chrome/browser/ui/omnibox/omnibox_current_page_delegate_impl.cc

   1 // Copyright 2013 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/omnibox/omnibox_current_page_delegate_impl.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "chrome/browser/extensions/api/omnibox/omnibox_api.h"
   9 #include "chrome/browser/predictors/autocomplete_action_predictor.h"
  10 #include "chrome/browser/predictors/autocomplete_action_predictor_factory.h"
  11 #include "chrome/browser/profiles/profile.h"
  12 #include "chrome/browser/search/search.h"
  13 #include "chrome/browser/search_engines/template_url_service_factory.h"
  14 #include "chrome/browser/sessions/session_tab_helper.h"
  15 #include "chrome/browser/ui/omnibox/omnibox_edit_controller.h"
  16 #include "chrome/browser/ui/search/instant_search_prerenderer.h"
  17 #include "chrome/browser/ui/search/search_tab_helper.h"
  18 #include "components/omnibox/autocomplete_match.h"
  19 #include "components/search/search.h"
  20 #include "components/search_engines/template_url_service.h"
  21 #include "content/public/browser/navigation_controller.h"
  22 #include "content/public/browser/web_contents.h"
  23 #include "ui/base/window_open_disposition.h"
  24 #include "url/gurl.h"
  25
  26 OmniboxCurrentPageDelegateImpl::OmniboxCurrentPageDelegateImpl(
  27     OmniboxEditController* controller,
  28     Profile* profile)
  29     : controller_(controller),
  30       profile_(profile) {}
  31
  32 OmniboxCurrentPageDelegateImpl::~OmniboxCurrentPageDelegateImpl() {}
  33
  34 bool OmniboxCurrentPageDelegateImpl::CurrentPageExists() const {
  35   return (controller_->GetWebContents() != NULL);
  36 }
  37
  38 const GURL& OmniboxCurrentPageDelegateImpl::GetURL() const {
  39   return controller_->GetWebContents()->GetURL();
  40 }
  41
  42 bool OmniboxCurrentPageDelegateImpl::IsInstantNTP() const {
  43   return chrome::IsInstantNTP(controller_->GetWebContents());
  44 }
  45
  46 bool OmniboxCurrentPageDelegateImpl::IsSearchResultsPage() const {
  47   Profile* profile = Profile::FromBrowserContext(
  48       controller_->GetWebContents()->GetBrowserContext());
  49   return TemplateURLServiceFactory::GetForProfile(profile)->
  50       IsSearchResultsPageFromDefaultSearchProvider(GetURL());
  51 }
  52
  53 bool OmniboxCurrentPageDelegateImpl::IsLoading() const {
  54   return controller_->GetWebContents()->IsLoading();
  55 }
  56
  57 content::NavigationController&
  58     OmniboxCurrentPageDelegateImpl::GetNavigationController() const {
  59   return controller_->GetWebContents()->GetController();
  60 }
  61
  62 const SessionID& OmniboxCurrentPageDelegateImpl::GetSessionID() const {
  63   return SessionTabHelper::FromWebContents(
  64       controller_->GetWebContents())->session_id();
  65 }
  66
  67 bool OmniboxCurrentPageDelegateImpl::ProcessExtensionKeyword(
  68     TemplateURL* template_url,
  69     const AutocompleteMatch& match,
  70     WindowOpenDisposition disposition) {
  71   if (template_url->GetType() != TemplateURL::OMNIBOX_API_EXTENSION)
  72     return false;
  73
  74   // Strip the keyword + leading space off the input.
  75   size_t prefix_length = match.keyword.length() + 1;
  76   extensions::ExtensionOmniboxEventRouter::OnInputEntered(
  77       controller_->GetWebContents(),
  78       template_url->GetExtensionId(),
  79       base::UTF16ToUTF8(match.fill_into_edit.substr(prefix_length)),
  80       disposition);
  81
  82   return true;
  83 }
  84
  85 void OmniboxCurrentPageDelegateImpl::OnInputStateChanged() {
  86   if (!controller_->GetWebContents())
  87     return;
  88   SearchTabHelper::FromWebContents(
  89       controller_->GetWebContents())->OmniboxInputStateChanged();
  90 }
  91
  92 void OmniboxCurrentPageDelegateImpl::OnFocusChanged(
  93     OmniboxFocusState state,
  94     OmniboxFocusChangeReason reason) {
  95   if (!controller_->GetWebContents())
  96     return;
  97   SearchTabHelper::FromWebContents(
  98       controller_->GetWebContents())->OmniboxFocusChanged(state, reason);
  99 }
 100
 101 void OmniboxCurrentPageDelegateImpl::DoPrerender(
 102     const AutocompleteMatch& match) {
 103   content::WebContents* web_contents = controller_->GetWebContents();
 104   gfx::Rect container_bounds = web_contents->GetContainerBounds();
 105
 106   InstantSearchPrerenderer* prerenderer =
 107       InstantSearchPrerenderer::GetForProfile(profile_);
 108   if (prerenderer && prerenderer->IsAllowed(match, web_contents)) {
 109     prerenderer->Init(
 110         web_contents->GetController().GetSessionStorageNamespaceMap(),
 111         container_bounds.size());
 112     return;
 113   }
 114
 115   predictors::AutocompleteActionPredictorFactory::GetForProfile(profile_)->
 116       StartPrerendering(
 117           match.destination_url,
 118           web_contents->GetController().GetSessionStorageNamespaceMap(),
 119           container_bounds.size());
 120 }
 121
 122 void OmniboxCurrentPageDelegateImpl::SetSuggestionToPrefetch(
 123       const InstantSuggestion& suggestion) {
 124   DCHECK(chrome::IsInstantExtendedAPIEnabled());
 125   content::WebContents* web_contents = controller_->GetWebContents();
 126   if (web_contents &&
 127       SearchTabHelper::FromWebContents(web_contents)->IsSearchResultsPage()) {
 128     if (chrome::ShouldPrefetchSearchResultsOnSRP()) {
 129       SearchTabHelper::FromWebContents(web_contents)->
 130           SetSuggestionToPrefetch(suggestion);
 131     }
 132   } else {
 133     InstantSearchPrerenderer* prerenderer =
 134         InstantSearchPrerenderer::GetForProfile(profile_);
 135     if (prerenderer)
 136       prerenderer->Prerender(suggestion);
 137   }
 138 }