diff options
author | Andreas Kling <kling@serenityos.org> | 2022-03-21 20:37:49 +0100 |
---|---|---|
committer | Andreas Kling <kling@serenityos.org> | 2022-03-21 20:37:49 +0100 |
commit | ac8a8459d07a96fe368f4e84b56f4db440f7d289 (patch) | |
tree | b8048719a8c5fd43c52e2d6dac71a884146337a4 /Userland/Libraries/LibWeb/DOM | |
parent | 3b6323340aa3c955f0e39e6a97b52fa79755bace (diff) | |
download | serenity-ac8a8459d07a96fe368f4e84b56f4db440f7d289.zip |
LibWeb: Don't allow setting Range start/end to document being destroyed
Diffstat (limited to 'Userland/Libraries/LibWeb/DOM')
-rw-r--r-- | Userland/Libraries/LibWeb/DOM/Document.h | 2 | ||||
-rw-r--r-- | Userland/Libraries/LibWeb/DOM/Range.cpp | 7 |
2 files changed, 9 insertions, 0 deletions
diff --git a/Userland/Libraries/LibWeb/DOM/Document.h b/Userland/Libraries/LibWeb/DOM/Document.h index 079d4e95aa..dc6211beed 100644 --- a/Userland/Libraries/LibWeb/DOM/Document.h +++ b/Userland/Libraries/LibWeb/DOM/Document.h @@ -338,6 +338,8 @@ public: bool needs_full_style_update() const { return m_needs_full_style_update; } void set_needs_full_style_update(bool b) { m_needs_full_style_update = b; } + bool in_removed_last_ref() const { return m_in_removed_last_ref; } + private: explicit Document(const AK::URL&); diff --git a/Userland/Libraries/LibWeb/DOM/Range.cpp b/Userland/Libraries/LibWeb/DOM/Range.cpp index 6ed57abe02..127b0ef659 100644 --- a/Userland/Libraries/LibWeb/DOM/Range.cpp +++ b/Userland/Libraries/LibWeb/DOM/Range.cpp @@ -129,6 +129,13 @@ static RelativeBoundaryPointPosition position_of_boundary_point_relative_to_othe ExceptionOr<void> Range::set_start_or_end(Node& node, u32 offset, StartOrEnd start_or_end) { + // FIXME: If the incoming node is part of a document that's in the process of being destroyed, + // we just ignore this. This prevents us from trying to re-ref a document during its + // destruction process. This is a hack and should be replaced with some smarter form + // of lifetime management. + if (node.document().in_removed_last_ref()) + return {}; + // To set the start or end of a range to a boundary point (node, offset), run these steps: // 1. If node is a doctype, then throw an "InvalidNodeTypeError" DOMException. |