mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-19 08:15:31 +00:00
69790bc62e
The inclusions were removed with the following very crude script and the
resulting breakage was fixed up by hand. The manual fixups did either
revert the changes done by the script, replace a generic header with a more
specific one or replace a header with a forward declaration.
find . -name "*.idl" | grep -v web-platform | grep -v third_party | while read path; do
interfaces=$(grep "^\(class\|interface\).*:.*" "$path" | cut -d' ' -f2)
if [ -n "$interfaces" ]; then
if [[ "$interfaces" == *$'\n'* ]]; then
regexp="\("
for i in $interfaces; do regexp="$regexp$i\|"; done
regexp="${regexp%%\\\|}\)"
else
regexp="$interfaces"
fi
interface=$(basename "$path")
rg -l "#include.*${interface%%.idl}.h" . | while read path2; do
hits=$(grep -v "#include.*${interface%%.idl}.h" "$path2" | grep -c "$regexp" )
if [ $hits -eq 0 ]; then
echo "Removing ${interface} from ${path2}"
grep -v "#include.*${interface%%.idl}.h" "$path2" > "$path2".tmp
mv -f "$path2".tmp "$path2"
fi
done
fi
done
Differential Revision: https://phabricator.services.mozilla.com/D55443
--HG--
extra : moz-landing-system : lando
961 lines
33 KiB
C++
961 lines
33 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "TextEditor.h"
|
|
|
|
#include "mozilla/Assertions.h"
|
|
#include "mozilla/EditAction.h"
|
|
#include "mozilla/EditorDOMPoint.h"
|
|
#include "mozilla/EditorUtils.h"
|
|
#include "mozilla/LookAndFeel.h"
|
|
#include "mozilla/Preferences.h"
|
|
#include "mozilla/TextComposition.h"
|
|
#include "mozilla/dom/Element.h"
|
|
#include "mozilla/dom/HTMLBRElement.h"
|
|
#include "mozilla/dom/NodeFilterBinding.h"
|
|
#include "mozilla/dom/NodeIterator.h"
|
|
#include "mozilla/dom/Selection.h"
|
|
#include "nsAString.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsCRT.h"
|
|
#include "nsCRTGlue.h"
|
|
#include "nsComponentManagerUtils.h"
|
|
#include "nsContentUtils.h"
|
|
#include "nsDebug.h"
|
|
#include "nsError.h"
|
|
#include "nsGkAtoms.h"
|
|
#include "nsIContent.h"
|
|
#include "nsNameSpaceManager.h"
|
|
#include "nsINode.h"
|
|
#include "nsIPlaintextEditor.h"
|
|
#include "nsISupportsBase.h"
|
|
#include "nsLiteralString.h"
|
|
#include "nsTextNode.h"
|
|
#include "nsUnicharUtils.h"
|
|
#include "nsIHTMLCollection.h"
|
|
#include "nsPrintfCString.h"
|
|
|
|
namespace mozilla {
|
|
|
|
using namespace dom;
|
|
|
|
#define CANCEL_OPERATION_AND_RETURN_EDIT_ACTION_RESULT_IF_READONLY_OF_DISABLED \
|
|
if (IsReadonly() || IsDisabled()) { \
|
|
return EditActionCanceled(NS_OK); \
|
|
}
|
|
|
|
nsresult TextEditor::InitEditorContentAndSelection() {
|
|
MOZ_ASSERT(IsEditActionDataAvailable());
|
|
|
|
nsresult rv = MaybeCreatePaddingBRElementForEmptyEditor();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
|
|
// If the selection hasn't been set up yet, set it up collapsed to the end of
|
|
// our editable content.
|
|
// XXX I think that this shouldn't do it in `HTMLEditor` because it maybe
|
|
// removed by the web app and if they call `Selection::AddRange()`,
|
|
// it may cause multiple selection ranges.
|
|
if (!SelectionRefPtr()->RangeCount()) {
|
|
nsresult rv = CollapseSelectionToEnd();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
if (IsPlaintextEditor() && !IsSingleLineEditor()) {
|
|
nsresult rv = EnsurePaddingBRElementInMultilineEditor();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void TextEditor::OnStartToHandleTopLevelEditSubAction(
|
|
EditSubAction aTopLevelEditSubAction,
|
|
nsIEditor::EDirection aDirectionOfTopLevelEditSubAction, ErrorResult& aRv) {
|
|
MOZ_ASSERT(IsEditActionDataAvailable());
|
|
MOZ_ASSERT(!AsHTMLEditor());
|
|
MOZ_ASSERT(!aRv.Failed());
|
|
|
|
EditorBase::OnStartToHandleTopLevelEditSubAction(
|
|
aTopLevelEditSubAction, aDirectionOfTopLevelEditSubAction, aRv);
|
|
|
|
MOZ_ASSERT(GetTopLevelEditSubAction() == aTopLevelEditSubAction);
|
|
MOZ_ASSERT(GetDirectionOfTopLevelEditSubAction() ==
|
|
aDirectionOfTopLevelEditSubAction);
|
|
|
|
if (NS_WARN_IF(Destroyed())) {
|
|
aRv.Throw(NS_ERROR_EDITOR_DESTROYED);
|
|
return;
|
|
}
|
|
|
|
if (!mInitSucceeded) {
|
|
return;
|
|
}
|
|
|
|
if (aTopLevelEditSubAction == EditSubAction::eSetText) {
|
|
// SetText replaces all text, so spell checker handles starting from the
|
|
// start of new value.
