void
IMEContentObserver::Destroy()
{
// If CreateTextStateManager failed, mRootContent will be null,
// and we should not call NotifyIME(IMENotification(NOTIFY_IME_OF_BLUR))
if (mRootContent) {
if (IMEStateManager::IsTestingIME() && mEditableNode) {
nsIDocument* doc = mEditableNode->OwnerDoc();
(new AsyncEventDispatcher(doc, NS_LITERAL_STRING("MozIMEFocusOut"),
false, false))->RunDOMEventWhenSafe();
}
mWidget->NotifyIME(IMENotification(NOTIFY_IME_OF_BLUR));
}
// Even if there are some pending notification, it'll never notify the widget.
mWidget = nullptr;
if (mUpdatePreference.WantSelectionChange() && mSelection) {
nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(mSelection));
if (selPrivate) {
selPrivate->RemoveSelectionListener(this);
}
}
mSelection = nullptr;
if (mUpdatePreference.WantTextChange() && mRootContent) {
mRootContent->RemoveMutationObserver(this);
}
if (mUpdatePreference.WantPositionChanged() && mDocShell) {
mDocShell->RemoveWeakScrollObserver(this);
mDocShell->RemoveWeakReflowObserver(this);
}
mRootContent = nullptr;
mEditableNode = nullptr;
mDocShell = nullptr;
mUpdatePreference.mWantUpdates = nsIMEUpdatePreference::NOTIFY_NOTHING;
}
void
IMEContentObserver::UnregisterObservers()
{
if (!mIsObserving) {
return;
}
mIsObserving = false;
if (mEditor) {
mEditor->RemoveEditorObserver(this);
}
if (mUpdatePreference.WantSelectionChange() && mSelection) {
nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(mSelection));
if (selPrivate) {
selPrivate->RemoveSelectionListener(this);
}
}
if (mUpdatePreference.WantTextChange() && mRootContent) {
mRootContent->RemoveMutationObserver(this);
}
if (mUpdatePreference.WantPositionChanged() && mDocShell) {
mDocShell->RemoveWeakScrollObserver(this);
mDocShell->RemoveWeakReflowObserver(this);
}
}
void
IMEContentObserver::ObserveEditableNode()
{
MOZ_ASSERT(mSelection);
MOZ_ASSERT(mRootContent);
mUpdatePreference = mWidget->GetIMEUpdatePreference();
if (mUpdatePreference.WantSelectionChange()) {
// add selection change listener
nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(mSelection));
NS_ENSURE_TRUE_VOID(selPrivate);
nsresult rv = selPrivate->AddSelectionListener(this);
NS_ENSURE_SUCCESS_VOID(rv);
}
if (mUpdatePreference.WantTextChange()) {
// add text change observer
mRootContent->AddMutationObserver(this);
}
if (mUpdatePreference.WantPositionChanged() && mDocShell) {
// Add scroll position listener and reflow observer to detect position and
// size changes
mDocShell->AddWeakScrollObserver(this);
mDocShell->AddWeakReflowObserver(this);
}
}
nsresult nsCaretAccessible::ClearControlSelectionListener()
{
nsCOMPtr<nsISelectionController> controller =
GetSelectionControllerForNode(mCurrentControl);
mCurrentControl = nsnull;
if (!controller)
return NS_OK;
// Remove 'this' registered as selection listener for the normal selection.
nsCOMPtr<nsISelection> normalSel;
controller->GetSelection(nsISelectionController::SELECTION_NORMAL,
getter_AddRefs(normalSel));
nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(normalSel));
NS_ENSURE_TRUE(selPrivate, NS_ERROR_FAILURE);
nsresult rv = selPrivate->RemoveSelectionListener(this);
NS_ENSURE_SUCCESS(rv, rv);
// Remove 'this' registered as selection listener for the spellcheck
// selection.
nsCOMPtr<nsISelection> spellcheckSel;
controller->GetSelection(nsISelectionController::SELECTION_SPELLCHECK,
getter_AddRefs(spellcheckSel));
selPrivate = do_QueryInterface(spellcheckSel);
NS_ENSURE_TRUE(selPrivate, NS_ERROR_FAILURE);
return selPrivate->RemoveSelectionListener(this);
}
nsresult
nsTextEditRules::DidInsertBreak(nsISelection *aSelection, nsresult aResult)
{
// we only need to execute the stuff below if we are a plaintext editor.
