chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/views/bookmarks/bookmark_bar_view.h"
   6
   7 #include <algorithm>
   8 #include <limits>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/bind.h"
  13 #include "base/i18n/rtl.h"
  14 #include "base/location.h"
  15 #include "base/metrics/histogram.h"
  16 #include "base/prefs/pref_service.h"
  17 #include "base/single_thread_task_runner.h"
  18 #include "base/strings/string_util.h"
  19 #include "base/strings/utf_string_conversions.h"
  20 #include "base/thread_task_runner_handle.h"
  21 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
  22 #include "chrome/browser/bookmarks/managed_bookmark_service_factory.h"
  23 #include "chrome/browser/browser_process.h"
  24 #include "chrome/browser/chrome_notification_types.h"
  25 #include "chrome/browser/defaults.h"
  26 #include "chrome/browser/profiles/profile.h"
  27 #include "chrome/browser/search/search.h"
  28 #include "chrome/browser/sync/profile_sync_service.h"
  29 #include "chrome/browser/sync/profile_sync_service_factory.h"
  30 #include "chrome/browser/themes/theme_properties.h"
  31 #include "chrome/browser/ui/bookmarks/bookmark_bar_constants.h"
  32 #include "chrome/browser/ui/bookmarks/bookmark_drag_drop.h"
  33 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
  34 #include "chrome/browser/ui/bookmarks/bookmark_utils.h"
  35 #include "chrome/browser/ui/browser.h"
  36 #include "chrome/browser/ui/chrome_pages.h"
  37 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  38 #include "chrome/browser/ui/view_ids.h"
  39 #include "chrome/browser/ui/views/bookmarks/bookmark_bar_instructions_view.h"
  40 #include "chrome/browser/ui/views/bookmarks/bookmark_bar_view_observer.h"
  41 #include "chrome/browser/ui/views/bookmarks/bookmark_context_menu.h"
  42 #include "chrome/browser/ui/views/bookmarks/bookmark_menu_controller_views.h"
  43 #include "chrome/browser/ui/views/event_utils.h"
  44 #include "chrome/browser/ui/views/frame/browser_view.h"
  45 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
  46 #include "chrome/common/chrome_switches.h"
  47 #include "chrome/common/extensions/extension_constants.h"
  48 #include "chrome/common/extensions/extension_metrics.h"
  49 #include "chrome/common/pref_names.h"
  50 #include "chrome/common/url_constants.h"
  51 #include "chrome/grit/generated_resources.h"
  52 #include "components/bookmarks/browser/bookmark_model.h"
  53 #include "components/bookmarks/browser/bookmark_utils.h"
  54 #include "components/bookmarks/managed/managed_bookmark_service.h"
  55 #include "components/metrics/metrics_service.h"
  56 #include "components/omnibox/browser/omnibox_popup_model.h"
  57 #include "components/omnibox/browser/omnibox_view.h"
  58 #include "components/url_formatter/elide_url.h"
  59 #include "content/public/browser/notification_details.h"
  60 #include "content/public/browser/notification_source.h"
  61 #include "content/public/browser/page_navigator.h"
  62 #include "content/public/browser/render_view_host.h"
  63 #include "content/public/browser/render_widget_host_view.h"
  64 #include "content/public/browser/user_metrics.h"
  65 #include "content/public/browser/web_contents.h"
  66 #include "extensions/browser/extension_registry.h"
  67 #include "extensions/common/extension.h"
  68 #include "extensions/common/extension_set.h"
  69 #include "grit/theme_resources.h"
  70 #include "ui/accessibility/ax_view_state.h"
  71 #include "ui/base/dragdrop/drag_utils.h"
  72 #include "ui/base/dragdrop/os_exchange_data.h"
  73 #include "ui/base/l10n/l10n_util.h"
  74 #include "ui/base/page_transition_types.h"
  75 #include "ui/base/resource/resource_bundle.h"
  76 #include "ui/base/theme_provider.h"
  77 #include "ui/base/window_open_disposition.h"
  78 #include "ui/compositor/paint_recorder.h"
  79 #include "ui/gfx/animation/slide_animation.h"
  80 #include "ui/gfx/canvas.h"
  81 #include "ui/gfx/text_constants.h"
  82 #include "ui/gfx/text_elider.h"
  83 #include "ui/resources/grit/ui_resources.h"
  84 #include "ui/views/button_drag_utils.h"
  85 #include "ui/views/controls/button/label_button.h"
  86 #include "ui/views/controls/button/label_button_border.h"
  87 #include "ui/views/controls/button/menu_button.h"
  88 #include "ui/views/controls/label.h"
  89 #include "ui/views/drag_utils.h"
  90 #include "ui/views/metrics.h"
  91 #include "ui/views/view_constants.h"
  92 #include "ui/views/widget/tooltip_manager.h"
  93 #include "ui/views/widget/widget.h"
  94 #include "ui/views/window/non_client_view.h"
  95
  96 using base::UserMetricsAction;
  97 using bookmarks::BookmarkModel;
  98 using bookmarks::BookmarkNode;
  99 using bookmarks::BookmarkNodeData;
 100 using content::OpenURLParams;
 101 using content::PageNavigator;
 102 using content::Referrer;
 103 using ui::DropTargetEvent;
 104 using views::CustomButton;
 105 using views::LabelButtonBorder;
 106 using views::MenuButton;
 107 using views::View;
 108
 109 // How inset the bookmarks bar is when displayed on the new tab page.
 110 static const int kNewTabHorizontalPadding = 2;
 111
 112 // Maximum size of buttons on the bookmark bar.
 113 static const int kMaxButtonWidth = 150;
 114
 115 // The color gradient start value close to the edge of the divider.
 116 static const SkColor kEdgeDividerColor = SkColorSetRGB(222, 234, 248);
 117
 118 // The color gradient value for the middle of the divider.
 119 static const SkColor kMiddleDividerColor = SkColorSetRGB(194, 205, 212);
 120
 121 // Number of pixels the attached bookmark bar overlaps with the toolbar.
 122 static const int kToolbarAttachedBookmarkBarOverlap = 3;
 123
 124 // Margins around the content.
 125 static const int kDetachedTopMargin = 1;  // When attached, we use 0 and let the
 126                                           // toolbar above serve as the margin.
 127 static const int kBottomMargin = 2;
 128 static const int kLeftMargin = 1;
 129 static const int kRightMargin = 1;
 130
 131 // Padding between buttons.
 132 static const int kButtonPadding = 0;
 133
 134 // Color of the drop indicator.
 135 static const SkColor kDropIndicatorColor = SK_ColorBLACK;
 136
 137 // Width of the drop indicator.
 138 static const int kDropIndicatorWidth = 2;
 139
 140 // Distance between the bottom of the bar and the separator.
 141 static const int kSeparatorMargin = 1;
 142
 143 // Width of the separator between the recently bookmarked button and the
 144 // overflow indicator.
 145 static const int kSeparatorWidth = 4;
 146
 147 // Starting x-coordinate of the separator line within a separator.
 148 static const int kSeparatorStartX = 2;
 149
 150 // Left-padding for the instructional text.
 151 static const int kInstructionsPadding = 6;
 152
 153 // Tag for the 'Other bookmarks' button.
 154 static const int kOtherFolderButtonTag = 1;
 155
 156 // Tag for the 'Apps Shortcut' button.
 157 static const int kAppsShortcutButtonTag = 2;
 158
 159 // Preferred padding between text and edge.
 160 static const int kButtonPaddingHorizontal = 6;
 161 static const int kButtonPaddingVertical = 4;
 162
 163 // Tag for the 'Managed bookmarks' button.
 164 static const int kManagedFolderButtonTag = 3;
 165 // Tag for the 'Supervised bookmarks' button.
 166 static const int kSupervisedFolderButtonTag = 4;
 167
 168 #if !defined(OS_WIN)
 169 static const gfx::ElideBehavior kElideBehavior = gfx::FADE_TAIL;
 170 #else
 171 // Windows fade eliding causes text to darken; see http://crbug.com/388084
 172 static const gfx::ElideBehavior kElideBehavior = gfx::ELIDE_TAIL;
 173 #endif
 174
 175 namespace {
 176
 177 // To enable/disable BookmarkBar animations during testing. In production
 178 // animations are enabled by default.
 179 bool animations_enabled = true;
 180
 181 gfx::ImageSkia* GetImageSkiaNamed(int id) {
 182   return ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(id);
 183 }
 184
 185 // BookmarkButtonBase -----------------------------------------------
 186
 187 // Base class for buttons used on the bookmark bar.
 188
 189 class BookmarkButtonBase : public views::LabelButton {
 190  public:
 191   BookmarkButtonBase(views::ButtonListener* listener,
 192                      const base::string16& title)
 193       : LabelButton(listener, title) {
 194     SetElideBehavior(kElideBehavior);
 195     show_animation_.reset(new gfx::SlideAnimation(this));
 196     if (!animations_enabled) {
 197       // For some reason during testing the events generated by animating
 198       // throw off the test. So, don't animate while testing.
 199       show_animation_->Reset(1);
 200     } else {
 201       show_animation_->Show();
 202     }
 203   }
 204
 205   View* GetTooltipHandlerForPoint(const gfx::Point& point) override {
 206     return HitTestPoint(point) && CanProcessEventsWithinSubtree() ? this : NULL;
 207   }
 208
 209   scoped_ptr<LabelButtonBorder> CreateDefaultBorder() const override {
 210     scoped_ptr<LabelButtonBorder> border = LabelButton::CreateDefaultBorder();
 211     border->set_insets(gfx::Insets(kButtonPaddingVertical,
 212                                    kButtonPaddingHorizontal,
 213                                    kButtonPaddingVertical,
 214                                    kButtonPaddingHorizontal));
 215     return border.Pass();
 216   }
 217
 218   bool IsTriggerableEvent(const ui::Event& e) override {
 219     return e.type() == ui::ET_GESTURE_TAP ||
 220            e.type() == ui::ET_GESTURE_TAP_DOWN ||
 221            event_utils::IsPossibleDispositionEvent(e);
 222   }
 223
 224  private:
 225   scoped_ptr<gfx::SlideAnimation> show_animation_;
 226
 227   DISALLOW_COPY_AND_ASSIGN(BookmarkButtonBase);
 228 };
 229
 230 // BookmarkButton -------------------------------------------------------------
 231
 232 // Buttons used for the bookmarks on the bookmark bar.
 233
 234 class BookmarkButton : public BookmarkButtonBase {
 235  public:
 236   // The internal view class name.
 237   static const char kViewClassName[];
 238
 239   BookmarkButton(views::ButtonListener* listener,
 240                  const GURL& url,
 241                  const base::string16& title,
 242                  Profile* profile)
 243       : BookmarkButtonBase(listener, title),
 244         url_(url),
 245         profile_(profile) {
 246   }
 247
 248   bool GetTooltipText(const gfx::Point& p,
 249                       base::string16* tooltip) const override {
 250     gfx::Point location(p);
 251     ConvertPointToScreen(this, &location);
 252     *tooltip = BookmarkBarView::CreateToolTipForURLAndTitle(
 253         GetWidget(), location, url_, GetText(), profile_);
 254     return !tooltip->empty();
 255   }
 256
 257   const char* GetClassName() const override { return kViewClassName; }
 258
 259  private:
 260   const GURL& url_;
 261   Profile* profile_;
 262
 263   DISALLOW_COPY_AND_ASSIGN(BookmarkButton);
 264 };
 265
 266 // static
 267 const char BookmarkButton::kViewClassName[] = "BookmarkButton";
 268
 269 // ShortcutButton -------------------------------------------------------------
 270
 271 // Buttons used for the shortcuts on the bookmark bar.
