netsurf/javascript/jsapi/htmlelement.bnd

/* Binding to generate HTMLElement interface
 *
 * Copyright 2012 Vincent Sanders <vince@netsurf-browser.org>
 *
 * This file is part of NetSurf, http://www.netsurf-browser.org/
 *
 * Released under the terms of the MIT License,
 *         http://www.opensource.org/licenses/mit-license
 */

webidlfile "html.idl";

hdrcomment "Copyright 2012 Vincent Sanders <vince@netsurf-browser.org>";
hdrcomment "This file is part of NetSurf, http://www.netsurf-browser.org/";
hdrcomment "Released under the terms of the MIT License,";
hdrcomment "        http://www.opensource.org/licenses/mit-license";

preamble %{

#include <dom/dom.h>

#include "utils/config.h"
#include "utils/log.h"
#include "utils/corestrings.h"
#include "javascript/js.h"
#include "javascript/jsapi.h"
#include "render/html_internal.h"

#include "htmlelement.h"
#include "text.h"
#include "location.h"
#include "nodelist.h"

%}

#include "dom.bnd"

binding htmlelement {
	type js_libdom; /* the binding type */

	interface HTMLElement; /* Web IDL interface to generate */
	/* superclasses

	   interface HTMLAnchorElement
	   interface HTMLAppletElement
	   interface HTMLAreaElement
	   interface HTMLBaseElement
	   interface HTMLBaseFontElement
	   interface HTMLBodyElement
	   interface HTMLBRElement
	   interface HTMLButtonElement
	   interface HTMLCanvasElement
	   interface HTMLCommandElement
	   interface HTMLDataElement
	   interface HTMLDataListElement
	   interface HTMLDetailsElement
	   interface HTMLDialogElement
	   interface HTMLDirectoryElement
	   interface HTMLDivElement
	   interface HTMLDListElement
	   interface HTMLEmbedElement
	   interface HTMLFieldSetElement
	   interface HTMLFontElement
	   interface HTMLFormElement
	   interface HTMLFrameElement
	   interface HTMLFrameSetElement
	   interface HTMLHeadElement
	   interface HTMLHeadingElement
	   interface HTMLHRElement
	   interface HTMLHtmlElement
	   interface HTMLIFrameElement
	   interface HTMLImageElement
	   interface HTMLInputElement
	   interface HTMLKeygenElement
	   interface HTMLLabelElement
	   interface HTMLLegendElement
	   interface HTMLLIElement
	   interface HTMLLinkElement
	   interface HTMLMapElement
	   interface HTMLMarqueeElement
	   interface HTMLMediaElement
	   interface HTMLMenuElement
	   interface HTMLMetaElement
	   interface HTMLMeterElement
	   interface HTMLModElement
	   interface HTMLObjectElement
	   interface HTMLOListElement
	   interface HTMLOptGroupElement
	   interface HTMLOptionElement
	   interface HTMLOutputElement
	   interface HTMLParagraphElement
	   interface HTMLParamElement
	   interface HTMLPreElement
	   interface HTMLProgressElement
	   interface HTMLQuoteElement
	   interface HTMLScriptElement
	   interface HTMLSelectElement
	   interface HTMLSourceElement
	   interface HTMLSpanElement
	   interface HTMLStyleElement
	   interface HTMLTableCaptionElement
	   interface HTMLTableCellElement
	   interface HTMLTableColElement
	   interface HTMLTableElement
	   interface HTMLTableRowElement
	   interface HTMLTableSectionElement
	   interface HTMLTextAreaElement
	   interface HTMLTimeElement
	   interface HTMLTitleElement
	   interface HTMLTrackElement
	   interface HTMLUListElement
	   interface HTMLUnknownElement
	*/

	private "dom_element *" node;
	private "struct html_content *" htmlc;

	/* tag name retrieved first time its fetched and doesnt change */
	property unshared tagName;

