Title: [173234] trunk/Source/WebCore
Revision
173234
Author
ander...@apple.com
Date
2014-09-03 15:02:08 -0700 (Wed, 03 Sep 2014)

Log Message

Get rid of some uses of OwnPtr
https://bugs.webkit.org/show_bug.cgi?id=136503

Reviewed by Sam Weinig.

* dom/ElementRareData.cpp:
* dom/ElementRareData.h:
(WebCore::ElementRareData::create): Deleted.
* dom/MutationObserverRegistration.cpp:
(WebCore::MutationObserverRegistration::create): Deleted.
* dom/MutationObserverRegistration.h:
* dom/Node.cpp:
(WebCore::Node::materializeRareData):
(WebCore::Node::didMoveToNewDocument):
(WebCore::eventTargetDataMap):
(WebCore::Node::eventTargetData):
(WebCore::Node::ensureEventTargetData):
(WebCore::Node::mutationObserverRegistry):
(WebCore::Node::registerMutationObserver):
(WebCore::Node::unregisterMutationObserver):
(WebCore::Node::notifyMutationObserversNodeWillDetach):
* dom/Node.h:
* dom/NodeRareData.h:
(WebCore::NodeListsNodeData::NodeListsNodeData):
(WebCore::NodeRareData::NodeRareData):
(WebCore::NodeRareData::clearNodeLists):
(WebCore::NodeRareData::ensureNodeLists):
(WebCore::NodeRareData::ensureMutationObserverData):
(WebCore::NodeListsNodeData::create): Deleted.
(WebCore::NodeMutationObserverData::create): Deleted.
(WebCore::NodeRareData::create): Deleted.

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (173233 => 173234)


--- trunk/Source/WebCore/ChangeLog	2014-09-03 21:52:06 UTC (rev 173233)
+++ trunk/Source/WebCore/ChangeLog	2014-09-03 22:02:08 UTC (rev 173234)
@@ -1,3 +1,37 @@
+2014-09-03  Anders Carlsson  <ander...@apple.com>
+
+        Get rid of some uses of OwnPtr
+        https://bugs.webkit.org/show_bug.cgi?id=136503
+
+        Reviewed by Sam Weinig.
+
+        * dom/ElementRareData.cpp:
+        * dom/ElementRareData.h:
+        (WebCore::ElementRareData::create): Deleted.
+        * dom/MutationObserverRegistration.cpp:
+        (WebCore::MutationObserverRegistration::create): Deleted.
+        * dom/MutationObserverRegistration.h:
+        * dom/Node.cpp:
+        (WebCore::Node::materializeRareData):
+        (WebCore::Node::didMoveToNewDocument):
+        (WebCore::eventTargetDataMap):
+        (WebCore::Node::eventTargetData):
+        (WebCore::Node::ensureEventTargetData):
+        (WebCore::Node::mutationObserverRegistry):
+        (WebCore::Node::registerMutationObserver):
+        (WebCore::Node::unregisterMutationObserver):
+        (WebCore::Node::notifyMutationObserversNodeWillDetach):
+        * dom/Node.h:
+        * dom/NodeRareData.h:
+        (WebCore::NodeListsNodeData::NodeListsNodeData):
+        (WebCore::NodeRareData::NodeRareData):
+        (WebCore::NodeRareData::clearNodeLists):
+        (WebCore::NodeRareData::ensureNodeLists):
+        (WebCore::NodeRareData::ensureMutationObserverData):
+        (WebCore::NodeListsNodeData::create): Deleted.
+        (WebCore::NodeMutationObserverData::create): Deleted.
+        (WebCore::NodeRareData::create): Deleted.
+
 2014-09-02  Maciej Stachowiak  <m...@apple.com>
 
         Clean up naming for and slightly refactor legacy video fullscreen support

Modified: trunk/Source/WebCore/dom/ElementRareData.cpp (173233 => 173234)


--- trunk/Source/WebCore/dom/ElementRareData.cpp	2014-09-03 21:52:06 UTC (rev 173233)
+++ trunk/Source/WebCore/dom/ElementRareData.cpp	2014-09-03 22:02:08 UTC (rev 173234)
@@ -42,6 +42,6 @@
     void* pointers[7];
 };
 
-COMPILE_ASSERT(sizeof(ElementRareData) == sizeof(SameSizeAsElementRareData), ElementRareDataShouldStaySmall);
+static_assert(sizeof(ElementRareData) == sizeof(SameSizeAsElementRareData), "ElementRareData should stay small");
 
