RetroZilla/modules/plugin/samples/default/unix/nullplugin.c
2015-10-20 23:03:22 -04:00

508 lines
14 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** 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
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Stephen Mak <smak@sun.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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 ***** */
/*
* nullplugin.c
*
* Implementation of the null plugins for Unix.
*
* dp <dp@netscape.com>
* updated 5/1998 <pollmann@netscape.com>
* updated 9/2000 <smak@sun.com>
*
*/
#include <stdio.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <gdk/gdkkeysyms.h>
/* Xlib/Xt stuff */
#ifdef MOZ_X11
#include <X11/Xlib.h>
#include <X11/Intrinsic.h>
#include <X11/cursorfont.h>
#endif
#include "npapi.h"
#include "nullplugin.h"
#include "prprf.h"
#define DIALOGID "dialog"
/* Global data */
static MimeTypeElement *head = NULL;
/* destroy the dialog box */
void
destroyWidget(PluginInstance *This)
{
if (This && This->dialogBox)
{
gtk_widget_destroy (GTK_WIDGET(This->dialogBox));
}
}
/* callback function for the OK button */
static void
DialogOKClicked (GtkButton *button, gpointer data)
{
PluginInstance* This = (PluginInstance*) data;
GtkWidget* dialogWindow = gtk_object_get_data(GTK_OBJECT(button), DIALOGID);
char *url;
gtk_object_remove_data(GTK_OBJECT(button), DIALOGID);
if (This->pluginsFileUrl != NULL)
{
/* Get the JavaScript command string */
static const char buf[] =
"javascript:netscape.softupdate.Trigger.StartSoftwareUpdate(\"%s\")";
url = NPN_MemAlloc(strlen(This->pluginsFileUrl) + (sizeof(buf) - 2));
if (url != NULL)
{
/* Insert the file URL into the JavaScript command */
sprintf(url, buf, This->pluginsFileUrl);
NPN_GetURL(This->instance, url, TARGET);
NPN_MemFree(url);
}
}
else
{
/* If necessary, get the default plug-ins page resource */
char* address = This->pluginsPageUrl;
if (address == NULL || *address == 0)
{
address = PLUGINSPAGE_URL;
}
url = NPN_MemAlloc(strlen(address) + 1 + strlen(This->type)+1);
if (url != NULL)
{
NPN_PushPopupsEnabledState(This->instance, TRUE);
/* Append the MIME type to the URL */
sprintf(url, "%s?%s", address, This->type);
if (strcmp (This->type, JVM_MINETYPE) == 0)
{
NPN_GetURL(This->instance, JVM_SMARTUPDATE_URL , TARGET);
}
else
{
NPN_GetURL(This->instance, url, TARGET);
}
NPN_MemFree(url);
NPN_PopPopupsEnabledState(This->instance);
}
}
destroyWidget(This);
}
/* the call back function for cancel button */
static void
DialogCancelClicked (GtkButton *button, gpointer data)
{
destroyWidget((PluginInstance*) data);
}
/* function that closes the dialog if ESC is pressed */
static gboolean
DialogEscapePressed (GtkWidget *widget, GdkEventKey *event, gpointer data)
{
if (event->keyval == GDK_Escape)
{
gtk_signal_emit_stop_by_name (GTK_OBJECT (widget), "key_press_event");
gtk_object_destroy (GTK_OBJECT (widget));
return TRUE;
}
return FALSE;
}
/* a handy procedure to add a widget and pack it as well */
static GtkWidget *
AddWidget (GtkWidget *widget, GtkWidget *packingbox)
{
gtk_box_pack_start(GTK_BOX(packingbox), widget, TRUE, TRUE, 2);
return widget;
}
/* MIMETypeList maintenance routines */
static gboolean
isEqual(NPMIMEType t1, NPMIMEType t2)
{
return (t1 && t2) ? (strcmp(t1, t2) == 0) : FALSE;
}
static MimeTypeElement *
isExist(MimeTypeElement **typelist, NPMIMEType type)
{
MimeTypeElement *ele;
ele = *typelist;
while (ele != NULL) {
if (isEqual(ele->pinst->type, type))
return ele;
ele = ele->next;
}
return NULL;
}
NPMIMEType
dupMimeType(NPMIMEType type)
{
NPMIMEType mimetype = NPN_MemAlloc(strlen(type)+1);
if (mimetype)
strcpy(mimetype, type);
return(mimetype);
}
