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Bug 1837268, update inline spellchecker when text data is modified, r=masayuki

Browse Source 
Using the test for bug 1602526 as the basis for the new test but tweaking it by
adding the event listener used in the first testcase of the bug.

Differential Revision: https://phabricator.services.mozilla.com/D184987
This commit is contained in:
Olli Pettay 2023-08-03 09:25:44 +00:00
parent 070c1a117c
commit ed29a8210b
4 changed files with 99 additions and 0 deletions
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18
editor/libeditor/HTMLEditor.cpp
View File

@ -4547,6 +4547,24 @@ MOZ_CAN_RUN_SCRIPT_BOUNDARY void HTMLEditor::ContentRemoved(
}
}
MOZ_CAN_RUN_SCRIPT_BOUNDARY void HTMLEditor::CharacterDataChanged(
nsIContent* aContent, const CharacterDataChangeInfo& aInfo) {
if (!mInlineSpellChecker || !aContent->IsEditable() ||
!IsInObservedSubtree(aContent) ||
GetTopLevelEditSubAction() != EditSubAction::eNone) {
return;
}
nsIContent* parent = aContent->GetParent();
if (!parent || !parent->InclusiveDescendantMayNeedSpellchecking(this)) {
return;
}
RefPtr<nsRange> range = nsRange::Create(aContent);
range->SelectNodesInContainer(parent, aContent, aContent);
DebugOnly<nsresult> rvIgnored = mInlineSpellChecker->SpellCheckRange(range);
}
nsresult HTMLEditor::SelectEntireDocument() {
MOZ_ASSERT(IsEditActionDataAvailable());

1
editor/libeditor/HTMLEditor.h
View File

@ -102,6 +102,7 @@ class HTMLEditor final : public EditorBase,
NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED
// nsIHTMLEditor methods
NS_DECL_NSIHTMLEDITOR

1
editor/spellchecker/tests/mochitest.ini
View File

@ -42,6 +42,7 @@ skip-if = true
[test_bug1602526.html]
[test_bug1761273.html]
[test_bug1773802.html]
[test_bug1837268.html]
[test_bug366682.html]
[test_bug432225.html]
[test_bug484181.html]

79
editor/spellchecker/tests/test_bug1837268.html Normal file
View File

@ -0,0 +1,79 @@
<!DOCTYPE html>
<html>
<head>
<title>Mozilla bug 1837268</title>
<link rel=stylesheet href="/tests/SimpleTest/test.css">
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/editor/spellchecker/tests/spellcheck.js"></script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1837268">Mozilla Bug 1837268</a>
<p id="display"></p>
<div id="content" style="display: none;">
</div>
<div id="contenteditable" contenteditable=true>aabbcc</div>
<script>
const { maybeOnSpellCheck } = SpecialPowers.ChromeUtils.importESModule(
"resource://testing-common/AsyncSpellCheckTestHelper.sys.mjs"
);
SimpleTest.waitForExplicitFinish();
function getEditor() {
return SpecialPowers.wrap(window).docShell.editor;
}
SimpleTest.waitForFocus(async () => {
let contenteditable = document.getElementById("contenteditable");
contenteditable.addEventListener("beforeinput", (ev) => {
ev.preventDefault();
let text = contenteditable.textContent;
const sel = window.getSelection();
let offset = sel.anchorOffset;
switch (ev.inputType) {
case "insertText":
text = text.substring(0, offset) + ev.data + text.substring(offset);
offset += 1;
break;
case "deleteContentBackward":
text = text.substring(0, offset - 1) + text.substring(offset);
offset -= 1;
break;
default:
return;
}
if (contenteditable.firstChild) {
contenteditable.firstChild.nodeValue = text;
} else {
contenteditable.textContent = text;
}
sel.collapse(contenteditable.firstChild ?? contenteditable, offset);
});
let misspelledWords = [];
misspelledWords.push("aabbc"); // One c removed.
contenteditable.focus();
window.getSelection().collapse(contenteditable.firstChild, contenteditable.firstChild.length);
// Run spell checker
await new Promise((resolve) => { maybeOnSpellCheck(contenteditable, resolve); });
synthesizeKey("KEY_Backspace");
synthesizeKey(" ");
await new Promise((resolve) => { maybeOnSpellCheck(contenteditable, resolve); });
let editor = getEditor();
// isSpellingCheckOk is defined in spellcheck.js
// eslint-disable-next-line no-undef
ok(isSpellingCheckOk(editor, misspelledWords), "correct word is selected as misspelled");
SimpleTest.finish();
});
</script>
</body>
</html>