nagai/fune
3
0
Fork 0
forked from mirrors/gecko-dev
Code Pull requests Activity
fune/toolkit/components/remote/nsGTKRemoteService.cpp

582 lines
18 KiB
C++
Raw Blame History

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=2:tabstop=8:
*/
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Christopher Blizzard.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Christopher Blizzard <blizzard@mozilla.org>
* Benjamin Smedberg <benjamin@smedbergs.us>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsGTKRemoteService.h"
#include <X11/Xatom.h> // for XA_STRING
#include <stdlib.h>
#include <gtk/gtkinvisible.h> // For some reason GTK+ doesn't include this file
// automatically from gtk.h
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include "nsIBaseWindow.h"
#include "nsIDocShell.h"
#include "nsPIDOMWindow.h"
#include "nsIGenericFactory.h"
#include "nsILocalFile.h"
#include "nsIObserverService.h"
#include "nsIServiceManager.h"
#include "nsIWeakReference.h"
#include "nsIWidget.h"
#include "nsCOMPtr.h"
#include "nsString.h"
#include "prprf.h"
#include "prenv.h"
#include "nsCRT.h"
#ifdef MOZ_XUL_APP
#include "nsICommandLineRunner.h"
#include "nsXULAppAPI.h"
#else
#include "nsISuiteRemoteService.h"
#endif
#define MOZILLA_VERSION_PROP "_MOZILLA_VERSION"
#define MOZILLA_LOCK_PROP "_MOZILLA_LOCK"
#define MOZILLA_COMMAND_PROP "_MOZILLA_COMMAND"
#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"
#ifdef IS_BIG_ENDIAN
#define TO_LITTLE_ENDIAN32(x) \
((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
(((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
#else
#define TO_LITTLE_ENDIAN32(x) (x)
#endif
#ifdef MOZ_XUL_APP
const unsigned char kRemoteVersion[] = "5.1";
#else
const unsigned char kRemoteVersion[] = "5.0";
#endif
NS_IMPL_QUERY_INTERFACE2(nsGTKRemoteService,
nsIRemoteService,
nsIObserver)
NS_IMETHODIMP_(nsrefcnt)
nsGTKRemoteService::AddRef()
{
return 1;
}
NS_IMETHODIMP_(nsrefcnt)
nsGTKRemoteService::Release()
{
return 1;
}
NS_IMETHODIMP
nsGTKRemoteService::Startup(const char* aAppName, const char* aProfileName)
{
NS_ASSERTION(aAppName, "Don't pass a null appname!");
EnsureAtoms();
if (mServerWindow) return NS_ERROR_ALREADY_INITIALIZED;
mAppName = aAppName;
ToLowerCase(mAppName);
mProfileName = aProfileName;
mServerWindow = gtk_invisible_new();
gtk_widget_realize(mServerWindow);
HandleCommandsFor(mServerWindow, nsnull);
if (!mWindows.IsInitialized())
mWindows.Init();
mWindows.EnumerateRead(StartupHandler, this);
nsCOMPtr<nsIObserverService> obs
(do_GetService("@mozilla.org/observer-service;1"));
if (obs) {
obs->AddObserver(this, "xpcom-shutdown", PR_FALSE);
obs->AddObserver(this, "quit-application", PR_FALSE);
}
return NS_OK;
}
PLDHashOperator
nsGTKRemoteService::StartupHandler(const void* aKey,
nsIWeakReference* aData,
void* aClosure)
{
GtkWidget* widget = (GtkWidget*) aKey;
nsGTKRemoteService* aThis = (nsGTKRemoteService*) aClosure;
aThis->HandleCommandsFor(widget, aData);
return PL_DHASH_NEXT;
}
NS_IMETHODIMP
nsGTKRemoteService::RegisterWindow(nsIDOMWindow* aWindow)
{
// get the native window for this instance
nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(aWindow));
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsCOMPtr<nsIBaseWindow> baseWindow
(do_QueryInterface(window->GetDocShell()));
NS_ENSURE_TRUE(baseWindow, NS_ERROR_FAILURE);
nsCOMPtr<nsIWidget> mainWidget;
baseWindow->GetMainWidget(getter_AddRefs(mainWidget));
NS_ENSURE_TRUE(mainWidget, NS_ERROR_FAILURE);
// walk up the widget tree and find the toplevel window in the
// hierarchy
nsIWidget* tempWidget = mainWidget->GetParent();
while (tempWidget) {
tempWidget = tempWidget->GetParent();
if (tempWidget)
mainWidget = tempWidget;
}
GtkWidget* widget =
(GtkWidget*) mainWidget->GetNativeData(NS_NATIVE_SHELLWIDGET);
NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
nsCOMPtr<nsIWeakReference> weak = do_GetWeakReference(aWindow);
NS_ENSURE_TRUE(weak, NS_ERROR_FAILURE);
if (!mWindows.IsInitialized())
mWindows.Init();
mWindows.Put(widget, weak);
// If Startup() has already been called, immediately register this window.