|
|
SetSpellCheckRestartPoint(EditorDOMPoint(mRootElement, 0));
|
|
return;
|
|
}
|
|
|
|
if (aTopLevelEditSubAction == EditSubAction::eInsertText ||
|
|
aTopLevelEditSubAction == EditSubAction::eInsertTextComingFromIME) {
|
|
// For spell checker, previous selected node should be text node if
|
|
// possible. If anchor is root of editor, it may become invalid offset
|
|
// after inserting text.
|
|
EditorRawDOMPoint point = FindBetterInsertionPoint(
|
|
EditorRawDOMPoint(SelectionRefPtr()->AnchorRef()));
|
|
if (point.IsSet()) {
|
|
SetSpellCheckRestartPoint(point);
|
|
return;
|
|
}
|
|
}
|
|
if (SelectionRefPtr()->AnchorRef().IsSet()) {
|
|
SetSpellCheckRestartPoint(
|
|
EditorRawDOMPoint(SelectionRefPtr()->AnchorRef()));
|
|
}
|
|
}
|
|
|
|
nsresult TextEditor::OnEndHandlingTopLevelEditSubAction() {
|
|
MOZ_ASSERT(IsTopLevelEditSubActionDataAvailable());
|
|
MOZ_ASSERT(!AsHTMLEditor());
|
|
|
|
nsresult rv;
|
|
while (true) {
|
|
if (NS_WARN_IF(Destroyed())) {
|
|
rv = NS_ERROR_EDITOR_DESTROYED;
|
|
break;
|
|
}
|
|
|
|
// XXX Probably, we should spellcheck again after edit action (not top-level
|
|
// sub-action) is handled because the ranges can be referred only by
|
|
// users.
|
|
if (NS_WARN_IF(NS_FAILED(rv = HandleInlineSpellCheckAfterEdit()))) {
|
|
break;
|
|
}
|
|
|
|
if (NS_WARN_IF(NS_FAILED(rv = EnsurePaddingBRElementForEmptyEditor()))) {
|
|
break;
|
|
}
|
|
|
|
if (!IsSingleLineEditor() &&
|
|
NS_WARN_IF(NS_FAILED(rv = EnsurePaddingBRElementInMultilineEditor()))) {
|
|
break;
|
|
}
|
|
|
|
rv = EnsureCaretNotAtEndOfTextNode();
|
|
if (NS_WARN_IF(rv == NS_ERROR_EDITOR_DESTROYED)) {
|
|
break;
|
|
}
|
|
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
|
|
"EnsureCaretNotAtEndOfTextNode() failed, but ignored");
|
|
rv = NS_OK;
|
|
break;
|
|
}
|
|
EditorBase::OnEndHandlingTopLevelEditSubAction();
|
|
MOZ_ASSERT(!GetTopLevelEditSubAction());
|
|
MOZ_ASSERT(GetDirectionOfTopLevelEditSubAction() == eNone);
|
|
return rv;
|
|
}
|
|
|
|
EditActionResult TextEditor::InsertLineFeedCharacterAtSelection() {
|
|
MOZ_ASSERT(IsEditActionDataAvailable());
|
|
MOZ_ASSERT(!AsHTMLEditor());
|
|
MOZ_ASSERT(!IsSingleLineEditor());
|
|
|
|
UndefineCaretBidiLevel();
|
|
|
|
CANCEL_OPERATION_AND_RETURN_EDIT_ACTION_RESULT_IF_READONLY_OF_DISABLED
|
|
|
|
if (mMaxTextLength >= 0) {
|
|
nsAutoString insertionString(NS_LITERAL_STRING("\n"));
|
|
EditActionResult result =
|
|
TruncateInsertionStringForMaxLength(insertionString);
|
|
if (NS_WARN_IF(result.Failed())) {
|
|
return result;
|
|
}
|
|
if (result.Handled()) {
|
|
// Don't return as handled since we stopped inserting the line break.
|
|
return EditActionCanceled();
|
|
}
|
|
}
|
|
|
|
// if the selection isn't collapsed, delete it.
|
|
if (!SelectionRefPtr()->IsCollapsed()) {
|
|
nsresult rv =
|
|
DeleteSelectionAsSubAction(nsIEditor::eNone, nsIEditor::eStrip);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return EditActionIgnored(rv);
|
|
}
|
|
}
|
|
|
|
nsresult rv = EnsureNoPaddingBRElementForEmptyEditor();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return EditActionIgnored(rv);
|
|
}
|
|
|
|
// get the (collapsed) selection location
|
|
nsRange* firstRange = SelectionRefPtr()->GetRangeAt(0);
|
|
if (NS_WARN_IF(!firstRange)) {
|
|
return EditActionIgnored(NS_ERROR_FAILURE);
|
|
}
|
|
|
|
EditorRawDOMPoint pointToInsert(firstRange->StartRef());
|
|
if (NS_WARN_IF(!pointToInsert.IsSet())) {
|
|
return EditActionIgnored(NS_ERROR_FAILURE);
|
|
}
|
|
MOZ_ASSERT(pointToInsert.IsSetAndValid());
|
|
|
|
// Don't put text in places that can't have it.
|
|
if (!pointToInsert.IsInTextNode() &&
|
|
!CanContainTag(*pointToInsert.GetContainer(), *nsGkAtoms::textTagName)) {
|
|
return EditActionIgnored(NS_ERROR_FAILURE);
|
|
}
|
|
|
|
RefPtr<Document> document = GetDocument();
|
|
if (NS_WARN_IF(!document)) {
|
|
return EditActionIgnored(NS_ERROR_NOT_INITIALIZED);
|
|
}
|
|
|
|
// Don't change my selection in sub-transactions.
