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[quickjs] messageEvent

Code was not tested at all.
This commit is contained in:
Witold Filipczyk 2022-12-22 18:40:58 +01:00
parent f5ada6b75b
commit f35a4f8fab
5 changed files with 495 additions and 2 deletions

View File

@ -3,6 +3,6 @@ include $(top_builddir)/Makefile.config
OBJS = attr.obj attributes.obj collection.obj console.obj document.obj element.obj form.obj \
forms.obj heartbeat.obj history.obj implementation.obj input.obj keyboard.obj location.obj \
localstorage.obj navigator.obj nodelist.obj screen.obj unibar.obj window.obj xhr.obj
localstorage.obj message.obj navigator.obj nodelist.obj screen.obj unibar.obj window.obj xhr.obj
include $(top_srcdir)/Makefile.lib

View File

@ -1,2 +1,2 @@
srcs += files('attr.cpp', 'attributes.cpp', 'collection.cpp', 'console.cpp', 'document.cpp', 'element.cpp', 'form.cpp', 'forms.cpp', 'heartbeat.cpp', 'history.cpp', 'implementation.cpp',
'input.cpp', 'keyboard.cpp', 'localstorage.cpp', 'location.cpp', 'navigator.cpp', 'nodelist.cpp', 'screen.cpp', 'unibar.cpp', 'window.cpp', 'xhr.cpp')
'input.cpp', 'keyboard.cpp', 'localstorage.cpp', 'location.cpp', 'message.cpp', 'navigator.cpp', 'nodelist.cpp', 'screen.cpp', 'unibar.cpp', 'window.cpp', 'xhr.cpp')

