[spidermonkey] DOMRect

src/ecmascript/spidermonkey/Makefile

@@ -2,7 +2,7 @@ top_builddir=../../..
 include $(top_builddir)/Makefile.config
 INCLUDES += $(SPIDERMONKEY_CFLAGS)
 
-OBJS = attr.obj attributes.obj collection.obj console.obj css.obj customevent.obj document.obj element.obj event.obj form.obj forms.obj heartbeat.obj history.obj implementation.obj input.obj \
+OBJS = attr.obj attributes.obj collection.obj console.obj css.obj customevent.obj document.obj domrect.obj element.obj event.obj form.obj forms.obj heartbeat.obj history.obj implementation.obj input.obj \
 	keyboard.obj localstorage.obj location.obj message.obj navigator.obj nodelist.obj screen.obj style.obj unibar.obj url.obj urlsearchparams.obj window.obj xhr.obj
 
 include $(top_srcdir)/Makefile.lib

src/ecmascript/spidermonkey/domrect.cpp

@@ -0,0 +1,558 @@
+/* The SiderMonkey DOMRect implementation. */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "elinks.h"
+
+#include "ecmascript/spidermonkey/util.h"
+#include <js/BigInt.h>
+#include <js/Conversions.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/libdom/dom.h"
+#include "ecmascript/spidermonkey.h"
+#include "ecmascript/spidermonkey/domrect.h"
+#include "ecmascript/spidermonkey/heartbeat.h"
+
+#include <iostream>
+#include <list>
+#include <map>
+#include <utility>
+#include <sstream>
+#include <vector>
+
+static bool domRect_get_property_x(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_get_property_y(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_get_property_width(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_get_property_height(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_get_property_top(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_get_property_right(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_get_property_bottom(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_get_property_left(JSContext *ctx, unsigned int argc, JS::Value *vp);
+
+static bool domRect_set_property_x(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_set_property_y(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_set_property_width(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_set_property_height(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_set_property_top(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_set_property_right(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_set_property_bottom(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool domRect_set_property_left(JSContext *ctx, unsigned int argc, JS::Value *vp);
+
+struct eljs_domrect {
+	float x;
+	float y;
+	float width;
+	float height;
+	float top;
+	float right;
+	float bottom;
+	float left;
+};
+
+static void
+domRect_finalize(JS::GCContext *op, JSObject *domRect_obj)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	eljs_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(domRect_obj, 0);
+
+	if (d) {
+		mem_free(d);
+	}
+}
+
+JSClassOps domRect_ops = {
+	nullptr,  // addProperty
+	nullptr,  // deleteProperty
+	nullptr,  // enumerate
+	nullptr,  // newEnumerate
+	nullptr,  // resolve
+	nullptr,  // mayResolve
+	domRect_finalize, // finalize
+	nullptr,  // call
+	nullptr,  // construct
+	JS_GlobalObjectTraceHook // trace
+};
+
+JSClass domRect_class = {
+	"DOMRect",
+	JSCLASS_HAS_RESERVED_SLOTS(1),
+	&domRect_ops
+};
+
+JSPropertySpec domRect_props[] = {
+	JS_PSGS("bottom",	domRect_get_property_bottom, domRect_set_property_bottom, JSPROP_ENUMERATE),
+	JS_PSGS("height",	domRect_get_property_height, domRect_set_property_height, JSPROP_ENUMERATE),
+	JS_PSGS("left",	domRect_get_property_left, domRect_set_property_left, JSPROP_ENUMERATE),
+	JS_PSGS("right",	domRect_get_property_right, domRect_set_property_right, JSPROP_ENUMERATE),
