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elinks/src/ecmascript/spidermonkey/navigator.c

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/* 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/navigator.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 navigator_get_property(JSContext *ctx, JSObject *obj, jsid id, jsval *vp);
const JSClass navigator_class = {
"navigator",
JSCLASS_HAS_PRIVATE,
JS_PropertyStub, JS_PropertyStub,
navigator_get_property, JS_StrictPropertyStub,
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 navigator[-1];
* future versions of ELinks may change the numbers. */
enum navigator_prop {
JSP_NAVIGATOR_APP_CODENAME = -1,
JSP_NAVIGATOR_APP_NAME = -2,
JSP_NAVIGATOR_APP_VERSION = -3,
JSP_NAVIGATOR_LANGUAGE = -4,
/* JSP_NAVIGATOR_MIME_TYPES = -5, */
JSP_NAVIGATOR_PLATFORM = -6,
/* JSP_NAVIGATOR_PLUGINS = -7, */
JSP_NAVIGATOR_USER_AGENT = -8,
};
const JSPropertySpec navigator_props[] = {
{ "appCodeName", JSP_NAVIGATOR_APP_CODENAME, JSPROP_ENUMERATE | JSPROP_READONLY },
{ "appName", JSP_NAVIGATOR_APP_NAME, JSPROP_ENUMERATE | JSPROP_READONLY },
{ "appVersion", JSP_NAVIGATOR_APP_VERSION, JSPROP_ENUMERATE | JSPROP_READONLY },
{ "language", JSP_NAVIGATOR_LANGUAGE, JSPROP_ENUMERATE | JSPROP_READONLY },
{ "platform", JSP_NAVIGATOR_PLATFORM, JSPROP_ENUMERATE | JSPROP_READONLY },
{ "userAgent", JSP_NAVIGATOR_USER_AGENT, JSPROP_ENUMERATE | JSPROP_READONLY },
{ NULL }
};
/* @navigator_class.getProperty */
static JSBool
navigator_get_property(JSContext *ctx, JSObject *obj, jsid id, jsval *vp)
{
if (!JSID_IS_INT(id))
return JS_TRUE;
undef_to_jsval(ctx, vp);
switch (JSID_TO_INT(id)) {
case JSP_NAVIGATOR_APP_CODENAME:
string_to_jsval(ctx, vp, "Mozilla"); /* More like a constant nowadays. */
break;
case JSP_NAVIGATOR_APP_NAME:
/* This evil hack makes the compatibility checking .indexOf()
* code find what it's looking for. */
string_to_jsval(ctx, vp, "ELinks (roughly compatible with Netscape Navigator, Mozilla and Microsoft Internet Explorer)");
break;
case JSP_NAVIGATOR_APP_VERSION:
string_to_jsval(ctx, vp, VERSION);
break;
case JSP_NAVIGATOR_LANGUAGE:
#ifdef CONFIG_NLS
if (get_opt_bool("protocol.http.accept_ui_language", NULL))
string_to_jsval(ctx, vp, language_to_iso639(current_language));
#endif
break;
case JSP_NAVIGATOR_PLATFORM:
string_to_jsval(ctx, vp, system_name);
break;
case JSP_NAVIGATOR_USER_AGENT:
{
/* FIXME: Code duplication. */
unsigned char *optstr = get_opt_str("protocol.http.user_agent",
NULL);
if (*optstr && strcmp(optstr, " ")) {
unsigned char *ustr, ts[64] = "";
static unsigned char custr[256];
/* TODO: Somehow get the terminal in which the
* document is actually being displayed. */
struct terminal *term = get_default_terminal();
if (term) {
unsigned int tslen = 0;
ulongcat(ts, &tslen, term->width, 3, 0);
ts[tslen++] = 'x';
ulongcat(ts, &tslen, term->height, 3, 0);
}
ustr = subst_user_agent(optstr, VERSION_STRING, system_name, ts);
if (ustr) {
safe_strncpy(custr, ustr, 256);
mem_free(ustr);
string_to_jsval(ctx, vp, custr);
}
}
}
break;
default:
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/* 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.
* (Actually not quite the same, as we already used
* @undef_to_jsval.) */
break;
}
return JS_TRUE;
}