	/* events through a single interface */
	property unshared type EventHandler;
}

api finalise %{
	if (private != NULL) {
		dom_node_unref(private->node);
	}
%}

/* interface Element in dom idl */

/* readonly attribute DOMString Element::tagName; */
getter tagName %{
	if (!JSVAL_IS_VOID(JSAPI_PROP_RVAL(cx, vp))) {
		/* already created - return it */
		return JS_TRUE;
	}

	dom_exception exc;
	dom_string *name;

	exc = dom_element_get_tag_name(private->node, &name);
	if (name != NULL) {
		jsret = JS_NewStringCopyN(cx, dom_string_data(name), dom_string_length(name));
		dom_string_unref(name);
	}
%}

/* attribute DOMString Element::id; */
getter id %{
	dom_string *value;
	dom_exception exc;

	exc = dom_element_get_attribute(private->node, corestring_dom_id, &value);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	if (value != NULL) {
		jsret = JS_NewStringCopyN(cx, dom_string_data(value), dom_string_length(value));
		dom_string_unref(value);
	}
%}

/* attribute DOMString Element::className; */
getter className %{
	dom_string *value;
	dom_exception exc;

	exc = dom_element_get_attribute(private->node, corestring_dom_class, &value);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	if (value != NULL) {
		jsret = JS_NewStringCopyN(cx, dom_string_data(value), dom_string_length(value));
		dom_string_unref(value);
	}
%}

/* DOMString? Element::getAttribute(DOMString name); */
operation getAttribute %{
	dom_string *value;
	dom_string *name_dom;
	dom_exception exc;

	exc = dom_string_create((unsigned char*)name, name_len, &name_dom);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	exc = dom_element_get_attribute(private->node, name_dom, &value);
	dom_string_unref(name_dom);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	if (value != NULL) {
		jsret = JS_NewStringCopyN(cx, dom_string_data(value), dom_string_length(value));
		dom_string_unref(value);
	}
%}

/* void Element::setAttribute(DOMString name, DOMString value); */
operation setAttribute %{
	dom_string *value_dom;
	dom_string *name_dom;
	dom_exception exc;

	exc = dom_string_create((unsigned char*)name, name_len, &name_dom);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	exc = dom_string_create((unsigned char*)name, name_len, &value_dom);
	if (exc != DOM_NO_ERR) {
		dom_string_unref(name_dom);
		return JS_FALSE;
	}

	exc = dom_element_set_attribute(private->node, name_dom, value_dom);
	dom_string_unref(name_dom);
	dom_string_unref(value_dom);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}
%}

/* void Element::removeAttribute(DOMString name); */
operation removeAttribute %{
	dom_string *name_dom;
	dom_exception exc;

	exc = dom_string_create((unsigned char*)name, name_len, &name_dom);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	exc = dom_element_remove_attribute(private->node, name_dom);
	dom_string_unref(name_dom);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}
%}

/* boolean Element::hasAttribute(DOMString name); */
operation hasAttribute %{
	bool result;
	dom_string *name_dom;
	dom_exception exc;

	exc = dom_string_create((unsigned char*)name, name_len, &name_dom);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	exc = dom_element_has_attribute(private->node, name_dom, &result);
	dom_string_unref(name_dom);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	if (result) {
		jsret = JS_TRUE;
	}
%}

/*
 *
 * Dom 4 says this should return a htmlcollection, libdom currently
 * returns DOM 3 spec of a nodelist
 */
/* HTMLCollection Element::getElementsByTagName(DOMString localName); */
operation getElementsByTagName %{
	dom_string *localName_dom;
	/* dom_html_collection *collection;*/
	dom_nodelist *nodelist;
	dom_exception exc;

	exc = dom_string_create((uint8_t *)localName, localName_len, &localName_dom);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	exc = dom_element_get_elements_by_tag_name(private->node, localName_dom, /*&collection*/&nodelist);
	dom_string_unref(localName_dom);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	if (/*collection*/nodelist != NULL) {
		/*jsret = jsapi_new_HTMLCollection(cx,
						 NULL,
						 NULL,
						 collection,
						 private->htmlc);*/
		jsret = jsapi_new_NodeList(cx,
						 NULL,
						 NULL,
						 nodelist,
						 private->htmlc);
	}

