elinks/src/ecmascript/spidermonkey/unibar.c

/* The SpiderMonkey location and history objects 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 "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/spidermonkey/unibar.h"
#include "ecmascript/spidermonkey/window.h"
#include "intl/gettext/libintl.h"
#include "main/select.h"
#include "osdep/newwin.h"
#include "osdep/sysname.h"
#include "protocol/http/http.h"
#include "protocol/uri.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"


static JSBool unibar_get_property(JSContext *ctx, JSObject *obj, jsid id, jsval *vp);
static JSBool unibar_set_property(JSContext *ctx, JSObject *obj, jsid id, JSBool strict, jsval *vp);

/* Each @menubar_class object must have a @window_class parent.  */
const JSClass menubar_class = {
	"menubar",
	JSCLASS_HAS_PRIVATE,	/* const char * "t" */
	JS_PropertyStub, JS_PropertyStub,
	unibar_get_property, unibar_set_property,
	JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub
};
/* Each @statusbar_class object must have a @window_class parent.  */
const JSClass statusbar_class = {
	"statusbar",
	JSCLASS_HAS_PRIVATE,	/* const char * "s" */
	JS_PropertyStub, JS_PropertyStub,
	unibar_get_property, unibar_set_property,
	JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub
};

/* Tinyids of properties.  Use negative values to distinguish these
 * from array indexes (even though this object has no array elements).
 * ECMAScript code should not use these directly as in menubar[-1];
 * future versions of ELinks may change the numbers.  */
enum unibar_prop {
	JSP_UNIBAR_VISIBLE = -1,
};
const JSPropertySpec unibar_props[] = {
	{ "visible",	JSP_UNIBAR_VISIBLE,	JSPROP_ENUMERATE },
	{ NULL }
};


/* @menubar_class.getProperty, @statusbar_class.getProperty */
static JSBool
unibar_get_property(JSContext *ctx, JSObject *obj, jsid id, jsval *vp)
{
	JSObject *parent_win;	/* instance of @window_class */
	struct view_state *vs;
	struct document_view *doc_view;
	struct session_status *status;
	unsigned char *bar;

	/* This can be called if @obj if not itself an instance of either
	 * appropriate class but has one in its prototype chain.  Fail
	 * such calls.  */
	if (!JS_InstanceOf(ctx, obj, (JSClass *) &menubar_class, NULL)
	 && !JS_InstanceOf(ctx, obj, (JSClass *) &statusbar_class, NULL))
		return JS_FALSE;
	parent_win = JS_GetParent(ctx, obj);
	assert(JS_InstanceOf(ctx, parent_win, (JSClass *) &window_class, NULL));
	if_assert_failed return JS_FALSE;

	vs = JS_GetInstancePrivate(ctx, parent_win,
				   (JSClass *) &window_class, NULL);
	doc_view = vs->doc_view;
	status = &doc_view->session->status;
	bar = JS_GetPrivate(ctx, obj); /* from @menubar_class or @statusbar_class */

	if (!JSID_IS_INT(id))
		return JS_TRUE;

	switch (JSID_TO_INT(id)) {
	case JSP_UNIBAR_VISIBLE:
#define unibar_fetch(bar) \
	boolean_to_jsval(ctx, vp, status->force_show_##bar##_bar >= 0 \
	          ? status->force_show_##bar##_bar \
	          : status->show_##bar##_bar)
		switch (*bar) {
		case 's':
			unibar_fetch(status);
			break;
		case 't':
			unibar_fetch(title);
			break;
		default:
			boolean_to_jsval(ctx, vp, 0);
			break;
		}
#undef unibar_fetch
		break;
	default:
		/* Unrecognized integer property ID; someone is using
		 * the object as an array.  SMJS builtin classes (e.g.
		 * js_RegExpClass) just return JS_TRUE in this case
		 * and leave *@vp unchanged.  Do the same here.  */
		break;
	}

	return JS_TRUE;
}

/* @menubar_class.setProperty, @statusbar_class.setProperty */
static JSBool
unibar_set_property(JSContext *ctx, JSObject *obj, jsid id, JSBool strict, jsval *vp)
{
	JSObject *parent_win;	/* instance of @window_class */
	struct view_state *vs;
	struct document_view *doc_view;
	struct session_status *status;
	unsigned char *bar;

	/* This can be called if @obj if not itself an instance of either
	 * appropriate class but has one in its prototype chain.  Fail
	 * such calls.  */
	if (!JS_InstanceOf(ctx, obj, (JSClass *) &menubar_class, NULL)
	 && !JS_InstanceOf(ctx, obj, (JSClass *) &statusbar_class, NULL))
		return JS_FALSE;
	parent_win = JS_GetParent(ctx, obj);
	assert(JS_InstanceOf(ctx, parent_win, (JSClass *) &window_class, NULL));
	if_assert_failed return JS_FALSE;

	vs = JS_GetInstancePrivate(ctx, parent_win,
				   (JSClass *) &window_class, NULL);
	doc_view = vs->doc_view;
	status = &doc_view->session->status;
	bar = JS_GetPrivate(ctx, obj); /* from @menubar_class or @statusbar_class */

	if (!JSID_IS_INT(id))
		return JS_TRUE;

	switch (JSID_TO_INT(id)) {
	case JSP_UNIBAR_VISIBLE:
		switch (*bar) {
		case 's':
			status->force_show_status_bar = jsval_to_boolean(ctx, vp);
			break;
		case 't':
			status->force_show_title_bar = jsval_to_boolean(ctx, vp);
			break;
		default:
			break;
		}
		register_bottom_half(update_status, NULL);
		break;
	default:
		/* Unrecognized integer property ID; someone is using
		 * the object as an array.  SMJS builtin classes (e.g.
		 * js_RegExpClass) just return JS_TRUE in this case.
		 * Do the same here.  */
		return JS_TRUE;
	}

	return JS_TRUE;
}