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      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/command_line.h"
     11 #include "base/i18n/rtl.h"
     12 #include "base/prefs/pref_service.h"
     13 #include "base/stl_util.h"
     14 #include "base/strings/utf_string_conversions.h"
     15 #include "chrome/app/chrome_command_ids.h"
     16 #include "chrome/browser/chrome_notification_types.h"
     17 #include "chrome/browser/command_updater.h"
     18 #include "chrome/browser/defaults.h"
     19 #include "chrome/browser/extensions/api/omnibox/omnibox_api.h"
     20 #include "chrome/browser/extensions/extension_service.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.h"
     29 #include "chrome/browser/search_engines/template_url_service.h"
     30 #include "chrome/browser/search_engines/template_url_service_factory.h"
     31 #include "chrome/browser/translate/chrome_translate_client.h"
     32 #include "chrome/browser/translate/translate_service.h"
     33 #include "chrome/browser/ui/browser.h"
     34 #include "chrome/browser/ui/browser_finder.h"
     35 #include "chrome/browser/ui/browser_instant_controller.h"
     36 #include "chrome/browser/ui/browser_window.h"
     37 #include "chrome/browser/ui/omnibox/location_bar_util.h"
     38 #include "chrome/browser/ui/omnibox/omnibox_popup_model.h"
     39 #include "chrome/browser/ui/omnibox/omnibox_popup_view.h"
     40 #include "chrome/browser/ui/passwords/manage_passwords_icon.h"
     41 #include "chrome/browser/ui/passwords/manage_passwords_ui_controller.h"
     42 #include "chrome/browser/ui/tabs/tab_strip_model.h"
     43 #include "chrome/browser/ui/view_ids.h"
     44 #include "chrome/browser/ui/views/browser_dialogs.h"
     45 #include "chrome/browser/ui/views/location_bar/add_to_app_launcher_view.h"
     46 #include "chrome/browser/ui/views/location_bar/content_setting_image_view.h"
     47 #include "chrome/browser/ui/views/location_bar/ev_bubble_view.h"
     48 #include "chrome/browser/ui/views/location_bar/generated_credit_card_view.h"
     49 #include "chrome/browser/ui/views/location_bar/keyword_hint_view.h"
     50 #include "chrome/browser/ui/views/location_bar/location_bar_layout.h"
     51 #include "chrome/browser/ui/views/location_bar/location_icon_view.h"
     52 #include "chrome/browser/ui/views/location_bar/open_pdf_in_reader_view.h"
     53 #include "chrome/browser/ui/views/location_bar/origin_chip_view.h"
     54 #include "chrome/browser/ui/views/location_bar/page_action_image_view.h"
     55 #include "chrome/browser/ui/views/location_bar/page_action_with_badge_view.h"
     56 #include "chrome/browser/ui/views/location_bar/search_button.h"
     57 #include "chrome/browser/ui/views/location_bar/selected_keyword_view.h"
     58 #include "chrome/browser/ui/views/location_bar/star_view.h"
     59 #include "chrome/browser/ui/views/location_bar/translate_icon_view.h"
     60 #include "chrome/browser/ui/views/location_bar/zoom_bubble_view.h"
     61 #include "chrome/browser/ui/views/location_bar/zoom_view.h"
     62 #include "chrome/browser/ui/views/passwords/manage_passwords_bubble_view.h"
     63 #include "chrome/browser/ui/views/passwords/manage_passwords_icon_view.h"
     64 #include "chrome/browser/ui/zoom/zoom_controller.h"
     65 #include "chrome/common/chrome_switches.h"
     66 #include "chrome/common/pref_names.h"
     67 #include "components/translate/core/browser/language_state.h"
     68 #include "content/public/browser/notification_service.h"
     69 #include "content/public/browser/render_widget_host_view.h"
     70 #include "content/public/browser/web_contents.h"
     71 #include "extensions/browser/extension_system.h"
     72 #include "extensions/common/feature_switch.h"
     73 #include "extensions/common/permissions/permissions_data.h"
     74 #include "grit/generated_resources.h"
     75 #include "grit/theme_resources.h"
     76 #include "ui/accessibility/ax_view_state.h"
     77 #include "ui/base/dragdrop/drag_drop_types.h"
     78 #include "ui/base/l10n/l10n_util.h"
     79 #include "ui/base/resource/resource_bundle.h"
     80 #include "ui/base/theme_provider.h"
     81 #include "ui/events/event.h"
     82 #include "ui/gfx/animation/slide_animation.h"
     83 #include "ui/gfx/canvas.h"
     84 #include "ui/gfx/color_utils.h"
     85 #include "ui/gfx/image/image.h"
     86 #include "ui/gfx/image/image_skia_operations.h"
     87 #include "ui/gfx/scoped_canvas.h"
     88 #include "ui/gfx/skia_util.h"
     89 #include "ui/gfx/text_utils.h"
     90 #include "ui/native_theme/native_theme.h"
     91 #include "ui/views/background.h"
     92 #include "ui/views/border.h"
     93 #include "ui/views/button_drag_utils.h"
     94 #include "ui/views/controls/button/image_button.h"
     95 #include "ui/views/controls/label.h"
     96 #include "ui/views/widget/widget.h"
     97 
     98 #if !defined(OS_CHROMEOS)
     99 #include "chrome/browser/ui/views/first_run_bubble.h"
    100 #endif
    101 
    102 using content::WebContents;
    103 using views::View;
    104 
    105 namespace {
    106 
    107 const gfx::Tween::Type kShowTweenType = gfx::Tween::LINEAR_OUT_SLOW_IN;
    108 const gfx::Tween::Type kHideTweenType = gfx::Tween::FAST_OUT_LINEAR_IN;
    109 
    110 // The search button images are made to look as if they overlay the normal edge
    111 // images, but to align things, the search button needs to be inset horizontally
    112 // by 1 px.
    113 const int kSearchButtonInset = 1;
    114 
    115 // Given a containing |height| and a |base_font_list|, shrinks the font size
    116 // until the font list will fit within |height| while having its cap height
    117 // vertically centered.  Returns the correctly-sized font list.
    118 //
    119 // The expected layout:
    120 //   +--------+-----------------------------------------------+------------+
    121 //   |        | y offset                                      | space      |
    122 //   |        +--------+-------------------+------------------+ above      |
    123 //   |        |        |                   | internal leading | cap height |
    124 //   | box    | font   | ascent (baseline) +------------------+------------+
    125 //   | height | height |                   | cap height                    |
    126 //   |        |        |-------------------+------------------+------------+
    127 //   |        |        | descent (height - baseline)          | space      |
    128 //   |        +--------+--------------------------------------+ below      |
    129 //   |        | space at bottom                               | cap height |
    130 //   +--------+-----------------------------------------------+------------+
    131 // Goal:
    132 //     center of box height == center of cap height
    133 //     (i.e. space above cap height == space below cap height)
    134 // Restrictions:
    135 //     y offset >= 0
    136 //     space at bottom >= 0
    137 //     (i.e. Entire font must be visible inside the box.)
    138 gfx::FontList GetLargestFontListWithHeightBound(
    139     const gfx::FontList& base_font_list,
    140     int height) {
    141   gfx::FontList font_list = base_font_list;
    142   for (int font_size = font_list.GetFontSize(); font_size > 1; --font_size) {
    143     const int internal_leading =
    144         font_list.GetBaseline() - font_list.GetCapHeight();
    145     // Some platforms don't support getting the cap height, and simply return
    146     // the entire font ascent from GetCapHeight().  Centering the ascent makes
    147     // the font look too low, so if GetCapHeight() returns the ascent, center
    148     // the entire font height instead.
    149     const int space =
    150         height - ((internal_leading != 0) ?
    151                   font_list.GetCapHeight() : font_list.GetHeight());
    152     const int y_offset = space / 2 - internal_leading;
    153     const int space_at_bottom = height - (y_offset + font_list.GetHeight());
    154     if ((y_offset >= 0) && (space_at_bottom >= 0))
    155       break;
    156     font_list = font_list.DeriveWithSizeDelta(-1);
    157   }
    158   return font_list;
    159 }
    160 
    161 int GetEditLeadingInternalSpace() {
    162   // The textfield has 1 px of whitespace before the text in the RTL case only.
    163   return base::i18n::IsRTL() ? 1 : 0;
    164 }
    165 
    166 // Functor for moving BookmarkManagerPrivate page actions to the right via
    167 // stable_partition.
    168 class IsPageActionViewRightAligned {
    169  public:
    170   explicit IsPageActionViewRightAligned(ExtensionService* extension_service)
    171       : extension_service_(extension_service) {}
    172 
    173   bool operator()(PageActionWithBadgeView* page_action_view) {
    174     return extension_service_
    175         ->GetExtensionById(
    176               page_action_view->image_view()->page_action()->extension_id(),
    177               false)
    178         ->permissions_data()
    179         ->HasAPIPermission(extensions::APIPermission::kBookmarkManagerPrivate);
    180   }
    181 
    182  private:
    183   ExtensionService* extension_service_;
    184 
    185   // NOTE: Can't DISALLOW_COPY_AND_ASSIGN as we pass this object by value to
    186   // std::stable_partition().