%}

/*
 * DOM 3 has these as the element traversal  extension
 *
 * http://dev.w3.org/2006/webapi/ElementTraversal/publish/ElementTraversal.html
 */

getter firstElementChild %{
	dom_node *element;
	dom_exception exc;
	dom_node_type node_type;
	dom_node *next_node;

	exc = dom_node_get_first_child(private->node, &element);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	while (element != NULL) {
		exc = dom_node_get_node_type(element, &node_type);
		if ((exc == DOM_NO_ERR) && (node_type == DOM_ELEMENT_NODE)) {
			/* found it */
			jsret = jsapi_new_HTMLElement(cx,
						      NULL,
						      NULL,
						      (dom_element *)element,
						      private->htmlc);
			break;
		}

		exc = dom_node_get_next_sibling(element, &next_node);
		dom_node_unref(element);
		if (exc == DOM_NO_ERR) {
			element = next_node;
		} else {
			element = NULL;
		}

	}


	%}

getter lastElementChild %{
	dom_node *element;
	dom_exception exc;
	dom_node_type node_type;
	dom_node *sib_node;

	exc = dom_node_get_last_child(private->node, &element);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	while (element != NULL) {
		exc = dom_node_get_node_type(element, &node_type);
		if ((exc == DOM_NO_ERR) && (node_type == DOM_ELEMENT_NODE)) {
			/* found it */
			jsret = jsapi_new_HTMLElement(cx,
						      NULL,
						      NULL,
						      (dom_element *)element,
						      private->htmlc);
			break;
		}

		exc = dom_node_get_previous_sibling(element, &sib_node);
		dom_node_unref(element);
		if (exc == DOM_NO_ERR) {
			element = sib_node;
		} else {
			element = NULL;
		}

	}
	%}

getter previousElementSibling %{
	dom_node *element;
	dom_exception exc;
	dom_node_type node_type;
	dom_node *sib_node;

	exc = dom_node_get_previous_sibling(private->node, &element);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	while (element != NULL) {
		exc = dom_node_get_node_type(element, &node_type);
		if ((exc == DOM_NO_ERR) && (node_type == DOM_ELEMENT_NODE)) {
			/* found it */
			jsret = jsapi_new_HTMLElement(cx,
						      NULL,
						      NULL,
						      (dom_element *)element,
						      private->htmlc);
			break;
		}

		exc = dom_node_get_previous_sibling(element, &sib_node);
		dom_node_unref(element);
		if (exc == DOM_NO_ERR) {
			element = sib_node;
		} else {
			element = NULL;
		}
	}
%}

getter nextElementSibling %{
	dom_node *element;
	dom_exception exc;
	dom_node_type node_type;
	dom_node *sib_node;

	exc = dom_node_get_next_sibling(private->node, &element);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	while (element != NULL) {
		exc = dom_node_get_node_type(element, &node_type);
		if ((exc == DOM_NO_ERR) && (node_type == DOM_ELEMENT_NODE)) {
			/* found it */
			jsret = jsapi_new_HTMLElement(cx,
						      NULL,
						      NULL,
						      (dom_element *)element,
						      private->htmlc);
			break;
		}

		exc = dom_node_get_next_sibling(element, &sib_node);
		dom_node_unref(element);
		if (exc == DOM_NO_ERR) {
			element = sib_node;
		} else {
			element = NULL;
		}
	}
%}

getter childElementCount %{
	dom_node *element;
	dom_exception exc;
	dom_node_type node_type;
	dom_node *next_node;

