src/chrome/browser/ui/views/location_bar/location_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/location_bar/location_bar_view.h"
   6
   7 #include <algorithm>
   8 #include <map>
   9
  10 #include "base/i18n/rtl.h"
  11 #include "base/prefs/pref_service.h"
  12 #include "base/stl_util.h"
  13 #include "base/strings/utf_string_conversions.h"
  14 #include "chrome/app/chrome_command_ids.h"
  15 #include "chrome/browser/command_updater.h"
  16 #include "chrome/browser/defaults.h"
  17 #include "chrome/browser/extensions/api/omnibox/omnibox_api.h"
  18 #include "chrome/browser/extensions/extension_action.h"
  19 #include "chrome/browser/extensions/extension_action_manager.h"
  20 #include "chrome/browser/extensions/extension_util.h"
  21 #include "chrome/browser/extensions/location_bar_controller.h"
  22 #include "chrome/browser/extensions/tab_helper.h"
  23 #include "chrome/browser/favicon/favicon_tab_helper.h"
  24 #include "chrome/browser/profiles/profile.h"
  25 #include "chrome/browser/search/instant_service.h"
  26 #include "chrome/browser/search/instant_service_factory.h"
  27 #include "chrome/browser/search/search.h"
  28 #include "chrome/browser/search_engines/template_url_service_factory.h"
  29 #include "chrome/browser/translate/chrome_translate_client.h"
  30 #include "chrome/browser/translate/translate_service.h"
  31 #include "chrome/browser/ui/browser.h"
  32 #include "chrome/browser/ui/browser_finder.h"
  33 #include "chrome/browser/ui/browser_instant_controller.h"
  34 #include "chrome/browser/ui/browser_window.h"
  35 #include "chrome/browser/ui/omnibox/omnibox_popup_model.h"
  36 #include "chrome/browser/ui/omnibox/omnibox_popup_view.h"
  37 #include "chrome/browser/ui/passwords/manage_passwords_icon.h"
  38 #include "chrome/browser/ui/passwords/manage_passwords_ui_controller.h"
  39 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  40 #include "chrome/browser/ui/view_ids.h"
  41 #include "chrome/browser/ui/views/browser_dialogs.h"
  42 #include "chrome/browser/ui/views/location_bar/content_setting_image_view.h"
  43 #include "chrome/browser/ui/views/location_bar/ev_bubble_view.h"
  44 #include "chrome/browser/ui/views/location_bar/generated_credit_card_view.h"
  45 #include "chrome/browser/ui/views/location_bar/keyword_hint_view.h"
  46 #include "chrome/browser/ui/views/location_bar/location_bar_layout.h"
  47 #include "chrome/browser/ui/views/location_bar/location_icon_view.h"
  48 #include "chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.h"
  49 #include "chrome/browser/ui/views/location_bar/origin_chip_view.h"
  50 #include "chrome/browser/ui/views/location_bar/page_action_image_view.h"
  51 #include "chrome/browser/ui/views/location_bar/page_action_with_badge_view.h"
  52 #include "chrome/browser/ui/views/location_bar/search_button.h"
  53 #include "chrome/browser/ui/views/location_bar/selected_keyword_view.h"
  54 #include "chrome/browser/ui/views/location_bar/star_view.h"
  55 #include "chrome/browser/ui/views/location_bar/translate_icon_view.h"
  56 #include "chrome/browser/ui/views/location_bar/zoom_bubble_view.h"
  57 #include "chrome/browser/ui/views/location_bar/zoom_view.h"
  58 #include "chrome/browser/ui/views/passwords/manage_passwords_bubble_view.h"
  59 #include "chrome/browser/ui/views/passwords/manage_passwords_icon_view.h"
  60 #include "chrome/browser/ui/views/translate/translate_bubble_view.h"
  61 #include "chrome/browser/ui/zoom/zoom_controller.h"
  62 #include "chrome/common/pref_names.h"
  63 #include "chrome/grit/generated_resources.h"
  64 #include "components/search_engines/template_url.h"
  65 #include "components/search_engines/template_url_service.h"
  66 #include "components/translate/core/browser/language_state.h"
  67 #include "content/public/browser/render_widget_host_view.h"
  68 #include "content/public/browser/web_contents.h"
  69 #include "extensions/browser/extension_registry.h"
  70 #include "extensions/common/feature_switch.h"
  71 #include "extensions/common/permissions/permissions_data.h"
  72 #include "grit/components_scaled_resources.h"
  73 #include "grit/theme_resources.h"
  74 #include "ui/accessibility/ax_view_state.h"
  75 #include "ui/base/dragdrop/drag_drop_types.h"
  76 #include "ui/base/l10n/l10n_util.h"
  77 #include "ui/base/resource/resource_bundle.h"
  78 #include "ui/base/theme_provider.h"
  79 #include "ui/events/event.h"
  80 #include "ui/gfx/animation/slide_animation.h"
  81 #include "ui/gfx/canvas.h"
  82 #include "ui/gfx/color_utils.h"
  83 #include "ui/gfx/image/image.h"
  84 #include "ui/gfx/image/image_skia_operations.h"
  85 #include "ui/gfx/scoped_canvas.h"
  86 #include "ui/gfx/skia_util.h"
  87 #include "ui/gfx/text_utils.h"
  88 #include "ui/native_theme/native_theme.h"
  89 #include "ui/views/background.h"
  90 #include "ui/views/border.h"
  91 #include "ui/views/button_drag_utils.h"
  92 #include "ui/views/controls/button/image_button.h"
  93 #include "ui/views/controls/label.h"
  94 #include "ui/views/widget/widget.h"
  95
  96 #if !defined(OS_CHROMEOS)
  97 #include "chrome/browser/ui/views/first_run_bubble.h"
  98 #endif
  99
 100 using content::WebContents;
 101 using views::View;
 102
 103 namespace {
 104
 105 const gfx::Tween::Type kShowTweenType = gfx::Tween::LINEAR_OUT_SLOW_IN;
 106 const gfx::Tween::Type kHideTweenType = gfx::Tween::FAST_OUT_LINEAR_IN;
 107
 108 // The search button images are made to look as if they overlay the normal edge
 109 // images, but to align things, the search button needs to be inset horizontally
 110 // by 1 px.
 111 const int kSearchButtonInset = 1;
 112
 113 int GetEditLeadingInternalSpace() {
 114   // The textfield has 1 px of whitespace before the text in the RTL case only.
 115   return base::i18n::IsRTL() ? 1 : 0;
 116 }
 117
 118 // Functor for moving BookmarkManagerPrivate page actions to the right via
 119 // stable_partition.
 120 class IsPageActionViewRightAligned {
 121  public:
 122   explicit IsPageActionViewRightAligned(
 123       extensions::ExtensionRegistry* extension_registry)
 124       : extension_registry_(extension_registry) {}
 125
 126   bool operator()(PageActionWithBadgeView* page_action_view) {
 127     return extension_registry_->enabled_extensions().GetByID(
 128         page_action_view->image_view()->extension_action()->extension_id())->
 129         permissions_data()->
 130         HasAPIPermission(extensions::APIPermission::kBookmarkManagerPrivate);
 131   }
 132
 133  private:
 134   extensions::ExtensionRegistry* extension_registry_;
 135
 136   // NOTE: Can't DISALLOW_COPY_AND_ASSIGN as we pass this object by value to
 137   // std::stable_partition().
 138 };
 139
 140 }  // namespace
 141
 142
 143 // LocationBarView -----------------------------------------------------------
 144
 145 // static
 146 const int LocationBarView::kNormalEdgeThickness = 2;
 147 const int LocationBarView::kPopupEdgeThickness = 1;
 148 const int LocationBarView::kItemPadding = 3;
 149 const int LocationBarView::kIconInternalPadding = 2;
 150 const int LocationBarView::kBubblePadding = 1;
 151 const char LocationBarView::kViewClassName[] = "LocationBarView";
 152
 153 LocationBarView::LocationBarView(Browser* browser,
 154                                  Profile* profile,
 155                                  CommandUpdater* command_updater,
 156                                  Delegate* delegate,
 157                                  bool is_popup_mode)
 158     : LocationBar(profile),
 159       OmniboxEditController(command_updater),
 160       browser_(browser),
 161       omnibox_view_(NULL),
 162       delegate_(delegate),
 163       origin_chip_view_(NULL),
 164       location_icon_view_(NULL),
 165       ev_bubble_view_(NULL),
 166       ime_inline_autocomplete_view_(NULL),
 167       selected_keyword_view_(NULL),
 168       suggested_text_view_(NULL),
 169       keyword_hint_view_(NULL),
 170       mic_search_view_(NULL),
 171       zoom_view_(NULL),
 172       generated_credit_card_view_(NULL),
 173       open_pdf_in_reader_view_(NULL),
 174       manage_passwords_icon_view_(NULL),
 175       translate_icon_view_(NULL),
 176       star_view_(NULL),
 177       search_button_(NULL),
 178       is_popup_mode_(is_popup_mode),
 179       show_focus_rect_(false),
 180       template_url_service_(NULL),
 181       dropdown_animation_offset_(0),
 182       starting_omnibox_offset_(0),
 183       current_omnibox_offset_(0),
 184       starting_omnibox_leading_inset_(0),
 185       current_omnibox_leading_inset_(0),
 186       current_omnibox_width_(0),
 187       ending_omnibox_width_(0) {
 188   edit_bookmarks_enabled_.Init(
 189       bookmarks::prefs::kEditBookmarksEnabled, profile->GetPrefs(),
 190       base::Bind(&LocationBarView::Update, base::Unretained(this),
 191                  static_cast<content::WebContents*>(NULL)));
 192
 193   if (browser_)
 194     browser_->search_model()->AddObserver(this);
 195 }
 196
 197 LocationBarView::~LocationBarView() {
 198   if (template_url_service_)
 199     template_url_service_->RemoveObserver(this);
 200   if (browser_)
 201     browser_->search_model()->RemoveObserver(this);
 202 }
 203
 204 ////////////////////////////////////////////////////////////////////////////////
 205 // LocationBarView, public:
 206
 207 void LocationBarView::Init() {
 208   // We need to be in a Widget, otherwise GetNativeTheme() may change and we're
 209   // not prepared for that.
