blob: e3777a65e5e57016ed6777c14dc8936aa225e37f [file] [log] [blame]
// Copyright (c) 2012 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 REMOTING_PROTOCOL_CLIPBOARD_ECHO_FILTER_H_
#define REMOTING_PROTOCOL_CLIPBOARD_ECHO_FILTER_H_
#include <map>
#include <string>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "remoting/protocol/clipboard_stub.h"
namespace remoting {
namespace protocol {
// ClipboardEchoFilter stops the host sending a clipboard item to the
// client, if that item was the latest item received from the client.
class ClipboardEchoFilter {
public:
ClipboardEchoFilter();
~ClipboardEchoFilter();
// Sets the ClipboardStub that sends events to the client.
void set_client_stub(ClipboardStub* client_stub);
// Sets the ClipboardStub that sends events to the host.
void set_host_stub(ClipboardStub* host_stub);
// Gets the ClipboardStub that sends events through this filter and on to the
// client.
ClipboardStub* client_filter();
// Gets the ClipboardStub that sends events through this filter and on to the
// host.
ClipboardStub* host_filter();
private:
class ClientFilter : public ClipboardStub {
public:
ClientFilter(ClipboardEchoFilter* filter);
void InjectClipboardEvent(const ClipboardEvent& event) override;
private:
ClipboardEchoFilter* filter_;
};
class HostFilter : public ClipboardStub {
public:
HostFilter(ClipboardEchoFilter* filter);
void InjectClipboardEvent(const ClipboardEvent& event) override;
private:
ClipboardEchoFilter* filter_;
};
void InjectClipboardEventToHost(const ClipboardEvent& event);
void InjectClipboardEventToClient(const ClipboardEvent& event);
ClipboardStub* host_stub_;
ClipboardStub* client_stub_;
ClientFilter client_filter_;
HostFilter host_filter_;
// The latest item received from the client.
std::string client_latest_mime_type_;
std::string client_latest_data_;
DISALLOW_COPY_AND_ASSIGN(ClipboardEchoFilter);
};
} // namespace protocol
} // namespace remoting
#endif // REMOTING_PROTOCOL_CLIPBOARD_ECHO_FILTER_H_