static gboolean
addToList(MimeTypeElement **typelist, PluginInstance *This)
{
if (This && This->type && !isExist(typelist, This->type))
{
MimeTypeElement *ele;
if ((ele = (MimeTypeElement *) NPN_MemAlloc(sizeof(MimeTypeElement))))
{
ele->pinst = This;
ele->next = *typelist;
*typelist = ele;
return(TRUE);
}
}
return(FALSE);
}
static gboolean
delFromList(MimeTypeElement **typelist, PluginInstance *This)
{
if (typelist && This)
{
MimeTypeElement *ele_prev;
MimeTypeElement *ele = *typelist;
while (ele)
{
if (isEqual(ele->pinst->type, This->type))
{
if (*typelist == ele)
{
*typelist = ele->next;
} else {
ele_prev->next = ele->next;
}
NPN_MemFree(ele);
return(TRUE);
}
ele_prev = ele;
ele = ele->next;
}
}
return(FALSE);
}
static void
onDestroyWidget(GtkWidget *w, gpointer data)
{
PluginInstance* This = (PluginInstance*) data;
if (This && This->dialogBox && This->dialogBox == w)
{
This->dialogBox = 0;
delFromList(&head, This);
}
}
/* create and display the dialog box */
void
makeWidget(PluginInstance *This)
{
GtkWidget *dialogWindow;
GtkWidget *dialogMessage;
GtkWidget *okButton;
GtkWidget *cancelButton;
char message[1024];
MimeTypeElement *ele;
if (!This) return;
/* need to check whether we already pop up a dialog box for previous
minetype in the same web page. It's require otherwise there will
be 2 dialog boxes pop if there are 2 plugin in the same web page
*/
if ((ele = isExist(&head, This->type)))
{
if (ele->pinst && ele->pinst->dialogBox)
{
GtkWidget *top_window = gtk_widget_get_toplevel(ele->pinst->dialogBox);
if (top_window && GTK_WIDGET_VISIBLE(top_window))
{ /* this will raise the toplevel window */
gdk_window_show(top_window->window);
}
}
return;
}
dialogWindow = gtk_dialog_new();
This->dialogBox = dialogWindow;
This->exists = TRUE;
This->dialogBox = dialogWindow;
addToList(&head, This);
gtk_window_set_title(GTK_WINDOW(dialogWindow), PLUGIN_NAME);
gtk_window_set_position(GTK_WINDOW(dialogWindow), GTK_WIN_POS_CENTER);
gtk_window_set_modal(GTK_WINDOW(dialogWindow), FALSE);
gtk_container_set_border_width(GTK_CONTAINER(dialogWindow), 20);
gtk_window_set_policy(GTK_WINDOW(dialogWindow), FALSE, FALSE, TRUE);
PR_snprintf(message, sizeof(message) - 1, MESSAGE, This->type);
dialogMessage = AddWidget(gtk_label_new (message),
GTK_DIALOG(dialogWindow)->vbox);
okButton= AddWidget(gtk_button_new_with_label (OK_BUTTON),
GTK_DIALOG(dialogWindow)->action_area);
gtk_object_set_data(GTK_OBJECT(okButton), DIALOGID, dialogWindow);
GTK_WIDGET_SET_FLAGS (okButton, GTK_CAN_DEFAULT);
gtk_widget_grab_default(okButton);
cancelButton= AddWidget(gtk_button_new_with_label (CANCEL_BUTTON),
GTK_DIALOG(dialogWindow)->action_area);
gtk_signal_connect (GTK_OBJECT(okButton), "clicked",
GTK_SIGNAL_FUNC(DialogOKClicked), This);
gtk_signal_connect (GTK_OBJECT(cancelButton), "clicked",
GTK_SIGNAL_FUNC(DialogCancelClicked), This);
gtk_signal_connect(GTK_OBJECT(dialogWindow), "key_press_event",
GTK_SIGNAL_FUNC (DialogEscapePressed), NULL);
/* hookup to when the dialog is destroyed */
gtk_signal_connect(GTK_OBJECT(dialogWindow), "destroy",
GTK_SIGNAL_FUNC(onDestroyWidget), This);
gtk_widget_show_all(dialogWindow);
}
/* XPM */
static char * npnul320_xpm[] = {
"32 32 6 1",
" c None",
". c #808080",
"+ c #F8F8F8",
"@ c #C0C0C0",
"# c #000000",
"$ c #00F8F8",
"........................++++++++",
".++++++++++++++++++++++..+++++++",
".+++++++++++++++++++++@.@.++++++",
".++@@@@@@@@@@@@@@@@@@@@.+@.+++++",
".++@@@@@@@@@.....@@@@@@.++@.++++",
".++@@@@@@@@.+++++#@@@@@.+++@.+++",
".++@@@@@@@.++$$$$$#@@@@.++++@.++",
".++@@@@@@@.+$$$$$$#.@@@.+++++@.+",
".++@@@...@@.+$$$$#..###.#######+",
".++@@.+++$$++$$$$$##++$#......#+",
".++@@.+$$$++$$$$$$$+$$$#......#+",