|
|
AutoTransactionsConserveSelection dontChangeMySelection(*this);
|
|
|
|
// Insert a linefeed character.
|
|
EditorRawDOMPoint pointAfterInsertedLineFeed;
|
|
rv = InsertTextWithTransaction(*document, NS_LITERAL_STRING("\n"),
|
|
pointToInsert, &pointAfterInsertedLineFeed);
|
|
if (NS_WARN_IF(!pointAfterInsertedLineFeed.IsSet())) {
|
|
return EditActionIgnored(NS_ERROR_FAILURE);
|
|
}
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return EditActionIgnored(rv);
|
|
}
|
|
|
|
// set the selection to the correct location
|
|
MOZ_ASSERT(
|
|
!pointAfterInsertedLineFeed.GetChild(),
|
|
"After inserting text into a text node, pointAfterInsertedLineFeed."
|
|
"GetChild() should be nullptr");
|
|
rv = SelectionRefPtr()->Collapse(pointAfterInsertedLineFeed);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return EditActionIgnored(rv);
|
|
}
|
|
|
|
// XXX I don't think we still need this. This must have been required when
|
|
// `<textarea>` was implemented with text nodes and `<br>` elements.
|
|
// see if we're at the end of the editor range
|
|
EditorRawDOMPoint endPoint(EditorBase::GetEndPoint(*SelectionRefPtr()));
|
|
if (endPoint == pointAfterInsertedLineFeed) {
|
|
// SetInterlinePosition(true) means we want the caret to stick to the
|
|
// content on the "right". We want the caret to stick to whatever is
|
|
// past the break. This is because the break is on the same line we
|
|
// were on, but the next content will be on the following line.
|
|
SelectionRefPtr()->SetInterlinePosition(true, IgnoreErrors());
|
|
}
|
|
|
|
return EditActionHandled();
|
|
}
|
|
|
|
nsresult TextEditor::EnsureCaretNotAtEndOfTextNode() {
|
|
MOZ_ASSERT(IsEditActionDataAvailable());
|
|
MOZ_ASSERT(IsPlaintextEditor());
|
|
|
|
// If there is no selection ranges, we should set to the end of the editor.
|
|
// This is usually performed in InitEditorContentAndSelection(), however,
|
|
// if the editor is reframed, this may be called by
|
|
// OnEndHandlingTopLevelEditSubAction().
|
|
if (!SelectionRefPtr()->RangeCount()) {
|
|
CollapseSelectionToEnd();
|
|
if (NS_WARN_IF(Destroyed())) {
|
|
return NS_ERROR_EDITOR_DESTROYED;
|
|
}
|
|
}
|
|
|
|
// If we are at the end of the <textarea> element, we need to set the
|
|
// selection to stick to the padding <br> element for empty last line at the
|
|
// end of the <textarea>.
|
|
EditorRawDOMPoint selectionStartPoint(
|
|
EditorBase::GetStartPoint(*SelectionRefPtr()));
|
|
if (NS_WARN_IF(!selectionStartPoint.IsSet())) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Nothing to do if we're not at the end of the text node.
|
|
if (!selectionStartPoint.IsInTextNode() ||
|
|
!selectionStartPoint.IsEndOfContainer()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
Element* anonymousDivElement = GetRoot();
|
|
if (NS_WARN_IF(!anonymousDivElement)) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
nsINode* parentNode = selectionStartPoint.GetContainer()->GetParentNode();
|
|
if (parentNode != anonymousDivElement) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsINode* nextNode = selectionStartPoint.GetContainer()->GetNextSibling();
|
|
if (!nextNode || !EditorBase::IsPaddingBRElementForEmptyLastLine(*nextNode)) {
|
|
return NS_OK;
|
|
}
|
|
|
|
EditorRawDOMPoint afterStartContainer(selectionStartPoint.GetContainer());
|
|
if (NS_WARN_IF(!afterStartContainer.AdvanceOffset())) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
ErrorResult error;
|
|
SelectionRefPtr()->Collapse(afterStartContainer, error);
|
|
if (NS_WARN_IF(Destroyed())) {
|
|
error.SuppressException();
|
|
return NS_ERROR_EDITOR_DESTROYED;
|
|
}
|
|
NS_WARNING_ASSERTION(!error.Failed(), "Selection::Collapse() failed");
|
|
return error.StealNSResult();
|
|
}
|
|
|
|
void TextEditor::HandleNewLinesInStringForSingleLineEditor(
|
|
nsString& aString) const {
|
|
static const char16_t kLF = static_cast<char16_t>('\n');
|
|
MOZ_ASSERT(IsEditActionDataAvailable());
|
|
MOZ_ASSERT(IsPlaintextEditor());
|
|
MOZ_ASSERT(aString.FindChar(static_cast<uint16_t>('\r')) == kNotFound);
|
|
|
|
// First of all, check if aString contains '\n' since if the string
|
|
// does not include it, we don't need to do nothing here.
|
|
int32_t firstLF = aString.FindChar(kLF, 0);
|
|
if (firstLF == kNotFound) {
|
|
return;
|
|
}
|
|
|
|
switch (mNewlineHandling) {
|
|
case nsIPlaintextEditor::eNewlinesReplaceWithSpaces:
|
|
// Default of Firefox:
|
|
// Strip trailing newlines first so we don't wind up with trailing spaces
|
|
aString.Trim(LFSTR, false, true);
|
|
aString.ReplaceChar(kLF, ' ');
|
|
break;
|
|
case nsIPlaintextEditor::eNewlinesStrip:
|
|
aString.StripChar(kLF);
|
|
break;
|
|
case nsIPlaintextEditor::eNewlinesPasteToFirst:
|
|
default: {
|
|
// we get first *non-empty* line.
