static JSBool
url_get_coord(JSContext *cx, JSURL *url, jsint slot, jsval *vp)
{
int32 coord;
LO_AnchorData *anchor_data;
MWContext *context;
LO_LockLayout();
context = url->url_decoder->window_context;
anchor_data = LO_GetLinkByIndex(context, url->layer_id, url->index);
if (anchor_data && anchor_data->element) {
switch (slot) {
case URL_X:
coord = anchor_data->element->lo_any.x;
break;
case URL_Y:
coord = anchor_data->element->lo_any.y;
break;
default:
LO_UnlockLayout();
return JS_FALSE;
}
*vp = INT_TO_JSVAL(coord);
LO_UnlockLayout();
return JS_TRUE;
}
*vp = JSVAL_NULL;
LO_UnlockLayout();
return JS_TRUE;
}
anchor_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
JSAnchor *named_anchor;
lo_NameList *name_rec;
jsint slot;
if (!JSVAL_IS_INT(id))
return JS_TRUE;
slot = JSVAL_TO_INT(id);
named_anchor = JS_GetInstancePrivate(cx, obj, &lm_anchor_class, NULL);
if (!named_anchor)
return JS_TRUE;
LO_LockLayout();
name_rec = LO_GetNamedAnchorByIndex(named_anchor->decoder->window_context,
named_anchor->layer_id,
named_anchor->index);
if (!name_rec) {
LO_UnlockLayout();
return JS_TRUE; /* Try to handle this case gracefully. */
}
switch (slot) {
case ANCHOR_TEXT:
if (named_anchor->text)
*vp = STRING_TO_JSVAL(named_anchor->text);
else
*vp = JSVAL_NULL;
break;
case ANCHOR_NAME:
if (named_anchor->name)
*vp = STRING_TO_JSVAL(named_anchor->name);
else
*vp = JSVAL_NULL;
break;
case ANCHOR_X:
*vp = INT_TO_JSVAL(name_rec->element->lo_any.x);
break;
case ANCHOR_Y:
*vp = INT_TO_JSVAL(name_rec->element->lo_any.y);
break;
default:
/* Don't mess with a user-defined or method property. */
break;
}
LO_UnlockLayout();
return JS_TRUE;
}
link_array_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
JSObjectArray *array;
MochaDecoder *decoder;
MWContext *context;
jsint count, slot;
LO_AnchorData *anchor_data;
int32 active_layer_id;
if (!JSVAL_IS_INT(id))
return JS_TRUE;
slot = JSVAL_TO_INT(id);
array = JS_GetInstancePrivate(cx, obj, &lm_link_array_class, NULL);
if (!array)
return JS_TRUE;
decoder = array->decoder;
context = decoder->window_context;
if (!context) return JS_TRUE;
LO_LockLayout();
switch (slot) {
case ANCHOR_ARRAY_LENGTH:
active_layer_id = LM_GetActiveLayer(context);
LM_SetActiveLayer(context, array->layer_id);
count = LO_EnumerateLinks(context, array->layer_id);
LM_SetActiveLayer(context, active_layer_id);
if (count > array->length)
array->length = count;
*vp = INT_TO_JSVAL(count);
break;
default:
if (slot < 0) {
/* Don't mess with user-defined or method properties. */
LO_UnlockLayout();
return JS_TRUE;
}
if (slot >= array->length)
array->length = slot + 1;
anchor_data = LO_GetLinkByIndex(context, array->layer_id, (uint)slot);
if (anchor_data) {
*vp = OBJECT_TO_JSVAL(LM_ReflectLink(context, anchor_data, NULL,
array->layer_id, (uint)slot));
}
break;
}
LO_UnlockLayout();
return JS_TRUE;
}
url_finalize(JSContext *cx, JSObject *obj)
{
JSURL *url;
MochaDecoder *decoder;
MWContext *context;
