browser()->host_desktop_type() != chrome::HOST_DESKTOP_TYPE_ASH)
 670     BrowserList::SetLastActive(browser());
 671 #endif
 672
 673   // If the window is already visible, just activate it.
 674   if (frame_->IsVisible()) {
 675     frame_->Activate();
 676     return;
 677   }
 678
 679   // Showing the window doesn't make the browser window active right away.
 680   // This can cause SetFocusToLocationBar() to skip setting focus to the
 681   // location bar. To avoid this we explicilty let SetFocusToLocationBar()
 682   // know that it's ok to steal focus.
 683   force_location_bar_focus_ = true;
 684
 685   // Setting the focus doesn't work when the window is invisible, so any focus
 686   // initialization that happened before this will be lost.
 687   //
 688   // We really "should" restore the focus whenever the window becomes unhidden,
 689   // but I think initializing is the only time where this can happen where
 690   // there is some focus change we need to pick up, and this is easier than
 691   // plumbing through an un-hide message all the way from the frame.
 692   //
 693   // If we do find there are cases where we need to restore the focus on show,
 694   // that should be added and this should be removed.
 695   RestoreFocus();
 696
 697   frame_->Show();
 698
 699   force_location_bar_focus_ = false;
 700
 701   browser()->OnWindowDidShow();
 702
 703   chrome::MaybeShowInvertBubbleView(this);
 704 }
 705
 706 void BrowserView::ShowInactive() {
 707   if (!frame_->IsVisible())
 708     frame_->ShowInactive();
 709 }
 710
 711 void BrowserView::Hide() {
 712   // Not implemented.
 713 }
 714
 715 void BrowserView::SetBounds(const gfx::Rect& bounds) {
 716   ExitFullscreen();
 717   GetWidget()->SetBounds(bounds);
 718 }
 719
 720 void BrowserView::Close() {
 721   frame_->Close();
 722 }
 723
 724 void BrowserView::Activate() {
 725   frame_->Activate();
 726 }
 727
 728 void BrowserView::Deactivate() {
 729   frame_->Deactivate();
 730 }
 731
 732 bool BrowserView::IsActive() const {
 733   return frame_->IsActive();
 734 }
 735
 736 void BrowserView::FlashFrame(bool flash) {
 737   frame_->FlashFrame(flash);
 738 }
 739
 740 bool BrowserView::IsAlwaysOnTop() const {
 741   return false;
 742 }
 743
 744 void BrowserView::SetAlwaysOnTop(bool always_on_top) {
 745   // Not implemented for browser windows.
 746   NOTIMPLEMENTED();
 747 }
 748
 749 gfx::NativeWindow BrowserView::GetNativeWindow() const {
 750   // While the browser destruction is going on, the widget can already be gone,
 751   // but utility functions like FindBrowserWithWindow will come here and crash.
 752   // We short circuit therefore.
 753   if (!GetWidget())
 754     return nullptr;
 755   return GetWidget()->GetTopLevelWidget()->GetNativeWindow();
 756 }
 757
 758 StatusBubble* BrowserView::GetStatusBubble() {
 759   return status_bubble_.get();
 760 }
 761
 762 namespace {
 763   // Only used by ToolbarSizeChanged() below, but placed here because template
 764   // arguments (to base::AutoReset<>) must have external linkage.
 765   enum CallState { NORMAL, REENTRANT, REENTRANT_FORCE_FAST_RESIZE };
 766 }
 767
 768 void BrowserView::UpdateTitleBar() {
 769   // TODO(robliao): Remove ScopedTracker below once https://crbug.com/467185 is
 770   // fixed.
 771   tracked_objects::ScopedTracker tracking_profile1(
 772       FROM_HERE_WITH_EXPLICIT_FUNCTION("467185 BrowserView::UpdateTitleBar1"));
 773   frame_->UpdateWindowTitle();
 774   if (ShouldShowWindowIcon() && !loading_animation_timer_.IsRunning()) {
 775     // TODO(robliao): Remove ScopedTracker below once https://crbug.com/467185
 776     // is fixed.
 777     tracked_objects::ScopedTracker tracking_profile2(
 778         FROM_HERE_WITH_EXPLICIT_FUNCTION(
 779             "467185 BrowserView::UpdateTitleBar2"));
 780     frame_->UpdateWindowIcon();
 781   }
 782 }
 783
 784 void BrowserView::BookmarkBarStateChanged(
 785     BookmarkBar::AnimateChangeType change_type) {
 786   if (bookmark_bar_view_.get()) {
 787     BookmarkBar::State new_state = browser_->bookmark_bar_state();
 788
 789     // We don't properly support animating the bookmark bar to and from the
 790     // detached state in immersive fullscreen.
 791     bool detached_changed = (new_state == BookmarkBar::DETACHED) ||
 792         bookmark_bar_view_->IsDetached();
 793     if (detached_changed && immersive_mode_controller_->IsEnabled())
 794       change_type = BookmarkBar::DONT_ANIMATE_STATE_CHANGE;
 795
 796     bookmark_bar_view_->SetBookmarkBarState(new_state, change_type);
 797   }
 798   if (MaybeShowBookmarkBar(GetActiveWebContents()))
 799     Layout();
 800 }
 801
 802 void BrowserView::UpdateDevTools() {
 803   UpdateDevToolsForContents(GetActiveWebContents(), true);
 804   Layout();
 805 }
 806
 807 void BrowserView::UpdateLoadingAnimations(bool should_animate) {
 808   if (should_animate) {
 809     if (!loading_animation_timer_.IsRunning()) {
 810       // Loads are happening, and the timer isn't running, so start it.
 811       last_animation_time_ = base::TimeTicks::Now();
 812       loading_animation_timer_.Start(FROM_HERE,
 813           TimeDelta::FromMilliseconds(kLoadingAnimationFrameTimeMs), this,
 814           &BrowserView::LoadingAnimationCallback);
 815     }
 816   } else {
 817     if (loading_animation_timer_.IsRunning()) {
 818       last_animation_time_ = base::TimeTicks();
 819       loading_animation_timer_.Stop();
 820       // Loads are now complete, update the state if a task was scheduled.
 821       LoadingAnimationCallback();
 822     }
 823   }
 824 }
 825
 826 void BrowserView::SetStarredState(bool is_starred) {
 827   GetLocationBarView()->SetStarToggled(is_starred);
 828 }
 829
 830 void BrowserView::SetTranslateIconToggled(bool is_lit) {
 831   GetLocationBarView()->SetTranslateIconToggled(is_lit);
 832 }
 833
 834 void BrowserView::OnActiveTabChanged(content::WebContents* old_contents,
 835                                      content::WebContents* new_contents,
 836                                      int index,
 837                                      int reason) {
 838   DCHECK(new_contents);
 839
 840   // If |contents_container_| already has the correct WebContents, we can save
 841   // some work.  This also prevents extra events from being reported by the
 842   // Visibility API under Windows, as ChangeWebContents will briefly hide
 843   // the WebContents window.
 844   bool change_tab_contents =
 845       contents_web_view_->web_contents() != new_contents;
 846
 847   // Update various elements that are interested in knowing the current
 848   // WebContents.
 849
 850   // When we toggle the NTP floating bookmarks bar and/or the info bar,
 851   // we don't want any WebContents to be attached, so that we
 852   // avoid an unnecessary resize and re-layout of a WebContents.
 853   if (change_tab_contents) {
 854     contents_web_view_->SetWebContents(nullptr);
 855     devtools_web_view_->SetWebContents(nullptr);
 856   }
 857
 858   // Do this before updating InfoBarContainer as the InfoBarContainer may
 859   // callback to us and trigger layout.
 860   if (bookmark_bar_view_.get()) {
 861     bookmark_bar_view_->SetBookmarkBarState(
 862         browser_->bookmark_bar_state(),
 863         BookmarkBar::DONT_ANIMATE_STATE_CHANGE);
 864   }
 865
 866   infobar_container_->ChangeInfoBarManager(
 867       InfoBarService::FromWebContents(new_contents));
 868
 869   if (old_contents && PermissionBubbleManager::FromWebContents(old_contents))
 870     PermissionBubbleManager::FromWebContents(old_contents)->SetView(nullptr);
 871
 872   if (new_contents && PermissionBubbleManager::FromWebContents(new_contents)) {
 873     if (!permission_bubble_.get())
 874       permission_bubble_.reset(new PermissionBubbleViewViews(browser_.get()));
 875
 876     PermissionBubbleManager::FromWebContents(new_contents)->SetView(
 877         permission_bubble_.get());
 878   }
 879
 880   UpdateUIForContents(new_contents);
 881
 882   // Layout for DevTools _before_ setting the both main and devtools WebContents
 883   // to avoid toggling the size of any of them.
 884   UpdateDevToolsForContents(new_contents, !change_tab_contents);
 885
 886   if (change_tab_contents) {
 887     web_contents_close_handler_->ActiveTabChanged();
 888     contents_web_view_->SetWebContents(new_contents);
 889     // The second layout update should be no-op. It will just set the
 890     // DevTools WebContents.
 891     UpdateDevToolsForContents(new_contents, true);
 892   }
 893
 894   if (!browser_->tab_strip_model()->closing_all() && GetWidget()->IsActive() &&
 895       GetWidget()->IsVisible()) {
 896     // We only restore focus if our window is visible, to avoid invoking blur
 897     // handlers when we are eventually shown.
 898     new_contents->RestoreFocus();
 899   }
 900
 901   // Update all the UI bits.
 902   UpdateTitleBar();
 903
 904   TranslateBubbleView::CloseBubble();
 905   ZoomBubbleView::CloseBubble();
 906 }
 907
 908 void BrowserView::ZoomChangedForActiveTab(bool can_show_bubble) {
 909   GetLocationBarView()->ZoomChangedForActiveTab(
 910       can_show_bubble && !toolbar_->IsWrenchMenuShowing());
 911 }
 912
 913 gfx::Rect BrowserView::GetRestoredBounds() const {
 914   gfx::Rect bounds;
 915   ui::WindowShowState state;
 916   frame_->GetWindowPlacement(&bounds, &state);
 917   return bounds;
 918 }
 919
 920 ui::WindowShowState BrowserView::GetRestoredState() const {
 921   gfx::Rect bounds;
 922   ui::WindowShowState state;
 923   frame_->GetWindowPlacement(&bounds, &state);
 924   return state;
 925 }
 926
 927 gfx::Rect BrowserView::GetBounds() const {
 928   return frame_->GetWindowBoundsInScreen();
 929 }
 930
 931 bool BrowserView::IsMaximized() const {
 932   return frame_->IsMaximized();
 933 }
 934
 935 bool BrowserView::IsMinimized() const {
 936   return frame_->IsMinimized();
 937 }
 938
 939 void BrowserView::Maximize() {
 940   frame_->Maximize();
 941 }
 942
 943 void BrowserView::Minimize() {
 944   frame_->Minimize();
 945 }
 946
 947 void BrowserView::Restore() {
 948   frame_->Restore();
 949 }
 950
 951 void BrowserView::EnterFullscreen(const GURL& url,
 952                                   ExclusiveAccessBubbleType bubble_type,
 953                                   bool with_toolbar) {
 954   if (IsFullscreen())
 955     return;  // Nothing to do.