View File

@ -0,0 +1,240 @@
/* The QuickJS MessageEvent object implementation. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "elinks.h"
#include "bfu/dialog.h"
#include "cache/cache.h"
#include "cookies/cookies.h"
#include "dialogs/menu.h"
#include "dialogs/status.h"
#include "document/html/frames.h"
#include "document/document.h"
#include "document/forms.h"
#include "document/view.h"
#include "ecmascript/ecmascript.h"
#include "ecmascript/quickjs.h"
#include "ecmascript/quickjs/heartbeat.h"
#include "ecmascript/quickjs/message.h"
#include "ecmascript/timer.h"
#include "intl/libintl.h"
#include "main/select.h"
#include "main/timer.h"
#include "network/connection.h"
#include "osdep/newwin.h"
#include "osdep/sysname.h"
#include "protocol/http/http.h"
#include "protocol/uri.h"
#include "session/download.h"
#include "session/history.h"
#include "session/location.h"
#include "session/session.h"
#include "session/task.h"
#include "terminal/tab.h"
#include "terminal/terminal.h"
#include "util/conv.h"
#include "util/memory.h"
#include "util/string.h"
#include "viewer/text/draw.h"
#include "viewer/text/form.h"
#include "viewer/text/link.h"
#include "viewer/text/vs.h"
#include <iostream>
#include <list>
#include <map>
#include <utility>
#include <sstream>
#include <vector>
#define countof(x) (sizeof(x) / sizeof((x)[0]))
static JSClassID js_messageEvent_class_id;
static JSValue js_messageEvent_get_property_data(JSContext *cx, JSValueConst this_val);
static JSValue js_messageEvent_get_property_lastEventId(JSContext *cx, JSValueConst this_val);
static JSValue js_messageEvent_get_property_origin(JSContext *cx, JSValueConst this_val);
static JSValue js_messageEvent_get_property_source(JSContext *cx, JSValueConst this_val);
struct message_event {
char *data;
char *lastEventId;
char *origin;
char *source;
};
static
void js_messageEvent_finalizer(JSRuntime *rt, JSValue val)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct message_event *event = (struct message_event *)JS_GetOpaque(val, js_messageEvent_class_id);
if (event) {
mem_free_if(event->data);
mem_free_if(event->lastEventId);
mem_free_if(event->origin);
mem_free_if(event->source);
mem_free(event);
}
}
static JSClassDef js_messageEvent_class = {
"MessageEvent",
js_messageEvent_finalizer
};
static JSValue
js_messageEvent_ctor(JSContext *ctx, JSValueConst new_target, int argc, JSValueConst *argv)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
JSValue obj = JS_UNDEFINED;
JSValue proto;
struct message_event *event = (struct message_event *)mem_calloc(1, sizeof(*event));
if (!event) {
return JS_EXCEPTION;
}
/* using new_target to get the prototype is necessary when the
class is extended. */
proto = JS_GetPropertyStr(ctx, new_target, "prototype");
if (JS_IsException(proto)) {
goto fail;
}
obj = JS_NewObjectProtoClass(ctx, proto, js_messageEvent_class_id);
JS_FreeValue(ctx, proto);
if (JS_IsException(obj)) {
goto fail;
}
JS_SetOpaque(obj, event);
RETURN_JS(obj);
fail:
JS_FreeValue(ctx, obj);
mem_free(event);
return JS_EXCEPTION;
}
static const JSCFunctionListEntry js_messageEvent_proto_funcs[] = {
JS_CGETSET_DEF("data", js_messageEvent_get_property_data, nullptr),
JS_CGETSET_DEF("lastEventId", js_messageEvent_get_property_lastEventId, nullptr),
JS_CGETSET_DEF("origin", js_messageEvent_get_property_origin, nullptr),
JS_CGETSET_DEF("source", js_messageEvent_get_property_source, nullptr)
};
static JSValue
js_messageEvent_get_property_data(JSContext *ctx, JSValueConst this_val)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct message_event *event = static_cast<struct message_event *>(JS_GetOpaque(this_val, js_messageEvent_class_id));
if (!event || !event->data) {
return JS_NULL;
}
JSValue r = JS_NewString(ctx, event->data);
RETURN_JS(r);
}
static JSValue
js_messageEvent_get_property_lastEventId(JSContext *ctx, JSValueConst this_val)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct message_event *event = static_cast<struct message_event *>(JS_GetOpaque(this_val, js_messageEvent_class_id));
if (!event || !event->lastEventId) {
return JS_NULL;
}
JSValue r = JS_NewString(ctx, event->lastEventId);
RETURN_JS(r);
}
static JSValue
js_messageEvent_get_property_origin(JSContext *ctx, JSValueConst this_val)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct message_event *event = static_cast<struct message_event *>(JS_GetOpaque(this_val, js_messageEvent_class_id));
if (!event || !event->origin) {
return JS_NULL;
}
JSValue r = JS_NewString(ctx, event->origin);
RETURN_JS(r);
}
static JSValue
js_messageEvent_get_property_source(JSContext *ctx, JSValueConst this_val)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct message_event *event = static_cast<struct message_event *>(JS_GetOpaque(this_val, js_messageEvent_class_id));
if (!event || !event->source) {
return JS_NULL;
}
JSValue r = JS_NewString(ctx, event->source);
RETURN_JS(r);
}
static int lastEventId;
JSValue
get_messageEvent(JSContext *ctx, char *data, char *origin, char *source)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
static int initialized;
/* create the element class */
if (!initialized) {
JS_NewClassID(&js_messageEvent_class_id);
JS_NewClass(JS_GetRuntime(ctx), js_messageEvent_class_id, &js_messageEvent_class);
initialized = 1;
}
struct message_event *event = (struct message_event *)mem_calloc(1, sizeof(*event));
if (!event) {
return JS_NULL;
}
event->data = null_or_stracpy(data);
event->origin = null_or_stracpy(origin);
event->source = null_or_stracpy(source);
char id[32];
snprintf(id, "%d", 31, ++lastEventId);
event->lastEventId = stracpy(id);
JSValue event_obj = JS_NewObjectClass(ctx, js_messageEvent_class_id);
JS_SetPropertyFunctionList(ctx, event_obj, js_messageEvent_proto_funcs, countof(js_messageEvent_proto_funcs));
JS_SetClassProto(ctx, js_messageEvent_class_id, event_obj);
JS_SetOpaque(event_obj, event);
JSValue rr = JS_DupValue(ctx, event_obj);
RETURN_JS(rr);
}