LO_AnchorData *anchor_data;
url = JS_GetPrivate(cx, obj);
if (!url)
return;
decoder = url->url_decoder;
if (url->index != URL_NOT_INDEXED) {
context = decoder->window_context;
if (context) {
LO_LockLayout();
anchor_data = LO_GetLinkByIndex(context, url->layer_id,
url->index);
if (anchor_data && anchor_data->mocha_object == obj)
anchor_data->mocha_object = NULL;
LO_UnlockLayout();
}
}
DROP_BACK_COUNT(decoder);
JS_RemoveRoot(cx, &url->href);
JS_RemoveRoot(cx, &url->target);
JS_RemoveRoot(cx, &url->text);
XP_DELETE(url);
}
anchor_finalize(JSContext *cx, JSObject *obj)
{
JSAnchor *named_anchor;
MochaDecoder *decoder;
MWContext *context;
lo_NameList *name_rec;
named_anchor = JS_GetPrivate(cx, obj);
if (!named_anchor)
return;
decoder = named_anchor->decoder;
context = decoder->window_context;
if (context) {
LO_LockLayout();
name_rec = LO_GetNamedAnchorByIndex(context, named_anchor->layer_id,
named_anchor->index);
if (name_rec && name_rec->mocha_object == obj)
name_rec->mocha_object = NULL;
LO_UnlockLayout();
}
DROP_BACK_COUNT(decoder);
JS_UnlockGCThing(cx, named_anchor->text);
JS_UnlockGCThing(cx, named_anchor->name);
JS_free(cx, named_anchor);
}
anchor_array_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
JSObjectArray *array;
MochaDecoder *decoder;
MWContext *context;
jsint count, slot;
lo_NameList *name_rec;
int32 active_layer_id;
if (!JSVAL_IS_INT(id))
return JS_TRUE;
slot = JSVAL_TO_INT(id);
array = JS_GetInstancePrivate(cx, obj, &lm_anchor_array_class, NULL);
if (!array)
return JS_TRUE;
decoder = array->decoder;
context = decoder->window_context;
if (!context) return JS_TRUE;
LO_LockLayout();
switch (slot) {
case ANCHOR_ARRAY_LENGTH:
active_layer_id = LM_GetActiveLayer(context);
LM_SetActiveLayer(context, array->layer_id);
count = LO_EnumerateNamedAnchors(context, array->layer_id);
LM_SetActiveLayer(context, active_layer_id);
if (count > array->length)
array->length = count;
*vp = INT_TO_JSVAL(count);
break;
default:
if (slot >= array->length)
array->length = slot + 1;
name_rec = LO_GetNamedAnchorByIndex(context, array->layer_id,
(uint)slot);
if (name_rec) {
*vp = OBJECT_TO_JSVAL(LM_ReflectNamedAnchor(context, name_rec,
NULL, array->layer_id,
(uint)slot));
}
break;
}
LO_UnlockLayout();
return JS_TRUE;
}
const char *
lm_CheckURL(JSContext *cx, const char *url_string, JSBool checkFile)
{
char *protocol, *absolute;
JSObject *obj;
MochaDecoder *decoder;
protocol = NET_ParseURL(url_string, GET_PROTOCOL_PART);
if (!protocol || *protocol == '\0') {
lo_TopState *top_state;
obj = JS_GetGlobalObject(cx);
decoder = JS_GetPrivate(cx, obj);
LO_LockLayout();
top_state = lo_GetMochaTopState(decoder->window_context);
if (top_state && top_state->base_url) {
absolute = NET_MakeAbsoluteURL(top_state->base_url,
(char *)url_string); /*XXX*/
/*
* Temporarily unlock layout so that we don't hold the lock
* across a call (lm_CheckPermissions) that may result in
* synchronous event handling.
