void CreateLinkCommand::doApply()
{
if (endingSelection().isNone())
return;
RefPtr<HTMLAnchorElement> anchorElement = HTMLAnchorElement::create(document());
anchorElement->setHref(m_url);
if (endingSelection().isRange())
applyStyledElement(anchorElement.release());
else {
insertNodeAt(anchorElement.get(), endingSelection().start());
RefPtr<Text> textNode = Text::create(document(), m_url);
appendNode(textNode.release(), anchorElement.get());
setEndingSelection(VisibleSelection(positionInParentBeforeNode(anchorElement.get()), positionInParentAfterNode(anchorElement.get()), DOWNSTREAM, endingSelection().isDirectional()));
}
}
void CreateLinkCommand::doApply()
{
if (endingSelection().isNone())
return;
RefPtrWillBeRawPtr<HTMLAnchorElement> anchorElement = HTMLAnchorElement::create(document());
anchorElement->setHref(AtomicString(m_url));
if (endingSelection().isRange()) {
applyStyledElement(anchorElement.get());
} else {
insertNodeAt(anchorElement.get(), endingSelection().start());
RefPtrWillBeRawPtr<Text> textNode = Text::create(document(), m_url);
appendNode(textNode.get(), anchorElement.get());
setEndingSelection(VisibleSelection(positionInParentBeforeNode(*anchorElement), positionInParentAfterNode(*anchorElement), TextAffinity::Downstream, endingSelection().isDirectional()));
}
}
// TODO(yosin): We should make |adjustSelectionInDOMTree()| to return
// |VisibleSelection| once |VisibleSelection| constructor doesn't call
// |validate()|.
void SelectionAdjuster::adjustSelectionInDOMTree(
VisibleSelection* selection,
const VisibleSelectionInFlatTree& selectionInFlatTree) {
if (selectionInFlatTree.isNone()) {
*selection = VisibleSelection();
return;
}
const Position& base = toPositionInDOMTree(selectionInFlatTree.base());
const Position& extent = toPositionInDOMTree(selectionInFlatTree.extent());
if (isCrossingShadowBoundaries(selectionInFlatTree)) {
DCHECK(base.document());
// TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
// needs to be audited. See http://crbug.com/590369 for more details.
// This layout update call cannot be hoisted out of the |if|, otherwise it's
// going to cause performance regression (http://crbug.com/652301).
// TODO(yosin): Implement and apply lazy visible selection validation so
// that we don't need to update layout here.
base.document()->updateStyleAndLayoutIgnorePendingStylesheets();
*selection = createVisibleSelection(
SelectionInDOMTree::Builder().setBaseAndExtent(base, extent).build());
return;
}
const Position& position1 = toPositionInDOMTree(selectionInFlatTree.start());
const Position& position2 = toPositionInDOMTree(selectionInFlatTree.end());
selection->m_base = base;
selection->m_extent = extent;
selection->m_affinity = selectionInFlatTree.m_affinity;
selection->m_isDirectional = selectionInFlatTree.m_isDirectional;
selection->m_granularity = selectionInFlatTree.m_granularity;
selection->m_hasTrailingWhitespace =
selectionInFlatTree.m_hasTrailingWhitespace;
selection->m_baseIsFirst = base.isNull() || base.compareTo(extent) <= 0;
if (position1.compareTo(position2) <= 0) {
selection->m_start = position1;
selection->m_end = position2;
} else {
selection->m_start = position2;
selection->m_end = position1;
}
selection->updateSelectionType();
}
// Make sure we switch to word granularity right away when starting on a
// word boundary and extending.
TEST_F(GranularityStrategyTest, DirectionSwitchStartOnBoundary)
{
dummyPageHolder().frame().settings()->setDefaultFontSize(12);
String str = "ab cd efghijkl mnopqr iiin, abc";
RawPtr<Text> text = document().createTextNode(str);
document().body()->appendChild(text);
dummyPageHolder().frame().settings()->setSelectionStrategy(SelectionStrategy::Direction);
parseText(text.get());
// "ab cd efghijkl ^mnopqr |>stuvwi inm," (^ means base and | means extent,
// > means end).
selection().setSelection(VisibleSelection(Position(text, 15), Position(text, 22)));
EXPECT_EQ_SELECTED_TEXT("mnopqr ");
selection().moveRangeSelectionExtent(m_wordMiddles[4]);
EXPECT_EQ_SELECTED_TEXT("mnopqr iiin");
}
// This avoids the expense of a full fledged delete operation, and avoids a layout that typically results
// from text removal.
bool InsertTextCommand::performTrivialReplace(const String& text, bool selectInsertedText)
{
if (!endingSelection().isRange())
return false;
if (text.contains('\t') || text.contains(' ') || text.contains('\n'))
return false;
Position start = endingSelection().start();
Position endPosition = replaceSelectedTextInNode(text);
if (endPosition.isNull())
return false;
setEndingSelectionWithoutValidation(start, endPosition);
if (!selectInsertedText)
setEndingSelection(VisibleSelection(endingSelection().visibleEnd(), endingSelection().isDirectional()));
return true;
}
// DirectionGranularityStrategy strategy on rotated text should revert to the
// same behavior as CharacterGranularityStrategy
TEST_F(GranularityStrategyTest, DirectionRotate)
{
RefPtrWillBeRawPtr<Text> text = setupRotate("Foo Bar Baz,");
// "Foo B^a|>r Baz," (^ means base, | means extent, , < means start, and > means end).
selection().setSelection(VisibleSelection(Position(text, 5), Position(text, 6)));
EXPECT_EQ_SELECTED_TEXT("a");
IntPoint p = m_letterPos[9];
// Need to move by one pixel, otherwise this point is not evaluated
// to the same line as the text by hit testing.
p.move(1, 0);
// "Foo B^ar B|>az,"
selection().moveRangeSelectionExtent(p);
EXPECT_EQ_SELECTED_TEXT("ar B");
p = m_letterPos[1];
p.move(1, 0);
// "F<|oo B^ar Baz,"
selection().moveRangeSelectionExtent(p);
EXPECT_EQ_SELECTED_TEXT("oo B");
}
void FindController::getImageForFindMatch(uint32_t matchIndex)
{
if (matchIndex >= m_findMatches.size())
return;
Frame* frame = m_findMatches[matchIndex]->startContainer()->document()->frame();
if (!frame)
return;
VisibleSelection oldSelection = frame->selection()->selection();
frame->selection()->setSelection(VisibleSelection(m_findMatches[matchIndex].get()));
IntRect selectionRect;
ShareableBitmap::Handle handle;
getFindIndicatorBitmapAndRect(frame, handle, selectionRect);
frame->selection()->setSelection(oldSelection);
m_webPage->send(Messages::WebPageProxy::DidGetImageForFindMatch(handle, matchIndex));
}
bool InsertTextCommand::performOverwrite(const String& text, bool selectInsertedText)
{
Position start = endingSelection().start();
RefPtrWillBeRawPtr<Text> textNode = start.containerText();
if (!textNode)
return false;
unsigned count = std::min(text.length(), textNode->length() - start.offsetInContainerNode());
if (!count)
return false;
replaceTextInNode(textNode, start.offsetInContainerNode(), count, text);
Position endPosition = Position(textNode.release(), start.offsetInContainerNode() + text.length());
setEndingSelectionWithoutValidation(start, endPosition);
if (!selectInsertedText)
setEndingSelection(VisibleSelection(endingSelection().visibleEnd(), endingSelection().isDirectional()));
return true;
}
VisibleSelection visibleSelectionForClosestActualWordStart(const VisibleSelection& selection)
{
// VisibleSelection validation has a special case when the caret is at the end of a paragraph where
// it selects the paragraph marker. As well, if the position is at the end of a word, it will select
// only the space between words. We want to select an actual word so we move the selection to
// the start of the leftmost word if the character after the selection point is whitespace.
