#include "config.h"
#include "core/dom/shadow/ShadowRoot.h"
-#include "bindings/v8/ExceptionMessages.h"
-#include "bindings/v8/ExceptionState.h"
+#include "bindings/core/v8/ExceptionState.h"
#include "core/css/StyleSheetList.h"
#include "core/css/resolver/StyleResolver.h"
+#include "core/css/resolver/StyleResolverParentScope.h"
#include "core/dom/ElementTraversal.h"
#include "core/dom/StyleEngine.h"
#include "core/dom/Text.h"
-#include "core/dom/WhitespaceChildList.h"
#include "core/dom/shadow/ElementShadow.h"
#include "core/dom/shadow/InsertionPoint.h"
#include "core/dom/shadow/ShadowRootRareData.h"
#include "core/editing/markup.h"
+#include "core/html/HTMLShadowElement.h"
#include "public/platform/Platform.h"
-namespace WebCore {
+namespace blink {
struct SameSizeAsShadowRoot : public DocumentFragment, public TreeScope, public DoublyLinkedListNode<ShadowRoot> {
void* pointers[3];
COMPILE_ASSERT(sizeof(ShadowRoot) == sizeof(SameSizeAsShadowRoot), shadowroot_should_stay_small);
-enum ShadowRootUsageOriginType {
- ShadowRootUsageOriginWeb = 0,
- ShadowRootUsageOriginNotWeb,
- ShadowRootUsageOriginMax
-};
-
-ShadowRoot::ShadowRoot(Document* document, ShadowRootType type)
+ShadowRoot::ShadowRoot(Document& document, ShadowRootType type)
: DocumentFragment(0, CreateShadowRoot)
- , TreeScope(this, document)
- , m_prev(0)
- , m_next(0)
+ , TreeScope(*this, document)
+ , m_prev(nullptr)
+ , m_next(nullptr)
, m_numberOfStyles(0)
- , m_applyAuthorStyles(false)
- , m_resetStyleInheritance(false)
, m_type(type)
, m_registeredWithParentShadowRoot(false)
- , m_childInsertionPointsIsValid(false)
+ , m_descendantInsertionPointsIsValid(false)
{
- ASSERT(document);
- ScriptWrappable::init(this);
-
- if (type == ShadowRoot::AuthorShadowRoot) {
- ShadowRootUsageOriginType usageType = document->url().protocolIsInHTTPFamily() ? ShadowRootUsageOriginWeb : ShadowRootUsageOriginNotWeb;
- WebKit::Platform::current()->histogramEnumeration("WebCore.ShadowRoot.constructor", usageType, ShadowRootUsageOriginMax);
- }
}
ShadowRoot::~ShadowRoot()
{
+#if !ENABLE(OILPAN)
ASSERT(!m_prev);
ASSERT(!m_next);
if (m_shadowRootRareData && m_shadowRootRareData->styleSheets())
m_shadowRootRareData->styleSheets()->detachFromDocument();
- documentInternal()->styleEngine()->didRemoveShadowRoot(this);
+ document().styleEngine()->didRemoveShadowRoot(this);
// We cannot let ContainerNode destructor call willBeDeletedFromDocument()
// for this ShadowRoot instance because TreeScope destructor
// as well as Node. See a comment on TreeScope.h for the reason.
if (hasRareData())
clearRareData();
+#endif
}
+#if !ENABLE(OILPAN)
void ShadowRoot::dispose()
{
removeDetachedChildren();
}
+#endif
-ShadowRoot* ShadowRoot::bindingsOlderShadowRoot() const
+ShadowRoot* ShadowRoot::olderShadowRootForBindings() const
{
ShadowRoot* older = olderShadowRoot();
while (older && !older->shouldExposeToBindings())
return older;
}
-bool ShadowRoot::isOldestAuthorShadowRoot() const
+PassRefPtrWillBeRawPtr<Node> ShadowRoot::cloneNode(bool, ExceptionState& exceptionState)
{
- if (type() != AuthorShadowRoot)
- return false;
- if (ShadowRoot* older = olderShadowRoot())
- return older->type() == UserAgentShadowRoot;
- return true;
-}
-
-PassRefPtr<Node> ShadowRoot::cloneNode(bool, ExceptionState& es)
-{
- es.throwDOMException(DataCloneError, ExceptionMessages::failedToExecute("cloneNode", "ShadowRoot", "ShadowRoot nodes are not clonable."));
- return 0;
+ exceptionState.throwDOMException(DataCloneError, "ShadowRoot nodes are not clonable.");
+ return nullptr;
}
String ShadowRoot::innerHTML() const
return createMarkup(this, ChildrenOnly);
}
-void ShadowRoot::setInnerHTML(const String& markup, ExceptionState& es)
+void ShadowRoot::setInnerHTML(const String& markup, ExceptionState& exceptionState)
{
if (isOrphan()) {
- es.throwDOMException(InvalidAccessError, ExceptionMessages::failedToExecute("setInnerHTML", "ShadowRoot", "The ShadowRoot does not have a host."));
+ exceptionState.throwDOMException(InvalidAccessError, "The ShadowRoot does not have a host.");
return;
}
- if (RefPtr<DocumentFragment> fragment = createFragmentForInnerOuterHTML(markup, host(), AllowScriptingContent, "innerHTML", es))
- replaceChildrenWithFragment(this, fragment.release(), es);
-}
-
-bool ShadowRoot::childTypeAllowed(NodeType type) const
-{
- switch (type) {
- case ELEMENT_NODE:
- case PROCESSING_INSTRUCTION_NODE:
- case COMMENT_NODE:
- case TEXT_NODE:
- case CDATA_SECTION_NODE:
- return true;
- default:
- return false;
- }
+ if (RefPtrWillBeRawPtr<DocumentFragment> fragment = createFragmentForInnerOuterHTML(markup, host(), AllowScriptingContent, "innerHTML", exceptionState))
+ replaceChildrenWithFragment(this, fragment.release(), exceptionState);
}
void ShadowRoot::recalcStyle(StyleRecalcChange change)
// ShadowRoot doesn't support custom callbacks.
