diff options
Diffstat (limited to 'gjs/promise.cpp')
| -rw-r--r-- | gjs/promise.cpp | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/gjs/promise.cpp b/gjs/promise.cpp index 74127960..39939aa9 100644 --- a/gjs/promise.cpp +++ b/gjs/promise.cpp @@ -9,6 +9,7 @@ #include <gio/gio.h> #include <glib-object.h> +#include <js/CallAndConstruct.h> // for JS::IsCallable #include <js/CallArgs.h> #include <js/PropertyAndElement.h> // for JS_DefineFunctions #include <js/PropertySpec.h> @@ -17,6 +18,7 @@ #include <jsapi.h> // for JS_NewPlainObject #include "gjs/context-private.h" +#include "gjs/jsapi-util-args.h" #include "gjs/jsapi-util.h" #include "gjs/macros.h" #include "gjs/promise.h" @@ -195,8 +197,36 @@ bool drain_microtask_queue(JSContext* cx, unsigned argc, JS::Value* vp) { return true; } +GJS_JSAPI_RETURN_CONVENTION +bool set_main_loop_hook(JSContext* cx, unsigned argc, JS::Value* vp) { + JS::CallArgs args = JS::CallArgsFromVp(argc, vp); + + JS::RootedObject callback(cx); + if (!gjs_parse_call_args(cx, "setMainLoopHook", args, "o", "callback", + &callback)) { + return false; + } + + if (!JS::IsCallable(callback)) { + gjs_throw(cx, "Main loop hook must be callable"); + return false; + } + + GjsContextPrivate* priv = GjsContextPrivate::from_cx(cx); + if (!priv->set_main_loop_hook(callback)) { + gjs_throw( + cx, + "A mainloop is already running. Did you already call runAsync()?"); + return false; + } + + args.rval().setUndefined(); + return true; +} + JSFunctionSpec gjs_native_promise_module_funcs[] = { - JS_FN("drainMicrotaskQueue", &drain_microtask_queue, 0, 0), JS_FS_END}; + JS_FN("drainMicrotaskQueue", &drain_microtask_queue, 0, 0), + JS_FN("setMainLoopHook", &set_main_loop_hook, 1, 0), JS_FS_END}; bool gjs_define_native_promise_stuff(JSContext* cx, JS::MutableHandleObject module) { |