if (selection.selectionType() != VisibleSelection::RangeSelection) {
int leftDistance = 0;
int rightDistance = 0;
VisibleSelection leftSelection(previousWordPosition(selection.start()));
bool leftSelectionIsOnWord = !isWhitespace(leftSelection.visibleStart().characterAfter()) && leftSelection.start().containerNode() == selection.start().containerNode();
if (leftSelectionIsOnWord) {
VisibleSelection rangeSelection(endOfWord(leftSelection.start()), selection.visibleStart());
leftDistance = TextIterator::rangeLength(rangeSelection.toNormalizedRange().get());
}
VisibleSelection rightSelection = previousWordPosition(nextWordPosition(selection.start()));
bool rightSelectionIsOnWord = !isWhitespace(rightSelection.visibleStart().characterAfter()) && rightSelection.start().containerNode() == selection.start().containerNode();
if (rightSelectionIsOnWord) {
VisibleSelection rangeSelection = VisibleSelection(rightSelection.visibleStart(), selection.visibleStart());
rightDistance = TextIterator::rangeLength(rangeSelection.toNormalizedRange().get());
}
// Make sure we found an actual word. If not, return the original selection.
if (!leftSelectionIsOnWord && !rightSelectionIsOnWord)
return selection;
if (!rightSelectionIsOnWord || (leftSelectionIsOnWord && leftDistance <= rightDistance)) {
// Left is closer or right is invalid.
return leftSelection;
}
// Right is closer or equal, or left was invalid.
return rightSelection;
}
// No adjustment required.
return selection;
}
TEST_F(FrameSelectionTest, MoveRangeSelectionTest)
{
// "Foo Bar Baz,"
RefPtrWillBeRawPtr<Text> text = appendTextNode("Foo Bar Baz,");
// Itinitializes with "Foo B|a>r Baz," (| means start and > means end).
selection().setSelection(VisibleSelection(Position(text, 5), Position(text, 6)));
EXPECT_EQ_SELECTED_TEXT("a");
// "Foo B|ar B>az," with the Character granularity.
selection().moveRangeSelection(VisiblePosition(Position(text, 5)), VisiblePosition(Position(text, 9)), CharacterGranularity);
EXPECT_EQ_SELECTED_TEXT("ar B");
// "Foo B|ar B>az," with the Word granularity.
selection().moveRangeSelection(VisiblePosition(Position(text, 5)), VisiblePosition(Position(text, 9)), WordGranularity);
EXPECT_EQ_SELECTED_TEXT("Bar Baz");
// "Fo<o B|ar Baz," with the Character granularity.
selection().moveRangeSelection(VisiblePosition(Position(text, 5)), VisiblePosition(Position(text, 2)), CharacterGranularity);
EXPECT_EQ_SELECTED_TEXT("o B");
// "Fo<o B|ar Baz," with the Word granularity.
selection().moveRangeSelection(VisiblePosition(Position(text, 5)), VisiblePosition(Position(text, 2)), WordGranularity);
EXPECT_EQ_SELECTED_TEXT("Foo Bar");
}
PassRefPtr<Range> Editor::rangeOfString(const String& target, Range* referenceRange, FindOptions options)
{
if (target.isEmpty())
return nullptr;
// Start from an edge of the reference range. Which edge is used depends on whether we're searching forward or
// backward, and whether startInSelection is set.
Position searchStart = firstPositionInNode(m_frame.document());
Position searchEnd = lastPositionInNode(m_frame.document());
bool forward = !(options & Backwards);
bool startInReferenceRange = referenceRange && (options & StartInSelection);
if (referenceRange) {
if (forward)
searchStart = startInReferenceRange ? referenceRange->startPosition() : referenceRange->endPosition();
else
searchEnd = startInReferenceRange ? referenceRange->endPosition() : referenceRange->startPosition();
}
RefPtr<Range> resultRange = findStringBetweenPositions(target, searchStart, searchEnd, options);
// If we started in the reference range and the found range exactly matches the reference range, find again.
// Build a selection with the found range to remove collapsed whitespace.
// Compare ranges instead of selection objects to ignore the way that the current selection was made.
if (resultRange && startInReferenceRange && areRangesEqual(VisibleSelection(resultRange.get()).toNormalizedRange().get(), referenceRange)) {
if (forward)
searchStart = resultRange->endPosition();
else
searchEnd = resultRange->startPosition();
resultRange = findStringBetweenPositions(target, searchStart, searchEnd, options);
}
if (!resultRange && options & WrapAround) {
searchStart = firstPositionInNode(m_frame.document());
searchEnd = lastPositionInNode(m_frame.document());
resultRange = findStringBetweenPositions(target, searchStart, searchEnd, options);
}
return resultRange.release();
}
void MoveSelectionCommand::doApply()
{
ASSERT(endingSelection().isNonOrphanedRange());
Position pos = m_position;
if (pos.isNull())
return;
// Update the position otherwise it may become invalid after the selection is deleted.
Position selectionEnd = endingSelection().end();
if (pos.isOffsetInAnchor() && selectionEnd.isOffsetInAnchor()
&& selectionEnd.computeContainerNode() == pos.computeContainerNode() && selectionEnd.offsetInContainerNode() < pos.offsetInContainerNode()) {
pos = Position(pos.computeContainerNode(), pos.offsetInContainerNode() - selectionEnd.offsetInContainerNode());
Position selectionStart = endingSelection().start();
if (selectionStart.isOffsetInAnchor() && selectionStart.computeContainerNode() == pos.computeContainerNode())
pos = Position(pos.computeContainerNode(), pos.offsetInContainerNode() + selectionStart.offsetInContainerNode());
}
deleteSelection(m_smartDelete);
// If the node for the destination has been removed as a result of the deletion,
// set the destination to the ending point after the deletion.
// Fixes: <rdar://problem/3910425> REGRESSION (Mail): Crash in ReplaceSelectionCommand;
// selection is empty, leading to null deref
if (!pos.inDocument())
pos = endingSelection().start();
cleanupAfterDeletion(VisiblePosition(pos));
setEndingSelection(VisibleSelection(pos, endingSelection().affinity(), endingSelection().isDirectional()));
if (!pos.inDocument()) {
// Document was modified out from under us.
return;
}
ReplaceSelectionCommand::CommandOptions options = ReplaceSelectionCommand::SelectReplacement | ReplaceSelectionCommand::PreventNesting;
if (m_smartInsert)
options |= ReplaceSelectionCommand::SmartReplace;
applyCommandToComposite(ReplaceSelectionCommand::create(document(), m_fragment, options));
}
void GranularityStrategyTest::setupTextSpan(String str1, String str2, String str3, size_t selBegin, size_t selEnd)
{
RefPtrWillBeRawPtr<Text> text1 = document().createTextNode(str1);
RefPtrWillBeRawPtr<Text> text2 = document().createTextNode(str2);
RefPtrWillBeRawPtr<Text> text3 = document().createTextNode(str3);
RefPtrWillBeRawPtr<Element> span = HTMLSpanElement::create(document());
Element* div = document().getElementById("mytext");
div->appendChild(text1);
div->appendChild(span);
span->appendChild(text2);
div->appendChild(text3);
document().view()->updateAllLifecyclePhases();
Vector<IntPoint> letterPos;
Vector<IntPoint> wordMiddlePos;
TextNodeVector textNodes;
textNodes.append(text1);
textNodes.append(text2);
textNodes.append(text3);
parseText(textNodes);
Position p1;
Position p2;
if (selBegin < str1.length())
p1 = Position(text1, selBegin);
else if (selBegin < str1.length() + str2.length())
p1 = Position(text2, selBegin - str1.length());
else
p1 = Position(text3, selBegin - str1.length() - str2.length());
if (selEnd < str1.length())
p2 = Position(text1, selEnd);
else if (selEnd < str1.length() + str2.length())
p2 = Position(text2, selEnd - str1.length());
else
p2 = Position(text3, selEnd - str1.length() - str2.length());
selection().setSelection(VisibleSelection(p1, p2));
}
VisibleSelection VisibleSelection::selectionFromContentsOfNode(Node* node)
{
return VisibleSelection(firstDeepEditingPositionForNode(node), lastDeepEditingPositionForNode(node), DOWNSTREAM);
}
void PendingSelection::clear()
{
m_hasPendingSelection = false;
m_selection = VisibleSelection();
m_shouldShowBlockCursor = false;
}
VisibleSelection DirectionGranularityStrategy::updateExtent(const IntPoint& extentPoint, LocalFrame* frame)
{
const VisibleSelection& selection = frame->selection().selection();
if (m_state == StrategyState::Cleared)
m_state = StrategyState::Expanding;
VisiblePosition oldOffsetExtentPosition = selection.visibleExtent();
IntPoint oldExtentLocation = positionLocation(oldOffsetExtentPosition);
IntPoint oldOffsetExtentPoint = oldExtentLocation + m_diffExtentPointFromExtentPosition;
IntPoint oldExtentPoint = IntPoint(oldOffsetExtentPoint.x() - m_offset, oldOffsetExtentPoint.y());
// Apply the offset.