 210   DCHECK(GetWidget());
 211
 212   const int kOmniboxPopupBorderImages[] =
 213       IMAGE_GRID(IDR_OMNIBOX_POPUP_BORDER_AND_SHADOW);
 214   const int kOmniboxBorderImages[] = IMAGE_GRID(IDR_TEXTFIELD);
 215   border_painter_.reset(views::Painter::CreateImageGridPainter(
 216       is_popup_mode_ ? kOmniboxPopupBorderImages : kOmniboxBorderImages));
 217
 218   location_icon_view_ = new LocationIconView(this);
 219   location_icon_view_->set_drag_controller(this);
 220   AddChildView(location_icon_view_);
 221
 222   // Determine the main font.
 223   gfx::FontList font_list = ResourceBundle::GetSharedInstance().GetFontList(
 224       ResourceBundle::BaseFont);
 225   const int current_font_size = font_list.GetFontSize();
 226   const int desired_font_size = browser_defaults::kOmniboxFontPixelSize;
 227   if (current_font_size != desired_font_size) {
 228     font_list =
 229         font_list.DeriveWithSizeDelta(desired_font_size - current_font_size);
 230   }
 231   // Shrink large fonts to make them fit.
 232   // TODO(pkasting): Stretch the location bar instead in this case.
 233   const int location_height = GetInternalHeight(true);
 234   font_list = font_list.DeriveWithHeightUpperBound(location_height);
 235
 236   // Determine the font for use inside the bubbles.  The bubble background
 237   // images have 1 px thick edges, which we don't want to overlap.
 238   const int kBubbleInteriorVerticalPadding = 1;
 239   const int bubble_vertical_padding =
 240       (kBubblePadding + kBubbleInteriorVerticalPadding) * 2;
 241   const gfx::FontList bubble_font_list(font_list.DeriveWithHeightUpperBound(
 242       location_height - bubble_vertical_padding));
 243
 244   const SkColor background_color =
 245       GetColor(ToolbarModel::NONE, LocationBarView::BACKGROUND);
 246   ev_bubble_view_ = new EVBubbleView(
 247       bubble_font_list, GetColor(ToolbarModel::EV_SECURE, SECURITY_TEXT),
 248       background_color, this);
 249   ev_bubble_view_->set_drag_controller(this);
 250   AddChildView(ev_bubble_view_);
 251
 252   // Initialize the Omnibox view.
 253   omnibox_view_ = new OmniboxViewViews(
 254       this, profile(), command_updater(),
 255       is_popup_mode_ ||
 256           (browser_->is_app() &&
 257            extensions::util::IsStreamlinedHostedAppsEnabled()),
 258       this, font_list);
 259   omnibox_view_->Init();
 260   omnibox_view_->SetFocusable(true);
 261   AddChildView(omnibox_view_);
 262
 263   // Initialize the inline autocomplete view which is visible only when IME is
 264   // turned on.  Use the same font with the omnibox and highlighted background.
 265   ime_inline_autocomplete_view_ = new views::Label(base::string16(), font_list);
 266   ime_inline_autocomplete_view_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 267   ime_inline_autocomplete_view_->SetAutoColorReadabilityEnabled(false);
 268   ime_inline_autocomplete_view_->set_background(
 269       views::Background::CreateSolidBackground(GetNativeTheme()->GetSystemColor(
 270           ui::NativeTheme::kColorId_TextfieldSelectionBackgroundFocused)));
 271   ime_inline_autocomplete_view_->SetEnabledColor(
 272       GetNativeTheme()->GetSystemColor(
 273           ui::NativeTheme::kColorId_TextfieldSelectionColor));
 274   ime_inline_autocomplete_view_->SetVisible(false);
 275   AddChildView(ime_inline_autocomplete_view_);
 276
 277   origin_chip_view_ = new OriginChipView(this, profile(), font_list);
 278   origin_chip_view_->SetFocusable(false);
 279   origin_chip_view_->set_drag_controller(this);
 280   AddChildView(origin_chip_view_);
 281
 282   const SkColor text_color = GetColor(ToolbarModel::NONE, TEXT);
 283   selected_keyword_view_ = new SelectedKeywordView(
 284       bubble_font_list, text_color, background_color, profile());
 285   AddChildView(selected_keyword_view_);
 286
 287   suggested_text_view_ = new views::Label(base::string16(), font_list);
 288   suggested_text_view_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 289   suggested_text_view_->SetAutoColorReadabilityEnabled(false);
 290   suggested_text_view_->SetEnabledColor(GetColor(
 291       ToolbarModel::NONE, LocationBarView::DEEMPHASIZED_TEXT));
 292   suggested_text_view_->SetVisible(false);
 293   AddChildView(suggested_text_view_);
 294
 295   keyword_hint_view_ = new KeywordHintView(
 296       profile(), font_list,
 297       GetColor(ToolbarModel::NONE, LocationBarView::DEEMPHASIZED_TEXT),
 298       background_color);
 299   AddChildView(keyword_hint_view_);
 300
 301   mic_search_view_ = new views::ImageButton(this);
 302   mic_search_view_->set_id(VIEW_ID_MIC_SEARCH_BUTTON);
 303   mic_search_view_->SetAccessibilityFocusable(true);
 304   mic_search_view_->SetTooltipText(
 305       l10n_util::GetStringUTF16(IDS_TOOLTIP_MIC_SEARCH));
 306   mic_search_view_->SetImage(
 307       views::Button::STATE_NORMAL,
 308       ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
 309           IDR_OMNIBOX_MIC_SEARCH));
 310   mic_search_view_->SetImageAlignment(views::ImageButton::ALIGN_CENTER,
 311                                       views::ImageButton::ALIGN_MIDDLE);
 312   mic_search_view_->SetVisible(false);
 313   AddChildView(mic_search_view_);
 314
 315   for (int i = 0; i < CONTENT_SETTINGS_NUM_TYPES; ++i) {
 316     ContentSettingImageView* content_blocked_view =
 317         new ContentSettingImageView(static_cast<ContentSettingsType>(i), this,
 318                                     bubble_font_list, text_color,
 319                                     background_color);
 320     content_setting_views_.push_back(content_blocked_view);
 321     content_blocked_view->SetVisible(false);
 322     AddChildView(content_blocked_view);
 323   }
 324
 325   generated_credit_card_view_ = new GeneratedCreditCardView(delegate_);
 326   AddChildView(generated_credit_card_view_);
 327
 328   zoom_view_ = new ZoomView(delegate_);
 329   zoom_view_->set_id(VIEW_ID_ZOOM_BUTTON);
 330   AddChildView(zoom_view_);
 331
 332   open_pdf_in_reader_view_ = new OpenPDFInReaderView();
 333   AddChildView(open_pdf_in_reader_view_);
 334
 335   manage_passwords_icon_view_ = new ManagePasswordsIconView(command_updater());
 336   AddChildView(manage_passwords_icon_view_);
 337
 338   translate_icon_view_ = new TranslateIconView(command_updater());
 339   translate_icon_view_->SetVisible(false);
 340   AddChildView(translate_icon_view_);
 341
 342   star_view_ = new StarView(command_updater());
 343   star_view_->SetVisible(false);
 344   AddChildView(star_view_);
 345
 346   search_button_ = new SearchButton(this);
 347   search_button_->SetVisible(false);
 348   AddChildView(search_button_);
 349
 350   show_url_animation_.reset(new gfx::SlideAnimation(this));
 351   show_url_animation_->SetTweenType(kShowTweenType);
 352   show_url_animation_->SetSlideDuration(200);
 353
 354   hide_url_animation_.reset(new gfx::SlideAnimation(this));
 355   hide_url_animation_->SetTweenType(kHideTweenType);
 356   hide_url_animation_->SetSlideDuration(175);
 357
 358   // Initialize the location entry. We do this to avoid a black flash which is
 359   // visible when the location entry has just been initialized.