 956
 957   ProcessFullscreen(true, NORMAL_FULLSCREEN, url, bubble_type);
 958 }
 959
 960 void BrowserView::ExitFullscreen() {
 961   if (!IsFullscreen())
 962     return;  // Nothing to do.
 963
 964   ProcessFullscreen(false, NORMAL_FULLSCREEN, GURL(),
 965                     EXCLUSIVE_ACCESS_BUBBLE_TYPE_NONE);
 966 }
 967
 968 void BrowserView::UpdateExclusiveAccessExitBubbleContent(
 969     const GURL& url,
 970     ExclusiveAccessBubbleType bubble_type) {
 971   // Immersive mode has no exit bubble because it has a visible strip at the
 972   // top that gives the user a hover target.
 973   // TODO(jamescook): Figure out what to do with mouse-lock.
 974   if (bubble_type == EXCLUSIVE_ACCESS_BUBBLE_TYPE_NONE ||
 975       ShouldUseImmersiveFullscreenForUrl(url)) {
 976     exclusive_access_bubble_.reset();
 977   } else if (exclusive_access_bubble_.get()) {
 978     exclusive_access_bubble_->UpdateContent(url, bubble_type);
 979   } else {
 980     exclusive_access_bubble_.reset(
 981         new ExclusiveAccessBubbleViews(this, url, bubble_type));
 982   }
 983 }
 984
 985 bool BrowserView::ShouldHideUIForFullscreen() const {
 986   // Immersive mode needs UI for the slide-down top panel.
 987   if (immersive_mode_controller_->IsEnabled())
 988     return false;
 989
 990   return IsFullscreen();
 991 }
 992
 993 bool BrowserView::IsFullscreen() const {
 994   return frame_->IsFullscreen();
 995 }
 996
 997 bool BrowserView::IsFullscreenBubbleVisible() const {
 998   return exclusive_access_bubble_ != nullptr;
 999 }
1000
1001 bool BrowserView::SupportsFullscreenWithToolbar() const {
1002   return false;
1003 }
1004
1005 void BrowserView::UpdateFullscreenWithToolbar(bool with_toolbar) {
1006   // This is currently a Mac only feature.
1007   NOTIMPLEMENTED();
1008 }
1009
1010 bool BrowserView::IsFullscreenWithToolbar() const {
1011   return false;
1012 }
1013
1014 #if defined(OS_WIN)
1015 void BrowserView::SetMetroSnapMode(bool enable) {
1016   LOCAL_HISTOGRAM_COUNTS("Metro.SnapModeToggle", enable);
1017   ProcessFullscreen(enable, METRO_SNAP_FULLSCREEN, GURL(),
1018                     EXCLUSIVE_ACCESS_BUBBLE_TYPE_NONE);
1019 }
1020
1021 bool BrowserView::IsInMetroSnapMode() const {
1022   return false;
1023 }
1024 #endif  // defined(OS_WIN)
1025
1026 void BrowserView::RestoreFocus() {
1027   WebContents* selected_web_contents = GetActiveWebContents();
1028   if (selected_web_contents)
1029     selected_web_contents->RestoreFocus();
1030 }
1031
1032 void BrowserView::FullscreenStateChanged() {
1033   CHECK(!IsFullscreen());
1034   ProcessFullscreen(false, NORMAL_FULLSCREEN, GURL(),
1035                     EXCLUSIVE_ACCESS_BUBBLE_TYPE_NONE);
1036 }
1037
1038 LocationBar* BrowserView::GetLocationBar() const {
1039   return GetLocationBarView();
1040 }
1041
1042 void BrowserView::SetFocusToLocationBar(bool select_all) {
1043   // On Windows, changing focus to the location bar causes the browser
1044   // window to become active. This can steal focus if the user has
1045   // another window open already. On ChromeOS, changing focus makes a
1046   // view believe it has a focus even if the widget doens't have a
1047   // focus. Either cases, we need to ignore this when the browser
1048   // window isn't active.
1049 #if defined(OS_WIN) || defined(OS_CHROMEOS)
1050   if (!force_location_bar_focus_ && !IsActive())
1051     return;
1052 #endif
1053
1054   // Temporarily reveal the top-of-window views (if not already revealed) so
1055   // that the location bar view is visible and is considered focusable. If the
1056   // location bar view gains focus, |immersive_mode_controller_| will keep the
1057   // top-of-window views revealed.
1058   scoped_ptr<ImmersiveRevealedLock> focus_reveal_lock(
1059       immersive_mode_controller_->GetRevealedLock(
1060           ImmersiveModeController::ANIMATE_REVEAL_YES));
1061
1062   LocationBarView* location_bar = GetLocationBarView();
1063   if (location_bar->omnibox_view()->IsFocusable()) {
1064     // Location bar got focus.
1065     location_bar->FocusLocation(select_all);
1066   } else {
1067     // If none of location bar got focus, then clear focus.
1068     views::FocusManager* focus_manager = GetFocusManager();
1069     DCHECK(focus_manager);
1070     focus_manager->ClearFocus();
1071   }
1072 }
1073
1074 void BrowserView::UpdateReloadStopState(bool is_loading, bool force) {
1075   toolbar_->reload_button()->ChangeMode(
1076       is_loading ? ReloadButton::MODE_STOP : ReloadButton::MODE_RELOAD, force);
1077 }
1078
1079 void BrowserView::UpdateToolbar(content::WebContents* contents) {
1080   // We may end up here during destruction.
1081   if (toolbar_)
1082     toolbar_->Update(contents);
1083   frame_->UpdateToolbar();
1084 }
1085
1086 void BrowserView::ResetToolbarTabState(content::WebContents* contents) {
1087   // We may end up here during destruction.
1088   if (toolbar_)
1089     toolbar_->ResetTabState(contents);
1090 }
1091
1092 void BrowserView::FocusToolbar() {
1093   // Temporarily reveal the top-of-window views (if not already revealed) so
1094   // that the toolbar is visible and is considered focusable. If the
1095   // toolbar gains focus, |immersive_mode_controller_| will keep the
1096   // top-of-window views revealed.
1097   scoped_ptr<ImmersiveRevealedLock> focus_reveal_lock(
1098       immersive_mode_controller_->GetRevealedLock(
1099           ImmersiveModeController::ANIMATE_REVEAL_YES));
1100
1101   // Start the traversal within the main toolbar. SetPaneFocus stores
1102   // the current focused view before changing focus.
1103   toolbar_->SetPaneFocus(nullptr);
1104 }
1105
1106 void BrowserView::ToolbarSizeChanged(bool is_animating) {
1107   // The call to SetMaxTopArrowHeight() below can result in reentrancy;
1108   // |call_state| tracks whether we're reentrant.  We can't just early-return in
1109   // this case because we need to layout again so the infobar container's bounds
1110   // are set correctly.
1111   static CallState call_state = NORMAL;
1112
1113   // A reentrant call can (and should) use the fast resize path unless both it
1114   // and the normal call are both non-animating.
1115   bool use_fast_resize =
1116       is_animating || (call_state == REENTRANT_FORCE_FAST_RESIZE);
1117   if (use_fast_resize)
1118     contents_web_view_->SetFastResize(true);
1119   UpdateUIForContents(GetActiveWebContents());
1120   if (use_fast_resize)
1121     contents_web_view_->SetFastResize(false);
1122
1123   // Inform the InfoBarContainer that the distance to the location icon may have
1124   // changed.  We have to do this after the block above so that the toolbars are
1125   // laid out correctly for calculating the maximum arrow height below.
1126   {
1127     base::AutoReset<CallState> resetter(&call_state,
1128         is_animating ? REENTRANT_FORCE_FAST_RESIZE : REENTRANT);
1129     SetMaxTopArrowHeight(GetMaxTopInfoBarArrowHeight(), infobar_container_);
1130   }
1131
1132   // When transitioning from animating to not animating we need to make sure the
1133   // contents_container_ gets layed out. If we don't do this and the bounds
1134   // haven't changed contents_container_ won't get a Layout out and we'll end up
1135   // with a gray rect because the clip wasn't updated.  Note that a reentrant
1136   // call never needs to do this, because after it returns, the normal call
1137   // wrapping it will do it.
1138   if ((call_state == NORMAL) && !is_animating) {
1139     contents_web_view_->InvalidateLayout();
1140     contents_container_->Layout();
1141   }
1142 }
1143
1144 void BrowserView::FocusBookmarksToolbar() {
1145   DCHECK(!immersive_mode_controller_->IsEnabled());
1146   if (bookmark_bar_view_.get() &&
1147       bookmark_bar_view_->visible() &&
1148       bookmark_bar_view_->GetPreferredSize().height() != 0) {
1149     bookmark_bar_view_->SetPaneFocusAndFocusDefault();
1150   }
1151 }
1152
1153 void BrowserView::FocusInfobars() {
1154   if (infobar_container_->child_count() > 0)
1155     infobar_container_->SetPaneFocusAndFocusDefault();
1156 }
1157
1158 void BrowserView::FocusAppMenu() {
1159   // Chrome doesn't have a traditional menu bar, but it has a menu button in the
1160   // main toolbar that plays the same role.  If the user presses a key that
1161   // would typically focus the menu bar, tell the toolbar to focus the menu
1162   // button.  If the user presses the key again, return focus to the previous
1163   // location.
1164   //
1165   // Not used on the Mac, which has a normal menu bar.
1166   if (toolbar_->IsAppMenuFocused()) {
1167     RestoreFocus();
1168   } else {
1169     DCHECK(!immersive_mode_controller_->IsEnabled());
1170     toolbar_->SetPaneFocusAndFocusAppMenu();
1171   }
1172 }
1173
1174 void BrowserView::RotatePaneFocus(bool forwards) {
1175   GetWidget()->GetFocusManager()->RotatePaneFocus(
1176       forwards ?
1177           views::FocusManager::kForward : views::FocusManager::kBackward,
1178       views::FocusManager::kWrap);
1179 }
1180
1181 void BrowserView::DestroyBrowser() {
1182   // After this returns other parts of Chrome are going to be shutdown. Close
1183   // the window now so that we are deleted immediately and aren't left holding
1184   // references to deleted objects.