IntPoint newOffsetExtentPoint = extentPoint;
int dx = extentPoint.x() - oldExtentPoint.x();
if (m_offset != 0) {
if (m_offset > 0 && dx > 0)
m_offset = std::max(0, m_offset - dx);
else if (m_offset < 0 && dx < 0)
m_offset = std::min(0, m_offset - dx);
newOffsetExtentPoint.move(m_offset, 0);
}
VisiblePosition newOffsetExtentPosition = visiblePositionForContentsPoint(newOffsetExtentPoint, frame);
IntPoint newOffsetLocation = positionLocation(newOffsetExtentPosition);
// Reset the offset in case of a vertical change in the location (could be
// due to a line change or due to an unusual layout, e.g. rotated text).
bool verticalChange = newOffsetLocation.y() != oldExtentLocation.y();
if (verticalChange) {
m_offset = 0;
m_granularity = CharacterGranularity;
newOffsetExtentPoint = extentPoint;
newOffsetExtentPosition = visiblePositionForContentsPoint(extentPoint, frame);
}
const VisiblePosition base = selection.visibleBase();
// Do not allow empty selection.
if (newOffsetExtentPosition.deepEquivalent() == base.deepEquivalent())
return selection;
// The direction granularity strategy, particularly the "offset" feature
// doesn't work with non-horizontal text (e.g. when the text is rotated).
// So revert to the behavior equivalent to the character granularity
// strategy if we detect that the text's baseline coordinate changed
// without a line change.
if (verticalChange && inSameLine(newOffsetExtentPosition, oldOffsetExtentPosition))
return VisibleSelection(selection.visibleBase(), newOffsetExtentPosition);
int oldExtentBaseOrder = selection.isBaseFirst() ? 1 : -1;
int newExtentBaseOrder;
bool thisMoveShrunkSelection;
if (newOffsetExtentPosition.deepEquivalent() == oldOffsetExtentPosition.deepEquivalent()) {
if (m_granularity == CharacterGranularity)
return selection;
// If we are in Word granularity, we cannot exit here, since we may pass
// the middle of the word without changing the position (in which case
// the selection needs to expand).
thisMoveShrunkSelection = false;
newExtentBaseOrder = oldExtentBaseOrder;
} else {
bool selectionExpanded = arePositionsInSpecifiedOrder(newOffsetExtentPosition, oldOffsetExtentPosition, oldExtentBaseOrder);
bool extentBaseOrderSwitched = selectionExpanded ? false : !arePositionsInSpecifiedOrder(newOffsetExtentPosition, base, oldExtentBaseOrder);
newExtentBaseOrder = extentBaseOrderSwitched ? -oldExtentBaseOrder : oldExtentBaseOrder;
// Determine the word boundary, i.e. the boundary extending beyond which
// should change the granularity to WordGranularity.
VisiblePosition wordBoundary;
if (extentBaseOrderSwitched) {
// Special case.
// If the extent-base order was switched, then the selection is now
// expanding in a different direction than before. Therefore we
// calculate the word boundary in this new direction and based on
// the |base| position.
wordBoundary = nextWordBound(
base,
newExtentBaseOrder > 0 ? SearchDirection::SearchForward : SearchDirection::SearchBackwards,
BoundAdjust::NextBoundIfOnBound);
m_granularity = CharacterGranularity;
} else {
// Calculate the word boundary based on |oldExtentWithGranularity|.
// If selection was shrunk in the last update and the extent is now
// exactly on the word boundary - we need to take the next bound as
// the bound of the current word.
wordBoundary = nextWordBound(
oldOffsetExtentPosition,
oldExtentBaseOrder > 0 ? SearchDirection::SearchForward : SearchDirection::SearchBackwards,
m_state == StrategyState::Shrinking ? BoundAdjust::NextBoundIfOnBound : BoundAdjust::CurrentPosIfOnBound);
}
bool expandedBeyondWordBoundary;
if (selectionExpanded)
expandedBeyondWordBoundary = arePositionsInSpecifiedOrder(newOffsetExtentPosition, wordBoundary, newExtentBaseOrder);
else if (extentBaseOrderSwitched)
expandedBeyondWordBoundary = arePositionsInSpecifiedOrder(newOffsetExtentPosition, wordBoundary, newExtentBaseOrder);
else
expandedBeyondWordBoundary = false;
// The selection is shrunk if the extent changes position to be closer to
// the base, and the extent/base order wasn't switched.
thisMoveShrunkSelection = !extentBaseOrderSwitched && !selectionExpanded;
if (expandedBeyondWordBoundary)
m_granularity = WordGranularity;
else if (thisMoveShrunkSelection)
m_granularity = CharacterGranularity;
}
VisiblePosition newSelectionExtent = newOffsetExtentPosition;
if (m_granularity == WordGranularity) {
// Determine the bounds of the word where the extent is located.
// Set the selection extent to one of the two bounds depending on
// whether the extent is passed the middle of the word.
VisiblePosition boundBeforeExtent = nextWordBound(newOffsetExtentPosition, SearchDirection::SearchBackwards, BoundAdjust::CurrentPosIfOnBound);
VisiblePosition boundAfterExtent = nextWordBound(newOffsetExtentPosition, SearchDirection::SearchForward, BoundAdjust::CurrentPosIfOnBound);
int xMiddleBetweenBounds = (positionLocation(boundAfterExtent).x() + positionLocation(boundBeforeExtent).x()) / 2;
bool offsetExtentBeforeMiddle = newOffsetExtentPoint.x() < xMiddleBetweenBounds;
newSelectionExtent = offsetExtentBeforeMiddle ? boundBeforeExtent : boundAfterExtent;
// Update the offset if selection expanded in word granularity.
if (newSelectionExtent.deepEquivalent() != selection.visibleExtent().deepEquivalent()
&& ((newExtentBaseOrder > 0 && !offsetExtentBeforeMiddle) || (newExtentBaseOrder < 0 && offsetExtentBeforeMiddle))) {
m_offset = positionLocation(newSelectionExtent).x() - extentPoint.x();
}
}
// Only update the state if the selection actually changed as a result of
// this move.
if (newSelectionExtent.deepEquivalent() != selection.visibleExtent().deepEquivalent())
m_state = thisMoveShrunkSelection ? StrategyState::Shrinking : StrategyState::Expanding;
m_diffExtentPointFromExtentPosition = extentPoint + IntSize(m_offset, 0) - positionLocation(newSelectionExtent);
VisibleSelection newSelection = selection;
newSelection.setExtent(newSelectionExtent);
return newSelection;
}
void InsertParagraphSeparatorCommand::doApply()
{
if (!endingSelection().isNonOrphanedCaretOrRange())
return;
Position insertionPosition = endingSelection().start();
EAffinity affinity = endingSelection().affinity();
// Delete the current selection.
if (endingSelection().isRange()) {
calculateStyleBeforeInsertion(insertionPosition);
deleteSelection(false, true);
insertionPosition = endingSelection().start();
affinity = endingSelection().affinity();
}
// FIXME: The parentAnchoredEquivalent conversion needs to be moved into enclosingBlock.
