15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "remoting/host/clipboard.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <X11/Xlib.h> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 119ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch#include "base/message_loop/message_loop.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "remoting/host/linux/x_server_clipboard.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "remoting/proto/event.pb.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "remoting/protocol/clipboard_stub.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace remoting { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This code is expected to be called on the desktop thread only. 19c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)class ClipboardX11 : public Clipboard, 20c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) public base::MessageLoopForIO::Watcher { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 22c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ClipboardX11(); 23c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) virtual ~ClipboardX11(); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Clipboard interface. 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Start( 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<protocol::ClipboardStub> client_clipboard) OVERRIDE; 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void InjectClipboardEvent( 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const protocol::ClipboardEvent& event) OVERRIDE; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Stop() OVERRIDE; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // MessageLoopForIO::Watcher interface. 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void OnClipboardChanged(const std::string& mime_type, 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& data); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void PumpXEvents(); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<protocol::ClipboardStub> client_clipboard_; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Underlying X11 clipboard implementation. 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) XServerClipboard x_server_clipboard_; 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Connection to the X server, used by |x_server_clipboard_|. This is created 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // and owned by this class. 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Display* display_; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Watcher used to handle X11 events from |display_|. 51c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoopForIO::FileDescriptorWatcher x_connection_watcher_; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 53c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(ClipboardX11); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 56c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)ClipboardX11::ClipboardX11() 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : display_(NULL) { 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 60c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)ClipboardX11::~ClipboardX11() { 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Stop(); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 64c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void ClipboardX11::Start( 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<protocol::ClipboardStub> client_clipboard) { 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(lambroslambrou): Share the X connection with InputInjector. 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) display_ = XOpenDisplay(NULL); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!display_) { 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "Couldn't open X display"; 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_clipboard_.swap(client_clipboard); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) x_server_clipboard_.Init(display_, 75c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::Bind(&ClipboardX11::OnClipboardChanged, 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Unretained(this))); 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 78c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoopForIO::current()->WatchFileDescriptor( 79c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ConnectionNumber(display_), 80c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) true, 81c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoopForIO::WATCH_READ, 82c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) &x_connection_watcher_, 83c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) this); 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PumpXEvents(); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 87c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void ClipboardX11::InjectClipboardEvent( 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const protocol::ClipboardEvent& event) { 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) x_server_clipboard_.SetClipboard(event.mime_type(), event.data()); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 92c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void ClipboardX11::Stop() { 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_clipboard_.reset(); 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) x_connection_watcher_.StopWatchingFileDescriptor(); 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (display_) { 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) XCloseDisplay(display_); 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) display_ = NULL; 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 102c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void ClipboardX11::OnFileCanReadWithoutBlocking(int fd) { 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PumpXEvents(); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 106c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void ClipboardX11::OnFileCanWriteWithoutBlocking(int fd) { 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 109c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void ClipboardX11::OnClipboardChanged(const std::string& mime_type, 110c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const std::string& data) { 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protocol::ClipboardEvent event; 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event.set_mime_type(mime_type); 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event.set_data(data); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (client_clipboard_.get()) { 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_clipboard_->InjectClipboardEvent(event); 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 120c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void ClipboardX11::PumpXEvents() { 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(display_); 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (XPending(display_)) { 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) XEvent event; 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) XNextEvent(display_, &event); 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) x_server_clipboard_.ProcessXEvent(&event); 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)scoped_ptr<Clipboard> Clipboard::Create() { 131c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return scoped_ptr<Clipboard>(new ClipboardX11()); 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace remoting 135