 272
 273 class ShortcutButton : public BookmarkButtonBase {
 274  public:
 275   // The internal view class name.
 276   static const char kViewClassName[];
 277
 278   ShortcutButton(views::ButtonListener* listener,
 279                  const base::string16& title)
 280       : BookmarkButtonBase(listener, title) {
 281   }
 282
 283   const char* GetClassName() const override { return kViewClassName; }
 284
 285  private:
 286   DISALLOW_COPY_AND_ASSIGN(ShortcutButton);
 287 };
 288
 289 // static
 290 const char ShortcutButton::kViewClassName[] = "ShortcutButton";
 291
 292 // BookmarkFolderButton -------------------------------------------------------
 293
 294 // Buttons used for folders on the bookmark bar, including the 'other folders'
 295 // button.
 296 class BookmarkFolderButton : public views::MenuButton {
 297  public:
 298   BookmarkFolderButton(views::ButtonListener* listener,
 299                        const base::string16& title,
 300                        views::MenuButtonListener* menu_button_listener,
 301                        bool show_menu_marker)
 302       : MenuButton(listener, title, menu_button_listener, show_menu_marker) {
 303     SetElideBehavior(kElideBehavior);
 304     show_animation_.reset(new gfx::SlideAnimation(this));
 305     if (!animations_enabled) {
 306       // For some reason during testing the events generated by animating
 307       // throw off the test. So, don't animate while testing.
 308       show_animation_->Reset(1);
 309     } else {
 310       show_animation_->Show();
 311     }
 312   }
 313
 314   bool GetTooltipText(const gfx::Point& p,
 315                       base::string16* tooltip) const override {
 316     if (label()->GetPreferredSize().width() > label()->size().width())
 317       *tooltip = GetText();
 318     return !tooltip->empty();
 319   }
 320
 321   bool IsTriggerableEvent(const ui::Event& e) override {
 322     // Left clicks and taps should show the menu contents and right clicks
 323     // should show the context menu. They should not trigger the opening of
 324     // underlying urls.
 325     if (e.type() == ui::ET_GESTURE_TAP ||
 326         (e.IsMouseEvent() && (e.flags() &
 327              (ui::EF_LEFT_MOUSE_BUTTON | ui::EF_RIGHT_MOUSE_BUTTON))))
 328       return false;
 329
 330     if (e.IsMouseEvent())
 331       return ui::DispositionFromEventFlags(e.flags()) != CURRENT_TAB;
 332     return false;
 333   }
 334
 335  private:
 336   scoped_ptr<gfx::SlideAnimation> show_animation_;
 337
 338   DISALLOW_COPY_AND_ASSIGN(BookmarkFolderButton);
 339 };
 340
 341 // OverFlowButton (chevron) --------------------------------------------------
 342
 343 class OverFlowButton : public views::MenuButton {
 344  public:
 345   explicit OverFlowButton(BookmarkBarView* owner)
 346       : MenuButton(NULL, base::string16(), owner, false),
 347         owner_(owner) {}
 348
 349   bool OnMousePressed(const ui::MouseEvent& e) override {
 350     owner_->StopThrobbing(true);
 351     return views::MenuButton::OnMousePressed(e);
 352   }
 353
 354  private:
 355   BookmarkBarView* owner_;
 356
 357   DISALLOW_COPY_AND_ASSIGN(OverFlowButton);
 358 };
 359
 360 void RecordAppLaunch(Profile* profile, const GURL& url) {
 361   const extensions::Extension* extension =
 362       extensions::ExtensionRegistry::Get(profile)
 363           ->enabled_extensions().GetAppByURL(url);
 364   if (!extension)
 365     return;
 366
 367   extensions::RecordAppLaunchType(extension_misc::APP_LAUNCH_BOOKMARK_BAR,
 368                                   extension->GetType());
 369 }
 370
 371 }  // namespace
 372
 373 // DropLocation ---------------------------------------------------------------
 374
 375 struct BookmarkBarView::DropLocation {
 376   DropLocation()
 377       : index(-1),
 378         operation(ui::DragDropTypes::DRAG_NONE),
 379         on(false),
 380         button_type(DROP_BOOKMARK) {
 381   }
 382
 383   bool Equals(const DropLocation& other) {
 384     return ((other.index == index) && (other.on == on) &&
 385             (other.button_type == button_type));
 386   }
 387
 388   // Index into the model the drop is over. This is relative to the root node.
 389   int index;
 390
 391   // Drop constants.
 392   int operation;
 393
 394   // If true, the user is dropping on a folder.
 395   bool on;
 396
 397   // Type of button.
 398   DropButtonType button_type;
 399 };
 400
 401 // DropInfo -------------------------------------------------------------------
 402
 403 // Tracks drops on the BookmarkBarView.
 404
 405 struct BookmarkBarView::DropInfo {
 406   DropInfo()
 407       : valid(false),
 408         is_menu_showing(false),
 409         x(0),
 410         y(0) {
 411   }
 412
 413   // Whether the data is valid.
 414   bool valid;
 415
 416   // If true, the menu is being shown.
 417   bool is_menu_showing;
 418
 419   // Coordinates of the drag (in terms of the BookmarkBarView).
 420   int x;
 421   int y;
 422
 423   // DropData for the drop.
 424   BookmarkNodeData data;
 425
 426   DropLocation location;
 427 };
 428
 429 // ButtonSeparatorView  --------------------------------------------------------
 430
 431 // Paints a themed gradient divider at location |x|. |height| is the full
 432 // height of the view you want to paint the divider into, not the height of
 433 // the divider. The height of the divider will become:
 434 //   |height| - 2 * |vertical_padding|.
 435 // The color of the divider is a gradient starting with |top_color| at the
 436 // top, and changing into |middle_color| and then over to |bottom_color| as
 437 // you go further down.
 438 void PaintVerticalDivider(gfx::Canvas* canvas,
 439                           int x,
 440                           int height,
 441                           int vertical_padding,
 442                           SkColor top_color,
 443                           SkColor middle_color,
 444                           SkColor bottom_color) {
 445   // Draw the upper half of the divider.
 446   SkPaint paint;
 447   skia::RefPtr<SkShader> shader = gfx::CreateGradientShader(
 448       vertical_padding + 1, height / 2, top_color, middle_color);
 449   paint.setShader(shader.get());
 450   SkRect rc = { SkIntToScalar(x),
 451                 SkIntToScalar(vertical_padding + 1),
 452                 SkIntToScalar(x + 1),
 453                 SkIntToScalar(height / 2) };
 454   canvas->sk_canvas()->drawRect(rc, paint);
 455
 456   // Draw the lower half of the divider.
 457   SkPaint paint_down;
 458   shader = gfx::CreateGradientShader(
 459       height / 2, height - vertical_padding, middle_color, bottom_color);
 460   paint_down.setShader(shader.get());
 461   SkRect rc_down = { SkIntToScalar(x),
 462                      SkIntToScalar(height / 2),
 463                      SkIntToScalar(x + 1),
 464                      SkIntToScalar(height - vertical_padding) };
 465   canvas->sk_canvas()->drawRect(rc_down, paint_down);
 466 }
 467
 468 class BookmarkBarView::ButtonSeparatorView : public views::View {
 469  public:
 470   ButtonSeparatorView() {}
 471   ~ButtonSeparatorView() override {}
 472
 473   void OnPaint(gfx::Canvas* canvas) override {
 474     PaintVerticalDivider(
 475         canvas,
 476         kSeparatorStartX,
 477         height(),
 478         1,
 479         kEdgeDividerColor,
 480         kMiddleDividerColor,
 481         GetThemeProvider()->GetColor(ThemeProperties::COLOR_TOOLBAR));
 482   }
 483
 484   gfx::Size GetPreferredSize() const override {
 485     // We get the full height of the bookmark bar, so that the height returned
 486     // here doesn't matter.
 487     return gfx::Size(kSeparatorWidth, 1);
 488   }
 489
 490   void GetAccessibleState(ui::AXViewState* state) override {
 491     state->name = l10n_util::GetStringUTF16(IDS_ACCNAME_SEPARATOR);
 492     state->role = ui::AX_ROLE_SPLITTER;
 493   }
 494
 495  private:
 496   DISALLOW_COPY_AND_ASSIGN(ButtonSeparatorView);
 497 };
 498
 499 // BookmarkBarView ------------------------------------------------------------
 500
 501 // static
 502 const char BookmarkBarView::kViewClassName[] = "BookmarkBarView";
 503
 504 BookmarkBarView::BookmarkBarView(Browser* browser, BrowserView* browser_view)
 505     : page_navigator_(NULL),
 506       managed_(NULL),
 507       bookmark_menu_(NULL),
 508       bookmark_drop_menu_(NULL),
 509       other_bookmarks_button_(NULL),
 510       managed_bookmarks_button_(NULL),
 511       supervised_bookmarks_button_(NULL),
 512       apps_page_shortcut_(NULL),
 513       overflow_button_(NULL),
 514       instructions_(NULL),
 515       bookmarks_separator_view_(NULL),
 516       browser_(browser),
 517       browser_view_(browser_view),
 518       infobar_visible_(false),
 519       throbbing_view_(NULL),
 520       bookmark_bar_state_(BookmarkBar::SHOW),
 521       animating_detached_(false),
 522       show_folder_method_factory_(this) {
 523   set_id(VIEW_ID_BOOKMARK_BAR);
 524   Init();
 525
 526   size_animation_->Reset(1);
 527 }
 528
 529 BookmarkBarView::~BookmarkBarView() {
 530   if (model_)
 531     model_->RemoveObserver(this);
 532
 533   // It's possible for the menu to outlive us, reset the observer to make sure
 534   // it doesn't have a reference to us.
