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[spidermonkey] element.offsetTop

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This commit is contained in:
Witold Filipczyk 2024-01-27 15:23:09 +01:00
parent 7bccb89efb
commit 317737fa34
1 changed files with 96 additions and 0 deletions
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96
src/ecmascript/spidermonkey/element.cpp
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@ -94,6 +94,7 @@ static bool element_get_property_nodeType(JSContext *ctx, unsigned int argc, JS:
static bool element_get_property_nodeValue(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_get_property_offsetLeft(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_get_property_offsetParent(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_get_property_offsetTop(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_get_property_outerHtml(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_set_property_outerHtml(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_get_property_ownerDocument(JSContext *ctx, unsigned int argc, JS::Value *vp);
@ -174,6 +175,7 @@ JSPropertySpec element_props[] = {
JS_PSG("nodeValue", element_get_property_nodeValue, JSPROP_ENUMERATE),
JS_PSG("offsetLeft", element_get_property_offsetLeft, JSPROP_ENUMERATE),
JS_PSG("offsetParent", element_get_property_offsetParent, JSPROP_ENUMERATE),
JS_PSG("offsetTop", element_get_property_offsetTop, JSPROP_ENUMERATE),
JS_PSGS("outerHTML", element_get_property_outerHtml, element_set_property_outerHtml, JSPROP_ENUMERATE),
JS_PSG("ownerDocument", element_get_property_ownerDocument, JSPROP_ENUMERATE),
JS_PSG("parentElement", element_get_property_parentElement, JSPROP_ENUMERATE),
@ -1713,6 +1715,100 @@ element_get_property_offsetParent(JSContext *ctx, unsigned int argc, JS::Value *
return true;
}
static bool
element_get_property_offsetTop(JSContext *ctx, unsigned int argc, JS::Value *vp)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
JS::CallArgs args = CallArgsFromVp(argc, vp);
JS::RootedObject hobj(ctx, &args.thisv().toObject());
struct view_state *vs;
JS::Realm *comp = js::GetContextRealm(ctx);
if (!comp) {
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
#endif
return false;
}
struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS::GetRealmPrivate(comp);
/* This can be called if @obj if not itself an instance of the
* appropriate class but has one in its prototype chain. Fail
* such calls. */
if (!JS_InstanceOf(ctx, hobj, &element_class, NULL)) {
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
#endif
return false;
}
vs = interpreter->vs;
if (!vs) {
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
#endif
return false;
}
dom_node *el = (dom_node *)JS::GetMaybePtrFromReservedSlot<dom_node>(hobj, 0);
if (!el) {
args.rval().setNull();
return true;
}
struct document_view *doc_view = vs->doc_view;
struct document *document = doc_view->document;
struct session *ses;
if (!document) {
args.rval().setInt32(0);
return true;
}
int offset = find_offset(document->element_map_rev, el);
if (offset <= 0) {
args.rval().setInt32(0);
return true;
}
struct node_rect *rect = get_element_rect(document, offset);
if (!rect) {
args.rval().setInt32(0);
return true;
}
ses = doc_view->session;
if (!ses) {
args.rval().setInt32(0);
return true;
}
dom_node *node = NULL;
dom_exception exc = dom_node_get_parent_node(el, &node);
if (exc != DOM_NO_ERR || !node) {
args.rval().setInt32(0);
return true;
}
int offset_parent = find_offset(document->element_map_rev, node);
if (offset_parent <= 0) {
args.rval().setInt32(0);
return true;
}
struct node_rect *rect_parent = get_element_rect(document, offset_parent);
if (!rect_parent) {
args.rval().setInt32(0);
return true;
}
int dy = int_max(0, (rect->y0 - rect_parent->y0) * ses->tab->term->cell_height);
dom_node_unref(node);
args.rval().setInt32(dy);
return true;
}
static bool
element_get_property_ownerDocument(JSContext *ctx, unsigned int argc, JS::Value *vp)