add user defined blacklist

Moving some of the previously blacklisted sites to user controlled
blacklist. Remaining sites in manifest are blocked due to interop
issues.

Closes #121.

inject.js

@@ -1,5 +1,4 @@
 chrome.extension.sendMessage({}, function(response) {
-
   var tc = {
     settings: {
       speed: 1.0,           // default 1x
@@ -11,7 +10,13 @@ chrome.extension.sendMessage({}, function(response) {
       fasterKeyCode: 68,    // default: D
       rewindKeyCode: 90,    // default: Z
       advanceKeyCode: 88,   // default: X
-      rememberSpeed: false // default: false
+      rememberSpeed: false, // default: false
+      blacklist: `
+        www.instagram.com
+        www.twitter.com
+        vine.co
+        imgur.com
+      `.replace(/^\s+|\s+$/gm,'')
     }
   };
 
@@ -26,6 +31,9 @@ chrome.extension.sendMessage({}, function(response) {
     tc.settings.fasterKeyCode = Number(storage.fasterKeyCode);
     tc.settings.advanceKeyCode = Number(storage.advanceKeyCode);
     tc.settings.rememberSpeed = Boolean(storage.rememberSpeed);
+    tc.settings.blacklist = String(storage.blacklist);
+
+    initializeWhenReady(document);
   });
 
   var forEach = Array.prototype.forEach;
@@ -122,6 +130,29 @@ chrome.extension.sendMessage({}, function(response) {
   }
 
   function initializeWhenReady(document) {
+    escapeStringRegExp.matchOperatorsRe = /[|\\{}()[\]^$+*?.]/g;
+    function escapeStringRegExp(str) {
+      return str.replace(escapeStringRegExp.matchOperatorsRe, '\\$&');
+    }
+
+    var blacklisted = false;
+    tc.settings.blacklist.split("\n").forEach(match => {
+      match = match.replace(/^\s+|\s+$/g,'')
+      if (match.length == 0) {
+        return;
+      }
+
+      var regexp = new RegExp(escapeStringRegExp(match));
+      if (regexp.test(location.href)) {
+        console.log("SKIP", regexp, location.href)
+        blacklisted = true;
+        return;
+      }
+    })
+
+    if (blacklisted)
+      return;
+
     var readyStateCheckInterval = setInterval(function() {
       if (document.readyState === 'complete') {
         clearInterval(readyStateCheckInterval);
@@ -265,6 +296,4 @@ chrome.extension.sendMessage({}, function(response) {
       animation = false;
     }, 2000);
   }
-
-  initializeWhenReady(document);
 });

manifest.json

@@ -1,7 +1,7 @@
 {
   "name": "Video Speed Controller",
   "short_name": "videospeed",
-  "version": "0.3.1",
+  "version": "0.3.3",
   "manifest_version": 2,
   "description": "Speed up, slow down, advance and rewind any HTML5 video with quick shortcuts.",
   "homepage_url": "https://github.com/igrigorik/videospeed",
@@ -27,11 +27,8 @@
         "https://plus.google.com/hangouts/*",
         "https://hangouts.google.com/hangouts/*",
         "https://teamtreehouse.com/*",
-        "https://www.instagram.com/*",
-        "https://www.twitter.com/*",
         "https://www.lynda.com/*",
-        "http://www.hitbox.tv/*",
+        "http://www.hitbox.tv/*"
-        "https://vine.co/*"
       ],
       "css": [ "inject.css" ],
       "js":  [ "inject.js" ]

options.css

@@ -81,6 +81,7 @@ input[type="text"] {
 label {
     display: inline-block;
     width: 170px;
+    vertical-align: top;
 }
 
 label[for=rememberSpeed] {

options.html

@@ -35,7 +35,7 @@
     </section>
 
     <section>
-			<h3>Others</h3>
+			<h3>Other</h3>
   		<div class="row">
           <label for="rewindTime">Rewind Time (s)</label>
           <input id="rewindTime" type="text" value=""/>
@@ -52,6 +52,10 @@
           <label for="rememberSpeed">Remember Playback Speed</label>
           <input id="rememberSpeed" type="checkbox"/>
       </div>
+      <div class="row">
+          <label for="blacklist">Blacklisted sites on which extension is disabled<br/>(one per line)</label>
+          <textarea id="blacklist" rows="10" cols="50"></textarea>
+      </div>
     </section>
 
     <button id="save">Save</button>

options.js

@@ -8,7 +8,13 @@ var tcDefaults = {
   fasterKeyCode: 68,    // default: D
   rewindKeyCode: 90,    // default: Z
   advanceKeyCode: 88,   // default: X
-  rememberSpeed: false // default: false
+  rememberSpeed: false, // default: false
+  blacklist: `
+    www.instagram.com
+    www.twitter.com
+    vine.co
+    imgur.com
+  `.replace(/^\s+|\s+$/gm,'')
 };
 
 var keyCodeAliases = {
@@ -90,6 +96,7 @@ function save_options() {
   var slowerKeyCode = document.getElementById('slowerKeyInput').keyCode;
   var fasterKeyCode = document.getElementById('fasterKeyInput').keyCode;
   var rememberSpeed = document.getElementById('rememberSpeed').checked;
+  var blacklist     = document.getElementById('blacklist').value;
 
   speedStep     = isNaN(speedStep) ? tcDefaults.speedStep : Number(speedStep);
   rewindTime    = isNaN(rewindTime) ? tcDefaults.rewindTime : Number(rewindTime);
@@ -109,7 +116,8 @@ function save_options() {
     advanceKeyCode: advanceKeyCode,
     slowerKeyCode:  slowerKeyCode,
     fasterKeyCode:  fasterKeyCode,
-    rememberSpeed:  rememberSpeed
+    rememberSpeed:  rememberSpeed,
+    blacklist:      blacklist.replace(/^\s+|\s+$/gm,'')
   }, function() {
     // Update status to let user know options were saved.
     var status = document.getElementById('status');
@@ -132,6 +140,7 @@ function restore_options() {
     updateShortcutInputText('slowerKeyInput', storage.slowerKeyCode);
     updateShortcutInputText('fasterKeyInput', storage.fasterKeyCode);
     document.getElementById('rememberSpeed').checked = storage.rememberSpeed;
+    document.getElementById('blacklist').value = storage.blacklist;
   });
 }