View File

@ -0,0 +1,8 @@
#ifndef EL__ECMASCRIPT_QUICKJS_MESSAGE_H
#define EL__ECMASCRIPT_QUICKJS_MESSAGE_H
#include <quickjs/quickjs.h>
JSValue get_messageEvent(JSContext *ctx, char *data, char *origin, char *source);
#endif

View File

@ -21,6 +21,8 @@
#include "document/view.h"
#include "ecmascript/ecmascript.h"
#include "ecmascript/quickjs.h"
#include "ecmascript/quickjs/heartbeat.h"
#include "ecmascript/quickjs/message.h"
#include "ecmascript/quickjs/window.h"
#include "ecmascript/timer.h"
#include "intl/libintl.h"
@ -48,6 +50,43 @@
static JSClassID js_window_class_id;
struct listener {
LIST_HEAD(struct listener);
char *typ;
JSValue fun;
};
struct el_window {
struct ecmascript_interpreter *interpreter;
JSValue thisval;
LIST_OF(struct listener) listeners;
JSValue onmessage;
};
struct el_message {
JSValue messageObject;
struct el_window *elwin;
};
static void
js_window_finalize(JSRuntime *rt, JSValue val)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct el_window *elwin = (struct el_window *)JS_GetOpaque(val, js_window_class_id);
if (elwin) {
struct listener *l;
foreach(l, elwin->listeners) {
mem_free_set(&l->typ, NULL);
}
free_list(elwin->listeners);
mem_free(elwin);
}
}
/* @window_funcs{"open"} */
JSValue
js_window_open(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
@ -422,6 +461,208 @@ js_window_toString(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst
return JS_NewString(ctx, "[window object]");
}
static JSValue
js_window_addEventListener(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx);
struct el_window *elwin = (struct el_window *)(JS_GetOpaque(this_val, js_window_class_id));
if (!elwin) {
elwin = (struct el_window *)mem_calloc(1, sizeof(*elwin));
if (!elwin) {
return JS_EXCEPTION;
}
init_list(elwin->listeners);
elwin->interpreter = interpreter;
elwin->thisval = JS_DupValue(ctx, this_val);
JS_SetOpaque(this_val, elwin);
}
if (argc < 2) {
return JS_UNDEFINED;
}
const char *str;
size_t len;
str = JS_ToCStringLen(ctx, &len, argv[0]);
if (!str) {
return JS_EXCEPTION;
}
char *method = stracpy(str);
JS_FreeCString(ctx, str);
if (!method) {
return JS_EXCEPTION;
}
JSValue fun = argv[1];
struct listener *l;
foreach(l, elwin->listeners) {
if (strcmp(l->typ, method)) {
continue;
}
if (JS_VALUE_GET_PTR(l->fun) == JS_VALUE_GET_PTR(fun)) {
mem_free(method);
return JS_UNDEFINED;
}
}
struct listener *n = (struct listener *)mem_calloc(1, sizeof(*n));
if (n) {
n->typ = method;
n->fun = JS_DupValue(ctx, argv[1]);
add_to_list_end(elwin->listeners, n);
}
return JS_UNDEFINED;
}
static JSValue
js_window_removeEventListener(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx);
struct el_window *elwin = (struct el_window *)(JS_GetOpaque(this_val, js_window_class_id));
if (!elwin) {
return JS_NULL;
}
if (argc < 2) {
return JS_UNDEFINED;
}
const char *str;
size_t len;
str = JS_ToCStringLen(ctx, &len, argv[0]);
if (!str) {
return JS_EXCEPTION;
}
char *method = stracpy(str);
JS_FreeCString(ctx, str);
if (!method) {
return JS_EXCEPTION;
}
JSValue fun = argv[1];
struct listener *l;
foreach(l, elwin->listeners) {
if (strcmp(l->typ, method)) {
continue;
}
if (JS_VALUE_GET_PTR(l->fun) == JS_VALUE_GET_PTR(fun)) {