 535   if (bookmark_menu_) {
 536     bookmark_menu_->set_observer(NULL);
 537     bookmark_menu_->SetPageNavigator(NULL);
 538     bookmark_menu_->clear_bookmark_bar();
 539   }
 540   if (context_menu_.get())
 541     context_menu_->SetPageNavigator(NULL);
 542
 543   StopShowFolderDropMenuTimer();
 544 }
 545
 546 // static
 547 void BookmarkBarView::DisableAnimationsForTesting(bool disabled) {
 548   animations_enabled = !disabled;
 549 }
 550
 551 void BookmarkBarView::AddObserver(BookmarkBarViewObserver* observer) {
 552   observers_.AddObserver(observer);
 553 }
 554
 555 void BookmarkBarView::RemoveObserver(BookmarkBarViewObserver* observer) {
 556   observers_.RemoveObserver(observer);
 557 }
 558
 559 void BookmarkBarView::SetPageNavigator(PageNavigator* navigator) {
 560   page_navigator_ = navigator;
 561   if (bookmark_menu_)
 562     bookmark_menu_->SetPageNavigator(navigator);
 563   if (context_menu_.get())
 564     context_menu_->SetPageNavigator(navigator);
 565 }
 566
 567 void BookmarkBarView::SetBookmarkBarState(
 568     BookmarkBar::State state,
 569     BookmarkBar::AnimateChangeType animate_type) {
 570   if (animate_type == BookmarkBar::ANIMATE_STATE_CHANGE &&
 571       animations_enabled) {
 572     animating_detached_ = (state == BookmarkBar::DETACHED ||
 573                            bookmark_bar_state_ == BookmarkBar::DETACHED);
 574     if (state == BookmarkBar::SHOW)
 575       size_animation_->Show();
 576     else
 577       size_animation_->Hide();
 578   } else {
 579     size_animation_->Reset(state == BookmarkBar::SHOW ? 1 : 0);
 580   }
 581   bookmark_bar_state_ = state;
 582 }
 583
 584 int BookmarkBarView::GetFullyDetachedToolbarOverlap() const {
 585   if (!infobar_visible_ && browser_->window()->IsFullscreen()) {
 586     // There is no client edge to overlap when detached in fullscreen with no
 587     // infobars visible.
 588     return 0;
 589   }
 590   return views::NonClientFrameView::kClientEdgeThickness;
 591 }
 592
 593 bool BookmarkBarView::is_animating() {
 594   return size_animation_->is_animating();
 595 }
 596
 597 const BookmarkNode* BookmarkBarView::GetNodeForButtonAtModelIndex(
 598     const gfx::Point& loc,
 599     int* model_start_index) {
 600   *model_start_index = 0;
 601
 602   if (loc.x() < 0 || loc.x() >= width() || loc.y() < 0 || loc.y() >= height())
 603     return NULL;
 604
 605   gfx::Point adjusted_loc(GetMirroredXInView(loc.x()), loc.y());
 606
 607   // Check the managed button first.
 608   if (managed_bookmarks_button_->visible() &&
 609       managed_bookmarks_button_->bounds().Contains(adjusted_loc)) {
 610     return managed_->managed_node();
 611   }
 612
 613   // Then check the supervised button.
 614   if (supervised_bookmarks_button_->visible() &&
 615       supervised_bookmarks_button_->bounds().Contains(adjusted_loc)) {
 616     return managed_->supervised_node();
 617   }
 618
 619   // Then check the bookmark buttons.
 620   for (int i = 0; i < GetBookmarkButtonCount(); ++i) {
 621     views::View* child = child_at(i);
 622     if (!child->visible())
 623       break;
 624     if (child->bounds().Contains(adjusted_loc))
 625       return model_->bookmark_bar_node()->GetChild(i);
 626   }
 627
 628   // Then the overflow button.
 629   if (overflow_button_->visible() &&
 630       overflow_button_->bounds().Contains(adjusted_loc)) {
 631     *model_start_index = GetFirstHiddenNodeIndex();
 632     return model_->bookmark_bar_node();
 633   }
 634
 635   // And finally the other folder.
 636   if (other_bookmarks_button_->visible() &&
 637       other_bookmarks_button_->bounds().Contains(adjusted_loc)) {
 638     return model_->other_node();
 639   }
 640
 641   return NULL;
 642 }
 643
 644 views::MenuButton* BookmarkBarView::GetMenuButtonForNode(
 645     const BookmarkNode* node) {
 646   if (node == managed_->managed_node())
 647     return managed_bookmarks_button_;
 648   if (node == managed_->supervised_node())
 649     return supervised_bookmarks_button_;
 650   if (node == model_->other_node())
 651     return other_bookmarks_button_;
 652   if (node == model_->bookmark_bar_node())
 653     return overflow_button_;
 654   int index = model_->bookmark_bar_node()->GetIndexOf(node);
 655   if (index == -1 || !node->is_folder())
 656     return NULL;
 657   return static_cast<views::MenuButton*>(child_at(index));
 658 }
 659
 660 void BookmarkBarView::GetAnchorPositionForButton(
 661     views::MenuButton* button,
 662     views::MenuAnchorPosition* anchor) {
 663   if (button == other_bookmarks_button_ || button == overflow_button_)
 664     *anchor = views::MENU_ANCHOR_TOPRIGHT;
 665   else
 666     *anchor = views::MENU_ANCHOR_TOPLEFT;
 667 }
 668
 669 views::MenuItemView* BookmarkBarView::GetMenu() {
 670   return bookmark_menu_ ? bookmark_menu_->menu() : NULL;
 671 }
 672
 673 views::MenuItemView* BookmarkBarView::GetContextMenu() {
 674   return bookmark_menu_ ? bookmark_menu_->context_menu() : NULL;
 675 }
 676
 677 views::MenuItemView* BookmarkBarView::GetDropMenu() {
 678   return bookmark_drop_menu_ ? bookmark_drop_menu_->menu() : NULL;
 679 }
 680
 681 void BookmarkBarView::StopThrobbing(bool immediate) {
 682   if (!throbbing_view_)
 683     return;
 684
 685   // If not immediate, cycle through 2 more complete cycles.
 686   throbbing_view_->StartThrobbing(immediate ? 0 : 4);
 687   throbbing_view_ = NULL;
 688 }
 689
 690 // static
 691 base::string16 BookmarkBarView::CreateToolTipForURLAndTitle(
 692     const views::Widget* widget,
 693     const gfx::Point& screen_loc,
 694     const GURL& url,
 695     const base::string16& title,
 696     Profile* profile) {
 697   const views::TooltipManager* tooltip_manager = widget->GetTooltipManager();
 698   int max_width = tooltip_manager->GetMaxWidth(screen_loc,
 699                                                widget->GetNativeView());
 700   const gfx::FontList tt_fonts = tooltip_manager->GetFontList();
 701   base::string16 result;
 702
 703   // First the title.
 704   if (!title.empty()) {
 705     base::string16 localized_title = title;
 706     base::i18n::AdjustStringForLocaleDirection(&localized_title);
 707     result.append(gfx::ElideText(localized_title, tt_fonts, max_width,
 708                                  gfx::ELIDE_TAIL));
 709   }
 710
 711   // Only show the URL if the url and title differ.
 712   if (title != base::UTF8ToUTF16(url.spec())) {
 713     if (!result.empty())
 714       result.push_back('\n');
 715
 716     // We need to explicitly specify the directionality of the URL's text to
 717     // make sure it is treated as an LTR string when the context is RTL. For
 718     // example, the URL "http://www.yahoo.com/" appears as
 719     // "/http://www.yahoo.com" when rendered, as is, in an RTL context since
 720     // the Unicode BiDi algorithm puts certain characters on the left by
 721     // default.
 722     std::string languages = profile->GetPrefs()->GetString(
 723         prefs::kAcceptLanguages);
 724     base::string16 elided_url(
 725         url_formatter::ElideUrl(url, tt_fonts, max_width, languages));
 726     elided_url = base::i18n::GetDisplayStringInLTRDirectionality(elided_url);
 727     result.append(elided_url);
 728   }
 729   return result;
 730 }
 731
 732 bool BookmarkBarView::IsDetached() const {
 733   return (bookmark_bar_state_ == BookmarkBar::DETACHED) ||
 734       (animating_detached_ && size_animation_->is_animating());
 735 }
 736
 737 double BookmarkBarView::GetAnimationValue() const {
 738   return size_animation_->GetCurrentValue();
 739 }
 740
 741 int BookmarkBarView::GetToolbarOverlap() const {
 742   int attached_overlap = kToolbarAttachedBookmarkBarOverlap +
 743       views::NonClientFrameView::kClientEdgeThickness;
 744   if (!IsDetached())
 745     return attached_overlap;
 746
 747   int detached_overlap = GetFullyDetachedToolbarOverlap();
 748
 749   // Do not animate the overlap when the infobar is above us (i.e. when we're
 750   // detached), since drawing over the infobar looks weird.
 751   if (infobar_visible_)
 752     return detached_overlap;
 753
 754   // When detached with no infobar, animate the overlap between the attached and
 755   // detached states.
 756   return detached_overlap + static_cast<int>(
 757       (attached_overlap - detached_overlap) *
 758           size_animation_->GetCurrentValue());
 759 }
 760
 761 gfx::Size BookmarkBarView::GetPreferredSize() const {
 762   gfx::Size prefsize;
 763   if (IsDetached()) {
 764     prefsize.set_height(
 765         chrome::kBookmarkBarHeight +
 766         static_cast<int>(
 767             (chrome::kNTPBookmarkBarHeight - chrome::kBookmarkBarHeight) *
 768             (1 - size_animation_->GetCurrentValue())));
 769   } else {
 770     prefsize.set_height(static_cast<int>(chrome::kBookmarkBarHeight *
 771                                          size_animation_->GetCurrentValue()));
 772   }
 773   return prefsize;
 774 }
 775
 776 bool BookmarkBarView::CanProcessEventsWithinSubtree() const {
 777   // If the bookmark bar is attached and the omnibox popup is open (on top of
 778   // the bar), prevent events from targeting the bookmark bar or any of its
 779   // descendants. This will prevent hovers/clicks just above the omnibox popup
 780   // from activating the top few pixels of items on the bookmark bar.
 781   if (!IsDetached() && browser_view_ &&
 782       browser_view_->GetLocationBar()->GetOmniboxView()->model()->
 783           popup_model()->IsOpen()) {
 784     return false;
 785   }
 786   return true;
 787 }
 788
 789 gfx::Size BookmarkBarView::GetMinimumSize() const {
 790   // The minimum width of the bookmark bar should at least contain the overflow
 791   // button, by which one can access all the Bookmark Bar items, and the "Other
 792   // Bookmarks" folder, along with appropriate margins and button padding.
 793   // It should also contain the Managed and/or Supervised Bookmarks folders,
 794   // if they are visible.
 795   int width = kLeftMargin;
 796
 797   int height = chrome::kBookmarkBarHeight;
 798   if (IsDetached()) {
 799     double current_state = 1 - size_animation_->GetCurrentValue();
 800     width += 2 * static_cast<int>(kNewTabHorizontalPadding * current_state);
 801     height += static_cast<int>(
 802         (chrome::kNTPBookmarkBarHeight - chrome::kBookmarkBarHeight) *
 803             current_state);
 804   }
 805
 806   if (managed_bookmarks_button_->visible()) {
 807     gfx::Size size = managed_bookmarks_button_->GetPreferredSize();
 808     width += size.width() + kButtonPadding;
 809   }
 810   if (supervised_bookmarks_button_->visible()) {
 811     gfx::Size size = supervised_bookmarks_button_->GetPreferredSize();
 812     width += size.width() + kButtonPadding;
 813   }
 814   if (other_bookmarks_button_->visible()) {
 815     gfx::Size size = other_bookmarks_button_->GetPreferredSize();
 816     width += size.width() + kButtonPadding;
 817   }
 818   if (overflow_button_->visible()) {
 819     gfx::Size size = overflow_button_->GetPreferredSize();
 820     width += size.width() + kButtonPadding;
 821   }
 822   if (bookmarks_separator_view_->visible()) {
 823     gfx::Size size = bookmarks_separator_view_->GetPreferredSize();
 824     width += size.width();
 825   }
 826   if (apps_page_shortcut_->visible()) {
 827     gfx::Size size = apps_page_shortcut_->GetPreferredSize();
 828     width += size.width() + kButtonPadding;
 829   }
 830
 831   return gfx::Size(width, height);
 832 }
 833
 834 void BookmarkBarView::Layout() {
 835   // Skip layout during destruction, when no model exists.