|
|
int32_t offset = 0;
|
|
while (firstLF == offset) {
|
|
offset++;
|
|
firstLF = aString.FindChar(kLF, offset);
|
|
}
|
|
if (firstLF > 0) {
|
|
aString.Truncate(firstLF);
|
|
}
|
|
if (offset > 0) {
|
|
aString.Cut(0, offset);
|
|
}
|
|
break;
|
|
}
|
|
case nsIPlaintextEditor::eNewlinesReplaceWithCommas:
|
|
// Default of Thunderbird:
|
|
aString.Trim(LFSTR, true, true);
|
|
aString.ReplaceChar(kLF, ',');
|
|
break;
|
|
case nsIPlaintextEditor::eNewlinesStripSurroundingWhitespace: {
|
|
nsAutoString result;
|
|
uint32_t offset = 0;
|
|
while (offset < aString.Length()) {
|
|
int32_t nextLF = !offset ? firstLF : aString.FindChar(kLF, offset);
|
|
if (nextLF < 0) {
|
|
result.Append(nsDependentSubstring(aString, offset));
|
|
break;
|
|
}
|
|
uint32_t wsBegin = nextLF;
|
|
// look backwards for the first non-whitespace char
|
|
while (wsBegin > offset && NS_IS_SPACE(aString[wsBegin - 1])) {
|
|
--wsBegin;
|
|
}
|
|
result.Append(nsDependentSubstring(aString, offset, wsBegin - offset));
|
|
offset = nextLF + 1;
|
|
while (offset < aString.Length() && NS_IS_SPACE(aString[offset])) {
|
|
++offset;
|
|
}
|
|
}
|
|
aString = result;
|
|
break;
|
|
}
|
|
case nsIPlaintextEditor::eNewlinesPasteIntact:
|
|
// even if we're pasting newlines, don't paste leading/trailing ones
|
|
aString.Trim(LFSTR, true, true);
|
|
break;
|
|
}
|
|
}
|
|
|
|
EditActionResult TextEditor::HandleInsertText(
|
|
EditSubAction aEditSubAction, const nsAString& aInsertionString) {
|
|
MOZ_ASSERT(IsEditActionDataAvailable());
|
|
MOZ_ASSERT(aEditSubAction == EditSubAction::eInsertText ||
|
|
aEditSubAction == EditSubAction::eInsertTextComingFromIME);
|
|
|
|
UndefineCaretBidiLevel();
|
|
|
|
if (aInsertionString.IsEmpty() &&
|
|
aEditSubAction != EditSubAction::eInsertTextComingFromIME) {
|
|
// 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.
|
|
return EditActionCanceled();
|
|
}
|
|
|
|
nsAutoString insertionString(aInsertionString);
|
|
if (mMaxTextLength >= 0) {
|
|
EditActionResult result =
|
|
TruncateInsertionStringForMaxLength(insertionString);
|
|
if (NS_WARN_IF(result.Failed())) {
|
|
return result.MarkAsHandled();
|
|
}
|
|
// If we're exceeding the maxlength when composing IME, we need to clean up
|
|
// the composing text, so we shouldn't return early.
|
|
if (result.Handled() && insertionString.IsEmpty() &&
|
|
aEditSubAction != EditSubAction::eInsertTextComingFromIME) {
|
|
return EditActionCanceled();
|
|
}
|
|
}
|
|
|
|
uint32_t start = 0;
|
|
if (IsPasswordEditor()) {
|
|
if (GetComposition() && !GetComposition()->String().IsEmpty()) {
|
|
start = GetComposition()->XPOffsetInTextNode();
|
|
} else {
|
|
uint32_t end = 0;
|
|
nsContentUtils::GetSelectionInTextControl(SelectionRefPtr(), GetRoot(),
|
|
start, end);
|
|
}
|
|
}
|
|
|
|
// if the selection isn't collapsed, delete it.
|
|
if (!SelectionRefPtr()->IsCollapsed()) {
|
|
nsresult rv =
|
|
DeleteSelectionAsSubAction(nsIEditor::eNone, nsIEditor::eStrip);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return EditActionHandled(rv);
|
|
}
|
|
}
|
|
|
|
// XXX Why don't we cancel here? Shouldn't we do this first?
|
|
CANCEL_OPERATION_AND_RETURN_EDIT_ACTION_RESULT_IF_READONLY_OF_DISABLED
|
|
|
|
MaybeDoAutoPasswordMasking();
|
|
|
|
nsresult rv = EnsureNoPaddingBRElementForEmptyEditor();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return EditActionHandled(rv);
|
|
}
|
|
|
|
// 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()) {
|
|
// XXX Some callers of TextEditor::InsertTextAsAction() already make the
|
|
// string use only \n as a linebreaker. However, they are not hot
|
|
// path and nsContentUtils::PlatformToDOMLineBreaks() does nothing
|
|
// if the string doesn't include \r. So, let's convert linebreakers
|
|
// here. Note that there are too many callers of
|
|
// TextEditor::InsertTextAsAction(). So, it's difficult to keep
|
|
// maintaining all of them won't reach here without \r nor \r\n.
|
|
// XXX Should we handle do this before truncating the string for
|
|
// `maxlength`?