 360   Update(NULL);
 361 }
 362
 363 bool LocationBarView::IsInitialized() const {
 364   return omnibox_view_ != NULL;
 365 }
 366
 367 SkColor LocationBarView::GetColor(ToolbarModel::SecurityLevel security_level,
 368                                   ColorKind kind) const {
 369   const ui::NativeTheme* native_theme = GetNativeTheme();
 370   switch (kind) {
 371     case BACKGROUND:
 372       return native_theme->GetSystemColor(
 373           ui::NativeTheme::kColorId_TextfieldDefaultBackground);
 374
 375     case TEXT:
 376       return native_theme->GetSystemColor(
 377           ui::NativeTheme::kColorId_TextfieldDefaultColor);
 378
 379     case SELECTED_TEXT:
 380       return native_theme->GetSystemColor(
 381           ui::NativeTheme::kColorId_TextfieldSelectionColor);
 382
 383     case DEEMPHASIZED_TEXT:
 384       return color_utils::AlphaBlend(
 385           GetColor(security_level, TEXT),
 386           GetColor(security_level, BACKGROUND),
 387           128);
 388
 389     case SECURITY_TEXT: {
 390       SkColor color;
 391       switch (security_level) {
 392         case ToolbarModel::EV_SECURE:
 393         case ToolbarModel::SECURE:
 394           color = SkColorSetRGB(7, 149, 0);
 395           break;
 396
 397         case ToolbarModel::SECURITY_WARNING:
 398         case ToolbarModel::SECURITY_POLICY_WARNING:
 399           return GetColor(security_level, DEEMPHASIZED_TEXT);
 400           break;
 401
 402         case ToolbarModel::SECURITY_ERROR:
 403           color = SkColorSetRGB(162, 0, 0);
 404           break;
 405
 406         default:
 407           NOTREACHED();
 408           return GetColor(security_level, TEXT);
 409       }
 410       return color_utils::GetReadableColor(
 411           color, GetColor(security_level, BACKGROUND));
 412     }
 413
 414     default:
 415       NOTREACHED();
 416       return GetColor(security_level, TEXT);
 417   }
 418 }
 419
 420 void LocationBarView::ZoomChangedForActiveTab(bool can_show_bubble) {
 421   DCHECK(zoom_view_);
 422   if (RefreshZoomView()) {
 423     Layout();
 424     SchedulePaint();
 425   }
 426
 427   WebContents* web_contents = GetWebContents();
 428   if (can_show_bubble && zoom_view_->visible() && web_contents)
 429     ZoomBubbleView::ShowBubble(web_contents, true);
 430 }
 431
 432 void LocationBarView::SetPreviewEnabledPageAction(ExtensionAction* page_action,
 433                                                   bool preview_enabled) {
 434   if (is_popup_mode_)
 435     return;
 436
 437   DCHECK(page_action);
 438   WebContents* web_contents = GetWebContents();
 439
 440   RefreshPageActionViews();
 441   PageActionWithBadgeView* page_action_view =
 442       static_cast<PageActionWithBadgeView*>(GetPageActionView(page_action));
 443   DCHECK(page_action_view);
 444   if (!page_action_view)
 445     return;
 446
 447   page_action_view->image_view()->set_preview_enabled(preview_enabled);
 448   page_action_view->UpdateVisibility(web_contents);
 449   Layout();
 450   SchedulePaint();
 451 }
 452
 453 PageActionWithBadgeView* LocationBarView::GetPageActionView(
 454     ExtensionAction* page_action) {
 455   DCHECK(page_action);
 456   for (PageActionViews::const_iterator i(page_action_views_.begin());
 457        i != page_action_views_.end(); ++i) {
 458     if ((*i)->image_view()->extension_action() == page_action)
 459       return *i;
 460   }
 461   return NULL;
 462 }
 463
 464 void LocationBarView::SetStarToggled(bool on) {
 465   if (star_view_)
 466     star_view_->SetToggled(on);
 467 }
 468
 469 void LocationBarView::SetTranslateIconToggled(bool on) {
 470   translate_icon_view_->SetToggled(on);
 471 }
 472
 473 gfx::Point LocationBarView::GetOmniboxViewOrigin() const {
 474   gfx::Point origin(omnibox_view_->bounds().origin());
 475   origin.set_x(GetMirroredXInView(origin.x() - current_omnibox_offset_));
 476   views::View::ConvertPointToScreen(this, &origin);
 477   return origin;
 478 }
 479
 480 void LocationBarView::SetImeInlineAutocompletion(const base::string16& text) {
 481   ime_inline_autocomplete_view_->SetText(text);
 482   ime_inline_autocomplete_view_->SetVisible(!text.empty());
 483 }
 484
 485 void LocationBarView::SetGrayTextAutocompletion(const base::string16& text) {
 486   if (suggested_text_view_->text() != text) {
 487     suggested_text_view_->SetText(text);
 488     suggested_text_view_->SetVisible(!text.empty());
 489     Layout();
 490     SchedulePaint();
 491   }
 492 }
 493
 494 base::string16 LocationBarView::GetGrayTextAutocompletion() const {
 495   return HasValidSuggestText() ?
 496       suggested_text_view_->text() : base::string16();
 497 }
 498
 499 void LocationBarView::SetShowFocusRect(bool show) {
 500   show_focus_rect_ = show;
 501   SchedulePaint();
 502 }
 503
 504 void LocationBarView::SelectAll() {
 505   omnibox_view_->SelectAll(true);
 506 }
 507
 508 gfx::Point LocationBarView::GetLocationBarAnchorPoint() const {
 509   // The +1 in the next line creates a 1-px gap between icon and arrow tip.
 510   gfx::Point icon_bottom(0, location_icon_view_->GetImageBounds().bottom() -
 511       LocationBarView::kIconInternalPadding + 1);
 512   gfx::Point icon_center(location_icon_view_->GetImageBounds().CenterPoint());
 513   gfx::Point point(icon_center.x(), icon_bottom.y());
 514   ConvertPointToTarget(location_icon_view_, this, &point);
 515   return point;
 516 }
 517
 518 views::View* LocationBarView::generated_credit_card_view() {
 519   return generated_credit_card_view_;
 520 }
 521
 522 int LocationBarView::GetInternalHeight(bool use_preferred_size) {
 523   int total_height =
 524       use_preferred_size ? GetPreferredSize().height() : height();
 525   return std::max(total_height - (vertical_edge_thickness() * 2), 0);
 526 }
 527
 528 void LocationBarView::GetOmniboxPopupPositioningInfo(
 529     gfx::Point* top_left_screen_coord,
 530     int* popup_width,
 531     int* left_margin,
 532     int* right_margin) {
 533   // Because the popup might appear atop the attached bookmark bar, there won't
 534   // necessarily be a client edge separating it from the rest of the toolbar.
 535   // Therefore we position the popup high enough so it can draw its own client
 536   // edge at the top, in the same place the toolbar would normally draw the
 537   // client edge.
 538   *top_left_screen_coord = gfx::Point(
 539       0,
 540       parent()->height() - views::NonClientFrameView::kClientEdgeThickness);
 541   views::View::ConvertPointToScreen(parent(), top_left_screen_coord);
 542   *popup_width = parent()->width();
 543
 544   gfx::Rect location_bar_bounds(bounds());
 545   location_bar_bounds.Inset(kNormalEdgeThickness, 0);
 546   *left_margin = location_bar_bounds.x();
 547   *right_margin = *popup_width - location_bar_bounds.right();
 548 }
 549
 550 ////////////////////////////////////////////////////////////////////////////////
 551 // LocationBarView, public LocationBar implementation:
 552
 553 void LocationBarView::FocusLocation(bool select_all) {
 554   omnibox_view_->SetFocus();
 555   if (select_all)
 556     omnibox_view_->SelectAll(true);
 557 }
 558
 559 void LocationBarView::Revert() {
 560   omnibox_view_->RevertAll();
 561 }
 562
 563 OmniboxView* LocationBarView::GetOmniboxView() {
 564   return omnibox_view_;
 565 }
 566
 567 ////////////////////////////////////////////////////////////////////////////////
 568 // LocationBarView, public views::View implementation:
 569
 570 bool LocationBarView::HasFocus() const {
 571   return omnibox_view_->model()->has_focus();
 572 }
 573
 574 void LocationBarView::GetAccessibleState(ui::AXViewState* state) {
 575   state->role = ui::AX_ROLE_GROUP;
 576 }
 577
 578 gfx::Size LocationBarView::GetPreferredSize() const {
 579   // Compute minimum height.
 580   gfx::Size min_size(border_painter_->GetMinimumSize());
 581   if (!IsInitialized())
 582     return min_size;
 583   gfx::Size search_button_min_size(search_button_->GetMinimumSize());
 584   min_size.SetToMax(search_button_min_size);
 585
 586   // Compute width of omnibox-leading content.
 587   const int horizontal_edge_thickness = GetHorizontalEdgeThickness();
 588   int leading_width = horizontal_edge_thickness;
 589   // TODO(pkasting): Make the origin chip min width sane, and make the chip
 590   // handle being shrunken down more gracefully; then uncomment this.
 591   /*if (GetToolbarModel()->ShouldShowOriginChip())
 592     leading_width += origin_chip_view_->GetMinimumSize().width();*/
 593   if (ShouldShowKeywordBubble()) {
 594     // The selected keyword view can collapse completely.
 595   } else if (ShouldShowEVBubble()) {
 596     leading_width += kBubblePadding +
 597         ev_bubble_view_->GetMinimumSizeForLabelText(
 598             GetToolbarModel()->GetEVCertName()).width();
 599   } else if (!origin_chip_view_->visible()) {
 600     leading_width +=
 601         kItemPadding + location_icon_view_->GetMinimumSize().width();
 602   }
 603
 604   // Compute width of omnibox-trailing content.
 605   int trailing_width = search_button_->visible() ?
