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// Copyright (c) 2011 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.
#ifndef CONTENT_BROWSER_BROWSER_THREAD_IMPL_H_
#define CONTENT_BROWSER_BROWSER_THREAD_IMPL_H_
#pragma once
#include "content/public/browser/browser_thread.h"
namespace content {
class BrowserThreadImpl : public BrowserThread {
public:
explicit BrowserThreadImpl(BrowserThread::ID identifier);
BrowserThreadImpl(BrowserThread::ID identifier, MessageLoop* message_loop);
virtual ~BrowserThreadImpl();
private:
// We implement most functionality on the public set of
// BrowserThread functions, but state is stored in the
// BrowserThreadImpl to keep the public API cleaner. Therefore make
// BrowserThread a friend class.
friend class BrowserThread;
// TODO(brettw) remove this variant when Task->Closure migration is complete.
static bool PostTaskHelper(
BrowserThread::ID identifier,
const tracked_objects::Location& from_here,
Task* task,
int64 delay_ms,
bool nestable);
static bool PostTaskHelper(
BrowserThread::ID identifier,
const tracked_objects::Location& from_here,
const base::Closure& task,
int64 delay_ms,
bool nestable);
// This lock protects |browser_threads_|. Do not read or modify that array
// without holding this lock. Do not block while holding this lock.
static base::Lock lock_;
// An array of the BrowserThread objects. This array is protected by |lock_|.
// The threads are not owned by this array. Typically, the threads are owned
// on the UI thread by the g_browser_process object. BrowserThreads remove
// themselves from this array upon destruction.
static BrowserThread* browser_threads_[ID_COUNT];
};
} // namespace content
#endif // CONTENT_BROWSER_BROWSER_THREAD_IMPL_H_
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