|
|
nsContentUtils::PlatformToDOMLineBreaks(insertionString);
|
|
HandleNewLinesInStringForSingleLineEditor(insertionString);
|
|
}
|
|
|
|
// get the (collapsed) selection location
|
|
nsRange* firstRange = SelectionRefPtr()->GetRangeAt(0);
|
|
if (NS_WARN_IF(!firstRange)) {
|
|
return EditActionHandled(NS_ERROR_FAILURE);
|
|
}
|
|
EditorRawDOMPoint atStartOfSelection(firstRange->StartRef());
|
|
if (NS_WARN_IF(!atStartOfSelection.IsSetAndValid())) {
|
|
return EditActionHandled(NS_ERROR_FAILURE);
|
|
}
|
|
|
|
// don't put text in places that can't have it
|
|
if (!atStartOfSelection.IsInTextNode() &&
|
|
!CanContainTag(*atStartOfSelection.GetContainer(),
|
|
*nsGkAtoms::textTagName)) {
|
|
return EditActionHandled(NS_ERROR_FAILURE);
|
|
}
|
|
|
|
RefPtr<Document> document = GetDocument();
|
|
if (NS_WARN_IF(!document)) {
|
|
return EditActionHandled(NS_ERROR_NOT_INITIALIZED);
|
|
}
|
|
|
|
if (aEditSubAction == EditSubAction::eInsertTextComingFromIME) {
|
|
EditorRawDOMPoint compositionStartPoint = GetCompositionStartPoint();
|
|
if (!compositionStartPoint.IsSet()) {
|
|
compositionStartPoint = FindBetterInsertionPoint(atStartOfSelection);
|
|
}
|
|
nsresult rv = InsertTextWithTransaction(*document, insertionString,
|
|
compositionStartPoint);
|
|
if (NS_WARN_IF(Destroyed())) {
|
|
return EditActionHandled(NS_ERROR_EDITOR_DESTROYED);
|
|
}
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return EditActionHandled(rv);
|
|
}
|
|
} else {
|
|
MOZ_ASSERT(aEditSubAction == EditSubAction::eInsertText);
|
|
|
|
// don't change my selection in subtransactions
|
|
AutoTransactionsConserveSelection dontChangeMySelection(*this);
|
|
|
|
EditorRawDOMPoint pointAfterStringInserted;
|
|
nsresult rv = InsertTextWithTransaction(*document, insertionString,
|
|
atStartOfSelection,
|
|
&pointAfterStringInserted);
|
|
if (NS_WARN_IF(Destroyed())) {
|
|
return EditActionHandled(NS_ERROR_EDITOR_DESTROYED);
|
|
}
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return EditActionHandled(rv);
|
|
}
|
|
|
|
if (pointAfterStringInserted.IsSet()) {
|
|
// 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.
|
|
bool endsWithLF =
|
|
!insertionString.IsEmpty() && insertionString.Last() == nsCRT::LF;
|
|
IgnoredErrorResult ignoredError;
|
|
SelectionRefPtr()->SetInterlinePosition(endsWithLF, ignoredError);
|
|
NS_WARNING_ASSERTION(
|
|
!ignoredError.Failed(),
|
|
"Selection::SetInterlinePosition() failed, but ignored");
|
|
|
|
MOZ_ASSERT(
|
|
!pointAfterStringInserted.GetChild(),
|
|
"After inserting text into a text node, pointAfterStringInserted."
|
|
"GetChild() should be nullptr");
|
|
ignoredError = IgnoredErrorResult();
|
|
SelectionRefPtr()->Collapse(pointAfterStringInserted, ignoredError);
|
|
if (NS_WARN_IF(Destroyed())) {
|
|
return EditActionHandled(NS_ERROR_EDITOR_DESTROYED);
|
|
}
|
|
NS_WARNING_ASSERTION(!ignoredError.Failed(),
|
|
"Selection::Collapse() failed, but ignored");
|
|
}
|
|
}
|
|
|
|
// Unmask inputted character(s) if necessary.
|
|
if (IsPasswordEditor() && IsMaskingPassword() && CanEchoPasswordNow()) {
|
|
nsresult rv = SetUnmaskRangeAndNotify(start, insertionString.Length(),
|
|
LookAndFeel::GetPasswordMaskDelay());
|
|
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "SetUnmaskRangeAndNotify() failed");
|
|
return EditActionHandled(rv);
|
|
}
|
|
|
|
return EditActionHandled();
|
|
}
|
|
|
|
EditActionResult TextEditor::SetTextWithoutTransaction(
|
|
const nsAString& aValue) {
|
|
MOZ_ASSERT(IsEditActionDataAvailable());
|
|
MOZ_ASSERT(!AsHTMLEditor());
|
|
MOZ_ASSERT(IsPlaintextEditor());
|
|
MOZ_ASSERT(!IsIMEComposing());
|
|
MOZ_ASSERT(!IsUndoRedoEnabled());
|
|
MOZ_ASSERT(GetEditAction() != EditAction::eReplaceText);
|
|
MOZ_ASSERT(mMaxTextLength < 0);
|
|
MOZ_ASSERT(aValue.FindChar(static_cast<char16_t>('\r')) == kNotFound);
|
|
|
|
UndefineCaretBidiLevel();
|
|
|
|
// XXX If we're setting value, shouldn't we keep setting the new value here?
|
|
CANCEL_OPERATION_AND_RETURN_EDIT_ACTION_RESULT_IF_READONLY_OF_DISABLED
|
|
|
|
MaybeDoAutoPasswordMasking();
|
|
|
|
nsresult rv = EnsureNoPaddingBRElementForEmptyEditor();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return EditActionResult(rv);
|
|
}
|
|
|
|
RefPtr<Element> anonymousDivElement = GetRoot();
|
|
nsIContent* firstChild = anonymousDivElement->GetFirstChild();
|
|
|
|
// We can use this fast path only when:
|
|
// - we need to insert a text node.
