From 7249325100ce5d373d7da8b3e14ea8283a56eef9 Mon Sep 17 00:00:00 2001
From: pacien
Date: Mon, 23 Oct 2023 21:24:11 +0200
Subject: add button to start presentation

Instead of automatically starting after selecting a file.
This pleases Chrome's popup blocker, which no longer blocks it.
Firefox isn't smart enough to establish the click causality link though.
---
 beamer/viewer/viewer.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'beamer')

diff --git a/beamer/viewer/viewer.js b/beamer/viewer/viewer.js
index 414ff1c..065298a 100644
--- a/beamer/viewer/viewer.js
+++ b/beamer/viewer/viewer.js
@@ -21,6 +21,8 @@
 class Viewer {
   constructor() {
     this.fileInput = document.getElementById("fileInput");
+    this.startButton = document.getElementById("startButton");
+
     this._listenForInput();
   }
 
@@ -47,8 +49,12 @@ class Viewer {
 
   _listenForInput() {
     const self = this;
-    fileInput.addEventListener("change", function(event) {
-      self._readFile(event.target.files[0]);
+    fileInput.addEventListener("change", function(_event) {
+      self.startButton.disabled = false;
+    });
+
+    startButton.addEventListener("click", function(_event) {
+      self._readFile(self.fileInput.files[0]);
     });
 
     document.body.addEventListener("drop", function(event) {
-- 
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