From: Benjamin Auder <benjamin.auder@somewhere>
Date: Thu, 20 Dec 2018 08:55:16 +0000 (+0100)
Subject: Fix promotion bug on smartphones
X-Git-Url: https://git.auder.net/doc/html/pieces/css/scripts/getGraph_%22%20%20%20this.image%20%20%20%22.php?a=commitdiff_plain;h=2807f530f7d9d7675497974fa95aa7ecdd5d144c;p=vchess.git

Fix promotion bug on smartphones
---

diff --git a/package-lock.json b/package-lock.json
index 555c0d82..cc552a26 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1948,12 +1948,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -1968,17 +1970,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2095,7 +2100,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2107,6 +2113,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2121,6 +2128,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -2128,12 +2136,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -2152,6 +2162,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2232,7 +2243,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2244,6 +2256,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2365,6 +2378,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
diff --git a/public/javascripts/components/game.js b/public/javascripts/components/game.js
index a17876da..17f3b18d 100644
--- a/public/javascripts/components/game.js
+++ b/public/javascripts/components/game.js
@@ -257,7 +257,11 @@ Vue.component('my-game', {
 								attrs: { "src": '/images/pieces/' +
 									VariantRules.getPpath(m.appear[0].c+m.appear[0].p) + '.svg' },
 								'class': { 'choice-piece': true },
-								on: { "click": e => { this.play(m); this.choices=[]; } },
+								on: {
+									"click": e => { this.play(m); this.choices=[]; },
+									// NOTE: add 'touchstart' event to fix a problem on smartphones
+									"touchstart": e => { this.play(m); this.choices=[]; },
+								},
 							})
 						]
 					);
diff --git a/sockets.js b/sockets.js
index c130dd78..2d9117d2 100644
--- a/sockets.js
+++ b/sockets.js
@@ -2,6 +2,17 @@ const url = require('url');
 const sqlite3 = require('sqlite3');
 const db = new sqlite3.Database('db/vchess.sqlite');
 
+// Node version in Ubuntu 16.04 does not know about URL class
+function getJsonFromUrl(url) {
+	var query = url.substr(2); //starts with "/?"
+	var result = {};
+	query.split("&").forEach(function(part) {
+		var item = part.split("=");
+		result[item[0]] = decodeURIComponent(item[1]);
+	});
+	return result;
+}
+
 module.exports = function(wss) {
 	db.serialize(function() {
 		db.all("SELECT * FROM Variants", (err,variants) => {
@@ -12,9 +23,12 @@ module.exports = function(wss) {
 			// No-op function as a callback when sending messages
 			const noop = () => { };
 			wss.on("connection", (socket, req) => {
-				const params = new URL("http://localhost" + req.url).searchParams;
-				const sid = params.get("sid");
-				const page = params.get("page");
+//				const params = new URL("http://localhost" + req.url).searchParams;
+//				const sid = params.get("sid");
+//				const page = params.get("page");
+				var query = getJsonFromUrl(req.url);
+				const sid = query["sid"];
+				const page = query["page"];
 				// Ignore duplicate connections:
 				if (!!clients[page][sid])
 				{