#include "core/editing/FrameSelection.h"
#include "core/editing/TextIterator.h"
#include "core/editing/htmlediting.h"
-#include "core/frame/Frame.h"
+#include "core/frame/LocalFrame.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
-static Node* selectionShadowAncestor(Frame* frame)
+static Node* selectionShadowAncestor(LocalFrame* frame)
{
Node* node = frame->selection().selection().base().anchorNode();
if (!node)
}
DOMSelection::DOMSelection(const TreeScope* treeScope)
- : DOMWindowProperty(treeScope->rootNode()->document().frame())
+ : DOMWindowProperty(treeScope->rootNode().document().frame())
, m_treeScope(treeScope)
{
ScriptWrappable::init(this);
void DOMSelection::clearTreeScope()
{
- m_treeScope = 0;
+ m_treeScope = nullptr;
}
const VisibleSelection& DOMSelection::visibleSelection() const
return m_frame->selection().isNone() ? 0 : 1;
}
-void DOMSelection::collapse(Node* node, int offset, ExceptionState& es)
+void DOMSelection::collapse(Node* node, int offset, ExceptionState& exceptionState)
{
+ ASSERT(node);
if (!m_frame)
return;
if (offset < 0) {
- es.throwDOMException(IndexSizeError, ExceptionMessages::failedToExecute("collapse", "Selection", String::number(offset) + " is not a valid offset."));
+ exceptionState.throwDOMException(IndexSizeError, String::number(offset) + " is not a valid offset.");
return;
}
m_frame->selection().moveTo(VisiblePosition(createLegacyEditingPosition(node, offset), DOWNSTREAM));
}
-void DOMSelection::collapseToEnd(ExceptionState& es)
+void DOMSelection::collapse(Node* node, ExceptionState& exceptionState)
+{
+ collapse(node, 0, exceptionState);
+}
+
+void DOMSelection::collapseToEnd(ExceptionState& exceptionState)
{
if (!m_frame)
return;
const VisibleSelection& selection = m_frame->selection().selection();
if (selection.isNone()) {
- es.throwDOMException(InvalidStateError, ExceptionMessages::failedToExecute("collapseToEnd", "Selection", "there is no selection."));
+ exceptionState.throwDOMException(InvalidStateError, "there is no selection.");
return;
}
m_frame->selection().moveTo(VisiblePosition(selection.end(), DOWNSTREAM));
}
-void DOMSelection::collapseToStart(ExceptionState& es)
+void DOMSelection::collapseToStart(ExceptionState& exceptionState)
{
if (!m_frame)
return;
const VisibleSelection& selection = m_frame->selection().selection();
if (selection.isNone()) {
- es.throwDOMException(InvalidStateError, ExceptionMessages::failedToExecute("collapseToStart", "Selection", "there is no selection."));
+ exceptionState.throwDOMException(InvalidStateError, "there is no selection.");
return;
}
m_frame->selection().clear();
}
-void DOMSelection::setBaseAndExtent(Node* baseNode, int baseOffset, Node* extentNode, int extentOffset, ExceptionState& es)
+void DOMSelection::setBaseAndExtent(Node* baseNode, int baseOffset, Node* extentNode, int extentOffset, ExceptionState& exceptionState)
{
if (!m_frame)
return;
if (baseOffset < 0) {
- es.throwDOMException(IndexSizeError, ExceptionMessages::failedToExecute("setBaseAndExtent", "Selection", String::number(baseOffset) + " is not a valid base offset."));
+ exceptionState.throwDOMException(IndexSizeError, String::number(baseOffset) + " is not a valid base offset.");
return;
}
if (extentOffset < 0) {
- es.throwDOMException(IndexSizeError, ExceptionMessages::failedToExecute("setBaseAndExtent", "Selection", String::number(extentOffset) + " is not a valid extent offset."));
+ exceptionState.throwDOMException(IndexSizeError, String::number(extentOffset) + " is not a valid extent offset.");
return;