    187 };
    188 
    189 }  // namespace
    190 
    191 
    192 // LocationBarView -----------------------------------------------------------
    193 
    194 // static
    195 const int LocationBarView::kNormalEdgeThickness = 2;
    196 const int LocationBarView::kPopupEdgeThickness = 1;
    197 const int LocationBarView::kItemPadding = 3;
    198 const int LocationBarView::kIconInternalPadding = 2;
    199 const int LocationBarView::kBubblePadding = 1;
    200 const char LocationBarView::kViewClassName[] = "LocationBarView";
    201 
    202 LocationBarView::LocationBarView(Browser* browser,
    203                                  Profile* profile,
    204                                  CommandUpdater* command_updater,
    205                                  Delegate* delegate,
    206                                  bool is_popup_mode)
    207     : LocationBar(profile),
    208       OmniboxEditController(command_updater),
    209       browser_(browser),
    210       omnibox_view_(NULL),
    211       delegate_(delegate),
    212       origin_chip_view_(NULL),
    213       location_icon_view_(NULL),
    214       ev_bubble_view_(NULL),
    215       ime_inline_autocomplete_view_(NULL),
    216       selected_keyword_view_(NULL),
    217       suggested_text_view_(NULL),
    218       keyword_hint_view_(NULL),
    219       mic_search_view_(NULL),
    220       zoom_view_(NULL),
    221       generated_credit_card_view_(NULL),
    222       open_pdf_in_reader_view_(NULL),
    223       manage_passwords_icon_view_(NULL),
    224       translate_icon_view_(NULL),
    225       add_to_app_launcher_view_(NULL),
    226       star_view_(NULL),
    227       search_button_(NULL),
    228       is_popup_mode_(is_popup_mode),
    229       show_focus_rect_(false),
    230       template_url_service_(NULL),
    231       dropdown_animation_offset_(0),
    232       starting_omnibox_offset_(0),
    233       current_omnibox_offset_(0),
    234       starting_omnibox_leading_inset_(0),
    235       current_omnibox_leading_inset_(0),
    236       current_omnibox_width_(0),
    237       ending_omnibox_width_(0),
    238       weak_ptr_factory_(this) {
    239   edit_bookmarks_enabled_.Init(
    240       prefs::kEditBookmarksEnabled, profile->GetPrefs(),
    241       base::Bind(&LocationBarView::Update, base::Unretained(this),
    242                  static_cast<content::WebContents*>(NULL)));
    243 
    244   if (browser_)
    245     browser_->search_model()->AddObserver(this);
    246 }
    247 
    248 LocationBarView::~LocationBarView() {
    249   if (template_url_service_)
    250     template_url_service_->RemoveObserver(this);
    251   if (browser_)
    252     browser_->search_model()->RemoveObserver(this);
    253 }
    254 
    255 ////////////////////////////////////////////////////////////////////////////////
    256 // LocationBarView, public:
    257 
    258 void LocationBarView::Init() {
    259   // We need to be in a Widget, otherwise GetNativeTheme() may change and we're
    260   // not prepared for that.
    261   DCHECK(GetWidget());
    262 
    263   const int kOmniboxPopupBorderImages[] =
    264       IMAGE_GRID(IDR_OMNIBOX_POPUP_BORDER_AND_SHADOW);
    265   const int kOmniboxBorderImages[] = IMAGE_GRID(IDR_TEXTFIELD);
    266   border_painter_.reset(views::Painter::CreateImageGridPainter(
    267       is_popup_mode_ ? kOmniboxPopupBorderImages : kOmniboxBorderImages));
    268 
    269   location_icon_view_ = new LocationIconView(this);
    270   location_icon_view_->set_drag_controller(this);
    271   AddChildView(location_icon_view_);
    272 
    273   // Determine the main font.
    274   gfx::FontList font_list = ResourceBundle::GetSharedInstance().GetFontList(
    275       ResourceBundle::BaseFont);
    276   const int current_font_size = font_list.GetFontSize();
    277   const int desired_font_size = browser_defaults::kOmniboxFontPixelSize;
    278   if (current_font_size != desired_font_size) {
    279     font_list =
    280         font_list.DeriveWithSizeDelta(desired_font_size - current_font_size);
    281   }
    282   // Shrink large fonts to make them fit.
    283   // TODO(pkasting): Stretch the location bar instead in this case.
    284   const int location_height = GetInternalHeight(true);
    285   font_list = GetLargestFontListWithHeightBound(font_list, location_height);
    286 
    287   // Determine the font for use inside the bubbles.  The bubble background
    288   // images have 1 px thick edges, which we don't want to overlap.
    289   const int kBubbleInteriorVerticalPadding = 1;
    290   const int bubble_vertical_padding =
    291       (kBubblePadding + kBubbleInteriorVerticalPadding) * 2;
    292   const gfx::FontList bubble_font_list(
    293       GetLargestFontListWithHeightBound(
    294           font_list, location_height - bubble_vertical_padding));
    295 
    296   const SkColor background_color =
    297       GetColor(ToolbarModel::NONE, LocationBarView::BACKGROUND);
    298   ev_bubble_view_ = new EVBubbleView(
    299       bubble_font_list, GetColor(ToolbarModel::EV_SECURE, SECURITY_TEXT),
    300       background_color, this);
    301   ev_bubble_view_->set_drag_controller(this);
    302   AddChildView(ev_bubble_view_);
    303 
    304   // Initialize the Omnibox view.
    305   omnibox_view_ = new OmniboxViewViews(
    306       this, profile(), command_updater(),
    307       is_popup_mode_ ||
    308           (browser_->is_app() && CommandLine::ForCurrentProcess()->
    309               HasSwitch(switches::kEnableStreamlinedHostedApps)),
    310       this, font_list);
    311   omnibox_view_->Init();
    312   omnibox_view_->SetFocusable(true);
    313   AddChildView(omnibox_view_);
    314 
    315   // Initialize the inline autocomplete view which is visible only when IME is
    316   // turned on.  Use the same font with the omnibox and highlighted background.
    317   ime_inline_autocomplete_view_ = new views::Label(base::string16(), font_list);
    318   ime_inline_autocomplete_view_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
    319   ime_inline_autocomplete_view_->SetAutoColorReadabilityEnabled(false);
    320   ime_inline_autocomplete_view_->set_background(
    321       views::Background::CreateSolidBackground(GetNativeTheme()->GetSystemColor(
    322           ui::NativeTheme::kColorId_TextfieldSelectionBackgroundFocused)));
    323   ime_inline_autocomplete_view_->SetEnabledColor(
    324       GetNativeTheme()->GetSystemColor(
    325           ui::NativeTheme::kColorId_TextfieldSelectionColor));
    326   ime_inline_autocomplete_view_->SetVisible(false);
    327   AddChildView(ime_inline_autocomplete_view_);
    328 
    329   origin_chip_view_ = new OriginChipView(this, profile(), font_list);
    330   origin_chip_view_->SetFocusable(false);
    331   origin_chip_view_->set_drag_controller(this);
    332   AddChildView(origin_chip_view_);
    333 
    334   const SkColor text_color = GetColor(ToolbarModel::NONE, TEXT);
    335   selected_keyword_view_ = new SelectedKeywordView(
    336       bubble_font_list, text_color, background_color, profile());
    337   AddChildView(selected_keyword_view_);
    338 
    339   suggested_text_view_ = new views::Label(base::string16(), font_list);
    340   suggested_text_view_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
    341   suggested_text_view_->SetAutoColorReadabilityEnabled(false);
    342   suggested_text_view_->SetEnabledColor(GetColor(
    343       ToolbarModel::NONE, LocationBarView::DEEMPHASIZED_TEXT));
    344   suggested_text_view_->SetVisible(false);
    345   AddChildView(suggested_text_view_);
    346 
    347   keyword_hint_view_ = new KeywordHintView(
    348       profile(), font_list,
    349       GetColor(ToolbarModel::NONE, LocationBarView::DEEMPHASIZED_TEXT),
    350       background_color);
    351   AddChildView(keyword_hint_view_);
    352 
    353   mic_search_view_ = new views::ImageButton(this);
    354   mic_search_view_->set_id(VIEW_ID_MIC_SEARCH_BUTTON);
    355   mic_search_view_->SetAccessibilityFocusable(true);
    356   mic_search_view_->SetTooltipText(
    357       l10n_util::GetStringUTF16(IDS_TOOLTIP_MIC_SEARCH));
    358   mic_search_view_->SetImage(
    359       views::Button::STATE_NORMAL,
    360       ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
    361           IDR_OMNIBOX_MIC_SEARCH));
    362   mic_search_view_->SetImageAlignment(views::ImageButton::ALIGN_CENTER,
    363                                       views::ImageButton::ALIGN_MIDDLE);
    364   mic_search_view_->SetVisible(false);
    365   AddChildView(mic_search_view_);
    366 
    367   for (int i = 0; i < CONTENT_SETTINGS_NUM_TYPES; ++i) {
    368     ContentSettingImageView* content_blocked_view =
    369         new ContentSettingImageView(static_cast<ContentSettingsType>(i), this,
    370                                     bubble_font_list, text_color,
    371                                     background_color);
    372     content_setting_views_.push_back(content_blocked_view);
    373     content_blocked_view->SetVisible(false);
    374     AddChildView(content_blocked_view);
    375   }
    376 
    377   generated_credit_card_view_ = new GeneratedCreditCardView(delegate_);
    378   AddChildView(generated_credit_card_view_);
    379 
    380   zoom_view_ = new ZoomView(delegate_);
    381   zoom_view_->set_id(VIEW_ID_ZOOM_BUTTON);
    382   AddChildView(zoom_view_);
    383 
    384   open_pdf_in_reader_view_ = new OpenPDFInReaderView();
    385   AddChildView(open_pdf_in_reader_view_);
    386 
    387   manage_passwords_icon_view_ = new ManagePasswordsIconView(command_updater());
    388   AddChildView(manage_passwords_icon_view_);
    389 
    390   translate_icon_view_ = new TranslateIconView(command_updater());
    391   translate_icon_view_->SetVisible(false);
    392   AddChildView(translate_icon_view_);
    393 
    394   add_to_app_launcher_view_ = new AddToAppLauncherView(
    395       this, bubble_font_list, text_color, background_color);
    396   add_to_app_launcher_view_->SetVisible(false);
    397   AddChildView(add_to_app_launcher_view_);
    398 
    399   star_view_ = new StarView(command_updater());
    400   star_view_->SetVisible(false);
    401   AddChildView(star_view_);
    402 
    403   search_button_ = new SearchButton(this);
    404   search_button_->SetVisible(false);
    405   AddChildView(search_button_);
    406 
    407   show_url_animation_.reset(new gfx::SlideAnimation(this));
    408   show_url_animation_->SetTweenType(kShowTweenType);
    409   show_url_animation_->SetSlideDuration(200);
    410 
    411   hide_url_animation_.reset(new gfx::SlideAnimation(this));
    412   hide_url_animation_->SetTweenType(kHideTweenType);
    413   hide_url_animation_->SetSlideDuration(175);
    414 
    415   content::Source<Profile> profile_source = content::Source<Profile>(profile());
    416   registrar_.Add(
    417       this, chrome::NOTIFICATION_EXTENSION_LOADED_DEPRECATED, profile_source);
    418   registrar_.Add(this,
    419                  chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED,
    420                  profile_source);
    421 
    422   // Initialize the location entry. We do this to avoid a black flash which is
    423   // visible when the location entry has just been initialized.