|
|
// - we need to replace content of existing text node.
|
|
// Additionally, for avoiding odd result, we should check whether we're in
|
|
// usual condition.
|
|
if (IsSingleLineEditor()) {
|
|
// If we're a single line text editor, i.e., <input>, there is only padding
|
|
// <br> element. Otherwise, there should be only one text node. But note
|
|
// that even if there is a padding <br> element for empty editor, it's
|
|
// already been removed by `EnsureNoPaddingBRElementForEmptyEditor()`. So,
|
|
// at here, there should be only one text node or no children.
|
|
if (firstChild && (!firstChild->IsText() || firstChild->GetNextSibling())) {
|
|
return EditActionIgnored();
|
|
}
|
|
} else {
|
|
// If we're a multiline text editor, i.e., <textarea>, there is a padding
|
|
// <br> element for empty last line followed by scrollbar/resizer elements.
|
|
// Otherwise, a text node is followed by them.
|
|
if (!firstChild) {
|
|
return EditActionIgnored();
|
|
}
|
|
if (firstChild->IsText()) {
|
|
if (!firstChild->GetNextSibling() ||
|
|
!EditorBase::IsPaddingBRElementForEmptyLastLine(
|
|
*firstChild->GetNextSibling())) {
|
|
return EditActionIgnored();
|
|
}
|
|
} else if (!EditorBase::IsPaddingBRElementForEmptyLastLine(*firstChild)) {
|
|
return EditActionIgnored();
|
|
}
|
|
}
|
|
|
|
// XXX Password fields accept line breaks as normal characters with this code.
|
|
// Is this intentional?
|
|
nsAutoString sanitizedValue(aValue);
|
|
if (IsSingleLineEditor() && !IsPasswordEditor()) {
|
|
HandleNewLinesInStringForSingleLineEditor(sanitizedValue);
|
|
}
|
|
|
|
if (!firstChild || !firstChild->IsText()) {
|
|
if (sanitizedValue.IsEmpty()) {
|
|
return EditActionHandled();
|
|
}
|
|
RefPtr<Document> document = GetDocument();
|
|
if (NS_WARN_IF(!document)) {
|
|
return EditActionIgnored();
|
|
}
|
|
RefPtr<nsTextNode> newTextNode = CreateTextNode(sanitizedValue);
|
|
if (NS_WARN_IF(!newTextNode)) {
|
|
return EditActionIgnored();
|
|
}
|
|
nsresult rv = InsertNodeWithTransaction(
|
|
*newTextNode, EditorDOMPoint(anonymousDivElement, 0));
|
|
if (NS_WARN_IF(Destroyed())) {
|
|
return EditActionResult(NS_ERROR_EDITOR_DESTROYED);
|
|
}
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return EditActionResult(rv);
|
|
}
|
|
return EditActionHandled();
|
|
}
|
|
|
|
// TODO: If new value is empty string, we should only remove it.
|
|
RefPtr<Text> textNode = firstChild->GetAsText();
|
|
if (MOZ_UNLIKELY(NS_WARN_IF(!textNode))) {
|
|
return EditActionIgnored();
|
|
}
|
|
rv = SetTextNodeWithoutTransaction(sanitizedValue, *textNode);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return EditActionResult(rv);
|
|
}
|
|
|
|
// If we replaced non-empty value with empty string, we need to delete the
|
|
// text node.
|
|
if (sanitizedValue.IsEmpty() && !textNode->Length()) {
|
|
nsresult rv = DeleteNodeWithTransaction(*textNode);
|
|
if (NS_WARN_IF(rv == NS_ERROR_EDITOR_DESTROYED)) {
|
|
return EditActionResult(NS_ERROR_EDITOR_DESTROYED);
|
|
}
|
|
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
|
|
"DeleteNodeWithTransaction() failed, but ignored");
|
|
// XXX I don't think this is necessary because the anonymous `<div>`
|
|
// element has now only padding `<br>` element even if there are
|
|
// something.
|
|
IgnoredErrorResult ignoredError;
|
|
SelectionRefPtr()->SetInterlinePosition(true, ignoredError);
|
|
NS_WARNING_ASSERTION(!ignoredError.Failed(),
|
|
"Selection::SetInterlinePoisition() failed");
|
|
}
|
|
|
|
return EditActionHandled();
|
|
}
|
|
|
|
EditActionResult TextEditor::HandleDeleteSelection(
|
|
nsIEditor::EDirection aDirectionAndAmount,
|
|
nsIEditor::EStripWrappers aStripWrappers) {
|
|
MOZ_ASSERT(IsEditActionDataAvailable());
|
|
|
|
UndefineCaretBidiLevel();
|
|
|
|
CANCEL_OPERATION_AND_RETURN_EDIT_ACTION_RESULT_IF_READONLY_OF_DISABLED
|
|
|
|
// if there is only padding <br> element for empty editor, cancel the
|
|
// operation.
|
|
if (mPaddingBRElementForEmptyEditor) {
|
|
return EditActionCanceled();
|
|
}
|
|
EditActionResult result =
|
|
HandleDeleteSelectionInternal(aDirectionAndAmount, aStripWrappers);
|
|
// HandleDeleteSelectionInternal() creates SelectionBatcher. Therefore,
|
|
// quitting from it might cause having destroyed the editor.