 836   if (!model_)
 837     return;
 838
 839   int x = kLeftMargin;
 840   int top_margin = IsDetached() ? kDetachedTopMargin : 0;
 841   int y = top_margin;
 842   int width = View::width() - kRightMargin - kLeftMargin;
 843   int height = chrome::kBookmarkBarHeight - kBottomMargin;
 844   int separator_margin = kSeparatorMargin;
 845
 846   if (IsDetached()) {
 847     double current_state = 1 - size_animation_->GetCurrentValue();
 848     x += static_cast<int>(kNewTabHorizontalPadding * current_state);
 849     y += (View::height() - chrome::kBookmarkBarHeight) / 2;
 850     width -= static_cast<int>(kNewTabHorizontalPadding * current_state);
 851     separator_margin -= static_cast<int>(kSeparatorMargin * current_state);
 852   } else {
 853     // For the attached appearance, pin the content to the bottom of the bar
 854     // when animating in/out, as shrinking its height instead looks weird.  This
 855     // also matches how we layout infobars.
 856     y += View::height() - chrome::kBookmarkBarHeight;
 857   }
 858
 859   gfx::Size other_bookmarks_pref = other_bookmarks_button_->visible() ?
 860       other_bookmarks_button_->GetPreferredSize() : gfx::Size();
 861   gfx::Size overflow_pref = overflow_button_->GetPreferredSize();
 862   gfx::Size bookmarks_separator_pref =
 863       bookmarks_separator_view_->GetPreferredSize();
 864   gfx::Size apps_page_shortcut_pref = apps_page_shortcut_->visible() ?
 865       apps_page_shortcut_->GetPreferredSize() : gfx::Size();
 866
 867   int max_x = width - overflow_pref.width() - kButtonPadding -
 868       bookmarks_separator_pref.width();
 869   if (other_bookmarks_button_->visible())
 870     max_x -= other_bookmarks_pref.width() + kButtonPadding;
 871
 872   // Start with the apps page shortcut button.
 873   if (apps_page_shortcut_->visible()) {
 874     apps_page_shortcut_->SetBounds(x, y, apps_page_shortcut_pref.width(),
 875                                    height);
 876     x += apps_page_shortcut_pref.width() + kButtonPadding;
 877   }
 878
 879   // Then comes the managed bookmarks folder, if visible.
 880   if (managed_bookmarks_button_->visible()) {
 881     gfx::Size managed_bookmarks_pref =
 882         managed_bookmarks_button_->GetPreferredSize();
 883     managed_bookmarks_button_->SetBounds(x, y, managed_bookmarks_pref.width(),
 884                                          height);
 885     x += managed_bookmarks_pref.width() + kButtonPadding;
 886   }
 887
 888   // Then the supervised bookmarks folder, if visible.
 889   if (supervised_bookmarks_button_->visible()) {
 890     gfx::Size supervised_bookmarks_pref =
 891         supervised_bookmarks_button_->GetPreferredSize();
 892     supervised_bookmarks_button_->SetBounds(
 893         x, y, supervised_bookmarks_pref.width(), height);
 894     x += supervised_bookmarks_pref.width() + kButtonPadding;
 895   }
 896
 897   const bool show_instructions =
 898       model_ && model_->loaded() &&
 899       model_->bookmark_bar_node()->child_count() == 0;
 900   instructions_->SetVisible(show_instructions);
 901   if (show_instructions) {
 902     gfx::Size pref = instructions_->GetPreferredSize();
 903     instructions_->SetBounds(
 904         x + kInstructionsPadding, y,
 905         std::min(static_cast<int>(pref.width()),
 906                  max_x - x),
 907         height);
 908   } else {
 909     bool last_visible = x < max_x;
 910     int button_count = GetBookmarkButtonCount();
 911     for (int i = 0; i <= button_count; ++i) {
 912       if (i == button_count) {
 913         // Add another button if there is room for it (and there is another
 914         // button to load).
 915         if (!last_visible || !model_->loaded() ||
 916             model_->bookmark_bar_node()->child_count() <= button_count)
 917           break;
 918         AddChildViewAt(
 919             CreateBookmarkButton(model_->bookmark_bar_node()->GetChild(i)), i);
 920         button_count = GetBookmarkButtonCount();
 921       }
 922       views::View* child = child_at(i);
 923       gfx::Size pref = child->GetPreferredSize();
 924       int next_x = x + pref.width() + kButtonPadding;
 925       last_visible = next_x < max_x;
 926       child->SetVisible(last_visible);
 927       // Only need to set bounds if the view is actually visible.
 928       if (last_visible)
 929         child->SetBounds(x, y, pref.width(), height);
 930       x = next_x;
 931     }
 932   }
 933
 934   // Layout the right side buttons.
 935   x = max_x + kButtonPadding;
 936
 937   // The overflow button.
 938   overflow_button_->SetBounds(x, y, overflow_pref.width(), height);
 939   const bool show_overflow =
 940       model_->loaded() &&
 941       (model_->bookmark_bar_node()->child_count() > GetBookmarkButtonCount() ||
 942        (GetBookmarkButtonCount() > 0 &&
 943         !GetBookmarkButton(GetBookmarkButtonCount() - 1)->visible()));
 944   overflow_button_->SetVisible(show_overflow);
 945   x += overflow_pref.width();
 946
 947   // Separator.
 948   if (bookmarks_separator_view_->visible()) {
 949     bookmarks_separator_view_->SetBounds(x,
 950                                          y - top_margin,
 951                                          bookmarks_separator_pref.width(),
 952                                          height + top_margin + kBottomMargin -
 953                                          separator_margin);
 954
 955     x += bookmarks_separator_pref.width();
 956   }
 957
 958   // The "Other Bookmarks" button.
 959   if (other_bookmarks_button_->visible()) {
 960     other_bookmarks_button_->SetBounds(x, y, other_bookmarks_pref.width(),
 961                                        height);
 962     x += other_bookmarks_pref.width() + kButtonPadding;
 963   }
 964 }
 965
 966 void BookmarkBarView::ViewHierarchyChanged(
 967     const ViewHierarchyChangedDetails& details) {
 968   if (details.is_add && details.child == this) {
 969     // We may get inserted into a hierarchy with a profile - this typically
 970     // occurs when the bar's contents get populated fast enough that the
 971     // buttons are created before the bar is attached to a frame.
 972     UpdateColors();
 973
 974     if (height() > 0) {
 975       // We only layout while parented. When we become parented, if our bounds
 976       // haven't changed, OnBoundsChanged() won't get invoked and we won't
 977       // layout. Therefore we always force a layout when added.
 978       Layout();
 979     }
 980   }
 981 }
 982
 983 void BookmarkBarView::PaintChildren(const ui::PaintContext& context) {
 984   View::PaintChildren(context);
 985
 986   if (drop_info_.get() && drop_info_->valid &&
 987       drop_info_->location.operation != 0 && drop_info_->location.index != -1 &&
 988       drop_info_->location.button_type != DROP_OVERFLOW &&
 989       !drop_info_->location.on) {
 990     int index = drop_info_->location.index;
 991     DCHECK(index <= GetBookmarkButtonCount());
 992     int x = 0;
 993     int y = 0;
 994     int h = height();
 995     if (index == GetBookmarkButtonCount()) {
 996       if (index == 0) {
 997         x = kLeftMargin;
 998       } else {
 999         x = GetBookmarkButton(index - 1)->x() +
1000             GetBookmarkButton(index - 1)->width();
1001       }
1002     } else {
1003       x = GetBookmarkButton(index)->x();
1004     }
1005     if (GetBookmarkButtonCount() > 0 && GetBookmarkButton(0)->visible()) {
1006       y = GetBookmarkButton(0)->y();
1007       h = GetBookmarkButton(0)->height();
1008     }
1009
1010     // Since the drop indicator is painted directly onto the canvas, we must
1011     // make sure it is painted in the right location if the locale is RTL.
1012     gfx::Rect indicator_bounds(x - kDropIndicatorWidth / 2,
1013                                y,
1014                                kDropIndicatorWidth,
1015                                h);
1016     indicator_bounds.set_x(GetMirroredXForRect(indicator_bounds));
1017
1018     ui::PaintRecorder recorder(context, size());
1019     // TODO(sky/glen): make me pretty!
1020     recorder.canvas()->FillRect(indicator_bounds, kDropIndicatorColor);
1021   }
1022 }
1023
1024 bool BookmarkBarView::GetDropFormats(
1025       int* formats,
1026       std::set<ui::OSExchangeData::CustomFormat>* custom_formats) {
1027   if (!model_ || !model_->loaded())
1028     return false;
1029   *formats = ui::OSExchangeData::URL;
1030   custom_formats->insert(BookmarkNodeData::GetBookmarkFormatType());
1031   return true;
1032 }
1033
1034 bool BookmarkBarView::AreDropTypesRequired() {
1035   return true;
1036 }
1037
1038 bool BookmarkBarView::CanDrop(const ui::OSExchangeData& data) {
1039   if (!model_ || !model_->loaded() ||
1040       !browser_->profile()->GetPrefs()->GetBoolean(
1041           bookmarks::prefs::kEditBookmarksEnabled))
1042     return false;
1043
1044   if (!drop_info_.get())
1045     drop_info_.reset(new DropInfo());
1046
1047   // Only accept drops of 1 node, which is the case for all data dragged from
1048   // bookmark bar and menus.
1049   return drop_info_->data.Read(data) && drop_info_->data.size() == 1;
1050 }
1051
1052 void BookmarkBarView::OnDragEntered(const DropTargetEvent& event) {
1053 }
1054
1055 int BookmarkBarView::OnDragUpdated(const DropTargetEvent& event) {
1056   if (!drop_info_.get())
1057     return 0;
1058
1059   if (drop_info_->valid &&
1060       (drop_info_->x == event.x() && drop_info_->y == event.y())) {
1061     // The location of the mouse didn't change, return the last operation.
1062     return drop_info_->location.operation;
1063   }
1064
1065   drop_info_->x = event.x();
1066   drop_info_->y = event.y();
1067
1068   DropLocation location;
1069   CalculateDropLocation(event, drop_info_->data, &location);
1070
1071   if (drop_info_->valid && drop_info_->location.Equals(location)) {
1072     // The position we're going to drop didn't change, return the last drag
1073     // operation we calculated. Copy of the operation in case it changed.
1074     drop_info_->location.operation = location.operation;
1075     return drop_info_->location.operation;
1076   }
1077
1078   StopShowFolderDropMenuTimer();
1079
1080   // TODO(sky): Optimize paint region.
