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// Copyright 2017 The Chromium Authors
// 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"
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),
previous_google_base_url_(search_terms_data_->GoogleBaseURLValue()) {
DCHECK(template_url_service_);
observation_.Observe(template_url_service_.get());
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_ = std::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_);
}
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