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// Copyright (c) 2010 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 CHROME_BROWSER_PLUGIN_DATA_REMOVER_H_
#define CHROME_BROWSER_PLUGIN_DATA_REMOVER_H_
#pragma once
#include "base/ref_counted.h"
#include "base/time.h"
#include "chrome/browser/plugin_process_host.h"
#include "ipc/ipc_channel.h"
class Task;
namespace base {
class MessageLoopProxy;
}
class PluginDataRemover : public base::RefCountedThreadSafe<PluginDataRemover>,
public PluginProcessHost::Client,
public IPC::Channel::Listener {
public:
PluginDataRemover();
// Starts removing plug-in data stored since |begin_time|. If |done_task| is
// not NULL, it is run on the current thread when removing has finished.
void StartRemoving(base::Time begin_time, Task* done_task);
// Returns whether there is a plug-in installed that supports removing
// LSO data. Because this method possibly has to load the plug-in list, it
// should only be called on the FILE thread.
static bool IsSupported();
bool is_removing() const { return is_removing_; }
// Sets the task to run when removing has finished. Takes ownership of
// the passed task.
void set_done_task(Task* task) { done_task_.reset(task); }
// PluginProcessHost::Client methods
virtual int ID();
virtual bool OffTheRecord();
virtual void SetPluginInfo(const webkit::npapi::WebPluginInfo& info);
virtual void OnChannelOpened(const IPC::ChannelHandle& handle);
virtual void OnError();
// IPC::Channel::Listener methods
virtual bool OnMessageReceived(const IPC::Message& message);
virtual void OnChannelError();
private:
friend class base::RefCountedThreadSafe<PluginDataRemover>;
~PluginDataRemover();
void SignalDone();
void ConnectToChannel(const IPC::ChannelHandle& handle);
void OnClearSiteDataResult(bool success);
void OnTimeout();
scoped_refptr<base::MessageLoopProxy> message_loop_;
bool is_removing_;
scoped_ptr<Task> done_task_;
// The point in time when we start removing data.
base::Time remove_start_time_;
// The point in time from which on we remove data.
base::Time begin_time_;
// We own the channel, but it's used on the IO thread, so it needs to be
// deleted there as well.
IPC::Channel* channel_;
};
#endif // CHROME_BROWSER_PLUGIN_DATA_REMOVER_H_
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