editor/libeditor/tests/test_pasteImgFromTransferable.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="/tests/SimpleTest/SimpleTest.js"></script>
   5 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
   6 </head>
   7
   8 <body>
   9 <div id="edit" contenteditable></div>
  10
  11 <script>
  12 const Cc = SpecialPowers.Cc;
  13 const Ci = SpecialPowers.Ci;
  14
  15 function getHTMLEditor(aWindow) {
  16   let editingSession = SpecialPowers.wrap(aWindow).docShell.editingSession;
  17   if (!editingSession) {
  18     return null;
  19   }
  20   let editor = editingSession.getEditorForWindow(aWindow);
  21   if (!editor) {
  22     return null;
  23   }
  24   return editor.QueryInterface(Ci.nsIHTMLEditor);
  25 }
  26
  27 const TESTS = [
  28   {
  29     mimeType: "image/gif",
  30     base64: "R0lGODdhAQACAPABAAD/AP///ywAAAAAAQACAAACAkQKADs="
  31   },
  32   {
  33     mimeType: "image/jpeg",
  34     base64: "/9j/4AAQSkZJRgABAQEASABIAAD/2wBDAP//////////////////////////////////////////////////////////////////////////////////////wgALCAABAAEBAREA/8QAFBABAAAAAAAAAAAAAAAAAAAAAP/aAAgBAQABPxA="
  35   },
  36   {
  37     mimeType: "image/png",
  38     base64: "iVBORw0KGgoAAAANSUhEUgAAAAYAAAAGCAIAAABvrngfAAAAFklEQVQImWMwjWhCQwxECoW3oCHihAB0LyYv5/oAHwAAAABJRU5ErkJggg=="
  39   },
  40 ];
  41
  42 add_task(async function() {
  43   await new Promise(resolve => SimpleTest.waitForFocus(resolve, window));
  44
  45   let edit = document.getElementById("edit");
  46   edit.focus();
  47
  48   await new Promise(resolve => SimpleTest.executeSoon(resolve));
  49
  50   for (const test of TESTS) {
  51     let bin = window.atob(test.base64);
  52     let stringStream = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(
  53       Ci.nsIStringInputStream
  54     );
  55     stringStream.setData(bin, bin.length);
  56
  57     let trans = Cc["@mozilla.org/widget/transferable;1"].createInstance(
  58       Ci.nsITransferable
  59     );
  60     trans.init(null);
  61     trans.setTransferData(test.mimeType, stringStream);
  62
  63     getHTMLEditor(window).pasteTransferable(trans);
  64
  65     is(edit.innerHTML,
  66        "<img src=\"data:" + test.mimeType + ";base64," + test.base64 + "\" alt=\"\">",
  67        "pastedTransferable pastes image as data URL");
  68     edit.innerHTML = "";
  69   }
  70 });
  71 </script>
  72 </body>
  73 </html>