 606       (search_button_->GetMinimumSize().width() + kSearchButtonInset) :
 607       horizontal_edge_thickness;
 608   trailing_width += IncrementalMinimumWidth(star_view_) +
 609       IncrementalMinimumWidth(translate_icon_view_) +
 610       IncrementalMinimumWidth(open_pdf_in_reader_view_) +
 611       IncrementalMinimumWidth(manage_passwords_icon_view_) +
 612       IncrementalMinimumWidth(zoom_view_) +
 613       IncrementalMinimumWidth(generated_credit_card_view_) +
 614       IncrementalMinimumWidth(mic_search_view_);
 615   for (PageActionViews::const_iterator i(page_action_views_.begin());
 616        i != page_action_views_.end(); ++i)
 617     trailing_width += IncrementalMinimumWidth((*i));
 618   for (ContentSettingViews::const_iterator i(content_setting_views_.begin());
 619        i != content_setting_views_.end(); ++i)
 620     trailing_width += IncrementalMinimumWidth((*i));
 621
 622   min_size.set_width(leading_width + omnibox_view_->GetMinimumSize().width() +
 623       2 * kItemPadding - omnibox_view_->GetInsets().width() + trailing_width);
 624   return min_size;
 625 }
 626
 627 void LocationBarView::Layout() {
 628   if (!IsInitialized())
 629     return;
 630
 631   origin_chip_view_->SetVisible(GetToolbarModel()->ShouldShowOriginChip());
 632   selected_keyword_view_->SetVisible(false);
 633   location_icon_view_->SetVisible(false);
 634   ev_bubble_view_->SetVisible(false);
 635   keyword_hint_view_->SetVisible(false);
 636
 637   LocationBarLayout leading_decorations(
 638       LocationBarLayout::LEFT_EDGE,
 639       kItemPadding - omnibox_view_->GetInsets().left() -
 640           GetEditLeadingInternalSpace());
 641   LocationBarLayout trailing_decorations(
 642       LocationBarLayout::RIGHT_EDGE,
 643       kItemPadding - omnibox_view_->GetInsets().right());
 644
 645   const int origin_chip_preferred_width =
 646       origin_chip_view_->GetPreferredSize().width();
 647   const int origin_chip_width =
 648       origin_chip_view_->visible() ? origin_chip_preferred_width : 0;
 649   // Always give the origin chip view its desired size and lay it out, even when
 650   // it's not visible, so we can calculate the correct animation values below
 651   // when switching to tabs that have the origin chip hidden.
 652   origin_chip_view_->SetBounds(0, 0, origin_chip_preferred_width, height());
 653   origin_chip_view_->Layout();
 654
 655   const int bubble_location_y = vertical_edge_thickness() + kBubblePadding;
 656   const base::string16 keyword(omnibox_view_->model()->keyword());
 657   // In some cases (e.g. fullscreen mode) we may have 0 height.  We still want
 658   // to position our child views in this case, because other things may be
 659   // positioned relative to them (e.g. the "bookmark added" bubble if the user
 660   // hits ctrl-d).
 661   const int location_height = GetInternalHeight(false);
 662   const int bubble_height = std::max(location_height - (kBubblePadding * 2), 0);
 663   if (ShouldShowKeywordBubble()) {
 664     leading_decorations.AddDecoration(bubble_location_y, bubble_height, true, 0,
 665                                       kBubblePadding, kItemPadding,
 666                                       selected_keyword_view_);
 667     if (selected_keyword_view_->keyword() != keyword) {
 668       selected_keyword_view_->SetKeyword(keyword);
 669       const TemplateURL* template_url =
 670           TemplateURLServiceFactory::GetForProfile(profile())->
 671           GetTemplateURLForKeyword(keyword);
 672       if (template_url &&
 673           (template_url->GetType() == TemplateURL::OMNIBOX_API_EXTENSION)) {
 674         gfx::Image image = extensions::OmniboxAPI::Get(profile())->
 675             GetOmniboxIcon(template_url->GetExtensionId());
 676         selected_keyword_view_->SetImage(image.AsImageSkia());
 677         selected_keyword_view_->set_is_extension_icon(true);
 678       } else {
 679         selected_keyword_view_->SetImage(
 680             *(GetThemeProvider()->GetImageSkiaNamed(IDR_OMNIBOX_SEARCH)));
 681         selected_keyword_view_->set_is_extension_icon(false);
 682       }
 683     }
 684   } else if (ShouldShowEVBubble()) {
 685     ev_bubble_view_->SetLabel(GetToolbarModel()->GetEVCertName());
 686     // The largest fraction of the omnibox that can be taken by the EV bubble.
 687     const double kMaxBubbleFraction = 0.5;
 688     leading_decorations.AddDecoration(bubble_location_y, bubble_height, false,
 689                                       kMaxBubbleFraction, kBubblePadding,
 690                                       kItemPadding, ev_bubble_view_);
 691   } else if (!origin_chip_view_->visible()) {
 692     leading_decorations.AddDecoration(
 693         vertical_edge_thickness(), location_height,
 694         location_icon_view_);
 695   }
 696
 697   if (star_view_->visible()) {
 698     trailing_decorations.AddDecoration(
 699         vertical_edge_thickness(), location_height, star_view_);
 700   }
 701   if (translate_icon_view_->visible()) {
 702     trailing_decorations.AddDecoration(
 703         vertical_edge_thickness(), location_height, translate_icon_view_);
 704   }
 705   if (open_pdf_in_reader_view_->visible()) {
 706     trailing_decorations.AddDecoration(
 707         vertical_edge_thickness(), location_height, open_pdf_in_reader_view_);
 708   }
 709   if (manage_passwords_icon_view_->visible()) {
 710     trailing_decorations.AddDecoration(vertical_edge_thickness(),
 711                                        location_height,
 712                                        manage_passwords_icon_view_);
 713   }
 714   for (PageActionViews::const_iterator i(page_action_views_.begin());
 715        i != page_action_views_.end(); ++i) {
 716     if ((*i)->visible()) {
 717       trailing_decorations.AddDecoration(
 718           vertical_edge_thickness(), location_height, (*i));
 719     }
 720   }
 721   if (zoom_view_->visible()) {
 722     trailing_decorations.AddDecoration(vertical_edge_thickness(),
 723                                        location_height, zoom_view_);
 724   }
 725   for (ContentSettingViews::const_reverse_iterator i(
 726            content_setting_views_.rbegin()); i != content_setting_views_.rend();
 727        ++i) {
 728     if ((*i)->visible()) {
 729       trailing_decorations.AddDecoration(
 730           bubble_location_y, bubble_height, false, 0, kItemPadding,
 731           kItemPadding, (*i));
 732     }
 733   }
 734   if (generated_credit_card_view_->visible()) {
 735     trailing_decorations.AddDecoration(vertical_edge_thickness(),
 736                                        location_height,
 737                                        generated_credit_card_view_);
 738   }
 739   if (mic_search_view_->visible()) {
 740     trailing_decorations.AddDecoration(vertical_edge_thickness(),
 741                                        location_height, mic_search_view_);
 742   }
 743   // Because IMEs may eat the tab key, we don't show "press tab to search" while
 744   // IME composition is in progress.
 745   if (!keyword.empty() && omnibox_view_->model()->is_keyword_hint() &&
 746       !omnibox_view_->IsImeComposing()) {
 747     trailing_decorations.AddDecoration(vertical_edge_thickness(),
 748                                        location_height, true, 0, kItemPadding,
 749                                        kItemPadding, keyword_hint_view_);
 750     if (keyword_hint_view_->keyword() != keyword)
 751       keyword_hint_view_->SetKeyword(keyword);
 752   }
 753
 754   // Perform layout.
 755   const int horizontal_edge_thickness = GetHorizontalEdgeThickness();
 756   int full_width = width() - horizontal_edge_thickness - origin_chip_width;
 757
 758   const gfx::Size search_button_size(search_button_->GetPreferredSize());
 759   const int search_button_reserved_width =
 760       search_button_size.width() + kSearchButtonInset;
 761   full_width -= search_button_->visible() ?
 762       search_button_reserved_width : horizontal_edge_thickness;
 763   int entry_width = full_width;
 764   leading_decorations.LayoutPass1(&entry_width);
 765   trailing_decorations.LayoutPass1(&entry_width);
 766   leading_decorations.LayoutPass2(&entry_width);
 767   trailing_decorations.LayoutPass2(&entry_width);
 768
 769   int location_needed_width = omnibox_view_->GetTextWidth();
 770   int available_width = entry_width - location_needed_width;
 771   // The bounds must be wide enough for all the decorations to fit.
 772   gfx::Rect location_bounds(
 773       origin_chip_width + horizontal_edge_thickness, vertical_edge_thickness(),
 774       std::max(full_width, full_width - entry_width), location_height);
 775   leading_decorations.LayoutPass3(&location_bounds, &available_width);
 776   trailing_decorations.LayoutPass3(&location_bounds, &available_width);
 777
 778   // Calculate the animation parameters (see comments on these members in the
 779   // header).  We have to do this in Layout, after |origin_chip_view_| is laid
 780   // out, because that may affect the host label offset in the origin chip.
 781   const base::string16& chip_text(origin_chip_view_->host_label_text());
 782   // If the chip is clicked, the omnibox text will become the toolbar model's
 783   // formatted URL.  We can't ask the omnibox for its current text, because
 784   // while the chip is visible the current text is empty.
 785   size_t prefix_end = 0;
 786   const base::string16& omnibox_text(
 787       GetToolbarModel()->GetFormattedURL(&prefix_end));
 788   // Do a case-insensitive search to better match cases like
 789   // "Settings" <-> "chrome://settings".  Skip any pre-hostname text.
 790   size_t chip_text_offset = std::search(
 791       omnibox_text.begin() + prefix_end, omnibox_text.end(),
 792       chip_text.begin(), chip_text.end(),
 793       base::CaseInsensitiveCompare<base::char16>()) - omnibox_text.begin();
 794   // If we couldn't find the chip text, try checking whether the omnibox text
 795   // starts with it, as is true for e.g. file: URLs.
