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mirror of https://github.com/rkd77/elinks.git synced 2024-06-14 23:32:27 +00:00

[spidermonkey] Added code for xhr event listeners

This commit is contained in:
Witold Filipczyk 2022-11-01 22:21:10 +01:00
parent feca5c4b80
commit 84c9a86ab3

View File

@ -52,7 +52,9 @@
#include "viewer/text/vs.h"
#include <iostream>
#include <list>
#include <map>
#include <utility>
#include <sstream>
#include <vector>
@ -104,6 +106,13 @@ enum {
POST = 3
};
struct listener {
LIST_HEAD(struct listener);
char *typ;
JS::RootedValue fun;
};
struct classcomp {
bool operator() (const std::string& lhs, const std::string& rhs) const
{
@ -117,6 +126,9 @@ struct xhr {
struct download download;
struct ecmascript_interpreter *interpreter;
JS::RootedObject thisval;
LIST_OF(struct listener) listeners;
JS::RootedValue onabort;
JS::RootedValue onerror;
JS::RootedValue onload;
@ -167,6 +179,13 @@ xhr_finalize(JS::GCContext *op, JSObject *xhr_obj)
mem_free_if(xhr->upload);
xhr->responseHeaders.clear();
xhr->requestHeaders.clear();
struct listener *l;
foreach(l, xhr->listeners) {
mem_free_set(&l->typ, NULL);
}
free_list(xhr->listeners);
mem_free(xhr);
JS::SetReservedSlot(xhr_obj, 0, JS::UndefinedValue());
@ -214,6 +233,7 @@ xhr_constructor(JSContext* ctx, unsigned argc, JS::Value* vp)
return false;
}
struct xhr *xhr = (struct xhr *)mem_calloc(1, sizeof(*xhr));
init_list(xhr->listeners);
xhr->interpreter = interpreter;
xhr->thisval = newObj;
xhr->async = true;
@ -316,19 +336,23 @@ JSPropertySpec xhr_static_props[] = {
};
static bool xhr_abort(JSContext *ctx, unsigned int argc, JS::Value *rval);
static bool xhr_addEventListener(JSContext *ctx, unsigned int argc, JS::Value *rval);
static bool xhr_getAllResponseHeaders(JSContext *ctx, unsigned int argc, JS::Value *rval);
static bool xhr_getResponseHeader(JSContext *ctx, unsigned int argc, JS::Value *rval);
static bool xhr_open(JSContext *ctx, unsigned int argc, JS::Value *rval);
static bool xhr_overrideMimeType(JSContext *ctx, unsigned int argc, JS::Value *rval);
static bool xhr_removeEventListener(JSContext *ctx, unsigned int argc, JS::Value *rval);
static bool xhr_send(JSContext *ctx, unsigned int argc, JS::Value *rval);
static bool xhr_setRequestHeader(JSContext *ctx, unsigned int argc, JS::Value *rval);
const spidermonkeyFunctionSpec xhr_funcs[] = {
{ "abort", xhr_abort, 0 },
{ "addEventListener", xhr_addEventListener, 3 },
{ "getAllResponseHeaders", xhr_getAllResponseHeaders, 0 },
{ "getResponseHeader", xhr_getResponseHeader, 1 },
{ "open", xhr_open, 5 },
{ "overrideMimeType", xhr_overrideMimeType, 1 },
{ "removeEventListener", xhr_removeEventListener, 3 },
{ "send", xhr_send, 1 },
{ "setRequestHeader", xhr_setRequestHeader, 2 },
{ NULL }
@ -361,6 +385,105 @@ xhr_abort(JSContext *ctx, unsigned int argc, JS::Value *rval)
return true;
}
static bool
xhr_addEventListener(JSContext *ctx, unsigned int argc, JS::Value *rval)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
JS::CallArgs args = JS::CallArgsFromVp(argc, rval);
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 ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS::GetRealmPrivate(comp);
struct xhr *xhr = JS::GetMaybePtrFromReservedSlot<struct xhr>(hobj, 0);
if (argc < 2) {
args.rval().setUndefined();
return true;
}
char *method = jsval_to_string(ctx, args[0]);
JS::RootedValue fun(ctx, args[1]);
struct listener *l;
