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