| // Copyright 2017 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/search/search_engine_base_url_tracker.h" |
| |
| |
| #include "components/search_engines/search_terms_data.h" |
| #include "components/search_engines/template_url_service.h" |
| |
| SearchEngineBaseURLTracker::SearchEngineBaseURLTracker( |
| TemplateURLService* template_url_service, |
| std::unique_ptr<SearchTermsData> search_terms_data, |
| const BaseURLChangedCallback& base_url_changed_callback) |
| : template_url_service_(template_url_service), |
| search_terms_data_(std::move(search_terms_data)), |
| base_url_changed_callback_(base_url_changed_callback), |
| observer_(this), |
| previous_google_base_url_(search_terms_data_->GoogleBaseURLValue()) { |
| DCHECK(template_url_service_); |
| |
| observer_.Add(template_url_service_); |
| |
| const TemplateURL* default_search_provider = |
| template_url_service_->GetDefaultSearchProvider(); |
| if (default_search_provider) |
| previous_default_search_provider_data_ = default_search_provider->data(); |
| } |
| |
| SearchEngineBaseURLTracker::~SearchEngineBaseURLTracker() = default; |
| |
| void SearchEngineBaseURLTracker::OnTemplateURLServiceChanged() { |
| GURL google_base_url; |
| if (HasGoogleBaseURL()) |
| google_base_url = GURL(search_terms_data_->GoogleBaseURLValue()); |
| |
| // Check whether the default search provider was changed. |
| const TemplateURL* template_url = |
| template_url_service_->GetDefaultSearchProvider(); |
| const TemplateURLData* previous_data = |
| previous_default_search_provider_data_.has_value() |
| ? &previous_default_search_provider_data_.value() |
| : nullptr; |
| bool default_search_provider_changed = !TemplateURL::MatchesData( |
| template_url, previous_data, *search_terms_data_); |
| if (default_search_provider_changed) { |
| if (template_url) |
| previous_default_search_provider_data_ = template_url->data(); |
| else |
| previous_default_search_provider_data_ = base::nullopt; |
| |
| // Also update the cached Google base URL, without separately notifying. |
| previous_google_base_url_ = google_base_url; |
| |
| base_url_changed_callback_.Run(ChangeReason::DEFAULT_SEARCH_PROVIDER); |
| return; |
| } |
| |
| // Check whether the Google base URL has changed. |
| // Note that, even if the TemplateURL for the Default Search Provider has not |
| // changed, the effective URLs might change if they reference the Google base |
| // URL. The TemplateURLService will notify us when the effective URL changes |
| // in this way but it's up to us to do the work to check both. |
| if (google_base_url != previous_google_base_url_) { |
| previous_google_base_url_ = google_base_url; |
| if (HasGoogleBaseURL()) |
| base_url_changed_callback_.Run(ChangeReason::GOOGLE_BASE_URL); |
| } |
| } |
| |
| bool SearchEngineBaseURLTracker::HasGoogleBaseURL() { |
| const TemplateURL* template_url = |
| template_url_service_->GetDefaultSearchProvider(); |
| |
| return template_url && template_url->HasGoogleBaseURLs(*search_terms_data_); |
| } |