1185   GetWidget()->RemoveObserver(this);
1186   GetLocationBar()->GetOmniboxView()->model()->popup_model()->RemoveObserver(
1187       this);
1188   frame_->CloseNow();
1189 }
1190
1191 bool BrowserView::IsBookmarkBarVisible() const {
1192   if (!browser_->SupportsWindowFeature(Browser::FEATURE_BOOKMARKBAR))
1193     return false;
1194   if (!bookmark_bar_view_.get())
1195     return false;
1196   if (bookmark_bar_view_->GetPreferredSize().height() == 0)
1197     return false;
1198   // New tab page needs visible bookmarks even when top-views are hidden.
1199   if (immersive_mode_controller_->ShouldHideTopViews() &&
1200       !bookmark_bar_view_->IsDetached())
1201     return false;
1202   return true;
1203 }
1204
1205 bool BrowserView::IsBookmarkBarAnimating() const {
1206   return bookmark_bar_view_.get() && bookmark_bar_view_->is_animating();
1207 }
1208
1209 bool BrowserView::IsTabStripEditable() const {
1210   return tabstrip_->IsTabStripEditable();
1211 }
1212
1213 bool BrowserView::IsToolbarVisible() const {
1214   if (immersive_mode_controller_->ShouldHideTopViews())
1215     return false;
1216   return browser_->SupportsWindowFeature(Browser::FEATURE_TOOLBAR) ||
1217          browser_->SupportsWindowFeature(Browser::FEATURE_LOCATIONBAR);
1218 }
1219
1220 gfx::Rect BrowserView::GetRootWindowResizerRect() const {
1221   // Views does not support resizer rects because they caused page cycler
1222   // performance regressions when they were added. See crrev.com/9654
1223   return gfx::Rect();
1224 }
1225
1226 void BrowserView::ConfirmAddSearchProvider(TemplateURL* template_url,
1227                                            Profile* profile) {
1228   chrome::EditSearchEngine(GetWidget()->GetNativeWindow(), template_url,
1229                            nullptr, profile);
1230 }
1231
1232 void BrowserView::ShowUpdateChromeDialog() {
1233   UpdateRecommendedMessageBox::Show(GetWidget()->GetNativeWindow());
1234 }
1235
1236 void BrowserView::ShowBookmarkBubble(const GURL& url, bool already_bookmarked) {
1237   scoped_ptr<BookmarkBubbleDelegate> delegate;
1238   delegate.reset(new BookmarkBubbleSignInDelegate(browser_.get()));
1239
1240   BookmarkBubbleView::ShowBubble(GetToolbarView()->GetBookmarkBubbleAnchor(),
1241                                  bookmark_bar_view_.get(),
1242                                  delegate.Pass(),
1243                                  browser_->profile(),
1244                                  url,
1245                                  !already_bookmarked);
1246 }
1247
1248 void BrowserView::ShowBookmarkAppBubble(
1249     const WebApplicationInfo& web_app_info,
1250     const ShowBookmarkAppBubbleCallback& callback) {
1251   BookmarkAppBubbleView::ShowBubble(GetToolbarView(), web_app_info, callback);
1252 }
1253
1254 void BrowserView::ShowTranslateBubble(
1255     content::WebContents* web_contents,
1256     translate::TranslateStep step,
1257     translate::TranslateErrors::Type error_type,
1258     bool is_user_gesture) {
1259   if (contents_web_view_->HasFocus() &&
1260       !GetLocationBarView()->IsMouseHovered()) {
1261     content::RenderViewHost* rvh = web_contents->GetRenderViewHost();
1262     if (rvh->IsFocusedElementEditable())
1263       return;
1264   }
1265
1266   ChromeTranslateClient* chrome_translate_client =
1267       ChromeTranslateClient::FromWebContents(web_contents);
1268   translate::LanguageState& language_state =
1269       chrome_translate_client->GetLanguageState();
1270   language_state.SetTranslateEnabled(true);
1271
1272   if (IsMinimized())
1273     return;
1274
1275   TranslateBubbleView::ShowBubble(
1276       GetToolbarView()->GetTranslateBubbleAnchor(), web_contents, step,
1277       error_type, is_user_gesture);
1278 }
1279
1280 bool BrowserView::ShowSessionCrashedBubble() {
1281   return SessionCrashedBubbleView::Show(browser_.get());
1282 }
1283
1284 bool BrowserView::IsProfileResetBubbleSupported() const {
1285   return true;
1286 }
1287
1288 GlobalErrorBubbleViewBase* BrowserView::ShowProfileResetBubble(
1289     const base::WeakPtr<ProfileResetGlobalError>& global_error) {
1290   return ProfileResetBubbleView::ShowBubble(global_error, browser_.get());
1291 }
1292
1293 #if defined(ENABLE_ONE_CLICK_SIGNIN)
1294 void BrowserView::ShowOneClickSigninBubble(
1295     OneClickSigninBubbleType type,
1296     const base::string16& email,
1297     const base::string16& error_message,
1298     const StartSyncCallback& start_sync_callback) {
1299   scoped_ptr<OneClickSigninBubbleDelegate> delegate;
1300   delegate.reset(new OneClickSigninBubbleLinksDelegate(browser()));
1301
1302   views::View* anchor_view;
1303   if (type == BrowserWindow::ONE_CLICK_SIGNIN_BUBBLE_TYPE_BUBBLE)
1304     anchor_view = toolbar_->app_menu();
1305   else
1306     anchor_view = toolbar_->location_bar();
1307
1308   OneClickSigninBubbleView::ShowBubble(type, email, error_message,
1309                                        delegate.Pass(), anchor_view,
1310                                        start_sync_callback);
1311 }
1312 #endif
1313
1314 void BrowserView::SetDownloadShelfVisible(bool visible) {
1315   // This can be called from the superclass destructor, when it destroys our
1316   // child views. At that point, browser_ is already gone.
1317   if (!browser_)
1318     return;
1319
1320   if (visible && IsDownloadShelfVisible() != visible) {
1321     // Invoke GetDownloadShelf to force the shelf to be created.
1322     GetDownloadShelf();
1323   }
1324
1325   browser_->UpdateDownloadShelfVisibility(visible);
1326
1327   // SetDownloadShelfVisible can force-close the shelf, so make sure we lay out
1328   // everything correctly, as if the animation had finished. This doesn't
1329   // matter for showing the shelf, as the show animation will do it.
1330   ToolbarSizeChanged(false);
1331 }
1332
1333 bool BrowserView::IsDownloadShelfVisible() const {
1334   return download_shelf_.get() && download_shelf_->IsShowing();
1335 }
1336
1337 DownloadShelf* BrowserView::GetDownloadShelf() {
1338   if (!download_shelf_.get()) {
1339     download_shelf_.reset(new DownloadShelfView(browser_.get(), this));
1340     download_shelf_->set_owned_by_client();
1341     GetBrowserViewLayout()->set_download_shelf(download_shelf_.get());
1342   }
1343   return download_shelf_.get();
1344 }
1345
1346 void BrowserView::ConfirmBrowserCloseWithPendingDownloads(
1347     int download_count,
1348     Browser::DownloadClosePreventionType dialog_type,
1349     bool app_modal,
1350     const base::Callback<void(bool)>& callback) {
1351   DownloadInProgressDialogView::Show(
1352       GetNativeWindow(), download_count, dialog_type, app_modal, callback);
1353 }
1354
1355 void BrowserView::UserChangedTheme() {
1356   frame_->FrameTypeChanged();
1357 }
1358
1359 void BrowserView::ShowWebsiteSettings(Profile* profile,
1360                                       content::WebContents* web_contents,
1361                                       const GURL& url,
1362                                       const content::SSLStatus& ssl) {
1363   // Some browser windows have a location icon embedded in the frame. Try to
1364   // use that if it exists. If it doesn't exist, use the location icon from
1365   // the location bar.
1366   views::View* popup_anchor = frame_->GetLocationIconView();
1367   if (!popup_anchor)
1368     popup_anchor = GetLocationBarView()->location_icon_view();
1369
1370   WebsiteSettingsPopupView::ShowPopup(popup_anchor, profile, web_contents, url,
1371                                       ssl, browser_.get());
1372 }
1373
1374 void BrowserView::ShowAppMenu() {
1375   // Keep the top-of-window views revealed as long as the app menu is visible.
1376   scoped_ptr<ImmersiveRevealedLock> revealed_lock(
1377       immersive_mode_controller_->GetRevealedLock(
1378           ImmersiveModeController::ANIMATE_REVEAL_NO));
1379
1380   toolbar_->app_menu()->Activate();
1381 }
1382
1383 bool BrowserView::PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,
1384                                          bool* is_keyboard_shortcut) {
1385   *is_keyboard_shortcut = false;
1386
1387   if ((event.type != blink::WebInputEvent::RawKeyDown) &&
1388       (event.type != blink::WebInputEvent::KeyUp)) {
1389     return false;
1390   }
1391
1392   views::FocusManager* focus_manager = GetFocusManager();
1393   DCHECK(focus_manager);
1394
1395   if (focus_manager->shortcut_handling_suspended())
1396     return false;
1397
1398   ui::Accelerator accelerator =
1399       ui::GetAcceleratorFromNativeWebKeyboardEvent(event);
1400
1401   // What we have to do here is as follows:
1402   // - If the |browser_| is for an app, do nothing.
1403   // - If the |browser_| is not for an app, and the |accelerator| is not
1404   //   associated with the browser (e.g. an Ash shortcut), process it.
1405   // - If the |browser_| is not for an app, and the |accelerator| is associated
1406   //   with the browser, and it is a reserved one (e.g. Ctrl+w), process it.
1407   // - If the |browser_| is not for an app, and the |accelerator| is associated
1408   //   with the browser, and it is not a reserved one, do nothing.
1409
1410   if (browser_->is_app()) {
1411     // Let all keys fall through to a v1 app's web content, even accelerators.
1412     // We don't have to flip |is_keyboard_shortcut| here. If we do that, the app
1413     // might not be able to see a subsequent Char event. See OnHandleInputEvent
1414     // in content/renderer/render_widget.cc for details.
1415     return false;
1416   }
1417
1418   chrome::BrowserCommandController* controller = browser_->command_controller();
1419
1420   // Here we need to retrieve the command id (if any) associated to the
1421   // keyboard event. Instead of looking up the command id in the
1422   // |accelerator_table_| by ourselves, we block the command execution of
1423   // the |browser_| object then send the keyboard event to the
1424   // |focus_manager| as if we are activating an accelerator key.
1425   // Then we can retrieve the command id from the |browser_| object.