+	JS_PSGS("top",	domRect_get_property_top, domRect_set_property_top, JSPROP_ENUMERATE),
+	JS_PSGS("width",	domRect_get_property_width, domRect_set_property_width, JSPROP_ENUMERATE),
+	JS_PSGS("x",	domRect_get_property_x, domRect_set_property_x, JSPROP_ENUMERATE),
+	JS_PSGS("y",	domRect_get_property_y, domRect_set_property_y, JSPROP_ENUMERATE),
+	JS_PS_END
+};
+
+const spidermonkeyFunctionSpec domRect_funcs[] = {
+	{ NULL }
+};
+
+static bool
+domRect_get_property_bottom(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	args.rval().setNumber(d->bottom);
+
+	return true;
+}
+
+static bool
+domRect_get_property_height(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	args.rval().setNumber(d->height);
+
+	return true;
+}
+
+static bool
+domRect_get_property_left(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	args.rval().setNumber(d->left);
+
+	return true;
+}
+
+static bool
+domRect_get_property_right(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	args.rval().setNumber(d->right);
+
+	return true;
+}
+
+static bool
+domRect_get_property_top(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	args.rval().setNumber(d->top);
+
+	return true;
+}
+
+static bool
+domRect_get_property_width(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	args.rval().setNumber(d->width);
+
+	return true;
+}
+
+static bool
+domRect_get_property_x(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	args.rval().setNumber(d->x);
+
+	return true;
+}
+
+static bool
+domRect_get_property_y(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	args.rval().setNumber(d->y);
+
+	return true;
+}
+
+static bool
+domRect_set_property_bottom(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	d->bottom = args[0].toNumber();
+	args.rval().setUndefined();
+
+	return true;
+}
+
+static bool
+domRect_set_property_height(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	d->height = args[0].toNumber();
+	args.rval().setUndefined();
+
+	return true;
+}
+
+static bool
+domRect_set_property_left(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	d->left = args[0].toNumber();
+	args.rval().setUndefined();
+
+	return true;
+}
+
+static bool
+domRect_set_property_right(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	d->right = args[0].toNumber();
+	args.rval().setUndefined();
+
+	return true;
+}
+
+static bool
+domRect_set_property_top(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	d->top = args[0].toNumber();
+	args.rval().setUndefined();
+
+	return true;
+}
+
+static bool
+domRect_set_property_width(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	d->width = args[0].toNumber();
+	args.rval().setUndefined();
+
+	return true;
+}
+
+static bool
+domRect_set_property_x(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	d->x = args[0].toNumber();
+	args.rval().setUndefined();
+
+	return true;
+}
+
+static bool
+domRect_set_property_y(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_domrect *d = JS::GetMaybePtrFromReservedSlot<eljs_domrect>(hobj, 0);
+
+	if (!d) {
+		return false;
+	}
+	d->y = args[0].toNumber();
+	args.rval().setUndefined();
+
+	return true;
+}
+
+JSObject *
+getDomRect(JSContext *ctx)
+{
+	struct eljs_domrect *d = mem_calloc(1, sizeof(*d));
+
+	if (!d) {
+		return NULL;
+	}
+	JSObject *dr = JS_NewObject(ctx, &domRect_class);
+
+	if (!dr) {
+		return NULL;
+	}
+	JS::RootedObject r_domrect(ctx, dr);
+	JS_DefineProperties(ctx, r_domrect, (JSPropertySpec *)domRect_props);
+	JS::SetReservedSlot(dr, 0, JS::PrivateValue(d));
+
+	return dr;
+}

src/ecmascript/spidermonkey/domrect.h

@@ -0,0 +1,10 @@
+#ifndef EL__ECMASCRIPT_SPIDERMONKEY_DOMRECT_H
+#define EL__ECMASCRIPT_SPIDERMONKEY_DOMRECT_H
+
+#include "ecmascript/spidermonkey/util.h"
+
+extern JSClass domRect_class;
+extern JSPropertySpec domRect_props[];
+JSObject *getDomRect(JSContext *ctx);
+
+#endif