}
m_frame->selection().moveTo(visibleBase, visibleExtent);
}
-void DOMSelection::setPosition(Node* node, int offset, ExceptionState& es)
-{
- if (!m_frame)
- return;
- if (offset < 0) {
- es.throwDOMException(IndexSizeError, ExceptionMessages::failedToExecute("setPosition", "Selection", String::number(offset) + " is not a valid offset."));
- return;
- }
-
- if (!isValidForPosition(node))
- return;
-
- // FIXME: Eliminate legacy editing positions
- m_frame->selection().moveTo(VisiblePosition(createLegacyEditingPosition(node, offset), DOWNSTREAM));
-}
-
void DOMSelection::modify(const String& alterString, const String& directionString, const String& granularityString)
{
if (!m_frame)
m_frame->selection().modify(alter, direction, granularity);
}
-void DOMSelection::extend(Node* node, int offset, ExceptionState& es)
+void DOMSelection::extend(Node* node, int offset, ExceptionState& exceptionState)
{
if (!m_frame)
return;
if (!node) {
- es.throwDOMException(TypeMismatchError, ExceptionMessages::failedToExecute("extend", "Selection", "The node provided is invalid."));
+ exceptionState.throwDOMException(TypeMismatchError, ExceptionMessages::argumentNullOrIncorrectType(1, "Node"));
return;
}
if (offset < 0) {
- es.throwDOMException(IndexSizeError, ExceptionMessages::failedToExecute("extend", "Selection", String::number(offset) + " is not a valid offset."));
+ exceptionState.throwDOMException(IndexSizeError, String::number(offset) + " is not a valid offset.");
return;
}
- if (offset > (node->offsetInCharacters() ? caretMaxOffset(node) : (int)node->childNodeCount())) {
- es.throwDOMException(IndexSizeError, ExceptionMessages::failedToExecute("extend", "Selection", String::number(offset) + " is larger than the given node's length."));
+ if (offset > (node->offsetInCharacters() ? caretMaxOffset(node) : (int)node->countChildren())) {
+ exceptionState.throwDOMException(IndexSizeError, String::number(offset) + " is larger than the given node's length.");
return;
}
m_frame->selection().setExtent(VisiblePosition(createLegacyEditingPosition(node, offset), DOWNSTREAM));
}
-PassRefPtr<Range> DOMSelection::getRangeAt(int index, ExceptionState& es)
+PassRefPtrWillBeRawPtr<Range> DOMSelection::getRangeAt(int index, ExceptionState& exceptionState)
{
if (!m_frame)
- return 0;
+ return nullptr;
if (index < 0 || index >= rangeCount()) {
- es.throwDOMException(IndexSizeError, ExceptionMessages::failedToExecute("getRangeAt", "Selection", String::number(index) + " is not a valid index."));
- return 0;
+ exceptionState.throwDOMException(IndexSizeError, String::number(index) + " is not a valid index.");
+ return nullptr;
}
// If you're hitting this, you've added broken multi-range selection support
ASSERT(rangeCount() == 1);
if (Node* shadowAncestor = selectionShadowAncestor(m_frame)) {
- ContainerNode* container = shadowAncestor->parentNodeGuaranteedHostFree();
+ ASSERT(!shadowAncestor->isShadowRoot());
+ ContainerNode* container = shadowAncestor->parentOrShadowHostNode();
int offset = shadowAncestor->nodeIndex();
return Range::create(shadowAncestor->document(), container, offset, container, offset);
}
- const VisibleSelection& selection = m_frame->selection().selection();
- return selection.firstRange();
+ return m_frame->selection().firstRange();
}
void DOMSelection::removeAllRanges()
m_frame->selection().clear();
}
-void DOMSelection::addRange(Range* r)
+void DOMSelection::addRange(Range* newRange)
{
if (!m_frame)
return;
- if (!r)
+
+ // FIXME: Should we throw DOMException for error cases below?