 796   if ((chip_text_offset >= omnibox_text.length()) &&
 797       StartsWith(omnibox_text, chip_text, true))
 798     chip_text_offset = 0;
 799   const gfx::FontList& font_list = omnibox_view_->GetFontList();
 800   const int chip_text_width = gfx::GetStringWidth(chip_text, font_list);
 801   const int old_starting_offset = starting_omnibox_offset_;
 802   const int old_starting_leading_inset = starting_omnibox_leading_inset_;
 803   const int old_ending_width = ending_omnibox_width_;
 804   starting_omnibox_offset_ = current_omnibox_offset_ = 0;
 805   starting_omnibox_leading_inset_ = current_omnibox_leading_inset_ = 0;
 806   ending_omnibox_width_ = gfx::GetStringWidth(omnibox_text, font_list);
 807   if (chip_text_offset < omnibox_text.length()) {
 808     if (base::i18n::IsRTL())
 809       chip_text_offset += chip_text.length();
 810     base::string16 extra_omnibox_text(base::i18n::IsRTL() ?
 811         omnibox_text.substr(chip_text_offset) :
 812         omnibox_text.substr(0, chip_text_offset));
 813     starting_omnibox_leading_inset_ =
 814         gfx::GetStringWidth(extra_omnibox_text, font_list);
 815     starting_omnibox_offset_ = origin_chip_view_->HostLabelOffset() -
 816         starting_omnibox_leading_inset_;
 817     current_omnibox_width_ = chip_text_width;
 818   } else {
 819     // If the chip text wasn't found in the omnibox text, then instead of
 820     // starting the show animation clipped to the "hostname", we'll start with
 821     // the entire omnibox text visible, clipped to the remaining chip width, and
 822     // only animate any necessary expansion of that width, without moving the
 823     // omnibox bounds.
 824     current_omnibox_width_ = origin_chip_view_->WidthFromStartOfLabels();
 825   }
 826
 827   // End the animations immediately if the parameters have changed.
 828   if ((starting_omnibox_offset_ != old_starting_offset) ||
 829       (starting_omnibox_leading_inset_ != old_starting_leading_inset) ||
 830       (ending_omnibox_width_ != old_ending_width))
 831     EndOriginChipAnimations(true);
 832
 833   // Also end the animations immediately if there's nothing to animate (but do
 834   // allow the chip to fade back in).
 835   const ui::NativeTheme* native_theme = GetNativeTheme();
 836   const SkColor ending_selection_text_color = native_theme->GetSystemColor(
 837       ui::NativeTheme::kColorId_TextfieldSelectionColor);
 838   const SkColor ending_selection_background_color =
 839       native_theme->GetSystemColor(
 840           ui::NativeTheme::kColorId_TextfieldSelectionBackgroundFocused);
 841   if ((starting_omnibox_offset_ == 0) &&
 842       (starting_omnibox_leading_inset_ == 0) &&
 843       (ending_omnibox_width_ == chip_text_width) &&
 844       (hide_url_animation_->is_animating() ||
 845        ((ending_selection_text_color ==
 846             origin_chip_view_->pressed_text_color()) &&
 847         (ending_selection_background_color ==
 848             origin_chip_view_->pressed_background_color()))))
 849     EndOriginChipAnimations(false);
 850
 851   if (show_url_animation_->is_animating()) {
 852     omnibox_view_->SetSelectionTextColor(gfx::Tween::ColorValueBetween(
 853         show_url_animation_->GetCurrentValue(),
 854         origin_chip_view_->pressed_text_color(),
 855         ending_selection_text_color));
 856     omnibox_view_->SetSelectionBackgroundColor(gfx::Tween::ColorValueBetween(
 857         show_url_animation_->GetCurrentValue(),
 858         origin_chip_view_->pressed_background_color(),
 859         ending_selection_background_color));
 860     current_omnibox_offset_ =
 861         show_url_animation_->CurrentValueBetween(starting_omnibox_offset_, 0);
 862     current_omnibox_leading_inset_ = show_url_animation_->CurrentValueBetween(
 863         starting_omnibox_leading_inset_, 0);
 864     current_omnibox_width_ = show_url_animation_->CurrentValueBetween(
 865         chip_text_width, ending_omnibox_width_);
 866   } else if (hide_url_animation_->is_animating()) {
 867     current_omnibox_offset_ =
 868         hide_url_animation_->CurrentValueBetween(0, starting_omnibox_offset_);
 869     current_omnibox_leading_inset_ = hide_url_animation_->CurrentValueBetween(
 870         0, starting_omnibox_leading_inset_);
 871     current_omnibox_width_ = hide_url_animation_->CurrentValueBetween(
 872         ending_omnibox_width_, chip_text_width);
 873   }
 874   // Contract |available_width| as necessary, but never expand it.  This way,
 875   // we'll never draw suggested text at first and then have it disappear
 876   // midway through the animation.
 877   if (current_omnibox_offset_ > 0)
 878     available_width -= current_omnibox_offset_;
 879   location_bounds.Inset(current_omnibox_offset_, 0, 0, 0);
 880
 881   // Layout out the suggested text view right aligned to the location
 882   // entry. Only show the suggested text if we can fit the text from one
 883   // character before the end of the selection to the end of the text and the
 884   // suggested text. If we can't it means either the suggested text is too big,
 885   // or the user has scrolled.
 886
 887   // TODO(sky): We could potentially adjust this to take into account suggested
 888   // text to force using minimum size if necessary, but currently the chance of
 889   // showing keyword hints and suggested text is minimal and we're not confident
 890   // this is the right approach for suggested text.
 891
 892   int omnibox_view_margin = 0;
 893   if (suggested_text_view_->visible()) {
 894     // We do not display the suggested text when it contains a mix of RTL and
 895     // LTR characters since this could mean the suggestion should be displayed
 896     // in the middle of the string.
 897     base::i18n::TextDirection text_direction =
 898         base::i18n::GetStringDirection(omnibox_view_->GetText());
 899     if (text_direction !=
 900         base::i18n::GetStringDirection(suggested_text_view_->text()))
 901       text_direction = base::i18n::UNKNOWN_DIRECTION;
 902
 903     // TODO(sky): need to layout when the user changes caret position.
 904     gfx::Size suggested_text_size(suggested_text_view_->GetPreferredSize());
 905     if (suggested_text_size.width() > available_width ||
 906         text_direction == base::i18n::UNKNOWN_DIRECTION) {
 907       // Hide the suggested text if the user has scrolled or we can't fit all
 908       // the suggested text, or we have a mix of RTL and LTR characters.
 909       suggested_text_view_->SetBounds(0, 0, 0, 0);
 910     } else {
 911       location_needed_width =
 912           std::min(location_needed_width,
 913                    location_bounds.width() - suggested_text_size.width());
 914       gfx::Rect suggested_text_bounds(location_bounds.x(), location_bounds.y(),
 915                                       suggested_text_size.width(),
 916                                       location_bounds.height());
 917       // TODO(sky): figure out why this needs the -1.
 918       suggested_text_bounds.Offset(location_needed_width - 1, 0);
 919
 920       // We reverse the order of the location entry and suggested text if:
 921       // - Chrome is RTL but the text is fully LTR, or
 922       // - Chrome is LTR but the text is fully RTL.
 923       // This ensures the suggested text is correctly displayed to the right
 924       // (or left) of the user text.
 925       if (text_direction == (base::i18n::IsRTL() ?
 926           base::i18n::LEFT_TO_RIGHT : base::i18n::RIGHT_TO_LEFT)) {
 927         // TODO(sky): Figure out why we need the +1.
 928         suggested_text_bounds.set_x(location_bounds.x() + 1);
 929         // Use a margin to prevent omnibox text from overlapping suggest text.
 930         omnibox_view_margin = suggested_text_bounds.width();
 931       }
 932       suggested_text_view_->SetBoundsRect(suggested_text_bounds);
 933     }
 934   }
 935
 936   omnibox_view_->SetBorder(
 937       views::Border::CreateEmptyBorder(0, 0, 0, omnibox_view_margin));
 938
 939   // Layout |ime_inline_autocomplete_view_| next to the user input.
 940   if (ime_inline_autocomplete_view_->visible()) {
 941     int width =
 942         gfx::GetStringWidth(ime_inline_autocomplete_view_->text(),
 943                             ime_inline_autocomplete_view_->font_list()) +
 944         ime_inline_autocomplete_view_->GetInsets().width();
 945     // All the target languages (IMEs) are LTR, and we do not need to support
 946     // RTL so far.  In other words, no testable RTL environment so far.
 947     int x = location_needed_width;
 948     if (width > entry_width)
 949       x = 0;
 950     else if (location_needed_width + width > entry_width)
 951       x = entry_width - width;
 952     location_bounds.set_width(x);
 953     ime_inline_autocomplete_view_->SetBounds(
 954         location_bounds.right(), location_bounds.y(),
 955         std::min(width, entry_width), location_bounds.height());
 956   }
 957
 958   omnibox_view_->SetBoundsRect(location_bounds);
 959
 960   search_button_->SetBoundsRect(gfx::Rect(
 961       gfx::Point(width() - search_button_reserved_width, 0),
 962       search_button_size));
 963 }
 964
 965 ////////////////////////////////////////////////////////////////////////////////
 966 // LocationBarView, public OmniboxEditController implementation:
 967
 968 void LocationBarView::Update(const WebContents* contents) {
 969   mic_search_view_->SetVisible(
 970       !GetToolbarModel()->input_in_progress() && browser_ &&
 971       browser_->search_model()->voice_search_supported());
 972   RefreshContentSettingViews();
 973   generated_credit_card_view_->Update();
 974   RefreshZoomView();
 975   RefreshPageActionViews();
 976   RefreshTranslateIcon();
 977   RefreshManagePasswordsIconView();
 978   content::WebContents* web_contents_for_sub_views =
 979       GetToolbarModel()->input_in_progress() ? NULL : GetWebContents();
 980   open_pdf_in_reader_view_->Update(web_contents_for_sub_views);
 981
 982   if (star_view_)
 983     UpdateBookmarkStarVisibility();
 984
 985   if (contents)
 986     omnibox_view_->OnTabChanged(contents);
 987   else
 988     omnibox_view_->Update();
 989
 990   OnChanged();  // NOTE: Calls Layout().
 991 }
 992
 993 void LocationBarView::ShowURL() {
 994   // Start the animation before calling ShowURL(), since the latter eventually
 995   // calls back to Layout(), and if the animation is not marked as "running",
 996   // we'll draw the omnibox in its final position briefly until the first
 997   // animation callback reaches us.
