bool JoinNodeTransaction::CanDoIt() const { if (NS_WARN_IF(!mLeftNode) || NS_WARN_IF(!mRightNode) || NS_WARN_IF(!mEditorBase) || !mLeftNode->GetParentNode()) { return false; } return mEditorBase->IsModifiableNode(*mLeftNode->GetParentNode()); }
bool DeleteTextTransaction::CanDoIt() const { if (NS_WARN_IF(!mCharData) || NS_WARN_IF(!mEditorBase)) { return false; } return mEditorBase->IsModifiableNode(*mCharData); }