toolkit/components/remote/nsWinRemoteClient.cpp

   1 /* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:expandtab:shiftwidth=4:tabstop=4:
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #include "nsWinRemoteClient.h"
   9 #include <windows.h>
  10 #include "RemoteUtils.h"
  11 #include "WinRemoteMessage.h"
  12
  13 using namespace mozilla;
  14
  15 nsresult nsWinRemoteClient::Init() { return NS_OK; }
  16
  17 nsresult nsWinRemoteClient::SendCommandLine(const char* aProgram,
  18                                             const char* aProfile, int32_t argc,
  19                                             const char** argv, bool aRaise) {
  20   nsString className;
  21   BuildClassName(aProgram, aProfile, className);
  22
  23   HWND handle = ::FindWindowW(className.get(), 0);
  24
  25   if (!handle) {
  26     return NS_ERROR_NOT_AVAILABLE;
  27   }
  28
  29   WCHAR cwd[MAX_PATH];
  30   _wgetcwd(cwd, MAX_PATH);
  31   WinRemoteMessageSender sender(argc, argv, nsDependentString(cwd));
  32
  33   if (aRaise) {
  34     // Because we are the running process we have permission to raise the target
  35     // instance to the foreground. We can do so for the hidden message window as
  36     // we have its handle here. The target instance is then able to raise any
  37     // window it chooses to as part of handling the command line.
  38     ::SetForegroundWindow(handle);
  39   }
  40   ::SendMessageW(handle, WM_COPYDATA, 0,
  41                  reinterpret_cast<LPARAM>(sender.CopyData()));
  42
  43   return NS_OK;
  44 }