From 5c30b8700e16323b3af7d27369818c7a02fdefee Mon Sep 17 00:00:00 2001
From: pacien
Date: Thu, 19 Jul 2018 02:44:18 +0200
Subject: Read local file
---
pointless/viewer/viewer.css | 10 +++++++---
pointless/viewer/viewer.js | 41 +++++++++++++++++++++++++++++++++++++----
viewer.html | 3 ++-
3 files changed, 46 insertions(+), 8 deletions(-)
diff --git a/pointless/viewer/viewer.css b/pointless/viewer/viewer.css
index 14db376..bea73e6 100644
--- a/pointless/viewer/viewer.css
+++ b/pointless/viewer/viewer.css
@@ -8,10 +8,15 @@
body {
background-color: black;
color: white;
+ font-family: sans-serif;
overflow: hidden;
}
-#screen {
+#fileInput {
+ display: none;
+}
+
+.centered {
position: absolute;
top: 50%;
left: 50%;
@@ -19,14 +24,13 @@ body {
}
.notification {
- position: absolute;
+ position: absolute;
bottom: 0;
left: 50%;
transform: translateX(-50%);
padding: 0.5rem 1rem;
border-radius: 1rem 1rem 0 0;
background-color: black;
- font-family: sans-serif;
font-size: 1.6rem;
}
diff --git a/pointless/viewer/viewer.js b/pointless/viewer/viewer.js
index 00c6f76..1c651fc 100644
--- a/pointless/viewer/viewer.js
+++ b/pointless/viewer/viewer.js
@@ -16,8 +16,41 @@ var params = function() {
return queryDict;
}();
-if (window.opener == null) {
- pdfjsLib.getDocument(params["file"]).then(function(pdf) {
- var presentation = new Presentation(pdf);
- });
+function isController() {
+ return window.opener == null || window.opener.location.href != window.location.href;
+}
+
+class Viewer {
+ constructor() {
+ this.fileInput = document.getElementById("fileInput");
+ this.fileInput.style.display = "block";
+
+ var self = this;
+ fileInput.addEventListener("change", function(event) {
+ var callback = function(file) { self._load(file) };
+ self._readFile(event.target.files[0], callback);
+ });
+
+ if ("file" in params)
+ this._load(params["file"]);
+ }
+
+ _load(source) {
+ this.fileInput.style.display = "none";
+ pdfjsLib.getDocument(source).then(function(pdf) {
+ var presentation = new Presentation(pdf);
+ });
+ }
+
+ _readFile(file, callback) {
+ var fileReader = new FileReader();
+ fileReader.onload = function() {
+ var byteArray = new Uint8Array(this.result);
+ callback(byteArray);
+ }
+
+ fileReader.readAsArrayBuffer(file);
+ }
}
+
+if (isController()) new Viewer();
diff --git a/viewer.html b/viewer.html
index f4c6dde..943bbce 100644
--- a/viewer.html
+++ b/viewer.html
@@ -15,7 +15,8 @@
-
+
+
--
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