userLists feature added

Author: cs-mshah

src/background.js

@@ -2,6 +2,7 @@
 chrome.runtime.onInstalled.addListener(() => {
     chrome.storage.sync.set({
         'blogEntries': true,
-        'problemset': true
+        'problemset': true,
+        'userLists': '' 
     });
 });

src/blogEntries.js

@@ -39,7 +39,6 @@ chrome.storage.sync.get('blogEntries', function(data){
         },
         // prevent form submit
         keydown : function(event) {
-
             if (event.keyCode == 13) {
                 event.preventDefault();
                 return false;

src/manifest.json

@@ -52,6 +52,23 @@
         "https://*.codeforces.com/contest/*/problem/*"
       ],
       "run_at": "document_idle"
+    },
+    {
+      "all_frames": false,
+      "js": [
+        "./scripts/jquery-3.6.0.min.js",
+        "userLists.js"
+      ],
+      "matches": [
+        "https://*.codeforces.com/problemset",
+        "https://*.codeforces.com/problemset/status",
+        "https://*.codeforces.com/problemset/standings",
+        "https://*.codeforces.com/problemsets/acmsguru",
+        "https://*.codeforces.com/problemsets/acmsguru/status",
+        "https://*.codeforces.com/problemsets/acmsguru/standings",
+        "https://*.codeforces.com/contests"
+      ],
+      "run_at": "document_start"
     }
   ]
 }

src/popup/popup.css

@@ -57,4 +57,8 @@ h1, h2{
 
 input[type="checkbox"] {
   float: right;
+}
+
+input[type="text"] {
+  width: 120px;
 }

src/popup/popup.html

@@ -27,6 +27,10 @@ <h2 class="title">Toggle features</h2>
             <span class="name">customize problemset problems page</span>
             <input id="problemset" type="checkbox">
           </li>
+          <li>
+            <span class="name">Use List (leave empty for none)</span><br>
+            List Key: <input id="userLists" type="text">
+          </li>
         </ul>
       </div>
     </div>

src/popup/popup.js

@@ -16,4 +16,16 @@ $(document).ready(function(){
         save[String(event.target.id)] = val;
         chrome.storage.sync.set(save);
     });
+
+    // sync userList state
+    chrome.storage.sync.get('userLists', function(data){
+        $('#userLists').val(data.userLists);
+    });
+
+    // set userList
+    $('#userLists').keydown(function(event){
+        if (event.keyCode == 13) {
+            chrome.storage.sync.set({'userLists': $('#userLists').val()});
+        }
+    });
 });

src/userLists.js

@@ -0,0 +1,9 @@
+chrome.storage.sync.get('userLists', function(data){
+    // if no userList set, return, else inject script
+    if(data.userLists=='') {
+        return;
+    }
+    const currentURL = window.location.href;
+    var listURL = currentURL + '?list=' + data.userLists;
+    window.location.replace(listURL); //redirect using list
+});