if (mServerWindow) {
HandleCommandsFor(widget, weak);
}
return NS_OK;
}
NS_IMETHODIMP
nsGTKRemoteService::Shutdown()
{
if (!mServerWindow)
return NS_ERROR_NOT_INITIALIZED;
gtk_widget_destroy(mServerWindow);
mServerWindow = nsnull;
return NS_OK;
}
NS_IMETHODIMP
nsGTKRemoteService::Observe(nsISupports* aSubject,
const char *aTopic,
const PRUnichar *aData)
{
// This can be xpcom-shutdown or quit-application, but it's the same either
// way.
Shutdown();
return NS_OK;
}
#define ARRAY_LENGTH(array_) (sizeof(array_)/sizeof(array_[0]))
// Minimize the roundtrips to the X server by getting all the atoms at once
static char *XAtomNames[] = {
MOZILLA_VERSION_PROP,
MOZILLA_LOCK_PROP,
MOZILLA_COMMAND_PROP,
MOZILLA_RESPONSE_PROP,
MOZILLA_USER_PROP,
MOZILLA_PROFILE_PROP,
MOZILLA_PROGRAM_PROP,
MOZILLA_COMMANDLINE_PROP
};
static Atom XAtoms[ARRAY_LENGTH(XAtomNames)];
void
nsGTKRemoteService::EnsureAtoms(void)
{
if (sMozVersionAtom)
return;
XInternAtoms(GDK_DISPLAY(), XAtomNames, ARRAY_LENGTH(XAtomNames),
False, XAtoms);
int i = 0;
sMozVersionAtom = XAtoms[i++];
sMozLockAtom = XAtoms[i++];
sMozCommandAtom = XAtoms[i++];
sMozResponseAtom = XAtoms[i++];
sMozUserAtom = XAtoms[i++];
sMozProfileAtom = XAtoms[i++];
sMozProgramAtom = XAtoms[i++];
sMozCommandLineAtom = XAtoms[i++];
}
#ifndef MOZ_XUL_APP
const char*
nsGTKRemoteService::HandleCommand(char* aCommand, nsIDOMWindow* aWindow)
{
nsresult rv;
nsCOMPtr<nsISuiteRemoteService> remote
(do_GetService("@mozilla.org/browser/xremoteservice;2"));
if (!remote)
return "509 internal error";
rv = remote->ParseCommand(aCommand, aWindow);
if (NS_SUCCEEDED(rv))
return "200 executed command";
if (NS_ERROR_INVALID_ARG == rv)
return "500 command not parseable";
if (NS_ERROR_NOT_IMPLEMENTED == rv)
return "501 unrecognized command";
return "509 internal error";
}
#else //MOZ_XUL_APP
const char*
nsGTKRemoteService::HandleCommand(char* aCommand, nsIDOMWindow* aWindow)
{
nsresult rv;
nsCOMPtr<nsICommandLineRunner> cmdline
(do_CreateInstance("@mozilla.org/toolkit/command-line;1", &rv));
if (NS_FAILED(rv))
return "509 internal error";
// 1) Make sure that it looks remotely valid with parens
// 2) Treat ping() immediately and specially
nsCAutoString command(aCommand);
PRInt32 p1, p2;
p1 = command.FindChar('(');
p2 = command.FindChar(')');
if (p1 == kNotFound || p2 == kNotFound || p1 == 0 || p2 < p1) {
return "500 command not parseable";
}
command.Truncate(p1);
command.Trim(" ", PR_TRUE, PR_TRUE);
ToLowerCase(command);
#ifdef DEBUG_bsmedberg
printf("Processing xremote command: %s\n", command.get());
#endif
if (!command.EqualsLiteral("ping")) {
char* argv[3] = {"dummyappname", "-remote", aCommand};
rv = cmdline->Init(3, argv, nsnull, nsICommandLine::STATE_REMOTE_EXPLICIT);
if (NS_FAILED(rv))
return "509 internal error";
if (aWindow)
cmdline->SetWindowContext(aWindow);
rv = cmdline->Run();
if (NS_ERROR_ABORT == rv)
return "500 command not parseable";
if (NS_FAILED(rv))
return "509 internal error";
}
return "200 executed command";
}
const char*