RefPtr<Element> startBlock = enclosingBlock(insertionPosition.parentAnchoredEquivalent().containerNode());
Position canonicalPos = VisiblePosition(insertionPosition).deepEquivalent();
if (!startBlock
|| !startBlock->nonShadowBoundaryParentNode()
// FIXME: If the node is hidden, we don't have a canonical position so we will do the wrong thing for tables and <hr>. https://bugs.webkit.org/show_bug.cgi?id=40342
|| (!canonicalPos.isNull() && isRenderedTableElement(canonicalPos.deprecatedNode()))) {
applyCommandToComposite(InsertLineBreakCommand::create(document()));
return;
}
// Use the leftmost candidate.
insertionPosition = insertionPosition.upstream();
if (!insertionPosition.isCandidate())
insertionPosition = insertionPosition.downstream();
// Adjust the insertion position after the delete
insertionPosition = positionAvoidingSpecialElementBoundary(insertionPosition);
VisiblePosition visiblePos(insertionPosition, affinity);
calculateStyleBeforeInsertion(insertionPosition);
//---------------------------------------------------------------------
// Handle special case of typing return on an empty list item
if (breakOutOfEmptyListItem())
return;
//---------------------------------------------------------------------
// Prepare for more general cases.
bool isFirstInBlock = isStartOfBlock(visiblePos);
bool isLastInBlock = isEndOfBlock(visiblePos);
bool nestNewBlock = false;
// Create block to be inserted.
RefPtr<Element> blockToInsert = nullptr;
if (startBlock->isRootEditableElement()) {
blockToInsert = createDefaultParagraphElement(document());
nestNewBlock = true;
} else if (shouldUseDefaultParagraphElement(startBlock.get())) {
blockToInsert = createDefaultParagraphElement(document());
} else {
blockToInsert = startBlock->cloneElementWithoutChildren();
}
//---------------------------------------------------------------------
// Handle case when position is in the last visible position in its block,
// including when the block is empty.
if (isLastInBlock) {
if (nestNewBlock) {
if (isFirstInBlock && !lineBreakExistsAtVisiblePosition(visiblePos)) {
// The block is empty. Create an empty block to
// represent the paragraph that we're leaving.
RefPtr<HTMLElement> extraBlock = createDefaultParagraphElement(document());
appendNode(extraBlock, startBlock);
}
appendNode(blockToInsert, startBlock);
} else {
// Most of the time we want to stay at the nesting level of the startBlock (e.g., when nesting within lists). However,
// for div nodes, this can result in nested div tags that are hard to break out of.
Element* siblingElement = startBlock.get();
insertNodeAfter(blockToInsert, siblingElement);
}
// Recreate the same structure in the new paragraph.
Vector<RefPtr<Element> > ancestors;
getAncestorsInsideBlock(positionOutsideTabSpan(insertionPosition).deprecatedNode(), startBlock.get(), ancestors);
RefPtr<Element> parent = cloneHierarchyUnderNewBlock(ancestors, blockToInsert);
setEndingSelection(VisibleSelection(firstPositionInNode(parent.get()), DOWNSTREAM, endingSelection().isDirectional()));
return;
}
//---------------------------------------------------------------------
// Handle case when position is in the first visible position in its block, and
// similar case where previous position is in another, presumeably nested, block.
if (isFirstInBlock || !inSameBlock(visiblePos, visiblePos.previous())) {
Node* refNode = 0;
insertionPosition = positionOutsideTabSpan(insertionPosition);
if (isFirstInBlock && !nestNewBlock) {
refNode = startBlock.get();
} else if (isFirstInBlock && nestNewBlock) {
// startBlock should always have children, otherwise isLastInBlock would be true and it's handled above.
ASSERT(startBlock->hasChildren());
refNode = startBlock->firstChild();
}
else if (insertionPosition.deprecatedNode() == startBlock && nestNewBlock) {
refNode = NodeTraversal::childAt(*startBlock, insertionPosition.deprecatedEditingOffset());
ASSERT(refNode); // must be true or we'd be in the end of block case
} else
refNode = insertionPosition.deprecatedNode();
// find ending selection position easily before inserting the paragraph
insertionPosition = insertionPosition.downstream();
if (refNode)
insertNodeBefore(blockToInsert, refNode);
// Recreate the same structure in the new paragraph.
Vector<RefPtr<Element> > ancestors;
getAncestorsInsideBlock(positionAvoidingSpecialElementBoundary(positionOutsideTabSpan(insertionPosition)).deprecatedNode(), startBlock.get(), ancestors);
// In this case, we need to set the new ending selection.
setEndingSelection(VisibleSelection(insertionPosition, DOWNSTREAM, endingSelection().isDirectional()));
return;
}
//---------------------------------------------------------------------
// Handle the (more complicated) general case,
// Move downstream. Typing style code will take care of carrying along the
// style of the upstream position.
insertionPosition = insertionPosition.downstream();
// At this point, the insertionPosition's node could be a container, and we want to make sure we include
// all of the correct nodes when building the ancestor list. So this needs to be the deepest representation of the position
// before we walk the DOM tree.
insertionPosition = positionOutsideTabSpan(VisiblePosition(insertionPosition).deepEquivalent());
// If the returned position lies either at the end or at the start of an element that is ignored by editing
// we should move to its upstream or downstream position.
if (editingIgnoresContent(insertionPosition.deprecatedNode())) {
if (insertionPosition.atLastEditingPositionForNode())
insertionPosition = insertionPosition.downstream();
else if (insertionPosition.atFirstEditingPositionForNode())
insertionPosition = insertionPosition.upstream();
}
// Make sure we do not cause a rendered space to become unrendered.
// FIXME: We need the affinity for pos, but pos.downstream() does not give it
Position leadingWhitespace = leadingWhitespacePosition(insertionPosition, VP_DEFAULT_AFFINITY);
// FIXME: leadingWhitespacePosition is returning the position before preserved newlines for positions
// after the preserved newline, causing the newline to be turned into a nbsp.
if (leadingWhitespace.isNotNull() && leadingWhitespace.deprecatedNode()->isTextNode()) {
Text* textNode = toText(leadingWhitespace.deprecatedNode());
ASSERT(!textNode->renderer() || textNode->renderer()->style()->collapseWhiteSpace());
replaceTextInNodePreservingMarkers(textNode, leadingWhitespace.deprecatedEditingOffset(), 1, nonBreakingSpaceString());
}
// Split at pos if in the middle of a text node.
Position positionAfterSplit;
if (insertionPosition.anchorType() == Position::PositionIsOffsetInAnchor && insertionPosition.containerNode()->isTextNode()) {
RefPtr<Text> textNode = toText(insertionPosition.containerNode());
bool atEnd = static_cast<unsigned>(insertionPosition.offsetInContainerNode()) >= textNode->length();
if (insertionPosition.deprecatedEditingOffset() > 0 && !atEnd) {
splitTextNode(textNode, insertionPosition.offsetInContainerNode());
positionAfterSplit = firstPositionInNode(textNode.get());
insertionPosition.moveToPosition(textNode->previousSibling(), insertionPosition.offsetInContainerNode());
visiblePos = VisiblePosition(insertionPosition);
}
}
// If we got detached due to mutation events, just bail out.
if (!startBlock->parentNode())
return;
// Put the added block in the tree.
if (nestNewBlock) {
appendNode(blockToInsert.get(), startBlock);
} else {
insertNodeAfter(blockToInsert.get(), startBlock);
}
document().updateLayoutIgnorePendingStylesheets();
// Move the start node and the siblings of the start node.
if (VisiblePosition(insertionPosition) != VisiblePosition(positionBeforeNode(blockToInsert.get()))) {
Node* n;
if (insertionPosition.containerNode() == startBlock)
n = insertionPosition.computeNodeAfterPosition();
else {
Node* splitTo = insertionPosition.containerNode();
if (splitTo->isTextNode() && insertionPosition.offsetInContainerNode() >= caretMaxOffset(splitTo))
splitTo = NodeTraversal::next(*splitTo, startBlock.get());
ASSERT(splitTo);
splitTreeToNode(splitTo, startBlock.get());
for (n = startBlock->firstChild(); n; n = n->nextSibling()) {
VisiblePosition beforeNodePosition(positionBeforeNode(n));
if (!beforeNodePosition.isNull() && comparePositions(VisiblePosition(insertionPosition), beforeNodePosition) <= 0)
break;
}
}
moveRemainingSiblingsToNewParent(n, blockToInsert.get(), blockToInsert);
}
// Handle whitespace that occurs after the split
if (positionAfterSplit.isNotNull()) {
document().updateLayoutIgnorePendingStylesheets();
if (!positionAfterSplit.isRenderedCharacter()) {
// Clear out all whitespace and insert one non-breaking space
ASSERT(!positionAfterSplit.containerNode()->renderer() || positionAfterSplit.containerNode()->renderer()->style()->collapseWhiteSpace());
deleteInsignificantTextDownstream(positionAfterSplit);
if (positionAfterSplit.deprecatedNode()->isTextNode())
insertTextIntoNode(toText(positionAfterSplit.containerNode()), 0, nonBreakingSpaceString());
}
}
setEndingSelection(VisibleSelection(firstPositionInNode(blockToInsert.get()), DOWNSTREAM, endingSelection().isDirectional()));
}
void SpellChecker::advanceToNextMisspelling(bool startBeforeSelection)
{
// The basic approach is to search in two phases - from the selection end to the end of the doc, and
// then we wrap and search from the doc start to (approximately) where we started.