*/
LO_UnlockLayout();
if (!lm_CheckPermissions(cx, obj,
JSTARGET_UNIVERSAL_BROWSER_READ))
{
/* Don't leak information about the url of this page. */
XP_FREEIF(absolute);
return NULL;
}
LO_LockLayout();
} else {
absolute = NULL;
}
if (absolute) {
if (protocol) XP_FREE(protocol);
protocol = NET_ParseURL(absolute, GET_PROTOCOL_PART);
}
LO_UnlockLayout();
} else {
absolute = JS_strdup(cx, url_string);
if (!absolute) {
XP_FREE(protocol);
return NULL;
}
decoder = NULL;
}
if (absolute) {
/* Make sure it's a safe URL type. */
switch (NET_URL_Type(protocol)) {
case FILE_TYPE_URL:
if (checkFile) {
const char *subjectOrigin = lm_GetSubjectOriginURL(cx);
if (subjectOrigin == NULL) {
XP_FREE(protocol);
return NULL;
}
if (NET_URL_Type(subjectOrigin) != FILE_TYPE_URL &&
!lm_CanAccessTarget(cx, JSTARGET_UNIVERSAL_FILE_READ))
{
XP_FREE(absolute);
absolute = NULL;
}
}
break;
case FTP_TYPE_URL:
case GOPHER_TYPE_URL:
case HTTP_TYPE_URL:
case MAILTO_TYPE_URL:
case NEWS_TYPE_URL:
case RLOGIN_TYPE_URL:
case TELNET_TYPE_URL:
case TN3270_TYPE_URL:
case WAIS_TYPE_URL:
case SECURE_HTTP_TYPE_URL:
case URN_TYPE_URL:
case NFS_TYPE_URL:
case MOCHA_TYPE_URL:
case VIEW_SOURCE_TYPE_URL:
case NETHELP_TYPE_URL:
case WYSIWYG_TYPE_URL:
case LDAP_TYPE_URL:
#ifdef JAVA
case MARIMBA_TYPE_URL:
#endif
/* These are "safe". */
break;
case ABOUT_TYPE_URL:
if (XP_STRCASECMP(absolute, "about:blank") == 0)
break;
if (XP_STRNCASECMP(absolute, "about:pics", 10) == 0)
break;
/* these are OK if we are signed */
if (lm_CanAccessTarget(cx, JSTARGET_UNIVERSAL_BROWSER_READ))
break;
/* FALL THROUGH */
default:
/* All others are naughty. */
XP_FREE(absolute);
absolute = NULL;
break;
}
}
if (!absolute) {
JS_ReportError(cx, "illegal URL method '%s'",
protocol && *protocol ? protocol : url_string);
}
if (protocol)
XP_FREE(protocol);
return absolute;
}
embed_array_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
JSObjectArray *array;
MochaDecoder *decoder;
MWContext *context;
jsint count, slot;
LO_EmbedStruct *embed_data;
int32 active_layer_id;
if (!JSVAL_IS_INT(id))
return JS_TRUE;
slot = JSVAL_TO_INT(id);
array = JS_GetInstancePrivate(cx, obj, &lm_embed_array_class, NULL);
if (!array)
return JS_TRUE;
decoder = array->decoder;
context = decoder->window_context;
if (!context) return JS_TRUE;
if (LM_MOJA_OK != ET_InitMoja(context))
return JS_FALSE;
LO_LockLayout();
switch (slot) {
case EMBED_ARRAY_LENGTH:
active_layer_id = LM_GetActiveLayer(context);
LM_SetActiveLayer(context, array->layer_id);
count = LO_EnumerateEmbeds(context, array->layer_id);
LM_SetActiveLayer(context, active_layer_id);
if (count > array->length)
array->length = count;
*vp = INT_TO_JSVAL(array->length);
break;
default:
if (slot < 0) {
/* Don't mess with user-defined or method properties. */
LO_UnlockLayout();
return JS_TRUE;
}
embed_data = LO_GetEmbedByIndex(context, array->layer_id, (uint)slot);
if (embed_data) {
JSObject *mo = LM_ReflectEmbed(context, embed_data, NULL,
array->layer_id, (uint)slot);
if (!mo) {
JS_ReportError(cx,
"unable to reflect embed with index %d - not loaded yet?",
(uint) slot);
goto err;
}
*vp = OBJECT_TO_JSVAL(mo);
XP_ASSERT(slot < array->length);
} else {
JS_ReportError(cx, "no embed with index %d\n");
goto err;
}
break;
}
LO_UnlockLayout();
return JS_TRUE;
err:
LO_UnlockLayout();
return JS_FALSE;
}
JSObject *