+ if (!newRange) {
+ addConsoleError("The given range is null.");
return;
+ }
+
+ if (!newRange->startContainer()) {
+ addConsoleError("The given range has no container. Perhaps 'detach()' has been invoked on it?");
+ return;
+ }
FrameSelection& selection = m_frame->selection();
if (selection.isNone()) {
- selection.setSelection(VisibleSelection(r));
+ selection.setSelectedRange(newRange, VP_DEFAULT_AFFINITY);
return;
}
- RefPtr<Range> range = selection.selection().toNormalizedRange();
- if (r->compareBoundaryPoints(Range::START_TO_START, range.get(), IGNORE_EXCEPTION) == -1) {
- // We don't support discontiguous selection. We don't do anything if r and range don't intersect.
- if (r->compareBoundaryPoints(Range::START_TO_END, range.get(), IGNORE_EXCEPTION) > -1) {
- if (r->compareBoundaryPoints(Range::END_TO_END, range.get(), IGNORE_EXCEPTION) == -1) {
- // The original range and r intersect.
- selection.setSelection(VisibleSelection(r->startPosition(), range->endPosition(), DOWNSTREAM));
- } else {
- // r contains the original range.
- selection.setSelection(VisibleSelection(r));
- }
- }
- } else {
- // We don't support discontiguous selection. We don't do anything if r and range don't intersect.
- TrackExceptionState es;
- if (r->compareBoundaryPoints(Range::END_TO_START, range.get(), es) < 1 && !es.hadException()) {
- if (r->compareBoundaryPoints(Range::END_TO_END, range.get(), IGNORE_EXCEPTION) == -1) {
- // The original range contains r.
- selection.setSelection(VisibleSelection(range.get()));
- } else {
- // The original range and r intersect.
- selection.setSelection(VisibleSelection(range->startPosition(), r->endPosition(), DOWNSTREAM));
- }
- }
+ RefPtrWillBeRawPtr<Range> originalRange = selection.firstRange();
+
+ if (originalRange->startContainer()->document() != newRange->startContainer()->document()) {
+ addConsoleError("The given range does not belong to the current selection's document.");
+ return;
}
+ if (originalRange->startContainer()->treeScope() != newRange->startContainer()->treeScope()) {
+ addConsoleError("The given range and the current selection belong to two different document fragments.");
+ return;
+ }
+
+ if (originalRange->compareBoundaryPoints(Range::START_TO_END, newRange, ASSERT_NO_EXCEPTION) < 0
+ || newRange->compareBoundaryPoints(Range::START_TO_END, originalRange.get(), ASSERT_NO_EXCEPTION) < 0) {
+ addConsoleError("Discontiguous selection is not supported.");
+ return;
+ }
+
+ // FIXME: "Merge the ranges if they intersect" is Blink-specific behavior; other browsers supporting discontiguous
+ // selection (obviously) keep each Range added and return it in getRangeAt(). But it's unclear if we can really
+ // do the same, since we don't support discontiguous selection. Further discussions at
+ // <https://code.google.com/p/chromium/issues/detail?id=353069>.