// html editors have a different mechanism for putting in mozBR's
// (because there are a bunch more places you have to worry about it in html)
if (!IsPlaintextEditor()) {
return NS_OK;
}
// if we are at the end of the document, we need to insert
// a special mozBR following the normal br, and then set the
// selection to stick to the mozBR.
PRInt32 selOffset;
nsCOMPtr<nsIDOMNode> selNode;
nsresult res;
res = mEditor->GetStartNodeAndOffset(aSelection, getter_AddRefs(selNode), &selOffset);
NS_ENSURE_SUCCESS(res, res);
// confirm we are at end of document
if (selOffset == 0) return NS_OK; // can't be after a br if we are at offset 0
nsIDOMElement *rootElem = mEditor->GetRoot();
nsCOMPtr<nsIDOMNode> root = do_QueryInterface(rootElem);
NS_ENSURE_TRUE(root, NS_ERROR_NULL_POINTER);
if (selNode != root) return NS_OK; // must be inside text node or somewhere other than end of root
nsCOMPtr<nsIDOMNode> temp = mEditor->GetChildAt(selNode, selOffset);
if (temp) return NS_OK; // can't be at end if there is a node after us.
nsCOMPtr<nsIDOMNode> nearNode = mEditor->GetChildAt(selNode, selOffset-1);
if (nearNode && nsTextEditUtils::IsBreak(nearNode) && !nsTextEditUtils::IsMozBR(nearNode))
{
nsCOMPtr<nsISelectionPrivate>selPrivate(do_QueryInterface(aSelection));
// need to insert special moz BR. Why? Because if we don't
// the user will see no new line for the break. Also, things
// like table cells won't grow in height.
nsCOMPtr<nsIDOMNode> brNode;
res = CreateMozBR(selNode, selOffset, address_of(brNode));
NS_ENSURE_SUCCESS(res, res);
res = nsEditor::GetNodeLocation(brNode, address_of(selNode), &selOffset);
NS_ENSURE_SUCCESS(res, res);
selPrivate->SetInterlinePosition(PR_TRUE);
res = aSelection->Collapse(selNode, selOffset);
NS_ENSURE_SUCCESS(res, res);
}
return res;
}
void
nsTextStateManager::Destroy(void)
{
if (mSel) {
nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(mSel));
if (selPrivate)
selPrivate->RemoveSelectionListener(this);
mSel = nsnull;
}
if (mRootContent) {
mRootContent->RemoveMutationObserver(this);
mRootContent = nsnull;
}
mEditableNode = nsnull;
mWidget = nsnull;
}
nsresult
nsCaretAccessible::SetControlSelectionListener(nsIContent *aCurrentNode)
{
NS_ENSURE_TRUE(mRootAccessible, NS_ERROR_FAILURE);
ClearControlSelectionListener();
mCurrentControl = aCurrentNode;
mLastTextAccessible = nsnull;
// When focus moves such that the caret is part of a new frame selection
// this removes the old selection listener and attaches a new one for
// the current focus.
nsCOMPtr<nsISelectionController> controller =
GetSelectionControllerForNode(mCurrentControl);
#ifdef DEBUG
NS_ASSERTION(controller || aCurrentNode->IsNodeOfType(nsINode::eDOCUMENT),
"No selection controller for non document node!");
#endif
if (!controller)
return NS_OK;
// Register 'this' as selection listener for the normal selection.
nsCOMPtr<nsISelection> normalSel;
controller->GetSelection(nsISelectionController::SELECTION_NORMAL,
getter_AddRefs(normalSel));
nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(normalSel));
NS_ENSURE_TRUE(selPrivate, NS_ERROR_FAILURE);
nsresult rv = selPrivate->AddSelectionListener(this);
NS_ENSURE_SUCCESS(rv, rv);
// Register 'this' as selection listener for the spellcheck selection.
