void
lo_FormatObject(MWContext* context, lo_DocState* state, PA_Tag* tag)
{
lo_TopState* top_state = state->top_state;
lo_ObjectStack* top;
LO_ObjectStruct* object;
PA_Block buff;
int16 type = LO_NONE;
char* str;
#ifdef ANTHRAX
XP_Bool javaMimetypeHandler = FALSE;
char* appletName;
NET_cinfo* fileInfo;
#endif /* ANTHRAX */
/*
* Make a new default object. Passing LO_OBJECT will create an
* LO_Element, which being a union of all other layout element types
* is guaranteed to be big enough to transmogrify into one of these
* specific types later if necessary.
*/
object = (LO_ObjectStruct*) lo_NewElement(context, state, LO_OBJECT, NULL, 0);
if (object == NULL)
{
state->top_state->out_of_memory = TRUE;
return;
}
top = top_state->object_stack;
top->object = object;
/*
* Set up default fields for this object that are common
* to all possible object types.
*/
object->lo_element.type = LO_NONE;
object->lo_element.lo_any.ele_id = NEXT_ELEMENT;
object->lo_element.lo_any.x = state->x;
object->lo_element.lo_any.x_offset = 0;
object->lo_element.lo_any.y = state->y;
object->lo_element.lo_any.y_offset = 0;
object->lo_element.lo_any.width = 0;
object->lo_element.lo_any.height = 0;
object->lo_element.lo_any.next = NULL;
object->lo_element.lo_any.prev = NULL;
/*
* Now attempt to figure out what type of object we have.
* If the type can be determined here, great; otherwise
* we have to block until the type can be determined by
* reading in additional data.
*
* Initially the type of the object is LO_NONE. When
* we figure out enough to know the type, we set it to
* LO_EMBED, LO_JAVA, or LO_IMAGE. If the type had
* already been changed to a different incompatible type,
* then the tag is malformed and we should ignore it, so
* set the type to LO_UNKNOWN.
*/
#if 0
/*
* Check the "codetype" attribute, which optionally determines
* the MIME type of the object code itself (as opposed to its
* data). The only code type we know about right now is
* application/java-vm for Java applets.
*/
buff = lo_FetchParamValue(context, tag, PARAM_CODETYPE);
if (buff != NULL)
{
PA_LOCK(str, char *, buff);
if (pa_TagEqual(APPLICATION_JAVAVM, str))
{
/* It's a Java applet */
if (type == LO_NONE)
type = LO_JAVA;
else if (type != LO_JAVA)
type = LO_UNKNOWN;
}
else if (pa_TagEqual(APPLICATION_OLEOBJECT, str) ||
pa_TagEqual(APPLICATION_OLEOBJECT2, str))
{
/* It's an OLE object */
if (type == LO_NONE)
type = LO_EMBED;
else if (type != LO_EMBED)
type = LO_UNKNOWN;
}
PA_UNLOCK(buff);
XP_FREE(buff);
}
#endif
/*
* Check the "classid" attribute, which optionally determines
* the specific implementation of the object. The classid
* could be a normal URL, in which case we have to retrieve
* that URL and match it against a known code type (see above).
* There are also two "magic" URL types supported for classid:
* "clsid:", which indicates a COM 376-hex-digit class ID,
* and "java:", which indicates a specific java class to run.
* Note that the "java:" URL is different from the APPLET
* "code" attribute: the "java:" URL specifies a particular
* method (e.g. "java:program.run"), while the APPLET CODE
* attribute specifies an applet subclass (e.g. "MyApplet.class").
*
* Further notes about "java:"
* We are adding two related "magic" protocol selectors to
* augment "java:". These are "javaprogram:" and "javabean:".
* They are used with embedded applications and application
* objects. "javaprogram:" identifies an object as being a
* subclass of netscape.application.Application, and is used
* to start an instance of such application. "javabean:" is
* used to add an embedded object to an application.
*/
buff = lo_FetchParamValue(context, tag, PARAM_CLASSID);
if (buff != NULL)
{
PA_LOCK(str, char *, buff);
if (XP_STRNCASECMP(str, "clsid:", 6) == 0)
{
/*
* It's a COM class ID, so make sure we have an
* appropriate plug-in to handle ActiveX controls.
