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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/autocomplete/autocomplete_match.h"
9 #include "chrome/browser/extensions/api/omnibox/omnibox_api.h"
10 #include "chrome/browser/predictors/autocomplete_action_predictor.h"
11 #include "chrome/browser/predictors/autocomplete_action_predictor_factory.h"
12 #include "chrome/browser/profiles/profile.h"
13 #include "chrome/browser/search/search.h"
14 #include "chrome/browser/search_engines/template_url_service.h"
15 #include "chrome/browser/search_engines/template_url_service_factory.h"
16 #include "chrome/browser/sessions/session_tab_helper.h"
17 #include "chrome/browser/ui/omnibox/omnibox_edit_controller.h"
18 #include "chrome/browser/ui/search/instant_search_prerenderer.h"
19 #include "chrome/browser/ui/search/search_tab_helper.h"
20 #include "content/public/browser/navigation_controller.h"
21 #include "content/public/browser/web_contents.h"
22 #include "content/public/browser/web_contents_view.h"
23 #include "ui/base/window_open_disposition.h"
24 #include "url/gurl.h"
25 
OmniboxCurrentPageDelegateImpl(OmniboxEditController * controller,Profile * profile)26 OmniboxCurrentPageDelegateImpl::OmniboxCurrentPageDelegateImpl(
27     OmniboxEditController* controller,
28     Profile* profile)
29     : controller_(controller),
30       profile_(profile) {}
31 
~OmniboxCurrentPageDelegateImpl()32 OmniboxCurrentPageDelegateImpl::~OmniboxCurrentPageDelegateImpl() {}
33 
CurrentPageExists() const34 bool OmniboxCurrentPageDelegateImpl::CurrentPageExists() const {
35   return (controller_->GetWebContents() != NULL);
36 }
37 
GetURL() const38 const GURL& OmniboxCurrentPageDelegateImpl::GetURL() const {
39   return controller_->GetWebContents()->GetURL();
40 }
41 
IsInstantNTP() const42 bool OmniboxCurrentPageDelegateImpl::IsInstantNTP() const {
43   return chrome::IsInstantNTP(controller_->GetWebContents());
44 }
45 
IsSearchResultsPage() const46 bool OmniboxCurrentPageDelegateImpl::IsSearchResultsPage() const {
47   Profile* profile = Profile::FromBrowserContext(
48       controller_->GetWebContents()->GetBrowserContext());
49   return TemplateURLServiceFactory::GetForProfile(profile)->
50       IsSearchResultsPageFromDefaultSearchProvider(GetURL());
51 }
52 
IsLoading() const53 bool OmniboxCurrentPageDelegateImpl::IsLoading() const {
54   return controller_->GetWebContents()->IsLoading();
55 }
56 
57 content::NavigationController&
GetNavigationController() const58     OmniboxCurrentPageDelegateImpl::GetNavigationController() const {
59   return controller_->GetWebContents()->GetController();
60 }
61 
GetSessionID() const62 const SessionID& OmniboxCurrentPageDelegateImpl::GetSessionID() const {
63   return SessionTabHelper::FromWebContents(
64       controller_->GetWebContents())->session_id();
65 }
66 
ProcessExtensionKeyword(TemplateURL * template_url,const AutocompleteMatch & match,WindowOpenDisposition disposition)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       UTF16ToUTF8(match.fill_into_edit.substr(prefix_length)),
80       disposition);
81 
82   return true;
83 }
84 
NotifySearchTabHelper(bool user_input_in_progress,bool cancelling)85 void OmniboxCurrentPageDelegateImpl::NotifySearchTabHelper(
86     bool user_input_in_progress,
87     bool cancelling) {
88   if (!controller_->GetWebContents())
89     return;
90   SearchTabHelper::FromWebContents(
91       controller_->GetWebContents())->OmniboxEditModelChanged(
92           user_input_in_progress, cancelling);
93 }
94 
DoPrerender(const AutocompleteMatch & match)95 void OmniboxCurrentPageDelegateImpl::DoPrerender(
96     const AutocompleteMatch& match) {
97   content::WebContents* web_contents = controller_->GetWebContents();
98   gfx::Rect container_bounds;
99   web_contents->GetView()->GetContainerBounds(&container_bounds);
100 
101   InstantSearchPrerenderer* prerenderer =
102       InstantSearchPrerenderer::GetForProfile(profile_);
103   if (prerenderer && prerenderer->IsAllowed(match, web_contents)) {
104     prerenderer->Init(
105         web_contents->GetController().GetSessionStorageNamespaceMap(),
106         container_bounds.size());
107     return;
108   }
109 
110   predictors::AutocompleteActionPredictorFactory::GetForProfile(profile_)->
111       StartPrerendering(
112           match.destination_url,
113           web_contents->GetController().GetSessionStorageNamespaceMap(),
114           container_bounds.size());
115 }
116