nsCOMPtr<nsISelection> spellcheckSel;
controller->GetSelection(nsISelectionController::SELECTION_SPELLCHECK,
getter_AddRefs(spellcheckSel));
selPrivate = do_QueryInterface(spellcheckSel);
NS_ENSURE_TRUE(selPrivate, NS_ERROR_FAILURE);
return selPrivate->AddSelectionListener(this);
}
nsresult
nsContentEventHandler::OnSelectionEvent(nsSelectionEvent* aEvent)
{
aEvent->mSucceeded = false;
// Get selection to manipulate
// XXX why do we need to get them from ISM? This method should work fine
// without ISM.
nsresult rv = nsIMEStateManager::
GetFocusSelectionAndRoot(getter_AddRefs(mSelection),
getter_AddRefs(mRootContent));
if (rv != NS_ERROR_NOT_AVAILABLE) {
NS_ENSURE_SUCCESS(rv, rv);
} else {
rv = Init(aEvent);
NS_ENSURE_SUCCESS(rv, rv);
}
// Get range from offset and length
nsRefPtr<nsRange> range = new nsRange();
NS_ENSURE_TRUE(range, NS_ERROR_OUT_OF_MEMORY);
rv = SetRangeFromFlatTextOffset(range, aEvent->mOffset, aEvent->mLength,
aEvent->mExpandToClusterBoundary);
NS_ENSURE_SUCCESS(rv, rv);
nsINode* startNode = range->GetStartParent();
nsINode* endNode = range->GetEndParent();
PRInt32 startOffset = range->StartOffset();
PRInt32 endOffset = range->EndOffset();
AdjustRangeForSelection(mRootContent, &startNode, &startOffset);
AdjustRangeForSelection(mRootContent, &endNode, &endOffset);
nsCOMPtr<nsIDOMNode> startDomNode(do_QueryInterface(startNode));
nsCOMPtr<nsIDOMNode> endDomNode(do_QueryInterface(endNode));
NS_ENSURE_TRUE(startDomNode && endDomNode, NS_ERROR_UNEXPECTED);
nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(mSelection));
selPrivate->StartBatchChanges();
// Clear selection first before setting
rv = mSelection->RemoveAllRanges();
// Need to call EndBatchChanges at the end even if call failed
if (NS_SUCCEEDED(rv)) {
if (aEvent->mReversed) {
rv = mSelection->Collapse(endDomNode, endOffset);
} else {
rv = mSelection->Collapse(startDomNode, startOffset);
}
if (NS_SUCCEEDED(rv) &&
(startDomNode != endDomNode || startOffset != endOffset)) {
if (aEvent->mReversed) {
rv = mSelection->Extend(startDomNode, startOffset);
} else {
rv = mSelection->Extend(endDomNode, endOffset);
}
}
}
selPrivate->EndBatchChanges();
NS_ENSURE_SUCCESS(rv, rv);
selPrivate->ScrollIntoViewInternal(
nsISelectionController::SELECTION_FOCUS_REGION,
false, nsIPresShell::ScrollAxis(), nsIPresShell::ScrollAxis());
aEvent->mSucceeded = true;
return NS_OK;
}
nsresult
nsTextEditRules::WillInsertText(PRInt32 aAction,
nsISelection *aSelection,
PRBool *aCancel,
PRBool *aHandled,
const nsAString *inString,
nsAString *outString,
PRInt32 aMaxLength)
{
if (!aSelection || !aCancel || !aHandled) { return NS_ERROR_NULL_POINTER; }
if (inString->IsEmpty() && (aAction != kInsertTextIME))
{
// HACK: this is a fix for bug 19395
// I can't outlaw all empty insertions
// because IME transaction depend on them
// There is more work to do to make the
// world safe for IME.
*aCancel = PR_TRUE;
*aHandled = PR_FALSE;
return NS_OK;
}
// initialize out param
*aCancel = PR_FALSE;
*aHandled = PR_TRUE;
// handle docs with a max length
// NOTE, this function copies inString into outString for us.
