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 <windows.h> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 125e3f23d412006dc4db4e659864679f29341e113fTorne (Richard Coles)#include "base/strings/string16.h" 13868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/utf_string_conversions.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/threading/platform_thread.h" 15eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#include "base/win/message_window.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/win/scoped_hglobal.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/win/windows_version.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "remoting/base/constants.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "remoting/base/util.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "remoting/proto/event.pb.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "remoting/protocol/clipboard_stub.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A scoper class that opens and closes the clipboard. 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This class was adapted from the ScopedClipboard class in 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ui/base/clipboard/clipboard_win.cc. 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ScopedClipboard { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ScopedClipboard() : opened_(false) { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~ScopedClipboard() { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (opened_) { 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::CloseClipboard(); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool Init(HWND owner) { 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const int kMaxAttemptsToOpenClipboard = 5; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const base::TimeDelta kSleepTimeBetweenAttempts = 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta::FromMilliseconds(5); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (opened_) { 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This code runs on the UI thread, so we can block only very briefly. 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int attempt = 0; attempt < kMaxAttemptsToOpenClipboard; ++attempt) { 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (attempt > 0) { 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::PlatformThread::Sleep(kSleepTimeBetweenAttempts); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (::OpenClipboard(owner)) { 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) opened_ = true; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BOOL Empty() { 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!opened_) { 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ::EmptyClipboard(); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetData(UINT uFormat, HANDLE hMem) { 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!opened_) { 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The caller must not close the handle that ::SetClipboardData returns. 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::SetClipboardData(uFormat, hMem); 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The caller must not free the handle. The caller should lock the handle, 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // copy the clipboard data, and unlock the handle. All this must be done 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // before this ScopedClipboard is destroyed. 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HANDLE GetData(UINT format) { 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!opened_) { 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ::GetClipboardData(format); 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool opened_; 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef BOOL (WINAPI AddClipboardFormatListenerFn)(HWND); 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef BOOL (WINAPI RemoveClipboardFormatListenerFn)(HWND); 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace remoting { 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 101eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochclass ClipboardWin : public Clipboard { 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClipboardWin(); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Start( 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<protocol::ClipboardStub> client_clipboard) OVERRIDE; 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void InjectClipboardEvent( 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const protocol::ClipboardEvent& event) OVERRIDE; 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Stop() OVERRIDE; 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void OnClipboardUpdate(); 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 114eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // Handles messages received by |window_|. 115eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch bool HandleMessage(UINT message, 116eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch WPARAM wparam, 117eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch LPARAM lparam, 118eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch LRESULT* result); 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<protocol::ClipboardStub> client_clipboard_; 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddClipboardFormatListenerFn* add_clipboard_format_listener_; 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RemoveClipboardFormatListenerFn* remove_clipboard_format_listener_; 123c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 124c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Used to subscribe to WM_CLIPBOARDUPDATE messages. 125eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch scoped_ptr<base::win::MessageWindow> window_; 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(ClipboardWin); 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ClipboardWin::ClipboardWin() 131c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : add_clipboard_format_listener_(NULL), 132c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) remove_clipboard_format_listener_(NULL) { 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ClipboardWin::Start( 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<protocol::ClipboardStub> client_clipboard) { 137c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(!add_clipboard_format_listener_); 138c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(!remove_clipboard_format_listener_); 139c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(!window_); 140c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_clipboard_.swap(client_clipboard); 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 143c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // user32.dll is statically linked. 