ASSERT(!hasCustomStyleCallbacks());
- StyleResolver* styleResolver = document().styleResolver();
- styleResolver->pushParentShadowRoot(*this);
+ StyleResolverParentScope parentScope(*this);
- // When we're set to lazyAttach we'll have a SubtreeStyleChange and we'll need
- // to promote the change to a Force for all our descendants so they get a
- // recalc and will attach.
if (styleChangeType() >= SubtreeStyleChange)
change = Force;
- // FIXME: This doesn't handle :hover + div properly like Element::recalcStyle does.
- WhitespaceChildList whitespaceChildList(change);
- for (Node* child = lastChild(); child; child = child->previousSibling()) {
- if (child->isTextNode()) {
- Text* textChild = toText(child);
- if (textChild->containsOnlyWhitespace())
- whitespaceChildList.append(textChild);
- else
- textChild->recalcTextStyle(change);
- } else if (child->isElementNode() && shouldRecalcStyle(change, child)) {
- toElement(child)->recalcStyle(change);
- }
- }
-
- whitespaceChildList.recalcStyle();
-
- styleResolver->popParentShadowRoot(*this);
+ // There's no style to update so just calling recalcStyle means we're updated.
clearNeedsStyleRecalc();
- clearChildNeedsStyleRecalc();
- setAttached();
-}
-
-bool ShadowRoot::isActive() const
-{
- for (ShadowRoot* shadowRoot = youngerShadowRoot(); shadowRoot; shadowRoot = shadowRoot->youngerShadowRoot())
- if (!shadowRoot->containsShadowElements())
- return false;
- return true;
-}
-
-void ShadowRoot::setApplyAuthorStyles(bool value)
-{
- if (isOrphan())
- return;
- if (m_applyAuthorStyles == value)
- return;
-
- m_applyAuthorStyles = value;
- if (!isActive())
- return;
-
- ASSERT(host());
- ASSERT(host()->shadow());
- if (host()->shadow()->didAffectApplyAuthorStyles())
- host()->setNeedsStyleRecalc();
-
- // Since styles in shadow trees can select shadow hosts, set shadow host's needs-recalc flag true.
- // FIXME: host->setNeedsStyleRecalc() should take care of all elements in its shadow tree.
- // However, when host's recalcStyle is skipped (i.e. host's parent has no renderer),
- // no recalc style is invoked for any elements in its shadow tree.
- // This problem occurs when using getComputedStyle() API.
- // So currently host and shadow root's needsStyleRecalc flags are set to be true.