    424   Update(NULL);
    425 }
    426 
    427 bool LocationBarView::IsInitialized() const {
    428   return omnibox_view_ != NULL;
    429 }
    430 
    431 SkColor LocationBarView::GetColor(ToolbarModel::SecurityLevel security_level,
    432                                   ColorKind kind) const {
    433   const ui::NativeTheme* native_theme = GetNativeTheme();
    434   switch (kind) {
    435     case BACKGROUND:
    436       return native_theme->GetSystemColor(
    437           ui::NativeTheme::kColorId_TextfieldDefaultBackground);
    438 
    439     case TEXT:
    440       return native_theme->GetSystemColor(
    441           ui::NativeTheme::kColorId_TextfieldDefaultColor);
    442 
    443     case SELECTED_TEXT:
    444       return native_theme->GetSystemColor(
    445           ui::NativeTheme::kColorId_TextfieldSelectionColor);
    446 
    447     case DEEMPHASIZED_TEXT:
    448       return color_utils::AlphaBlend(
    449           GetColor(security_level, TEXT),
    450           GetColor(security_level, BACKGROUND),
    451           128);
    452 
    453     case SECURITY_TEXT: {
    454       SkColor color;
    455       switch (security_level) {
    456         case ToolbarModel::EV_SECURE:
    457         case ToolbarModel::SECURE:
    458           color = SkColorSetRGB(7, 149, 0);
    459           break;
    460 
    461         case ToolbarModel::SECURITY_WARNING:
    462         case ToolbarModel::SECURITY_POLICY_WARNING:
    463           return GetColor(security_level, DEEMPHASIZED_TEXT);
    464           break;
    465 
    466         case ToolbarModel::SECURITY_ERROR:
    467           color = SkColorSetRGB(162, 0, 0);
    468           break;
    469 
    470         default:
    471           NOTREACHED();
    472           return GetColor(security_level, TEXT);
    473       }
    474       return color_utils::GetReadableColor(
    475           color, GetColor(security_level, BACKGROUND));
    476     }
    477 
    478     default:
    479       NOTREACHED();
    480       return GetColor(security_level, TEXT);
    481   }
    482 }
    483 
    484 void LocationBarView::ZoomChangedForActiveTab(bool can_show_bubble) {
    485   DCHECK(zoom_view_);
    486   if (RefreshZoomView()) {
    487     Layout();
    488     SchedulePaint();
    489   }
    490 
    491   WebContents* web_contents = GetWebContents();
    492   if (can_show_bubble && zoom_view_->visible() && web_contents)
    493     ZoomBubbleView::ShowBubble(web_contents, true);
    494 }
    495 
    496 void LocationBarView::SetPreviewEnabledPageAction(ExtensionAction* page_action,
    497                                                   bool preview_enabled) {
    498   if (is_popup_mode_)
    499     return;
    500 
    501   DCHECK(page_action);
    502   WebContents* web_contents = GetWebContents();
    503 
    504   RefreshPageActionViews();
    505   PageActionWithBadgeView* page_action_view =
    506       static_cast<PageActionWithBadgeView*>(GetPageActionView(page_action));
    507   DCHECK(page_action_view);
    508   if (!page_action_view)
    509     return;
    510 
    511   page_action_view->image_view()->set_preview_enabled(preview_enabled);
    512   page_action_view->UpdateVisibility(web_contents, GetToolbarModel()->GetURL());
    513   Layout();
    514   SchedulePaint();
    515 }
    516 
    517 PageActionWithBadgeView* LocationBarView::GetPageActionView(
    518     ExtensionAction* page_action) {
    519   DCHECK(page_action);
    520   for (PageActionViews::const_iterator i(page_action_views_.begin());
    521        i != page_action_views_.end(); ++i) {
    522     if ((*i)->image_view()->page_action() == page_action)
    523       return *i;
    524   }
    525   return NULL;
    526 }
    527 
    528 void LocationBarView::SetStarToggled(bool on) {
    529   if (star_view_)
    530     star_view_->SetToggled(on);
    531 }
    532 
    533 void LocationBarView::SetTranslateIconToggled(bool on) {
    534   translate_icon_view_->SetToggled(on);
    535 }
    536 
    537 gfx::Point LocationBarView::GetOmniboxViewOrigin() const {
    538   gfx::Point origin(omnibox_view_->bounds().origin());
    539   origin.set_x(GetMirroredXInView(origin.x() - current_omnibox_offset_));
    540   views::View::ConvertPointToScreen(this, &origin);
    541   return origin;
    542 }
    543 
    544 void LocationBarView::SetImeInlineAutocompletion(const base::string16& text) {
    545   ime_inline_autocomplete_view_->SetText(text);
    546   ime_inline_autocomplete_view_->SetVisible(!text.empty());
    547 }
    548 
    549 void LocationBarView::SetGrayTextAutocompletion(const base::string16& text) {
    550   if (suggested_text_view_->text() != text) {
    551     suggested_text_view_->SetText(text);
    552     suggested_text_view_->SetVisible(!text.empty());
    553     Layout();
    554     SchedulePaint();
    555   }
    556 }
    557 
    558 base::string16 LocationBarView::GetGrayTextAutocompletion() const {
    559   return HasValidSuggestText() ?
    560       suggested_text_view_->text() : base::string16();
    561 }
    562 
    563 void LocationBarView::SetShowFocusRect(bool show) {
    564   show_focus_rect_ = show;
    565   SchedulePaint();
    566 }
    567 
    568 void LocationBarView::SelectAll() {
    569   omnibox_view_->SelectAll(true);
    570 }
    571 
    572 gfx::Point LocationBarView::GetLocationBarAnchorPoint() const {
    573   // The +1 in the next line creates a 1-px gap between icon and arrow tip.
    574   gfx::Point icon_bottom(0, location_icon_view_->GetImageBounds().bottom() -
    575       LocationBarView::kIconInternalPadding + 1);
    576   gfx::Point icon_center(location_icon_view_->GetImageBounds().CenterPoint());
    577   gfx::Point point(icon_center.x(), icon_bottom.y());
    578   ConvertPointToTarget(location_icon_view_, this, &point);
    579   return point;
    580 }
    581 
    582 views::View* LocationBarView::generated_credit_card_view() {
    583   return generated_credit_card_view_;
    584 }
    585 
    586 int LocationBarView::GetInternalHeight(bool use_preferred_size) {
    587   int total_height =
    588       use_preferred_size ? GetPreferredSize().height() : height();
    589   return std::max(total_height - (vertical_edge_thickness() * 2), 0);
    590 }
    591 
    592 void LocationBarView::GetOmniboxPopupPositioningInfo(
    593     gfx::Point* top_left_screen_coord,
    594     int* popup_width,
    595     int* left_margin,
    596     int* right_margin) {
    597   // Because the popup might appear atop the attached bookmark bar, there won't
    598   // necessarily be a client edge separating it from the rest of the toolbar.
    599   // Therefore we position the popup high enough so it can draw its own client
    600   // edge at the top, in the same place the toolbar would normally draw the
    601   // client edge.
    602   *top_left_screen_coord = gfx::Point(
    603       0,
    604       parent()->height() - views::NonClientFrameView::kClientEdgeThickness);
    605   views::View::ConvertPointToScreen(parent(), top_left_screen_coord);
    606   *popup_width = parent()->width();
    607 
    608   gfx::Rect location_bar_bounds(bounds());
    609   location_bar_bounds.Inset(kNormalEdgeThickness, 0);
    610   *left_margin = location_bar_bounds.x();
    611   *right_margin = *popup_width - location_bar_bounds.right();
    612 }
    613 
    614 ////////////////////////////////////////////////////////////////////////////////
    615 // LocationBarView, public LocationBar implementation:
    616 
    617 void LocationBarView::FocusLocation(bool select_all) {
    618   omnibox_view_->SetFocus();
    619   if (select_all)
    620     omnibox_view_->SelectAll(true);
    621 }
    622 
    623 void LocationBarView::Revert() {
    624   omnibox_view_->RevertAll();
    625 }
    626 
    627 OmniboxView* LocationBarView::GetOmniboxView() {
    628   return omnibox_view_;
    629 }
    630 
    631 ////////////////////////////////////////////////////////////////////////////////
    632 // LocationBarView, public views::View implementation:
    633 
    634 bool LocationBarView::HasFocus() const {
    635   return omnibox_view_->model()->has_focus();
    636 }
    637 
    638 void LocationBarView::GetAccessibleState(ui::AXViewState* state) {
    639   if (!IsInitialized())
    640     return;
    641 
    642   state->role = ui::AX_ROLE_LOCATION_BAR;
    643   state->name = l10n_util::GetStringUTF16(IDS_ACCNAME_LOCATION);
    644   state->value = omnibox_view_->GetText();
    645 
    646   base::string16::size_type entry_start;
    647   base::string16::size_type entry_end;
    648   omnibox_view_->GetSelectionBounds(&entry_start, &entry_end);
    649   state->selection_start = entry_start;
    650   state->selection_end = entry_end;
    651 
    652   if (is_popup_mode_) {
    653     state->AddStateFlag(ui::AX_STATE_READ_ONLY);
    654   } else {
    655     state->set_value_callback =
    656         base::Bind(&LocationBarView::AccessibilitySetValue,
    657                    weak_ptr_factory_.GetWeakPtr());
    658   }
    659 }
    660 
    661 gfx::Size LocationBarView::GetPreferredSize() const {
    662   // Compute minimum height.
    663   gfx::Size min_size(border_painter_->GetMinimumSize());
    664   if (!IsInitialized())
    665     return min_size;
    666   gfx::Size search_button_min_size(search_button_->GetMinimumSize());
    667   min_size.SetToMax(search_button_min_size);
    668 
    669   // Compute width of omnibox-leading content.
    670   const int horizontal_edge_thickness = GetHorizontalEdgeThickness();
    671   int leading_width = horizontal_edge_thickness;
    672   // TODO(pkasting): Make the origin chip min width sane, and make the chip
    673   // handle being shrunken down more gracefully; then uncomment this.
    674   /*if (GetToolbarModel()->ShouldShowOriginChip())
    675     leading_width += origin_chip_view_->GetMinimumSize().width();*/
    676   if (ShouldShowKeywordBubble()) {
    677     // The selected keyword view can collapse completely.
    678   } else if (ShouldShowEVBubble()) {
    679     leading_width += kBubblePadding +
    680         ev_bubble_view_->GetMinimumSizeForLabelText(
    681             GetToolbarModel()->GetEVCertName()).width();
    682   } else if (!origin_chip_view_->visible()) {
    683     leading_width +=
    684         kItemPadding + location_icon_view_->GetMinimumSize().width();
    685   }
    686   leading_width += kItemPadding - GetEditLeadingInternalSpace();
    687 
    688   // Compute width of omnibox-trailing content.
    689   int trailing_width = search_button_->visible() ?
