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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_PLUGIN_DATA_REMOVER_IMPL_H_
#define CONTENT_BROWSER_PLUGIN_DATA_REMOVER_IMPL_H_
#pragma once
#include <string>
#include "base/memory/weak_ptr.h"
#include "content/browser/plugin_process_host.h"
#include "content/public/browser/plugin_data_remover.h"
class CONTENT_EXPORT PluginDataRemoverImpl : public content::PluginDataRemover,
public PluginProcessHost::Client,
public IPC::Channel::Listener {
public:
explicit PluginDataRemoverImpl(
const content::ResourceContext& resource_context);
virtual ~PluginDataRemoverImpl();
// content::PluginDataRemover implementation:
virtual base::WaitableEvent* StartRemoving(base::Time begin_time) OVERRIDE;
// The plug-in whose data should be removed (usually Flash) is specified via
// its MIME type. This method sets a different MIME type in order to call a
// different plug-in (for example in tests).
void set_mime_type(const std::string& mime_type) { mime_type_ = mime_type; }
// PluginProcessHost::Client methods.
virtual int ID() OVERRIDE;
virtual bool OffTheRecord() OVERRIDE;
virtual const content::ResourceContext& GetResourceContext() OVERRIDE;
virtual void SetPluginInfo(const webkit::WebPluginInfo& info) OVERRIDE;
virtual void OnFoundPluginProcessHost(PluginProcessHost* host) OVERRIDE;
virtual void OnSentPluginChannelRequest() OVERRIDE;
virtual void OnChannelOpened(const IPC::ChannelHandle& handle) OVERRIDE;
virtual void OnError() OVERRIDE;
// IPC::Channel::Listener methods.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
virtual void OnChannelError() OVERRIDE;
private:
// Signals that we are finished with removing data (successful or not). This
// method is safe to call multiple times.
void SignalDone();
// Connects the client side of a newly opened plug-in channel.
void ConnectToChannel(const IPC::ChannelHandle& handle);
// Handles the PluginHostMsg_ClearSiteDataResult message.
void OnClearSiteDataResult(bool success);
// Called when a timeout happens in order not to block the client
// indefinitely.
void OnTimeout();
std::string mime_type_;
bool is_starting_process_;
bool is_removing_;
// 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_;
// The resource context for the profile.
const content::ResourceContext& context_;
scoped_ptr<base::WaitableEvent> event_;
// We own the channel, but it's used on the IO thread, so it needs to be
// deleted there. It's NULL until we have opened a connection to the plug-in
// process.
IPC::Channel* channel_;
base::WeakPtrFactory<PluginDataRemoverImpl> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(PluginDataRemoverImpl);
};
#endif // CONTENT_BROWSER_PLUGIN_DATA_REMOVER_IMPL_H_
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