1081   SchedulePaint();
1082
1083   drop_info_->location = location;
1084   drop_info_->valid = true;
1085
1086   if (drop_info_->is_menu_showing) {
1087     if (bookmark_drop_menu_)
1088       bookmark_drop_menu_->Cancel();
1089     drop_info_->is_menu_showing = false;
1090   }
1091
1092   if (location.on || location.button_type == DROP_OVERFLOW ||
1093       location.button_type == DROP_OTHER_FOLDER) {
1094     const BookmarkNode* node;
1095     if (location.button_type == DROP_OTHER_FOLDER)
1096       node = model_->other_node();
1097     else if (location.button_type == DROP_OVERFLOW)
1098       node = model_->bookmark_bar_node();
1099     else
1100       node = model_->bookmark_bar_node()->GetChild(location.index);
1101     StartShowFolderDropMenuTimer(node);
1102   }
1103
1104   return drop_info_->location.operation;
1105 }
1106
1107 void BookmarkBarView::OnDragExited() {
1108   StopShowFolderDropMenuTimer();
1109
1110   // NOTE: we don't hide the menu on exit as it's possible the user moved the
1111   // mouse over the menu, which triggers an exit on us.
1112
1113   drop_info_->valid = false;
1114
1115   if (drop_info_->location.index != -1) {
1116     // TODO(sky): optimize the paint region.
1117     SchedulePaint();
1118   }
1119   drop_info_.reset();
1120 }
1121
1122 int BookmarkBarView::OnPerformDrop(const DropTargetEvent& event) {
1123   StopShowFolderDropMenuTimer();
1124
1125   if (bookmark_drop_menu_)
1126     bookmark_drop_menu_->Cancel();
1127
1128   if (!drop_info_.get() || !drop_info_->location.operation)
1129     return ui::DragDropTypes::DRAG_NONE;
1130
1131   const BookmarkNode* root =
1132       (drop_info_->location.button_type == DROP_OTHER_FOLDER) ?
1133       model_->other_node() : model_->bookmark_bar_node();
1134   int index = drop_info_->location.index;
1135
1136   if (index != -1) {
1137     // TODO(sky): optimize the SchedulePaint region.
1138     SchedulePaint();
1139   }
1140   const BookmarkNode* parent_node;
1141   if (drop_info_->location.button_type == DROP_OTHER_FOLDER) {
1142     parent_node = root;
1143     index = parent_node->child_count();
1144   } else if (drop_info_->location.on) {
1145     parent_node = root->GetChild(index);
1146     index = parent_node->child_count();
1147   } else {
1148     parent_node = root;
1149   }
1150   const BookmarkNodeData data = drop_info_->data;
1151   DCHECK(data.is_valid());
1152   bool copy = drop_info_->location.operation == ui::DragDropTypes::DRAG_COPY;
1153   drop_info_.reset();
1154   return chrome::DropBookmarks(
1155       browser_->profile(), data, parent_node, index, copy);
1156 }
1157
1158 void BookmarkBarView::OnThemeChanged() {
1159   UpdateColors();
1160 }
1161
1162 const char* BookmarkBarView::GetClassName() const {
1163   return kViewClassName;
1164 }
1165
1166 void BookmarkBarView::SetVisible(bool v) {
1167   if (v == visible())
1168     return;
1169
1170   View::SetVisible(v);
1171   FOR_EACH_OBSERVER(BookmarkBarViewObserver, observers_,
1172                     OnBookmarkBarVisibilityChanged());
1173 }
1174
1175 void BookmarkBarView::GetAccessibleState(ui::AXViewState* state) {
1176   state->role = ui::AX_ROLE_TOOLBAR;
1177   state->name = l10n_util::GetStringUTF16(IDS_ACCNAME_BOOKMARKS);
1178 }
1179
1180 void BookmarkBarView::AnimationProgressed(const gfx::Animation* animation) {
1181   // |browser_view_| can be NULL during tests.
1182   if (browser_view_)
1183     browser_view_->ToolbarSizeChanged(true);
1184 }
1185
1186 void BookmarkBarView::AnimationEnded(const gfx::Animation* animation) {
1187   // |browser_view_| can be NULL during tests.
1188   if (browser_view_) {
1189     browser_view_->ToolbarSizeChanged(false);
1190     SchedulePaint();
1191   }
1192 }
1193
1194 void BookmarkBarView::BookmarkMenuControllerDeleted(
1195     BookmarkMenuController* controller) {
1196   if (controller == bookmark_menu_)
1197     bookmark_menu_ = NULL;
1198   else if (controller == bookmark_drop_menu_)
1199     bookmark_drop_menu_ = NULL;
1200 }
1201
1202 void BookmarkBarView::OnImportBookmarks() {
1203   int64 install_time = g_browser_process->metrics_service()->GetInstallDate();
1204   int64 time_from_install = base::Time::Now().ToTimeT() - install_time;
1205   if (bookmark_bar_state_ == BookmarkBar::SHOW) {
1206     UMA_HISTOGRAM_COUNTS("Import.ShowDialog.FromBookmarkBarView",
1207                          time_from_install);
1208   } else if (bookmark_bar_state_ == BookmarkBar::DETACHED) {
1209     UMA_HISTOGRAM_COUNTS("Import.ShowDialog.FromFloatingBookmarkBarView",
1210                          time_from_install);
1211   }
1212
1213   chrome::ShowImportDialog(browser_);
1214 }
1215
1216 void BookmarkBarView::OnBookmarkBubbleShown(const BookmarkNode* node) {
1217   StopThrobbing(true);
1218   if (!node)
1219     return;  // Generally shouldn't happen.
1220   StartThrobbing(node, false);
1221 }
1222
1223 void BookmarkBarView::OnBookmarkBubbleHidden() {
1224   StopThrobbing(false);
1225 }
1226
1227 void BookmarkBarView::BookmarkModelLoaded(BookmarkModel* model,
1228                                           bool ids_reassigned) {
1229   // There should be no buttons. If non-zero it means Load was invoked more than
1230   // once, or we didn't properly clear things. Either of which shouldn't happen.
1231   // The actual bookmark buttons are added from Layout().
1232   DCHECK_EQ(0, GetBookmarkButtonCount());
1233   DCHECK(model->other_node());
1234   other_bookmarks_button_->SetAccessibleName(model->other_node()->GetTitle());
1235   other_bookmarks_button_->SetText(model->other_node()->GetTitle());
1236   managed_bookmarks_button_->SetAccessibleName(
1237       managed_->managed_node()->GetTitle());
1238   managed_bookmarks_button_->SetText(managed_->managed_node()->GetTitle());
1239   supervised_bookmarks_button_->SetAccessibleName(
1240       managed_->supervised_node()->GetTitle());
1241   supervised_bookmarks_button_->SetText(
1242       managed_->supervised_node()->GetTitle());
1243   UpdateColors();
1244   UpdateOtherAndManagedButtonsVisibility();
1245   other_bookmarks_button_->SetEnabled(true);
1246   managed_bookmarks_button_->SetEnabled(true);
1247   supervised_bookmarks_button_->SetEnabled(true);
1248   LayoutAndPaint();
1249 }
1250
1251 void BookmarkBarView::BookmarkModelBeingDeleted(BookmarkModel* model) {
1252   NOTREACHED();
1253   // Do minimal cleanup, presumably we'll be deleted shortly.
1254   model_->RemoveObserver(this);
1255   model_ = NULL;
1256 }
1257
1258 void BookmarkBarView::BookmarkNodeMoved(BookmarkModel* model,
1259                                         const BookmarkNode* old_parent,
1260                                         int old_index,
1261                                         const BookmarkNode* new_parent,
1262                                         int new_index) {
1263   bool was_throbbing = throbbing_view_ &&
1264       throbbing_view_ == DetermineViewToThrobFromRemove(old_parent, old_index);
1265   if (was_throbbing)
1266     throbbing_view_->StopThrobbing();
1267   bool needs_layout_and_paint =
1268       BookmarkNodeRemovedImpl(model, old_parent, old_index);
1269   if (BookmarkNodeAddedImpl(model, new_parent, new_index))
1270     needs_layout_and_paint = true;
1271   if (was_throbbing && new_index < GetBookmarkButtonCount())
1272     StartThrobbing(new_parent->GetChild(new_index), false);
1273   if (needs_layout_and_paint)
1274     LayoutAndPaint();
1275 }
1276
1277 void BookmarkBarView::BookmarkNodeAdded(BookmarkModel* model,
1278                                         const BookmarkNode* parent,
1279                                         int index) {
1280   if (BookmarkNodeAddedImpl(model, parent, index))
1281     LayoutAndPaint();
1282 }
1283
1284 void BookmarkBarView::BookmarkNodeRemoved(BookmarkModel* model,
1285                                           const BookmarkNode* parent,
1286                                           int old_index,
1287                                           const BookmarkNode* node,
1288                                           const std::set<GURL>& removed_urls) {
1289   // Close the menu if the menu is showing for the deleted node.
1290   if (bookmark_menu_ && bookmark_menu_->node() == node)
1291     bookmark_menu_->Cancel();
1292   if (BookmarkNodeRemovedImpl(model, parent, old_index))
1293     LayoutAndPaint();
1294 }
1295
1296 void BookmarkBarView::BookmarkAllUserNodesRemoved(
1297     BookmarkModel* model,
1298     const std::set<GURL>& removed_urls) {
1299   UpdateOtherAndManagedButtonsVisibility();
1300
1301   StopThrobbing(true);
1302
1303   // Remove the existing buttons.
1304   while (GetBookmarkButtonCount())
1305     delete GetBookmarkButton(0);
1306
1307   LayoutAndPaint();
1308 }
1309
1310 void BookmarkBarView::BookmarkNodeChanged(BookmarkModel* model,
1311                                           const BookmarkNode* node) {
1312   BookmarkNodeChangedImpl(model, node);
1313 }
1314
1315 void BookmarkBarView::BookmarkNodeChildrenReordered(BookmarkModel* model,
1316                                                     const BookmarkNode* node) {
1317   if (node != model->bookmark_bar_node())
1318     return;  // We only care about reordering of the bookmark bar node.
1319
1320   // Remove the existing buttons.
1321   while (GetBookmarkButtonCount())
1322     delete child_at(0);
1323
1324   // Create the new buttons.