    690       (search_button_->GetMinimumSize().width() + kSearchButtonInset) :
    691       horizontal_edge_thickness;
    692   trailing_width += IncrementalMinimumWidth(star_view_) +
    693       IncrementalMinimumWidth(translate_icon_view_) +
    694       IncrementalMinimumWidth(open_pdf_in_reader_view_) +
    695       IncrementalMinimumWidth(manage_passwords_icon_view_) +
    696       IncrementalMinimumWidth(zoom_view_) +
    697       IncrementalMinimumWidth(generated_credit_card_view_) +
    698       IncrementalMinimumWidth(mic_search_view_) +
    699       IncrementalMinimumWidth(add_to_app_launcher_view_) + kItemPadding;
    700   for (PageActionViews::const_iterator i(page_action_views_.begin());
    701        i != page_action_views_.end(); ++i)
    702     trailing_width += IncrementalMinimumWidth((*i));
    703   for (ContentSettingViews::const_iterator i(content_setting_views_.begin());
    704        i != content_setting_views_.end(); ++i)
    705     trailing_width += IncrementalMinimumWidth((*i));
    706 
    707   min_size.set_width(
    708       leading_width + omnibox_view_->GetMinimumSize().width() + trailing_width);
    709   return min_size;
    710 }
    711 
    712 void LocationBarView::Layout() {
    713   if (!IsInitialized())
    714     return;
    715 
    716   origin_chip_view_->SetVisible(GetToolbarModel()->ShouldShowOriginChip());
    717   selected_keyword_view_->SetVisible(false);
    718   location_icon_view_->SetVisible(false);
    719   ev_bubble_view_->SetVisible(false);
    720   keyword_hint_view_->SetVisible(false);
    721 
    722   LocationBarLayout leading_decorations(
    723       LocationBarLayout::LEFT_EDGE,
    724       kItemPadding - GetEditLeadingInternalSpace());
    725   LocationBarLayout trailing_decorations(LocationBarLayout::RIGHT_EDGE,
    726                                          kItemPadding);
    727 
    728   const int origin_chip_preferred_width =
    729       origin_chip_view_->GetPreferredSize().width();
    730   const int origin_chip_width =
    731       origin_chip_view_->visible() ? origin_chip_preferred_width : 0;
    732   // Always give the origin chip view its desired size and lay it out, even when
    733   // it's not visible, so we can calculate the correct animation values below
    734   // when switching to tabs that have the origin chip hidden.
    735   origin_chip_view_->SetBounds(0, 0, origin_chip_preferred_width, height());
    736   origin_chip_view_->Layout();
    737 
    738   const int bubble_location_y = vertical_edge_thickness() + kBubblePadding;
    739   const base::string16 keyword(omnibox_view_->model()->keyword());
    740   // In some cases (e.g. fullscreen mode) we may have 0 height.  We still want
    741   // to position our child views in this case, because other things may be
    742   // positioned relative to them (e.g. the "bookmark added" bubble if the user
    743   // hits ctrl-d).
    744   const int location_height = GetInternalHeight(false);
    745   const int bubble_height = std::max(location_height - (kBubblePadding * 2), 0);
    746   if (ShouldShowKeywordBubble()) {
    747     leading_decorations.AddDecoration(bubble_location_y, bubble_height, true, 0,
    748                                       kBubblePadding, kItemPadding,
    749                                       selected_keyword_view_);
    750     if (selected_keyword_view_->keyword() != keyword) {
    751       selected_keyword_view_->SetKeyword(keyword);
    752       const TemplateURL* template_url =
    753           TemplateURLServiceFactory::GetForProfile(profile())->
    754           GetTemplateURLForKeyword(keyword);
    755       if (template_url &&
    756           (template_url->GetType() == TemplateURL::OMNIBOX_API_EXTENSION)) {
    757         gfx::Image image = extensions::OmniboxAPI::Get(profile())->
    758             GetOmniboxIcon(template_url->GetExtensionId());
    759         selected_keyword_view_->SetImage(image.AsImageSkia());
    760         selected_keyword_view_->set_is_extension_icon(true);
    761       } else {
    762         selected_keyword_view_->SetImage(
    763             *(GetThemeProvider()->GetImageSkiaNamed(IDR_OMNIBOX_SEARCH)));
    764         selected_keyword_view_->set_is_extension_icon(false);
    765       }
    766     }
    767   } else if (ShouldShowEVBubble()) {
    768     ev_bubble_view_->SetLabel(GetToolbarModel()->GetEVCertName());
    769     // The largest fraction of the omnibox that can be taken by the EV bubble.
    770     const double kMaxBubbleFraction = 0.5;
    771     leading_decorations.AddDecoration(bubble_location_y, bubble_height, false,
    772                                       kMaxBubbleFraction, kBubblePadding,
    773                                       kItemPadding, ev_bubble_view_);
    774   } else if (!origin_chip_view_->visible()) {
    775     leading_decorations.AddDecoration(
    776         vertical_edge_thickness(), location_height,
    777         location_icon_view_);
    778   }
    779 
    780   if (star_view_->visible()) {
    781     trailing_decorations.AddDecoration(
    782         vertical_edge_thickness(), location_height, star_view_);
    783   }
    784   if (add_to_app_launcher_view_->visible()) {
    785     trailing_decorations.AddDecoration(
    786         vertical_edge_thickness(), location_height, add_to_app_launcher_view_);
    787   }
    788   if (translate_icon_view_->visible()) {
    789     trailing_decorations.AddDecoration(
    790         vertical_edge_thickness(), location_height, translate_icon_view_);
    791   }
    792   if (open_pdf_in_reader_view_->visible()) {
    793     trailing_decorations.AddDecoration(
    794         vertical_edge_thickness(), location_height, open_pdf_in_reader_view_);
    795   }
    796   if (manage_passwords_icon_view_->visible()) {
    797     trailing_decorations.AddDecoration(vertical_edge_thickness(),
    798                                        location_height,
    799                                        manage_passwords_icon_view_);
    800   }
    801   for (PageActionViews::const_iterator i(page_action_views_.begin());
    802        i != page_action_views_.end(); ++i) {
    803     if ((*i)->visible()) {
    804       trailing_decorations.AddDecoration(
    805           vertical_edge_thickness(), location_height, (*i));
    806     }
    807   }
    808   if (zoom_view_->visible()) {
    809     trailing_decorations.AddDecoration(vertical_edge_thickness(),
    810                                        location_height, zoom_view_);
    811   }
    812   for (ContentSettingViews::const_reverse_iterator i(
    813            content_setting_views_.rbegin()); i != content_setting_views_.rend();
    814        ++i) {
    815     if ((*i)->visible()) {
    816       trailing_decorations.AddDecoration(
    817           bubble_location_y, bubble_height, false, 0, kItemPadding,
    818           kItemPadding, (*i));
    819     }
    820   }
    821   if (generated_credit_card_view_->visible()) {
    822     trailing_decorations.AddDecoration(vertical_edge_thickness(),
    823                                        location_height,
    824                                        generated_credit_card_view_);
    825   }
    826   if (mic_search_view_->visible()) {
    827     trailing_decorations.AddDecoration(vertical_edge_thickness(),
    828                                        location_height, mic_search_view_);
    829   }
    830   // Because IMEs may eat the tab key, we don't show "press tab to search" while
    831   // IME composition is in progress.
    832   if (!keyword.empty() && omnibox_view_->model()->is_keyword_hint() &&
    833       !omnibox_view_->IsImeComposing()) {
    834     trailing_decorations.AddDecoration(vertical_edge_thickness(),
    835                                        location_height, true, 0, kItemPadding,
    836                                        kItemPadding, keyword_hint_view_);
    837     if (keyword_hint_view_->keyword() != keyword)
    838       keyword_hint_view_->SetKeyword(keyword);
    839   }
    840 
    841   // Perform layout.
    842   const int horizontal_edge_thickness = GetHorizontalEdgeThickness();
    843   int full_width = width() - horizontal_edge_thickness - origin_chip_width;
    844 
    845   const gfx::Size search_button_size(search_button_->GetPreferredSize());
    846   const int search_button_reserved_width =
    847       search_button_size.width() + kSearchButtonInset;
    848   full_width -= search_button_->visible() ?
    849       search_button_reserved_width : horizontal_edge_thickness;
    850   int entry_width = full_width;
    851   leading_decorations.LayoutPass1(&entry_width);
    852   trailing_decorations.LayoutPass1(&entry_width);
    853   leading_decorations.LayoutPass2(&entry_width);
    854   trailing_decorations.LayoutPass2(&entry_width);
    855 
    856   int location_needed_width = omnibox_view_->GetTextWidth();
    857   int available_width = entry_width - location_needed_width;
    858   // The bounds must be wide enough for all the decorations to fit.
    859   gfx::Rect location_bounds(
    860       origin_chip_width + horizontal_edge_thickness, vertical_edge_thickness(),
    861       std::max(full_width, full_width - entry_width), location_height);
    862   leading_decorations.LayoutPass3(&location_bounds, &available_width);
    863   trailing_decorations.LayoutPass3(&location_bounds, &available_width);
    864 
    865   // Calculate the animation parameters (see comments on these members in the
    866   // header).  We have to do this in Layout, after |origin_chip_view_| is laid
    867   // out, because that may affect the host label offset in the origin chip.
    868   const base::string16& chip_text(origin_chip_view_->host_label_text());
    869   // If the chip is clicked, the omnibox text will become the toolbar model's
    870   // formatted URL.  We can't ask the omnibox for its current text, because
    871   // while the chip is visible the current text is empty.
    872   size_t prefix_end = 0;
    873   const base::string16& omnibox_text(
    874       GetToolbarModel()->GetFormattedURL(&prefix_end));
    875   // Do a case-insensitive search to better match cases like
    876   // "Settings" <-> "chrome://settings".  Skip any pre-hostname text.
    877   size_t chip_text_offset = std::search(
    878       omnibox_text.begin() + prefix_end, omnibox_text.end(),
    879       chip_text.begin(), chip_text.end(),
    880       base::CaseInsensitiveCompare<base::char16>()) - omnibox_text.begin();
    881   // If we couldn't find the chip text, try checking whether the omnibox text
    882   // starts with it, as is true for e.g. file: URLs.
