| // Copyright 2013 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/chromeos/login/merge_session_xhr_request_waiter.h" |
| |
| #include "base/bind.h" |
| #include "base/lazy_instance.h" |
| #include "base/logging.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/message_loop/message_loop.h" |
| #include "chrome/browser/chromeos/login/oauth2_login_manager.h" |
| #include "chrome/browser/chromeos/login/oauth2_login_manager_factory.h" |
| #include "content/public/browser/browser_thread.h" |
| |
| using content::BrowserThread; |
| |
| namespace chromeos { |
| |
| namespace { |
| |
| // Maximum time for delaying XHR requests. |
| const int kMaxRequestWaitTimeMS = 10000; |
| |
| } |
| |
| MergeSessionXHRRequestWaiter::MergeSessionXHRRequestWaiter( |
| Profile* profile, |
| const MergeSessionThrottle::CompletionCallback& callback) |
| : profile_(profile), |
| callback_(callback), |
| weak_ptr_factory_(this) { |
| } |
| |
| MergeSessionXHRRequestWaiter::~MergeSessionXHRRequestWaiter() { |
| chromeos::OAuth2LoginManager* manager = |
| chromeos::OAuth2LoginManagerFactory::GetInstance()->GetForProfile( |
| profile_); |
| if (manager) |
| manager->RemoveObserver(this); |
| } |
| |
| void MergeSessionXHRRequestWaiter::StartWaiting() { |
| OAuth2LoginManager* manager = |
| OAuth2LoginManagerFactory::GetInstance()->GetForProfile(profile_); |
| if (manager && manager->ShouldBlockTabLoading()) { |
| DVLOG(1) << "Waiting for XHR request throttle"; |
| manager->AddObserver(this); |
| BrowserThread::PostDelayedTask( |
| BrowserThread::UI, FROM_HERE, |
| base::Bind(&MergeSessionXHRRequestWaiter::OnTimeout, |
| weak_ptr_factory_.GetWeakPtr()), |
| base::TimeDelta::FromMilliseconds(kMaxRequestWaitTimeMS)); |
| } else { |
| NotifyBlockingDone(); |
| } |
| } |
| |
| void MergeSessionXHRRequestWaiter::OnSessionRestoreStateChanged( |
| Profile* user_profile, |
| OAuth2LoginManager::SessionRestoreState state) { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| |
| OAuth2LoginManager* manager = |
| OAuth2LoginManagerFactory::GetInstance()->GetForProfile(profile_); |
| DVLOG(1) << "Merge session throttle should " |
| << (!manager->ShouldBlockTabLoading() ? |
| " NOT" : "") |
| << " be blocking now, " |
| << state; |
| if (!manager->ShouldBlockTabLoading()) { |
| DVLOG(1) << "Unblocking XHR request throttle due to session merge"; |
| manager->RemoveObserver(this); |
| NotifyBlockingDone(); |
| } |
| } |
| |
| void MergeSessionXHRRequestWaiter::OnTimeout() { |
| DVLOG(1) << "Unblocking XHR request throttle due to timeout"; |
| NotifyBlockingDone(); |
| } |
| |
| void MergeSessionXHRRequestWaiter::NotifyBlockingDone() { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| if (!callback_.is_null()) { |
| BrowserThread::PostTask( |
| BrowserThread::IO, FROM_HERE, callback_); |
| } |
| weak_ptr_factory_.InvalidateWeakPtrs(); |
| base::MessageLoop::current()->DeleteSoon(FROM_HERE, this); |
| } |
| |
| } // namespace chromeos |