LM_ReflectNamedAnchor(MWContext *context, lo_NameList *name_rec,
PA_Tag * tag, int32 layer_id, uint index)
{
JSObject *obj, *array_obj, *document;
MochaDecoder *decoder;
JSContext *cx;
JSObjectArray *array;
JSAnchor *named_anchor;
lo_TopState *top_state;
PRHashTable *map;
JSString *str;
obj = name_rec->mocha_object;
if (obj)
return obj;
decoder = LM_GetMochaDecoder(context);
if (!decoder)
return NULL;
cx = decoder->js_context;
top_state = lo_GetMochaTopState(context);
if (top_state->resize_reload) {
map = lm_GetIdToObjectMap(decoder);
if (map)
obj = (JSObject *)PR_HashTableLookup(map,
LM_GET_MAPPING_KEY(LM_NAMEDANCHORS,
layer_id, index));
if (obj) {
name_rec->mocha_object = obj;
LM_PutMochaDecoder(decoder);
return obj;
}
}
/* Get the document object that will hold this anchor */
document = lm_GetDocumentFromLayerId(decoder, layer_id);
if (!document) {
LM_PutMochaDecoder(decoder);
return NULL;
}
array_obj = lm_GetNameArray(decoder, document);
if (!array_obj) {
LM_PutMochaDecoder(decoder);
return NULL;
}
array = JS_GetPrivate(cx, array_obj);
if (!array) {
LM_PutMochaDecoder(decoder);
return NULL;
}
named_anchor = JS_malloc(cx, sizeof *named_anchor);
if (!named_anchor) {
LM_PutMochaDecoder(decoder);
return NULL;
}
XP_BZERO(named_anchor, sizeof *named_anchor);
obj = JS_NewObject(cx, &lm_anchor_class, decoder->anchor_prototype,
document);
if (!obj || !JS_SetPrivate(cx, obj, named_anchor)) {
JS_free(cx, named_anchor);
LM_PutMochaDecoder(decoder);
return NULL;
}
/* Put obj into the document.anchors array. */
JS_DefineProperty(cx, array_obj, (char *) name_rec->name,
OBJECT_TO_JSVAL(obj), NULL, NULL,
JSPROP_ENUMERATE|JSPROP_READONLY);
JS_AliasElement(cx, array_obj, (char *) name_rec->name, index);
/* Put it in the index to object hash table */
map = lm_GetIdToObjectMap(decoder);
if (map) {
PR_HashTableAdd(map,
LM_GET_MAPPING_KEY(LM_NAMEDANCHORS, layer_id, index),
obj);
}
if ((jsint) index >= array->length)
array->length = index + 1;
named_anchor->decoder = HOLD_BACK_COUNT(decoder);
named_anchor->layer_id = layer_id;
named_anchor->index = index;
if (name_rec->element && name_rec->element->type == LO_TEXT) {
str = lm_LocalEncodingToStr(context,
(char *) name_rec->element->lo_text.text);
if (!str || !JS_LockGCThing(cx, str)) {
LM_PutMochaDecoder(decoder);
return NULL;
}
named_anchor->text = str;
}
str = JS_NewStringCopyZ(cx, (char *) name_rec->name);
if (!str || !JS_LockGCThing(cx, str)) {
LM_PutMochaDecoder(decoder);
return NULL;
}
named_anchor->name = str;
name_rec->mocha_object = obj;
/* see if there are any attributes for event handlers */
if(tag) {
PA_Block onlocate, id;
/* don't hold the layout lock across compiles */
LO_UnlockLayout();
onlocate = lo_FetchParamValue(context, tag, PARAM_ONLOCATE);
id = lo_FetchParamValue(context, tag, PARAM_ID);
if (onlocate) {
(void) lm_CompileEventHandler(decoder, id, tag->data,
tag->newline_count, obj,
PARAM_ONLOCATE, onlocate);
PA_FREE(onlocate);
}
if (id)
PA_FREE(id);
LO_LockLayout();
}
LM_PutMochaDecoder(decoder);
return obj;
}
JSObject *
LM_ReflectLink(MWContext *context, LO_AnchorData *anchor_data, PA_Tag * tag,
int32 layer_id, uint index)
{
JSObject *obj, *array_obj, *document;
MochaDecoder *decoder;
JSContext *cx;
JSURL *url;
lo_TopState *top_state;
PRHashTable *map;
anchor_data = LO_GetLinkByIndex(context, layer_id, index);
