NS_IMETHODIMP
nsTextEditRules::Init(nsPlaintextEditor *aEditor, PRUint32 aFlags)
{
if (!aEditor) { return NS_ERROR_NULL_POINTER; }
mEditor = aEditor; // we hold a non-refcounted reference back to our editor
// call SetFlags only aftet mEditor has been initialized!
SetFlags(aFlags);
nsCOMPtr<nsISelection> selection;
mEditor->GetSelection(getter_AddRefs(selection));
NS_ASSERTION(selection, "editor cannot get selection");
// Cache our body node, if available.
nsIDOMNode *body = mEditor->GetRoot();
// Put in a magic br if needed. This method handles null selection,
// which should never happen anyway
nsresult res = CreateBogusNodeIfNeeded(selection);
if (NS_FAILED(res)) return res;
if (mFlags & nsIPlaintextEditor::eEditorPlaintextMask)
{
// ensure trailing br node
res = CreateTrailingBRIfNeeded();
if (NS_FAILED(res)) return res;
}
if (body)
{
// create a range that is the entire body contents
nsCOMPtr<nsIDOMRange> wholeDoc =
do_CreateInstance("@mozilla.org/content/range;1");
if (!wholeDoc) return NS_ERROR_NULL_POINTER;
wholeDoc->SetStart(body,0);
nsCOMPtr<nsIDOMNodeList> list;
res = body->GetChildNodes(getter_AddRefs(list));
if (NS_FAILED(res)) return res;
if (!list) return NS_ERROR_FAILURE;
PRUint32 listCount;
res = list->GetLength(&listCount);
if (NS_FAILED(res)) return res;
res = wholeDoc->SetEnd(body, listCount);
if (NS_FAILED(res)) return res;
// replace newlines in that range with breaks
res = ReplaceNewlines(wholeDoc);
}
PRBool deleteBidiImmediately = PR_FALSE;
nsCOMPtr<nsIPrefBranch> prefBranch =
do_GetService(NS_PREFSERVICE_CONTRACTID, &res);
if (NS_SUCCEEDED(res))
prefBranch->GetBoolPref("bidi.edit.delete_immediately",
&deleteBidiImmediately);
mDeleteBidiImmediately = deleteBidiImmediately;
return res;
}
NS_IMETHODIMP
nsTextEditRules::AfterEdit(PRInt32 action, nsIEditor::EDirection aDirection)
{
if (mLockRulesSniffing) return NS_OK;
nsAutoLockRulesSniffing lockIt(this);
NS_PRECONDITION(mActionNesting>0, "bad action nesting!");
nsresult res = NS_OK;
if (!--mActionNesting)
{
nsCOMPtr<nsISelection>selection;
res = mEditor->GetSelection(getter_AddRefs(selection));
NS_ENSURE_SUCCESS(res, res);
res = mEditor->HandleInlineSpellCheck(action, selection,
mCachedSelectionNode, mCachedSelectionOffset,
nsnull, 0, nsnull, 0);
NS_ENSURE_SUCCESS(res, res);
// detect empty doc
res = CreateBogusNodeIfNeeded(selection);
NS_ENSURE_SUCCESS(res, res);
// insure trailing br node
res = CreateTrailingBRIfNeeded();
NS_ENSURE_SUCCESS(res, res);
// collapse the selection to the trailing BR if it's at the end of our text node
CollapseSelectionToTrailingBRIfNeeded(selection);
/* After inserting text the cursor Bidi level must be set to the level of the inserted text.
* This is difficult, because we cannot know what the level is until after the Bidi algorithm
* is applied to the whole paragraph.
*
* So we set the cursor Bidi level to UNDEFINED here, and the caret code will set it correctly later
*/
if (action == nsEditor::kOpInsertText
|| action == nsEditor::kOpInsertIMEText) {
nsCOMPtr<nsISelectionPrivate> privateSelection(do_QueryInterface(selection));
nsCOMPtr<nsFrameSelection> frameSelection;
privateSelection->GetFrameSelection(getter_AddRefs(frameSelection));
if (frameSelection) {
frameSelection->UndefineCaretBidiLevel();
}
}
}
return res;
}
NS_IMETHODIMP
TextEditRules::AfterEdit(EditAction action,
nsIEditor::EDirection aDirection)
{
if (mLockRulesSniffing) {
return NS_OK;
}
AutoLockRulesSniffing lockIt(this);
NS_PRECONDITION(mActionNesting>0, "bad action nesting!");
if (!--mActionNesting) {
NS_ENSURE_STATE(mTextEditor);
RefPtr<Selection> selection = mTextEditor->GetSelection();
NS_ENSURE_STATE(selection);
NS_ENSURE_STATE(mTextEditor);
nsresult rv =
mTextEditor->HandleInlineSpellCheck(action, selection,
GetAsDOMNode(mCachedSelectionNode),
mCachedSelectionOffset,
nullptr, 0, nullptr, 0);
NS_ENSURE_SUCCESS(rv, rv);
// no longer uses mCachedSelectionNode, so release it.
mCachedSelectionNode = nullptr;
// if only trailing <br> remaining remove it
rv = RemoveRedundantTrailingBR();
if (NS_FAILED(rv)) {
return rv;
}
// detect empty doc
rv = CreateBogusNodeIfNeeded(selection);
NS_ENSURE_SUCCESS(rv, rv);
// ensure trailing br node
rv = CreateTrailingBRIfNeeded();
NS_ENSURE_SUCCESS(rv, rv);
// collapse the selection to the trailing BR if it's at the end of our text node
CollapseSelectionToTrailingBRIfNeeded(selection);
}
return NS_OK;
}
NS_IMETHODIMP
nsTextEditRules::Init(nsPlaintextEditor *aEditor)
{
if (!aEditor) { return NS_ERROR_NULL_POINTER; }
mEditor = aEditor; // we hold a non-refcounted reference back to our editor
nsCOMPtr<nsISelection> selection;
mEditor->GetSelection(getter_AddRefs(selection));
NS_ASSERTION(selection, "editor cannot get selection");
// Put in a magic br if needed. This method handles null selection,
// which should never happen anyway
nsresult res = CreateBogusNodeIfNeeded(selection);
NS_ENSURE_SUCCESS(res, res);
// If the selection hasn't been set up yet, set it up collapsed to the end of
// our editable content.