PRBool truncated = PR_FALSE;
nsresult res = TruncateInsertionIfNeeded(aSelection, inString, outString,
aMaxLength, &truncated);
NS_ENSURE_SUCCESS(res, res);
if (truncated && outString->IsEmpty()) {
*aCancel = PR_TRUE;
return NS_OK;
}
PRUint32 start = 0;
PRUint32 end = 0;
// handle password field docs
if (IsPasswordEditor())
{
res = mEditor->GetTextSelectionOffsets(aSelection, start, end);
NS_ASSERTION((NS_SUCCEEDED(res)), "getTextSelectionOffsets failed!");
NS_ENSURE_SUCCESS(res, res);
}
// if the selection isn't collapsed, delete it.
PRBool bCollapsed;
res = aSelection->GetIsCollapsed(&bCollapsed);
NS_ENSURE_SUCCESS(res, res);
if (!bCollapsed)
{
res = mEditor->DeleteSelection(nsIEditor::eNone);
NS_ENSURE_SUCCESS(res, res);
}
res = WillInsert(aSelection, aCancel);
NS_ENSURE_SUCCESS(res, res);
// initialize out param
// we want to ignore result of WillInsert()
*aCancel = PR_FALSE;
// handle password field data
// this has the side effect of changing all the characters in aOutString
// to the replacement character
if (IsPasswordEditor())
{
if (aAction == kInsertTextIME) {
res = RemoveIMETextFromPWBuf(start, outString);
NS_ENSURE_SUCCESS(res, res);
}
}
// People have lots of different ideas about what text fields
// should do with multiline pastes. See bugs 21032, 23485, 23485, 50935.
// The six possible options are:
// 0. paste newlines intact
// 1. paste up to the first newline (default)
// 2. replace newlines with spaces
// 3. strip newlines
// 4. replace with commas
// 5. strip newlines and surrounding whitespace
// So find out what we're expected to do:
if (IsSingleLineEditor())
{
nsAutoString tString(*outString);
HandleNewLines(tString, mEditor->mNewlineHandling);
outString->Assign(tString);
}
if (IsPasswordEditor())
{
// manage the password buffer
mPasswordText.Insert(*outString, start);
nsCOMPtr<nsILookAndFeel> lookAndFeel = do_GetService(kLookAndFeelCID);
if (lookAndFeel->GetEchoPassword() && !DontEchoPassword()) {
HideLastPWInput();
mLastStart = start;
mLastLength = outString->Length();
if (mTimer)
{
mTimer->Cancel();
}
else
{
mTimer = do_CreateInstance("@mozilla.org/timer;1", &res);
NS_ENSURE_SUCCESS(res, res);
}
mTimer->InitWithCallback(this, 600, nsITimer::TYPE_ONE_SHOT);
}
else
{
res = FillBufWithPWChars(outString, outString->Length());
NS_ENSURE_SUCCESS(res, res);
}
}
// get the (collapsed) selection location
nsCOMPtr<nsIDOMNode> selNode;
PRInt32 selOffset;
res = mEditor->GetStartNodeAndOffset(aSelection, getter_AddRefs(selNode), &selOffset);
NS_ENSURE_SUCCESS(res, res);
// don't put text in places that can't have it
if (!mEditor->IsTextNode(selNode) && !mEditor->CanContainTag(selNode, NS_LITERAL_STRING("#text")))
return NS_ERROR_FAILURE;
// we need to get the doc
nsCOMPtr<nsIDOMDocument>doc;
res = mEditor->GetDocument(getter_AddRefs(doc));
NS_ENSURE_SUCCESS(res, res);
NS_ENSURE_TRUE(doc, NS_ERROR_NULL_POINTER);
if (aAction == kInsertTextIME)
{
res = mEditor->InsertTextImpl(*outString, address_of(selNode), &selOffset, doc);
NS_ENSURE_SUCCESS(res, res);
}
else // aAction == kInsertText
{
// find where we are
nsCOMPtr<nsIDOMNode> curNode = selNode;
PRInt32 curOffset = selOffset;
// don't spaz my selection in subtransactions
nsAutoTxnsConserveSelection dontSpazMySelection(mEditor);
res = mEditor->InsertTextImpl(*outString, address_of(curNode),
&curOffset, doc);
NS_ENSURE_SUCCESS(res, res);
if (curNode)
{
// Make the caret attach to the inserted text, unless this text ends with a LF,
// in which case make the caret attach to the next line.
