search_provider_observer.cc 1.1 KB

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  1. // Copyright 2019 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #include "components/search/search_provider_observer.h"
  5. #include "components/search/search.h"
  6. SearchProviderObserver::SearchProviderObserver(TemplateURLService* service,
  7. base::RepeatingClosure callback)
  8. : service_(service),
  9. is_google_(search::DefaultSearchProviderIsGoogle(service_)),
  10. callback_(std::move(callback)) {
  11. if (service_) {
  12. service_observation_.Observe(service_.get());
  13. }
  14. }
  15. SearchProviderObserver::~SearchProviderObserver() = default;
  16. bool SearchProviderObserver::is_google() {
  17. return is_google_;
  18. }
  19. void SearchProviderObserver::OnTemplateURLServiceChanged() {
  20. DCHECK(service_);
  21. is_google_ = search::DefaultSearchProviderIsGoogle(service_);
  22. callback_.Run();
  23. }
  24. void SearchProviderObserver::OnTemplateURLServiceShuttingDown() {
  25. DCHECK(service_);
  26. DCHECK(service_observation_.IsObservingSource(service_.get()));
  27. service_observation_.Reset();
  28. service_ = nullptr;
  29. }