    883   if ((chip_text_offset >= omnibox_text.length()) &&
    884       StartsWith(omnibox_text, chip_text, true))
    885     chip_text_offset = 0;
    886   const gfx::FontList& font_list = omnibox_view_->GetFontList();
    887   const int chip_text_width = gfx::GetStringWidth(chip_text, font_list);
    888   const int old_starting_offset = starting_omnibox_offset_;
    889   const int old_starting_leading_inset = starting_omnibox_leading_inset_;
    890   const int old_ending_width = ending_omnibox_width_;
    891   starting_omnibox_offset_ = current_omnibox_offset_ = 0;
    892   starting_omnibox_leading_inset_ = current_omnibox_leading_inset_ = 0;
    893   ending_omnibox_width_ = gfx::GetStringWidth(omnibox_text, font_list);
    894   if (chip_text_offset < omnibox_text.length()) {
    895     if (base::i18n::IsRTL())
    896       chip_text_offset += chip_text.length();
    897     base::string16 extra_omnibox_text(base::i18n::IsRTL() ?
    898         omnibox_text.substr(chip_text_offset) :
    899         omnibox_text.substr(0, chip_text_offset));
    900     starting_omnibox_leading_inset_ =
    901         gfx::GetStringWidth(extra_omnibox_text, font_list);
    902     starting_omnibox_offset_ = origin_chip_view_->HostLabelOffset() -
    903         starting_omnibox_leading_inset_;
    904     current_omnibox_width_ = chip_text_width;
    905   } else {
    906     // If the chip text wasn't found in the omnibox text, then instead of
    907     // starting the show animation clipped to the "hostname", we'll start with
    908     // the entire omnibox text visible, clipped to the remaining chip width, and
    909     // only animate any necessary expansion of that width, without moving the
    910     // omnibox bounds.
    911     current_omnibox_width_ = origin_chip_view_->WidthFromStartOfLabels();
    912   }
    913 
    914   // End the animations immediately if the parameters have changed.
    915   if ((starting_omnibox_offset_ != old_starting_offset) ||
    916       (starting_omnibox_leading_inset_ != old_starting_leading_inset) ||
    917       (ending_omnibox_width_ != old_ending_width))
    918     EndOriginChipAnimations(true);
    919 
    920   // Also end the animations immediately if there's nothing to animate (but do
    921   // allow the chip to fade back in).
    922   const ui::NativeTheme* native_theme = GetNativeTheme();
    923   const SkColor ending_selection_text_color = native_theme->GetSystemColor(
    924       ui::NativeTheme::kColorId_TextfieldSelectionColor);
    925   const SkColor ending_selection_background_color =
    926       native_theme->GetSystemColor(
    927           ui::NativeTheme::kColorId_TextfieldSelectionBackgroundFocused);
    928   if ((starting_omnibox_offset_ == 0) &&
    929       (starting_omnibox_leading_inset_ == 0) &&
    930       (ending_omnibox_width_ == chip_text_width) &&
    931       (hide_url_animation_->is_animating() ||
    932        ((ending_selection_text_color ==
    933             origin_chip_view_->pressed_text_color()) &&
    934         (ending_selection_background_color ==
    935             origin_chip_view_->pressed_background_color()))))
    936     EndOriginChipAnimations(false);
    937 
    938   if (show_url_animation_->is_animating()) {
    939     omnibox_view_->SetSelectionTextColor(gfx::Tween::ColorValueBetween(
    940         show_url_animation_->GetCurrentValue(),
    941         origin_chip_view_->pressed_text_color(),
    942         ending_selection_text_color));
    943     omnibox_view_->SetSelectionBackgroundColor(gfx::Tween::ColorValueBetween(
    944         show_url_animation_->GetCurrentValue(),
    945         origin_chip_view_->pressed_background_color(),
    946         ending_selection_background_color));
    947     current_omnibox_offset_ =
    948         show_url_animation_->CurrentValueBetween(starting_omnibox_offset_, 0);
    949     current_omnibox_leading_inset_ = show_url_animation_->CurrentValueBetween(
    950         starting_omnibox_leading_inset_, 0);
    951     current_omnibox_width_ = show_url_animation_->CurrentValueBetween(
    952         chip_text_width, ending_omnibox_width_);
    953   } else if (hide_url_animation_->is_animating()) {
    954     current_omnibox_offset_ =
    955         hide_url_animation_->CurrentValueBetween(0, starting_omnibox_offset_);
    956     current_omnibox_leading_inset_ = hide_url_animation_->CurrentValueBetween(
    957         0, starting_omnibox_leading_inset_);
    958     current_omnibox_width_ = hide_url_animation_->CurrentValueBetween(
    959         ending_omnibox_width_, chip_text_width);
    960   }
    961   // Contract |available_width| as necessary, but never expand it.  This way,
    962   // we'll never draw suggested text at first and then have it disappear
    963   // midway through the animation.
    964   if (current_omnibox_offset_ > 0)
    965     available_width -= current_omnibox_offset_;
    966   location_bounds.Inset(current_omnibox_offset_, 0, 0, 0);
    967 
    968   // Layout out the suggested text view right aligned to the location
    969   // entry. Only show the suggested text if we can fit the text from one
    970   // character before the end of the selection to the end of the text and the
    971   // suggested text. If we can't it means either the suggested text is too big,
    972   // or the user has scrolled.
    973 
    974   // TODO(sky): We could potentially adjust this to take into account suggested
    975   // text to force using minimum size if necessary, but currently the chance of
    976   // showing keyword hints and suggested text is minimal and we're not confident
    977   // this is the right approach for suggested text.
    978 
    979   int omnibox_view_margin = 0;
    980   if (suggested_text_view_->visible()) {
    981     // We do not display the suggested text when it contains a mix of RTL and
    982     // LTR characters since this could mean the suggestion should be displayed
    983     // in the middle of the string.
    984     base::i18n::TextDirection text_direction =
    985         base::i18n::GetStringDirection(omnibox_view_->GetText());
    986     if (text_direction !=
    987         base::i18n::GetStringDirection(suggested_text_view_->text()))
    988       text_direction = base::i18n::UNKNOWN_DIRECTION;
    989 
    990     // TODO(sky): need to layout when the user changes caret position.
    991     gfx::Size suggested_text_size(suggested_text_view_->GetPreferredSize());
    992     if (suggested_text_size.width() > available_width ||
    993         text_direction == base::i18n::UNKNOWN_DIRECTION) {
    994       // Hide the suggested text if the user has scrolled or we can't fit all
    995       // the suggested text, or we have a mix of RTL and LTR characters.
    996       suggested_text_view_->SetBounds(0, 0, 0, 0);
    997     } else {
    998       location_needed_width =
    999           std::min(location_needed_width,
   1000                    location_bounds.width() - suggested_text_size.width());
   1001       gfx::Rect suggested_text_bounds(location_bounds.x(), location_bounds.y(),
   1002                                       suggested_text_size.width(),
   1003                                       location_bounds.height());
   1004       // TODO(sky): figure out why this needs the -1.
   1005       suggested_text_bounds.Offset(location_needed_width - 1, 0);
   1006 
   1007       // We reverse the order of the location entry and suggested text if:
   1008       // - Chrome is RTL but the text is fully LTR, or
   1009       // - Chrome is LTR but the text is fully RTL.
   1010       // This ensures the suggested text is correctly displayed to the right
   1011       // (or left) of the user text.
   1012       if (text_direction == (base::i18n::IsRTL() ?
   1013           base::i18n::LEFT_TO_RIGHT : base::i18n::RIGHT_TO_LEFT)) {
   1014         // TODO(sky): Figure out why we need the +1.
   1015         suggested_text_bounds.set_x(location_bounds.x() + 1);
   1016         // Use a margin to prevent omnibox text from overlapping suggest text.
   1017         omnibox_view_margin = suggested_text_bounds.width();
   1018       }
   1019       suggested_text_view_->SetBoundsRect(suggested_text_bounds);
   1020     }
   1021   }
   1022 
   1023   const gfx::Insets insets = omnibox_view_->GetInsets();
   1024   omnibox_view_->SetBorder(views::Border::CreateEmptyBorder(
   1025       insets.top(), insets.left(), insets.bottom(), omnibox_view_margin));
   1026 
   1027   // Layout |ime_inline_autocomplete_view_| next to the user input.
   1028   if (ime_inline_autocomplete_view_->visible()) {
   1029     int width =
   1030         gfx::GetStringWidth(ime_inline_autocomplete_view_->text(),
   1031                             ime_inline_autocomplete_view_->font_list()) +
   1032         ime_inline_autocomplete_view_->GetInsets().width();
   1033     // All the target languages (IMEs) are LTR, and we do not need to support
   1034     // RTL so far.  In other words, no testable RTL environment so far.
   1035     int x = location_needed_width;
   1036     if (width > entry_width)
   1037       x = 0;
   1038     else if (location_needed_width + width > entry_width)
   1039       x = entry_width - width;
   1040     location_bounds.set_width(x);
   1041     ime_inline_autocomplete_view_->SetBounds(
   1042         location_bounds.right(), location_bounds.y(),
   1043         std::min(width, entry_width), location_bounds.height());
   1044   }
   1045 
   1046   omnibox_view_->SetBoundsRect(location_bounds);
   1047 
   1048   search_button_->SetBoundsRect(gfx::Rect(
   1049       gfx::Point(width() - search_button_reserved_width, 0),
   1050       search_button_size));
   1051 }
   1052 
   1053 ////////////////////////////////////////////////////////////////////////////////
   1054 // LocationBarView, public OmniboxEditController implementation:
   1055 
   1056 void LocationBarView::Update(const WebContents* contents) {
   1057   mic_search_view_->SetVisible(
   1058       !GetToolbarModel()->input_in_progress() && browser_ &&
   1059       browser_->search_model()->voice_search_supported());
   1060   RefreshContentSettingViews();
   1061   generated_credit_card_view_->Update();
   1062   ZoomBubbleView::CloseBubble();
   1063   RefreshZoomView();
   1064   RefreshPageActionViews();
   1065   RefreshTranslateIcon();
   1066   RefreshManagePasswordsIconView();
   1067   content::WebContents* web_contents_for_sub_views =
   1068       GetToolbarModel()->input_in_progress() ? NULL : GetWebContents();
   1069   open_pdf_in_reader_view_->Update(web_contents_for_sub_views);
   1070   add_to_app_launcher_view_->Update(web_contents_for_sub_views);
   1071 
   1072   if (star_view_) {
   1073     star_view_->SetVisible(
   1074         browser_defaults::bookmarks_enabled && !is_popup_mode_ &&
   1075         !GetToolbarModel()->input_in_progress() &&
   1076         edit_bookmarks_enabled_.GetValue() &&
   1077         !IsBookmarkStarHiddenByExtension());
   1078   }
   1079 
   1080   if (contents)
   1081     omnibox_view_->OnTabChanged(contents);
   1082   else
   1083     omnibox_view_->Update();
   1084 
   1085   OnChanged();  // NOTE: Calls Layout().
   1086 }
   1087 
   1088 void LocationBarView::ShowURL() {
   1089   // Start the animation before calling ShowURL(), since the latter eventually
   1090   // calls back to Layout(), and if the animation is not marked as "running",
   1091   // we'll draw the omnibox in its final position briefly until the first
   1092   // animation callback reaches us.
