NS_IMETHODIMP
TextEditRules::Notify(nsITimer* aTimer)
{
MOZ_ASSERT(mTimer);
// Check whether our text editor's password flag was changed before this
// "hide password character" timer actually fires.
nsresult rv = IsPasswordEditor() ? HideLastPWInput() : NS_OK;
ASSERT_PASSWORD_LENGTHS_EQUAL();
mLastLength = 0;
return rv;
}
nsresult
TextEditRules::WillSetText(Selection& aSelection,
bool* aCancel,
bool* aHandled,
const nsAString* aString,
int32_t aMaxLength)
{
MOZ_ASSERT(aCancel);
MOZ_ASSERT(aHandled);
MOZ_ASSERT(aString);
CANCEL_OPERATION_IF_READONLY_OR_DISABLED
*aHandled = false;
*aCancel = false;
if (NS_WARN_IF(!mTextEditor)) {
return NS_ERROR_FAILURE;
}
RefPtr<TextEditor> textEditor = mTextEditor;
if (!IsPlaintextEditor() || textEditor->IsIMEComposing() ||
aMaxLength != -1) {
// SetTextImpl only supports plain text editor without IME.
return NS_OK;
}
if (IsPasswordEditor() && LookAndFeel::GetEchoPassword() &&
!DontEchoPassword()) {
// Echo password timer will implement on InsertText.
return NS_OK;
}
WillInsert(aSelection, aCancel);
// we want to ignore result of WillInsert()
*aCancel = false;
RefPtr<Element> rootElement = textEditor->GetRoot();
uint32_t count = rootElement->GetChildCount();
// handles only when there is only one node and it's a text node, or empty.
if (count > 1) {
return NS_OK;
}
nsAutoString tString(*aString);
if (IsPasswordEditor()) {
mPasswordText.Assign(tString);
FillBufWithPWChars(&tString, tString.Length());
} else if (IsSingleLineEditor()) {
HandleNewLines(tString, textEditor->mNewlineHandling);
}
if (!count) {
if (tString.IsEmpty()) {
*aHandled = true;
return NS_OK;
}
RefPtr<nsIDocument> doc = textEditor->GetDocument();
if (NS_WARN_IF(!doc)) {
return NS_OK;
}
RefPtr<nsTextNode> newNode = EditorBase::CreateTextNode(*doc, tString);
if (NS_WARN_IF(!newNode)) {
return NS_OK;
}
nsresult rv = textEditor->InsertNode(*newNode, *rootElement, 0);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
*aHandled = true;
ASSERT_PASSWORD_LENGTHS_EQUAL();
return NS_OK;
}
nsINode* curNode = rootElement->GetFirstChild();
if (NS_WARN_IF(!EditorBase::IsTextNode(curNode))) {
return NS_OK;
}
// don't change my selection in subtransactions
AutoTransactionsConserveSelection dontChangeMySelection(textEditor);
// Even if empty text, we don't remove text node and set empty text
// for performance
nsresult rv = textEditor->SetTextImpl(aSelection, tString,
*curNode->GetAsText());
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
*aHandled = true;
ASSERT_PASSWORD_LENGTHS_EQUAL();
return NS_OK;
}
NS_IMETHODIMP nsTextEditRules::Notify(class nsITimer *) {
nsresult res = HideLastPWInput();
ASSERT_PASSWORD_LENGTHS_EQUAL();
mLastLength = 0;
return res;
}