 998   if (chrome::ShouldDisplayOriginChip()) {
 999     // If we're currently hiding, reverse the hide by swapping to the show
1000     // animation, offset so that the text is in the same position.
1001     if (hide_url_animation_->is_animating()) {
1002       const double show_value = GetValueForAnimation(false);
1003       hide_url_animation_->Reset();
1004       show_url_animation_->Show();
1005       // This must be done after calling Show() and is not equivalent to
1006       // calling Reset(n) before Show(); Reset() would have caused the entire
1007       // animation curve (and time) to run between this value and the final
1008       // value, whereas Show() + SetCurrentValue() skips the animation forward
1009       // to the supplied value.
1010       show_url_animation_->SetCurrentValue(show_value);
1011     } else {
1012       show_url_animation_->Show();
1013     }
1014   }
1015   omnibox_view_->ShowURL();
1016 }
1017
1018 void LocationBarView::EndOriginChipAnimations(bool cancel_fade) {
1019   show_url_animation_->End();
1020   hide_url_animation_->End();
1021   if (cancel_fade)
1022     origin_chip_view_->CancelFade();
1023 }
1024
1025 ToolbarModel* LocationBarView::GetToolbarModel() {
1026   return delegate_->GetToolbarModel();
1027 }
1028
1029 WebContents* LocationBarView::GetWebContents() {
1030   return delegate_->GetWebContents();
1031 }
1032
1033 ////////////////////////////////////////////////////////////////////////////////
1034 // LocationBarView, private:
1035
1036 // static
1037 int LocationBarView::IncrementalMinimumWidth(views::View* view) {
1038   return view->visible() ? (kItemPadding + view->GetMinimumSize().width()) : 0;
1039 }
1040
1041 int LocationBarView::GetHorizontalEdgeThickness() const {
1042   // In maximized popup mode, there isn't any edge.
1043   return (is_popup_mode_ && browser_ && browser_->window() &&
1044       browser_->window()->IsMaximized()) ? 0 : vertical_edge_thickness();
1045 }
1046
1047 bool LocationBarView::RefreshContentSettingViews() {
1048   bool visibility_changed = false;
1049   for (ContentSettingViews::const_iterator i(content_setting_views_.begin());
1050        i != content_setting_views_.end(); ++i) {
1051     const bool was_visible = (*i)->visible();
1052     (*i)->Update(GetToolbarModel()->input_in_progress() ?
1053         NULL : GetWebContents());
1054     if (was_visible != (*i)->visible())
1055       visibility_changed = true;
1056   }
1057   return visibility_changed;
1058 }
1059
1060 void LocationBarView::DeletePageActionViews() {
1061   for (PageActionViews::const_iterator i(page_action_views_.begin());
1062        i != page_action_views_.end(); ++i)
1063     RemoveChildView(*i);
1064   STLDeleteElements(&page_action_views_);
1065 }
1066
1067 bool LocationBarView::RefreshPageActionViews() {
1068   if (is_popup_mode_)
1069     return false;
1070
1071   bool changed = false;
1072   PageActions new_page_actions;
1073
1074   WebContents* web_contents = GetWebContents();
1075   if (web_contents) {
1076     extensions::TabHelper* extensions_tab_helper =
1077         extensions::TabHelper::FromWebContents(web_contents);
1078     extensions::LocationBarController* controller =
1079         extensions_tab_helper->location_bar_controller();
1080     new_page_actions = controller->GetCurrentActions();
1081   }
1082
1083   // On startup we sometimes haven't loaded any extensions. This makes sure
1084   // we catch up when the extensions (and any page actions) load.
1085   if (page_actions_ != new_page_actions) {
1086     changed = true;
1087
1088     page_actions_.swap(new_page_actions);
1089     DeletePageActionViews();  // Delete the old views (if any).
1090
1091     // Create the page action views.
1092     for (PageActions::const_iterator i = page_actions_.begin();
1093          i != page_actions_.end(); ++i) {
1094       PageActionWithBadgeView* page_action_view = new PageActionWithBadgeView(
1095           delegate_->CreatePageActionImageView(this, *i));
1096       page_action_view->SetVisible(false);
1097       page_action_views_.push_back(page_action_view);
1098     }
1099
1100     // Move rightmost extensions to the start.
1101     std::stable_partition(
1102         page_action_views_.begin(),
1103         page_action_views_.end(),
1104         IsPageActionViewRightAligned(
1105             extensions::ExtensionRegistry::Get(profile())));
1106
1107     View* right_anchor = open_pdf_in_reader_view_;
1108     if (!right_anchor)
1109       right_anchor = star_view_;
1110     DCHECK(right_anchor);
1111
1112     // |page_action_views_| are ordered right-to-left.  Add them as children in
1113     // reverse order so the logical order and visual order match for
1114     // accessibility purposes.
1115     for (PageActionViews::reverse_iterator i = page_action_views_.rbegin();
1116          i != page_action_views_.rend(); ++i)
1117       AddChildViewAt(*i, GetIndexOf(right_anchor));
1118   }
1119
1120   if (!page_action_views_.empty() && web_contents) {
1121     for (PageActionViews::const_iterator i(page_action_views_.begin());
1122          i != page_action_views_.end(); ++i) {
1123       bool old_visibility = (*i)->visible();
1124       (*i)->UpdateVisibility(
1125           GetToolbarModel()->input_in_progress() ? NULL : web_contents);
1126       changed |= old_visibility != (*i)->visible();
1127     }
1128   }
1129   return changed;
1130 }
1131
1132 bool LocationBarView::RefreshZoomView() {
1133   DCHECK(zoom_view_);
1134   WebContents* web_contents = GetWebContents();
1135   if (!web_contents)
1136     return false;
1137   const bool was_visible = zoom_view_->visible();
1138   zoom_view_->Update(ZoomController::FromWebContents(web_contents));
1139   if (!zoom_view_->visible())
1140     ZoomBubbleView::CloseBubble();
1141   return was_visible != zoom_view_->visible();
1142 }
1143
1144 void LocationBarView::RefreshTranslateIcon() {
1145   if (!TranslateService::IsTranslateBubbleEnabled())
1146     return;
1147
1148   WebContents* web_contents = GetWebContents();
1149   if (!web_contents)
1150     return;
1151   translate::LanguageState& language_state =
1152       ChromeTranslateClient::FromWebContents(web_contents)->GetLanguageState();
1153   bool enabled = language_state.translate_enabled();
1154   command_updater()->UpdateCommandEnabled(IDC_TRANSLATE_PAGE, enabled);
1155   translate_icon_view_->SetVisible(enabled);
1156   translate_icon_view_->SetToggled(language_state.IsPageTranslated());
1157   if (!enabled)
1158     TranslateBubbleView::CloseBubble();
1159 }
1160
1161 bool LocationBarView::RefreshManagePasswordsIconView() {
1162   DCHECK(manage_passwords_icon_view_);
1163   WebContents* web_contents = GetWebContents();
1164   if (!web_contents)
1165     return false;
1166   const bool was_visible = manage_passwords_icon_view_->visible();
1167   ManagePasswordsUIController::FromWebContents(
1168       web_contents)->UpdateIconAndBubbleState(manage_passwords_icon_view_);
1169   return was_visible != manage_passwords_icon_view_->visible();
1170 }
1171
1172 void LocationBarView::ShowFirstRunBubbleInternal() {
1173   // First run bubble doesn't make sense for Chrome OS.
1174 #if !defined(OS_CHROMEOS)
1175   WebContents* web_contents = delegate_->GetWebContents();
1176   if (!web_contents)
1177     return;
1178   Browser* browser = chrome::FindBrowserWithWebContents(web_contents);
1179   if (browser)
1180     FirstRunBubble::ShowBubble(browser, location_icon_view_);
1181 #endif
1182 }
1183
1184 bool LocationBarView::HasValidSuggestText() const {
1185   return suggested_text_view_->visible() &&
1186       !suggested_text_view_->size().IsEmpty();
1187 }
1188
1189 bool LocationBarView::ShouldShowKeywordBubble() const {
1190   return !omnibox_view_->model()->keyword().empty() &&
1191       !omnibox_view_->model()->is_keyword_hint();
1192 }
1193
1194 bool LocationBarView::ShouldShowEVBubble() const {
1195   return !chrome::ShouldDisplayOriginChip() &&
1196       (GetToolbarModel()->GetSecurityLevel(false) == ToolbarModel::EV_SECURE);
1197 }
1198
1199 double LocationBarView::GetValueForAnimation(bool hide) const {
1200   int calculated_offset;
1201   const gfx::Tween::Type tween_type = hide ? kHideTweenType : kShowTweenType;
1202   int start_offset = starting_omnibox_offset_, end_offset = 0;
1203   if (hide)
1204     std::swap(start_offset, end_offset);
1205   const int desired_offset = abs(current_omnibox_offset_);
1206   // Binary-search the value space (0 <= value <= 1) to find the appropriate
1207   // position.  We only bother to iterate to within 1/64 of the desired value,
1208   // because the longer of the two animations will only run for twelve frames
1209   // anyway (200 ms * 60 Hz), so at this point we'll have a maximum error of
1210   // less than a fifth of an animation frame, which the user isn't going to
1211   // notice.