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 void
onmessage_run(void *data)
{
struct el_message *mess = (struct el_message *)data;
if (mess) {
struct el_window *elwin = mess->elwin;
if (!elwin) {
mem_free(mess);
return;
}
struct ecmascript_interpreter *interpreter = elwin->interpreter;
JSContext *ctx = (JSContext *)interpreter->backend_data;
interpreter->heartbeat = add_heartbeat(interpreter);
struct listener *l;
foreach(l, elwin->listeners) {
if (strcmp(l->typ, "message")) {
continue;
}
JSValue func = JS_DupValue(ctx, l->fun);
JSValue arg = JS_DupValue(ctx, mess->messageObject);
JSValue ret = JS_Call(ctx, func, elwin->thisval, 1, (JSValueConst *) &arg);
JS_FreeValue(ctx, ret);
JS_FreeValue(ctx, func);
JS_FreeValue(ctx, arg);
}
if (JS_IsFunction(ctx, elwin->onmessage)) {
JSValue func = JS_DupValue(ctx, elwin->onmessage);
JSValue arg = JS_DupValue(ctx, mess->messageObject);
JSValue ret = JS_Call(ctx, func, elwin->thisval, 1, (JSValueConst *) &arg);
JS_FreeValue(ctx, ret);
JS_FreeValue(ctx, func);
JS_FreeValue(ctx, arg);
}
done_heartbeat(interpreter->heartbeat);
check_for_rerender(interpreter, "window_message");
}
}
static JSValue
js_window_postMessage(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx);
struct el_window *elwin = (struct el_window *)(JS_GetOpaque(this_val, js_window_class_id));
if (argc < 2) {
return JS_UNDEFINED;
}
const char *str;
size_t len;
str = JS_ToCStringLen(ctx, &len, argv[0]);
if (!str) {
return JS_EXCEPTION;
}
char *data = stracpy(str);
JS_FreeCString(ctx, str);
str = JS_ToCStringLen(ctx, &len, argv[1]);
if (!str) {
mem_free_if(data);
return JS_EXCEPTION;
}
char *targetOrigin = stracpy(str);
JS_FreeCString(ctx, str);
char *source = stracpy("TODO");
JSValue val = get_messageEvent(ctx, data, targetOrigin, source);
mem_free_if(data);
mem_free_if(targetOrigin);
mem_free_if(source);
if (JS_IsNull(val) || !elwin) {
return JS_UNDEFINED;
}
struct el_message *mess = (struct el_message *)mem_calloc(1, sizeof(*mess));
if (!mess) {
return JS_EXCEPTION;
}
mess->messageObject = JS_DupValue(ctx, val);
mess->elwin = elwin;
register_bottom_half(onmessage_run, mess);
return JS_UNDEFINED;
}
static const JSCFunctionListEntry js_window_proto_funcs[] = {
JS_CGETSET_DEF("closed", js_window_get_property_closed, nullptr),
JS_CGETSET_DEF("parent", js_window_get_property_parent, nullptr),
@ -429,15 +670,19 @@ static const JSCFunctionListEntry js_window_proto_funcs[] = {
JS_CGETSET_DEF("status", js_window_get_property_status, js_window_set_property_status),
JS_CGETSET_DEF("top", js_window_get_property_top, nullptr),
JS_CGETSET_DEF("window", js_window_get_property_self, nullptr),
JS_CFUNC_DEF("addEventListener", js_window_addEventListener, 3),
JS_CFUNC_DEF("alert", 1, js_window_alert),
JS_CFUNC_DEF("clearTimeout", 1, js_window_clearTimeout),
JS_CFUNC_DEF("open", 3, js_window_open),
JS_CFUNC_DEF("postMessage", js_window_postMessage, 3),
JS_CFUNC_DEF("removeEventListener", js_window_removeEventListener, 3),
JS_CFUNC_DEF("setTimeout", 2, js_window_setTimeout),
JS_CFUNC_DEF("toString", 0, js_window_toString)
};
static JSClassDef js_window_class = {
"window",
js_window_finalize
};
int