	exc = dom_node_get_first_child(private->node, &element);
	if (exc != DOM_NO_ERR) {
		return JS_FALSE;
	}

	while (element != NULL) {
		exc = dom_node_get_node_type(element, &node_type);
		if ((exc == DOM_NO_ERR) && (node_type == DOM_ELEMENT_NODE)) {
			jsret += 1;
		}

		exc = dom_node_get_next_sibling(element, &next_node);
		dom_node_unref(element);
		if (exc == DOM_NO_ERR) {
			element = next_node;
		} else {
			element = NULL;
		}
	}
%}

getter EventHandler %{
	JSLOG("propname[%d].name=\"%s\"",
	      tinyid,
	      jsclass_properties[tinyid].name);
%}


setter EventHandler %{
	dom_string *event_type_dom;

	JSLOG("propname[%d].name=\"%s\"",
	      tinyid,
	      jsclass_properties[tinyid].name);

	switch (tinyid) {
	case JSAPI_PROP_TINYID_onabort:
		event_type_dom = corestring_dom_abort;
		break;

	case JSAPI_PROP_TINYID_onblur:
		event_type_dom = corestring_dom_blur;
		break;

	case JSAPI_PROP_TINYID_oncancel:
		event_type_dom = corestring_dom_cancel;
		break;

	case JSAPI_PROP_TINYID_oncanplay:
		event_type_dom = corestring_dom_canplay;
		break;

	case JSAPI_PROP_TINYID_oncanplaythrough:
		event_type_dom = corestring_dom_canplaythrough;
		break;

	case JSAPI_PROP_TINYID_onchange:
		event_type_dom = corestring_dom_change;
		break;

	case JSAPI_PROP_TINYID_onclick:
		event_type_dom = corestring_dom_click;
		break;

	case JSAPI_PROP_TINYID_onclose:
		event_type_dom = corestring_dom_close;
		break;

	case JSAPI_PROP_TINYID_oncontextmenu:
		event_type_dom = corestring_dom_contextmenu;
		break;

	case JSAPI_PROP_TINYID_oncuechange:
		event_type_dom = corestring_dom_cuechange;
		break;

	case JSAPI_PROP_TINYID_ondblclick:
		event_type_dom = corestring_dom_dblclick;
		break;

	case JSAPI_PROP_TINYID_ondrag:
		event_type_dom = corestring_dom_drag;
		break;

	case JSAPI_PROP_TINYID_ondragend:
		event_type_dom = corestring_dom_dragend;
		break;

	case JSAPI_PROP_TINYID_ondragenter:
		event_type_dom = corestring_dom_dragenter;
		break;

	case JSAPI_PROP_TINYID_ondragleave:
		event_type_dom = corestring_dom_dragleave;
		break;

	case JSAPI_PROP_TINYID_ondragover:
		event_type_dom = corestring_dom_dragover;
		break;

	case JSAPI_PROP_TINYID_ondragstart:
		event_type_dom = corestring_dom_dragstart;
		break;

	case JSAPI_PROP_TINYID_ondrop:
		event_type_dom = corestring_dom_drop;
		break;

	case JSAPI_PROP_TINYID_ondurationchange:
		event_type_dom = corestring_dom_durationchange;
		break;

	case JSAPI_PROP_TINYID_onemptied:
		event_type_dom = corestring_dom_emptied;
		break;

	case JSAPI_PROP_TINYID_onended:
		event_type_dom = corestring_dom_ended;
		break;

	case JSAPI_PROP_TINYID_onerror:
		event_type_dom = corestring_dom_error;
		break;

	case JSAPI_PROP_TINYID_onfocus:
		event_type_dom = corestring_dom_focus;
		break;

	case JSAPI_PROP_TINYID_oninput:
		event_type_dom = corestring_dom_input;
		break;

	case JSAPI_PROP_TINYID_oninvalid:
		event_type_dom = corestring_dom_invalid;
		break;

