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// 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 "chrome/browser/browser_process.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/google/google_url_tracker_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/search_engines/ui_thread_search_terms_data.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 "components/prefs/pref_service.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "google_apis/google_api_keys.h"
using content::RenderFrameHost;
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) {
if (google_util::IsGoogleDomainUrl(GetNavigationCorrectionURL(),
google_util::ALLOW_SUBDOMAIN,
google_util::ALLOW_NON_STANDARD_PORTS))
google_url_tracker->RequestServerCheck(false);
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::RenderFrameCreated(
RenderFrameHost* render_frame_host) {
// Ignore subframe creation - only main frame error pages can request and
// display nagivation correction information.
if (render_frame_host->GetParent())
return;
UpdateNavigationCorrectionInfo(render_frame_host);
}
////////////////////////////////////////////////////////////////////////////////
// Internal helpers
void NavigationCorrectionTabObserver::OnGoogleURLUpdated() {
UpdateNavigationCorrectionInfo(web_contents()->GetMainFrame());
}
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()->GetMainFrame());
}
void NavigationCorrectionTabObserver::UpdateNavigationCorrectionInfo(
RenderFrameHost* render_frame_host) {
GURL google_base_url(UIThreadSearchTermsData(profile_).GoogleBaseURLValue());
render_frame_host->Send(new ChromeViewMsg_SetNavigationCorrectionInfo(
render_frame_host->GetRoutingID(),
GetNavigationCorrectionURL(),
google_util::GetGoogleLocale(g_browser_process->GetApplicationLocale()),
google_util::GetGoogleCountryCode(google_base_url),
google_apis::GetAPIKey(),
google_util::GetGoogleSearchURL(google_base_url)));
}
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