feat(district): Add a method to insert warning in district courts

src/content.js

@@ -77,6 +77,10 @@ async function addRecapInformation(msg) {
     // creates a <form> element and calls submit() on it, so we hook into submit().
     content_delegate.handleSingleDocumentPageView();
 
+    // If this page offers a combined document, inserts a warning to let the user
+    // know this document is not supported.
+    content_delegate.handleCombinedPDFView();
+
     // If this is a Clams Register, we upload it to RECAP
     content_delegate.handleClaimsPageView();
 

src/content_delegate.js

@@ -682,6 +682,18 @@ ContentDelegate.prototype.handleZipFilePageView = function () {
   window.addEventListener('message', this.onDownloadAllSubmit.bind(this));
 };
 
+// If the page offers a combined document, inserts a warning to let
+// the user know this document won't be uploaded.
+ContentDelegate.prototype.handleCombinedPDFView = function () {
+  if (!PACER.isCombinedPdfPage(this.url, document)) {
+    return false;
+  }
+  // query the main div of the page
+  let mainDiv = document.getElementById(id='cmecfMainContent')
+  pdfWarning = combinedPdfWarning()
+  mainDiv.append(pdfWarning)
+};
+
 ContentDelegate.prototype.handleClaimsPageView = function () {
   // return if not a claims register page
   if (!PACER.isClaimsRegisterPage(this.url, document)) {