// Start at the end of the selection, search to edge of document. Starting at the selection end makes
// repeated "check spelling" commands work.
VisibleSelection selection(m_frame.selection().selection());
RefPtr<Range> spellingSearchRange(rangeOfContents(m_frame.document()));
bool startedWithSelection = false;
if (selection.start().deprecatedNode()) {
startedWithSelection = true;
if (startBeforeSelection) {
VisiblePosition start(selection.visibleStart());
// We match AppKit's rule: Start 1 character before the selection.
VisiblePosition oneBeforeStart = start.previous();
setStart(spellingSearchRange.get(), oneBeforeStart.isNotNull() ? oneBeforeStart : start);
} else {
setStart(spellingSearchRange.get(), selection.visibleEnd());
}
}
Position position = spellingSearchRange->startPosition();
if (!isEditablePosition(position)) {
// This shouldn't happen in very often because the Spelling menu items aren't enabled unless the
// selection is editable.
// This can happen in Mail for a mix of non-editable and editable content (like Stationary),
// when spell checking the whole document before sending the message.
// In that case the document might not be editable, but there are editable pockets that need to be spell checked.
position = firstEditableVisiblePositionAfterPositionInRoot(position, m_frame.document()).deepEquivalent();
if (position.isNull())
return;
Position rangeCompliantPosition = position.parentAnchoredEquivalent();
spellingSearchRange->setStart(rangeCompliantPosition.deprecatedNode(), rangeCompliantPosition.deprecatedEditingOffset(), IGNORE_EXCEPTION);
startedWithSelection = false; // won't need to wrap
}
// topNode defines the whole range we want to operate on
ContainerNode* topNode = highestEditableRoot(position);
// FIXME: lastOffsetForEditing() is wrong here if editingIgnoresContent(highestEditableRoot()) returns true (e.g. a <table>)
spellingSearchRange->setEnd(topNode, lastOffsetForEditing(topNode), IGNORE_EXCEPTION);
// If spellingSearchRange starts in the middle of a word, advance to the next word so we start checking
// at a word boundary. Going back by one char and then forward by a word does the trick.
if (startedWithSelection) {
VisiblePosition oneBeforeStart = startVisiblePosition(spellingSearchRange.get(), DOWNSTREAM).previous();
if (oneBeforeStart.isNotNull())
setStart(spellingSearchRange.get(), endOfWord(oneBeforeStart));
// else we were already at the start of the editable node
}
if (spellingSearchRange->collapsed())
return; // nothing to search in
// We go to the end of our first range instead of the start of it, just to be sure
// we don't get foiled by any word boundary problems at the start. It means we might
// do a tiny bit more searching.
Node* searchEndNodeAfterWrap = spellingSearchRange->endContainer();
int searchEndOffsetAfterWrap = spellingSearchRange->endOffset();
int misspellingOffset = 0;
GrammarDetail grammarDetail;
int grammarPhraseOffset = 0;
RefPtr<Range> grammarSearchRange = nullptr;
String badGrammarPhrase;
String misspelledWord;
bool isSpelling = true;
int foundOffset = 0;
String foundItem;
RefPtr<Range> firstMisspellingRange = nullptr;
if (unifiedTextCheckerEnabled()) {
grammarSearchRange = spellingSearchRange->cloneRange();
foundItem = TextCheckingHelper(spellCheckerClient(), spellingSearchRange).findFirstMisspellingOrBadGrammar(isGrammarCheckingEnabled(), isSpelling, foundOffset, grammarDetail);
if (isSpelling) {
misspelledWord = foundItem;
misspellingOffset = foundOffset;
} else {
badGrammarPhrase = foundItem;
grammarPhraseOffset = foundOffset;
}
} else {
misspelledWord = TextCheckingHelper(spellCheckerClient(), spellingSearchRange).findFirstMisspelling(misspellingOffset, false, firstMisspellingRange);
grammarSearchRange = spellingSearchRange->cloneRange();
if (!misspelledWord.isEmpty()) {
// Stop looking at start of next misspelled word
CharacterIterator chars(grammarSearchRange.get());
chars.advance(misspellingOffset);
grammarSearchRange->setEnd(chars.range()->startContainer(), chars.range()->startOffset(), IGNORE_EXCEPTION);
}
if (isGrammarCheckingEnabled())
badGrammarPhrase = TextCheckingHelper(spellCheckerClient(), grammarSearchRange).findFirstBadGrammar(grammarDetail, grammarPhraseOffset, false);
}
// If we found neither bad grammar nor a misspelled word, wrap and try again (but don't bother if we started at the beginning of the
// block rather than at a selection).
if (startedWithSelection && !misspelledWord && !badGrammarPhrase) {
spellingSearchRange->setStart(topNode, 0, IGNORE_EXCEPTION);
// going until the end of the very first chunk we tested is far enough
spellingSearchRange->setEnd(searchEndNodeAfterWrap, searchEndOffsetAfterWrap, IGNORE_EXCEPTION);
if (unifiedTextCheckerEnabled()) {
grammarSearchRange = spellingSearchRange->cloneRange();
foundItem = TextCheckingHelper(spellCheckerClient(), spellingSearchRange).findFirstMisspellingOrBadGrammar(isGrammarCheckingEnabled(), isSpelling, foundOffset, grammarDetail);
if (isSpelling) {
misspelledWord = foundItem;
misspellingOffset = foundOffset;
} else {
badGrammarPhrase = foundItem;
grammarPhraseOffset = foundOffset;
}
} else {
misspelledWord = TextCheckingHelper(spellCheckerClient(), spellingSearchRange).findFirstMisspelling(misspellingOffset, false, firstMisspellingRange);
grammarSearchRange = spellingSearchRange->cloneRange();
if (!misspelledWord.isEmpty()) {
// Stop looking at start of next misspelled word
CharacterIterator chars(grammarSearchRange.get());
chars.advance(misspellingOffset);
grammarSearchRange->setEnd(chars.range()->startContainer(), chars.range()->startOffset(), IGNORE_EXCEPTION);
}
if (isGrammarCheckingEnabled())
badGrammarPhrase = TextCheckingHelper(spellCheckerClient(), grammarSearchRange).findFirstBadGrammar(grammarDetail, grammarPhraseOffset, false);
}
}
if (!badGrammarPhrase.isEmpty()) {
// We found bad grammar. Since we only searched for bad grammar up to the first misspelled word, the bad grammar
// takes precedence and we ignore any potential misspelled word. Select the grammar detail, update the spelling
// panel, and store a marker so we draw the green squiggle later.
ASSERT(badGrammarPhrase.length() > 0);
ASSERT(grammarDetail.location != -1 && grammarDetail.length > 0);
// FIXME 4859190: This gets confused with doubled punctuation at the end of a paragraph
RefPtr<Range> badGrammarRange = TextIterator::subrange(grammarSearchRange.get(), grammarPhraseOffset + grammarDetail.location, grammarDetail.length);
m_frame.selection().setSelection(VisibleSelection(badGrammarRange.get(), SEL_DEFAULT_AFFINITY));
m_frame.selection().revealSelection();
m_frame.document()->markers().addMarker(badGrammarRange.get(), DocumentMarker::Grammar, grammarDetail.userDescription);
} else if (!misspelledWord.isEmpty()) {
// We found a misspelling, but not any earlier bad grammar. Select the misspelling, update the spelling panel, and store
// a marker so we draw the red squiggle later.