PRBool endsWithLF =
!outString->IsEmpty() && outString->Last() == nsCRT::LF;
nsCOMPtr<nsISelectionPrivate>selPrivate(do_QueryInterface(aSelection));
selPrivate->SetInterlinePosition(endsWithLF);
aSelection->Collapse(curNode, curOffset);
}
}
ASSERT_PASSWORD_LENGTHS_EQUAL()
return res;
}
nsresult
nsTextEditRules::WillInsertText(PRInt32 aAction,
nsISelection *aSelection,
PRBool *aCancel,
PRBool *aHandled,
const nsAString *inString,
nsAString *outString,
PRInt32 aMaxLength)
{
if (!aSelection || !aCancel || !aHandled) {
return NS_ERROR_NULL_POINTER;
}
if (inString->IsEmpty() && (aAction != kInsertTextIME))
{
// HACK: this is a fix for bug 19395
// I can't outlaw all empty insertions
// because IME transaction depend on them
// There is more work to do to make the
// world safe for IME.
*aCancel = PR_TRUE;
*aHandled = PR_FALSE;
return NS_OK;
}
// initialize out param
*aCancel = PR_FALSE;
*aHandled = PR_TRUE;
// handle docs with a max length
// NOTE, this function copies inString into outString for us.
nsresult res = TruncateInsertionIfNeeded(aSelection, inString, outString, aMaxLength);
NS_ENSURE_SUCCESS(res, res);
PRUint32 start = 0;
PRUint32 end = 0;
// handle password field docs
if (IsPasswordEditor())
{
res = mEditor->GetTextSelectionOffsets(aSelection, start, end);
NS_ASSERTION((NS_SUCCEEDED(res)), "getTextSelectionOffsets failed!");
NS_ENSURE_SUCCESS(res, res);
}
// if the selection isn't collapsed, delete it.
PRBool bCollapsed;
res = aSelection->GetIsCollapsed(&bCollapsed);
NS_ENSURE_SUCCESS(res, res);
if (!bCollapsed)
{
res = mEditor->DeleteSelection(nsIEditor::eNone);
NS_ENSURE_SUCCESS(res, res);
}
res = WillInsert(aSelection, aCancel);
NS_ENSURE_SUCCESS(res, res);
// initialize out param
// we want to ignore result of WillInsert()
*aCancel = PR_FALSE;
// handle password field data
// this has the side effect of changing all the characters in aOutString
// to the replacement character
if (IsPasswordEditor())
{
if (aAction == kInsertTextIME) {
res = RemoveIMETextFromPWBuf(start, outString);
NS_ENSURE_SUCCESS(res, res);
}
}
// People have lots of different ideas about what text fields
// should do with multiline pastes. See bugs 21032, 23485, 23485, 50935.
