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mirror of https://github.com/rkd77/elinks.git synced 2024-12-04 14:46:47 -05:00

[quickjs] navigator

This commit is contained in:
Witold Filipczyk 2021-10-20 20:00:19 +02:00
parent c2d1e2667a
commit e73e66ffea
5 changed files with 218 additions and 1 deletions

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@ -25,6 +25,7 @@
#include "document/view.h"
#include "ecmascript/ecmascript.h"
#include "ecmascript/quickjs.h"
#include "ecmascript/quickjs/navigator.h"
#include "ecmascript/quickjs/screen.h"
#include "ecmascript/quickjs/unibar.h"
#include "ecmascript/quickjs/window.h"
@ -163,6 +164,7 @@ quickjs_get_interpreter(struct ecmascript_interpreter *interpreter)
JS_SetPropertyStr(ctx, global_obj, "window", window_obj);
js_screen_init(ctx, global_obj);
js_unibar_init(ctx, global_obj);
js_navigator_init(ctx, global_obj);
JS_FreeValue(ctx, global_obj);

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@ -1 +1 @@
srcs += files('screen.c', 'unibar.c', 'window.c')
srcs += files('navigator.c', 'screen.c', 'unibar.c', 'window.c')

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@ -0,0 +1,193 @@
/* The Quickjs navigator object implementation. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "elinks.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/quickjs/navigator.h"
#include "intl/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"
#define countof(x) (sizeof(x) / sizeof((x)[0]))
static JSClassID js_navigator_class_id;
/* @navigator_class.getProperty */
static JSValue
js_navigator_get_property_appCodeName(JSContext *ctx, JSValueConst this_val, int magic)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
return JS_NewString(ctx, "Mozilla"); /* More like a constant nowadays. */
}
static JSValue
js_navigator_get_property_appName(JSContext *ctx, JSValueConst this_val, int magic)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
return JS_NewString(ctx, "ELinks (roughly compatible with Netscape Navigator, Mozilla and Microsoft Internet Explorer)");
}
static JSValue
js_navigator_get_property_appVersion(JSContext *ctx, JSValueConst this_val, int magic)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
return JS_NewString(ctx, VERSION);
}
static JSValue
js_navigator_get_property_language(JSContext *ctx, JSValueConst this_val, int magic)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
#ifdef CONFIG_NLS
if (get_opt_bool("protocol.http.accept_ui_language", NULL)) {
return JS_NewString(ctx, language_to_iso639(current_language));
}
#endif
return JS_UNDEFINED;
}
static JSValue
js_navigator_get_property_platform(JSContext *ctx, JSValueConst this_val, int magic)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
return JS_NewString(ctx, system_name);
}
static JSValue
js_navigator_get_property_userAgent(JSContext *ctx, JSValueConst this_val, int magic)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
char *optstr;
optstr = get_opt_str("protocol.http.user_agent", NULL);
if (*optstr && strcmp(optstr, " ")) {
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);
return JS_NewString(ctx, custr);
}
}
return JS_NewString(ctx, system_name);
}
static const JSCFunctionListEntry js_navigator_proto_funcs[] = {
JS_CGETSET_MAGIC_DEF("appCodeName", js_navigator_get_property_appCodeName, nullptr, 0),
JS_CGETSET_MAGIC_DEF("appName", js_navigator_get_property_appName, nullptr, 0),
JS_CGETSET_MAGIC_DEF("appVersion", js_navigator_get_property_appVersion, nullptr, 0),
JS_CGETSET_MAGIC_DEF("language", js_navigator_get_property_language, nullptr, 0),
JS_CGETSET_MAGIC_DEF("platform", js_navigator_get_property_platform, nullptr, 0),
JS_CGETSET_MAGIC_DEF("userAgent", js_navigator_get_property_userAgent, nullptr, 0),
};
static JSClassDef js_navigator_class = {
"navigator",
};
static JSValue
js_navigator_ctor(JSContext *ctx, JSValueConst new_target, int argc, JSValueConst *argv)
{
JSValue obj = JS_UNDEFINED;
JSValue proto;
/* using new_target to get the prototype is necessary when the
class is extended. */
proto = JS_GetPropertyStr(ctx, new_target, "prototype");
if (JS_IsException(proto)) {
goto fail;
}
obj = JS_NewObjectProtoClass(ctx, proto, js_navigator_class_id);
JS_FreeValue(ctx, proto);
if (JS_IsException(obj)) {
goto fail;
}
return obj;
fail:
JS_FreeValue(ctx, obj);
return JS_EXCEPTION;
}
int
js_navigator_init(JSContext *ctx, JSValue global_obj)
{
JSValue navigator_proto, navigator_class;
/* create the navigator class */
JS_NewClassID(&js_navigator_class_id);
JS_NewClass(JS_GetRuntime(ctx), js_navigator_class_id, &js_navigator_class);
navigator_proto = JS_NewObject(ctx);
JS_SetPropertyFunctionList(ctx, navigator_proto, js_navigator_proto_funcs, countof(js_navigator_proto_funcs));
navigator_class = JS_NewCFunction2(ctx, js_navigator_ctor, "navigator", 0, JS_CFUNC_constructor, 0);
/* set proto.constructor and ctor.prototype */
JS_SetConstructor(ctx, navigator_class, navigator_proto);
JS_SetClassProto(ctx, js_navigator_class_id, navigator_proto);
JS_SetPropertyStr(ctx, global_obj, "navigator", navigator_proto);
return 0;
}

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@ -0,0 +1,6 @@
#ifndef EL__ECMASCRIPT_QUICKJS_NAVIGATOR_H
#define EL__ECMASCRIPT_QUICKJS_NAVIGATOR_H
#include <quickjs/quickjs.h>
int js_navigator_init(JSContext *ctx, JSValue global_obj);
#endif

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@ -0,0 +1,16 @@
<!DOCTYPE html>
<html>
<body>
<script>
var text = "appCodeName=" + navigator.appCodeName + "\n";
text += "appName=" + navigator.appName + "\n";
text += "appVersion=" + navigator.appVersion + "\n";
text += "platform=" + navigator.platform + "\n";
text += "userAgent=" + navigator.userAgent + "\n";
text += "language=" + navigator.language;
window.alert(text);
</script>
</body>
</html>