RefPtr<Range> misspellingRange = TextIterator::subrange(spellingSearchRange.get(), misspellingOffset, misspelledWord.length());
m_frame.selection().setSelection(VisibleSelection(misspellingRange.get(), DOWNSTREAM));
m_frame.selection().revealSelection();
spellCheckerClient().updateSpellingUIWithMisspelledWord(misspelledWord);
m_frame.document()->markers().addMarker(misspellingRange.get(), DocumentMarker::Spelling);
}
}
void InsertTextCommand::input(const String& text, bool selectInsertedText)
{
ASSERT(text.find('\n') == notFound);
if (!endingSelection().isNonOrphanedCaretOrRange())
return;
// Delete the current selection.
// FIXME: This delete operation blows away the typing style.
if (endingSelection().isRange()) {
if (performTrivialReplace(text, selectInsertedText))
return;
deleteSelection(false, true, true, false);
}
Position startPosition(endingSelection().start());
Position placeholder;
// We want to remove preserved newlines and brs that will collapse (and thus become unnecessary) when content
// is inserted just before them.
// FIXME: We shouldn't really have to do this, but removing placeholders is a workaround for 9661.
// If the caret is just before a placeholder, downstream will normalize the caret to it.
Position downstream(startPosition.downstream());
if (lineBreakExistsAtPosition(downstream)) {
// FIXME: This doesn't handle placeholders at the end of anonymous blocks.
VisiblePosition caret(startPosition);
if (isEndOfBlock(caret) && isStartOfParagraph(caret))
placeholder = downstream;
// Don't remove the placeholder yet, otherwise the block we're inserting into would collapse before
// we get a chance to insert into it. We check for a placeholder now, though, because doing so requires
// the creation of a VisiblePosition, and if we did that post-insertion it would force a layout.
}
// Insert the character at the leftmost candidate.
startPosition = startPosition.upstream();
// It is possible for the node that contains startPosition to contain only unrendered whitespace,
// and so deleteInsignificantText could remove it. Save the position before the node in case that happens.
Position positionBeforeStartNode(positionInParentBeforeNode(startPosition.node()));
deleteInsignificantText(startPosition.upstream(), startPosition.downstream());
if (!startPosition.node()->inDocument())
startPosition = positionBeforeStartNode;
if (!startPosition.isCandidate())
startPosition = startPosition.downstream();
startPosition = positionAvoidingSpecialElementBoundary(startPosition);
Position endPosition;
if (text == "\t") {
endPosition = insertTab(startPosition);
startPosition = endPosition.previous();
if (placeholder.isNotNull())
removePlaceholderAt(placeholder);
m_charactersAdded += 1;
} else {
// Make sure the document is set up to receive text
startPosition = prepareForTextInsertion(startPosition);
if (placeholder.isNotNull())
removePlaceholderAt(placeholder);
Text *textNode = static_cast<Text *>(startPosition.node());
int offset = startPosition.deprecatedEditingOffset();
insertTextIntoNode(textNode, offset, text);
endPosition = Position(textNode, offset + text.length());
// The insertion may require adjusting adjacent whitespace, if it is present.
rebalanceWhitespaceAt(endPosition);
// Rebalancing on both sides isn't necessary if we've inserted a space.
if (text != " ")
rebalanceWhitespaceAt(startPosition);
m_charactersAdded += text.length();
}
// We could have inserted a part of composed character sequence,
// so we are basically treating ending selection as a range to avoid validation.
// <http://bugs.webkit.org/show_bug.cgi?id=15781>
VisibleSelection forcedEndingSelection;
forcedEndingSelection.setWithoutValidation(startPosition, endPosition);
setEndingSelection(forcedEndingSelection);
// Handle the case where there is a typing style.
CSSMutableStyleDeclaration* typingStyle = document()->frame()->selection()->typingStyle();
RefPtr<CSSComputedStyleDeclaration> endingStyle = endPosition.computedStyle();
RefPtr<CSSValue> unicodeBidi;
RefPtr<CSSValue> direction;
if (typingStyle) {
unicodeBidi = typingStyle->getPropertyCSSValue(CSSPropertyUnicodeBidi);
direction = typingStyle->getPropertyCSSValue(CSSPropertyDirection);
}
endingStyle->diff(typingStyle);
if (typingStyle && unicodeBidi) {
ASSERT(unicodeBidi->isPrimitiveValue());
typingStyle->setProperty(CSSPropertyUnicodeBidi, static_cast<CSSPrimitiveValue*>(unicodeBidi.get())->getIdent());
if (direction) {
ASSERT(direction->isPrimitiveValue());
typingStyle->setProperty(CSSPropertyDirection, static_cast<CSSPrimitiveValue*>(direction.get())->getIdent());
}
}
if (typingStyle && typingStyle->length())
applyStyle(typingStyle);
if (!selectInsertedText)
setEndingSelection(VisibleSelection(endingSelection().end(), endingSelection().affinity()));
}
void InsertTextCommand::input(const String& text, bool selectInsertedText, RebalanceType whitespaceRebalance)
{
ASSERT(text.find('\n') == notFound);
if (!endingSelection().isNonOrphanedCaretOrRange())
return;
// Delete the current selection.
// FIXME: This delete operation blows away the typing style.
if (endingSelection().isRange()) {
if (performTrivialReplace(text, selectInsertedText))
return;
deleteSelection(false, true, true, false);
}
Position startPosition(endingSelection().start());
Position placeholder;
// We want to remove preserved newlines and brs that will collapse (and thus become unnecessary) when content
// is inserted just before them.
// FIXME: We shouldn't really have to do this, but removing placeholders is a workaround for 9661.
// If the caret is just before a placeholder, downstream will normalize the caret to it.
Position downstream(startPosition.downstream());
if (lineBreakExistsAtPosition(downstream)) {
// FIXME: This doesn't handle placeholders at the end of anonymous blocks.
VisiblePosition caret(startPosition);
if (isEndOfBlock(caret) && isStartOfParagraph(caret))
placeholder = downstream;
// Don't remove the placeholder yet, otherwise the block we're inserting into would collapse before
// we get a chance to insert into it. We check for a placeholder now, though, because doing so requires
// the creation of a VisiblePosition, and if we did that post-insertion it would force a layout.
}
// Insert the character at the leftmost candidate.
startPosition = startPosition.upstream();
// It is possible for the node that contains startPosition to contain only unrendered whitespace,
// and so deleteInsignificantText could remove it. Save the position before the node in case that happens.
Position positionBeforeStartNode(positionInParentBeforeNode(startPosition.containerNode()));
deleteInsignificantText(startPosition.upstream(), startPosition.downstream());
if (!startPosition.anchorNode()->inDocument())
startPosition = positionBeforeStartNode;
if (!startPosition.isCandidate())
startPosition = startPosition.downstream();
startPosition = positionAvoidingSpecialElementBoundary(startPosition);
Position endPosition;
if (text == "\t") {
endPosition = insertTab(startPosition);
startPosition = endPosition.previous();
if (placeholder.isNotNull())
removePlaceholderAt(placeholder);
} else {
// Make sure the document is set up to receive text
startPosition = positionInsideTextNode(startPosition);
ASSERT(startPosition.anchorType() == Position::PositionIsOffsetInAnchor);
ASSERT(startPosition.containerNode());
ASSERT(startPosition.containerNode()->isTextNode());
if (placeholder.isNotNull())
removePlaceholderAt(placeholder);
RefPtr<Text> textNode = static_cast<Text*>(startPosition.containerNode());
const unsigned offset = startPosition.offsetInContainerNode();
insertTextIntoNode(textNode, offset, text);
endPosition = Position(textNode, offset + text.length());
if (whitespaceRebalance == RebalanceLeadingAndTrailingWhitespaces) {
// The insertion may require adjusting adjacent whitespace, if it is present.
rebalanceWhitespaceAt(endPosition);
// Rebalancing on both sides isn't necessary if we've inserted only spaces.
if (!shouldRebalanceLeadingWhitespaceFor(text))
rebalanceWhitespaceAt(startPosition);
} else {
ASSERT(whitespaceRebalance == RebalanceAllWhitespaces);
if (canRebalance(startPosition) && canRebalance(endPosition))
rebalanceWhitespaceOnTextSubstring(textNode, startPosition.offsetInContainerNode(), endPosition.offsetInContainerNode());
}
}
// We could have inserted a part of composed character sequence,
// so we are basically treating ending selection as a range to avoid validation.