*/
if (NPL_FindPluginEnabledForType(APPLICATION_OLEOBJECT) != NULL)
{
if (type == LO_NONE)
type = LO_EMBED;
else if (type != LO_EMBED)
type = LO_UNKNOWN;
}
}
else if ( (XP_STRNCASECMP(str, "java:", 5) == 0) ||
(XP_STRNCASECMP(str, "javaprogram:", 12) == 0) ||
(XP_STRNCASECMP(str, "javabean:", 9) == 0) )
{
/* It's a Java class */
if (type == LO_NONE)
type = LO_JAVA;
else if (type != LO_JAVA)
type = LO_UNKNOWN;
}
else
{
/*
* Must be a URL to the code; we'll need to fetch it to
* determine the type. bing: How should we do this?
*/
}
PA_UNLOCK(buff);
XP_FREE(buff);
}
/*
* Check the "type" attribute, which optionally determines
* the type of the data for the object. The data type
* can be used to infer the object implementation type if
* the implementation hasn't been specified via "classid"
* or "codetype" (see above). The two kinds of objects
* we currently support with typed data are plug-ins and
* images; for plug-ins we can ask libplug if the type is
* currently handled by a plug-in; for images we just check
* against a hard-coded list of image types we natively
* support (yuck).
*/
buff = lo_FetchParamValue(context, tag, PARAM_TYPE);
if (buff != NULL)
{
PA_LOCK(str, char *, buff);
if (NPL_FindPluginEnabledForType(str) != NULL)
{
/* It's a plug-in */
if (type == LO_NONE)
type = LO_EMBED;
else if (type != LO_EMBED)
type = LO_UNKNOWN;
}
/*
Adding a check for applets that handle mimetypes.
The pref is stored based on the particular mimetype.
We do a lookup and if there is an association, the name
of the applet is placed into "appletName".
NOTE: PREF_CopyCharPref() allocates memory for appletName
and we must free it.
9.23.97 amusil
*/
#ifdef ANTHRAX
if((appletName = NPL_FindAppletEnabledForMimetype(str)) != NULL)
{
/* Set the type */
type = LO_JAVA;
/* set the CLASSID to whatever was put into "appletName" */
lo_SetClassID(tag, appletName);
/* set this so that we know later to translate the DATA/SRC param to a Java arg */
javaMimetypeHandler = TRUE;
XP_FREE(appletName);
}
#endif /* ANTHRAX */
#if 0
else if (XP_STRNCASECMP(str, "image/", 6) == 0)
{
if (XP_STRCASECMP(str, IMAGE_GIF) ||
XP_STRCASECMP(str, IMAGE_JPG) ||
XP_STRCASECMP(str, IMAGE_PJPG) ||
XP_STRCASECMP(str, IMAGE_XBM) ||
XP_STRCASECMP(str, IMAGE_XBM2) ||
XP_STRCASECMP(str, IMAGE_XBM3))
{
/* It's an image */
if (type == LO_NONE)
type = LO_IMAGE;
else if (type != LO_IMAGE)
type = LO_UNKNOWN;
}
}
#endif /* if 0 */
#ifdef SHACK
if (XP_STRNCASECMP(str, "builtin", 7) == 0)
{
if (type == LO_NONE)
type = LO_EMBED;
else if (type != LO_EMBED)
type = LO_UNKNOWN;
}
#endif /* SHACK */
PA_UNLOCK(buff);
XP_FREE(buff);
}
#ifdef ANTHRAX
else /* we didn't find a TYPE param, so check the filename to get the type - amusil */
{
buff = lo_FetchParamValue(context, tag, PARAM_SRC);
/* if no src, check if there's a DATA param */
if(buff == NULL)
buff = lo_FetchParamValue(context, tag, PARAM_DATA);
/* extract the mimetype info */
PA_LOCK(str, char *, buff);
fileInfo = NET_cinfo_find_type(str);
str = fileInfo->type;
if((appletName = NPL_FindAppletEnabledForMimetype(str)) != NULL)
{
/* Set the type */
type = LO_JAVA;
/* set the CLASSID to whatever was put into "appletName" */
lo_SetClassID(tag, appletName);
/* set this so that we know later to translate the DATA/SRC param to a Java arg */
javaMimetypeHandler = TRUE;
XP_FREE(appletName); /* do we need to free this regardless? */
}
if(buff)
XP_FREE(buff);
}
#endif /* ANTRHAX */
if (type == LO_EMBED)
{
object->lo_element.type = LO_EMBED;
}
#ifdef JAVA
else if (type == LO_JAVA)
{
if (LJ_GetJavaEnabled() != FALSE)
{
/*
* Close out the current applet if necessary
* (people tend to forget "</APPLET>").