   1093   if (chrome::ShouldDisplayOriginChip()) {
   1094     // If we're currently hiding, reverse the hide by swapping to the show
   1095     // animation, offset so that the text is in the same position.
   1096     if (hide_url_animation_->is_animating()) {
   1097       const double show_value = GetValueForAnimation(false);
   1098       hide_url_animation_->Reset();
   1099       show_url_animation_->Show();
   1100       // This must be done after calling Show() and is not equivalent to
   1101       // calling Reset(n) before Show(); Reset() would have caused the entire
   1102       // animation curve (and time) to run between this value and the final
   1103       // value, whereas Show() + SetCurrentValue() skips the animation forward
   1104       // to the supplied value.
   1105       show_url_animation_->SetCurrentValue(show_value);
   1106     } else {
   1107       show_url_animation_->Show();
   1108     }
   1109   }
   1110   omnibox_view_->ShowURL();
   1111 }
   1112 
   1113 void LocationBarView::EndOriginChipAnimations(bool cancel_fade) {
   1114   show_url_animation_->End();
   1115   hide_url_animation_->End();
   1116   if (cancel_fade)
   1117     origin_chip_view_->CancelFade();
   1118 }
   1119 
   1120 ToolbarModel* LocationBarView::GetToolbarModel() {
   1121   return delegate_->GetToolbarModel();
   1122 }
   1123 
   1124 WebContents* LocationBarView::GetWebContents() {
   1125   return delegate_->GetWebContents();
   1126 }
   1127 
   1128 ////////////////////////////////////////////////////////////////////////////////
   1129 // LocationBarView, private:
   1130 
   1131 // static
   1132 int LocationBarView::IncrementalMinimumWidth(views::View* view) {
   1133   return view->visible() ? (kItemPadding + view->GetMinimumSize().width()) : 0;
   1134 }
   1135 
   1136 int LocationBarView::GetHorizontalEdgeThickness() const {
   1137   // In maximized popup mode, there isn't any edge.
   1138   return (is_popup_mode_ && browser_ && browser_->window() &&
   1139       browser_->window()->IsMaximized()) ? 0 : vertical_edge_thickness();
   1140 }
   1141 
   1142 bool LocationBarView::RefreshContentSettingViews() {
   1143   bool visibility_changed = false;
   1144   for (ContentSettingViews::const_iterator i(content_setting_views_.begin());
   1145        i != content_setting_views_.end(); ++i) {
   1146     const bool was_visible = (*i)->visible();
   1147     (*i)->Update(GetToolbarModel()->input_in_progress() ?
   1148         NULL : GetWebContents());
   1149     if (was_visible != (*i)->visible())
   1150       visibility_changed = true;
   1151   }
   1152   return visibility_changed;
   1153 }
   1154 
   1155 void LocationBarView::DeletePageActionViews() {
   1156   for (PageActionViews::const_iterator i(page_action_views_.begin());
   1157        i != page_action_views_.end(); ++i)
   1158     RemoveChildView(*i);
   1159   STLDeleteElements(&page_action_views_);
   1160 }
   1161 
   1162 bool LocationBarView::RefreshPageActionViews() {
   1163   if (is_popup_mode_)
   1164     return false;
   1165 
   1166   bool changed = false;
   1167 
   1168   // Remember the previous visibility of the page actions so that we can
   1169   // notify when this changes.
   1170   std::map<ExtensionAction*, bool> old_visibility;
   1171   for (PageActionViews::const_iterator i(page_action_views_.begin());
   1172        i != page_action_views_.end(); ++i) {
   1173     old_visibility[(*i)->image_view()->page_action()] = (*i)->visible();
   1174   }
   1175 
   1176   PageActions new_page_actions;
   1177 
   1178   WebContents* web_contents = GetWebContents();
   1179   if (web_contents) {
   1180     extensions::TabHelper* extensions_tab_helper =
   1181         extensions::TabHelper::FromWebContents(web_contents);
   1182     extensions::LocationBarController* controller =
   1183         extensions_tab_helper->location_bar_controller();
   1184     new_page_actions = controller->GetCurrentActions();
   1185   }
   1186 
   1187   // On startup we sometimes haven't loaded any extensions. This makes sure
   1188   // we catch up when the extensions (and any page actions) load.
   1189   if (page_actions_ != new_page_actions) {
   1190     changed = true;
   1191 
   1192     page_actions_.swap(new_page_actions);
   1193     DeletePageActionViews();  // Delete the old views (if any).
   1194 
   1195     // Create the page action views.
   1196     for (PageActions::const_iterator i = page_actions_.begin();
   1197          i != page_actions_.end(); ++i) {
   1198       PageActionWithBadgeView* page_action_view = new PageActionWithBadgeView(
   1199           delegate_->CreatePageActionImageView(this, *i));
   1200       page_action_view->SetVisible(false);
   1201       page_action_views_.push_back(page_action_view);
   1202     }
   1203 
   1204     // Move rightmost extensions to the start.
   1205     std::stable_partition(
   1206         page_action_views_.begin(),
   1207         page_action_views_.end(),
   1208         IsPageActionViewRightAligned(
   1209             extensions::ExtensionSystem::Get(profile())->extension_service()));
   1210 
   1211     View* right_anchor = open_pdf_in_reader_view_;
   1212     if (!right_anchor)
   1213       right_anchor = star_view_;
   1214     DCHECK(right_anchor);
   1215 
   1216     // |page_action_views_| are ordered right-to-left.  Add them as children in
   1217     // reverse order so the logical order and visual order match for
   1218     // accessibility purposes.
   1219     for (PageActionViews::reverse_iterator i = page_action_views_.rbegin();
   1220          i != page_action_views_.rend(); ++i)
   1221       AddChildViewAt(*i, GetIndexOf(right_anchor));
   1222   }
   1223 
   1224   if (!page_action_views_.empty() && web_contents) {
   1225     Browser* browser = chrome::FindBrowserWithWebContents(web_contents);
   1226     GURL url = browser->tab_strip_model()->GetActiveWebContents()->GetURL();
   1227 
   1228     for (PageActionViews::const_iterator i(page_action_views_.begin());
   1229          i != page_action_views_.end(); ++i) {
   1230       (*i)->UpdateVisibility(
   1231           GetToolbarModel()->input_in_progress() ? NULL : web_contents, url);
   1232 
   1233       // Check if the visibility of the action changed and notify if it did.
   1234       ExtensionAction* action = (*i)->image_view()->page_action();
   1235       if (old_visibility.find(action) == old_visibility.end() ||
   1236           old_visibility[action] != (*i)->visible()) {
   1237         changed = true;
   1238         content::NotificationService::current()->Notify(
   1239             chrome::NOTIFICATION_EXTENSION_PAGE_ACTION_VISIBILITY_CHANGED,
   1240             content::Source<ExtensionAction>(action),
   1241             content::Details<WebContents>(web_contents));
   1242       }
   1243     }
   1244   }
   1245   return changed;
   1246 }
   1247 
   1248 bool LocationBarView::RefreshZoomView() {
   1249   DCHECK(zoom_view_);
   1250   WebContents* web_contents = GetWebContents();
   1251   if (!web_contents)
   1252     return false;
   1253   const bool was_visible = zoom_view_->visible();
   1254   zoom_view_->Update(ZoomController::FromWebContents(web_contents));
   1255   return was_visible != zoom_view_->visible();
   1256 }
   1257 
   1258 void LocationBarView::RefreshTranslateIcon() {
   1259   if (!TranslateService::IsTranslateBubbleEnabled())
   1260     return;
   1261 
   1262   WebContents* web_contents = GetWebContents();
   1263   if (!web_contents)
   1264     return;
   1265   LanguageState& language_state =
   1266       ChromeTranslateClient::FromWebContents(web_contents)->GetLanguageState();
   1267   bool enabled = language_state.translate_enabled();
   1268   command_updater()->UpdateCommandEnabled(IDC_TRANSLATE_PAGE, enabled);
   1269   translate_icon_view_->SetVisible(enabled);
   1270   translate_icon_view_->SetToggled(language_state.IsPageTranslated());
   1271 }
   1272 
   1273 bool LocationBarView::RefreshManagePasswordsIconView() {
   1274   DCHECK(manage_passwords_icon_view_);
   1275   WebContents* web_contents = GetWebContents();
   1276   if (!web_contents)
   1277     return false;
   1278   const bool was_visible = manage_passwords_icon_view_->visible();
   1279   ManagePasswordsUIController::FromWebContents(
   1280       web_contents)->UpdateIconAndBubbleState(manage_passwords_icon_view_);
   1281   return was_visible != manage_passwords_icon_view_->visible();
   1282 }
   1283 
   1284 void LocationBarView::ShowFirstRunBubbleInternal() {
   1285   // First run bubble doesn't make sense for Chrome OS.
   1286 #if !defined(OS_CHROMEOS)
   1287   WebContents* web_contents = delegate_->GetWebContents();
   1288   if (!web_contents)
   1289     return;
   1290   Browser* browser = chrome::FindBrowserWithWebContents(web_contents);
   1291   if (browser)
   1292     FirstRunBubble::ShowBubble(browser, location_icon_view_);
   1293 #endif
   1294 }
   1295 
   1296 void LocationBarView::AccessibilitySetValue(const base::string16& new_value) {
   1297   omnibox_view_->SetUserText(new_value, new_value, true);
   1298 }
   1299 
   1300 bool LocationBarView::HasValidSuggestText() const {
   1301   return suggested_text_view_->visible() &&
   1302       !suggested_text_view_->size().IsEmpty();
   1303 }
   1304 
   1305 bool LocationBarView::ShouldShowKeywordBubble() const {
   1306   return !omnibox_view_->model()->keyword().empty() &&
   1307       !omnibox_view_->model()->is_keyword_hint();
   1308 }
   1309 
   1310 bool LocationBarView::ShouldShowEVBubble() const {
   1311   return !chrome::ShouldDisplayOriginChip() &&
   1312       (GetToolbarModel()->GetSecurityLevel(false) == ToolbarModel::EV_SECURE);
   1313 }
   1314 
   1315 double LocationBarView::GetValueForAnimation(bool hide) const {
   1316   int calculated_offset;
   1317   const gfx::Tween::Type tween_type = hide ? kHideTweenType : kShowTweenType;
   1318   int start_offset = starting_omnibox_offset_, end_offset = 0;
   1319   if (hide)
   1320     std::swap(start_offset, end_offset);
   1321   const int desired_offset = abs(current_omnibox_offset_);
   1322   // Binary-search the value space (0 <= value <= 1) to find the appropriate
   1323   // position.  We only bother to iterate to within 1/64 of the desired value,
   1324   // because the longer of the two animations will only run for twelve frames
   1325   // anyway (200 ms * 60 Hz), so at this point we'll have a maximum error of
   1326   // less than a fifth of an animation frame, which the user isn't going to
   1327   // notice.
