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[mujs] document.addEventListener

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This commit is contained in:
Witold Filipczyk 2024-03-04 21:21:31 +01:00
parent c231b31ac0
commit b5b09f1ba1
1 changed files with 159 additions and 0 deletions
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159
src/ecmascript/mujs/document.c
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@ -62,6 +62,34 @@
//static xmlpp::Document emptyDoc;
struct listener {
LIST_HEAD_EL(struct listener);
char *typ;
const char *fun;
};
struct mjs_document_private {
struct ecmascript_interpreter *interpreter;
const char *thisval;
LIST_OF(struct listener) listeners;
void *node;
int ref_count;
};
#if 0
void *
mjs_getprivate(js_State *J, int idx)
{
struct mjs_document_private *priv = (struct mjs_document_private *)js_touserdata(J, idx, "docprivate");
if (!priv) {
return NULL;
}
return priv->node;
}
#endif
static void mjs_push_doctype(js_State *J, void *node);
static void
@ -895,6 +923,101 @@ mjs_document_replace(js_State *J)
js_pushundefined(J);
}
static void
mjs_document_addEventListener(js_State *J)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct mjs_document_private *doc_private = (struct mjs_document_private *)js_touserdata(J, 0, "docprivate");
if (!doc_private) {
js_pushnull(J);
return;
}
const char *str = js_tostring(J, 1);
if (!str) {
js_error(J, "out of memory");
return;
}
char *method = stracpy(str);
if (!method) {
js_error(J, "out of memory");
return;
}
js_copy(J, 2);
const char *fun = js_ref(J);
struct listener *l;
foreach(l, doc_private->listeners) {
if (strcmp(l->typ, method)) {
continue;
}
if (!strcmp(l->fun, fun)) {
mem_free(method);
js_pushundefined(J);
return;
}
}
struct listener *n = (struct listener *)mem_calloc(1, sizeof(*n));
if (n) {
n->typ = method;
n->fun = fun;
add_to_list_end(doc_private->listeners, n);
}
js_pushundefined(J);
}
static void
mjs_document_removeEventListener(js_State *J)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct mjs_document_private *doc_private = (struct mjs_document_private *)js_touserdata(J, 0, "docprivate");
if (!doc_private) {
js_pushnull(J);
return;
}
const char *str = js_tostring(J, 1);
if (!str) {
js_error(J, "!str");
return;
}
char *method = stracpy(str);
if (!method) {
js_error(J, "out of memory");
return;
}
js_copy(J, 2);
const char *fun = js_ref(J);
struct listener *l;
foreach(l, doc_private->listeners) {
if (strcmp(l->typ, method)) {
continue;
}
if (!strcmp(l->fun, fun)) {
del_from_list(l);
mem_free_set(&l->typ, NULL);
if (l->fun) js_unref(J, l->fun);
mem_free(l);
mem_free(method);
js_pushundefined(J);
return;
}
}
mem_free(method);
js_pushundefined(J);
}
static void
mjs_document_createComment(js_State *J)
{
@ -1372,6 +1495,7 @@ mjs_document_init(js_State *J)
{
js_newobject(J);
{
addmethod(J, "addEventListener", mjs_document_addEventListener, 3);
addmethod(J, "createComment", mjs_document_createComment, 1);
addmethod(J, "createDocumentFragment",mjs_document_createDocumentFragment, 0);
addmethod(J, "createElement", mjs_document_createElement, 1);
@ -1385,6 +1509,7 @@ mjs_document_init(js_State *J)
addmethod(J, "getElementsByTagName", mjs_document_getElementsByTagName, 1);
addmethod(J, "querySelector", mjs_document_querySelector, 1);
addmethod(J, "querySelectorAll", mjs_document_querySelectorAll, 1);
addmethod(J, "removeEventListener", mjs_document_removeEventListener, 3);
addmethod(J, "toString", mjs_document_toString, 0);
addproperty(J, "anchors", mjs_document_get_property_anchors, NULL);
@ -1454,6 +1579,27 @@ mjs_push_doctype(js_State *J, void *node)
attr_save_in_map(map_doctypes, node, node);
}
static void
mjs_doc_private_finalizer(js_State *J, void *priv)
{
struct mjs_document_private *doc_private = (struct mjs_document_private *)priv;
if (doc_private) {
struct listener *l;
foreach(l, doc_private->listeners) {
mem_free_set(&l->typ, NULL);
if (l->fun) js_unref(J, l->fun);
}
free_list(doc_private->listeners);
//dom_node_unref(doc_private->node);
if (doc_private->thisval) {
js_unref(J, doc_private->thisval);
}
mem_free(doc_private);
}
}
void
mjs_push_document(js_State *J, void *doc)
{
@ -1462,4 +1608,17 @@ mjs_push_document(js_State *J, void *doc)
#endif
mjs_document_init(J);
js_newuserdata(J, "document", doc, NULL);
struct mjs_document_private *doc_private = (struct mjs_document_private *)mem_calloc(1, sizeof(*doc_private));
if (!doc_private) {
return;
}
init_list(doc_private->listeners);
struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)js_getcontext(J);
doc_private->interpreter = interpreter;
doc_private->node = doc;
doc_private->ref_count = 1;
doc_private->thisval = js_ref(J);
js_newuserdata(J, "docprivate", doc_private, mjs_doc_private_finalizer);
}