1426   bool original_block_command_state = controller->block_command_execution();
1427   controller->SetBlockCommandExecution(true);
1428   // If the |accelerator| is a non-browser shortcut (e.g. Ash shortcut), the
1429   // command execution cannot be blocked and true is returned. However, it is
1430   // okay as long as is_app() is false. See comments in this function.
1431   const bool processed = focus_manager->ProcessAccelerator(accelerator);
1432   const int id = controller->GetLastBlockedCommand(nullptr);
1433   controller->SetBlockCommandExecution(original_block_command_state);
1434
1435   // Executing the command may cause |this| object to be destroyed.
1436   if (controller->IsReservedCommandOrKey(id, event)) {
1437     UpdateAcceleratorMetrics(accelerator, id);
1438     return chrome::ExecuteCommand(browser_.get(), id);
1439   }
1440
1441   if (id != -1) {
1442     // |accelerator| is a non-reserved browser shortcut (e.g. Ctrl+f).
1443     if (event.type == blink::WebInputEvent::RawKeyDown)
1444       *is_keyboard_shortcut = true;
1445   } else if (processed) {
1446     // |accelerator| is a non-browser shortcut (e.g. F4-F10 on Ash). Report
1447     // that we handled it.
1448     return true;
1449   }
1450
1451   return false;
1452 }
1453
1454 void BrowserView::HandleKeyboardEvent(const NativeWebKeyboardEvent& event) {
1455   unhandled_keyboard_event_handler_.HandleKeyboardEvent(event,
1456                                                         GetFocusManager());
1457 }
1458
1459 // TODO(devint): http://b/issue?id=1117225 Cut, Copy, and Paste are always
1460 // enabled in the page menu regardless of whether the command will do
1461 // anything. When someone selects the menu item, we just act as if they hit
1462 // the keyboard shortcut for the command by sending the associated key press
1463 // to windows. The real fix to this bug is to disable the commands when they
1464 // won't do anything. We'll need something like an overall clipboard command
1465 // manager to do that.
1466 void BrowserView::CutCopyPaste(int command_id) {
1467   // If a WebContents is focused, call its member method.
1468   WebContents* contents = browser_->tab_strip_model()->GetActiveWebContents();
1469   if (contents) {
1470     void (WebContents::*method)();
1471     if (command_id == IDC_CUT)
1472       method = &content::WebContents::Cut;
1473     else if (command_id == IDC_COPY)
1474       method = &content::WebContents::Copy;
1475     else
1476       method = &content::WebContents::Paste;
1477     if (DoCutCopyPasteForWebContents(contents, method))
1478       return;
1479
1480     WebContents* devtools =
1481         DevToolsWindow::GetInTabWebContents(contents, nullptr);
1482     if (devtools && DoCutCopyPasteForWebContents(devtools, method))
1483       return;
1484   }
1485
1486   // Execute the command on the focused view, if possible, by calling
1487   // AcceleratorPressed().  Textfields override this to translate and execute
1488   // the provided accelerator.
1489   views::View* focused = GetFocusManager()->GetFocusedView();
1490   if (focused && focused->CanHandleAccelerators()) {
1491     ui::Accelerator accelerator;
1492     GetAccelerator(command_id, &accelerator);
1493     focused->AcceleratorPressed(accelerator);
1494   }
1495 }
1496
1497 WindowOpenDisposition BrowserView::GetDispositionForPopupBounds(
1498     const gfx::Rect& bounds) {
1499   return NEW_POPUP;
1500 }
1501
1502 FindBar* BrowserView::CreateFindBar() {
1503   return chrome::CreateFindBar(this);
1504 }
1505
1506 WebContentsModalDialogHost* BrowserView::GetWebContentsModalDialogHost() {
1507   return GetBrowserViewLayout()->GetWebContentsModalDialogHost();
1508 }
1509
1510 BookmarkBarView* BrowserView::GetBookmarkBarView() const {
1511   return bookmark_bar_view_.get();
1512 }
1513
1514 LocationBarView* BrowserView::GetLocationBarView() const {
1515   return toolbar_ ? toolbar_->location_bar() : nullptr;
1516 }
1517
1518 views::View* BrowserView::GetTabContentsContainerView() const {
1519   return contents_web_view_;
1520 }
1521
1522 ToolbarView* BrowserView::GetToolbarView() const {
1523   return toolbar_;
1524 }
1525
1526 ///////////////////////////////////////////////////////////////////////////////
1527 // BrowserView, TabStripModelObserver implementation:
1528
1529 void BrowserView::TabInsertedAt(WebContents* contents,
1530                                 int index,
1531                                 bool foreground) {
1532 #if defined(USE_AURA)
1533   // WebContents inserted in tabs might not have been added to the root
1534   // window yet. Per http://crbug/342672 add them now since drawing the
1535   // WebContents requires root window specific data - information about
1536   // the screen the WebContents is drawn on, for example.
1537   if (!contents->GetNativeView()->GetRootWindow()) {
1538     aura::Window* window = contents->GetNativeView();
1539     aura::Window* root_window = GetNativeWindow()->GetRootWindow();
1540     aura::client::ParentWindowWithContext(
1541         window, root_window, root_window->GetBoundsInScreen());
1542     DCHECK(contents->GetNativeView()->GetRootWindow());
1543   }
1544 #endif
1545   web_contents_close_handler_->TabInserted();
1546
1547   if (foreground)
1548     extensions::MaybeShowExtensionControlledNewTabPage(browser(), contents);
1549 }
1550
1551 void BrowserView::TabDetachedAt(WebContents* contents, int index) {
1552   if (PermissionBubbleManager::FromWebContents(contents))
1553     PermissionBubbleManager::FromWebContents(contents)->SetView(nullptr);
1554
1555   // We use index here rather than comparing |contents| because by this time
1556   // the model has already removed |contents| from its list, so
1557   // browser_->GetActiveWebContents() will return null or something else.
1558   if (index == browser_->tab_strip_model()->active_index()) {
1559     // We need to reset the current tab contents to null before it gets
1560     // freed. This is because the focus manager performs some operations
1561     // on the selected WebContents when it is removed.
1562     web_contents_close_handler_->ActiveTabChanged();
1563     contents_web_view_->SetWebContents(nullptr);
1564     infobar_container_->ChangeInfoBarManager(nullptr);
1565     UpdateDevToolsForContents(nullptr, true);
1566   }
1567 }
1568
1569 void BrowserView::TabDeactivated(WebContents* contents) {
1570   if (PermissionBubbleManager::FromWebContents(contents))
1571     PermissionBubbleManager::FromWebContents(contents)->SetView(nullptr);
1572
1573   // We do not store the focus when closing the tab to work-around bug 4633.
1574   // Some reports seem to show that the focus manager and/or focused view can
1575   // be garbage at that point, it is not clear why.
1576   if (!contents->IsBeingDestroyed())
1577     contents->StoreFocus();
1578 }
1579
1580 void BrowserView::TabStripEmpty() {
1581   // Make sure all optional UI is removed before we are destroyed, otherwise
1582   // there will be consequences (since our view hierarchy will still have
1583   // references to freed views).
1584   UpdateUIForContents(nullptr);
1585 }
1586
1587 void BrowserView::WillCloseAllTabs() {
1588   web_contents_close_handler_->WillCloseAllTabs();
1589 }
1590
1591 void BrowserView::CloseAllTabsCanceled() {
1592   web_contents_close_handler_->CloseAllTabsCanceled();
1593 }
1594
1595 ///////////////////////////////////////////////////////////////////////////////
1596 // BrowserView, ui::AcceleratorProvider implementation:
1597
1598 bool BrowserView::GetAcceleratorForCommandId(int command_id,
1599                                              ui::Accelerator* accelerator) {
1600   // Let's let the ToolbarView own the canonical implementation of this method.
1601   return toolbar_->GetAcceleratorForCommandId(command_id, accelerator);
1602 }
1603
1604 ///////////////////////////////////////////////////////////////////////////////
1605 // BrowserView, views::WidgetDelegate implementation:
1606
1607 bool BrowserView::CanResize() const {
1608   return true;
1609 }
1610
1611 bool BrowserView::CanMaximize() const {
1612   return true;
1613 }
1614
1615 bool BrowserView::CanMinimize() const {
1616   return true;
1617 }
1618
1619 bool BrowserView::CanActivate() const {
1620   app_modal::AppModalDialogQueue* queue =
1621       app_modal::AppModalDialogQueue::GetInstance();
1622   if (!queue->active_dialog() || !queue->active_dialog()->native_dialog() ||
1623       !queue->active_dialog()->native_dialog()->IsShowing()) {
1624     return true;
1625   }
1626
1627 #if defined(USE_AURA) && defined(OS_CHROMEOS)
1628   // On Aura window manager controls all windows so settings focus via PostTask
1629   // will make only worse because posted task will keep trying to steal focus.
1630   queue->ActivateModalDialog();
1631 #else
1632   // If another browser is app modal, flash and activate the modal browser. This
1633   // has to be done in a post task, otherwise if the user clicked on a window
1634   // that doesn't have the modal dialog the windows keep trying to get the focus
1635   // from each other on Windows. http://crbug.com/141650.
1636   base::MessageLoop::current()->PostTask(
1637       FROM_HERE,
1638       base::Bind(&BrowserView::ActivateAppModalDialog,
1639                  activate_modal_dialog_factory_.GetWeakPtr()));
1640 #endif
1641   return false;
1642 }
1643
1644 base::string16 BrowserView::GetWindowTitle() const {
1645   return browser_->GetWindowTitleForCurrentTab();
1646 }
1647
1648 base::string16 BrowserView::GetAccessibleWindowTitle() const {
1649   if (IsOffTheRecord()) {
1650     return l10n_util::GetStringFUTF16(
1651         IDS_ACCESSIBLE_INCOGNITO_WINDOW_TITLE_FORMAT,
1652         GetWindowTitle());
1653   }
1654   return GetWindowTitle();
1655 }
1656
1657 views::View* BrowserView::GetInitiallyFocusedView() {
1658   return nullptr;
1659 }
1660
1661 bool BrowserView::ShouldShowWindowTitle() const {
1662   // For Ash only, trusted windows (apps and settings) do not show a title,
1663   // crbug.com/119411. Child windows (i.e. popups) do show a title.
