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[quickjs] dispatchEvent

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There is an issue with ecmascript_heartbeat. Commented now.
This commit is contained in:
Witold Filipczyk 2024-05-24 21:34:05 +02:00
parent fadf4f48a9
commit 488dc0a4aa
3 changed files with 146 additions and 15 deletions
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139
src/ecmascript/quickjs/document.c
View File

@ -26,6 +26,7 @@
#include "ecmascript/quickjs/mapa.h"
#include "ecmascript/quickjs.h"
#include "ecmascript/quickjs/collection.h"
#include "ecmascript/quickjs/event.h"
#include "ecmascript/quickjs/form.h"
#include "ecmascript/quickjs/forms.h"
#include "ecmascript/quickjs/implementation.h"
@ -53,9 +54,12 @@ struct js_document_private {
LIST_OF(struct document_listener) listeners;
struct ecmascript_interpreter *interpreter;
JSValue thisval;
dom_event_listener *listener;
void *node;
};
static void document_event_handler(dom_event *event, void *pw);
void *
js_doc_getopaque(JSValueConst obj, JSClassID class_id)
{
@ -966,6 +970,7 @@ js_document_addEventListener(JSContext *ctx, JSValueConst this_val, int argc, JS
if (!doc_private) {
return JS_NULL;
}
dom_document *doc = doc_private->node;
if (argc < 2) {
return JS_UNDEFINED;
@ -985,27 +990,77 @@ js_document_addEventListener(JSContext *ctx, JSValueConst this_val, int argc, JS
}
JSValue fun = argv[1];
struct document_listener *l;
foreach(l, doc_private->listeners) {
if (strcmp(l->typ, method)) {
continue;
}
if (JS_VALUE_GET_PTR(l->fun) == JS_VALUE_GET_PTR(fun)) {
mem_free(method);
struct document_listener *n = (struct document_listener *)mem_calloc(1, sizeof(*n));
if (!n) {
return JS_UNDEFINED;
}
n->fun = fun;
n->typ = method;
add_to_list_end(doc_private->listeners, n);
dom_exception exc;
if (doc_private->listener) {
dom_event_listener_ref(doc_private->listener);
} else {
exc = dom_event_listener_create(document_event_handler, doc_private, &doc_private->listener);
if (exc != DOM_NO_ERR || !doc_private->listener) {
return JS_UNDEFINED;
}
}
struct document_listener *n = (struct document_listener *)mem_calloc(1, sizeof(*n));
dom_string *typ = NULL;
exc = dom_string_create(method, strlen(method), &typ);
if (n) {
n->typ = method;
n->fun = JS_DupValue(ctx, argv[1]);
add_to_list_end(doc_private->listeners, n);
if (exc != DOM_NO_ERR || !typ) {
goto ex;
}
exc = dom_event_target_add_event_listener(doc, typ, doc_private->listener, false);
if (exc == DOM_NO_ERR) {
dom_event_listener_ref(doc_private->listener);
}
ex:
if (typ) {
dom_string_unref(typ);
}
dom_event_listener_unref(doc_private->listener);
return JS_UNDEFINED;
}
static JSValue
js_document_dispatchEvent(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
REF_JS(this_val);
struct js_document_private *doc_private = (struct js_document_private *)(JS_GetOpaque(this_val, js_document_class_id));
if (!doc_private) {
return JS_FALSE;
}
dom_document *doc = doc_private->node;
if (!doc) {
return JS_FALSE;
}
if (argc < 1) {
return JS_FALSE;
}
JSValue eve = argv[0];
dom_event *event = (dom_event *)(JS_GetOpaque(eve, js_event_class_id));
bool result = false;
dom_exception exc = dom_event_target_dispatch_event(doc, event, &result);
return JS_NewBool(ctx, result);
}
static JSValue
js_document_removeEventListener(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
@ -1019,6 +1074,7 @@ js_document_removeEventListener(JSContext *ctx, JSValueConst this_val, int argc,
if (!doc_private) {
return JS_NULL;
}
dom_document *doc = (dom_document *)doc_private->node;
if (argc < 2) {
return JS_UNDEFINED;