".++@@.+$$$$$$$$$$$$$$$$#..@@++#+",
".++@@@$$$$$$$$$$$$$$$$#...@@++#+",
".++@@@$#$##.$$$$$$##$$#...@@++#+",
".++@@@@##...$$$$$#..##...@@@++#+",
".++@@@@@....+$$$$#.......@@@++#+",
".++@@@@@@...+$$$$#.@@@..@@@@++#+",
".++@@@@..@@.+$$$$#.@##@@@@@@++#+",
".++@@@.++$$++$$$$$##$$#@@@@@++#+",
".++@@@.+$$++$$$$$$$$$$#@@@@@++#+",
".++@@.++$$$$$$$$$$$$$$$#@@@@++#+",
".++@@.+$$$$$$$$$$$$$$$$#.@@@++#+",
".++@@.+$$##$$$$$$$##$$$#..@@++#+",
".++@@@###...$$$$$#.@###...@@++#+",
".++@@@@....$$$$$$$#.@.....@@++#+",
".++@@@@@...$$$$$$$#..@...@@@++#+",
".++@@@@@@@@#$$$$$#...@@@@@@@++#+",
".++@@@@@@@@@#####...@@@@@@@@++#+",
".++@@@@@@@@@@......@@@@@@@@@++#+",
".+++++++++++++....++++++++++++#+",
".+++++++++++++++++++++++++++++#+",
"###############################+"};
static GdkPixmap *nullPluginGdkPixmap = 0;
static GdkWindow *getGdkWindow(PluginInstance *This)
{
#ifdef MOZ_X11
GdkWindow *gdk_window;
Window xwin = (Window) This->window;
Widget xt_w = XtWindowToWidget(This->display, xwin);
if (xt_w) {
xt_w = XtParent(xt_w);
if (xt_w) {
xwin = XtWindow(xt_w);
/* xwin = xt_w->core.window; */
}
}
gdk_window = gdk_window_lookup(xwin);
return gdk_window;
#else
return NULL;
#endif
}
static void
createPixmap(PluginInstance *This)
{
int err = 0;
if (nullPluginGdkPixmap == 0)
{
GtkStyle *style;
GdkBitmap *mask;
GdkWindow *gdk_window = getGdkWindow(This);
if (gdk_window)
{
GtkWidget *widget;
#ifndef MOZ_WIDGET_GTK2
widget = (GtkWidget *)gdk_window->user_data;
#else
gpointer user_data = NULL;
gdk_window_get_user_data( gdk_window, &user_data);
widget = GTK_WIDGET(user_data);
#endif
style = gtk_widget_get_style(widget);
nullPluginGdkPixmap = gdk_pixmap_create_from_xpm_d(gdk_window , &mask,
&style->bg[GTK_STATE_NORMAL], npnul320_xpm);
#ifdef MOZ_X11
/* Pixmap is created on original X session but used by new session */
XSync(GDK_DISPLAY(), False);
#endif
}
}
}
static void
drawPixmap(PluginInstance *This)
{
if (nullPluginGdkPixmap)
{
int pixmap_with, pixmap_height, dest_x, dest_y;
gdk_window_get_size((GdkWindow *)nullPluginGdkPixmap, &pixmap_with, &pixmap_height);
dest_x = This->width/2 - pixmap_with/2;
dest_y = This->height/2 - pixmap_height/2;
if (dest_x >= 0 && dest_y >= 0)
{
#ifdef MOZ_X11
GC gc;
gc = XCreateGC(This->display, This->window, 0, NULL);
XCopyArea(This->display, GDK_WINDOW_XWINDOW(nullPluginGdkPixmap) , This->window, gc,
0, 0, pixmap_with, pixmap_height, dest_x, dest_y);
XFreeGC(This->display, gc);
#endif
}
}
}
static void
setCursor (PluginInstance *This)
{
#ifdef MOZ_X11
static Cursor nullPluginCursor = 0;
if (!nullPluginCursor)
{
nullPluginCursor = XCreateFontCursor(This->display, XC_hand2);
}
if (nullPluginCursor)
{
XDefineCursor(This->display, This->window, nullPluginCursor);
}
#endif
}
#ifdef MOZ_X11
static void
xt_event_handler(Widget xt_w, PluginInstance *This, XEvent *xevent, Boolean *b)
{
switch (xevent->type)
{
case Expose:
/* get rid of all other exposure events */
while(XCheckTypedWindowEvent(This->display, This->window, Expose, xevent));
drawPixmap(This);
break;
case ButtonRelease:
if (xevent->xbutton.button == Button1)
{
makeWidget(This);
}
break;
default:
break;
}
}
#endif
static void
addXtEventHandler(PluginInstance *This)
{
#ifdef MOZ_X11
Display *dpy = (Display*) This->display;
Window xwin = (Window) This->window;
Widget xt_w = XtWindowToWidget(dpy, xwin);
if (xt_w)
{
long event_mask = ExposureMask | ButtonReleaseMask | ButtonPressMask;
XSelectInput(dpy, xwin, event_mask);
XtAddEventHandler(xt_w, event_mask, False, (XtEventHandler)xt_event_handler, This);
}
#endif
}
void
makePixmap(PluginInstance *This)
{
createPixmap(This);
drawPixmap(This);
setCursor(This);
addXtEventHandler(This);
}