nsGTKRemoteService::HandleCommandLine(char* aBuffer, nsIDOMWindow* aWindow)
{
nsresult rv;
nsCOMPtr<nsICommandLineRunner> cmdline
(do_CreateInstance("@mozilla.org/toolkit/command-line;1", &rv));
if (NS_FAILED(rv))
return "509 internal error";
// the commandline property is constructed as an array of PRInt32
// followed by a series of null-terminated strings:
//
// [argc][offsetargv0][offsetargv1...]<workingdir>\0<argv[0]>\0argv[1]...\0
// (offset is from the beginning of the buffer)
PRInt32 argc = TO_LITTLE_ENDIAN32(*NS_REINTERPRET_CAST(PRInt32*, aBuffer));
char *wd = aBuffer + ((argc + 1) * sizeof(PRInt32));
#ifdef DEBUG_bsmedberg
printf("Receiving command line:\n"
" wd:\t%s\n"
" argc:\t%i\n",
wd, argc);
#endif
nsCOMPtr<nsILocalFile> lf;
rv = NS_NewNativeLocalFile(nsDependentCString(wd), PR_TRUE,
getter_AddRefs(lf));
if (NS_FAILED(rv))
return "509 internal error";
char **argv = (char**) malloc(sizeof(char*) * argc);
if (!argv) return "509 internal error";
PRInt32 *offset = NS_REINTERPRET_CAST(PRInt32*, aBuffer) + 1;
for (int i = 0; i < argc; ++i) {
argv[i] = aBuffer + TO_LITTLE_ENDIAN32(offset[i]);
#ifdef DEBUG_bsmedberg
printf(" argv[%i]:\t%s\n", i, argv[i]);
#endif
}
rv = cmdline->Init(argc, argv, lf, nsICommandLine::STATE_REMOTE_AUTO);
free (argv);
if (NS_FAILED(rv)) {
return "509 internal error";
}
if (aWindow)
cmdline->SetWindowContext(aWindow);
rv = cmdline->Run();
if (NS_ERROR_ABORT == rv)
return "500 command not parseable";
if (NS_FAILED(rv))
return "509 internal error";
return "200 executed command";
}
#endif // MOZ_XUL_APP
void
nsGTKRemoteService::HandleCommandsFor(GtkWidget* widget,
nsIWeakReference* aWindow)
{
#ifdef MOZ_WIDGET_GTK2
g_signal_connect(G_OBJECT(widget), "property_notify_event",
G_CALLBACK(HandlePropertyChange), aWindow);
#else // GTK+
gtk_signal_connect(GTK_OBJECT(widget), "property_notify_event",
GTK_SIGNAL_FUNC(HandlePropertyChange), aWindow);
#endif
gtk_widget_add_events(widget, GDK_PROPERTY_CHANGE_MASK);
Window window = GDK_WINDOW_XWINDOW(widget->window);
// set our version
XChangeProperty(GDK_DISPLAY(), window, 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(GDK_DISPLAY(), window, sMozUserAtom, XA_STRING,
8, PropModeReplace, logname, strlen((char*) logname));
}
XChangeProperty(GDK_DISPLAY(), window, sMozProgramAtom, XA_STRING,
8, PropModeReplace, (unsigned char*) mAppName.get(), mAppName.Length());
if (!mProfileName.IsEmpty()) {
XChangeProperty(GDK_DISPLAY(), window, sMozProfileAtom, XA_STRING,
8, PropModeReplace, (unsigned char*) mProfileName.get(), mProfileName.Length());
}
}
#ifdef MOZ_WIDGET_GTK2
#define CMP_GATOM_XATOM(gatom,xatom) (gatom == gdk_x11_xatom_to_atom(xatom))
#else
#define CMP_GATOM_XATOM(gatom,xatom) (gatom == xatom)
#endif
gboolean
nsGTKRemoteService::HandlePropertyChange(GtkWidget *aWidget,
GdkEventProperty *pevent,
nsIWeakReference* aThis)
{
nsCOMPtr<nsIDOMWindow> window (do_QueryReferent(aThis));
if (pevent->state == GDK_PROPERTY_NEW_VALUE &&
CMP_GATOM_XATOM(pevent->atom, sMozCommandAtom)) {
// We got a new command atom.