// The six possible options are:
// 0. paste newlines intact
// 1. paste up to the first newline (default)
// 2. replace newlines with spaces
// 3. strip newlines
// 4. replace with commas
// 5. strip newlines and surrounding whitespace
// So find out what we're expected to do:
if (IsSingleLineEditor())
{
nsAutoString tString(*outString);
HandleNewLines(tString, mEditor->mNewlineHandling);
outString->Assign(tString);
}
if (IsPasswordEditor())
{
// manage the password buffer
mPasswordText.Insert(*outString, start);
nsCOMPtr<nsILookAndFeel> lookAndFeel = do_GetService(kLookAndFeelCID);
if (lookAndFeel->GetEchoPassword() && !DontEchoPassword()) {
HideLastPWInput();
mLastStart = start;
mLastLength = outString->Length();
if (mTimer)
{
mTimer->Cancel();
}
else
{
mTimer = do_CreateInstance("@mozilla.org/timer;1", &res);
NS_ENSURE_SUCCESS(res, res);
}
mTimer->InitWithCallback(this, 600, nsITimer::TYPE_ONE_SHOT);
}
else
{
res = FillBufWithPWChars(outString, outString->Length());
NS_ENSURE_SUCCESS(res, res);
}
}
// get the (collapsed) selection location
nsCOMPtr<nsIDOMNode> selNode;
PRInt32 selOffset;
res = mEditor->GetStartNodeAndOffset(aSelection, getter_AddRefs(selNode), &selOffset);
NS_ENSURE_SUCCESS(res, res);
// don't put text in places that can't have it
if (!mEditor->IsTextNode(selNode) && !mEditor->CanContainTag(selNode, NS_LITERAL_STRING("#text")))
return NS_ERROR_FAILURE;
// we need to get the doc
nsCOMPtr<nsIDOMDocument>doc;
res = mEditor->GetDocument(getter_AddRefs(doc));
NS_ENSURE_SUCCESS(res, res);
NS_ENSURE_TRUE(doc, NS_ERROR_NULL_POINTER);
if (aAction == kInsertTextIME)
{
res = mEditor->InsertTextImpl(*outString, address_of(selNode), &selOffset, doc);
NS_ENSURE_SUCCESS(res, res);
}
else // aAction == kInsertText
{
// find where we are
nsCOMPtr<nsIDOMNode> curNode = selNode;
PRInt32 curOffset = selOffset;
// is our text going to be PREformatted?
// We remember this so that we know how to handle tabs.
PRBool isPRE;
res = mEditor->IsPreformatted(selNode, &isPRE);
NS_ENSURE_SUCCESS(res, res);
// don't spaz my selection in subtransactions
nsAutoTxnsConserveSelection dontSpazMySelection(mEditor);
nsString tString(*outString);
const PRUnichar *unicodeBuf = tString.get();
nsCOMPtr<nsIDOMNode> unused;
PRInt32 pos = 0;
// for efficiency, break out the pre case separately. This is because
// it's a lot cheaper to search the input string for only newlines than
// it is to search for both tabs and newlines.
if (isPRE)
{
while (unicodeBuf && (pos != -1) && ((PRUint32)pos < tString.Length()))
{
PRInt32 oldPos = pos;
PRInt32 subStrLen;
pos = tString.FindChar(nsCRT::LF, oldPos);
if (pos != -1)
{
subStrLen = pos - oldPos;
// if first char is newline, then use just it
if (subStrLen == 0)
subStrLen = 1;
}
else
{
subStrLen = tString.Length() - oldPos;
pos = tString.Length();
}
nsDependentSubstring subStr(tString, oldPos, subStrLen);
// is it a return?
if (subStr.EqualsLiteral(LFSTR))
{
if (IsSingleLineEditor())
{
NS_ASSERTION((mEditor->mNewlineHandling == nsIPlaintextEditor::eNewlinesPasteIntact),
"Newline improperly getting into single-line edit field!");
res = mEditor->InsertTextImpl(subStr, address_of(curNode), &curOffset, doc);
}
else
{
res = mEditor->CreateBRImpl(address_of(curNode), &curOffset, address_of(unused), nsIEditor::eNone);
// If the newline is the last character in the string, and the BR we
// just inserted is the last node in the content tree, we need to add
// a mozBR so that a blank line is created.
if (NS_SUCCEEDED(res) && curNode && pos == (PRInt32)(tString.Length() - 1))
{
nsCOMPtr<nsIDOMNode> nextChild = mEditor->GetChildAt(curNode, curOffset);
if (!nextChild)
{
// We must be at the end since there isn't a nextChild.
//
// curNode and curOffset should be set to the position after
// the BR we added above, so just create a mozBR at that position.
