gecko-dev/cmd/xfe/remote-s.c

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C
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Этот файл содержит невидимые символы Юникода!

Этот файл содержит невидимые символы Юникода, которые могут быть отображены не так, как показано ниже. Если это намеренно, можете спокойно проигнорировать это предупреждение. Используйте кнопку Экранировать, чтобы показать скрытые символы.

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/* */
/* remote-s.c --- remote control of netscape.
Created: Jamie Zawinski <jwz@netscape.com>
*/
#include "mozilla.h"
#include "xfe.h"
#define progname fe_progname
#define mozilla_remote_init_atoms fe_init_atoms
#define mozilla_remote_commands fe_RemoteCommands
static const char *expected_mozilla_version = fe_version;
#include "remote.c"
/* for XP_GetString() */
#include <xpgetstr.h>
extern int XFE_REMOTE_S_UNABLE_TO_READ_PROPERTY;
extern int XFE_REMOTE_S_INVALID_DATA_ON_PROPERTY;
extern int XFE_REMOTE_S_509_INTERNAL_ERROR;
extern int XFE_REMOTE_S_500_UNPARSABLE_COMMAND;
extern int XFE_REMOTE_S_501_UNRECOGNIZED_COMMAND;
extern int XFE_REMOTE_S_502_NO_APPROPRIATE_WINDOW;
extern int XFE_REMOTE_S_200_EXECUTED_COMMAND;
/* server side */
static void fe_property_change_action (Widget widget, XEvent *event,
String *av, Cardinal *ac);
static char *fe_server_handle_command (Display *dpy, Window window,
XEvent *event, char *command);
static XtTranslations fe_prop_translations;
void
fe_InitRemoteServer (Display *dpy)
{
static Boolean done = False;
static XtActionsRec actions [] =
{ { "HandleMozillaCommand", fe_property_change_action } };
if (done) return;
done = True;
fe_init_atoms (dpy);
XtAppAddActions (fe_XtAppContext, actions, countof (actions));
fe_prop_translations =
XtParseTranslationTable ("<PropertyNotify>: HandleMozillaCommand()");
}
void
fe_InitRemoteServerWindow (MWContext *context)
{
Widget widget = CONTEXT_WIDGET (context);
Display *dpy = XtDisplay (widget);
Window window = XtWindow (widget);
XWindowAttributes attrs;
unsigned char *data = (unsigned char *) fe_version;
XtOverrideTranslations (widget, fe_prop_translations);
XChangeProperty (dpy, window, XA_MOZILLA_VERSION, XA_STRING,
8, PropModeReplace, data, strlen (data));
XGetWindowAttributes (dpy, window, &attrs);
if (! (attrs.your_event_mask & PropertyChangeMask))
XSelectInput (dpy, window, attrs.your_event_mask | PropertyChangeMask);
}
void
fe_server_handle_property_change (Display *dpy, Window window, XEvent *event)
{
if (event->xany.type == PropertyNotify &&
event->xproperty.state == PropertyNewValue &&
event->xproperty.window == window &&
event->xproperty.atom == XA_MOZILLA_COMMAND)
{
int result;
Atom actual_type;
int actual_format;
unsigned long nitems, bytes_after;
unsigned char *data = 0;
result = XGetWindowProperty (dpy, window, XA_MOZILLA_COMMAND,
0, (65536 / sizeof (long)),
True, /* atomic delete after */
XA_STRING,
&actual_type, &actual_format,
&nitems, &bytes_after,
&data);
if (result != Success)
{
fprintf (stderr,
XP_GetString(XFE_REMOTE_S_UNABLE_TO_READ_PROPERTY),
fe_progname,
MOZILLA_COMMAND_PROP);
return;
}
else if (!data || !*data)
{
fprintf (stderr,
XP_GetString(XFE_REMOTE_S_INVALID_DATA_ON_PROPERTY),
fe_progname,
MOZILLA_COMMAND_PROP,
(unsigned int) window);
return;
}
else
{
char *response =
fe_server_handle_command (dpy, window, event, (char *) data);
if (! response) abort ();
XChangeProperty (dpy, window, XA_MOZILLA_RESPONSE, XA_STRING,
8, PropModeReplace, response, strlen (response));
free (response);
}
if (data)
XFree (data);
}
#ifdef DEBUG_PROPS
else if (event->xany.type == PropertyNotify &&
event->xproperty.window == window &&
event->xproperty.state == PropertyDelete &&
event->xproperty.atom == XA_MOZILLA_RESPONSE)
{
fprintf (stderr, "%s: (client has accepted the response on 0x%x.)\n",
fe_progname, (unsigned int) window);
}
else if (event->xany.type == PropertyNotify &&
event->xproperty.window == window &&
event->xproperty.atom == XA_MOZILLA_LOCK)
{
fprintf (stderr, "%s: (client has %s a lock on 0x%x.)\n",
fe_progname,
(event->xproperty.state == PropertyNewValue