|
|
if (NS_WARN_IF(Destroyed())) {
|
|
return result.SetResult(NS_ERROR_EDITOR_DESTROYED);
|
|
}
|
|
NS_WARNING_ASSERTION(result.Succeeded(),
|
|
"HandleDeleteSelectionInternal() failed");
|
|
return result;
|
|
}
|
|
|
|
EditActionResult TextEditor::HandleDeleteSelectionInternal(
|
|
nsIEditor::EDirection aDirectionAndAmount,
|
|
nsIEditor::EStripWrappers aStripWrappers) {
|
|
MOZ_ASSERT(IsEditActionDataAvailable());
|
|
MOZ_ASSERT(!AsHTMLEditor());
|
|
|
|
// If the current selection is empty (e.g the user presses backspace with
|
|
// a collapsed selection), then we want to avoid sending the selectstart
|
|
// event to the user, so we hide selection changes. However, we still
|
|
// want to send a single selectionchange event to the document, so we
|
|
// batch the selectionchange events, such that a single event fires after
|
|
// the AutoHideSelectionChanges destructor has been run.
|
|
SelectionBatcher selectionBatcher(SelectionRefPtr());
|
|
AutoHideSelectionChanges hideSelection(SelectionRefPtr());
|
|
nsAutoScriptBlocker scriptBlocker;
|
|
|
|
if (IsPasswordEditor() && IsMaskingPassword()) {
|
|
MaskAllCharacters();
|
|
} else {
|
|
EditorRawDOMPoint selectionStartPoint(
|
|
EditorBase::GetStartPoint(*SelectionRefPtr()));
|
|
if (NS_WARN_IF(!selectionStartPoint.IsSet())) {
|
|
return EditActionResult(NS_ERROR_FAILURE);
|
|
}
|
|
|
|
if (!SelectionRefPtr()->IsCollapsed()) {
|
|
nsresult rv =
|
|
DeleteSelectionWithTransaction(aDirectionAndAmount, aStripWrappers);
|
|
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
|
|
"DeleteSelectionWithTransaction() failed");
|
|
return EditActionHandled(rv);
|
|
}
|
|
|
|
// Test for distance between caret and text that will be deleted
|
|
EditActionResult result =
|
|
SetCaretBidiLevelForDeletion(selectionStartPoint, aDirectionAndAmount);
|
|
if (NS_WARN_IF(result.Failed()) || result.Canceled()) {
|
|
return result;
|
|
}
|
|
}
|
|
|
|
nsresult rv = ExtendSelectionForDelete(&aDirectionAndAmount);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return EditActionResult(rv);
|
|
}
|
|
|
|
rv = DeleteSelectionWithTransaction(aDirectionAndAmount, aStripWrappers);
|
|
if (NS_WARN_IF(Destroyed())) {
|
|
return EditActionResult(NS_ERROR_EDITOR_DESTROYED);
|
|
}
|
|
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
|
|
"DeleteSelectionWithTransaction() failed");
|
|
return EditActionHandled(rv);
|
|
}
|
|
|
|
EditActionResult TextEditor::ComputeValueFromTextNodeAndPaddingBRElement(
|
|
nsAString& aValue) const {
|
|
MOZ_ASSERT(IsEditActionDataAvailable());
|
|
|
|
// If there is a padding <br> element, there's no content. So output empty
|
|
// string.
|
|
if (mPaddingBRElementForEmptyEditor) {
|
|
aValue.Truncate();
|
|
return EditActionHandled();
|
|
}
|
|
|
|
// If it's neither <input type="text"> nor <textarea>, e.g., an HTML editor
|
|
// which is in plaintext mode (e.g., plaintext email composer on Thunderbird),
|
|
// it should be handled by the expensive path.
|
|
if (AsHTMLEditor()) {
|
|
return EditActionIgnored();
|
|
}
|
|
|
|
Element* anonymousDivElement = GetRoot();
|
|
if (!anonymousDivElement) {
|
|
// Don't warn this case, this is possible, e.g., 997805.html
|
|
aValue.Truncate();
|
|
return EditActionHandled();
|
|
}
|
|
|
|
nsIContent* textNodeOrPaddingBRElement = anonymousDivElement->GetFirstChild();
|
|
if (!textNodeOrPaddingBRElement) {
|
|
aValue.Truncate();
|
|
return EditActionHandled();
|
|
}
|
|
|
|
// If it's an <input type="text"> element, the DOM tree should be:
|
|
// <div class="anonymous-div">
|
|
// #text
|
|
// </div>
|
|
//
|
|
// If it's a <textarea> element, the DOM tree should be:
|
|
// <div class="anonymous-div">
|
|
// #text (if there is)
|
|
// <br type="_moz">
|
|
// <scrollbar orient="horizontal">
|
|
// ...
|
|
// </div>
|
|
|
|
Text* textNode = textNodeOrPaddingBRElement->GetAsText();
|
|
if (!textNode) {
|
|
// If there is no text node in the expected DOM tree, we can say that it's
|
|
// just empty.
|
|
aValue.Truncate();
|
|
return EditActionHandled();
|
|
}
|
|
|
|
nsIContent* firstChildExceptText =
|
|
textNode ? textNodeOrPaddingBRElement->GetNextSibling()
|
|
: textNodeOrPaddingBRElement;
|
|
// If the DOM tree is unexpected, fall back to the expensive path.
|
|
bool isInput = IsSingleLineEditor();
|
|
bool isTextarea = !isInput;
|
|
if (NS_WARN_IF(isInput && firstChildExceptText) ||
|
|
NS_WARN_IF(isTextarea && !firstChildExceptText) ||
|
|
NS_WARN_IF(isTextarea &&
|
|
!EditorBase::IsPaddingBRElementForEmptyLastLine(
|
|
*firstChildExceptText) &&
|
|
!firstChildExceptText->IsXULElement(nsGkAtoms::scrollbar))) {
|
|
return EditActionIgnored();
|
|
}
|
|
|
|
// Otherwise, the text data is the value.