1212   //
1213   // We have to use this method because Tween::CalculateValue() is not
1214   // necessarily easily invertible.  Luckily, this only runs when the user
1215   // reverses the animation (rare), and the limit on how many iterations we'll
1216   // do ensures the cost is unnoticeable.
1217   double value = 0.5;
1218   double step = value / 2;
1219   do {
1220     calculated_offset = abs(gfx::Tween::IntValueBetween(
1221         gfx::Tween::CalculateValue(tween_type, value), start_offset,
1222         end_offset));
1223     if (calculated_offset < desired_offset)
1224       value += step;
1225     else if (calculated_offset > desired_offset)
1226       value -= step;
1227     step /= 2;
1228   } while ((calculated_offset != desired_offset) && (step >= (1.0 / 64)));
1229   return value;
1230 }
1231
1232 void LocationBarView::ResetShowAnimationAndColors() {
1233   show_url_animation_->Reset();
1234   omnibox_view_->UseDefaultSelectionTextColor();
1235   omnibox_view_->UseDefaultSelectionBackgroundColor();
1236 }
1237
1238 ////////////////////////////////////////////////////////////////////////////////
1239 // LocationBarView, private LocationBar implementation:
1240
1241 void LocationBarView::ShowFirstRunBubble() {
1242   // Wait until search engines have loaded to show the first run bubble.
1243   TemplateURLService* url_service =
1244       TemplateURLServiceFactory::GetForProfile(profile());
1245   if (!url_service->loaded()) {
1246     template_url_service_ = url_service;
1247     template_url_service_->AddObserver(this);
1248     template_url_service_->Load();
1249     return;
1250   }
1251   ShowFirstRunBubbleInternal();
1252 }
1253
1254 GURL LocationBarView::GetDestinationURL() const {
1255   return destination_url();
1256 }
1257
1258 WindowOpenDisposition LocationBarView::GetWindowOpenDisposition() const {
1259   return disposition();
1260 }
1261
1262 ui::PageTransition LocationBarView::GetPageTransition() const {
1263   return transition();
1264 }
1265
1266 void LocationBarView::AcceptInput() {
1267   omnibox_view_->model()->AcceptInput(CURRENT_TAB, false);
1268 }
1269
1270 void LocationBarView::FocusSearch() {
1271   omnibox_view_->SetFocus();
1272   omnibox_view_->SetForcedQuery();
1273 }
1274
1275 void LocationBarView::UpdateContentSettingsIcons() {
1276   if (RefreshContentSettingViews()) {
1277     Layout();
1278     SchedulePaint();
1279   }
1280 }
1281
1282 void LocationBarView::UpdateManagePasswordsIconAndBubble() {
1283   if (RefreshManagePasswordsIconView()) {
1284     Layout();
1285     SchedulePaint();
1286   }
1287 }
1288
1289 void LocationBarView::UpdatePageActions() {
1290   if (RefreshPageActionViews()) {  // Changed.
1291     Layout();
1292     SchedulePaint();
1293   }
1294 }
1295
1296 void LocationBarView::InvalidatePageActions() {
1297   DeletePageActionViews();
1298 }
1299
1300 void LocationBarView::UpdateBookmarkStarVisibility() {
1301   if (star_view_) {
1302     star_view_->SetVisible(
1303         browser_defaults::bookmarks_enabled && !is_popup_mode_ &&
1304         !GetToolbarModel()->input_in_progress() &&
1305         edit_bookmarks_enabled_.GetValue() &&
1306         !IsBookmarkStarHiddenByExtension());
1307   }
1308 }
1309
1310 bool LocationBarView::ShowPageActionPopup(
1311     const extensions::Extension* extension,
1312     bool grant_tab_permissions) {
1313   ExtensionAction* extension_action =
1314       extensions::ExtensionActionManager::Get(profile())->GetPageAction(
1315           *extension);
1316   DCHECK(extension_action);
1317   return GetPageActionView(extension_action)->image_view()->view_controller()->
1318       ExecuteAction(grant_tab_permissions);
1319 }
1320
1321 void LocationBarView::UpdateOpenPDFInReaderPrompt() {
1322   open_pdf_in_reader_view_->Update(
1323       GetToolbarModel()->input_in_progress() ? NULL : GetWebContents());
1324   Layout();
1325   SchedulePaint();
1326 }
1327
1328 void LocationBarView::UpdateGeneratedCreditCardView() {
1329   generated_credit_card_view_->Update();
1330   Layout();
1331   SchedulePaint();
1332 }
1333
1334 void LocationBarView::SaveStateToContents(WebContents* contents) {
1335   // If we're about to switch tabs, complete any current animations, so that if
1336   // the user is in the midst of hiding the URL, when he returns to this tab,
1337   // the URL will be hidden rather than shown.
1338   // NOTE: This must be called before SaveStateToTab().
1339   EndOriginChipAnimations(true);
1340   omnibox_view_->SaveStateToTab(contents);
1341 }
1342
1343 const OmniboxView* LocationBarView::GetOmniboxView() const {
1344   return omnibox_view_;
1345 }
1346
1347 LocationBarTesting* LocationBarView::GetLocationBarForTesting() {
1348   return this;
1349 }
1350
1351 ////////////////////////////////////////////////////////////////////////////////
1352 // LocationBarView, private LocationBarTesting implementation:
1353
1354 int LocationBarView::PageActionCount() {
1355   return page_action_views_.size();
1356 }
1357
1358 int LocationBarView::PageActionVisibleCount() {
1359   int result = 0;
1360   for (size_t i = 0; i < page_action_views_.size(); i++) {
1361     if (page_action_views_[i]->visible())
1362       ++result;
1363   }
1364   return result;
1365 }
1366
1367 ExtensionAction* LocationBarView::GetPageAction(size_t index) {
1368   if (index < page_action_views_.size())
1369     return page_action_views_[index]->image_view()->extension_action();
1370
1371   NOTREACHED();
1372   return NULL;
1373 }
1374
1375 ExtensionAction* LocationBarView::GetVisiblePageAction(size_t index) {
1376   size_t current = 0;
1377   for (size_t i = 0; i < page_action_views_.size(); ++i) {
1378     if (page_action_views_[i]->visible()) {
1379       if (current == index)
1380         return page_action_views_[i]->image_view()->extension_action();
1381
1382       ++current;
1383     }
1384   }
1385
1386   NOTREACHED();
1387   return NULL;
1388 }
1389
1390 void LocationBarView::TestPageActionPressed(size_t index) {
1391   size_t current = 0;
1392   for (size_t i = 0; i < page_action_views_.size(); ++i) {
1393     if (page_action_views_[i]->visible()) {
1394       if (current == index) {
1395         page_action_views_[i]->image_view()->view_controller()->
1396             ExecuteAction(true);
1397         return;
1398       }
1399       ++current;
1400     }
1401   }
1402
1403   NOTREACHED();
1404 }
1405
1406 bool LocationBarView::GetBookmarkStarVisibility() {
1407   DCHECK(star_view_);
1408   return star_view_->visible();
1409 }
1410
1411 ////////////////////////////////////////////////////////////////////////////////
1412 // LocationBarView, private views::View implementation:
1413
1414 const char* LocationBarView::GetClassName() const {
1415   return kViewClassName;
1416 }
1417
1418 void LocationBarView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
1419   InstantServiceFactory::GetForProfile(profile())->OnOmniboxStartMarginChanged(
1420       bounds().x());
1421
1422   OmniboxPopupView* popup = omnibox_view_->model()->popup_model()->view();
1423   if (popup->IsOpen())
1424     popup->UpdatePopupAppearance();
1425 }
1426
1427 void LocationBarView::OnFocus() {
1428   // Explicitly focus the omnibox so a focus ring will be displayed around it on
1429   // Windows.
1430   omnibox_view_->SetFocus();
1431 }
1432
1433 void LocationBarView::OnPaint(gfx::Canvas* canvas) {
1434   View::OnPaint(canvas);
1435
1436   // Fill the location bar background color behind the border.  Parts of the
1437   // border images are meant to rest atop the toolbar background and parts atop
1438   // the omnibox background, so we can't just blindly fill our entire bounds.
1439   gfx::Rect bounds(GetContentsBounds());
1440   bounds.Inset(GetHorizontalEdgeThickness(), vertical_edge_thickness());
1441   SkColor color(GetColor(ToolbarModel::NONE, BACKGROUND));
1442   if (is_popup_mode_) {
1443     canvas->FillRect(bounds, color);
1444   } else {
1445     SkPaint paint;
1446     paint.setStyle(SkPaint::kFill_Style);
1447     paint.setColor(color);
1448     const int kBorderCornerRadius = 2;
1449     canvas->DrawRoundRect(bounds, kBorderCornerRadius, paint);
1450   }
1451
1452   // The border itself will be drawn in PaintChildren() since it includes an
1453   // inner shadow which should be drawn over the contents.
1454 }
1455
1456 void LocationBarView::PaintChildren(gfx::Canvas* canvas,
1457                                     const views::CullSet& cull_set) {
1458   // Paint all the children except for the omnibox itself, which may need to be
1459   // clipped if it's animating in, and the origin chip and the search button,
1460   // which will be painted after the border.
