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/* Binding to generate window 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
 */

#include "dom.bnd"

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/jsapi.h"
#include "javascript/jsapi/binding.h"


%}

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

	interface Window; /* Web IDL interface to generate */

	private "struct browser_window *" bw;
	private "struct html_content *" htmlc;

	internal "JSObject *" document;
	internal "JSObject *" navigator;
	internal "JSObject *" console;
	internal "JSObject *" location;

	property unshared type EventHandler;
}

api mark %{
	if (private != NULL) {
		if (private->document != NULL) {
			JSAPI_GCMARK(private->document);
		}
		if (private->navigator != NULL) {
			JSAPI_GCMARK(private->navigator);
		}
		if (private->console != NULL) {
			JSAPI_GCMARK(private->console);
		}
		if (private->location != NULL) {
			JSAPI_GCMARK(private->location);
		}
	}
%}

api global %{
%}

api init %{
	JSObject *user_proto;

	prototype = JS_NewCompartmentAndGlobalObject(cx, &JSClass_Window, NULL);
	if (prototype == NULL) {
		return NULL;
	}

	/** @todo reconsider global object handling. future
	 * editions of spidermonkey appear to be removing the
	 * idea of a global so we probably need to handle
	 * global object references internally
	 */

	/* set the contexts global */
	JS_SetGlobalObject(cx, prototype);

	/* Populate the global object with the standard globals, like
	 *  Object and Array.
	 */
	if (!JS_InitStandardClasses(cx, prototype)) {
		return NULL;
	}

	/* add functions to prototype */
	if (!JS_DefineFunctions(cx, prototype, jsclass_functions)) {
		return NULL;
	}

	/* add properties to prototype */
	if (!JS_DefineProperties(cx, prototype, jsclass_properties))
		return NULL;

	/* Initialises all the user javascript classes to make their
	 * prototypes available. 
	 */
	/** @todo should we be managing these prototype objects ourselves */
	user_proto = jsapi_InitClass_Document(cx, prototype);
	if (user_proto == NULL) {
		return NULL;
	}

	user_proto = jsapi_InitClass_Navigator(cx, prototype);
	if (user_proto == NULL) {
		return NULL;
	}

	user_proto = jsapi_InitClass_Location(cx, prototype);
	if (user_proto == NULL) {
		return NULL;
	}

	user_proto = jsapi_InitClass_Console(cx, prototype);
	if (user_proto == NULL) {
		return NULL;
	}

	user_proto = jsapi_InitClass_HTMLElement(cx, prototype);
	if (user_proto == NULL) {
		return NULL;
	}

	user_proto = jsapi_InitClass_HTMLCollection(cx, prototype);
	if (user_proto == NULL) {
		return NULL;
	}

	user_proto = jsapi_InitClass_NodeList(cx, prototype);
	if (user_proto == NULL) {
		return NULL;
	}

	user_proto = jsapi_InitClass_Text(cx, prototype);
	if (user_proto == NULL) {
		return NULL;
	}

	user_proto = jsapi_InitClass_Node(cx, prototype);
	if (user_proto == NULL) {
		return NULL;
	}

	user_proto = jsapi_InitClass_Event(cx, prototype);
	if (user_proto == NULL) {
		return NULL;
	}

%}

api new %{
	/* @todo sort out windows that are not globals */
	assert(parent == NULL);

        /* the window object is the global so its prototype *is* the instance */
        newobject = prototype;

	/* instantiate the subclasses off the window global */
	private->document = jsapi_new_Document(cx,
                                               NULL,
                                               newobject, 
                                               (dom_document *)dom_node_ref(htmlc->document), 
                                               htmlc);
	if (private->document == NULL) { 
		free(private);
		return NULL;
	}

	private->navigator = jsapi_new_Navigator(cx, NULL, newobject);
	if (private->navigator == NULL) {
		free(private);
		return NULL;
	}

	private->location = jsapi_new_Location(cx, NULL, newobject, bw, 
					       llcache_handle_get_url(private->htmlc->base.llcache));
	if (private->location == NULL) {
		free(private);
		return NULL;
	}

	private->console = jsapi_new_Console(cx, NULL, newobject);
	if (private->console == NULL) {
		free(private);
		return NULL;
	}

	/** @todo forms, history */

	LOG(("Created new window object %p", newobject));
%}

operation confirm %{
	warn_user(message, NULL);
%}

operation alert %{
	warn_user(message, NULL);
%}

operation prompt %{
	warn_user(message, NULL);
%}

getter window %{
	jsret = obj;
%}

getter self %{
	jsret = obj;
%}

/* boolean dispatchEvent(Event event); */
operation dispatchEvent %{
	/* this implementation is unique to the window object as it is
	 * not a "real" dom node. 
	 */

	/* caution, this must match the struct generated from event.bnd */
	if (event == JSVAL_VOID) {
		jsret = JS_FALSE;
	} else {
		struct {
			dom_event *event;
		} *event_private;
		dom_string *type_dom = NULL;
		dom_exception exc;
		jsval eventval = JSVAL_VOID;
		jsval event_argv[1];
		jsval event_rval;

		event_private = JS_GetInstancePrivate(cx, event, &JSClass_Event, NULL);
		if (event_private->event == NULL) {
			/** @todo type error? */
			jsret = JS_FALSE;
		} else {
			exc = dom_event_get_type(event_private->event, &type_dom);
			if (exc == DOM_NO_ERR) {

				if (dom_string_isequal(type_dom, corestring_dom_load)) {
					JS_GetProperty(cx, JSAPI_THIS_OBJECT(cx, vp), "onload", &eventval);
				}

				if (eventval != JSVAL_VOID) {
					event_argv[0] = eventval;
					jsret = JS_CallFunctionValue(cx, NULL, eventval, 1, event_argv, &event_rval);
				}
			}
		}
	}
%}

getter EventHandler %{
	/* this implementation is unique to the window object as it is
	 * not a dom node. 
	 */
	JSLOG("propname[%d] %s %s", tinyid , jsclass_properties[tinyid].name, JS_GetTypeName(cx, JS_TypeOfValue(cx, tinyid_jsval)));
%}

setter EventHandler %{
	/* this implementation is unique to the window object as it is
	 * not a dom node. 
	 */
	JSLOG("propname[%d] %s %s", tinyid, jsclass_properties[tinyid].name, JS_GetTypeName(cx, JS_TypeOfValue(cx,  tinyid_jsval)));
%}