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mirror of https://github.com/rkd77/elinks.git synced 2024-06-12 23:10:51 +00:00

[mujs] addEventListener and removeEventListener in xhr

This commit is contained in:
Witold Filipczyk 2022-11-02 18:22:57 +01:00
parent 515ba5e458
commit aa8e3475e8

View File

@ -106,12 +106,20 @@ struct classcomp {
}
};
struct listener {
LIST_HEAD(struct listener);
char *typ;
char *fun;
};
struct mjs_xhr {
std::map<std::string, std::string> requestHeaders;
std::map<std::string, std::string, classcomp> responseHeaders;
struct download download;
struct ecmascript_interpreter *interpreter;
// JS::RootedObject thisval;
LIST_OF(struct listener) listeners;
const char *thisval;
const char *onabort;
const char *onerror;
@ -174,6 +182,13 @@ mjs_xhr_finalizer(js_State *J, void *data)
if (xhr->ontimeout) js_unref(J, xhr->ontimeout);
if (xhr->thisval) js_unref(J, xhr->thisval);
struct listener *l;
foreach(l, xhr->listeners) {
mem_free_set(&l->typ, NULL);
if (l->fun) js_unref(J, l->fun);
}
free_list(xhr->listeners);
mem_free(xhr);
}
}
@ -225,10 +240,12 @@ mjs_xhr_static_get_property_DONE(js_State *J)
}
static void mjs_xhr_abort(js_State *J);
static void mjs_xhr_addEventListener(js_State *J);
static void mjs_xhr_getAllResponseHeaders(js_State *J);
static void mjs_xhr_getResponseHeader(js_State *J);
static void mjs_xhr_open(js_State *J);
static void mjs_xhr_overrideMimeType(js_State *J);
static void mjs_xhr_removeEventListener(js_State *J);
static void mjs_xhr_send(js_State *J);
static void mjs_xhr_setRequestHeader(js_State *J);
@ -246,6 +263,101 @@ mjs_xhr_abort(js_State *J)
js_pushundefined(J);
}
static void
mjs_xhr_addEventListener(js_State *J)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct mjs_xhr *xhr = (struct mjs_xhr *)js_touserdata(J, 0, "xhr");
if (!xhr) {
js_pushnull(J);
return;
}
const char *str = js_tostring(J, 1);
if (!str) {
js_pushnull(J);
return;
}
char *method = stracpy(str);
if (!method) {
js_pushnull(J);
return;
}
js_copy(J, 2);
const char *fun = js_ref(J);
struct listener *l;
foreach(l, xhr->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(xhr->listeners, n);
}
js_pushundefined(J);
}
static void
mjs_xhr_removeEventListener(js_State *J)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct mjs_xhr *xhr = (struct mjs_xhr *)js_touserdata(J, 0, "xhr");
if (!xhr) {
js_pushnull(J);
return;
}
const char *str = js_tostring(J, 1);
if (!str) {
js_pushnull(J);
return;
}
char *method = stracpy(str);
if (!method) {
js_pushnull(J);
return;
}
js_copy(J, 2);
const char *fun = js_ref(J);
struct listener *l;
foreach(l, xhr->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_xhr_getAllResponseHeaders(js_State *J)
{
@ -425,14 +537,28 @@ onload_run(void *data)
{
struct mjs_xhr *xhr = (struct mjs_xhr *)data;
if (xhr && xhr->onload) {
if (xhr) {
struct ecmascript_interpreter *interpreter = xhr->interpreter;
js_State *J = (js_State *)interpreter->backend_data;
js_getregistry(J, xhr->onload); /* retrieve the js function from the registry */
js_getregistry(J, xhr->thisval);
js_pcall(J, 0);
js_pop(J, 1);
struct listener *l;
foreach(l, xhr->listeners) {
if (strcmp(l->typ, "load")) {
continue;
}
js_getregistry(J, l->fun); /* retrieve the js function from the registry */
js_getregistry(J, xhr->thisval);
js_pcall(J, 0);
js_pop(J, 1);
}
if (xhr->onload) {
js_getregistry(J, xhr->onload); /* retrieve the js function from the registry */