1664   if (browser_->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH &&
1665       browser_->is_trusted_source() &&
1666       !browser_->SupportsWindowFeature(Browser::FEATURE_WEBAPPFRAME))
1667     return false;
1668
1669   return browser_->SupportsWindowFeature(Browser::FEATURE_TITLEBAR);
1670 }
1671
1672 gfx::ImageSkia BrowserView::GetWindowAppIcon() {
1673   if (browser_->is_app()) {
1674     WebContents* contents = browser_->tab_strip_model()->GetActiveWebContents();
1675     extensions::TabHelper* extensions_tab_helper =
1676         contents ? extensions::TabHelper::FromWebContents(contents) : nullptr;
1677     if (extensions_tab_helper && extensions_tab_helper->GetExtensionAppIcon())
1678       return gfx::ImageSkia::CreateFrom1xBitmap(
1679           *extensions_tab_helper->GetExtensionAppIcon());
1680   }
1681
1682   return GetWindowIcon();
1683 }
1684
1685 gfx::ImageSkia BrowserView::GetWindowIcon() {
1686   if (browser_->is_app() || browser_->is_type_popup())
1687     return browser_->GetCurrentPageIcon().AsImageSkia();
1688   return gfx::ImageSkia();
1689 }
1690
1691 bool BrowserView::ShouldShowWindowIcon() const {
1692   // For Ash only, trusted windows (apps and settings) do not show an icon,
1693   // crbug.com/119411. Child windows (i.e. popups) do show an icon.
1694   if (browser_->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH &&
1695       browser_->is_trusted_source() &&
1696       !browser_->SupportsWindowFeature(Browser::FEATURE_WEBAPPFRAME))
1697     return false;
1698
1699   return browser_->SupportsWindowFeature(Browser::FEATURE_TITLEBAR);
1700 }
1701
1702 bool BrowserView::ExecuteWindowsCommand(int command_id) {
1703   // This function handles WM_SYSCOMMAND, WM_APPCOMMAND, and WM_COMMAND.
1704 #if defined(OS_WIN)
1705   if (command_id == IDC_DEBUG_FRAME_TOGGLE)
1706     GetWidget()->DebugToggleFrameType();
1707 #endif
1708   // Translate WM_APPCOMMAND command ids into a command id that the browser
1709   // knows how to handle.
1710   int command_id_from_app_command = GetCommandIDForAppCommandID(command_id);
1711   if (command_id_from_app_command != -1)
1712     command_id = command_id_from_app_command;
1713
1714   return chrome::ExecuteCommand(browser_.get(), command_id);
1715 }
1716
1717 std::string BrowserView::GetWindowName() const {
1718   return chrome::GetWindowName(browser_.get());
1719 }
1720
1721 void BrowserView::SaveWindowPlacement(const gfx::Rect& bounds,
1722                                       ui::WindowShowState show_state) {
1723   // If IsFullscreen() is true, we've just changed into fullscreen mode, and
1724   // we're catching the going-into-fullscreen sizing and positioning calls,
1725   // which we want to ignore.
1726   if (!IsFullscreen() && frame_->ShouldSaveWindowPlacement() &&
1727       chrome::ShouldSaveWindowPlacement(browser_.get())) {
1728     WidgetDelegate::SaveWindowPlacement(bounds, show_state);
1729     chrome::SaveWindowPlacement(browser_.get(), bounds, show_state);
1730   }
1731 }
1732
1733 bool BrowserView::GetSavedWindowPlacement(
1734     const views::Widget* widget,
1735     gfx::Rect* bounds,
1736     ui::WindowShowState* show_state) const {
1737   chrome::GetSavedWindowBoundsAndShowState(browser_.get(), bounds, show_state);
1738
1739   if (browser_->is_type_popup() &&
1740       !browser_->is_app() &&
1741       !browser_->is_trusted_source()) {
1742     // This is normal non-app popup window. The value passed in |bounds|
1743     // represents two pieces of information:
1744     // - the position of the window, in screen coordinates (outer position).
1745     // - the size of the content area (inner size).
1746     // We need to use these values to determine the appropriate size and
1747     // position of the resulting window.
1748     if (IsToolbarVisible()) {
1749       // If we're showing the toolbar, we need to adjust |*bounds| to include
1750       // its desired height, since the toolbar is considered part of the
1751       // window's client area as far as GetWindowBoundsForClientBounds is
1752       // concerned...
1753       bounds->set_height(
1754           bounds->height() + toolbar_->GetPreferredSize().height());
1755     }
1756
1757     gfx::Rect window_rect = frame_->non_client_view()->
1758         GetWindowBoundsForClientBounds(*bounds);
1759     window_rect.set_origin(bounds->origin());
1760
1761     // When we are given x/y coordinates of 0 on a created popup window,
1762     // assume none were given by the window.open() command.
1763     if (window_rect.x() == 0 && window_rect.y() == 0) {
1764       gfx::Size size = window_rect.size();
1765       window_rect.set_origin(
1766           WindowSizer::GetDefaultPopupOrigin(size,
1767                                              browser_->host_desktop_type()));
1768     }
1769
1770     *bounds = window_rect;
1771     *show_state = ui::SHOW_STATE_NORMAL;
1772   }
1773
1774   // We return true because we can _always_ locate reasonable bounds using the
1775   // WindowSizer, and we don't want to trigger the Window's built-in "size to
1776   // default" handling because the browser window has no default preferred
1777   // size.
1778   return true;
1779 }
1780
1781 views::View* BrowserView::GetContentsView() {
1782   return contents_web_view_;
1783 }
1784
1785 views::ClientView* BrowserView::CreateClientView(views::Widget* widget) {
1786   return this;
1787 }
1788
1789 void BrowserView::OnWidgetActivationChanged(views::Widget* widget,
1790                                             bool active) {
1791   if (active)
1792     BrowserList::SetLastActive(browser_.get());
1793 }
1794
1795 void BrowserView::OnWindowBeginUserBoundsChange() {
1796   WebContents* web_contents = GetActiveWebContents();
1797   if (!web_contents)
1798     return;
1799   web_contents->GetRenderViewHost()->NotifyMoveOrResizeStarted();
1800 }
1801
1802 void BrowserView::OnWidgetMove() {
1803   if (!initialized_) {
1804     // Creating the widget can trigger a move. Ignore it until we've initialized
1805     // things.
1806     return;
1807   }
1808
1809   // Cancel any tabstrip animations, some of them may be invalidated by the
1810   // window being repositioned.
1811   // Comment out for one cycle to see if this fixes dist tests.
1812   // tabstrip_->DestroyDragController();
1813
1814   // status_bubble_ may be null if this is invoked during construction.
1815   if (status_bubble_.get())
1816     status_bubble_->Reposition();
1817
1818   BookmarkBubbleView::Hide();
1819
1820   // Close the omnibox popup, if any.
1821   LocationBarView* location_bar_view = GetLocationBarView();
1822   if (location_bar_view)
1823     location_bar_view->GetOmniboxView()->CloseOmniboxPopup();
1824 }
1825
1826 views::Widget* BrowserView::GetWidget() {
1827   return View::GetWidget();
1828 }
1829
1830 const views::Widget* BrowserView::GetWidget() const {
1831   return View::GetWidget();
1832 }
1833
1834 void BrowserView::GetAccessiblePanes(std::vector<views::View*>* panes) {
1835   // This should be in the order of pane traversal of the panes using F6
1836   // (Windows) or Ctrl+Back/Forward (Chrome OS).  If one of these is
1837   // invisible or has no focusable children, it will be automatically
1838   // skipped.
1839   panes->push_back(toolbar_);
1840   if (bookmark_bar_view_.get())
1841     panes->push_back(bookmark_bar_view_.get());
1842   if (infobar_container_)
1843     panes->push_back(infobar_container_);
1844   if (download_shelf_.get())
1845     panes->push_back(download_shelf_.get());
1846   panes->push_back(GetTabContentsContainerView());
1847   if (devtools_web_view_->visible())
1848     panes->push_back(devtools_web_view_);
1849 }
1850
1851 ///////////////////////////////////////////////////////////////////////////////
1852 // BrowserView, views::ClientView overrides:
1853
1854 bool BrowserView::CanClose() {
1855   // You cannot close a frame for which there is an active originating drag
1856   // session.
1857   if (tabstrip_ && !tabstrip_->IsTabStripCloseable())
1858     return false;
1859
1860   // Give beforeunload handlers the chance to cancel the close before we hide
1861   // the window below.
1862   if (!browser_->ShouldCloseWindow())
1863     return false;
1864
1865   bool fast_tab_closing_enabled =
1866       base::CommandLine::ForCurrentProcess()->HasSwitch(
1867           switches::kEnableFastUnload);
1868
1869   if (!browser_->tab_strip_model()->empty()) {
1870     // Tab strip isn't empty.  Hide the frame (so it appears to have closed
1871     // immediately) and close all the tabs, allowing the renderers to shut
1872     // down. When the tab strip is empty we'll be called back again.
1873     frame_->Hide();
1874     browser_->OnWindowClosing();
1875     if (fast_tab_closing_enabled)
1876       browser_->tab_strip_model()->CloseAllTabs();
1877     return false;
1878   } else if (fast_tab_closing_enabled &&
1879         !browser_->HasCompletedUnloadProcessing()) {
1880     // The browser needs to finish running unload handlers.
1881     // Hide the frame (so it appears to have closed immediately), and
1882     // the browser will call us back again when it is ready to close.
1883     frame_->Hide();
1884     return false;
1885   }
1886
1887   // Empty TabStripModel, it's now safe to allow the Window to be closed.
1888   content::NotificationService::current()->Notify(
1889       chrome::NOTIFICATION_WINDOW_CLOSED,
1890       content::Source<gfx::NativeWindow>(frame_->GetNativeWindow()),
1891       content::NotificationService::NoDetails());
1892   return true;
1893 }
1894
1895 int BrowserView::NonClientHitTest(const gfx::Point& point) {
1896   return GetBrowserViewLayout()->NonClientHitTest(point);
1897 }
1898
1899 gfx::Size BrowserView::GetMinimumSize() const {
1900   return GetBrowserViewLayout()->GetMinimumSize();
1901 }
1902
1903 ///////////////////////////////////////////////////////////////////////////////
1904 // BrowserView, views::View overrides:
1905
1906 const char* BrowserView::GetClassName() const {
1907   return kViewClassName;
1908 }
1909
1910 void BrowserView::Layout() {
1911   if (!initialized_ || in_process_fullscreen_)
1912     return;
1913
1914   views::View::Layout();
1915
1916   // TODO(jamescook): Why was this in the middle of layout code?
1917   toolbar_->location_bar()->omnibox_view()->SetFocusable(IsToolbarVisible());
1918 }
1919
1920 void BrowserView::PaintChildren(const ui::PaintContext& context) {
1921   // Paint the |infobar_container_| last so that it may paint its
1922   // overlapping tabs.