144c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) HMODULE user32 = GetModuleHandle(L"user32.dll"); 145c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) CHECK(user32); 146c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 147c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) add_clipboard_format_listener_ = 148c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) reinterpret_cast<AddClipboardFormatListenerFn*>( 149c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) GetProcAddress(user32, "AddClipboardFormatListener")); 150c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (add_clipboard_format_listener_) { 151c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) remove_clipboard_format_listener_ = 152c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) reinterpret_cast<RemoveClipboardFormatListenerFn*>( 153c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) GetProcAddress(user32, "RemoveClipboardFormatListener")); 154c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // If AddClipboardFormatListener() present, RemoveClipboardFormatListener() 155c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // should be available too. 156c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) CHECK(remove_clipboard_format_listener_); 157c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } else { 158c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) LOG(WARNING) << "AddClipboardFormatListener() is not available."; 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 161eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch window_.reset(new base::win::MessageWindow()); 162eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (!window_->Create(base::Bind(&ClipboardWin::HandleMessage, 163eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch base::Unretained(this)))) { 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "Couldn't create clipboard window."; 165c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) window_.reset(); 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 169c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (add_clipboard_format_listener_) { 170c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!(*add_clipboard_format_listener_)(window_->hwnd())) { 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "AddClipboardFormatListener() failed: " << GetLastError(); 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ClipboardWin::Stop() { 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_clipboard_.reset(); 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 179c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (window_ && remove_clipboard_format_listener_) 180c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) (*remove_clipboard_format_listener_)(window_->hwnd()); 181c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 182c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) window_.reset(); 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ClipboardWin::InjectClipboardEvent( 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const protocol::ClipboardEvent& event) { 187c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!window_) 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Currently we only handle UTF-8 text. 1912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (event.mime_type().compare(kMimeTypeTextUtf8) != 0) 1922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 1932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!StringIsUtf8(event.data().c_str(), event.data().length())) { 1942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LOG(ERROR) << "ClipboardEvent: data is not UTF-8 encoded."; 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::string16 text = base::UTF8ToUTF16(ReplaceLfByCrLf(event.data())); 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ScopedClipboard clipboard; 201c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!clipboard.Init(window_->hwnd())) { 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "Couldn't open the clipboard."; 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) clipboard.Empty(); 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HGLOBAL text_global = 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::GlobalAlloc(GMEM_MOVEABLE, (text.size() + 1) * sizeof(WCHAR)); 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!text_global) { 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "Couldn't allocate global memory."; 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPWSTR text_global_locked = 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<LPWSTR>(::GlobalLock(text_global)); 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) memcpy(text_global_locked, text.data(), text.size() * sizeof(WCHAR)); 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) text_global_locked[text.size()] = (WCHAR)0; 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::GlobalUnlock(text_global); 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) clipboard.SetData(CF_UNICODETEXT, text_global); 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ClipboardWin::OnClipboardUpdate() { 225c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(window_); 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (::IsClipboardFormatAvailable(CF_UNICODETEXT)) { 2285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::string16 text; 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Add a scope, so that we keep the clipboard open for as short a time as 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // possible. 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ScopedClipboard clipboard; 233c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!clipboard.Init(window_->hwnd())) { 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "Couldn't open the clipboard." << GetLastError(); 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HGLOBAL text_global = clipboard.GetData(CF_UNICODETEXT); 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!text_global) { 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "Couldn't get data from the clipboard: " 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << GetLastError(); 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch base::win::ScopedHGlobal<WCHAR*> text_lock(text_global); 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!text_lock.get()) { 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "Couldn't lock clipboard data: " << GetLastError(); 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) text.assign(text_lock.get()); 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protocol::ClipboardEvent event; 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event.set_mime_type(kMimeTypeTextUtf8); 2555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event.set_data(ReplaceCrLfByLf(base::UTF16ToUTF8(text))); 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (client_clipboard_.get()) { 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_clipboard_->InjectClipboardEvent(event); 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 263c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)bool ClipboardWin::HandleMessage( 264eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch UINT message, WPARAM wparam, LPARAM lparam, LRESULT* result) { 265c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (message == WM_CLIPBOARDUPDATE) { 266c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) OnClipboardUpdate(); 267c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) *result = 0; 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 271c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return false; 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)scoped_ptr<Clipboard> Clipboard::Create() { 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return scoped_ptr<Clipboard>(new ClipboardWin()); 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace remoting 279