1325   for (int i = 0, child_count = node->child_count(); i < child_count; ++i)
1326     AddChildViewAt(CreateBookmarkButton(node->GetChild(i)), i);
1327
1328   LayoutAndPaint();
1329 }
1330
1331 void BookmarkBarView::BookmarkNodeFaviconChanged(BookmarkModel* model,
1332                                                  const BookmarkNode* node) {
1333   BookmarkNodeChangedImpl(model, node);
1334 }
1335
1336 void BookmarkBarView::WriteDragDataForView(View* sender,
1337                                            const gfx::Point& press_pt,
1338                                            ui::OSExchangeData* data) {
1339   content::RecordAction(UserMetricsAction("BookmarkBar_DragButton"));
1340
1341   for (int i = 0; i < GetBookmarkButtonCount(); ++i) {
1342     if (sender == GetBookmarkButton(i)) {
1343       const BookmarkNode* node = model_->bookmark_bar_node()->GetChild(i);
1344       gfx::ImageSkia icon;
1345       if (node->is_url()) {
1346         const gfx::Image& image = model_->GetFavicon(node);
1347         icon = image.IsEmpty() ? *GetImageSkiaNamed(IDR_DEFAULT_FAVICON)
1348                                : image.AsImageSkia();
1349       } else {
1350         icon = chrome::GetBookmarkFolderIcon();
1351       }
1352
1353       button_drag_utils::SetDragImage(node->url(), node->GetTitle(), icon,
1354                                       &press_pt, data,
1355                                       GetBookmarkButton(i)->GetWidget());
1356       WriteBookmarkDragData(node, data);
1357       return;
1358     }
1359   }
1360   NOTREACHED();
1361 }
1362
1363 int BookmarkBarView::GetDragOperationsForView(View* sender,
1364                                               const gfx::Point& p) {
1365   if (size_animation_->is_animating() ||
1366       (size_animation_->GetCurrentValue() == 0 &&
1367        bookmark_bar_state_ != BookmarkBar::DETACHED)) {
1368     // Don't let the user drag while animating open or we're closed (and not
1369     // detached, when detached size_animation_ is always 0). This typically is
1370     // only hit if the user does something to inadvertently trigger DnD such as
1371     // pressing the mouse and hitting control-b.
1372     return ui::DragDropTypes::DRAG_NONE;
1373   }
1374
1375   for (int i = 0; i < GetBookmarkButtonCount(); ++i) {
1376     if (sender == GetBookmarkButton(i)) {
1377       return chrome::GetBookmarkDragOperation(
1378           browser_->profile(), model_->bookmark_bar_node()->GetChild(i));
1379     }
1380   }
1381   NOTREACHED();
1382   return ui::DragDropTypes::DRAG_NONE;
1383 }
1384
1385 bool BookmarkBarView::CanStartDragForView(views::View* sender,
1386                                           const gfx::Point& press_pt,
1387                                           const gfx::Point& p) {
1388   // Check if we have not moved enough horizontally but we have moved downward
1389   // vertically - downward drag.
1390   gfx::Vector2d move_offset = p - press_pt;
1391   gfx::Vector2d horizontal_offset(move_offset.x(), 0);
1392   if (!View::ExceededDragThreshold(horizontal_offset) && move_offset.y() > 0) {
1393     for (int i = 0; i < GetBookmarkButtonCount(); ++i) {
1394       if (sender == GetBookmarkButton(i)) {
1395         const BookmarkNode* node = model_->bookmark_bar_node()->GetChild(i);
1396         // If the folder button was dragged, show the menu instead.
1397         if (node && node->is_folder()) {
1398           views::MenuButton* menu_button =
1399               static_cast<views::MenuButton*>(sender);
1400           menu_button->Activate();
1401           return false;
1402         }
1403         break;
1404       }
1405     }
1406   }
1407   return true;
1408 }
1409
1410 void BookmarkBarView::OnMenuButtonClicked(views::View* view,
1411                                           const gfx::Point& point) {
1412   const BookmarkNode* node;
1413
1414   int start_index = 0;
1415   if (view == other_bookmarks_button_) {
1416     node = model_->other_node();
1417   } else if (view == managed_bookmarks_button_) {
1418     node = managed_->managed_node();
1419   } else if (view == supervised_bookmarks_button_) {
1420     node = managed_->supervised_node();
1421   } else if (view == overflow_button_) {
1422     node = model_->bookmark_bar_node();
1423     start_index = GetFirstHiddenNodeIndex();
1424   } else {
1425     int button_index = GetIndexOf(view);
1426     DCHECK_NE(-1, button_index);
1427     node = model_->bookmark_bar_node()->GetChild(button_index);
1428   }
1429
1430   RecordBookmarkFolderOpen(GetBookmarkLaunchLocation());
1431   bookmark_menu_ = new BookmarkMenuController(
1432       browser_, page_navigator_, GetWidget(), node, start_index, false);
1433   bookmark_menu_->set_observer(this);
1434   bookmark_menu_->RunMenuAt(this);
1435 }
1436
1437 void BookmarkBarView::ButtonPressed(views::Button* sender,
1438                                     const ui::Event& event) {
1439   WindowOpenDisposition disposition_from_event_flags =
1440       ui::DispositionFromEventFlags(event.flags());
1441
1442   if (sender->tag() == kAppsShortcutButtonTag) {
1443     OpenURLParams params(GURL(chrome::kChromeUIAppsURL),
1444                          Referrer(),
1445                          disposition_from_event_flags,
1446                          ui::PAGE_TRANSITION_AUTO_BOOKMARK,
1447                          false);
1448     page_navigator_->OpenURL(params);
1449     RecordBookmarkAppsPageOpen(GetBookmarkLaunchLocation());
1450     return;
1451   }
1452
1453   const BookmarkNode* node;
1454   if (sender->tag() == kOtherFolderButtonTag) {
1455     node = model_->other_node();
1456   } else if (sender->tag() == kManagedFolderButtonTag) {
1457     node = managed_->managed_node();
1458   } else if (sender->tag() == kSupervisedFolderButtonTag) {
1459     node = managed_->supervised_node();
1460   } else {
1461     int index = GetIndexOf(sender);
1462     DCHECK_NE(-1, index);
1463     node = model_->bookmark_bar_node()->GetChild(index);
1464   }
1465   DCHECK(page_navigator_);
1466
1467   if (node->is_url()) {
1468     RecordAppLaunch(browser_->profile(), node->url());
1469     OpenURLParams params(
1470         node->url(), Referrer(), disposition_from_event_flags,
1471         ui::PAGE_TRANSITION_AUTO_BOOKMARK, false);
1472     page_navigator_->OpenURL(params);
1473   } else {
1474     chrome::OpenAll(GetWidget()->GetNativeWindow(), page_navigator_, node,
1475                     disposition_from_event_flags, browser_->profile());
1476   }
1477
1478   RecordBookmarkLaunch(node, GetBookmarkLaunchLocation());
1479 }
1480
1481 void BookmarkBarView::ShowContextMenuForView(views::View* source,
1482                                              const gfx::Point& point,
1483                                              ui::MenuSourceType source_type) {
1484   if (!model_->loaded()) {
1485     // Don't do anything if the model isn't loaded.
1486     return;
1487   }
1488
1489   const BookmarkNode* parent = NULL;
1490   std::vector<const BookmarkNode*> nodes;
1491   if (source == other_bookmarks_button_) {
1492     parent = model_->other_node();
1493     // Do this so the user can open all bookmarks. BookmarkContextMenu makes
1494     // sure the user can't edit/delete the node in this case.
1495     nodes.push_back(parent);
1496   } else if (source == managed_bookmarks_button_) {
1497     parent = managed_->managed_node();
1498     nodes.push_back(parent);
1499   } else if (source == supervised_bookmarks_button_) {
1500     parent = managed_->supervised_node();
1501     nodes.push_back(parent);
1502   } else if (source != this && source != apps_page_shortcut_) {
1503     // User clicked on one of the bookmark buttons, find which one they
1504     // clicked on, except for the apps page shortcut, which must behave as if
1505     // the user clicked on the bookmark bar background.
1506     int bookmark_button_index = GetIndexOf(source);
1507     DCHECK(bookmark_button_index != -1 &&
1508            bookmark_button_index < GetBookmarkButtonCount());
1509     const BookmarkNode* node =
1510         model_->bookmark_bar_node()->GetChild(bookmark_button_index);
1511     nodes.push_back(node);
1512     parent = node->parent();
1513   } else {
1514     parent = model_->bookmark_bar_node();
1515     nodes.push_back(parent);
1516   }
1517   bool close_on_remove =
1518       (parent == model_->other_node()) && (parent->child_count() == 1);
1519
1520   context_menu_.reset(new BookmarkContextMenu(
1521       GetWidget(), browser_, browser_->profile(),
1522       browser_->tab_strip_model()->GetActiveWebContents(),
1523       parent, nodes, close_on_remove));
1524   context_menu_->RunMenuAt(point, source_type);
1525 }
1526
1527 void BookmarkBarView::Init() {
1528   // Note that at this point we're not in a hierarchy so GetThemeProvider() will
1529   // return NULL.  When we're inserted into a hierarchy, we'll call
1530   // UpdateColors(), which will set the appropriate colors for all the objects
1531   // added in this function.
1532
1533   // Child views are traversed in the order they are added. Make sure the order
1534   // they are added matches the visual order.
1535   overflow_button_ = CreateOverflowButton();
1536   AddChildView(overflow_button_);
1537
1538   other_bookmarks_button_ = CreateOtherBookmarksButton();
1539   // We'll re-enable when the model is loaded.
1540   other_bookmarks_button_->SetEnabled(false);
1541   AddChildView(other_bookmarks_button_);
1542
1543   managed_bookmarks_button_ = CreateManagedBookmarksButton();
1544   // Also re-enabled when the model is loaded.
1545   managed_bookmarks_button_->SetEnabled(false);
1546   AddChildView(managed_bookmarks_button_);
1547
1548   supervised_bookmarks_button_ = CreateSupervisedBookmarksButton();
1549   // Also re-enabled when the model is loaded.
1550   supervised_bookmarks_button_->SetEnabled(false);
1551   AddChildView(supervised_bookmarks_button_);
1552
1553   apps_page_shortcut_ = CreateAppsPageShortcutButton();
1554   AddChildView(apps_page_shortcut_);
1555   profile_pref_registrar_.Init(browser_->profile()->GetPrefs());
1556   profile_pref_registrar_.Add(
1557       bookmarks::prefs::kShowAppsShortcutInBookmarkBar,
1558       base::Bind(&BookmarkBarView::OnAppsPageShortcutVisibilityPrefChanged,
1559                  base::Unretained(this)));
1560   profile_pref_registrar_.Add(
1561       bookmarks::prefs::kShowManagedBookmarksInBookmarkBar,
1562       base::Bind(&BookmarkBarView::OnShowManagedBookmarksPrefChanged,
1563                  base::Unretained(this)));
1564   apps_page_shortcut_->SetVisible(
1565       chrome::ShouldShowAppsShortcutInBookmarkBar(
1566           browser_->profile(), browser_->host_desktop_type()));
1567
1568   bookmarks_separator_view_ = new ButtonSeparatorView();
1569   AddChildView(bookmarks_separator_view_);
1570   UpdateBookmarksSeparatorVisibility();
1571
1572   instructions_ = new BookmarkBarInstructionsView(this);
1573   AddChildView(instructions_);
1574
1575   set_context_menu_controller(this);
1576
1577   size_animation_.reset(new gfx::SlideAnimation(this));
1578
1579   model_ = BookmarkModelFactory::GetForProfile(browser_->profile());
1580   managed_ = ManagedBookmarkServiceFactory::GetForProfile(browser_->profile());
1581   if (model_) {
1582     model_->AddObserver(this);
1583     if (model_->loaded())
1584       BookmarkModelLoaded(model_, false);
1585     // else case: we'll receive notification back from the BookmarkModel when
1586     // done loading, then we'll populate the bar.
1587   }
1588 }
1589
1590 int BookmarkBarView::GetBookmarkButtonCount() const {
1591   // We contain seven non-bookmark button views: managed bookmarks, supervised
1592   // bookmarks, other bookmarks, bookmarks separator, chevrons (for overflow),
1593   // apps page, and the instruction label.
