From dd8de100acda322f2124c58163ecde6f1b37d61d Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <koszko@koszko.org>
Date: Tue, 11 Jan 2022 15:43:40 +0100
Subject: add missing payload_create test and styling

---
 html/dialog.js | 64 ++++++++++++++++++++++++++++++----------------------------
 1 file changed, 33 insertions(+), 31 deletions(-)

(limited to 'html/dialog.js')

diff --git a/html/dialog.js b/html/dialog.js
index 22e8aa9..c4bba5d 100644
--- a/html/dialog.js
+++ b/html/dialog.js
@@ -42,7 +42,6 @@
  */
 
 #FROM html/DOM_helpers.js IMPORT clone_template
-#FROM common/lock.js IMPORT make_lock, lock, try_lock, unlock
 
 function make(on_dialog_show, on_dialog_hide)
 {
@@ -51,9 +50,7 @@ function make(on_dialog_show, on_dialog_hide)
 	on_dialog_show,
 	on_dialog_hide,
 	shown: false,
-	queue: 0,
-	lock: make_lock(),
-	callback: null
+	queue: [],
     });
 
     for (const [id, val] of [["yes", true], ["no", false], ["ok", undefined]]) {
@@ -68,33 +65,30 @@ function make(on_dialog_show, on_dialog_hide)
 
 function close_dialog(dialog_context, event)
 {
-    if (event && event.target.parentElement.classList.contains("hide"))
+    if ((event && event.target.parentElement.classList.contains("hide")) ||
+       dialog_context.queue.length === 0)
 	return;
 
-    const result = event ? event.target.haketilo_dialog_result : undefined;
+    const [[shown_buts_id, msg, resolve]] = dialog_context.queue.splice(0, 1);
 
-    if (dialog_context.queue > 0)
-	dialog_context.callback(result);
+    if (dialog_context.queue.length > 0) {
+	process_queue_item(dialog_context);
+    } else {
+	dialog_context.shown = false;
+	try {
+	    dialog_context.on_dialog_hide();
+	} catch(e) {
+	    console.error(e);
+	}
+    }
+
+    resolve(event ? event.target.haketilo_dialog_result : undefined);
 }
 #EXPORT  close_dialog  AS close
 
-async function show_dialog(dialog_context, shown_buts_id, msg)
+function process_queue_item(dialog_context)
 {
-    dialog_context.queue++;
-
-    if (!dialog_context.shown) {
-	dialog_context.shown = true;
-	dialog_context.on_dialog_show();
-    }
-
-    /*
-     * We want the dialog to be ready for calling close() right after
-     * show_dialog() gets called. For this, we want locking to happen
-     * synchronously if possible. If impossible (lock taken), this means dialog
-     * is already open, hence it's also ready for close()'ing.
-     */
-    if (!try_lock(dialog_context.lock))
-	await lock(dialog_context.lock);
+    const [shown_buts_id, msg, resolve] = dialog_context.queue[0];
 
     [...dialog_context.msg.childNodes].forEach(n => n.remove());
     dialog_context.msg.append(...msg);
@@ -102,17 +96,25 @@ async function show_dialog(dialog_context, shown_buts_id, msg)
 	const action = buts_id === shown_buts_id ? "remove" : "add";
 	dialog_context[buts_id].classList[action]("hide");
     }
+}
 
-    const result = await new Promise(cb => dialog_context.callback = cb);
+async function show_dialog(dialog_context, shown_buts_id, msg)
+{
+    let resolve;
+    const result_prom = new Promise(cb => resolve = cb);
+    dialog_context.queue.push([shown_buts_id, msg, resolve]);
 
-    if (--dialog_context.queue == 0) {
-	dialog_context.shown = false;
-	dialog_context.on_dialog_hide();
+    if (!dialog_context.shown) {
+	process_queue_item(dialog_context);
+	dialog_context.shown = true;
+	try {
+	    dialog_context.on_dialog_show();
+	} catch(e) {
+	    console.error(e);
+	}
     }
 
-    unlock(dialog_context.lock);
-
-    return result;
+    return await result_prom;
 }
 
 const error = (ctx, ...msg) => show_dialog(ctx, "conf_buts", msg);
-- 
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