+
+ Range* start = originalRange->compareBoundaryPoints(Range::START_TO_START, newRange, ASSERT_NO_EXCEPTION) < 0 ? originalRange.get() : newRange;
+ Range* end = originalRange->compareBoundaryPoints(Range::END_TO_END, newRange, ASSERT_NO_EXCEPTION) < 0 ? newRange : originalRange.get();
+ RefPtrWillBeRawPtr<Range> merged = Range::create(originalRange->startContainer()->document(), start->startContainer(), start->startOffset(), end->endContainer(), end->endOffset());
+ EAffinity affinity = selection.selection().affinity();
+ selection.setSelectedRange(merged.get(), affinity);
}
void DOMSelection::deleteFromDocument()
if (selection.isNone())
return;
- if (isCollapsed())
- selection.modify(FrameSelection::AlterationExtend, DirectionBackward, CharacterGranularity);
-
- RefPtr<Range> selectedRange = selection.selection().toNormalizedRange();
+ RefPtrWillBeRawPtr<Range> selectedRange = selection.selection().toNormalizedRange();
if (!selectedRange)
return;
selectedRange->deleteContents(ASSERT_NO_EXCEPTION);
- setBaseAndExtent(selectedRange->startContainer(ASSERT_NO_EXCEPTION), selectedRange->startOffset(), selectedRange->startContainer(), selectedRange->startOffset(), ASSERT_NO_EXCEPTION);
+ setBaseAndExtent(selectedRange->startContainer(), selectedRange->startOffset(), selectedRange->startContainer(), selectedRange->startOffset(), ASSERT_NO_EXCEPTION);
}
bool DOMSelection::containsNode(const Node* n, bool allowPartial) const
return false;
unsigned nodeIndex = n->nodeIndex();
- RefPtr<Range> selectedRange = selection.selection().toNormalizedRange();
+ RefPtrWillBeRawPtr<Range> selectedRange = selection.selection().toNormalizedRange();
ContainerNode* parentNode = n->parentNode();
if (!parentNode)
return false;
- TrackExceptionState es;
- bool nodeFullySelected = Range::compareBoundaryPoints(parentNode, nodeIndex, selectedRange->startContainer(), selectedRange->startOffset(), es) >= 0 && !es.hadException()
- && Range::compareBoundaryPoints(parentNode, nodeIndex + 1, selectedRange->endContainer(), selectedRange->endOffset(), es) <= 0 && !es.hadException();
- ASSERT(!es.hadException());
+ TrackExceptionState exceptionState;
+ bool nodeFullySelected = Range::compareBoundaryPoints(parentNode, nodeIndex, selectedRange->startContainer(), selectedRange->startOffset(), exceptionState) >= 0 && !exceptionState.hadException()
+ && Range::compareBoundaryPoints(parentNode, nodeIndex + 1, selectedRange->endContainer(), selectedRange->endOffset(), exceptionState) <= 0 && !exceptionState.hadException();
+ if (exceptionState.hadException())
+ return false;
if (nodeFullySelected)
return true;
- bool nodeFullyUnselected = (Range::compareBoundaryPoints(parentNode, nodeIndex, selectedRange->endContainer(), selectedRange->endOffset(), es) > 0 && !es.hadException())
- || (Range::compareBoundaryPoints(parentNode, nodeIndex + 1, selectedRange->startContainer(), selectedRange->startOffset(), es) < 0 && !es.hadException());
- ASSERT(!es.hadException());
+ bool nodeFullyUnselected = (Range::compareBoundaryPoints(parentNode, nodeIndex, selectedRange->endContainer(), selectedRange->endOffset(), exceptionState) > 0 && !exceptionState.hadException())
+ || (Range::compareBoundaryPoints(parentNode, nodeIndex + 1, selectedRange->startContainer(), selectedRange->startOffset(), exceptionState) < 0 && !exceptionState.hadException());
+ ASSERT(!exceptionState.hadException());
if (nodeFullyUnselected)
return false;
return allowPartial || n->isTextNode();
}
-void DOMSelection::selectAllChildren(Node* n, ExceptionState& es)
+void DOMSelection::selectAllChildren(Node* n, ExceptionState& exceptionState)
{
if (!n)
return;
// This doesn't (and shouldn't) select text node characters.
- setBaseAndExtent(n, 0, n, n->childNodeCount(), es);
+ setBaseAndExtent(n, 0, n, n->countChildren(), exceptionState);
}
String DOMSelection::toString()
if (containerNode == adjustedNode)
return containerNode;
- return adjustedNode->parentNodeGuaranteedHostFree();
+ ASSERT(!adjustedNode->isShadowRoot());
+ return adjustedNode->parentOrShadowHostNode();
}
int DOMSelection::shadowAdjustedOffset(const Position& position) const
return node->document() == m_frame->document();
}
+void DOMSelection::addConsoleError(const String& message)
+{
+ if (m_treeScope)
+ m_treeScope->document().addConsoleMessage(JSMessageSource, ErrorMessageLevel, message);
+}
+
} // namespace WebCore
projects / platform / framework / web / crosswalk.git / blobdiff