1594   return child_count() - 7;
1595 }
1596
1597 views::LabelButton* BookmarkBarView::GetBookmarkButton(int index) {
1598   // CHECK as otherwise we may do the wrong cast.
1599   CHECK(index >= 0 && index < GetBookmarkButtonCount());
1600   return static_cast<views::LabelButton*>(child_at(index));
1601 }
1602
1603 BookmarkLaunchLocation BookmarkBarView::GetBookmarkLaunchLocation() const {
1604   return IsDetached() ? BOOKMARK_LAUNCH_LOCATION_DETACHED_BAR :
1605                         BOOKMARK_LAUNCH_LOCATION_ATTACHED_BAR;
1606 }
1607
1608 int BookmarkBarView::GetFirstHiddenNodeIndex() {
1609   const int bb_count = GetBookmarkButtonCount();
1610   for (int i = 0; i < bb_count; ++i) {
1611     if (!GetBookmarkButton(i)->visible())
1612       return i;
1613   }
1614   return bb_count;
1615 }
1616
1617 MenuButton* BookmarkBarView::CreateOtherBookmarksButton() {
1618   // Title is set in Loaded.
1619   MenuButton* button =
1620       new BookmarkFolderButton(this, base::string16(), this, false);
1621   button->set_id(VIEW_ID_OTHER_BOOKMARKS);
1622   button->SetImage(views::Button::STATE_NORMAL,
1623                    chrome::GetBookmarkFolderIcon());
1624   button->set_context_menu_controller(this);
1625   button->set_tag(kOtherFolderButtonTag);
1626   return button;
1627 }
1628
1629 MenuButton* BookmarkBarView::CreateManagedBookmarksButton() {
1630   // Title is set in Loaded.
1631   MenuButton* button =
1632       new BookmarkFolderButton(this, base::string16(), this, false);
1633   button->set_id(VIEW_ID_MANAGED_BOOKMARKS);
1634   button->SetImage(views::Button::STATE_NORMAL,
1635                    chrome::GetBookmarkManagedFolderIcon());
1636   button->set_context_menu_controller(this);
1637   button->set_tag(kManagedFolderButtonTag);
1638   return button;
1639 }
1640
1641 MenuButton* BookmarkBarView::CreateSupervisedBookmarksButton() {
1642   // Title is set in Loaded.
1643   MenuButton* button =
1644       new BookmarkFolderButton(this, base::string16(), this, false);
1645   button->set_id(VIEW_ID_SUPERVISED_BOOKMARKS);
1646   button->SetImage(views::Button::STATE_NORMAL,
1647                    chrome::GetBookmarkSupervisedFolderIcon());
1648   button->set_context_menu_controller(this);
1649   button->set_tag(kSupervisedFolderButtonTag);
1650   return button;
1651 }
1652
1653 MenuButton* BookmarkBarView::CreateOverflowButton() {
1654   MenuButton* button = new OverFlowButton(this);
1655   button->SetImage(views::Button::STATE_NORMAL,
1656                    *GetImageSkiaNamed(IDR_BOOKMARK_BAR_CHEVRONS));
1657
1658   // The overflow button's image contains an arrow and therefore it is a
1659   // direction sensitive image and we need to flip it if the UI layout is
1660   // right-to-left.
1661   //
1662   // By default, menu buttons are not flipped because they generally contain
1663   // text and flipping the gfx::Canvas object will break text rendering. Since
1664   // the overflow button does not contain text, we can safely flip it.
1665   button->EnableCanvasFlippingForRTLUI(true);
1666
1667   // Make visible as necessary.
1668   button->SetVisible(false);
1669   // Set accessibility name.
1670   button->SetAccessibleName(
1671       l10n_util::GetStringUTF16(IDS_ACCNAME_BOOKMARKS_CHEVRON));
1672   return button;
1673 }
1674
1675 views::View* BookmarkBarView::CreateBookmarkButton(const BookmarkNode* node) {
1676   if (node->is_url()) {
1677     BookmarkButton* button = new BookmarkButton(
1678         this, node->url(), node->GetTitle(), browser_->profile());
1679     ConfigureButton(node, button);
1680     return button;
1681   }
1682   views::MenuButton* button =
1683       new BookmarkFolderButton(this, node->GetTitle(), this, false);
1684   button->SetImage(views::Button::STATE_NORMAL,
1685                    chrome::GetBookmarkFolderIcon());
1686   ConfigureButton(node, button);
1687   return button;
1688 }
1689
1690 views::LabelButton* BookmarkBarView::CreateAppsPageShortcutButton() {
1691   views::LabelButton* button = new ShortcutButton(
1692       this, l10n_util::GetStringUTF16(IDS_BOOKMARK_BAR_APPS_SHORTCUT_NAME));
1693   button->SetTooltipText(l10n_util::GetStringUTF16(
1694       IDS_BOOKMARK_BAR_APPS_SHORTCUT_TOOLTIP));
1695   button->set_id(VIEW_ID_BOOKMARK_BAR_ELEMENT);
1696   button->SetImage(views::Button::STATE_NORMAL,
1697                    *GetImageSkiaNamed(IDR_BOOKMARK_BAR_APPS_SHORTCUT));
1698   button->set_context_menu_controller(this);
1699   button->set_tag(kAppsShortcutButtonTag);
1700   return button;
1701 }
1702
1703 void BookmarkBarView::ConfigureButton(const BookmarkNode* node,
1704                                       views::LabelButton* button) {
1705   button->SetText(node->GetTitle());
1706   button->SetAccessibleName(node->GetTitle());
1707   button->set_id(VIEW_ID_BOOKMARK_BAR_ELEMENT);
1708   // We don't always have a theme provider (ui tests, for example).
1709   if (GetThemeProvider()) {
1710     button->SetTextColor(
1711         views::Button::STATE_NORMAL,
1712         GetThemeProvider()->GetColor(ThemeProperties::COLOR_BOOKMARK_TEXT));
1713   }
1714
1715   button->SetMinSize(gfx::Size());
1716   button->set_context_menu_controller(this);
1717   button->set_drag_controller(this);
1718   if (node->is_url()) {
1719     const gfx::Image& favicon = model_->GetFavicon(node);
1720     button->SetImage(views::Button::STATE_NORMAL,
1721                      favicon.IsEmpty() ? *GetImageSkiaNamed(IDR_DEFAULT_FAVICON)
1722                                        : *favicon.ToImageSkia());
1723   }
1724   button->SetMaxSize(gfx::Size(kMaxButtonWidth, 0));
1725 }
1726
1727 bool BookmarkBarView::BookmarkNodeAddedImpl(BookmarkModel* model,
1728                                             const BookmarkNode* parent,
1729                                             int index) {
1730   const bool needs_layout_and_paint = UpdateOtherAndManagedButtonsVisibility();
1731   if (parent != model->bookmark_bar_node())
1732     return needs_layout_and_paint;
1733   if (index < GetBookmarkButtonCount()) {
1734     const BookmarkNode* node = parent->GetChild(index);
1735     AddChildViewAt(CreateBookmarkButton(node), index);
1736     return true;
1737   }
1738   // If the new node was added after the last button we've created we may be
1739   // able to fit it. Assume we can by returning true, which forces a Layout()
1740   // and creation of the button (if it fits).
1741   return index == GetBookmarkButtonCount();
1742 }
1743
1744 bool BookmarkBarView::BookmarkNodeRemovedImpl(BookmarkModel* model,
1745                                               const BookmarkNode* parent,
1746                                               int index) {
1747   const bool needs_layout = UpdateOtherAndManagedButtonsVisibility();
1748
1749   StopThrobbing(true);
1750   // No need to start throbbing again as the bookmark bubble can't be up at
1751   // the same time as the user reorders.
1752
1753   if (parent != model->bookmark_bar_node()) {
1754     // Only children of the bookmark_bar_node get buttons.
1755     return needs_layout;
1756   }
1757   if (index >= GetBookmarkButtonCount())
1758     return needs_layout;
1759
1760   delete child_at(index);
1761   return true;
1762 }
1763
1764 void BookmarkBarView::BookmarkNodeChangedImpl(BookmarkModel* model,
1765                                               const BookmarkNode* node) {
1766   if (node == managed_->managed_node()) {
1767     // The managed node may have its title updated.
1768     managed_bookmarks_button_->SetAccessibleName(
1769         managed_->managed_node()->GetTitle());
1770     managed_bookmarks_button_->SetText(managed_->managed_node()->GetTitle());
1771     return;
1772   }
1773   if (node == managed_->supervised_node()) {
1774     // The supervised node may have its title updated.
1775     supervised_bookmarks_button_->SetAccessibleName(
1776         managed_->supervised_node()->GetTitle());
1777     supervised_bookmarks_button_->SetText(
1778         managed_->supervised_node()->GetTitle());
1779     return;
1780   }
1781
1782   if (node->parent() != model->bookmark_bar_node()) {
1783     // We only care about nodes on the bookmark bar.
1784     return;
1785   }
1786   int index = model->bookmark_bar_node()->GetIndexOf(node);
1787   DCHECK_NE(-1, index);
1788   if (index >= GetBookmarkButtonCount())
1789     return;  // Buttons are created as needed.
1790   views::LabelButton* button = GetBookmarkButton(index);
1791   const int old_pref_width = button->GetPreferredSize().width();
1792   ConfigureButton(node, button);
1793   if (old_pref_width != button->GetPreferredSize().width())
1794     LayoutAndPaint();
1795 }
1796
1797 void BookmarkBarView::ShowDropFolderForNode(const BookmarkNode* node) {
1798   if (bookmark_drop_menu_) {
1799     if (bookmark_drop_menu_->node() == node) {
1800       // Already showing for the specified node.
1801       return;
1802     }
1803     bookmark_drop_menu_->Cancel();
1804   }
1805
1806   views::MenuButton* menu_button = GetMenuButtonForNode(node);
1807   if (!menu_button)
1808     return;
1809
1810   int start_index = 0;
1811   if (node == model_->bookmark_bar_node())
1812     start_index = GetFirstHiddenNodeIndex();
1813
1814   drop_info_->is_menu_showing = true;
1815   bookmark_drop_menu_ = new BookmarkMenuController(
1816       browser_, page_navigator_, GetWidget(), node, start_index, true);
1817   bookmark_drop_menu_->set_observer(this);
1818   bookmark_drop_menu_->RunMenuAt(this);
1819 }
1820
1821 void BookmarkBarView::StopShowFolderDropMenuTimer() {
1822   show_folder_method_factory_.InvalidateWeakPtrs();
1823 }
1824
1825 void BookmarkBarView::StartShowFolderDropMenuTimer(const BookmarkNode* node) {
1826   if (!animations_enabled) {
1827     // So that tests can run as fast as possible disable the delay during
1828     // testing.