*/
if (state->current_java != NULL)
lo_CloseJavaApp(context, state, state->current_java);
object->lo_element.type = LO_JAVA;
lo_FormatJavaObject(context, state, tag, (LO_JavaAppStruct*) object);
/*
If we determined previously that this is an applet to mimetype
association, we must set up the SRC or DATA as an arg for the
applet.
9.8.97 amusil
*/
#ifdef ANTHRAX
if(javaMimetypeHandler)
lo_SetJavaArgs((char*)tag->data, state->current_java);
#endif /* ANTHRAX */
}
}
#endif /* JAVA */
#if 0
else if (type == LO_IMAGE)
{
object->type = LO_IMAGE;
lo_FormatImageObject(context, state, tag, (LO_ImageStruct*) object);
}
#endif /* if 0 */
else
{
/*
* Check for a "data" attribute; if it exists, we can get
* the URL later to see what the type of the object should be.
*/
buff = lo_FetchParamValue(context, tag, PARAM_DATA);
if (buff != NULL)
{
PA_LOCK(str, char *, buff);
if (XP_STRNCASECMP(str, "data:", 5) == 0)
{
/* bing: deal with magic data URLs here */
PA_UNLOCK(buff);
XP_FREE(buff);
}
else
{
/*
* Block layout until we can read the PARAM tags
* and closing </OBJECT> tag, go get the data URL,
* and determine its type. At that point (in
* either LO_NewObjectStream, or lo_ObjectURLExit),
* we know the object type and can unblock.
*/
top->data_url = str;
state->top_state->layout_blocking_element = (LO_Element*) object;
PA_UNLOCK(buff);
/* Don't free buff; we stored it in the object stack */
}
}
else
{
/*
* Otherwise we just don't know what to do with this!
*/
object->lo_element.type = LO_UNKNOWN;
}
}
}
void
fe_showNetcaster(Widget toplevel)
/*
* description:
* This function shows the Netcaster window, starting
* Netcaster if necessary. If Netcaster is not installed,
* this function does nothing.
*
****************************************/
{
MWContext * netcasterContext;
if (!fe_IsNetcasterInstalled())
return;
if(!(netcasterContext=FE_IsNetcasterRunning()))
{
Chrome netcasterChrome;
URL_Struct* URL_s;
const char* netcasterURL = xfe_netcaster_url();
if (netcasterURL)
{
if (!LM_GetMochaEnabled() || !LJ_GetJavaEnabled())
{
fe_Alert_2(toplevel, XP_GetString(XP_ALERT_NETCASTER_NO_JS));
return;
}
memset(&netcasterChrome, 0, sizeof(Chrome));
netcasterChrome.w_hint = 21;
netcasterChrome.h_hint = 59;
netcasterChrome.l_hint = -1000;
netcasterChrome.t_hint = -1000;
netcasterChrome.topmost = TRUE;
netcasterChrome.z_lock = TRUE;
netcasterChrome.location_is_chrome = TRUE;
netcasterChrome.disable_commands = TRUE;
netcasterChrome.hide_title_bar = TRUE;
netcasterChrome.restricted_target = TRUE;
URL_s = NET_CreateURLStruct(netcasterURL, NET_DONT_RELOAD);
netcasterContext = xfe2_MakeNewWindow(toplevel,NULL,
URL_s,
netcasterWindowName,
MWContextBrowser,
False,
&netcasterChrome);
}
else
{
fe_Alert_2(toplevel, XP_GetString(XP_ALERT_CANT_RUN_NETCASTER));
}
}
else
{
FE_RaiseWindow(netcasterContext);
}
}
