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[spidermonkey] event.preventDefault

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This commit is contained in:
Witold Filipczyk 2024-03-10 18:00:51 +01:00
parent 0da45fcfd0
commit 3ccb7e664b
3 changed files with 38 additions and 1 deletions
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2
src/ecmascript/spidermonkey.cpp
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@ -289,7 +289,7 @@ spidermonkey_get_interpreter(struct ecmascript_interpreter *interpreter)
event_obj = spidermonkey_InitClass(ctx, global, NULL,
&event_class, event_constructor, 0,
event_props,
NULL,
event_funcs,
NULL, NULL, "Event");
if (!event_obj) {

36
src/ecmascript/spidermonkey/event.cpp
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@ -72,6 +72,8 @@ static bool event_get_property_composed(JSContext *ctx, unsigned int argc, JS::V
static bool event_get_property_defaultPrevented(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool event_get_property_type(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool event_preventDefault(JSContext *ctx, unsigned int argc, JS::Value *vp);
static void
event_finalize(JS::GCContext *op, JSObject *event_obj)
{
@ -150,6 +152,11 @@ JSPropertySpec event_props[] = {
JS_PS_END
};
const spidermonkeyFunctionSpec event_funcs[] = {
{ "preventDefault", event_preventDefault, 0 },
{ NULL }
};
static bool
event_get_property_bubbles(JSContext *ctx, unsigned int argc, JS::Value *vp)
{
@ -254,6 +261,35 @@ event_get_property_defaultPrevented(JSContext *ctx, unsigned int argc, JS::Value
return true;
}
static bool
event_preventDefault(JSContext *ctx, unsigned int argc, JS::Value *vp)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
JS::RootedObject hobj(ctx, &args.thisv().toObject());
JS::Realm *comp = js::GetContextRealm(ctx);
if (!comp) {
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
#endif
return false;
}
struct eljs_event *event = JS::GetMaybePtrFromReservedSlot<struct eljs_event>(hobj, 0);
if (!event) {
return false;
}
if (event->cancelable) {
event->defaultPrevented = 1;
}
args.rval().setUndefined();
return true;
}
static bool
event_get_property_type(JSContext *ctx, unsigned int argc, JS::Value *vp)
{

1
src/ecmascript/spidermonkey/event.h
View File

@ -5,6 +5,7 @@
extern JSClass event_class;
extern JSPropertySpec event_props[];
extern const spidermonkeyFunctionSpec event_funcs[];
bool event_constructor(JSContext* ctx, unsigned argc, JS::Value* vp);
#endif