PRInt32 rangeCount;
res = selection->GetRangeCount(&rangeCount);
NS_ENSURE_SUCCESS(res, res);
if (!rangeCount) {
res = mEditor->EndOfDocument();
NS_ENSURE_SUCCESS(res, res);
}
if (IsPlaintextEditor())
{
// ensure trailing br node
res = CreateTrailingBRIfNeeded();
NS_ENSURE_SUCCESS(res, res);
}
PRBool deleteBidiImmediately = PR_FALSE;
nsCOMPtr<nsIPrefBranch> prefBranch =
do_GetService(NS_PREFSERVICE_CONTRACTID, &res);
if (NS_SUCCEEDED(res))
prefBranch->GetBoolPref("bidi.edit.delete_immediately",
&deleteBidiImmediately);
mDeleteBidiImmediately = deleteBidiImmediately;
return res;
}
NS_IMETHODIMP
TextEditRules::Init(TextEditor* aTextEditor)
{
if (!aTextEditor) {
return NS_ERROR_NULL_POINTER;
}
InitFields();
// We hold a non-refcounted reference back to our editor.
mTextEditor = aTextEditor;
RefPtr<Selection> selection = mTextEditor->GetSelection();
NS_WARNING_ASSERTION(selection, "editor cannot get selection");
// Put in a magic br if needed. This method handles null selection,
// which should never happen anyway
nsresult rv = CreateBogusNodeIfNeeded(selection);
NS_ENSURE_SUCCESS(rv, rv);
// If the selection hasn't been set up yet, set it up collapsed to the end of
// our editable content.
int32_t rangeCount;
rv = selection->GetRangeCount(&rangeCount);
NS_ENSURE_SUCCESS(rv, rv);
if (!rangeCount) {
rv = mTextEditor->CollapseSelectionToEnd(selection);
NS_ENSURE_SUCCESS(rv, rv);
}
if (IsPlaintextEditor()) {
// ensure trailing br node
rv = CreateTrailingBRIfNeeded();
NS_ENSURE_SUCCESS(rv, rv);
}
mDeleteBidiImmediately =
Preferences::GetBool("bidi.edit.delete_immediately", false);
return NS_OK;
}
NS_IMETHODIMP
nsTextEditRules::Init(nsPlaintextEditor *aEditor)
{
if (!aEditor) {
return NS_ERROR_NULL_POINTER;
}
mEditor = aEditor; // we hold a non-refcounted reference back to our editor
nsCOMPtr<nsISelection> selection;
mEditor->GetSelection(getter_AddRefs(selection));
NS_ASSERTION(selection, "editor cannot get selection");
// Cache our body node, if available.
nsIDOMNode *body = mEditor->GetRoot();
// Put in a magic br if needed. This method handles null selection,
// which should never happen anyway
nsresult res = CreateBogusNodeIfNeeded(selection);
NS_ENSURE_SUCCESS(res, res);
// If the selection hasn't been set up yet, set it up collapsed to the end of
// our editable content.
PRInt32 rangeCount;
res = selection->GetRangeCount(&rangeCount);
NS_ENSURE_SUCCESS(res, res);
if (!rangeCount) {
res = mEditor->EndOfDocument();
NS_ENSURE_SUCCESS(res, res);
}
if (IsPlaintextEditor())
{
// ensure trailing br node
res = CreateTrailingBRIfNeeded();
NS_ENSURE_SUCCESS(res, res);
}
if (body)
{
// create a range that is the entire body contents
nsCOMPtr<nsIDOMRange> wholeDoc =
do_CreateInstance("@mozilla.org/content/range;1");
NS_ENSURE_TRUE(wholeDoc, NS_ERROR_NULL_POINTER);
wholeDoc->SetStart(body,0);
nsCOMPtr<nsIDOMNodeList> list;
res = body->GetChildNodes(getter_AddRefs(list));
NS_ENSURE_SUCCESS(res, res);
NS_ENSURE_TRUE(list, NS_ERROR_FAILURE);
PRUint32 listCount;
res = list->GetLength(&listCount);
NS_ENSURE_SUCCESS(res, res);
res = wholeDoc->SetEnd(body, listCount);
NS_ENSURE_SUCCESS(res, res);
// replace newlines in that range with breaks
res = ReplaceNewlines(wholeDoc);
}
PRBool deleteBidiImmediately = PR_FALSE;
nsCOMPtr<nsIPrefBranch> prefBranch =
do_GetService(NS_PREFSERVICE_CONTRACTID, &res);
if (NS_SUCCEEDED(res))
prefBranch->GetBoolPref("bidi.edit.delete_immediately",
&deleteBidiImmediately);
mDeleteBidiImmediately = deleteBidiImmediately;
return res;
}