src/ecmascript/spidermonkey/element.cpp

@@ -33,6 +33,7 @@
 #include "ecmascript/spidermonkey/attr.h"
 #include "ecmascript/spidermonkey/attributes.h"
 #include "ecmascript/spidermonkey/collection.h"
+#include "ecmascript/spidermonkey/domrect.h"
 #include "ecmascript/spidermonkey/event.h"
 #include "ecmascript/spidermonkey/element.h"
 #include "ecmascript/spidermonkey/heartbeat.h"
@@ -3740,6 +3741,7 @@ static bool element_dispatchEvent(JSContext *ctx, unsigned int argc, JS::Value *
 static bool element_focus(JSContext *ctx, unsigned int argc, JS::Value *rval);
 static bool element_getAttribute(JSContext *ctx, unsigned int argc, JS::Value *rval);
 static bool element_getAttributeNode(JSContext *ctx, unsigned int argc, JS::Value *rval);
+static bool element_getBoundingRect(JSContext *ctx, unsigned int argc, JS::Value *rval);
 static bool element_getElementsByTagName(JSContext *ctx, unsigned int argc, JS::Value *rval);
 static bool element_hasAttribute(JSContext *ctx, unsigned int argc, JS::Value *rval);
 static bool element_hasAttributes(JSContext *ctx, unsigned int argc, JS::Value *rval);
@@ -3768,6 +3770,7 @@ const spidermonkeyFunctionSpec element_funcs[] = {
 	{ "focus",	element_focus,		0 },
 	{ "getAttribute",	element_getAttribute,	1 },
 	{ "getAttributeNode",	element_getAttributeNode,	1 },
+	{ "getBoundingRect",	element_getBoundingRect, 	0 },
 	{ "getElementsByTagName",	element_getElementsByTagName,	1 },
 	{ "hasAttribute",		element_hasAttribute,	1 },
 	{ "hasAttributes",		element_hasAttributes,	0 },
@@ -4528,6 +4531,40 @@ element_getAttributeNode(JSContext *ctx, unsigned int argc, JS::Value *rval)
 	return true;
 }
 
+static bool
+element_getBoundingRect(JSContext *ctx, unsigned int argc, JS::Value *rval)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	JS::Realm *comp = js::GetContextRealm(ctx);
+
+	if (!comp) {
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
+#endif
+		return false;
+	}
+	JS::CallArgs args = CallArgsFromVp(argc, rval);
+	JS::RootedObject hobj(ctx, &args.thisv().toObject());
+
+	if (!JS_InstanceOf(ctx, hobj, &element_class, NULL)) {
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
+#endif
+		return false;
+	}
+	JSObject *drect = getDomRect(ctx);
+
+	if (!drect) {
+		args.rval().setNull();
+		return true;
+	}
+	args.rval().setObject(*drect);
+
+	return true;
+}
+
 static bool
 element_getElementsByTagName(JSContext *ctx, unsigned int argc, JS::Value *vp)
 {

src/ecmascript/spidermonkey/meson.build

@@ -1,4 +1,4 @@
-srcs += files('attr.cpp', 'attributes.cpp', 'collection.cpp', 'console.cpp', 'css.cpp', 'customevent.cpp', 'document.cpp', 'element.cpp', 'event.cpp',
+srcs += files('attr.cpp', 'attributes.cpp', 'collection.cpp', 'console.cpp', 'css.cpp', 'customevent.cpp', 'document.cpp', 'domrect.cpp', 'element.cpp', 'event.cpp',
 'form.cpp', 'forms.cpp', 'heartbeat.cpp', 'history.cpp', 'implementation.cpp', 'input.cpp', 'keyboard.cpp',
 'localstorage.cpp', 'location.cpp', 'message.cpp', 'navigator.cpp', 'nodelist.cpp', 'screen.cpp', 'style.cpp', 'unibar.cpp', 'url.cpp',
 'urlsearchparams.cpp', 'window.cpp', 'xhr.cpp')