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Diffstat (limited to 'toolkit/components/remote/nsXRemoteServer.cpp')
| -rw-r--r-- | toolkit/components/remote/nsXRemoteServer.cpp | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/toolkit/components/remote/nsXRemoteServer.cpp b/toolkit/components/remote/nsXRemoteServer.cpp new file mode 100644 index 0000000000..1f97b18e20 --- /dev/null +++ b/toolkit/components/remote/nsXRemoteServer.cpp @@ -0,0 +1,161 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:expandtab:shiftwidth=2:tabstop=8: + */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/ArrayUtils.h" + +#include "nsXRemoteServer.h" +#include "nsCOMPtr.h" +#include "nsICommandLine.h" + +#include "nsIWidget.h" +#include "nsAppShellCID.h" +#include "nsPIDOMWindow.h" +#include "mozilla/X11Util.h" + +#include "nsCOMPtr.h" +#include "nsString.h" +#include "prenv.h" +#include "nsCRT.h" + +#include "nsXULAppAPI.h" + +#include <X11/Xlib.h> +#include <X11/Xatom.h> + +using namespace mozilla; + +#define MOZILLA_VERSION_PROP "_MOZILLA_VERSION" +#define MOZILLA_LOCK_PROP "_MOZILLA_LOCK" +#define MOZILLA_RESPONSE_PROP "_MOZILLA_RESPONSE" +#define MOZILLA_USER_PROP "_MOZILLA_USER" +#define MOZILLA_PROFILE_PROP "_MOZILLA_PROFILE" +#define MOZILLA_PROGRAM_PROP "_MOZILLA_PROGRAM" +#define MOZILLA_COMMANDLINE_PROP "_MOZILLA_COMMANDLINE" + +const unsigned char kRemoteVersion[] = "5.1"; + +// Minimize the roundtrips to the X server by getting all the atoms at once +static const char* XAtomNames[] = { + MOZILLA_VERSION_PROP, MOZILLA_LOCK_PROP, MOZILLA_RESPONSE_PROP, + MOZILLA_USER_PROP, MOZILLA_PROFILE_PROP, MOZILLA_PROGRAM_PROP, + MOZILLA_COMMANDLINE_PROP}; +static Atom XAtoms[MOZ_ARRAY_LENGTH(XAtomNames)]; + +Atom nsXRemoteServer::sMozVersionAtom; +Atom nsXRemoteServer::sMozLockAtom; +Atom nsXRemoteServer::sMozResponseAtom; +Atom nsXRemoteServer::sMozUserAtom; +Atom nsXRemoteServer::sMozProfileAtom; +Atom nsXRemoteServer::sMozProgramAtom; +Atom nsXRemoteServer::sMozCommandLineAtom; + +nsXRemoteServer::nsXRemoteServer() = default; + +void nsXRemoteServer::XRemoteBaseStartup(const char* aAppName, + const char* aProfileName) { + EnsureAtoms(); + + mAppName = aAppName; + ToLowerCase(mAppName); + + mProfileName = aProfileName; +} + +void nsXRemoteServer::HandleCommandsFor(Window aWindowId) { + // set our version + XChangeProperty(mozilla::DefaultXDisplay(), aWindowId, sMozVersionAtom, + XA_STRING, 8, PropModeReplace, kRemoteVersion, + sizeof(kRemoteVersion) - 1); + + // get our username + unsigned char* logname; + logname = (unsigned char*)PR_GetEnv("LOGNAME"); + if (logname) { + // set the property on the window if it's available + XChangeProperty(mozilla::DefaultXDisplay(), aWindowId, sMozUserAtom, + XA_STRING, 8, PropModeReplace, logname, + strlen((char*)logname)); + } + + XChangeProperty(mozilla::DefaultXDisplay(), aWindowId, sMozProgramAtom, + XA_STRING, 8, PropModeReplace, (unsigned char*)mAppName.get(), + mAppName.Length()); + + XChangeProperty(mozilla::DefaultXDisplay(), aWindowId, sMozProfileAtom, + XA_STRING, 8, PropModeReplace, + (unsigned char*)mProfileName.get(), mProfileName.Length()); +} + +bool nsXRemoteServer::HandleNewProperty(XID aWindowId, Display* aDisplay, + Time aEventTime, Atom aChangedAtom) { + if (aChangedAtom == sMozCommandLineAtom) { + // We got a new command atom. + int result; + Atom actual_type; + int actual_format; + unsigned long nitems, bytes_after; + char* data = 0; + + result = XGetWindowProperty(aDisplay, aWindowId, aChangedAtom, + 0, /* long_offset */ + (65536 / sizeof(long)), /* long_length */ + X11True, /* atomic delete after */ + XA_STRING, /* req_type */ + &actual_type, /* actual_type return */ + &actual_format, /* actual_format_return */ + &nitems, /* nitems_return */ + &bytes_after, /* bytes_after_return */ + (unsigned char**)&data); /* prop_return + (we only care + about the first ) */ + + // Failed to get property off the window? + if (result != Success) return false; + + // Failed to get the data off the window or it was the wrong type? + if (!data || !TO_LITTLE_ENDIAN32(*reinterpret_cast<int32_t*>(data))) + return false; + + // cool, we got the property data. + const char* response = HandleCommandLine(data, aEventTime); + + // put the property onto the window as the response + XChangeProperty(aDisplay, aWindowId, sMozResponseAtom, XA_STRING, 8, + PropModeReplace, (const unsigned char*)response, + strlen(response)); + XFree(data); + return true; + } + + if (aChangedAtom == sMozResponseAtom) { + // client accepted the response. party on wayne. + return true; + } + + else if (aChangedAtom == sMozLockAtom) { + // someone locked the window + return true; + } + + return false; +} + +void nsXRemoteServer::EnsureAtoms(void) { + if (sMozVersionAtom) return; + + XInternAtoms(mozilla::DefaultXDisplay(), const_cast<char**>(XAtomNames), + ArrayLength(XAtomNames), X11False, XAtoms); + + int i = 0; + sMozVersionAtom = XAtoms[i++]; + sMozLockAtom = XAtoms[i++]; + sMozResponseAtom = XAtoms[i++]; + sMozUserAtom = XAtoms[i++]; + sMozProfileAtom = XAtoms[i++]; + sMozProgramAtom = XAtoms[i++]; + sMozCommandLineAtom = XAtoms[i]; +} |