Alternate NTP: Add search token to omnibox

chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
@@ skipping 22 matching lines @@
 #import "chrome/browser/ui/cocoa/extensions/extension_popup_controller.h"
 #import "chrome/browser/ui/cocoa/first_run_bubble_controller.h"
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.h"
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_cell.h"
 #import "chrome/browser/ui/cocoa/location_bar/content_setting_decoration.h"
 #import "chrome/browser/ui/cocoa/location_bar/ev_bubble_decoration.h"
 #import "chrome/browser/ui/cocoa/location_bar/keyword_hint_decoration.h"
 #import "chrome/browser/ui/cocoa/location_bar/location_icon_decoration.h"
 #import "chrome/browser/ui/cocoa/location_bar/page_action_decoration.h"
 #import "chrome/browser/ui/cocoa/location_bar/plus_decoration.h"
+#import "chrome/browser/ui/cocoa/location_bar/search_token_decoration.h"
 #import "chrome/browser/ui/cocoa/location_bar/selected_keyword_decoration.h"
+#import "chrome/browser/ui/cocoa/location_bar/separator_decoration.h"
 #import "chrome/browser/ui/cocoa/location_bar/star_decoration.h"
 #import "chrome/browser/ui/cocoa/location_bar/web_intents_button_decoration.h"
 #import "chrome/browser/ui/cocoa/location_bar/zoom_decoration.h"
 #import "chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h"
 #include "chrome/browser/ui/content_settings/content_setting_bubble_model.h"
 #include "chrome/browser/ui/content_settings/content_setting_image_model.h"
 #include "chrome/browser/ui/intents/web_intent_picker_controller.h"
 #include "chrome/browser/ui/omnibox/alternate_nav_url_fetcher.h"
 #include "chrome/browser/ui/omnibox/location_bar_util.h"
 #import "chrome/browser/ui/omnibox/omnibox_popup_model.h"
@@ skipping 33 matching lines @@
     CommandUpdater* command_updater,
     ToolbarModel* toolbar_model,
     Profile* profile,
     Browser* browser)
     : omnibox_view_(new OmniboxViewMac(this, toolbar_model, profile,
                                        command_updater, field)),
       command_updater_(command_updater),
       field_(field),
       disposition_(CURRENT_TAB),
       location_icon_decoration_(new LocationIconDecoration(this)),
+      search_token_decoration_(new SearchTokenDecoration()),
       selected_keyword_decoration_(
           new SelectedKeywordDecoration(OmniboxViewMac::GetFieldFont())),
+      separator_decoration_(new SeparatorDecoration()),
       ev_bubble_decoration_(
           new EVBubbleDecoration(location_icon_decoration_.get(),
                                  OmniboxViewMac::GetFieldFont())),
       plus_decoration_(NULL),
       star_decoration_(new StarDecoration(command_updater)),
       zoom_decoration_(new ZoomDecoration(toolbar_model)),
       keyword_hint_decoration_(
           new KeywordHintDecoration(OmniboxViewMac::GetFieldFont())),
       web_intents_button_decoration_(
           new WebIntentsButtonDecoration(this, OmniboxViewMac::GetFieldFont())),
@@ skipping 586 matching lines @@
   for (size_t i = 0; i < page_action_decorations_.size(); ++i) {
     [cell addRightDecoration:page_action_decorations_[i]];
   }
   for (size_t i = 0; i < content_setting_decorations_.size(); ++i) {
     [cell addRightDecoration:content_setting_decorations_[i]];
   }
 
   [cell addRightDecoration:keyword_hint_decoration_.get()];
 
   [cell addRightDecoration:web_intents_button_decoration_.get()];
+  [cell addRightDecoration:separator_decoration_.get()];
+  [cell addRightDecoration:search_token_decoration_.get()];
 
   // By default only the location icon is visible.
   location_icon_decoration_->SetVisible(true);
   selected_keyword_decoration_->SetVisible(false);
   ev_bubble_decoration_->SetVisible(false);
   keyword_hint_decoration_->SetVisible(false);
+  separator_decoration_->SetVisible(false);
+  search_token_decoration_->SetVisible(false);
 
   // Get the keyword to use for keyword-search and hinting.
   const string16 keyword = omnibox_view_->model()->keyword();
   string16 short_name;
   bool is_extension_keyword = false;
   if (!keyword.empty()) {
     short_name = TemplateURLServiceFactory::GetForProfile(profile_)->
         GetKeywordShortName(keyword, &is_extension_keyword);
   }
+  bool show_search_token = !GetSearchProviderName().empty();

[Scott Hess - ex-Googler, 2013/01/29 23:28:37]

If you captured the GetSearchProviderName() results in a local variable, would
that result in two copies, or just one?  Asking due to having it called again if
non-empty().

[sail, 2013/01/30 01:40:56]

Done.
Changed to use a local variable.

 
   const bool is_keyword_hint = omnibox_view_->model()->is_keyword_hint();
 
-  if (!keyword.empty() && !is_keyword_hint) {
+  if (!keyword.empty() && !is_keyword_hint && !show_search_token) {
     // Switch from location icon to keyword mode.
     location_icon_decoration_->SetVisible(false);
     selected_keyword_decoration_->SetVisible(true);
     selected_keyword_decoration_->SetKeyword(short_name, is_extension_keyword);
     selected_keyword_decoration_->SetImage(GetKeywordImage(keyword));
   } else if (toolbar_model_->GetSecurityLevel() == ToolbarModel::EV_SECURE) {
     // Switch from location icon to show the EV bubble instead.
     location_icon_decoration_->SetVisible(false);
     ev_bubble_decoration_->SetVisible(true);
 
     string16 label(toolbar_model_->GetEVCertName());
     ev_bubble_decoration_->SetFullLabel(base::SysUTF16ToNSString(label));
-  } else if (!keyword.empty() && is_keyword_hint) {
+  } else if (!keyword.empty() && is_keyword_hint && !show_search_token) {
     keyword_hint_decoration_->SetKeyword(short_name,
                                          is_extension_keyword);
     keyword_hint_decoration_->SetVisible(true);
   }
 
+  if (show_search_token) {
+    separator_decoration_->SetVisible(true);
+    search_token_decoration_->set_search_provider_name(GetSearchProviderName());
+    search_token_decoration_->SetVisible(true);
+  }
+
   // These need to change anytime the layout changes.
   // TODO(shess): Anytime the field editor might have changed, the
   // cursor rects almost certainly should have changed.  The tooltips
   // might change even when the rects don't change.
   OnDecorationsChanged();
 }
 
 void LocationBarViewMac::RedrawDecoration(LocationBarDecoration* decoration) {
   AutocompleteTextFieldCell* cell = [field_ cell];
   NSRect frame = [cell frameForDecoration:decoration
@@ skipping 25 matching lines @@
     visible = false;
   star_decoration_->SetVisible(visible);
 }
 
 void LocationBarViewMac::UpdatePlusDecorationVisibility() {
   if (extensions::FeatureSwitch::action_box()->IsEnabled()) {
     // If the action box is enabled, hide it when input is in progress.
     plus_decoration_->SetVisible(!toolbar_model_->GetInputInProgress());
   }
 }
+
+string16 LocationBarViewMac::GetSearchProviderName() const {
+  if (!toolbar_model_->GetInputInProgress() &&
+      toolbar_model_->WouldReplaceSearchURLWithSearchTerms()) {
+    const TemplateURL* template_url =
+        TemplateURLServiceFactory::GetForProfile(profile_)->
+            GetDefaultSearchProvider();
+    if (template_url)
+      return template_url->short_name();
+  }
+  return string16();
+}