1923   for (int i = 0; i < child_count(); ++i) {
1924     View* child = child_at(i);
1925     if (child != infobar_container_ && !child->layer())
1926       child->Paint(context);
1927   }
1928
1929   infobar_container_->Paint(context);
1930 }
1931
1932 void BrowserView::ViewHierarchyChanged(
1933     const ViewHierarchyChangedDetails& details) {
1934   if (!initialized_ && details.is_add && details.child == this && GetWidget()) {
1935     InitViews();
1936     initialized_ = true;
1937   }
1938 }
1939
1940 void BrowserView::ChildPreferredSizeChanged(View* child) {
1941   Layout();
1942 }
1943
1944 void BrowserView::GetAccessibleState(ui::AXViewState* state) {
1945   state->role = ui::AX_ROLE_CLIENT;
1946 }
1947
1948 void BrowserView::OnNativeThemeChanged(const ui::NativeTheme* theme) {
1949   // Do not handle native theme changes before the browser view is initialized.
1950   if (!initialized_)
1951     return;
1952   ClientView::OnNativeThemeChanged(theme);
1953   UserChangedTheme();
1954   chrome::MaybeShowInvertBubbleView(this);
1955 }
1956
1957 ///////////////////////////////////////////////////////////////////////////////
1958 // BrowserView, ui::AcceleratorTarget overrides:
1959
1960 bool BrowserView::AcceleratorPressed(const ui::Accelerator& accelerator) {
1961   std::map<ui::Accelerator, int>::const_iterator iter =
1962       accelerator_table_.find(accelerator);
1963   DCHECK(iter != accelerator_table_.end());
1964   int command_id = iter->second;
1965
1966   chrome::BrowserCommandController* controller = browser_->command_controller();
1967   if (!controller->block_command_execution())
1968     UpdateAcceleratorMetrics(accelerator, command_id);
1969   return chrome::ExecuteCommand(browser_.get(), command_id);
1970 }
1971
1972 ///////////////////////////////////////////////////////////////////////////////
1973 // BrowserView, OmniboxPopupModelObserver overrides:
1974 void BrowserView::OnOmniboxPopupShownOrHidden() {
1975   SetMaxTopArrowHeight(GetMaxTopInfoBarArrowHeight(), infobar_container_);
1976 }
1977
1978 ///////////////////////////////////////////////////////////////////////////////
1979 // BrowserView, InfoBarContainerDelegate overrides:
1980
1981 SkColor BrowserView::GetInfoBarSeparatorColor() const {
1982   // NOTE: Keep this in sync with ToolbarView::OnPaint()!
1983   return (IsTabStripVisible() || !frame_->ShouldUseNativeFrame()) ?
1984       ThemeProperties::GetDefaultColor(
1985           ThemeProperties::COLOR_TOOLBAR_SEPARATOR) :
1986       SK_ColorBLACK;
1987 }
1988
1989 void BrowserView::InfoBarContainerStateChanged(bool is_animating) {
1990   ToolbarSizeChanged(is_animating);
1991 }
1992
1993 bool BrowserView::DrawInfoBarArrows(int* x) const {
1994   if (x) {
1995     gfx::Point anchor(toolbar_->location_bar()->GetLocationBarAnchorPoint());
1996     ConvertPointToTarget(toolbar_->location_bar(), this, &anchor);
1997     *x = anchor.x();
1998   }
1999   return true;
2000 }
2001
2002 void BrowserView::InitViews() {
2003   GetWidget()->AddObserver(this);
2004
2005   // Stow a pointer to this object onto the window handle so that we can get at
2006   // it later when all we have is a native view.
2007   GetWidget()->SetNativeWindowProperty(kBrowserViewKey, this);
2008
2009   // Stow a pointer to the browser's profile onto the window handle so that we
2010   // can get it later when all we have is a native view.
2011   GetWidget()->SetNativeWindowProperty(Profile::kProfileKey,
2012                                        browser_->profile());
2013
2014   // Start a hung plugin window detector for this browser object (as long as
2015   // hang detection is not disabled).
2016   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
2017           switches::kDisableHangMonitor)) {
2018     InitHangMonitor();
2019   }
2020
2021   LoadAccelerators();
2022
2023   infobar_container_ = new InfoBarContainerView(this);
2024   AddChildView(infobar_container_);
2025
2026   contents_web_view_ = new ContentsWebView(browser_->profile());
2027   contents_web_view_->set_id(VIEW_ID_TAB_CONTAINER);
2028   contents_web_view_->SetEmbedFullscreenWidgetMode(true);
2029
2030   web_contents_close_handler_.reset(
2031       new WebContentsCloseHandler(contents_web_view_));
2032
2033   devtools_web_view_ = new views::WebView(browser_->profile());
2034   devtools_web_view_->set_id(VIEW_ID_DEV_TOOLS_DOCKED);
2035   devtools_web_view_->SetVisible(false);
2036
2037   contents_container_ = new views::View();
2038   contents_container_->set_background(views::Background::CreateSolidBackground(
2039       ThemeProperties::GetDefaultColor(
2040           ThemeProperties::COLOR_CONTROL_BACKGROUND)));
2041   contents_container_->AddChildView(devtools_web_view_);
2042   contents_container_->AddChildView(contents_web_view_);
2043   contents_container_->SetLayoutManager(new ContentsLayoutManager(
2044       devtools_web_view_, contents_web_view_));
2045   AddChildView(contents_container_);
2046   set_contents_view(contents_container_);
2047
2048   // Top container holds tab strip and toolbar and lives at the front of the
2049   // view hierarchy.
2050   top_container_ = new TopContainerView(this);
2051   AddChildView(top_container_);
2052
2053   // TabStrip takes ownership of the controller.
2054   BrowserTabStripController* tabstrip_controller =
2055       new BrowserTabStripController(browser_.get(),
2056                                     browser_->tab_strip_model());
2057   tabstrip_ = new TabStrip(tabstrip_controller);
2058   top_container_->AddChildView(tabstrip_);
2059   tabstrip_controller->InitFromModel(tabstrip_);
2060
2061   toolbar_ = new ToolbarView(browser_.get());
2062   top_container_->AddChildView(toolbar_);
2063   toolbar_->Init();
2064
2065   InitStatusBubble();
2066
2067   // Create do-nothing view for the sake of controlling the z-order of the find
2068   // bar widget.
2069   find_bar_host_view_ = new View();
2070   AddChildView(find_bar_host_view_);
2071
2072   immersive_mode_controller_->Init(this);
2073
2074   BrowserViewLayout* browser_view_layout = new BrowserViewLayout;
2075   browser_view_layout->Init(new BrowserViewLayoutDelegateImpl(this),
2076                             browser(),
2077                             this,
2078                             top_container_,
2079                             tabstrip_,
2080                             toolbar_,
2081                             infobar_container_,
2082                             contents_container_,
2083                             GetContentsLayoutManager(),
2084                             immersive_mode_controller_.get());
2085   SetLayoutManager(browser_view_layout);
2086
2087 #if defined(OS_WIN)
2088   // Create a custom JumpList and add it to an observer of TabRestoreService
2089   // so we can update the custom JumpList when a tab is added or removed.
2090   if (JumpList::Enabled()) {
2091     load_complete_listener_.reset(new LoadCompleteListener(this));
2092   }
2093 #endif
2094
2095   GetLocationBar()->GetOmniboxView()->model()->popup_model()->AddObserver(this);
2096 }
2097
2098 void BrowserView::LoadingAnimationCallback() {
2099   base::TimeTicks now = base::TimeTicks::Now();
2100   if (!last_animation_time_.is_null()) {
2101     UMA_HISTOGRAM_TIMES(
2102         "Tabs.LoadingAnimationTime",
2103         now - last_animation_time_);
2104   }
2105   last_animation_time_ = now;
2106   if (browser_->is_type_tabbed()) {
2107     // Loading animations are shown in the tab for tabbed windows.  We check the
2108     // browser type instead of calling IsTabStripVisible() because the latter
2109     // will return false for fullscreen windows, but we still need to update
2110     // their animations (so that when they come out of fullscreen mode they'll
2111     // be correct).
2112     tabstrip_->UpdateLoadingAnimations();
2113   } else if (ShouldShowWindowIcon()) {
2114     // ... or in the window icon area for popups and app windows.
2115     WebContents* web_contents =
2116         browser_->tab_strip_model()->GetActiveWebContents();
2117     // GetActiveWebContents can return null for example under Purify when
2118     // the animations are running slowly and this function is called on a timer
2119     // through LoadingAnimationCallback.
2120     frame_->UpdateThrobber(web_contents && web_contents->IsLoading());
2121   }
2122 }
2123
2124 void BrowserView::OnLoadCompleted() {
2125 #if defined(OS_WIN)
2126   DCHECK(!jumplist_.get());
2127   jumplist_ = new JumpList(browser_->profile());
2128 #endif
2129 }
2130
2131 BrowserViewLayout* BrowserView::GetBrowserViewLayout() const {
2132   return static_cast<BrowserViewLayout*>(GetLayoutManager());
2133 }
2134
2135 ContentsLayoutManager* BrowserView::GetContentsLayoutManager() const {
2136   return static_cast<ContentsLayoutManager*>(
2137       contents_container_->GetLayoutManager());
2138 }
2139
2140 bool BrowserView::MaybeShowBookmarkBar(WebContents* contents) {
2141   bool show_bookmark_bar = contents &&
2142       browser_->SupportsWindowFeature(Browser::FEATURE_BOOKMARKBAR);
2143   if (!show_bookmark_bar && !bookmark_bar_view_.get())
2144     return false;
2145   if (!bookmark_bar_view_.get()) {
2146     bookmark_bar_view_.reset(new BookmarkBarView(browser_.get(), this));
2147     bookmark_bar_view_->set_owned_by_client();
2148     bookmark_bar_view_->set_background(new BookmarkBarViewBackground(
2149         this, bookmark_bar_view_.get(), browser_.get()));
2150     bookmark_bar_view_->SetBookmarkBarState(
2151         browser_->bookmark_bar_state(),
2152         BookmarkBar::DONT_ANIMATE_STATE_CHANGE);
2153     GetBrowserViewLayout()->set_bookmark_bar(bookmark_bar_view_.get());
2154   }
2155   // Don't change the visibility of the BookmarkBarView. BrowserViewLayout
2156   // handles it.
2157   bookmark_bar_view_->SetPageNavigator(GetActiveWebContents());
2158
2159   // Update parenting for the bookmark bar. This may detach it from all views.
2160   bool needs_layout = false;
2161   views::View* new_parent = nullptr;
2162   if (show_bookmark_bar) {
2163     if (bookmark_bar_view_->IsDetached())
2164       new_parent = this;
2165     else
2166       new_parent = top_container_;
2167   }
2168   if (new_parent != bookmark_bar_view_->parent()) {
2169     SetBookmarkBarParent(new_parent);
2170     needs_layout = true;
2171   }
2172
2173   // Check for updates to the desired size.
