1 // Copyright 2013 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 "content/browser/startup_task_runner.h" 6 7 #include "base/bind.h" 8 #include "base/location.h" 9 #include "base/message_loop/message_loop.h" 10 11 namespace content { 12 13 StartupTaskRunner::StartupTaskRunner( 14 bool browser_may_start_asynchronously, 15 base::Callback<void(int)> const startup_complete_callback, 16 scoped_refptr<base::SingleThreadTaskRunner> proxy) 17 : asynchronous_startup_(browser_may_start_asynchronously), 18 startup_complete_callback_(startup_complete_callback), 19 proxy_(proxy) {} 20 21 void StartupTaskRunner::AddTask(StartupTask& callback) { 22 task_list_.push_back(callback); 23 } 24 25 void StartupTaskRunner::StartRunningTasks() { 26 DCHECK(proxy_); 27 int result = 0; 28 if (asynchronous_startup_ && !task_list_.empty()) { 29 const base::Closure next_task = 30 base::Bind(&StartupTaskRunner::WrappedTask, this); 31 proxy_->PostNonNestableTask(FROM_HERE, next_task); 32 } else { 33 for (std::list<StartupTask>::iterator it = task_list_.begin(); 34 it != task_list_.end(); 35 it++) { 36 result = it->Run(); 37 if (result > 0) { 38 break; 39 } 40 } 41 if (!startup_complete_callback_.is_null()) { 42 startup_complete_callback_.Run(result); 43 } 44 } 45 } 46 47 void StartupTaskRunner::WrappedTask() { 48 int result = task_list_.front().Run(); 49 task_list_.pop_front(); 50 if (result > 0 || task_list_.empty()) { 51 if (!startup_complete_callback_.is_null()) { 52 startup_complete_callback_.Run(result); 53 } 54 } else { 55 const base::Closure next_task = 56 base::Bind(&StartupTaskRunner::WrappedTask, this); 57 proxy_->PostNonNestableTask(FROM_HERE, next_task); 58 } 59 } 60 61 StartupTaskRunner::~StartupTaskRunner() {} 62 63 } // namespace content 64
