NS_IMETHODIMP
nsTextControlFrame::GetEditor(nsIEditor **aEditor)
{
NS_ENSURE_ARG_POINTER(aEditor);
nsresult rv = EnsureEditorInitialized();
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsITextControlElement> txtCtrl = do_QueryInterface(GetContent());
NS_ASSERTION(txtCtrl, "Content not a text control element");
*aEditor = txtCtrl->GetTextEditor();
NS_IF_ADDREF(*aEditor);
return NS_OK;
}
NS_IMETHODIMP
nsTextControlFrame::SetSelectionRange(PRInt32 aSelStart, PRInt32 aSelEnd)
{
nsresult rv = EnsureEditorInitialized();
NS_ENSURE_SUCCESS(rv, rv);
if (aSelStart > aSelEnd) {
// Simulate what we'd see SetSelectionStart() was called, followed
// by a SetSelectionEnd().
aSelStart = aSelEnd;
}
return SetSelectionEndPoints(aSelStart, aSelEnd);
}
NS_IMETHODIMP
nsTextControlFrame::SetSelectionEnd(PRInt32 aSelectionEnd)
{
nsresult rv = EnsureEditorInitialized();
NS_ENSURE_SUCCESS(rv, rv);
PRInt32 selStart = 0, selEnd = 0;
rv = GetSelectionRange(&selStart, &selEnd);
NS_ENSURE_SUCCESS(rv, rv);
if (aSelectionEnd < selStart) {
// Collapse to the new end point.
selStart = aSelectionEnd;
}
selEnd = aSelectionEnd;
return SetSelectionEndPoints(selStart, selEnd);
}
NS_IMETHODIMP
nsTextControlFrame::GetSelectionRange(PRInt32* aSelectionStart, PRInt32* aSelectionEnd)
{
// make sure we have an editor
nsresult rv = EnsureEditorInitialized();
NS_ENSURE_SUCCESS(rv, rv);
*aSelectionStart = 0;
*aSelectionEnd = 0;
nsCOMPtr<nsITextControlElement> txtCtrl = do_QueryInterface(GetContent());
NS_ASSERTION(txtCtrl, "Content not a text control element");
nsISelectionController* selCon = txtCtrl->GetSelectionController();
NS_ENSURE_TRUE(selCon, NS_ERROR_FAILURE);
nsCOMPtr<nsISelection> selection;
rv = selCon->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(selection));
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(selection, NS_ERROR_FAILURE);
PRInt32 numRanges = 0;
selection->GetRangeCount(&numRanges);
if (numRanges < 1)
return NS_OK;
// We only operate on the first range in the selection!
nsCOMPtr<nsIDOMRange> firstRange;
rv = selection->GetRangeAt(0, getter_AddRefs(firstRange));
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(firstRange, NS_ERROR_FAILURE);
nsCOMPtr<nsIDOMNode> startNode, endNode;
PRInt32 startOffset = 0, endOffset = 0;
// Get the start point of the range.
rv = firstRange->GetStartContainer(getter_AddRefs(startNode));
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(startNode, NS_ERROR_FAILURE);
rv = firstRange->GetStartOffset(&startOffset);
NS_ENSURE_SUCCESS(rv, rv);
// Get the end point of the range.
rv = firstRange->GetEndContainer(getter_AddRefs(endNode));
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(endNode, NS_ERROR_FAILURE);
rv = firstRange->GetEndOffset(&endOffset);
NS_ENSURE_SUCCESS(rv, rv);
// Convert the start point to a selection offset.
rv = DOMPointToOffset(startNode, startOffset, aSelectionStart);
NS_ENSURE_SUCCESS(rv, rv);
// Convert the end point to a selection offset.
return DOMPointToOffset(endNode, endOffset, aSelectionEnd);
}
NS_IMETHODIMP
nsTextControlFrame::GetSelectionRange(PRInt32* aSelectionStart,
PRInt32* aSelectionEnd,
SelectionDirection* aDirection)
{
// make sure we have an editor
nsresult rv = EnsureEditorInitialized();
NS_ENSURE_SUCCESS(rv, rv);
if (aSelectionStart) {
*aSelectionStart = 0;
}
if (aSelectionEnd) {
*aSelectionEnd = 0;
}
if (aDirection) {
*aDirection = eNone;
}
nsCOMPtr<nsITextControlElement> txtCtrl = do_QueryInterface(GetContent());
NS_ASSERTION(txtCtrl, "Content not a text control element");
nsISelectionController* selCon = txtCtrl->GetSelectionController();
NS_ENSURE_TRUE(selCon, NS_ERROR_FAILURE);
nsCOMPtr<nsISelection> selection;
rv = selCon->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(selection));
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(selection, NS_ERROR_FAILURE);
PRInt32 numRanges = 0;
selection->GetRangeCount(&numRanges);
if (numRanges < 1)
return NS_OK;
// We only operate on the first range in the selection!
if (aDirection) {
nsCOMPtr<nsISelectionPrivate> selPriv = do_QueryInterface(selection);
if (selPriv) {
nsDirection direction = selPriv->GetSelectionDirection();
if (direction == eDirNext) {
*aDirection = eForward;
} else if (direction == eDirPrevious) {
*aDirection = eBackward;
} else {
NS_NOTREACHED("Invalid nsDirection enum value");
}
}
}
if (!aSelectionStart || !aSelectionEnd) {
return NS_OK;
}
nsCOMPtr<nsIDOMRange> firstRange;
rv = selection->GetRangeAt(0, getter_AddRefs(firstRange));
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(firstRange, NS_ERROR_FAILURE);
nsCOMPtr<nsIDOMNode> startNode, endNode;
PRInt32 startOffset = 0, endOffset = 0;
// Get the start point of the range.
rv = firstRange->GetStartContainer(getter_AddRefs(startNode));
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(startNode, NS_ERROR_FAILURE);
rv = firstRange->GetStartOffset(&startOffset);
NS_ENSURE_SUCCESS(rv, rv);
// Get the end point of the range.
rv = firstRange->GetEndContainer(getter_AddRefs(endNode));
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(endNode, NS_ERROR_FAILURE);
rv = firstRange->GetEndOffset(&endOffset);
NS_ENSURE_SUCCESS(rv, rv);
// Convert the start point to a selection offset.
rv = DOMPointToOffset(startNode, startOffset, aSelectionStart);
NS_ENSURE_SUCCESS(rv, rv);
// Convert the end point to a selection offset.
return DOMPointToOffset(endNode, endOffset, aSelectionEnd);
}