   1328   //
   1329   // We have to use this method because Tween::CalculateValue() is not
   1330   // necessarily easily invertible.  Luckily, this only runs when the user
   1331   // reverses the animation (rare), and the limit on how many iterations we'll
   1332   // do ensures the cost is unnoticeable.
   1333   double value = 0.5;
   1334   double step = value / 2;
   1335   do {
   1336     calculated_offset = abs(gfx::Tween::IntValueBetween(
   1337         gfx::Tween::CalculateValue(tween_type, value), start_offset,
   1338         end_offset));
   1339     if (calculated_offset < desired_offset)
   1340       value += step;
   1341     else if (calculated_offset > desired_offset)
   1342       value -= step;
   1343     step /= 2;
   1344   } while ((calculated_offset != desired_offset) && (step >= (1.0 / 64)));
   1345   return value;
   1346 }
   1347 
   1348 void LocationBarView::ResetShowAnimationAndColors() {
   1349   show_url_animation_->Reset();
   1350   omnibox_view_->UseDefaultSelectionTextColor();
   1351   omnibox_view_->UseDefaultSelectionBackgroundColor();
   1352 }
   1353 
   1354 ////////////////////////////////////////////////////////////////////////////////
   1355 // LocationBarView, private LocationBar implementation:
   1356 
   1357 void LocationBarView::ShowFirstRunBubble() {
   1358   // Wait until search engines have loaded to show the first run bubble.
   1359   TemplateURLService* url_service =
   1360       TemplateURLServiceFactory::GetForProfile(profile());
   1361   if (!url_service->loaded()) {
   1362     template_url_service_ = url_service;
   1363     template_url_service_->AddObserver(this);
   1364     template_url_service_->Load();
   1365     return;
   1366   }
   1367   ShowFirstRunBubbleInternal();
   1368 }
   1369 
   1370 GURL LocationBarView::GetDestinationURL() const {
   1371   return destination_url();
   1372 }
   1373 
   1374 WindowOpenDisposition LocationBarView::GetWindowOpenDisposition() const {
   1375   return disposition();
   1376 }
   1377 
   1378 content::PageTransition LocationBarView::GetPageTransition() const {
   1379   return transition();
   1380 }
   1381 
   1382 void LocationBarView::AcceptInput() {
   1383   omnibox_view_->model()->AcceptInput(CURRENT_TAB, false);
   1384 }
   1385 
   1386 void LocationBarView::FocusSearch() {
   1387   omnibox_view_->SetFocus();
   1388   omnibox_view_->SetForcedQuery();
   1389 }
   1390 
   1391 void LocationBarView::UpdateContentSettingsIcons() {
   1392   if (RefreshContentSettingViews()) {
   1393     Layout();
   1394     SchedulePaint();
   1395   }
   1396 }
   1397 
   1398 void LocationBarView::UpdateManagePasswordsIconAndBubble() {
   1399   if (RefreshManagePasswordsIconView()) {
   1400     Layout();
   1401     SchedulePaint();
   1402   }
   1403 }
   1404 
   1405 void LocationBarView::UpdatePageActions() {
   1406   size_t count_before = page_action_views_.size();
   1407   bool changed = RefreshPageActionViews();
   1408   if (page_action_views_.size() != count_before) {
   1409     content::NotificationService::current()->Notify(
   1410         chrome::NOTIFICATION_EXTENSION_PAGE_ACTION_COUNT_CHANGED,
   1411         content::Source<LocationBar>(this),
   1412         content::NotificationService::NoDetails());
   1413   }
   1414 
   1415   if (changed) {
   1416     Layout();
   1417     SchedulePaint();
   1418   }
   1419 }
   1420 
   1421 void LocationBarView::InvalidatePageActions() {
   1422   size_t count_before = page_action_views_.size();
   1423   DeletePageActionViews();
   1424   if (page_action_views_.size() != count_before) {
   1425     content::NotificationService::current()->Notify(
   1426         chrome::NOTIFICATION_EXTENSION_PAGE_ACTION_COUNT_CHANGED,
   1427         content::Source<LocationBar>(this),
   1428         content::NotificationService::NoDetails());
   1429   }
   1430 }
   1431 
   1432 void LocationBarView::UpdateOpenPDFInReaderPrompt() {
   1433   open_pdf_in_reader_view_->Update(
   1434       GetToolbarModel()->input_in_progress() ? NULL : GetWebContents());
   1435   Layout();
   1436   SchedulePaint();
   1437 }
   1438 
   1439 void LocationBarView::UpdateGeneratedCreditCardView() {
   1440   generated_credit_card_view_->Update();
   1441   Layout();
   1442   SchedulePaint();
   1443 }
   1444 
   1445 void LocationBarView::SaveStateToContents(WebContents* contents) {
   1446   // If we're about to switch tabs, complete any current animations, so that if
   1447   // the user is in the midst of hiding the URL, when he returns to this tab,
   1448   // the URL will be hidden rather than shown.
   1449   // NOTE: This must be called before SaveStateToTab().
   1450   EndOriginChipAnimations(true);
   1451   omnibox_view_->SaveStateToTab(contents);
   1452 }
   1453 
   1454 const OmniboxView* LocationBarView::GetOmniboxView() const {
   1455   return omnibox_view_;
   1456 }
   1457 
   1458 LocationBarTesting* LocationBarView::GetLocationBarForTesting() {
   1459   return this;
   1460 }
   1461 
   1462 ////////////////////////////////////////////////////////////////////////////////
   1463 // LocationBarView, private LocationBarTesting implementation:
   1464 
   1465 int LocationBarView::PageActionCount() {
   1466   return page_action_views_.size();
   1467 }
   1468 
   1469 int LocationBarView::PageActionVisibleCount() {
   1470   int result = 0;
   1471   for (size_t i = 0; i < page_action_views_.size(); i++) {
   1472     if (page_action_views_[i]->visible())
   1473       ++result;
   1474   }
   1475   return result;
   1476 }
   1477 
   1478 ExtensionAction* LocationBarView::GetPageAction(size_t index) {
   1479   if (index < page_action_views_.size())
   1480     return page_action_views_[index]->image_view()->page_action();
   1481 
   1482   NOTREACHED();
   1483   return NULL;
   1484 }
   1485 
   1486 ExtensionAction* LocationBarView::GetVisiblePageAction(size_t index) {
   1487   size_t current = 0;
   1488   for (size_t i = 0; i < page_action_views_.size(); ++i) {
   1489     if (page_action_views_[i]->visible()) {
   1490       if (current == index)
   1491         return page_action_views_[i]->image_view()->page_action();
   1492 
   1493       ++current;
   1494     }
   1495   }
   1496 
   1497   NOTREACHED();
   1498   return NULL;
   1499 }
   1500 
   1501 void LocationBarView::TestPageActionPressed(size_t index) {
   1502   size_t current = 0;
   1503   for (size_t i = 0; i < page_action_views_.size(); ++i) {
   1504     if (page_action_views_[i]->visible()) {
   1505       if (current == index) {
   1506         page_action_views_[i]->image_view()->ExecuteAction(
   1507             ExtensionPopup::SHOW);
   1508         return;
   1509       }
   1510       ++current;
   1511     }
   1512   }
   1513 
   1514   NOTREACHED();
   1515 }
   1516 
   1517 bool LocationBarView::GetBookmarkStarVisibility() {
   1518   DCHECK(star_view_);
   1519   return star_view_->visible();
   1520 }
   1521 
   1522 ////////////////////////////////////////////////////////////////////////////////
   1523 // LocationBarView, private views::View implementation:
   1524 
   1525 const char* LocationBarView::GetClassName() const {
   1526   return kViewClassName;
   1527 }
   1528 
   1529 void LocationBarView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
   1530   InstantServiceFactory::GetForProfile(profile())->OnOmniboxStartMarginChanged(
   1531       bounds().x());
   1532 
   1533   OmniboxPopupView* popup = omnibox_view_->model()->popup_model()->view();
   1534   if (popup->IsOpen())
   1535     popup->UpdatePopupAppearance();
   1536 }
   1537 
   1538 void LocationBarView::OnFocus() {
   1539   // Explicitly focus the omnibox so a focus ring will be displayed around it on
   1540   // Windows.
   1541   omnibox_view_->SetFocus();
   1542 }
   1543 
   1544 void LocationBarView::OnPaint(gfx::Canvas* canvas) {
   1545   View::OnPaint(canvas);
   1546 
   1547   // Fill the location bar background color behind the border.  Parts of the
   1548   // border images are meant to rest atop the toolbar background and parts atop
   1549   // the omnibox background, so we can't just blindly fill our entire bounds.
   1550   gfx::Rect bounds(GetContentsBounds());
   1551   bounds.Inset(GetHorizontalEdgeThickness(), vertical_edge_thickness());
   1552   SkColor color(GetColor(ToolbarModel::NONE, BACKGROUND));
   1553   if (is_popup_mode_) {
   1554     canvas->FillRect(bounds, color);
   1555   } else {
   1556     SkPaint paint;
   1557     paint.setStyle(SkPaint::kFill_Style);
   1558     paint.setColor(color);
   1559     const int kBorderCornerRadius = 2;
   1560     canvas->DrawRoundRect(bounds, kBorderCornerRadius, paint);
   1561   }
   1562 
   1563   // The border itself will be drawn in PaintChildren() since it includes an
   1564   // inner shadow which should be drawn over the contents.
   1565 }
   1566 
   1567 void LocationBarView::PaintChildren(gfx::Canvas* canvas,
   1568                                     const views::CullSet& cull_set) {
   1569   // Paint all the children except for the omnibox itself, which may need to be
   1570   // clipped if it's animating in, and the origin chip and the search button,
   1571   // which will be painted after the border.