//
// Note that we don't update curOffset after we've created/inserted
// the mozBR since we never want the selection to be placed after it.
res = CreateMozBR(curNode, curOffset, address_of(unused));
}
}
}
pos++;
}
else
{
res = mEditor->InsertTextImpl(subStr, address_of(curNode), &curOffset, doc);
}
NS_ENSURE_SUCCESS(res, res);
}
}
else
{
char specialChars[] = {TAB, nsCRT::LF, 0};
while (unicodeBuf && (pos != -1) && ((PRUint32)pos < tString.Length()))
{
PRInt32 oldPos = pos;
PRInt32 subStrLen;
pos = tString.FindCharInSet(specialChars, oldPos);
if (pos != -1)
{
subStrLen = pos - oldPos;
// if first char is newline, then use just it
if (subStrLen == 0)
subStrLen = 1;
}
else
{
subStrLen = tString.Length() - oldPos;
pos = tString.Length();
}
nsDependentSubstring subStr(tString, oldPos, subStrLen);
// is it a tab?
if (subStr.EqualsLiteral("\t"))
{
res = mEditor->InsertTextImpl(NS_LITERAL_STRING(" "), address_of(curNode), &curOffset, doc);
pos++;
}
// is it a return?
else if (subStr.EqualsLiteral(LFSTR))
{
res = mEditor->CreateBRImpl(address_of(curNode), &curOffset, address_of(unused), nsIEditor::eNone);
pos++;
}
else
{
res = mEditor->InsertTextImpl(subStr, address_of(curNode), &curOffset, doc);
}
NS_ENSURE_SUCCESS(res, res);
}
}
outString->Assign(tString);
if (curNode)
{
aSelection->Collapse(curNode, curOffset);
// Make the caret attach to the inserted text, unless this text ends with a LF,
// in which case make the caret attach to the next line.
PRBool endsWithLF = !tString.IsEmpty() && tString.get()[tString.Length() - 1] == nsCRT::LF;
nsCOMPtr<nsISelectionPrivate>selPrivate(do_QueryInterface(aSelection));
selPrivate->SetInterlinePosition(endsWithLF);
}
}
ASSERT_PASSWORD_LENGTHS_EQUAL()
return res;
}
nsresult
nsTextStateManager::Init(nsIWidget* aWidget,
nsPresContext* aPresContext,
nsINode* aNode,
PRBool aWantUpdates)
{
mWidget = aWidget;
if (!aWantUpdates) {
mEditableNode = aNode;
return NS_OK;
}
nsIPresShell* presShell = aPresContext->PresShell();
// get selection and root content
nsCOMPtr<nsISelectionController> selCon;
if (aNode->IsNodeOfType(nsINode::eCONTENT)) {
nsIFrame* frame = static_cast<nsIContent*>(aNode)->GetPrimaryFrame();
NS_ENSURE_TRUE(frame, NS_ERROR_UNEXPECTED);
frame->GetSelectionController(aPresContext,
getter_AddRefs(selCon));
} else {
// aNode is a document
selCon = do_QueryInterface(presShell);
}
NS_ENSURE_TRUE(selCon, NS_ERROR_FAILURE);
nsCOMPtr<nsISelection> sel;
nsresult rv = selCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
getter_AddRefs(sel));
NS_ENSURE_TRUE(sel, NS_ERROR_UNEXPECTED);
nsCOMPtr<nsIDOMRange> selDomRange;
rv = sel->GetRangeAt(0, getter_AddRefs(selDomRange));
if (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsIRange> selRange(do_QueryInterface(selDomRange));
NS_ENSURE_TRUE(selRange && selRange->GetStartParent(),
NS_ERROR_UNEXPECTED);
mRootContent = selRange->GetStartParent()->
GetSelectionRootContent(presShell);
} else {
mRootContent = aNode->GetSelectionRootContent(presShell);
}
if (!mRootContent && aNode->IsNodeOfType(nsINode::eDOCUMENT)) {
// The document node is editable, but there are no contents, this document
// is not editable.
return NS_ERROR_NOT_AVAILABLE;
}
NS_ENSURE_TRUE(mRootContent, NS_ERROR_UNEXPECTED);
// add text change observer
mRootContent->AddMutationObserver(this);
// add selection change listener
nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(sel));
NS_ENSURE_TRUE(selPrivate, NS_ERROR_UNEXPECTED);
rv = selPrivate->AddSelectionListener(this);
NS_ENSURE_SUCCESS(rv, rv);
mSel = sel;
mEditableNode = aNode;
return NS_OK;
}
