Index: chrome/browser/search/google_search_provider_service.cc |
diff --git a/chrome/browser/search/google_search_provider_service.cc b/chrome/browser/search/google_search_provider_service.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..b64dca9ce311a50171f1b8f82ba4f156c74aee32 |
--- /dev/null |
+++ b/chrome/browser/search/google_search_provider_service.cc |
@@ -0,0 +1,64 @@ |
+// 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/google_search_provider_service.h" |
+ |
+#include "components/search_engines/template_url_service.h" |
+ |
+namespace { |
+ |
+bool DefaultSearchProviderIsGoogleImpl( |
+ const TemplateURLService* template_url_service) { |
+ if (!template_url_service) |
+ return false; |
+ |
+ const TemplateURL* default_provider = |
+ template_url_service->GetDefaultSearchProvider(); |
+ return default_provider && (default_provider->GetEngineType( |
+ template_url_service->search_terms_data()) == |
+ SEARCH_ENGINE_GOOGLE); |
+} |
+ |
+} // namespace |
+ |
+GoogleSearchProviderService::GoogleSearchProviderService( |
+ TemplateURLService* template_url_service) |
+ : template_url_service_(template_url_service), |
+ template_url_service_observer_(this), |
+ is_google_(false) { |
+ if (template_url_service_) |
+ template_url_service_observer_.Add(template_url_service_); |
+ OnTemplateURLServiceChanged(); |
+} |
+ |
+GoogleSearchProviderService::~GoogleSearchProviderService() = default; |
+ |
+void GoogleSearchProviderService::Shutdown() { |
+ template_url_service_observer_.RemoveAll(); |
+ for (auto& observer : observers_) |
+ observer.OnGoogleSearchProviderServiceShuttingDown(); |
+} |
+ |
+bool GoogleSearchProviderService::DefaultSearchProviderIsGoogle() const { |
+ return is_google_; |
+} |
+ |
+void GoogleSearchProviderService::AddObserver( |
+ GoogleSearchProviderServiceObserver* observer) { |
+ observers_.AddObserver(observer); |
+} |
+ |
+void GoogleSearchProviderService::RemoveObserver( |
+ GoogleSearchProviderServiceObserver* observer) { |
+ observers_.RemoveObserver(observer); |
+} |
+ |
+void GoogleSearchProviderService::OnTemplateURLServiceChanged() { |
+ bool old_is_google = is_google_; |
+ is_google_ = DefaultSearchProviderIsGoogleImpl(template_url_service_); |
+ if (is_google_ != old_is_google) { |
+ for (auto& observer : observers_) |
+ observer.OnDefaultSearchProviderIsGoogleChanged(is_google_); |
+ } |
+} |