	case JSAPI_PROP_TINYID_onkeydown:
		event_type_dom = corestring_dom_keydown;
		break;

	case JSAPI_PROP_TINYID_onkeypress:
		event_type_dom = corestring_dom_keypress;
		break;

	case JSAPI_PROP_TINYID_onkeyup:
		event_type_dom = corestring_dom_keyup;
		break;

	case JSAPI_PROP_TINYID_onload:
		event_type_dom = corestring_dom_load;
		break;

	case JSAPI_PROP_TINYID_onloadeddata:
		event_type_dom = corestring_dom_loadeddata;
		break;

	case JSAPI_PROP_TINYID_onloadedmetadata:
		event_type_dom = corestring_dom_loadedmetadata;
		break;

	case JSAPI_PROP_TINYID_onloadstart:
		event_type_dom = corestring_dom_loadstart;
		break;

	case JSAPI_PROP_TINYID_onmousedown:
		event_type_dom = corestring_dom_mousedown;
		break;

	case JSAPI_PROP_TINYID_onmousemove:
		event_type_dom = corestring_dom_mousemove;
		break;

	case JSAPI_PROP_TINYID_onmouseout:
		event_type_dom = corestring_dom_mouseout;
		break;

	case JSAPI_PROP_TINYID_onmouseover:
		event_type_dom = corestring_dom_mouseover;
		break;

	case JSAPI_PROP_TINYID_onmouseup:
		event_type_dom = corestring_dom_mouseup;
		break;

	case JSAPI_PROP_TINYID_onmousewheel:
		event_type_dom = corestring_dom_mousewheel;
		break;

	case JSAPI_PROP_TINYID_onpause:
		event_type_dom = corestring_dom_pause;
		break;

	case JSAPI_PROP_TINYID_onplay:
		event_type_dom = corestring_dom_play;
		break;

	case JSAPI_PROP_TINYID_onplaying:
		event_type_dom = corestring_dom_playing;
		break;

	case JSAPI_PROP_TINYID_onprogress:
		event_type_dom = corestring_dom_progress;
		break;

	case JSAPI_PROP_TINYID_onratechange:
		event_type_dom = corestring_dom_ratechange;
		break;

	case JSAPI_PROP_TINYID_onreset:
		event_type_dom = corestring_dom_reset;
		break;

	case JSAPI_PROP_TINYID_onscroll:
		event_type_dom = corestring_dom_scroll;
		break;

	case JSAPI_PROP_TINYID_onseeked:
		event_type_dom = corestring_dom_seeked;
		break;

	case JSAPI_PROP_TINYID_onseeking:
		event_type_dom = corestring_dom_seeking;
		break;

	case JSAPI_PROP_TINYID_onselect:
		event_type_dom = corestring_dom_select;
		break;

	case JSAPI_PROP_TINYID_onshow:
		event_type_dom = corestring_dom_show;
		break;

	case JSAPI_PROP_TINYID_onstalled:
		event_type_dom = corestring_dom_stalled;
		break;

	case JSAPI_PROP_TINYID_onsubmit:
		event_type_dom = corestring_dom_submit;
		break;

	case JSAPI_PROP_TINYID_onsuspend:
		event_type_dom = corestring_dom_suspend;
		break;

	case JSAPI_PROP_TINYID_ontimeupdate:
		event_type_dom = corestring_dom_timeupdate;
		break;

	case JSAPI_PROP_TINYID_onvolumechange:
		event_type_dom = corestring_dom_volumechange;
		break;

	case JSAPI_PROP_TINYID_onwaiting:
		event_type_dom = corestring_dom_waiting;
		break;

	default:
		JSLOG("called with unknown tinyid");
		return JS_TRUE;
	}

	js_dom_event_add_listener((struct jscontext *)cx,
				  private->htmlc->document,
				  (dom_node *)private->node,
				  event_type_dom,
				  vp);
%}