| // Copyright (c) 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. |
| |
| #include "chrome/browser/ui/navigation_correction_tab_observer.h" |
| |
| #include "base/prefs/pref_service.h" |
| #include "chrome/browser/browser_process.h" |
| #include "chrome/browser/chrome_notification_types.h" |
| #include "chrome/browser/google/google_profile_helper.h" |
| #include "chrome/browser/google/google_url_tracker_factory.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/common/pref_names.h" |
| #include "chrome/common/render_messages.h" |
| #include "components/google/core/browser/google_util.h" |
| #include "components/pref_registry/pref_registry_syncable.h" |
| #include "content/public/browser/render_frame_host.h" |
| #include "content/public/browser/render_view_host.h" |
| #include "content/public/browser/web_contents.h" |
| #include "google_apis/google_api_keys.h" |
| |
| using content::RenderFrameHost; |
| using content::RenderViewHost; |
| using content::WebContents; |
| |
| DEFINE_WEB_CONTENTS_USER_DATA_KEY(NavigationCorrectionTabObserver); |
| |
| NavigationCorrectionTabObserver::NavigationCorrectionTabObserver( |
| WebContents* web_contents) |
| : content::WebContentsObserver(web_contents), |
| profile_(Profile::FromBrowserContext(web_contents->GetBrowserContext())) { |
| PrefService* prefs = profile_->GetPrefs(); |
| if (prefs) { |
| pref_change_registrar_.Init(prefs); |
| pref_change_registrar_.Add( |
| prefs::kAlternateErrorPagesEnabled, |
| base::Bind(&NavigationCorrectionTabObserver::OnEnabledChanged, |
| base::Unretained(this))); |
| } |
| |
| GoogleURLTracker* google_url_tracker = |
| GoogleURLTrackerFactory::GetForProfile(profile_); |
| if (google_url_tracker) { |
| google_url_updated_subscription_ = google_url_tracker->RegisterCallback( |
| base::Bind(&NavigationCorrectionTabObserver::OnGoogleURLUpdated, |
| base::Unretained(this))); |
| } |
| } |
| |
| NavigationCorrectionTabObserver::~NavigationCorrectionTabObserver() { |
| } |
| |
| // static |
| void NavigationCorrectionTabObserver::RegisterProfilePrefs( |
| user_prefs::PrefRegistrySyncable* prefs) { |
| prefs->RegisterBooleanPref(prefs::kAlternateErrorPagesEnabled, |
| true, |
| user_prefs::PrefRegistrySyncable::SYNCABLE_PREF); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // WebContentsObserver overrides |
| |
| void NavigationCorrectionTabObserver::RenderViewCreated( |
| RenderViewHost* render_view_host) { |
| UpdateNavigationCorrectionInfo(render_view_host); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Internal helpers |
| |
| void NavigationCorrectionTabObserver::OnGoogleURLUpdated(GURL old_url, |
| GURL new_url) { |
| UpdateNavigationCorrectionInfo(web_contents()->GetRenderViewHost()); |
| } |
| |
| GURL NavigationCorrectionTabObserver::GetNavigationCorrectionURL() const { |
| // Disable navigation corrections when the preference is disabled or when in |
| // Incognito mode. |
| if (!profile_->GetPrefs()->GetBoolean(prefs::kAlternateErrorPagesEnabled) || |
| profile_->IsOffTheRecord()) { |
| return GURL(); |
| } |
| |
| return google_util::LinkDoctorBaseURL(); |
| } |
| |
| void NavigationCorrectionTabObserver::OnEnabledChanged() { |
| UpdateNavigationCorrectionInfo(web_contents()->GetRenderViewHost()); |
| } |
| |
| void NavigationCorrectionTabObserver::UpdateNavigationCorrectionInfo( |
| RenderViewHost* rvh) { |
| RenderFrameHost* rfh = rvh->GetMainFrame(); |
| rfh->Send(new ChromeViewMsg_SetNavigationCorrectionInfo( |
| rfh->GetRoutingID(), |
| GetNavigationCorrectionURL(), |
| google_util::GetGoogleLocale(g_browser_process->GetApplicationLocale()), |
| google_util::GetGoogleCountryCode( |
| google_profile_helper::GetGoogleHomePageURL(profile_)), |
| google_apis::GetAPIKey(), |
| google_util::GetGoogleSearchURL( |
| google_profile_helper::GetGoogleHomePageURL(profile_)))); |
| } |