2174   if (bookmark_bar_view_->GetPreferredSize().height() !=
2175       bookmark_bar_view_->height())
2176     needs_layout = true;
2177
2178   return needs_layout;
2179 }
2180
2181 void BrowserView::SetBookmarkBarParent(views::View* new_parent) {
2182   if (new_parent == this) {
2183     // Add it underneath |top_container_| or at the end if top container isn't
2184     // found.
2185     int top_container_index = GetIndexOf(top_container_);
2186     if (top_container_index >= 0)
2187       AddChildViewAt(bookmark_bar_view_.get(), top_container_index);
2188     else
2189       AddChildView(bookmark_bar_view_.get());
2190   } else if (new_parent) {
2191     // No special stacking is required for other parents.
2192     new_parent->AddChildView(bookmark_bar_view_.get());
2193   } else {
2194     // Bookmark bar is being detached from all views because it is hidden.
2195     bookmark_bar_view_->parent()->RemoveChildView(bookmark_bar_view_.get());
2196   }
2197 }
2198
2199 bool BrowserView::MaybeShowInfoBar(WebContents* contents) {
2200   // TODO(beng): Remove this function once the interface between
2201   //             InfoBarContainer, DownloadShelfView and WebContents and this
2202   //             view is sorted out.
2203   return true;
2204 }
2205
2206 void BrowserView::UpdateDevToolsForContents(
2207     WebContents* web_contents, bool update_devtools_web_contents) {
2208   DevToolsContentsResizingStrategy strategy;
2209   WebContents* devtools = DevToolsWindow::GetInTabWebContents(
2210       web_contents, &strategy);
2211
2212   if (!devtools_web_view_->web_contents() && devtools &&
2213       !devtools_focus_tracker_.get()) {
2214     // Install devtools focus tracker when dev tools window is shown for the
2215     // first time.
2216     devtools_focus_tracker_.reset(
2217         new views::ExternalFocusTracker(devtools_web_view_,
2218                                         GetFocusManager()));
2219   }
2220
2221   // Restore focus to the last focused view when hiding devtools window.
2222   if (devtools_web_view_->web_contents() && !devtools &&
2223       devtools_focus_tracker_.get()) {
2224     devtools_focus_tracker_->FocusLastFocusedExternalView();
2225     devtools_focus_tracker_.reset();
2226   }
2227
2228   // Replace devtools WebContents.
2229   if (devtools_web_view_->web_contents() != devtools &&
2230       update_devtools_web_contents) {
2231     devtools_web_view_->SetWebContents(devtools);
2232   }
2233
2234   if (devtools) {
2235     devtools_web_view_->SetVisible(true);
2236     GetContentsLayoutManager()->SetContentsResizingStrategy(strategy);
2237   } else {
2238     devtools_web_view_->SetVisible(false);
2239     GetContentsLayoutManager()->SetContentsResizingStrategy(
2240         DevToolsContentsResizingStrategy());
2241   }
2242   contents_container_->Layout();
2243
2244   if (devtools) {
2245     // When strategy.hide_inspected_contents() returns true, we are hiding
2246     // contents_web_view_ behind the devtools_web_view_. Otherwise,
2247     // contents_web_view_ should be right above the devtools_web_view_.
2248     int devtools_index = contents_container_->GetIndexOf(devtools_web_view_);
2249     int contents_index = contents_container_->GetIndexOf(contents_web_view_);
2250     bool devtools_is_on_top = devtools_index > contents_index;
2251     if (strategy.hide_inspected_contents() != devtools_is_on_top)
2252       contents_container_->ReorderChildView(contents_web_view_, devtools_index);
2253   }
2254 }
2255
2256 void BrowserView::UpdateUIForContents(WebContents* contents) {
2257   bool needs_layout = MaybeShowBookmarkBar(contents);
2258   // TODO(jamescook): This function always returns true. Remove it and figure
2259   // out when layout is actually required.
2260   needs_layout |= MaybeShowInfoBar(contents);
2261   if (needs_layout)
2262     Layout();
2263 }
2264
2265 void BrowserView::ProcessFullscreen(bool fullscreen,
2266                                     FullscreenMode mode,
2267                                     const GURL& url,
2268                                     ExclusiveAccessBubbleType bubble_type) {
2269   if (in_process_fullscreen_)
2270     return;
2271   in_process_fullscreen_ = true;
2272
2273   // Reduce jankiness during the following position changes by:
2274   //   * Hiding the window until it's in the final position
2275   //   * Ignoring all intervening Layout() calls, which resize the webpage and
2276   //     thus are slow and look ugly (enforced via |in_process_fullscreen_|).
2277   LocationBarView* location_bar = GetLocationBarView();
2278
2279   if (mode == METRO_SNAP_FULLSCREEN || !fullscreen) {
2280     // Hide the fullscreen bubble as soon as possible, since the mode toggle can
2281     // take enough time for the user to notice.
2282     exclusive_access_bubble_.reset();
2283   }
2284
2285   if (fullscreen) {
2286     // Move focus out of the location bar if necessary.
2287     views::FocusManager* focus_manager = GetFocusManager();
2288     DCHECK(focus_manager);
2289     // Look for focus in the location bar itself or any child view.
2290     if (location_bar->Contains(focus_manager->GetFocusedView()))
2291       focus_manager->ClearFocus();
2292   }
2293
2294   // Toggle fullscreen mode.
2295   frame_->SetFullscreen(fullscreen);
2296
2297   // Enable immersive before the browser refreshes its list of enabled commands.
2298   if (mode != METRO_SNAP_FULLSCREEN && ShouldUseImmersiveFullscreenForUrl(url))
2299     immersive_mode_controller_->SetEnabled(fullscreen);
2300
2301   browser_->WindowFullscreenStateChanged();
2302
2303   if (fullscreen && !chrome::IsRunningInAppMode() &&
2304       mode != METRO_SNAP_FULLSCREEN) {
2305     UpdateExclusiveAccessExitBubbleContent(url, bubble_type);
2306   }
2307
2308   // Undo our anti-jankiness hacks and force a re-layout. We also need to
2309   // recompute the height of the infobar top arrow because toggling in and out
2310   // of fullscreen changes it. Calling ToolbarSizeChanged() will do both these
2311   // things since it computes the arrow height directly and forces a layout
2312   // indirectly via UpdateUIForContents(). Reset |in_process_fullscreen_| in
2313   // order to let the layout occur.
2314   in_process_fullscreen_ = false;
2315   ToolbarSizeChanged(false);
2316
2317   if (permission_bubble_.get())
2318     permission_bubble_->UpdateAnchorPosition();
2319 }
2320
2321 bool BrowserView::ShouldUseImmersiveFullscreenForUrl(const GURL& url) const {
2322   // Kiosk mode needs the whole screen, and if we're not in an Ash desktop
2323   // immersive fullscreen doesn't exist.
2324   if (base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kKioskMode) ||
2325       browser()->host_desktop_type() != chrome::HOST_DESKTOP_TYPE_ASH) {
2326     return false;
2327   }
2328
2329   return url.is_empty();
2330 }
2331
2332 void BrowserView::LoadAccelerators() {
2333   views::FocusManager* focus_manager = GetFocusManager();
2334   DCHECK(focus_manager);
2335
2336   // Let's fill our own accelerator table.
2337   const bool is_app_mode = chrome::IsRunningInForcedAppMode();
2338   const std::vector<chrome::AcceleratorMapping> accelerator_list(
2339       chrome::GetAcceleratorList());
2340   for (std::vector<chrome::AcceleratorMapping>::const_iterator it =
2341            accelerator_list.begin(); it != accelerator_list.end(); ++it) {
2342     // In app mode, only allow accelerators of white listed commands to pass
2343     // through.
2344     if (is_app_mode && !chrome::IsCommandAllowedInAppMode(it->command_id))
2345       continue;
2346
2347     ui::Accelerator accelerator(it->keycode, it->modifiers);
2348     accelerator_table_[accelerator] = it->command_id;
2349
2350     // Also register with the focus manager.
2351     focus_manager->RegisterAccelerator(
2352         accelerator, ui::AcceleratorManager::kNormalPriority, this);
2353   }
2354 }
2355
2356 int BrowserView::GetCommandIDForAppCommandID(int app_command_id) const {
2357 #if defined(OS_WIN)
2358   switch (app_command_id) {
2359     // NOTE: The order here matches the APPCOMMAND declaration order in the
2360     // Windows headers.
2361     case APPCOMMAND_BROWSER_BACKWARD: return IDC_BACK;
2362     case APPCOMMAND_BROWSER_FORWARD:  return IDC_FORWARD;
2363     case APPCOMMAND_BROWSER_REFRESH:  return IDC_RELOAD;
2364     case APPCOMMAND_BROWSER_HOME:     return IDC_HOME;
2365     case APPCOMMAND_BROWSER_STOP:     return IDC_STOP;
2366     case APPCOMMAND_BROWSER_SEARCH:   return IDC_FOCUS_SEARCH;
2367     case APPCOMMAND_HELP:             return IDC_HELP_PAGE_VIA_KEYBOARD;
2368     case APPCOMMAND_NEW:              return IDC_NEW_TAB;
2369     case APPCOMMAND_OPEN:             return IDC_OPEN_FILE;
2370     case APPCOMMAND_CLOSE:            return IDC_CLOSE_TAB;
2371     case APPCOMMAND_SAVE:             return IDC_SAVE_PAGE;
2372     case APPCOMMAND_PRINT:            return IDC_PRINT;
2373     case APPCOMMAND_COPY:             return IDC_COPY;
2374     case APPCOMMAND_CUT:              return IDC_CUT;
2375     case APPCOMMAND_PASTE:            return IDC_PASTE;
2376
2377       // TODO(pkasting): http://b/1113069 Handle these.
2378     case APPCOMMAND_UNDO:
2379     case APPCOMMAND_REDO:
2380     case APPCOMMAND_SPELL_CHECK:
2381     default:                          return -1;
2382   }
2383 #else
2384   // App commands are Windows-specific so there's nothing to do here.