js_getregistry(J, xhr->thisval);
js_pcall(J, 0);
js_pop(J, 1);
}
check_for_rerender(interpreter, "xhr_onload");
}
}
@ -442,14 +568,28 @@ onloadend_run(void *data)
{
struct mjs_xhr *xhr = (struct mjs_xhr *)data;
if (xhr && xhr->onloadend) {
if (xhr) {
struct ecmascript_interpreter *interpreter = xhr->interpreter;
js_State *J = (js_State *)interpreter->backend_data;
js_getregistry(J, xhr->onloadend); /* retrieve the js function from the registry */
js_getregistry(J, xhr->thisval);
js_pcall(J, 0);
js_pop(J, 1);
struct listener *l;
foreach(l, xhr->listeners) {
if (strcmp(l->typ, "loadend")) {
continue;
}
js_getregistry(J, l->fun);
js_getregistry(J, xhr->thisval);
js_pcall(J, 0);
js_pop(J, 1);
}
if (xhr->onloadend) {
js_getregistry(J, xhr->onloadend); /* retrieve the js function from the registry */
js_getregistry(J, xhr->thisval);
js_pcall(J, 0);
js_pop(J, 1);
}
check_for_rerender(interpreter, "xhr_onloadend");
}
}
@ -459,14 +599,28 @@ onreadystatechange_run(void *data)
{
struct mjs_xhr *xhr = (struct mjs_xhr *)data;
if (xhr && xhr->onreadystatechange) {
if (xhr) {
struct ecmascript_interpreter *interpreter = xhr->interpreter;
js_State *J = (js_State *)interpreter->backend_data;
js_getregistry(J, xhr->onreadystatechange); /* retrieve the js function from the registry */
js_getregistry(J, xhr->thisval);
js_pcall(J, 0);
js_pop(J, 1);
struct listener *l;
foreach(l, xhr->listeners) {
if (strcmp(l->typ, "readystatechange")) {
continue;
}
js_getregistry(J, l->fun);
js_getregistry(J, xhr->thisval);
js_pcall(J, 0);
js_pop(J, 1);
}
if (xhr->onreadystatechange) {
js_getregistry(J, xhr->onreadystatechange); /* retrieve the js function from the registry */
js_getregistry(J, xhr->thisval);
js_pcall(J, 0);
js_pop(J, 1);
}
check_for_rerender(interpreter, "xhr_onreadystatechange");
}
}
@ -476,14 +630,28 @@ ontimeout_run(void *data)
{
struct mjs_xhr *xhr = (struct mjs_xhr *)data;
if (xhr && xhr->ontimeout) {
if (xhr) {
struct ecmascript_interpreter *interpreter = xhr->interpreter;
js_State *J = (js_State *)interpreter->backend_data;
js_getregistry(J, xhr->ontimeout); /* retrieve the js function from the registry */
js_getregistry(J, xhr->thisval);
js_pcall(J, 0);
js_pop(J, 1);
struct listener *l;
foreach(l, xhr->listeners) {
if (strcmp(l->typ, "timeout")) {
continue;
}
js_getregistry(J, l->fun);
js_getregistry(J, xhr->thisval);
js_pcall(J, 0);
js_pop(J, 1);
}
if (xhr->ontimeout) {
js_getregistry(J, xhr->ontimeout); /* retrieve the js function from the registry */
js_getregistry(J, xhr->thisval);
js_pcall(J, 0);
js_pop(J, 1);
}
check_for_rerender(interpreter, "xhr_ontimeout");
}
}
@ -1361,16 +1529,19 @@ mjs_xhr_constructor(js_State *J)
}
xhr->interpreter = interpreter;
xhr->async = true;
init_list(xhr->listeners);
js_newobject(J);
{
xhr->thisval = js_ref(J);
js_newuserdata(J, "xhr", xhr, mjs_xhr_finalizer);
addmethod(J, "abort", mjs_xhr_abort, 0);
addmethod(J, "addEventListener", mjs_xhr_addEventListener, 3);
addmethod(J, "getAllResponseHeaders", mjs_xhr_getAllResponseHeaders, 0);
addmethod(J, "getResponseHeader", mjs_xhr_getResponseHeader, 1);
addmethod(J, "open", mjs_xhr_open, 5);
addmethod(J, "overrideMimeType", mjs_xhr_overrideMimeType, 1);
addmethod(J, "removeEventListener", mjs_xhr_addEventListener, 3);
addmethod(J, "send", mjs_xhr_send, 1);
addmethod(J, "setRequestHeader", mjs_xhr_setRequestHeader, 2);