? "obtained" : "freed"),
(unsigned int) window);
}
#endif /* DEBUG_PROPS */
}
static void
fe_property_change_action (Widget widget, XEvent *event,
String *av, Cardinal *ac)
{
MWContext *context = fe_WidgetToMWContext (widget);
if (! context) return;
fe_server_handle_property_change (XtDisplay (CONTEXT_WIDGET (context)),
XtWindow (CONTEXT_WIDGET (context)),
event);
}
static char *
fe_server_handle_command (Display *dpy, Window window, XEvent *event,
char *command)
{
char *name = 0;
char **av = 0;
int ac = 0;
int avsize = 0;
Boolean raise_p = True;
int i;
char *buf;
char *buf2;
int32 buf2_size;
char *head, *tail;
XtActionProc action = 0;
Widget widget = XtWindowToWidget (dpy, window);
MWContext *context = fe_WidgetToMWContext (widget);
XP_Bool mail_or_news_required = FALSE;
MWContextType required_type = (MWContextType) (~0);
XP_Bool make_context_if_necessary = FALSE;
MWContext *target_context = context;
XP_ASSERT(context);
buf = fe_StringTrim (strdup (command));
buf2_size = strlen (buf) + 200;
buf2 = (char *) malloc (buf2_size);
head = buf;
tail = buf;
if (! widget)
{
PR_snprintf (buf2, buf2_size,
XP_GetString(XFE_REMOTE_S_509_INTERNAL_ERROR),
(unsigned int) window);
free (buf);
return buf2;
}
/* extract the name (everything before the first '(', trimmed.) */
while (1)
if (*tail == '(' || isspace (*tail) || !*tail)
{
*tail = 0;
tail++;
name = fe_StringTrim (head);
break;
}
else
tail++;
if (!name || !*name)
{
PR_snprintf (buf2, buf2_size,
XP_GetString(XFE_REMOTE_S_500_UNPARSABLE_COMMAND),
command);
free (buf);
return buf2;
}
/* look for it in the old remote actions. */
for (i = 0; i < fe_CommandActionsSize; i++)
if (!XP_STRCASECMP(name, fe_CommandActions [i].string))
{
name = fe_CommandActions [i].string;
action = fe_CommandActions [i].proc;
break;
}
if (!av)
{
avsize = 20;
av = (char **) calloc (avsize, sizeof (char *));
/* if it's not an old action, we need to know the name of the
command, so we stick it on the front. This will be dealt
with in xfeDoRemoteCommand. */
if (!action)
av[ ac++ ] = name;
while (*tail == '(' || isspace (*tail))
tail++;
head = tail;
while (1)
{
if (*tail == ')' || *tail == ',' || *tail == 0)
{
char delim = *tail;
if (ac >= (avsize - 2))
{
avsize += 20;
av = (char **) realloc (av, avsize * sizeof (char *));
}
*tail = 0;
av [ac++] = fe_StringTrim (head);
if (delim != ',' && !*av[ac-1])
ac--;
else if (!strcasecomp (av [ac-1], "noraise"))
{
raise_p = False;
ac--;
}
else if (!strcasecomp (av [ac-1], "raise"))
{
raise_p = True;
ac--;
}
head = tail+1;
if (delim != ',')
break;
}
tail++;
}
av [ac++] = "<remote>";
}
/* If this is GetURL or something like it, make sure the context we pick
matches the URL.
*/
if (strstr(name, "URL"))
{
const char *url = av[0];
mail_or_news_required = FALSE;
required_type = (MWContextType) (~0);
#ifdef MOZ_MAIL_NEWS
if (MSG_RequiresMailWindow (url))
required_type = MWContextMail;
else if (MSG_RequiresNewsWindow (url))
required_type = MWContextNews;
else if (MSG_RequiresBrowserWindow (url))
#endif
required_type = MWContextBrowser;
/* Nothing to do for MSG_RequiresComposeWindow compose. */
if (required_type != (MWContextType) (~0))
{
make_context_if_necessary = TRUE;
}
}
else if (!strcasecomp(name, "openfile"))
{
required_type = MWContextBrowser;
make_context_if_necessary = TRUE;
}
if (raise_p)
XMapRaised (dpy, window);
if (required_type != (MWContextType) (~0))
target_context = XP_FindContextOfType(context, required_type);
if (make_context_if_necessary && !target_context)
target_context = FE_MakeNewWindow(context, NULL, NULL, NULL);
if (target_context)
{
Cardinal ac2 = ac; /* why is this passed as a pointer??? */
if (name && action)
{
(*action) (CONTEXT_WIDGET(target_context), event, av, &ac2);
}
else
/* now we call our new xfe2 interface to the command mechanism */
{
xfeDoRemoteCommand (CONTEXT_WIDGET(target_context),
event, av, &ac2);
}
}
PR_snprintf (buf2, buf2_size,
XP_GetString(XFE_REMOTE_S_200_EXECUTED_COMMAND),
name);
for (i = 0; i < ac-1; i++)
{
strcat (buf2, av [i]);
if (i < ac-2)
strcat (buf2, ", ");
}
strcat (buf2, ")");
free (av);
free (buf);
return buf2;
}