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cf1d75b45d
This code is only ever used from c++ so does not need to be an XPCOM component. Broken out a single nsRemoteService that is responsible for choosing the server implementation to use. Differential Revision: https://phabricator.services.mozilla.com/D19067 --HG-- rename : toolkit/components/remote/nsDBusRemoteService.cpp => toolkit/components/remote/nsDBusRemoteServer.cpp rename : toolkit/components/remote/nsDBusRemoteService.h => toolkit/components/remote/nsDBusRemoteServer.h rename : toolkit/components/remote/nsGTKRemoteService.cpp => toolkit/components/remote/nsGTKRemoteServer.cpp rename : toolkit/components/remote/nsGTKRemoteService.h => toolkit/components/remote/nsGTKRemoteServer.h rename : toolkit/components/remote/nsXRemoteService.cpp => toolkit/components/remote/nsXRemoteServer.cpp rename : toolkit/components/remote/nsXRemoteService.h => toolkit/components/remote/nsXRemoteServer.h extra : source : 28c7186745e3d5de5f44a72a81e0068cb23ce547
112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:expandtab:shiftwidth=2:tabstop=2:
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsUnixRemoteServer.h"
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#include "nsGTKToolkit.h"
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#include "nsCOMPtr.h"
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#include "nsICommandLineRunner.h"
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#include "nsCommandLine.h"
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#include "nsIFile.h"
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// Set desktop startup ID to the passed ID, if there is one, so that any created
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// windows get created with the right window manager metadata, and any windows
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// that get new tabs and are activated also get the right WM metadata.
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// The timestamp will be used if there is no desktop startup ID, or if we're
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// raising an existing window rather than showing a new window for the first
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// time.
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void nsUnixRemoteServer::SetDesktopStartupIDOrTimestamp(
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const nsACString& aDesktopStartupID, uint32_t aTimestamp) {
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nsGTKToolkit* toolkit = nsGTKToolkit::GetToolkit();
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if (!toolkit) return;
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if (!aDesktopStartupID.IsEmpty()) {
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toolkit->SetDesktopStartupID(aDesktopStartupID);
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}
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toolkit->SetFocusTimestamp(aTimestamp);
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}
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static bool FindExtensionParameterInCommand(const char* aParameterName,
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const nsACString& aCommand,
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char aSeparator,
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nsACString* aValue) {
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nsAutoCString searchFor;
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searchFor.Append(aSeparator);
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searchFor.Append(aParameterName);
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searchFor.Append('=');
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nsACString::const_iterator start, end;
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aCommand.BeginReading(start);
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aCommand.EndReading(end);
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if (!FindInReadable(searchFor, start, end)) return false;
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nsACString::const_iterator charStart, charEnd;
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charStart = end;
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aCommand.EndReading(charEnd);
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nsACString::const_iterator idStart = charStart, idEnd;
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if (FindCharInReadable(aSeparator, charStart, charEnd)) {
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idEnd = charStart;
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} else {
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idEnd = charEnd;
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}
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*aValue = nsDependentCSubstring(idStart, idEnd);
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return true;
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}
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const char* nsUnixRemoteServer::HandleCommandLine(const char* aBuffer,
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uint32_t aTimestamp) {
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nsCOMPtr<nsICommandLineRunner> cmdline(new nsCommandLine());
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// the commandline property is constructed as an array of int32_t
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// followed by a series of null-terminated strings:
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//
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// [argc][offsetargv0][offsetargv1...]<workingdir>\0<argv[0]>\0argv[1]...\0
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// (offset is from the beginning of the buffer)
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int32_t argc = TO_LITTLE_ENDIAN32(*reinterpret_cast<const int32_t*>(aBuffer));
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const char* wd = aBuffer + ((argc + 1) * sizeof(int32_t));
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nsCOMPtr<nsIFile> lf;
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nsresult rv =
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NS_NewNativeLocalFile(nsDependentCString(wd), true, getter_AddRefs(lf));
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if (NS_FAILED(rv)) return "509 internal error";
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nsAutoCString desktopStartupID;
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const char** argv = (const char**)malloc(sizeof(char*) * argc);
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if (!argv) return "509 internal error";
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const int32_t* offset = reinterpret_cast<const int32_t*>(aBuffer) + 1;
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for (int i = 0; i < argc; ++i) {
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argv[i] = aBuffer + TO_LITTLE_ENDIAN32(offset[i]);
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if (i == 0) {
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nsDependentCString cmd(argv[0]);
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FindExtensionParameterInCommand("DESKTOP_STARTUP_ID", cmd, ' ',
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&desktopStartupID);
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}
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}
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rv = cmdline->Init(argc, argv, lf, nsICommandLine::STATE_REMOTE_AUTO);
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free(argv);
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if (NS_FAILED(rv)) {
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return "509 internal error";
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}
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SetDesktopStartupIDOrTimestamp(desktopStartupID, aTimestamp);
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rv = cmdline->Run();
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if (NS_ERROR_ABORT == rv) return "500 command not parseable";
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if (NS_FAILED(rv)) return "509 internal error";
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return "200 executed command";
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}
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