// <http://bugs.webkit.org/show_bug.cgi?id=15781>
VisibleSelection forcedEndingSelection;
forcedEndingSelection.setWithoutValidation(startPosition, endPosition);
setEndingSelection(forcedEndingSelection);
// Handle the case where there is a typing style.
if (RefPtr<EditingStyle> typingStyle = document()->frame()->selection()->typingStyle()) {
typingStyle->prepareToApplyAt(endPosition, EditingStyle::PreserveWritingDirection);
if (!typingStyle->isEmpty())
applyStyle(typingStyle.get());
}
if (!selectInsertedText)
setEndingSelection(VisibleSelection(endingSelection().end(), endingSelection().affinity()));
}
PlatformMenuDescription ContextMenuClientImpl::getCustomMenuFromDefaultItems(
ContextMenu* defaultMenu)
{
// Displaying the context menu in this function is a big hack as we don't
// have context, i.e. whether this is being invoked via a script or in
// response to user input (Mouse event WM_RBUTTONDOWN,
// Keyboard events KeyVK_APPS, Shift+F10). Check if this is being invoked
// in response to the above input events before popping up the context menu.
if (!m_webView->contextMenuAllowed())
return 0;
HitTestResult r = m_webView->page()->contextMenuController()->hitTestResult();
Frame* selectedFrame = r.innerNonSharedNode()->document()->frame();
WebContextMenuData data;
data.mousePosition = selectedFrame->view()->contentsToWindow(r.roundedPoint());
// Compute edit flags.
data.editFlags = WebContextMenuData::CanDoNone;
if (m_webView->focusedWebCoreFrame()->editor()->canUndo())
data.editFlags |= WebContextMenuData::CanUndo;
if (m_webView->focusedWebCoreFrame()->editor()->canRedo())
data.editFlags |= WebContextMenuData::CanRedo;
if (m_webView->focusedWebCoreFrame()->editor()->canCut())
data.editFlags |= WebContextMenuData::CanCut;
if (m_webView->focusedWebCoreFrame()->editor()->canCopy())
data.editFlags |= WebContextMenuData::CanCopy;
if (m_webView->focusedWebCoreFrame()->editor()->canPaste())
data.editFlags |= WebContextMenuData::CanPaste;
if (m_webView->focusedWebCoreFrame()->editor()->canDelete())
data.editFlags |= WebContextMenuData::CanDelete;
// We can always select all...
data.editFlags |= WebContextMenuData::CanSelectAll;
data.editFlags |= WebContextMenuData::CanTranslate;
// Links, Images, Media tags, and Image/Media-Links take preference over
// all else.
data.linkURL = r.absoluteLinkURL();
if (!r.absoluteImageURL().isEmpty()) {
data.srcURL = r.absoluteImageURL();
data.mediaType = WebContextMenuData::MediaTypeImage;
} else if (!r.absoluteMediaURL().isEmpty()) {
data.srcURL = r.absoluteMediaURL();
// We know that if absoluteMediaURL() is not empty, then this
// is a media element.
HTMLMediaElement* mediaElement =
static_cast<HTMLMediaElement*>(r.innerNonSharedNode());
if (mediaElement->hasTagName(HTMLNames::videoTag))
data.mediaType = WebContextMenuData::MediaTypeVideo;
else if (mediaElement->hasTagName(HTMLNames::audioTag))
data.mediaType = WebContextMenuData::MediaTypeAudio;
if (mediaElement->error())
data.mediaFlags |= WebContextMenuData::MediaInError;
if (mediaElement->paused())
data.mediaFlags |= WebContextMenuData::MediaPaused;
if (mediaElement->muted())
data.mediaFlags |= WebContextMenuData::MediaMuted;
if (mediaElement->loop())
data.mediaFlags |= WebContextMenuData::MediaLoop;
if (mediaElement->supportsSave())
data.mediaFlags |= WebContextMenuData::MediaCanSave;
if (mediaElement->hasAudio())
data.mediaFlags |= WebContextMenuData::MediaHasAudio;
if (mediaElement->hasVideo())
data.mediaFlags |= WebContextMenuData::MediaHasVideo;
if (mediaElement->controls())
data.mediaFlags |= WebContextMenuData::MediaControlRootElement;
} else if (r.innerNonSharedNode()->hasTagName(HTMLNames::objectTag)
|| r.innerNonSharedNode()->hasTagName(HTMLNames::embedTag)) {
RenderObject* object = r.innerNonSharedNode()->renderer();
if (object && object->isWidget()) {
Widget* widget = toRenderWidget(object)->widget();
if (widget && widget->isPluginContainer()) {
data.mediaType = WebContextMenuData::MediaTypePlugin;
WebPluginContainerImpl* plugin = static_cast<WebPluginContainerImpl*>(widget);
WebString text = plugin->plugin()->selectionAsText();
if (!text.isEmpty()) {
data.selectedText = text;
data.editFlags |= WebContextMenuData::CanCopy;
}
data.editFlags &= ~WebContextMenuData::CanTranslate;
data.linkURL = plugin->plugin()->linkAtPosition(data.mousePosition);
if (plugin->plugin()->supportsPaginatedPrint())
data.mediaFlags |= WebContextMenuData::MediaCanPrint;
HTMLPlugInImageElement* pluginElement = static_cast<HTMLPlugInImageElement*>(r.innerNonSharedNode());
data.srcURL = pluginElement->document()->completeURL(pluginElement->url());
data.mediaFlags |= WebContextMenuData::MediaCanSave;
// Add context menu commands that are supported by the plugin.
if (plugin->plugin()->canRotateView())
data.mediaFlags |= WebContextMenuData::MediaCanRotate;
}
}
}
data.isImageBlocked =
(data.mediaType == WebContextMenuData::MediaTypeImage) && !r.image();
// If it's not a link, an image, a media element, or an image/media link,
// show a selection menu or a more generic page menu.
if (selectedFrame->document()->loader())
data.frameEncoding = selectedFrame->document()->encoding();
// Send the frame and page URLs in any case.
data.pageURL = urlFromFrame(m_webView->mainFrameImpl()->frame());
if (selectedFrame != m_webView->mainFrameImpl()->frame()) {
data.frameURL = urlFromFrame(selectedFrame);
RefPtr<HistoryItem> historyItem = selectedFrame->loader()->history()->currentItem();
if (historyItem)
data.frameHistoryItem = WebHistoryItem(historyItem);
}
if (r.isSelected()) {
if (!r.innerNonSharedNode()->hasTagName(HTMLNames::inputTag) || !static_cast<HTMLInputElement*>(r.innerNonSharedNode())->isPasswordField())
data.selectedText = selectedFrame->editor()->selectedText().stripWhiteSpace();
}
if (r.isContentEditable()) {
data.isEditable = true;
#if ENABLE(INPUT_SPEECH)
if (r.innerNonSharedNode()->hasTagName(HTMLNames::inputTag)) {
data.isSpeechInputEnabled =
static_cast<HTMLInputElement*>(r.innerNonSharedNode())->isSpeechEnabled();
}
#endif
// When Chrome enables asynchronous spellchecking, its spellchecker adds spelling markers to misspelled
// words and attaches suggestions to these markers in the background. Therefore, when a user right-clicks
// a mouse on a word, Chrome just needs to find a spelling marker on the word instread of spellchecking it.
if (selectedFrame->settings() && selectedFrame->settings()->asynchronousSpellCheckingEnabled()) {
VisibleSelection selection = selectedFrame->selection()->selection();
if (selection.isCaret()) {
selection.expandUsingGranularity(WordGranularity);
RefPtr<Range> range = selection.toNormalizedRange();
Vector<DocumentMarker*> markers = selectedFrame->document()->markers()->markersInRange(range.get(), DocumentMarker::Spelling | DocumentMarker::Grammar);
if (markers.size() == 1) {
range->setStart(range->startContainer(), markers[0]->startOffset());
range->setEnd(range->endContainer(), markers[0]->endOffset());
data.misspelledWord = range->text();
if (markers[0]->description().length()) {
Vector<String> suggestions;
markers[0]->description().split('\n', suggestions);
data.dictionarySuggestions = suggestions;
} else if (m_webView->spellCheckClient()) {
int misspelledOffset, misspelledLength;
m_webView->spellCheckClient()->spellCheck(data.misspelledWord, misspelledOffset, misspelledLength, &data.dictionarySuggestions);
}
selection = VisibleSelection(range.get());
if (selectedFrame->selection()->shouldChangeSelection(selection))
selectedFrame->selection()->setSelection(selection, WordGranularity);
}
}
} else if (m_webView->focusedWebCoreFrame()->editor()->isContinuousSpellCheckingEnabled()) {
data.isSpellCheckingEnabled = true;
// Spellchecking might be enabled for the field, but could be disabled on the node.