1461   for (int i = 0, count = child_count(); i < count; ++i) {
1462     views::View* child = child_at(i);
1463     if (!child->layer() && (child != omnibox_view_) &&
1464         (child != origin_chip_view_) && (child != search_button_))
1465       child->Paint(canvas, cull_set);
1466   }
1467
1468   {
1469     gfx::ScopedCanvas scoped_canvas(canvas);
1470     if (show_url_animation_->is_animating() ||
1471         hide_url_animation_->is_animating()) {
1472       gfx::Rect clip_rect(omnibox_view_->bounds());
1473       clip_rect.Inset(current_omnibox_leading_inset_, 0, 0, 0);
1474       clip_rect.set_width(current_omnibox_width_);
1475       clip_rect.set_x(GetMirroredXForRect(clip_rect));
1476       canvas->ClipRect(clip_rect);
1477     }
1478     omnibox_view_->Paint(canvas, cull_set);
1479   }
1480
1481   // For non-InstantExtendedAPI cases, if necessary, show focus rect. As we need
1482   // the focus rect to appear on top of children we paint here rather than
1483   // OnPaint().
1484   // Note: |Canvas::DrawFocusRect| paints a dashed rect with gray color.
1485   if (show_focus_rect_ && HasFocus())
1486     canvas->DrawFocusRect(omnibox_view_->bounds());
1487
1488   // Maximized popup windows don't draw the horizontal edges.  We implement this
1489   // by simply expanding the paint area outside the view by the edge thickness.
1490   gfx::Rect border_rect(GetContentsBounds());
1491   if (is_popup_mode_ && (GetHorizontalEdgeThickness() == 0))
1492     border_rect.Inset(-kPopupEdgeThickness, 0);
1493   views::Painter::PaintPainterAt(canvas, border_painter_.get(), border_rect);
1494
1495   // The origin chip and the search button must be painted after the border so
1496   // that the border shadow is not drawn over them.
1497   origin_chip_view_->Paint(canvas, cull_set);
1498   search_button_->Paint(canvas, cull_set);
1499 }
1500
1501 ////////////////////////////////////////////////////////////////////////////////
1502 // LocationBarView, private views::ButtonListener implementation:
1503
1504 void LocationBarView::ButtonPressed(views::Button* sender,
1505                                     const ui::Event& event) {
1506   if (sender == mic_search_view_) {
1507     command_updater()->ExecuteCommand(IDC_TOGGLE_SPEECH_INPUT);
1508     return;
1509   }
1510
1511   DCHECK_EQ(search_button_, sender);
1512   // TODO(pkasting): When macourteau adds UMA stats for this, wire them up here.
1513   omnibox_view_->model()->AcceptInput(
1514       ui::DispositionFromEventFlags(event.flags()), false);
1515 }
1516
1517 ////////////////////////////////////////////////////////////////////////////////
1518 // LocationBarView, private views::DragController implementation:
1519
1520 void LocationBarView::WriteDragDataForView(views::View* sender,
1521                                            const gfx::Point& press_pt,
1522                                            OSExchangeData* data) {
1523   DCHECK_NE(GetDragOperationsForView(sender, press_pt),
1524             ui::DragDropTypes::DRAG_NONE);
1525
1526   WebContents* web_contents = GetWebContents();
1527   FaviconTabHelper* favicon_tab_helper =
1528       FaviconTabHelper::FromWebContents(web_contents);
1529   gfx::ImageSkia favicon = favicon_tab_helper->GetFavicon().AsImageSkia();
1530   button_drag_utils::SetURLAndDragImage(web_contents->GetURL(),
1531                                         web_contents->GetTitle(),
1532                                         favicon,
1533                                         NULL,
1534                                         data,
1535                                         sender->GetWidget());
1536 }
1537
1538 int LocationBarView::GetDragOperationsForView(views::View* sender,
1539                                               const gfx::Point& p) {
1540   DCHECK((sender == location_icon_view_) || (sender == ev_bubble_view_) ||
1541          (sender == origin_chip_view_));
1542   WebContents* web_contents = delegate_->GetWebContents();
1543   return (web_contents && web_contents->GetURL().is_valid() &&
1544           (!GetOmniboxView()->IsEditingOrEmpty() ||
1545            sender == origin_chip_view_)) ?
1546       (ui::DragDropTypes::DRAG_COPY | ui::DragDropTypes::DRAG_LINK) :
1547       ui::DragDropTypes::DRAG_NONE;
1548 }
1549
1550 bool LocationBarView::CanStartDragForView(View* sender,
1551                                           const gfx::Point& press_pt,
1552                                           const gfx::Point& p) {
1553   return true;
1554 }
1555
1556 ////////////////////////////////////////////////////////////////////////////////
1557 // LocationBarView, private OmniboxEditController implementation:
1558
1559 void LocationBarView::OnChanged() {
1560   int icon_id = omnibox_view_->GetIcon();
1561   location_icon_view_->SetImage(GetThemeProvider()->GetImageSkiaNamed(icon_id));
1562   location_icon_view_->ShowTooltip(!GetOmniboxView()->IsEditingOrEmpty());
1563
1564   ToolbarModel* toolbar_model = GetToolbarModel();
1565   chrome::DisplaySearchButtonConditions conditions =
1566       chrome::GetDisplaySearchButtonConditions();
1567   bool meets_conditions =
1568       (conditions == chrome::DISPLAY_SEARCH_BUTTON_ALWAYS) ||
1569       ((conditions != chrome::DISPLAY_SEARCH_BUTTON_NEVER) &&
1570        (toolbar_model->WouldPerformSearchTermReplacement(true) ||
1571         ((conditions == chrome::DISPLAY_SEARCH_BUTTON_FOR_STR_OR_IIP) &&
1572          toolbar_model->input_in_progress())));
1573   search_button_->SetVisible(!is_popup_mode_ && meets_conditions);
1574   search_button_->UpdateIcon(icon_id == IDR_OMNIBOX_SEARCH);
1575
1576   origin_chip_view_->OnChanged();
1577
1578   Layout();
1579   SchedulePaint();
1580 }
1581
1582 void LocationBarView::OnSetFocus() {
1583   GetFocusManager()->SetFocusedView(this);
1584 }
1585
1586 InstantController* LocationBarView::GetInstant() {
1587   return delegate_->GetInstant();
1588 }
1589
1590 const ToolbarModel* LocationBarView::GetToolbarModel() const {
1591   return delegate_->GetToolbarModel();
1592 }
1593
1594 void LocationBarView::HideURL() {
1595   DCHECK(chrome::ShouldDisplayOriginChip());
1596
1597   // If we're currently showing, reverse the hide by swapping to the hide
1598   // animation, offset so that the text is in the same position.
1599   if (show_url_animation_->is_animating()) {
1600     const double hide_value = GetValueForAnimation(true);
1601     ResetShowAnimationAndColors();
1602     hide_url_animation_->Show();
1603     // This must be done after calling Show() and is not equivalent to Reset(n);
1604     // see comments in ShowURL().
1605     hide_url_animation_->SetCurrentValue(hide_value);
1606   } else {
1607     hide_url_animation_->Show();
1608   }
1609 }
1610
1611 ////////////////////////////////////////////////////////////////////////////////
1612 // LocationBarView, private DropdownBarHostDelegate implementation:
1613
1614 void LocationBarView::SetFocusAndSelection(bool select_all) {
1615   FocusLocation(select_all);
1616 }
1617
1618 void LocationBarView::SetAnimationOffset(int offset) {
1619   dropdown_animation_offset_ = offset;
1620 }
1621
1622 ////////////////////////////////////////////////////////////////////////////////
1623 // LocationBarView, private gfx::AnimationDelegate implementation:
1624
1625 void LocationBarView::AnimationProgressed(const gfx::Animation* animation) {
1626   DCHECK((animation == show_url_animation_.get()) ||
1627       (animation == hide_url_animation_.get()));
1628   Layout();
1629   SchedulePaint();
1630 }
1631
1632 void LocationBarView::AnimationEnded(const gfx::Animation* animation) {
1633   if (animation == show_url_animation_.get()) {
1634     ResetShowAnimationAndColors();
1635     Layout();
1636     SchedulePaint();
1637   } else {
1638     DCHECK(animation == hide_url_animation_.get());
1639     hide_url_animation_->Reset();
1640     origin_chip_view_->FadeIn();
1641     omnibox_view_->HideURL();  // Calls OnChanged(), triggering layout.
1642   }
1643 }
1644
1645 ////////////////////////////////////////////////////////////////////////////////
1646 // LocationBarView, private TemplateURLServiceObserver implementation:
1647
1648 void LocationBarView::OnTemplateURLServiceChanged() {
1649   template_url_service_->RemoveObserver(this);
1650   template_url_service_ = NULL;
1651   // If the browser is no longer active, let's not show the info bubble, as this
1652   // would make the browser the active window again.
1653   if (omnibox_view_ && omnibox_view_->GetWidget()->IsActive())
1654     ShowFirstRunBubble();
1655 }
1656
1657 ////////////////////////////////////////////////////////////////////////////////
1658 // LocationBarView, private SearchModelObserver implementation:
1659
1660 void LocationBarView::ModelChanged(const SearchModel::State& old_state,
1661                                    const SearchModel::State& new_state) {
1662   const bool visible = !GetToolbarModel()->input_in_progress() &&
1663       new_state.voice_search_supported;
1664   if (mic_search_view_->visible() != visible) {
1665     mic_search_view_->SetVisible(visible);
1666     Layout();
1667   }
1668 }