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      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 
      9 namespace remoting {
     10 namespace protocol {
     11 
     12 ClipboardEchoFilter::ClipboardEchoFilter()
     13   : host_stub_(NULL),
     14     client_stub_(NULL),
     15     client_filter_(this),
     16     host_filter_(this) {
     17 }
     18 
     19 ClipboardEchoFilter::~ClipboardEchoFilter() {
     20 }
     21 
     22 void ClipboardEchoFilter::set_client_stub(ClipboardStub* client_stub) {
     23   client_stub_ = client_stub;
     24 }
     25 
     26 void ClipboardEchoFilter::set_host_stub(ClipboardStub* host_stub) {
     27   host_stub_ = host_stub;
     28 }
     29 
     30 ClipboardStub* ClipboardEchoFilter::client_filter() {
     31   return &client_filter_;
     32 }
     33 
     34 ClipboardStub* ClipboardEchoFilter::host_filter() {
     35   return &host_filter_;
     36 }
     37 
     38 void 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 
     50 void 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 
     59 ClipboardEchoFilter::ClientFilter::ClientFilter(
     60     ClipboardEchoFilter* filter) : filter_(filter) {
     61 }
     62 
     63 void ClipboardEchoFilter::ClientFilter::InjectClipboardEvent(
     64     const ClipboardEvent& event) {
     65   filter_->InjectClipboardEventToClient(event);
     66 }
     67 
     68 ClipboardEchoFilter::HostFilter::HostFilter(
     69     ClipboardEchoFilter* filter) : filter_(filter) {
     70 }
     71 
     72 void ClipboardEchoFilter::HostFilter::InjectClipboardEvent(
     73     const ClipboardEvent& event) {
     74   filter_->InjectClipboardEventToHost(event);
     75 }
     76 
     77 }  // namespace protocol
     78 }  // namespace remoting
     79