layout/generic/test/test_image_selection_in_contenteditable.html
author Stanca Serban <sstanca@mozilla.com>
Fri, 25 Nov 2022 18:35:18 +0200
changeset 643645 8b092cca2cab001ed8d13fc83d17bdba39cffe0d
parent 475363 6b67f75de3e30aa9b0e1940c46f058628dfe43ec
permissions -rw-r--r--
Backed out changeset dab070a6ba77 (bug 1802125) for causing wpt failures on /clipboard-apis. CLOSED TREE

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1551185
-->
  <head>
    <meta charset="utf-8">
    <title>Test for Bug 1551185</title>
    <script src="/tests/SimpleTest/SimpleTest.js"></script>
    <script src="/tests/SimpleTest/WindowSnapshot.js"></script>
    <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
    <style>
      #editor:focus {
        outline: none;
      }
    </style>
  </head>
  <body>
    <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1551185">Mozilla Bug 1551185</a>
    <p id="display"></p>
    <div id="editor"><img id="img1" src="blue-32x32.png"><img id="img2" src="blue-32x32.png"></div>
    <div id="content" style="display: none"></div>
    <pre id="test">
      <script type="application/javascript">
        SimpleTest.waitForExplicitFinish();
        SimpleTest.waitForFocus(() => {
          let selection = window.getSelection();
          let selectionController =
              SpecialPowers.wrap(window)
                           .docShell
                           .QueryInterface(SpecialPowers.Ci.nsIInterfaceRequestor)
                           .getInterface(SpecialPowers.Ci.nsISelectionDisplay)
                           .QueryInterface(SpecialPowers.Ci.nsISelectionController);
          let editor = document.getElementById("editor");
          let img1 = document.getElementById("img1");
          let img2 = document.getElementById("img2");
          // First, take snapshot without selection.
          selection.removeAllRanges();
          const kSnapshotWithoutSelection = snapshotWindow(window);
          // Next, take snapshot of selected both images.
          selection.setBaseAndExtent(editor, 0, editor, 2);
          const kSnapshotBothImagesSelected = snapshotWindow(window);
          // Next, take snapshot of selected the last image.
          selection.setBaseAndExtent(editor, 1, editor, 2);
          const kSnapshotLastImageSelected = snapshotWindow(window);

          editor.contentEditable = true;
          editor.focus();

          document.execCommand("enableObjectResizing", false, false);
          selection.collapse(editor, 2);
          selectionController.characterMove(false, true);
          // When object resizing is disabled, <img> elements should be rendered
          // as selected if they are in selection ranges.
          assertSnapshots(snapshotWindow(window), kSnapshotLastImageSelected, true, null,
                          "Selects only the last image when object resizing is disabled", "");
          selectionController.characterMove(false, true);
          assertSnapshots(snapshotWindow(window), kSnapshotBothImagesSelected, true, null,
                          "Selects both the images when object resizing is disabled", "");

          document.execCommand("enableObjectResizing", false, true);
          selection.collapse(editor, 2);
          // When an <img> element is selected, it should become target of resizers.
          // At this time, the image shouldn't be rendered as selected but there should
          // be resizers.  I.e., shouldn't match with kSnapshotWithoutSelection nor
          // kSnapshotLastImageSelected.
          selectionController.characterMove(false, true);
          assertSnapshots(snapshotWindow(window), kSnapshotLastImageSelected, false, null,
                          "Selects only the last image when object resizing is enabled",
                          "(compared with the last image selected snapshot)");
          assertSnapshots(snapshotWindow(window), kSnapshotWithoutSelection, false, null,
                          "Selects only the last image when object resizing is enabled",
                          "(compared without no selection)");
          // If not only one <img> element is selected, selected <img> elements should
          // be rendered as selected normally.
          selectionController.characterMove(false, true);
          assertSnapshots(snapshotWindow(window), kSnapshotBothImagesSelected, true, null,
                          "Selects both the images when object resizing is enabled");

          SimpleTest.finish();
        });
      </script>
    </pre>
  </body>
</html>