1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "remoting/protocol/clipboard_echo_filter.h"
6
7#include "remoting/proto/event.pb.h"
8
9namespace remoting {
10namespace protocol {
11
12ClipboardEchoFilter::ClipboardEchoFilter()
13  : host_stub_(NULL),
14    client_stub_(NULL),
15    client_filter_(this),
16    host_filter_(this) {
17}
18
19ClipboardEchoFilter::~ClipboardEchoFilter() {
20}
21
22void ClipboardEchoFilter::set_client_stub(ClipboardStub* client_stub) {
23  client_stub_ = client_stub;
24}
25
26void ClipboardEchoFilter::set_host_stub(ClipboardStub* host_stub) {
27  host_stub_ = host_stub;
28}
29
30ClipboardStub* ClipboardEchoFilter::client_filter() {
31  return &client_filter_;
32}
33
34ClipboardStub* ClipboardEchoFilter::host_filter() {
35  return &host_filter_;
36}
37
38void ClipboardEchoFilter::InjectClipboardEventToClient(
39    const ClipboardEvent& event) {
40  if (!client_stub_) {
41    return;
42  }
43  if (event.mime_type() == client_latest_mime_type_ &&
44      event.data() == client_latest_data_) {
45    return;
46  }
47  client_stub_->InjectClipboardEvent(event);
48}
49
50void ClipboardEchoFilter::InjectClipboardEventToHost(
51    const ClipboardEvent& event) {
52  client_latest_mime_type_ = event.mime_type();
53  client_latest_data_ = event.data();
54  if (host_stub_) {
55    host_stub_->InjectClipboardEvent(event);
56  }
57}
58
59ClipboardEchoFilter::ClientFilter::ClientFilter(
60    ClipboardEchoFilter* filter) : filter_(filter) {
61}
62
63void ClipboardEchoFilter::ClientFilter::InjectClipboardEvent(
64    const ClipboardEvent& event) {
65  filter_->InjectClipboardEventToClient(event);
66}
67
68ClipboardEchoFilter::HostFilter::HostFilter(
69    ClipboardEchoFilter* filter) : filter_(filter) {
70}
71
72void ClipboardEchoFilter::HostFilter::InjectClipboardEvent(
73    const ClipboardEvent& event) {
74  filter_->InjectClipboardEventToHost(event);
75}
76
77}  // namespace protocol
78}  // namespace remoting
79