2385   return -1;
2386 #endif
2387 }
2388
2389 void BrowserView::InitHangMonitor() {
2390 #if defined(OS_WIN)
2391   PrefService* pref_service = g_browser_process->local_state();
2392   if (!pref_service)
2393     return;
2394
2395   int plugin_message_response_timeout =
2396       pref_service->GetInteger(prefs::kPluginMessageResponseTimeout);
2397   int hung_plugin_detect_freq =
2398       pref_service->GetInteger(prefs::kHungPluginDetectFrequency);
2399   HWND window = GetWidget()->GetNativeView()->GetHost()->
2400       GetAcceleratedWidget();
2401   if ((hung_plugin_detect_freq > 0) &&
2402       hung_window_detector_.Initialize(window,
2403                                        plugin_message_response_timeout)) {
2404     ticker_.set_tick_interval(hung_plugin_detect_freq);
2405     ticker_.RegisterTickHandler(&hung_window_detector_);
2406     ticker_.Start();
2407
2408     pref_service->SetInteger(prefs::kPluginMessageResponseTimeout,
2409                              plugin_message_response_timeout);
2410     pref_service->SetInteger(prefs::kHungPluginDetectFrequency,
2411                              hung_plugin_detect_freq);
2412   }
2413 #endif
2414 }
2415
2416 void BrowserView::UpdateAcceleratorMetrics(const ui::Accelerator& accelerator,
2417                                            int command_id) {
2418   const ui::KeyboardCode key_code = accelerator.key_code();
2419   if (command_id == IDC_HELP_PAGE_VIA_KEYBOARD && key_code == ui::VKEY_F1)
2420     content::RecordAction(UserMetricsAction("ShowHelpTabViaF1"));
2421
2422   if (command_id == IDC_BOOKMARK_PAGE)
2423     UMA_HISTOGRAM_ENUMERATION("Bookmarks.EntryPoint",
2424                               BOOKMARK_ENTRY_POINT_ACCELERATOR,
2425                               BOOKMARK_ENTRY_POINT_LIMIT);
2426
2427 #if defined(OS_CHROMEOS)
2428   // Collect information about the relative popularity of various accelerators
2429   // on Chrome OS.
2430   switch (command_id) {
2431     case IDC_BACK:
2432       if (key_code == ui::VKEY_BACK)
2433         content::RecordAction(UserMetricsAction("Accel_Back_Backspace"));
2434       else if (key_code == ui::VKEY_BROWSER_BACK)
2435         content::RecordAction(UserMetricsAction("Accel_Back_F1"));
2436       else if (key_code == ui::VKEY_LEFT)
2437         content::RecordAction(UserMetricsAction("Accel_Back_Left"));
2438       break;
2439     case IDC_FORWARD:
2440       if (key_code == ui::VKEY_BACK)
2441         content::RecordAction(UserMetricsAction("Accel_Forward_Backspace"));
2442       else if (key_code == ui::VKEY_BROWSER_FORWARD)
2443         content::RecordAction(UserMetricsAction("Accel_Forward_F2"));
2444       else if (key_code == ui::VKEY_RIGHT)
2445         content::RecordAction(UserMetricsAction("Accel_Forward_Right"));
2446       break;
2447     case IDC_RELOAD:
2448     case IDC_RELOAD_IGNORING_CACHE:
2449       if (key_code == ui::VKEY_R)
2450         content::RecordAction(UserMetricsAction("Accel_Reload_R"));
2451       else if (key_code == ui::VKEY_BROWSER_REFRESH)
2452         content::RecordAction(UserMetricsAction("Accel_Reload_F3"));
2453       break;
2454     case IDC_FOCUS_LOCATION:
2455       if (key_code == ui::VKEY_D)
2456         content::RecordAction(UserMetricsAction("Accel_FocusLocation_D"));
2457       else if (key_code == ui::VKEY_L)
2458         content::RecordAction(UserMetricsAction("Accel_FocusLocation_L"));
2459       break;
2460     case IDC_FOCUS_SEARCH:
2461       if (key_code == ui::VKEY_E)
2462         content::RecordAction(UserMetricsAction("Accel_FocusSearch_E"));
2463       else if (key_code == ui::VKEY_K)
2464         content::RecordAction(UserMetricsAction("Accel_FocusSearch_K"));
2465       break;
2466     default:
2467       // Do nothing.
2468       break;
2469   }
2470 #endif
2471 }
2472
2473 void BrowserView::ShowAvatarBubbleFromAvatarButton(
2474     AvatarBubbleMode mode,
2475     const signin::ManageAccountsParams& manage_accounts_params) {
2476   views::BubbleBorder::Arrow arrow = views::BubbleBorder::TOP_RIGHT;
2477   views::BubbleBorder::BubbleAlignment alignment =
2478       views::BubbleBorder::ALIGN_ARROW_TO_MID_ANCHOR;
2479   views::View* anchor_view = frame_->GetAvatarMenuButton();
2480   if (!anchor_view)
2481     anchor_view = toolbar_->app_menu();
2482   else if (!frame_->GetAvatarMenuButton()->button_on_right())
2483     arrow = views::BubbleBorder::TOP_LEFT;
2484
2485   if (switches::IsNewAvatarMenu()) {
2486     NewAvatarButton* button = frame_->GetNewAvatarMenuButton();
2487     if (button) {
2488       anchor_view = button;
2489       arrow = views::BubbleBorder::TOP_RIGHT;
2490       alignment = views::BubbleBorder::ALIGN_EDGE_TO_ANCHOR_EDGE;
2491     }
2492
2493     profiles::BubbleViewMode bubble_view_mode;
2494     profiles::TutorialMode tutorial_mode;
2495     profiles::BubbleViewModeFromAvatarBubbleMode(
2496         mode, &bubble_view_mode, &tutorial_mode);
2497     ProfileChooserView::ShowBubble(
2498         bubble_view_mode, tutorial_mode,
2499         manage_accounts_params, anchor_view, arrow, alignment, browser());
2500   } else {
2501     gfx::Point origin;
2502     views::View::ConvertPointToScreen(anchor_view, &origin);
2503     gfx::Rect bounds(origin, anchor_view->size());
2504     views::BubbleBorder::ArrowPaintType arrow_paint_type =
2505         ShouldHideUIForFullscreen() ? views::BubbleBorder::PAINT_TRANSPARENT :
2506                                       views::BubbleBorder::PAINT_NORMAL;
2507     AvatarMenuBubbleView::ShowBubble(anchor_view, arrow, arrow_paint_type,
2508                                      alignment, bounds, browser());
2509   }
2510   ProfileMetrics::LogProfileOpenMethod(ProfileMetrics::ICON_AVATAR_BUBBLE);
2511 }
2512
2513 void BrowserView::CloseAvatarBubbleFromAvatarButton() {
2514   if (switches::IsNewAvatarMenu())
2515     ProfileChooserView::Hide();
2516   else
2517     AvatarMenuBubbleView::Hide();
2518 }
2519
2520 int BrowserView::GetRenderViewHeightInsetWithDetachedBookmarkBar() {
2521   if (browser_->bookmark_bar_state() != BookmarkBar::DETACHED ||
2522       !bookmark_bar_view_.get() || !bookmark_bar_view_->IsDetached()) {
2523     return 0;
2524   }
2525   // Don't use bookmark_bar_view_->height() which won't be the final height if
2526   // the bookmark bar is animating.
2527   return chrome::kNTPBookmarkBarHeight -
2528       bookmark_bar_view_->GetFullyDetachedToolbarOverlap();
2529 }
2530
2531 void BrowserView::ExecuteExtensionCommand(
2532     const extensions::Extension* extension,
2533     const extensions::Command& command) {
2534   toolbar_->ExecuteExtensionCommand(extension, command);
2535 }
2536
2537 ExclusiveAccessContext* BrowserView::GetExclusiveAccessContext() {
2538   return this;
2539 }
2540
2541 bool BrowserView::DoCutCopyPasteForWebContents(
2542     WebContents* contents,
2543     void (WebContents::*method)()) {
2544   // Using RWH interface rather than a fake key event for a WebContent is
2545   // important since a fake event might be consumed by the web content.
2546   if (contents->GetRenderWidgetHostView()->HasFocus()) {
2547     (contents->*method)();
2548     return true;
2549   }
2550
2551   return false;
2552 }
2553
2554 void BrowserView::ActivateAppModalDialog() const {
2555   // If another browser is app modal, flash and activate the modal browser.
2556   app_modal::AppModalDialog* active_dialog =
2557       app_modal::AppModalDialogQueue::GetInstance()->active_dialog();
2558   if (!active_dialog)
2559     return;
2560
2561   Browser* modal_browser =
2562       chrome::FindBrowserWithWebContents(active_dialog->web_contents());
2563   if (modal_browser && (browser_ != modal_browser)) {
2564     modal_browser->window()->FlashFrame(true);
2565     modal_browser->window()->Activate();
2566   }
2567
2568   app_modal::AppModalDialogQueue::GetInstance()->ActivateModalDialog();
2569 }
2570
2571 int BrowserView::GetMaxTopInfoBarArrowHeight() {
2572   int top_arrow_height = 0;
2573   // Only show the arrows when not in fullscreen and when there's no omnibox
2574   // popup.
2575   if (!IsFullscreen() &&
2576       !GetLocationBar()->GetOmniboxView()->model()->popup_model()->IsOpen()) {
2577     gfx::Point icon_bottom(
2578         toolbar_->location_bar()->GetLocationBarAnchorPoint());
2579     ConvertPointToTarget(toolbar_->location_bar(), this, &icon_bottom);
2580     gfx::Point infobar_top(0, infobar_container_->GetVerticalOverlap(nullptr));
2581     ConvertPointToTarget(infobar_container_, this, &infobar_top);
2582     top_arrow_height = infobar_top.y() - icon_bottom.y();
2583   }
2584   return top_arrow_height;
2585 }
2586
2587 ///////////////////////////////////////////////////////////////////////////////
2588 // BrowserView, ExclusiveAccessContext overrides
2589 Profile* BrowserView::GetProfile() {
2590   return browser_->profile();
2591 }
2592
2593 WebContents* BrowserView::GetActiveWebContents() {
2594   return browser_->tab_strip_model()->GetActiveWebContents();
2595 }
2596
2597 void BrowserView::UnhideDownloadShelf() {
2598   GetDownloadShelf()->Unhide();
2599 }
2600
2601 void BrowserView::HideDownloadShelf() {
2602   GetDownloadShelf()->Hide();
2603   StatusBubble* statusBubble = GetStatusBubble();
2604   if (statusBubble)
2605     statusBubble->Hide();
2606 }
2607
2608 ///////////////////////////////////////////////////////////////////////////////
2609 // BrowserView, ExclusiveAccessBubbleViewsContext overrides
2610 ExclusiveAccessManager* BrowserView::GetExclusiveAccessManager() {
2611   return browser_->exclusive_access_manager();
2612 }
2613
2614 bool BrowserView::IsImmersiveModeEnabled() {
2615   return immersive_mode_controller()->IsEnabled();
2616 }
2617
2618 views::Widget* BrowserView::GetBubbleAssociatedWidget() {
2619   return GetWidget();
2620 }
2621
2622 gfx::Rect BrowserView::GetTopContainerBoundsInScreen() {
2623   return top_container_->GetBoundsInScreen();
2624 }