- setNeedsStyleRecalc();
-}
-
-void ShadowRoot::setResetStyleInheritance(bool value)
-{
- if (isOrphan())
- return;
-
- if (value == m_resetStyleInheritance)
- return;
-
- m_resetStyleInheritance = value;
- if (!isActive())
- return;
-
- setNeedsStyleRecalc();
+ recalcChildStyle(change);
+ clearChildNeedsStyleRecalc();
}
void ShadowRoot::attach(const AttachContext& context)
{
- StyleResolver* styleResolver = document().styleResolver();
- styleResolver->pushParentShadowRoot(*this);
+ StyleResolverParentScope parentScope(*this);
DocumentFragment::attach(context);
- styleResolver->popParentShadowRoot(*this);
}
Node::InsertionNotificationRequest ShadowRoot::insertedInto(ContainerNode* insertionPoint)
DocumentFragment::removedFrom(insertionPoint);
}
-void ShadowRoot::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void ShadowRoot::childrenChanged(const ChildrenChange& change)
{
- ContainerNode::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+ ContainerNode::childrenChanged(change);
+
+ if (change.isChildElementChange())
+ checkForSiblingStyleChanges(change.type == ElementRemoved ? SiblingElementRemoved : SiblingElementInserted, change.siblingBeforeChange, change.siblingAfterChange);
+
if (InsertionPoint* point = shadowInsertionPointOfYoungerShadowRoot()) {
if (ShadowRoot* root = point->containingShadowRoot())
root->owner()->setNeedsDistributionRecalc();
void ShadowRoot::registerScopedHTMLStyleChild()
{
++m_numberOfStyles;
- setHasScopedHTMLStyleChild(true);
}
void ShadowRoot::unregisterScopedHTMLStyleChild()
{
- ASSERT(hasScopedHTMLStyleChild() && m_numberOfStyles > 0);
+ ASSERT(m_numberOfStyles > 0);
--m_numberOfStyles;
- setHasScopedHTMLStyleChild(m_numberOfStyles > 0);
}
ShadowRootRareData* ShadowRoot::ensureShadowRootRareData()
if (m_shadowRootRareData)
return m_shadowRootRareData.get();
- m_shadowRootRareData = adoptPtr(new ShadowRootRareData);
+ m_shadowRootRareData = adoptPtrWillBeNoop(new ShadowRootRareData);
return m_shadowRootRareData.get();
}
return m_shadowRootRareData ? m_shadowRootRareData->shadowInsertionPointOfYoungerShadowRoot() : 0;
}
-void ShadowRoot::setShadowInsertionPointOfYoungerShadowRoot(PassRefPtr<HTMLShadowElement> shadowInsertionPoint)
+void ShadowRoot::setShadowInsertionPointOfYoungerShadowRoot(PassRefPtrWillBeRawPtr<HTMLShadowElement> shadowInsertionPoint)
{
if (!m_shadowRootRareData && !shadowInsertionPoint)
return;
void ShadowRoot::didAddInsertionPoint(InsertionPoint* insertionPoint)
{
ensureShadowRootRareData()->didAddInsertionPoint(insertionPoint);
- invalidateChildInsertionPoints();
+ invalidateDescendantInsertionPoints();
}
void ShadowRoot::didRemoveInsertionPoint(InsertionPoint* insertionPoint)
{
m_shadowRootRareData->didRemoveInsertionPoint(insertionPoint);
- invalidateChildInsertionPoints();
+ invalidateDescendantInsertionPoints();
}
void ShadowRoot::addChildShadowRoot()
return m_shadowRootRareData ? m_shadowRootRareData->childShadowRootCount() : 0;
}
-void ShadowRoot::invalidateChildInsertionPoints()
+void ShadowRoot::invalidateDescendantInsertionPoints()
{
- m_childInsertionPointsIsValid = false;
+ m_descendantInsertionPointsIsValid = false;
m_shadowRootRareData->clearDescendantInsertionPoints();
}
-const Vector<RefPtr<InsertionPoint> >& ShadowRoot::descendantInsertionPoints()
+const WillBeHeapVector<RefPtrWillBeMember<InsertionPoint> >& ShadowRoot::descendantInsertionPoints()
{
- DEFINE_STATIC_LOCAL(const Vector<RefPtr<InsertionPoint> >, emptyList, ());
-
- if (m_shadowRootRareData && m_childInsertionPointsIsValid)
+ DEFINE_STATIC_LOCAL(WillBePersistentHeapVector<RefPtrWillBeMember<InsertionPoint> >, emptyList, ());
+ if (m_shadowRootRareData && m_descendantInsertionPointsIsValid)
return m_shadowRootRareData->descendantInsertionPoints();
- m_childInsertionPointsIsValid = true;
+ m_descendantInsertionPointsIsValid = true;
if (!containsInsertionPoints())
return emptyList;
- Vector<RefPtr<InsertionPoint> > insertionPoints;
- for (Element* element = ElementTraversal::firstWithin(this); element; element = ElementTraversal::next(element, this)) {
- if (element->isInsertionPoint())
- insertionPoints.append(toInsertionPoint(element));
- }
+ WillBeHeapVector<RefPtrWillBeMember<InsertionPoint> > insertionPoints;
+ for (InsertionPoint& insertionPoint : Traversal<InsertionPoint>::descendantsOf(*this))
+ insertionPoints.append(&insertionPoint);
ensureShadowRootRareData()->setDescendantInsertionPoints(insertionPoints);
return m_shadowRootRareData->styleSheets();
}
+void ShadowRoot::trace(Visitor* visitor)
+{
+ visitor->trace(m_prev);
+ visitor->trace(m_next);
+ visitor->trace(m_shadowRootRareData);
+ TreeScope::trace(visitor);
+ DocumentFragment::trace(visitor);
+}
+
}