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// Copyright (c) 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.
#ifndef CONTENT_CHILD_THREAD_SAFE_SENDER_H_
#define CONTENT_CHILD_THREAD_SAFE_SENDER_H_
#include "base/memory/ref_counted.h"
#include "content/common/content_export.h"
#include "ipc/ipc_sender.h"
namespace base {
class SingleThreadTaskRunner;
}
namespace IPC {
class SyncMessageFilter;
}
namespace content {
class ChildThreadImpl;
// The class of Sender returned by ChildThreadImpl::thread_safe_sender().
class CONTENT_EXPORT ThreadSafeSender
: public IPC::Sender,
public base::RefCountedThreadSafe<ThreadSafeSender> {
public:
bool Send(IPC::Message* msg) override;
protected:
ThreadSafeSender(
const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner,
const scoped_refptr<IPC::SyncMessageFilter>& sync_filter);
~ThreadSafeSender() override;
private:
friend class ChildThreadImpl; // for construction
friend class IndexedDBDispatcherTest;
friend class WebIDBCursorImplTest;
friend class base::RefCountedThreadSafe<ThreadSafeSender>;
scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
scoped_refptr<IPC::SyncMessageFilter> sync_filter_;
DISALLOW_COPY_AND_ASSIGN(ThreadSafeSender);
};
} // namespace content
#endif // CONTENT_CHILD_THREAD_SAFE_SENDER_H_
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