if (m_webView->focusedWebCoreFrame()->editor()->isSpellCheckingEnabledInFocusedNode()) {
data.misspelledWord = selectMisspelledWord(defaultMenu, selectedFrame);
if (m_webView->spellCheckClient()) {
int misspelledOffset, misspelledLength;
m_webView->spellCheckClient()->spellCheck(
data.misspelledWord, misspelledOffset, misspelledLength,
&data.dictionarySuggestions);
if (!misspelledLength)
data.misspelledWord.reset();
}
}
}
HTMLFormElement* form = selectedFrame->selection()->currentForm();
if (form && form->checkValidity() && r.innerNonSharedNode()->hasTagName(HTMLNames::inputTag)) {
HTMLInputElement* selectedElement = static_cast<HTMLInputElement*>(r.innerNonSharedNode());
if (selectedElement) {
WebSearchableFormData ws = WebSearchableFormData(WebFormElement(form), WebInputElement(selectedElement));
if (ws.url().isValid())
data.keywordURL = ws.url();
}
}
}
#if OS(DARWIN)
if (selectedFrame->editor()->selectionHasStyle(CSSPropertyDirection, "ltr") != FalseTriState)
data.writingDirectionLeftToRight |= WebContextMenuData::CheckableMenuItemChecked;
if (selectedFrame->editor()->selectionHasStyle(CSSPropertyDirection, "rtl") != FalseTriState)
data.writingDirectionRightToLeft |= WebContextMenuData::CheckableMenuItemChecked;
#endif // OS(DARWIN)
// Now retrieve the security info.
DocumentLoader* dl = selectedFrame->loader()->documentLoader();
WebDataSource* ds = WebDataSourceImpl::fromDocumentLoader(dl);
if (ds)
data.securityInfo = ds->response().securityInfo();
data.referrerPolicy = static_cast<WebReferrerPolicy>(selectedFrame->document()->referrerPolicy());
// Filter out custom menu elements and add them into the data.
populateCustomMenuItems(defaultMenu, &data);
data.node = r.innerNonSharedNode();
WebFrame* selected_web_frame = WebFrameImpl::fromFrame(selectedFrame);
if (m_webView->client())
m_webView->client()->showContextMenu(selected_web_frame, data);
return 0;
}
void EditCommand::setStartingSelection(const VisiblePosition& position)
{
setStartingSelection(VisibleSelection(position));
}
VisibleSelection VisibleSelection::selectionFromContentsOfNode(Node* node)
{
ASSERT(!editingIgnoresContent(node));
return VisibleSelection(firstPositionInNode(node), lastPositionInNode(node), DOWNSTREAM);
}
VisibleSelection HTMLTextAreaElement::selection() const
{
if (!renderer() || m_cachedSelectionStart < 0 || m_cachedSelectionEnd < 0)
return VisibleSelection();
return toRenderTextControl(renderer())->selection(m_cachedSelectionStart, m_cachedSelectionEnd);
}
void InsertTextCommand::doApply()
{
ASSERT(m_text.find('\n') == kNotFound);
if (!endingSelection().isNonOrphanedCaretOrRange())
return;
// Delete the current selection.
// FIXME: This delete operation blows away the typing style.
if (endingSelection().isRange()) {
if (performTrivialReplace(m_text, m_selectInsertedText))
return;
bool endOfSelectionWasAtStartOfBlock = isStartOfBlock(endingSelection().visibleEnd());
deleteSelection(false, true, false, false);
// deleteSelection eventually makes a new endingSelection out of a Position. If that Position doesn't have
// a renderer (e.g. it is on a <frameset> in the DOM), the VisibleSelection cannot be canonicalized to
// anything other than NoSelection. The rest of this function requires a real endingSelection, so bail out.
if (endingSelection().isNone())
return;
if (endOfSelectionWasAtStartOfBlock) {
if (EditingStyle* typingStyle = document().frame()->selection().typingStyle())
typingStyle->removeBlockProperties();
}
} else if (document().frame()->editor().isOverwriteModeEnabled()) {
if (performOverwrite(m_text, m_selectInsertedText))
return;
}
Position startPosition(endingSelection().start());
Position placeholder;
// We want to remove preserved newlines and brs that will collapse (and thus become unnecessary) when content
// is inserted just before them.
// FIXME: We shouldn't really have to do this, but removing placeholders is a workaround for 9661.
// If the caret is just before a placeholder, downstream will normalize the caret to it.
Position downstream(startPosition.downstream());
if (lineBreakExistsAtPosition(downstream)) {
// FIXME: This doesn't handle placeholders at the end of anonymous blocks.
VisiblePosition caret(startPosition);
if (isEndOfBlock(caret) && isStartOfParagraph(caret))
placeholder = downstream;
// Don't remove the placeholder yet, otherwise the block we're inserting into would collapse before
// we get a chance to insert into it. We check for a placeholder now, though, because doing so requires
// the creation of a VisiblePosition, and if we did that post-insertion it would force a layout.
}
// Insert the character at the leftmost candidate.
startPosition = startPosition.upstream();
// It is possible for the node that contains startPosition to contain only unrendered whitespace,
// and so deleteInsignificantText could remove it. Save the position before the node in case that happens.
ASSERT(startPosition.containerNode());
Position positionBeforeStartNode(positionInParentBeforeNode(*startPosition.containerNode()));
deleteInsignificantText(startPosition, startPosition.downstream());
if (!startPosition.inDocument())
startPosition = positionBeforeStartNode;
if (!startPosition.isCandidate())
startPosition = startPosition.downstream();
startPosition = positionAvoidingSpecialElementBoundary(startPosition);
Position endPosition;
if (m_text == "\t") {
endPosition = insertTab(startPosition);
startPosition = endPosition.previous();
if (placeholder.isNotNull())
removePlaceholderAt(placeholder);
} else {
// Make sure the document is set up to receive m_text
startPosition = positionInsideTextNode(startPosition);
ASSERT(startPosition.anchorType() == Position::PositionIsOffsetInAnchor);
ASSERT(startPosition.containerNode());
ASSERT(startPosition.containerNode()->isTextNode());
if (placeholder.isNotNull())
removePlaceholderAt(placeholder);
RefPtrWillBeRawPtr<Text> textNode = startPosition.containerText();
const unsigned offset = startPosition.offsetInContainerNode();
insertTextIntoNode(textNode, offset, m_text);
endPosition = Position(textNode, offset + m_text.length());
if (m_rebalanceType == RebalanceLeadingAndTrailingWhitespaces) {
// The insertion may require adjusting adjacent whitespace, if it is present.
rebalanceWhitespaceAt(endPosition);
// Rebalancing on both sides isn't necessary if we've inserted only spaces.
if (!shouldRebalanceLeadingWhitespaceFor(m_text))
rebalanceWhitespaceAt(startPosition);
} else {
ASSERT(m_rebalanceType == RebalanceAllWhitespaces);
if (canRebalance(startPosition) && canRebalance(endPosition))
rebalanceWhitespaceOnTextSubstring(textNode, startPosition.offsetInContainerNode(), endPosition.offsetInContainerNode());
}
}
setEndingSelectionWithoutValidation(startPosition, endPosition);
// Handle the case where there is a typing style.
if (RefPtrWillBeRawPtr<EditingStyle> typingStyle = document().frame()->selection().typingStyle()) {
typingStyle->prepareToApplyAt(endPosition, EditingStyle::PreserveWritingDirection);
if (!typingStyle->isEmpty())
applyStyle(typingStyle.get());
}
if (!m_selectInsertedText)
setEndingSelection(VisibleSelection(endingSelection().end(), endingSelection().affinity(), endingSelection().isDirectional()));
}