|
|
textNode->GetData(aValue);
|
|
return EditActionHandled();
|
|
}
|
|
|
|
nsresult TextEditor::EnsurePaddingBRElementInMultilineEditor() {
|
|
MOZ_ASSERT(IsEditActionDataAvailable());
|
|
MOZ_ASSERT(IsPlaintextEditor());
|
|
MOZ_ASSERT(!IsSingleLineEditor());
|
|
|
|
Element* anonymousDivElement = GetRoot();
|
|
if (NS_WARN_IF(!anonymousDivElement)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Assuming EditorBase::MaybeCreatePaddingBRElementForEmptyEditor() has been
|
|
// called first.
|
|
// XXX This assumption is wrong. This method may be called alone. Actually,
|
|
// we see this warning in mochitest log. So, we should fix this bug
|
|
// later.
|
|
if (NS_WARN_IF(!anonymousDivElement->GetLastChild())) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
RefPtr<HTMLBRElement> brElement =
|
|
HTMLBRElement::FromNode(anonymousDivElement->GetLastChild());
|
|
if (!brElement) {
|
|
AutoTransactionsConserveSelection dontChangeMySelection(*this);
|
|
EditorDOMPoint endOfAnonymousDiv(
|
|
EditorDOMPoint::AtEndOf(*anonymousDivElement));
|
|
CreateElementResult createPaddingBRResult =
|
|
InsertPaddingBRElementForEmptyLastLineWithTransaction(
|
|
endOfAnonymousDiv);
|
|
NS_WARNING_ASSERTION(
|
|
createPaddingBRResult.Succeeded(),
|
|
"InsertPaddingBRElementForEmptyLastLineWithTransaction() failed");
|
|
return createPaddingBRResult.Rv();
|
|
}
|
|
|
|
// Check to see if the trailing BR is a former padding <br> element for empty
|
|
// editor - this will have stuck around if we previously morphed a trailing
|
|
// node into a padding <br> element.
|
|
if (!brElement->IsPaddingForEmptyEditor()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// Morph it back to a padding <br> element for empty last line.
|
|
brElement->UnsetFlags(NS_PADDING_FOR_EMPTY_EDITOR);
|
|
brElement->SetFlags(NS_PADDING_FOR_EMPTY_LAST_LINE);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
EditActionResult TextEditor::TruncateInsertionStringForMaxLength(
|
|
nsAString& aInsertionString) {
|
|
MOZ_ASSERT(IsEditActionDataAvailable());
|
|
MOZ_ASSERT(mMaxTextLength >= 0);
|
|
|
|
if (!IsPlaintextEditor() || IsIMEComposing()) {
|
|
return EditActionIgnored();
|
|
}
|
|
|
|
int32_t currentLength = INT32_MAX;
|
|
nsresult rv = GetTextLength(¤tLength);
|
|
if (NS_FAILED(rv)) {
|
|
return EditActionResult(rv);
|
|
}
|
|
|
|
uint32_t selectionStart, selectionEnd;
|
|
nsContentUtils::GetSelectionInTextControl(SelectionRefPtr(), GetRoot(),
|
|
selectionStart, selectionEnd);
|
|
|
|
TextComposition* composition = GetComposition();
|
|
const uint32_t kOldCompositionStringLength =
|
|
composition ? composition->String().Length() : 0;
|
|
|
|
const uint32_t kSelectionLength = selectionEnd - selectionStart;
|
|
// XXX This computation must be wrong. If we'll support non-collapsed
|
|
// selection even during composition for Korean IME, kSelectionLength
|
|
// is part of kOldCompositionStringLength.
|
|
const uint32_t kNewLength =
|
|
currentLength - kSelectionLength - kOldCompositionStringLength;
|
|
if (kNewLength >= static_cast<uint32_t>(mMaxTextLength)) {
|
|
aInsertionString.Truncate(); // Too long, we cannot accept new character.
|
|
return EditActionHandled();
|
|
}
|
|
|
|
if (aInsertionString.Length() + kNewLength <=
|
|
static_cast<uint32_t>(mMaxTextLength)) {
|
|
return EditActionIgnored(); // Enough short string.
|
|
}
|
|
|
|
int32_t newInsertionStringLength = mMaxTextLength - kNewLength;
|
|
MOZ_ASSERT(newInsertionStringLength > 0);
|
|
char16_t maybeHighSurrogate =
|
|
aInsertionString.CharAt(newInsertionStringLength - 1);
|
|
char16_t maybeLowSurrogate =
|
|
aInsertionString.CharAt(newInsertionStringLength);
|
|
// Don't split the surrogate pair.
|
|
if (NS_IS_SURROGATE_PAIR(maybeHighSurrogate, maybeLowSurrogate)) {
|
|
newInsertionStringLength--;
|
|
}
|
|
// XXX What should we do if we're removing IVS but its preceding
|
|
// character won't be removed?
|
|
aInsertionString.Truncate(newInsertionStringLength);
|
|
return EditActionHandled();
|
|
}
|
|
|
|
bool TextEditor::CanEchoPasswordNow() const {
|
|
if (!LookAndFeel::GetEchoPassword() ||
|
|
(mFlags & nsIPlaintextEditor::eEditorDontEchoPassword)) {
|
|
return false;
|
|
}
|
|
|
|
return GetEditAction() != EditAction::eDrop &&
|
|
GetEditAction() != EditAction::ePaste;
|
|
}
|
|
|
|
} // namespace mozilla
|