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| 1 // Copyright 2017 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 |
| 5 #include "chrome/browser/search/one_google_bar/one_google_bar_service.h" |
| 6 |
| 7 #include <utility> |
| 8 |
| 9 #include "base/bind.h" |
| 10 #include "base/callback.h" |
| 11 #include "base/memory/ptr_util.h" |
| 12 #include "chrome/browser/search/one_google_bar/one_google_bar_fetcher.h" |
| 13 #include "components/signin/core/browser/signin_manager_base.h" |
| 14 |
| 15 class OneGoogleBarService::SigninObserver : public SigninManagerBase::Observer { |
| 16 public: |
| 17 using SigninStatusChangedCallback = base::Closure; |
| 18 |
| 19 SigninObserver(SigninManagerBase* signin_manager, |
| 20 const SigninStatusChangedCallback& callback) |
| 21 : signin_manager_(signin_manager), callback_(callback) { |
| 22 signin_manager_->AddObserver(this); |
| 23 } |
| 24 |
| 25 ~SigninObserver() override { signin_manager_->RemoveObserver(this); } |
| 26 |
| 27 private: |
| 28 // SigninManagerBase::Observer implementation. |
| 29 void GoogleSigninSucceeded(const std::string& account_id, |
| 30 const std::string& username, |
| 31 const std::string& password) override { |
| 32 callback_.Run(); |
| 33 } |
| 34 |
| 35 void GoogleSignedOut(const std::string& account_id, |
| 36 const std::string& username) override { |
| 37 callback_.Run(); |
| 38 } |
| 39 |
| 40 SigninManagerBase* const signin_manager_; |
| 41 SigninStatusChangedCallback callback_; |
| 42 }; |
| 43 |
| 44 OneGoogleBarService::OneGoogleBarService( |
| 45 SigninManagerBase* signin_manager, |
| 46 std::unique_ptr<OneGoogleBarFetcher> fetcher) |
| 47 : fetcher_(std::move(fetcher)), |
| 48 signin_observer_(base::MakeUnique<SigninObserver>( |
| 49 signin_manager, |
| 50 base::Bind(&OneGoogleBarService::SigninStatusChanged, |
| 51 base::Unretained(this)))) {} |
| 52 |
| 53 OneGoogleBarService::~OneGoogleBarService() = default; |
| 54 |
| 55 void OneGoogleBarService::Shutdown() { |
| 56 signin_observer_.reset(); |
| 57 } |
| 58 |
| 59 void OneGoogleBarService::Refresh() { |
| 60 fetcher_->Fetch(base::BindOnce(&OneGoogleBarService::SetOneGoogleBarData, |
| 61 base::Unretained(this))); |
| 62 } |
| 63 |
| 64 void OneGoogleBarService::AddObserver(OneGoogleBarServiceObserver* observer) { |
| 65 observers_.AddObserver(observer); |
| 66 } |
| 67 |
| 68 void OneGoogleBarService::RemoveObserver( |
| 69 OneGoogleBarServiceObserver* observer) { |
| 70 observers_.RemoveObserver(observer); |
| 71 } |
| 72 |
| 73 void OneGoogleBarService::SigninStatusChanged() { |
| 74 SetOneGoogleBarData(base::nullopt); |
| 75 } |
| 76 |
| 77 void OneGoogleBarService::SetOneGoogleBarData( |
| 78 const base::Optional<OneGoogleBarData>& data) { |
| 79 if (one_google_bar_data_ == data) { |
| 80 return; |
| 81 } |
| 82 |
| 83 one_google_bar_data_ = data; |
| 84 for (auto& observer : observers_) { |
| 85 observer.OnOneGoogleBarDataChanged(); |
| 86 } |
| 87 } |
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