@ -1043,19 +1099,30 @@ js_document_removeEventListener(JSContext *ctx, JSValueConst this_val, int argc,
if (strcmp(l->typ, method)) {
continue;
}
if (JS_VALUE_GET_PTR(l->fun) == JS_VALUE_GET_PTR(fun)) {
dom_string *typ = NULL;
dom_exception exc = dom_string_create(method, strlen(method), &typ);
if (exc != DOM_NO_ERR || !typ) {
continue;
}
dom_event_target_remove_event_listener(doc, typ, doc_private->listener, false);
dom_string_unref(typ);
del_from_list(l);
mem_free_set(&l->typ, NULL);
mem_free(l);
mem_free(method);
return JS_UNDEFINED;
}
}
mem_free(method);
return JS_UNDEFINED;
}
static JSValue
js_document_createComment(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
@ -1629,6 +1696,7 @@ static const JSCFunctionListEntry js_document_proto_funcs[] = {
JS_CFUNC_DEF("createDocumentFragment", 0, js_document_createDocumentFragment),
JS_CFUNC_DEF("createElement", 1, js_document_createElement),
JS_CFUNC_DEF("createTextNode", 1, js_document_createTextNode),
JS_CFUNC_DEF("dispatchEvent", 1, js_document_dispatchEvent),
JS_CFUNC_DEF("write", 1, js_document_write),
JS_CFUNC_DEF("writeln", 1, js_document_writeln),
JS_CFUNC_DEF("removeEventListener", 3, js_document_removeEventListener),
@ -1653,6 +1721,10 @@ js_document_finalizer(JSRuntime *rt, JSValue val)
if (doc_private) {
struct document_listener *l;
if (doc_private->listener) {
dom_event_listener_unref(doc_private->listener);
}
foreach(l, doc_private->listeners) {
mem_free_set(&l->typ, NULL);
}
@ -1801,3 +1873,44 @@ getDocument(JSContext *ctx, void *doc)
RETURN_JS(document_obj);
}
static void
document_event_handler(dom_event *event, void *pw)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct js_document_private *doc_private = (struct js_document_private *)pw;
struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)doc_private->interpreter;
JSContext *ctx = (JSContext *)interpreter->backend_data;
dom_document *doc = (dom_document *)doc_private->node;
if (!event) {
return;
}
dom_string *typ = NULL;
dom_exception exc = dom_event_get_type(event, &typ);
if (exc != DOM_NO_ERR || !typ) {
return;
}
// interpreter->heartbeat = add_heartbeat(interpreter);
struct document_listener *l;
foreach(l, doc_private->listeners) {
if (strcmp(l->typ, dom_string_data(typ))) {
continue;
}
JSValue func = JS_DupValue(ctx, l->fun);
JSValue arg = getEvent(ctx, event);
JSValue ret = JS_Call(ctx, func, doc_private->thisval, 1, (JSValueConst *) &arg);
JS_FreeValue(ctx, ret);
JS_FreeValue(ctx, func);
JS_FreeValue(ctx, arg);
}
// done_heartbeat(interpreter->heartbeat);
check_for_rerender(interpreter, dom_string_data(typ));
dom_string_unref(typ);
}

19
src/ecmascript/quickjs/event.c
View File

@ -20,7 +20,7 @@
#define countof(x) (sizeof(x) / sizeof((x)[0]))
static JSClassID js_event_class_id;
JSClassID js_event_class_id;
static JSValue js_event_get_property_bubbles(JSContext *ctx, JSValueConst this_val);
static JSValue js_event_get_property_cancelable(JSContext *ctx, JSValueConst this_val);
@ -315,3 +315,20 @@ js_event_init(JSContext *ctx)
return 0;
}
JSValue
getEvent(JSContext *ctx, void *eve)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
JSValue obj = JS_NewObjectClass(ctx, js_event_class_id);
REF_JS(obj);
dom_event *event = (dom_event *)eve;
dom_event_ref(event);
JS_SetOpaque(obj, event);
JSValue r = obj;
RETURN_JS(r);
}

3
src/ecmascript/quickjs/event.h
View File

@ -8,7 +8,8 @@ extern "C" {
#endif
int js_event_init(JSContext *ctx);
//JSValue get_keyboardEvent(JSContext *ctx);
JSValue getEvent(JSContext *ctx, void *eve);
extern JSClassID js_event_class_id;
#ifdef __cplusplus
}