From e73e66ffea8550665bbef69f8a5cdd43f06778c7 Mon Sep 17 00:00:00 2001 From: Witold Filipczyk Date: Wed, 20 Oct 2021 20:00:19 +0200 Subject: [PATCH] [quickjs] navigator --- src/ecmascript/quickjs.c | 2 + src/ecmascript/quickjs/meson.build | 2 +- src/ecmascript/quickjs/navigator.c | 193 +++++++++++++++++++++++++++++ src/ecmascript/quickjs/navigator.h | 6 + test/ecmascript/navigator.html | 16 +++ 5 files changed, 218 insertions(+), 1 deletion(-) create mode 100644 src/ecmascript/quickjs/navigator.c create mode 100644 src/ecmascript/quickjs/navigator.h create mode 100644 test/ecmascript/navigator.html diff --git a/src/ecmascript/quickjs.c b/src/ecmascript/quickjs.c index 39a78fec..7480b4fb 100644 --- a/src/ecmascript/quickjs.c +++ b/src/ecmascript/quickjs.c @@ -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); diff --git a/src/ecmascript/quickjs/meson.build b/src/ecmascript/quickjs/meson.build index 0b6e1768..dd5706e6 100644 --- a/src/ecmascript/quickjs/meson.build +++ b/src/ecmascript/quickjs/meson.build @@ -1 +1 @@ -srcs += files('screen.c', 'unibar.c', 'window.c') +srcs += files('navigator.c', 'screen.c', 'unibar.c', 'window.c') diff --git a/src/ecmascript/quickjs/navigator.c b/src/ecmascript/quickjs/navigator.c new file mode 100644 index 00000000..dc2f6023 --- /dev/null +++ b/src/ecmascript/quickjs/navigator.c @@ -0,0 +1,193 @@ +/* The Quickjs navigator object implementation. */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include + +#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; +} diff --git a/src/ecmascript/quickjs/navigator.h b/src/ecmascript/quickjs/navigator.h new file mode 100644 index 00000000..c14f8610 --- /dev/null +++ b/src/ecmascript/quickjs/navigator.h @@ -0,0 +1,6 @@ +#ifndef EL__ECMASCRIPT_QUICKJS_NAVIGATOR_H +#define EL__ECMASCRIPT_QUICKJS_NAVIGATOR_H + +#include +int js_navigator_init(JSContext *ctx, JSValue global_obj); +#endif diff --git a/test/ecmascript/navigator.html b/test/ecmascript/navigator.html new file mode 100644 index 00000000..a8bfcdf2 --- /dev/null +++ b/test/ecmascript/navigator.html @@ -0,0 +1,16 @@ + + + + + + + +