JS: Added Submenu support

applications/system/js_app/application.fam

@@ -62,3 +62,11 @@ App(
     requires=["js_app"],
     sources=["modules/js_usbdisk/*.c"],
 )
+
+App(
+    appid="js_submenu",
+    apptype=FlipperAppType.PLUGIN,
+    entry_point="js_submenu_ep",
+    requires=["js_app"],
+    sources=["modules/js_submenu.c"],
+)

applications/system/js_app/examples/apps/Scripts/submenu.js

@@ -0,0 +1,11 @@
+let submenu = require("submenu");
+
+submenu.addItem("Item 1", 0);
+submenu.addItem("Item 2", 1);
+submenu.addItem("Item 3", 2);
+
+submenu.setHeader("Select an option:");
+
+let result = submenu.show();
+
+print("Result: ", result);

applications/system/js_app/modules/js_submenu.c

@@ -0,0 +1,146 @@
+#include <gui/modules/submenu.h>
+#include <gui/view_dispatcher.h>
+#include <gui/view.h>
+#include "../js_modules.h"
+
+typedef struct {
+    Submenu* submenu;
+    ViewDispatcher* view_dispatcher;
+    uint32_t result;
+} JsSubmenuInst;
+
+static JsSubmenuInst* get_this_ctx(struct mjs* mjs) {
+    mjs_val_t obj_inst = mjs_get(mjs, mjs_get_this(mjs), INST_PROP_NAME, ~0);
+    JsSubmenuInst* storage = mjs_get_ptr(mjs, obj_inst);
+    furi_assert(storage);
+    return storage;
+}
+
+static void ret_bad_args(struct mjs* mjs, const char* error) {
+    mjs_prepend_errorf(mjs, MJS_BAD_ARGS_ERROR, "%s", error);
+    mjs_return(mjs, MJS_UNDEFINED);
+}
+
+static bool check_arg_count(struct mjs* mjs, size_t count) {
+    size_t num_args = mjs_nargs(mjs);
+    if(num_args != count) {
+        ret_bad_args(mjs, "Wrong argument count");
+        return false;
+    }
+    return true;
+}
+
+static bool get_str_arg(struct mjs* mjs, size_t index, const char** value) {
+    mjs_val_t str_obj = mjs_arg(mjs, index);
+    if(!mjs_is_string(str_obj)) {
+        ret_bad_args(mjs, "Argument must be a string");
+        return false;
+    }
+    size_t str_len = 0;
+    *value = mjs_get_string(mjs, &str_obj, &str_len);
+    if((str_len == 0) || (*value == NULL)) {
+        ret_bad_args(mjs, "Bad string argument");
+        return false;
+    }
+    return true;
+}
+
+static int32_t get_int_arg(struct mjs* mjs, size_t index, int32_t* value) {
+    mjs_val_t int_obj = mjs_arg(mjs, index);
+    if(!mjs_is_number(int_obj)) {
+        ret_bad_args(mjs, "Argument must be a number");
+        return false;
+    }
+    *value = mjs_get_int32(mjs, int_obj);
+    return true;
+}
+
+static void submenu_callback(void* context, uint32_t id) {
+    UNUSED(id);
+    JsSubmenuInst* submenu = context;
+    submenu->result = id;
+    view_dispatcher_stop(submenu->view_dispatcher);
+}
+
+static void js_submenu_add_item(struct mjs* mjs) {
+    JsSubmenuInst* submenu = get_this_ctx(mjs);
+    if(!check_arg_count(mjs, 2)) return;
+
+    const char* label;
+    if(!get_str_arg(mjs, 0, &label)) return;
+
+    int32_t id;
+    if(!get_int_arg(mjs, 1, &id)) return;
+
+    submenu_add_item(submenu->submenu, label, id, submenu_callback, submenu);
+
+    mjs_return(mjs, MJS_UNDEFINED);
+}
+
+static void js_submenu_set_header(struct mjs* mjs) {
+    JsSubmenuInst* submenu = get_this_ctx(mjs);
+    if(!check_arg_count(mjs, 1)) return;
+
+    const char* header;
+    if(!get_str_arg(mjs, 0, &header)) return;
+
+    submenu_set_header(submenu->submenu, header);
+
+    mjs_return(mjs, MJS_UNDEFINED);
+}
+
+static void js_submenu_show(struct mjs* mjs) {
+    JsSubmenuInst* submenu = get_this_ctx(mjs);
+    if(!check_arg_count(mjs, 0)) return;
+    submenu->result = 0;
+
+    view_dispatcher_attach_to_gui(
+        submenu->view_dispatcher, furi_record_open(RECORD_GUI), ViewDispatcherTypeFullscreen);
+    furi_record_close(RECORD_GUI);
+
+    view_dispatcher_switch_to_view(submenu->view_dispatcher, 0);
+
+    view_dispatcher_run(submenu->view_dispatcher);
+
+    submenu_reset(submenu->submenu);
+
+    mjs_return(mjs, mjs_mk_number(mjs, submenu->result));
+}
+
+static void* js_submenu_create(struct mjs* mjs, mjs_val_t* object) {
+    JsSubmenuInst* submenu = malloc(sizeof(JsSubmenuInst));
+    mjs_val_t submenu_obj = mjs_mk_object(mjs);
+    mjs_set(mjs, submenu_obj, INST_PROP_NAME, ~0, mjs_mk_foreign(mjs, submenu));
+    mjs_set(mjs, submenu_obj, "addItem", ~0, MJS_MK_FN(js_submenu_add_item));
+    mjs_set(mjs, submenu_obj, "setHeader", ~0, MJS_MK_FN(js_submenu_set_header));
+    mjs_set(mjs, submenu_obj, "show", ~0, MJS_MK_FN(js_submenu_show));
+    submenu->submenu = submenu_alloc();
+    submenu->view_dispatcher = view_dispatcher_alloc();
+    view_dispatcher_enable_queue(submenu->view_dispatcher);
+    view_dispatcher_add_view(submenu->view_dispatcher, 0, submenu_get_view(submenu->submenu));
+    *object = submenu_obj;
+    return submenu;
+}
+
+static void js_submenu_destroy(void* inst) {
+    JsSubmenuInst* submenu = inst;
+    submenu_free(submenu->submenu);
+    view_dispatcher_free(submenu->view_dispatcher);
+    free(submenu);
+}
+
+static const JsModuleDescriptor js_submenu_desc = {
+    "submenu",
+    js_submenu_create,
+    js_submenu_destroy,
+};
+
+static const FlipperAppPluginDescriptor submenu_plugin_descriptor = {
+    .appid = PLUGIN_APP_ID,
+    .ep_api_version = PLUGIN_API_VERSION,
+    .entry_point = &js_submenu_desc,
+};
+
+const FlipperAppPluginDescriptor* js_submenu_ep(void) {
+    return &submenu_plugin_descriptor;
+}