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-rw-r--r--toolkit/components/remote/nsXRemoteServer.cpp161
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
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+++ b/toolkit/components/remote/nsXRemoteServer.cpp
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+/* -*- 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];
+}