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// 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 "content/browser/startup_task_runner.h"
#include "base/bind.h"
#include "base/location.h"
#include "base/message_loop/message_loop.h"
namespace content {
StartupTaskRunner::StartupTaskRunner(
bool browser_may_start_asynchronously,
base::Callback<void(int)> const startup_complete_callback,
scoped_refptr<base::SingleThreadTaskRunner> proxy)
: asynchronous_startup_(browser_may_start_asynchronously),
startup_complete_callback_(startup_complete_callback),
proxy_(proxy) {}
void StartupTaskRunner::AddTask(StartupTask& callback) {
task_list_.push_back(callback);
}
void StartupTaskRunner::StartRunningTasks() {
DCHECK(proxy_);
int result = 0;
if (asynchronous_startup_ && !task_list_.empty()) {
const base::Closure next_task =
base::Bind(&StartupTaskRunner::WrappedTask, this);
proxy_->PostNonNestableTask(FROM_HERE, next_task);
} else {
for (std::list<StartupTask>::iterator it = task_list_.begin();
it != task_list_.end();
it++) {
result = it->Run();
if (result > 0) {
break;
}
}
if (!startup_complete_callback_.is_null()) {
startup_complete_callback_.Run(result);
}
}
}
void StartupTaskRunner::WrappedTask() {
int result = task_list_.front().Run();
task_list_.pop_front();
if (result > 0 || task_list_.empty()) {
if (!startup_complete_callback_.is_null()) {
startup_complete_callback_.Run(result);
}
} else {
const base::Closure next_task =
base::Bind(&StartupTaskRunner::WrappedTask, this);
proxy_->PostNonNestableTask(FROM_HERE, next_task);
}
}
StartupTaskRunner::~StartupTaskRunner() {}
} // namespace content
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