1829     ShowDropFolderForNode(node);
1830     return;
1831   }
1832   show_folder_method_factory_.InvalidateWeakPtrs();
1833   base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
1834       FROM_HERE, base::Bind(&BookmarkBarView::ShowDropFolderForNode,
1835                             show_folder_method_factory_.GetWeakPtr(), node),
1836       base::TimeDelta::FromMilliseconds(views::GetMenuShowDelay()));
1837 }
1838
1839 void BookmarkBarView::CalculateDropLocation(const DropTargetEvent& event,
1840                                             const BookmarkNodeData& data,
1841                                             DropLocation* location) {
1842   DCHECK(model_);
1843   DCHECK(model_->loaded());
1844   DCHECK(data.is_valid());
1845
1846   *location = DropLocation();
1847
1848   // The drop event uses the screen coordinates while the child Views are
1849   // always laid out from left to right (even though they are rendered from
1850   // right-to-left on RTL locales). Thus, in order to make sure the drop
1851   // coordinates calculation works, we mirror the event's X coordinate if the
1852   // locale is RTL.
1853   int mirrored_x = GetMirroredXInView(event.x());
1854
1855   bool found = false;
1856   const int other_delta_x = mirrored_x - other_bookmarks_button_->x();
1857   Profile* profile = browser_->profile();
1858   if (other_bookmarks_button_->visible() && other_delta_x >= 0 &&
1859       other_delta_x < other_bookmarks_button_->width()) {
1860     // Mouse is over 'other' folder.
1861     location->button_type = DROP_OTHER_FOLDER;
1862     location->on = true;
1863     found = true;
1864   } else if (!GetBookmarkButtonCount()) {
1865     // No bookmarks, accept the drop.
1866     location->index = 0;
1867     const BookmarkNode* node = data.GetFirstNode(model_, profile->GetPath());
1868     int ops = node && managed_->CanBeEditedByUser(node) ?
1869         ui::DragDropTypes::DRAG_MOVE :
1870         ui::DragDropTypes::DRAG_COPY | ui::DragDropTypes::DRAG_LINK;
1871     location->operation = chrome::GetPreferredBookmarkDropOperation(
1872         event.source_operations(), ops);
1873     return;
1874   }
1875
1876   for (int i = 0; i < GetBookmarkButtonCount() &&
1877        GetBookmarkButton(i)->visible() && !found; i++) {
1878     views::LabelButton* button = GetBookmarkButton(i);
1879     int button_x = mirrored_x - button->x();
1880     int button_w = button->width();
1881     if (button_x < button_w) {
1882       found = true;
1883       const BookmarkNode* node = model_->bookmark_bar_node()->GetChild(i);
1884       if (node->is_folder()) {
1885         if (button_x <= views::kDropBetweenPixels) {
1886           location->index = i;
1887         } else if (button_x < button_w - views::kDropBetweenPixels) {
1888           location->index = i;
1889           location->on = true;
1890         } else {
1891           location->index = i + 1;
1892         }
1893       } else if (button_x < button_w / 2) {
1894         location->index = i;
1895       } else {
1896         location->index = i + 1;
1897       }
1898       break;
1899     }
1900   }
1901
1902   if (!found) {
1903     if (overflow_button_->visible()) {
1904       // Are we over the overflow button?
1905       int overflow_delta_x = mirrored_x - overflow_button_->x();
1906       if (overflow_delta_x >= 0 &&
1907           overflow_delta_x < overflow_button_->width()) {
1908         // Mouse is over overflow button.
1909         location->index = GetFirstHiddenNodeIndex();
1910         location->button_type = DROP_OVERFLOW;
1911       } else if (overflow_delta_x < 0) {
1912         // Mouse is after the last visible button but before overflow button;
1913         // use the last visible index.
1914         location->index = GetFirstHiddenNodeIndex();
1915       } else {
1916         return;
1917       }
1918     } else if (!other_bookmarks_button_->visible() ||
1919                mirrored_x < other_bookmarks_button_->x()) {
1920       // Mouse is after the last visible button but before more recently
1921       // bookmarked; use the last visible index.
1922       location->index = GetFirstHiddenNodeIndex();
1923     } else {
1924       return;
1925     }
1926   }
1927
1928   if (location->on) {
1929     const BookmarkNode* parent = (location->button_type == DROP_OTHER_FOLDER) ?
1930         model_->other_node() :
1931         model_->bookmark_bar_node()->GetChild(location->index);
1932     location->operation = chrome::GetBookmarkDropOperation(
1933         profile, event, data, parent, parent->child_count());
1934     if (!location->operation && !data.has_single_url() &&
1935         data.GetFirstNode(model_, profile->GetPath()) == parent) {
1936       // Don't open a menu if the node being dragged is the menu to open.
1937       location->on = false;
1938     }
1939   } else {
1940     location->operation = chrome::GetBookmarkDropOperation(
1941         profile, event, data, model_->bookmark_bar_node(), location->index);
1942   }
1943 }
1944
1945 void BookmarkBarView::WriteBookmarkDragData(const BookmarkNode* node,
1946                                             ui::OSExchangeData* data) {
1947   DCHECK(node && data);
1948   BookmarkNodeData drag_data(node);
1949   drag_data.Write(browser_->profile()->GetPath(), data);
1950 }
1951
1952 void BookmarkBarView::StartThrobbing(const BookmarkNode* node,
1953                                      bool overflow_only) {
1954   DCHECK(!throbbing_view_);
1955
1956   // Determine which visible button is showing the bookmark (or is an ancestor
1957   // of the bookmark).
1958   const BookmarkNode* bbn = model_->bookmark_bar_node();
1959   const BookmarkNode* parent_on_bb = node;
1960   while (parent_on_bb) {
1961     const BookmarkNode* parent = parent_on_bb->parent();
1962     if (parent == bbn)
1963       break;
1964     parent_on_bb = parent;
1965   }
1966   if (parent_on_bb) {
1967     int index = bbn->GetIndexOf(parent_on_bb);
1968     if (index >= GetFirstHiddenNodeIndex()) {
1969       // Node is hidden, animate the overflow button.
1970       throbbing_view_ = overflow_button_;
1971     } else if (!overflow_only) {
1972       throbbing_view_ = static_cast<CustomButton*>(child_at(index));
1973     }
1974   } else if (bookmarks::IsDescendantOf(node, managed_->managed_node())) {
1975     throbbing_view_ = managed_bookmarks_button_;
1976   } else if (bookmarks::IsDescendantOf(node, managed_->supervised_node())) {
1977     throbbing_view_ = supervised_bookmarks_button_;
1978   } else if (!overflow_only) {
1979     throbbing_view_ = other_bookmarks_button_;
1980   }
1981
1982   // Use a large number so that the button continues to throb.
1983   if (throbbing_view_)
1984     throbbing_view_->StartThrobbing(std::numeric_limits<int>::max());
1985 }
1986
1987 views::CustomButton* BookmarkBarView::DetermineViewToThrobFromRemove(
1988     const BookmarkNode* parent,
1989     int old_index) {
1990   const BookmarkNode* bbn = model_->bookmark_bar_node();
1991   const BookmarkNode* old_node = parent;
1992   int old_index_on_bb = old_index;
1993   while (old_node && old_node != bbn) {
1994     const BookmarkNode* parent = old_node->parent();
1995     if (parent == bbn) {
1996       old_index_on_bb = bbn->GetIndexOf(old_node);
1997       break;
1998     }
1999     old_node = parent;
2000   }
2001   if (old_node) {
2002     if (old_index_on_bb >= GetFirstHiddenNodeIndex()) {
2003       // Node is hidden, animate the overflow button.
2004       return overflow_button_;
2005     }
2006     return static_cast<CustomButton*>(child_at(old_index_on_bb));
2007   }
2008   if (bookmarks::IsDescendantOf(parent, managed_->managed_node()))
2009     return managed_bookmarks_button_;
2010   if (bookmarks::IsDescendantOf(parent, managed_->supervised_node()))
2011     return supervised_bookmarks_button_;
2012   // Node wasn't on the bookmark bar, use the "Other Bookmarks" button.
2013   return other_bookmarks_button_;
2014 }
2015
2016 void BookmarkBarView::UpdateColors() {
2017   // We don't always have a theme provider (ui tests, for example).
2018   const ui::ThemeProvider* theme_provider = GetThemeProvider();
2019   if (!theme_provider)
2020     return;
2021   SkColor color =
2022       theme_provider->GetColor(ThemeProperties::COLOR_BOOKMARK_TEXT);
2023   for (int i = 0; i < GetBookmarkButtonCount(); ++i)
2024     GetBookmarkButton(i)->SetTextColor(views::Button::STATE_NORMAL, color);
2025   other_bookmarks_button_->SetTextColor(views::Button::STATE_NORMAL, color);
2026   managed_bookmarks_button_->SetTextColor(views::Button::STATE_NORMAL, color);
2027   supervised_bookmarks_button_->SetTextColor(views::Button::STATE_NORMAL,
2028                                              color);
2029   if (apps_page_shortcut_->visible())
2030     apps_page_shortcut_->SetTextColor(views::Button::STATE_NORMAL, color);
2031 }
2032
2033 bool BookmarkBarView::UpdateOtherAndManagedButtonsVisibility() {
2034   bool has_other_children = !model_->other_node()->empty();
2035   bool update_other = has_other_children != other_bookmarks_button_->visible();
2036   if (update_other) {
2037     other_bookmarks_button_->SetVisible(has_other_children);
2038     UpdateBookmarksSeparatorVisibility();
2039   }
2040
2041   bool show_managed = !managed_->managed_node()->empty() &&
2042                       browser_->profile()->GetPrefs()->GetBoolean(
2043                           bookmarks::prefs::kShowManagedBookmarksInBookmarkBar);
2044   bool update_managed = show_managed != managed_bookmarks_button_->visible();
2045   if (update_managed)
2046     managed_bookmarks_button_->SetVisible(show_managed);
2047
2048   bool show_supervised = !managed_->supervised_node()->empty();
2049   bool update_supervised =
2050       show_supervised != supervised_bookmarks_button_->visible();
2051   if (update_supervised)
2052     supervised_bookmarks_button_->SetVisible(show_supervised);
2053
2054   return update_other || update_managed || update_supervised;
2055 }
2056
2057 void BookmarkBarView::UpdateBookmarksSeparatorVisibility() {
2058   // Ash does not paint the bookmarks separator line because it looks odd on
2059   // the flat background.  We keep it present for layout, but don't draw it.
2060   bookmarks_separator_view_->SetVisible(
2061       browser_->host_desktop_type() != chrome::HOST_DESKTOP_TYPE_ASH &&
2062       other_bookmarks_button_->visible());
2063 }
2064
2065 void BookmarkBarView::OnAppsPageShortcutVisibilityPrefChanged() {
2066   DCHECK(apps_page_shortcut_);
2067   // Only perform layout if required.
2068   bool visible = chrome::ShouldShowAppsShortcutInBookmarkBar(
2069       browser_->profile(), browser_->host_desktop_type());
2070   if (apps_page_shortcut_->visible() == visible)
2071     return;
2072   apps_page_shortcut_->SetVisible(visible);
2073   UpdateBookmarksSeparatorVisibility();
2074   LayoutAndPaint();
2075 }
2076
2077 void BookmarkBarView::OnShowManagedBookmarksPrefChanged() {
2078   if (UpdateOtherAndManagedButtonsVisibility())
2079     LayoutAndPaint();
2080 }