   1572   for (int i = 0, count = child_count(); i < count; ++i) {
   1573     views::View* child = child_at(i);
   1574     if (!child->layer() && (child != omnibox_view_) &&
   1575         (child != origin_chip_view_) && (child != search_button_))
   1576       child->Paint(canvas, cull_set);
   1577   }
   1578 
   1579   {
   1580     gfx::ScopedCanvas scoped_canvas(canvas);
   1581     if (show_url_animation_->is_animating() ||
   1582         hide_url_animation_->is_animating()) {
   1583       gfx::Rect clip_rect(omnibox_view_->bounds());
   1584       clip_rect.Inset(current_omnibox_leading_inset_, 0, 0, 0);
   1585       clip_rect.set_width(current_omnibox_width_);
   1586       clip_rect.set_x(GetMirroredXForRect(clip_rect));
   1587       canvas->ClipRect(clip_rect);
   1588     }
   1589     omnibox_view_->Paint(canvas, cull_set);
   1590   }
   1591 
   1592   // For non-InstantExtendedAPI cases, if necessary, show focus rect. As we need
   1593   // the focus rect to appear on top of children we paint here rather than
   1594   // OnPaint().
   1595   // Note: |Canvas::DrawFocusRect| paints a dashed rect with gray color.
   1596   if (show_focus_rect_ && HasFocus())
   1597     canvas->DrawFocusRect(omnibox_view_->bounds());
   1598 
   1599   // Maximized popup windows don't draw the horizontal edges.  We implement this
   1600   // by simply expanding the paint area outside the view by the edge thickness.
   1601   gfx::Rect border_rect(GetContentsBounds());
   1602   if (is_popup_mode_ && (GetHorizontalEdgeThickness() == 0))
   1603     border_rect.Inset(-kPopupEdgeThickness, 0);
   1604   views::Painter::PaintPainterAt(canvas, border_painter_.get(), border_rect);
   1605 
   1606   // The origin chip and the search button must be painted after the border so
   1607   // that the border shadow is not drawn over them.
   1608   origin_chip_view_->Paint(canvas, cull_set);
   1609   search_button_->Paint(canvas, cull_set);
   1610 }
   1611 
   1612 ////////////////////////////////////////////////////////////////////////////////
   1613 // LocationBarView, private views::ButtonListener implementation:
   1614 
   1615 void LocationBarView::ButtonPressed(views::Button* sender,
   1616                                     const ui::Event& event) {
   1617   if (sender == mic_search_view_) {
   1618     command_updater()->ExecuteCommand(IDC_TOGGLE_SPEECH_INPUT);
   1619     return;
   1620   }
   1621 
   1622   DCHECK_EQ(search_button_, sender);
   1623   // TODO(pkasting): When macourteau adds UMA stats for this, wire them up here.
   1624   omnibox_view_->model()->AcceptInput(
   1625       ui::DispositionFromEventFlags(event.flags()), false);
   1626 }
   1627 
   1628 ////////////////////////////////////////////////////////////////////////////////
   1629 // LocationBarView, private views::DragController implementation:
   1630 
   1631 void LocationBarView::WriteDragDataForView(views::View* sender,
   1632                                            const gfx::Point& press_pt,
   1633                                            OSExchangeData* data) {
   1634   DCHECK_NE(GetDragOperationsForView(sender, press_pt),
   1635             ui::DragDropTypes::DRAG_NONE);
   1636 
   1637   WebContents* web_contents = GetWebContents();
   1638   FaviconTabHelper* favicon_tab_helper =
   1639       FaviconTabHelper::FromWebContents(web_contents);
   1640   gfx::ImageSkia favicon = favicon_tab_helper->GetFavicon().AsImageSkia();
   1641   button_drag_utils::SetURLAndDragImage(web_contents->GetURL(),
   1642                                         web_contents->GetTitle(),
   1643                                         favicon,
   1644                                         NULL,
   1645                                         data,
   1646                                         sender->GetWidget());
   1647 }
   1648 
   1649 int LocationBarView::GetDragOperationsForView(views::View* sender,
   1650                                               const gfx::Point& p) {
   1651   DCHECK((sender == location_icon_view_) || (sender == ev_bubble_view_) ||
   1652          (sender == origin_chip_view_));
   1653   WebContents* web_contents = delegate_->GetWebContents();
   1654   return (web_contents && web_contents->GetURL().is_valid() &&
   1655           (!GetOmniboxView()->IsEditingOrEmpty() ||
   1656            sender == origin_chip_view_)) ?
   1657       (ui::DragDropTypes::DRAG_COPY | ui::DragDropTypes::DRAG_LINK) :
   1658       ui::DragDropTypes::DRAG_NONE;
   1659 }
   1660 
   1661 bool LocationBarView::CanStartDragForView(View* sender,
   1662                                           const gfx::Point& press_pt,
   1663                                           const gfx::Point& p) {
   1664   return true;
   1665 }
   1666 
   1667 ////////////////////////////////////////////////////////////////////////////////
   1668 // LocationBarView, private OmniboxEditController implementation:
   1669 
   1670 void LocationBarView::OnChanged() {
   1671   int icon_id = omnibox_view_->GetIcon();
   1672   location_icon_view_->SetImage(GetThemeProvider()->GetImageSkiaNamed(icon_id));
   1673   location_icon_view_->ShowTooltip(!GetOmniboxView()->IsEditingOrEmpty());
   1674 
   1675   ToolbarModel* toolbar_model = GetToolbarModel();
   1676   chrome::DisplaySearchButtonConditions conditions =
   1677       chrome::GetDisplaySearchButtonConditions();
   1678   bool meets_conditions =
   1679       (conditions == chrome::DISPLAY_SEARCH_BUTTON_ALWAYS) ||
   1680       ((conditions != chrome::DISPLAY_SEARCH_BUTTON_NEVER) &&
   1681        (toolbar_model->WouldPerformSearchTermReplacement(true) ||
   1682         ((conditions == chrome::DISPLAY_SEARCH_BUTTON_FOR_STR_OR_IIP) &&
   1683          toolbar_model->input_in_progress())));
   1684   search_button_->SetVisible(!is_popup_mode_ && meets_conditions);
   1685   search_button_->UpdateIcon(icon_id == IDR_OMNIBOX_SEARCH);
   1686 
   1687   origin_chip_view_->OnChanged();
   1688 
   1689   Layout();
   1690   SchedulePaint();
   1691 }
   1692 
   1693 void LocationBarView::OnSetFocus() {
   1694   GetFocusManager()->SetFocusedView(this);
   1695 }
   1696 
   1697 InstantController* LocationBarView::GetInstant() {
   1698   return delegate_->GetInstant();
   1699 }
   1700 
   1701 const ToolbarModel* LocationBarView::GetToolbarModel() const {
   1702   return delegate_->GetToolbarModel();
   1703 }
   1704 
   1705 void LocationBarView::HideURL() {
   1706   DCHECK(chrome::ShouldDisplayOriginChip());
   1707 
   1708   // If we're currently showing, reverse the hide by swapping to the hide
   1709   // animation, offset so that the text is in the same position.
   1710   if (show_url_animation_->is_animating()) {
   1711     const double hide_value = GetValueForAnimation(true);
   1712     ResetShowAnimationAndColors();
   1713     hide_url_animation_->Show();
   1714     // This must be done after calling Show() and is not equivalent to Reset(n);
   1715     // see comments in ShowURL().
   1716     hide_url_animation_->SetCurrentValue(hide_value);
   1717   } else {
   1718     hide_url_animation_->Show();
   1719   }
   1720 }
   1721 
   1722 ////////////////////////////////////////////////////////////////////////////////
   1723 // LocationBarView, private DropdownBarHostDelegate implementation:
   1724 
   1725 void LocationBarView::SetFocusAndSelection(bool select_all) {
   1726   FocusLocation(select_all);
   1727 }
   1728 
   1729 void LocationBarView::SetAnimationOffset(int offset) {
   1730   dropdown_animation_offset_ = offset;
   1731 }
   1732 
   1733 ////////////////////////////////////////////////////////////////////////////////
   1734 // LocationBarView, private gfx::AnimationDelegate implementation:
   1735 
   1736 void LocationBarView::AnimationProgressed(const gfx::Animation* animation) {
   1737   DCHECK((animation == show_url_animation_.get()) ||
   1738       (animation == hide_url_animation_.get()));
   1739   Layout();
   1740   SchedulePaint();
   1741 }
   1742 
   1743 void LocationBarView::AnimationEnded(const gfx::Animation* animation) {
   1744   if (animation == show_url_animation_.get()) {
   1745     ResetShowAnimationAndColors();
   1746     Layout();
   1747     SchedulePaint();
   1748   } else {
   1749     DCHECK(animation == hide_url_animation_.get());
   1750     hide_url_animation_->Reset();
   1751     origin_chip_view_->FadeIn();
   1752     omnibox_view_->HideURL();  // Calls OnChanged(), triggering layout.
   1753   }
   1754 }
   1755 
   1756 ////////////////////////////////////////////////////////////////////////////////
   1757 // LocationBarView, private TemplateURLServiceObserver implementation:
   1758 
   1759 void LocationBarView::OnTemplateURLServiceChanged() {
   1760   template_url_service_->RemoveObserver(this);
   1761   template_url_service_ = NULL;
   1762   // If the browser is no longer active, let's not show the info bubble, as this
   1763   // would make the browser the active window again.
   1764   if (omnibox_view_ && omnibox_view_->GetWidget()->IsActive())
   1765     ShowFirstRunBubble();
   1766 }
   1767 
   1768 ////////////////////////////////////////////////////////////////////////////////
   1769 // LocationBarView, private content::NotificationObserver implementation:
   1770 
   1771 void LocationBarView::Observe(int type,
   1772                               const content::NotificationSource& source,
   1773                               const content::NotificationDetails& details) {
   1774   switch (type) {
   1775     case chrome::NOTIFICATION_EXTENSION_LOADED_DEPRECATED:
   1776     case chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED:
   1777       Update(NULL);
   1778       break;
   1779 
   1780     default:
   1781       NOTREACHED() << "Unexpected notification.";
   1782   }
   1783 }
   1784 
   1785 ////////////////////////////////////////////////////////////////////////////////
   1786 // LocationBarView, private SearchModelObserver implementation:
   1787 
   1788 void LocationBarView::ModelChanged(const SearchModel::State& old_state,
   1789                                    const SearchModel::State& new_state) {
   1790   const bool visible = !GetToolbarModel()->input_in_progress() &&
   1791       new_state.voice_search_supported;
   1792   if (mic_search_view_->visible() != visible) {
   1793     mic_search_view_->SetVisible(visible);
   1794     Layout();
   1795   }
   1796 }
   1797 
   1798