if (!anchor_data)
return NULL;
obj = anchor_data->mocha_object;
if (obj)
return obj;
decoder = LM_GetMochaDecoder(context);
if (!decoder)
return NULL;
cx = decoder->js_context;
top_state = lo_GetMochaTopState(context);
if (top_state->resize_reload) {
map = lm_GetIdToObjectMap(decoder);
if (map)
obj = (JSObject *)PR_HashTableLookup(map,
LM_GET_MAPPING_KEY(LM_LINKS, layer_id, index));
if (obj) {
anchor_data->mocha_object = obj;
LM_PutMochaDecoder(decoder);
return obj;
}
}
/* Get the document object that will hold this link */
document = lm_GetDocumentFromLayerId(decoder, layer_id);
if (!document) {
LM_PutMochaDecoder(decoder);
return NULL;
}
array_obj = lm_GetLinkArray(decoder, document);
if (!array_obj) {
LM_PutMochaDecoder(decoder);
return NULL;
}
url = lm_NewURL(cx, decoder, anchor_data, document);
if (!url) {
LM_PutMochaDecoder(decoder);
return NULL;
}
url->index = index;
url->layer_id = layer_id;
obj = url->url_object;
/* XXX should find a name/id to pass in */
/* put it in the links array */
if (!lm_AddObjectToArray(cx, array_obj, NULL, index, obj)) {
LM_PutMochaDecoder(decoder);
return NULL;
}
/* Put it in the index to object hash table */
map = lm_GetIdToObjectMap(decoder);
if (map)
PR_HashTableAdd(map, LM_GET_MAPPING_KEY(LM_LINKS, layer_id, index),
obj);
anchor_data->mocha_object = obj;
LM_PutMochaDecoder(decoder);
/* see if there are any event handlers we need to reflect */
if(tag) {
PA_Block onclick, onmouseover, onmouseout, onmousedown, onmouseup, ondblclick, id;
/* don't hold the layout lock across compiles */
LO_UnlockLayout();
onclick = lo_FetchParamValue(context, tag, PARAM_ONCLICK);
onmouseover = lo_FetchParamValue(context, tag, PARAM_ONMOUSEOVER);
onmouseout = lo_FetchParamValue(context, tag, PARAM_ONMOUSEOUT);
onmousedown = lo_FetchParamValue(context, tag, PARAM_ONMOUSEDOWN);
onmouseup = lo_FetchParamValue(context, tag, PARAM_ONMOUSEUP);
ondblclick = lo_FetchParamValue(context, tag, PARAM_ONDBLCLICK);
id = lo_FetchParamValue(context, tag, PARAM_ID);
if (onclick) {
(void) lm_CompileEventHandler(decoder, id, tag->data,
tag->newline_count, url->url_object,
PARAM_ONCLICK, onclick);
PA_FREE(onclick);
anchor_data->event_handler_present = TRUE;
}
if (onmouseover) {
(void) lm_CompileEventHandler(decoder, id, tag->data,
tag->newline_count, url->url_object,
PARAM_ONMOUSEOVER, onmouseover);
PA_FREE(onmouseover);
anchor_data->event_handler_present = TRUE;
}
if (onmouseout) {
(void) lm_CompileEventHandler(decoder, id, tag->data,
tag->newline_count, url->url_object,
PARAM_ONMOUSEOUT, onmouseout);
PA_FREE(onmouseout);
anchor_data->event_handler_present = TRUE;
}
if (onmousedown) {
(void) lm_CompileEventHandler(decoder, id, tag->data,
tag->newline_count, url->url_object,
PARAM_ONMOUSEDOWN, onmousedown);
PA_FREE(onmousedown);
anchor_data->event_handler_present = TRUE;
}
if (onmouseup) {
(void) lm_CompileEventHandler(decoder, id, tag->data,
tag->newline_count, url->url_object,
PARAM_ONMOUSEUP, onmouseup);
PA_FREE(onmouseup);
anchor_data->event_handler_present = TRUE;
}
if (ondblclick) {
(void) lm_CompileEventHandler(decoder, id, tag->data,
tag->newline_count, url->url_object,
PARAM_ONDBLCLICK, ondblclick);
PA_FREE(ondblclick);
anchor_data->event_handler_present = TRUE;
}
if (id)
PA_FREE(id);
LO_LockLayout();
}
return obj;
}