int result;
Atom actual_type;
int actual_format;
unsigned long nitems, bytes_after;
char *data = 0;
result = XGetWindowProperty (GDK_DISPLAY(),
GDK_WINDOW_XWINDOW(pevent->window),
sMozCommandAtom,
0, /* long_offset */
(65536 / sizeof (long)), /* long_length */
True, /* 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 ) */
#ifdef DEBUG_bsmedberg
printf("Handling command: %s\n", data);
#endif
// 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(*NS_REINTERPRET_CAST(PRInt32*, data)))
return FALSE;
// cool, we got the property data.
const char *response = HandleCommand(data, window);
// put the property onto the window as the response
XChangeProperty (GDK_DISPLAY(), GDK_WINDOW_XWINDOW(pevent->window),
sMozResponseAtom, XA_STRING,
8, PropModeReplace, (const unsigned char *)response, strlen (response));
XFree(data);
return TRUE;
}
#ifdef MOZ_XUL_APP
if (pevent->state == GDK_PROPERTY_NEW_VALUE &&
CMP_GATOM_XATOM(pevent->atom, sMozCommandLineAtom)) {
// We got a new commandline atom.
int result;
Atom actual_type;
int actual_format;
unsigned long nitems, bytes_after;
char *data = 0;
result = XGetWindowProperty (GDK_DISPLAY(),
GDK_WINDOW_XWINDOW(pevent->window),
sMozCommandLineAtom,
0, /* long_offset */
(65536 / sizeof (long)), /* long_length */
True, /* 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(*NS_REINTERPRET_CAST(PRInt32*, data)))
return FALSE;
// cool, we got the property data.
const char *response = HandleCommandLine(data, window);
// put the property onto the window as the response
XChangeProperty (GDK_DISPLAY(), GDK_WINDOW_XWINDOW(pevent->window),
sMozResponseAtom, XA_STRING,
8, PropModeReplace, (const unsigned char *)response, strlen (response));
XFree(data);
return TRUE;
}
#endif //MOZ_XUL_APP
if (pevent->state == GDK_PROPERTY_NEW_VALUE &&
CMP_GATOM_XATOM(pevent->atom, sMozResponseAtom)) {
// client accepted the response. party on wayne.
return TRUE;
}
if (pevent->state == GDK_PROPERTY_NEW_VALUE &&
CMP_GATOM_XATOM(pevent->atom, sMozLockAtom)) {
// someone locked the window
return TRUE;
}
return FALSE;
}
Atom nsGTKRemoteService::sMozVersionAtom;
Atom nsGTKRemoteService::sMozLockAtom;
Atom nsGTKRemoteService::sMozCommandAtom;
Atom nsGTKRemoteService::sMozResponseAtom;
Atom nsGTKRemoteService::sMozUserAtom;
Atom nsGTKRemoteService::sMozProfileAtom;
Atom nsGTKRemoteService::sMozProgramAtom;
Atom nsGTKRemoteService::sMozCommandLineAtom;
// {C0773E90-5799-4eff-AD03-3EBCD85624AC}
#define NS_REMOTESERVICE_CID \
{ 0xc0773e90, 0x5799, 0x4eff, { 0xad, 0x3, 0x3e, 0xbc, 0xd8, 0x56, 0x24, 0xac } }
NS_GENERIC_FACTORY_CONSTRUCTOR(nsGTKRemoteService)
static const nsModuleComponentInfo components[] =
{
{ "Remote Service",
NS_REMOTESERVICE_CID,
"@mozilla.org/toolkit/remote-service;1",
nsGTKRemoteServiceConstructor
}
};
NS_IMPL_NSGETMODULE(RemoteServiceModule, components)
View git blame Copy permalink