foreach(l, xhr->listeners) {
if (strcmp(l->typ, method)) {
continue;
}
if (l->fun == fun) {
args.rval().setUndefined();
mem_free(method);
return true;
}
}
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);
}
args.rval().setUndefined();
return true;
}
static bool
xhr_removeEventListener(JSContext *ctx, unsigned int argc, JS::Value *rval)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
JS::CallArgs args = JS::CallArgsFromVp(argc, rval);
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 ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS::GetRealmPrivate(comp);
struct xhr *xhr = JS::GetMaybePtrFromReservedSlot<struct xhr>(hobj, 0);
if (argc < 2) {
args.rval().setUndefined();
return true;
}
char *method = jsval_to_string(ctx, args[0]);
if (!method) {
return false;
}
JS::RootedValue fun(ctx, args[1]);
struct listener *l;
foreach(l, xhr->listeners) {
if (strcmp(l->typ, method)) {
continue;
}
if (l->fun == fun) {
del_from_list(l);
mem_free_set(&l->typ, NULL);
mem_free(l);
mem_free(method);
args.rval().setUndefined();
return true;
}
}
mem_free(method);
args.rval().setUndefined();
return true;
}
static bool
xhr_getAllResponseHeaders(JSContext *ctx, unsigned int argc, JS::Value *rval)
{
@ -597,6 +720,15 @@ onload_run(void *data)
JS::Realm *comp = JS::EnterRealm(ctx, (JSObject *)interpreter->ac);
JS::RootedValue r_val(ctx);
interpreter->heartbeat = add_heartbeat(interpreter);
struct listener *l;
foreach(l, xhr->listeners) {
if (strcmp(l->typ, "load")) {
continue;
}
JS_CallFunctionValue(ctx, xhr->thisval, l->fun, JS::HandleValueArray::empty(), &r_val);
}
JS_CallFunctionValue(ctx, xhr->thisval, xhr->onload, JS::HandleValueArray::empty(), &r_val);
done_heartbeat(interpreter->heartbeat);
JS::LeaveRealm(ctx, comp);
@ -616,6 +748,15 @@ onloadend_run(void *data)
JS::Realm *comp = JS::EnterRealm(ctx, (JSObject *)interpreter->ac);
JS::RootedValue r_val(ctx);
interpreter->heartbeat = add_heartbeat(interpreter);
struct listener *l;
foreach(l, xhr->listeners) {
if (strcmp(l->typ, "loadend")) {
continue;
}
JS_CallFunctionValue(ctx, xhr->thisval, l->fun, JS::HandleValueArray::empty(), &r_val);
}
JS_CallFunctionValue(ctx, xhr->thisval, xhr->onloadend, JS::HandleValueArray::empty(), &r_val);
done_heartbeat(interpreter->heartbeat);
JS::LeaveRealm(ctx, comp);
@ -635,6 +776,15 @@ onreadystatechange_run(void *data)
JS::Realm *comp = JS::EnterRealm(ctx, (JSObject *)interpreter->ac);
JS::RootedValue r_val(ctx);
interpreter->heartbeat = add_heartbeat(interpreter);
struct listener *l;
foreach(l, xhr->listeners) {
if (strcmp(l->typ, "readystatechange")) {
continue;
}
JS_CallFunctionValue(ctx, xhr->thisval, l->fun, JS::HandleValueArray::empty(), &r_val);
}
JS_CallFunctionValue(ctx, xhr->thisval, xhr->onreadystatechange, JS::HandleValueArray::empty(), &r_val);
done_heartbeat(interpreter->heartbeat);
JS::LeaveRealm(ctx, comp);
@ -654,6 +804,15 @@ ontimeout_run(void *data)
JS::Realm *comp = JS::EnterRealm(ctx, (JSObject *)interpreter->ac);
JS::RootedValue r_val(ctx);
interpreter->heartbeat = add_heartbeat(interpreter);
struct listener *l;
foreach(l, xhr->listeners) {
if (strcmp(l->typ, "timeout")) {
continue;
}
JS_CallFunctionValue(ctx, xhr->thisval, l->fun, JS::HandleValueArray::empty(), &r_val);
}
JS_CallFunctionValue(ctx, xhr->thisval, xhr->ontimeout, JS::HandleValueArray::empty(), &r_val);
done_heartbeat(interpreter->heartbeat);
JS::LeaveRealm(ctx, comp);