 } // namespace WebCore

Modified: trunk/Source/WebCore/dom/ElementRareData.h (173233 => 173234)


--- trunk/Source/WebCore/dom/ElementRareData.h	2014-09-03 21:52:06 UTC (rev 173233)
+++ trunk/Source/WebCore/dom/ElementRareData.h	2014-09-03 22:02:08 UTC (rev 173234)
@@ -36,8 +36,7 @@
 
 class ElementRareData : public NodeRareData {
 public:
-    static PassOwnPtr<ElementRareData> create(RenderElement* renderer) { return adoptPtr(new ElementRareData(renderer)); }
-
+    explicit ElementRareData(RenderElement*);
     ~ElementRareData();
 
     void setBeforePseudoElement(PassRefPtr<PseudoElement>);
@@ -146,7 +145,6 @@
     RefPtr<PseudoElement> m_beforePseudoElement;
     RefPtr<PseudoElement> m_afterPseudoElement;
 
-    explicit ElementRareData(RenderElement*);
     void releasePseudoElement(PseudoElement*);
 };
 

Modified: trunk/Source/WebCore/dom/MutationObserverRegistration.cpp (173233 => 173234)


--- trunk/Source/WebCore/dom/MutationObserverRegistration.cpp	2014-09-03 21:52:06 UTC (rev 173233)
+++ trunk/Source/WebCore/dom/MutationObserverRegistration.cpp	2014-09-03 22:02:08 UTC (rev 173234)
@@ -37,11 +37,6 @@
 
 namespace WebCore {
 
-PassOwnPtr<MutationObserverRegistration> MutationObserverRegistration::create(PassRefPtr<MutationObserver> observer, Node* registrationNode, MutationObserverOptions options, const HashSet<AtomicString>& attributeFilter)
-{
-    return adoptPtr(new MutationObserverRegistration(observer, registrationNode, options, attributeFilter));
-}
-
 MutationObserverRegistration::MutationObserverRegistration(PassRefPtr<MutationObserver> observer, Node* registrationNode, MutationObserverOptions options, const HashSet<AtomicString>& attributeFilter)
     : m_observer(observer)
     , m_registrationNode(registrationNode)

Modified: trunk/Source/WebCore/dom/MutationObserverRegistration.h (173233 => 173234)


--- trunk/Source/WebCore/dom/MutationObserverRegistration.h	2014-09-03 21:52:06 UTC (rev 173233)
+++ trunk/Source/WebCore/dom/MutationObserverRegistration.h	2014-09-03 22:02:08 UTC (rev 173234)
@@ -42,7 +42,7 @@
 
 class MutationObserverRegistration {
 public:
-    static PassOwnPtr<MutationObserverRegistration> create(PassRefPtr<MutationObserver>, Node*, MutationObserverOptions, const HashSet<AtomicString>& attributeFilter);
+    MutationObserverRegistration(PassRefPtr<MutationObserver>, Node*, MutationObserverOptions, const HashSet<AtomicString>& attributeFilter);
     ~MutationObserverRegistration();
 
     void resetObservation(MutationObserverOptions, const HashSet<AtomicString>& attributeFilter);
@@ -61,8 +61,6 @@
     void addRegistrationNodesToSet(HashSet<Node*>&) const;
 
 private:
-    MutationObserverRegistration(PassRefPtr<MutationObserver>, Node*, MutationObserverOptions, const HashSet<AtomicString>& attributeFilter);
-
     RefPtr<MutationObserver> m_observer;
     Node* m_registrationNode;
     RefPtr<Node> m_registrationNodeKeepAlive;

Modified: trunk/Source/WebCore/dom/Node.cpp (173233 => 173234)


--- trunk/Source/WebCore/dom/Node.cpp	2014-09-03 21:52:06 UTC (rev 173233)
+++ trunk/Source/WebCore/dom/Node.cpp	2014-09-03 22:02:08 UTC (rev 173234)
@@ -329,9 +329,9 @@
 {
     NodeRareData* data;
     if (isElementNode())
-        data = ""
+        data = ""
     else
-        data = ""
+        data = ""
     ASSERT(data);
 
     m_data.m_rareData = data;
@@ -1755,16 +1755,14 @@
         }
     }
 
-    if (Vector<OwnPtr<MutationObserverRegistration>>* registry = mutationObserverRegistry()) {
-        for (size_t i = 0; i < registry->size(); ++i) {
-            document().addMutationObserverTypes(registry->at(i)->mutationTypes());
-        }
+    if (Vector<std::unique_ptr<MutationObserverRegistration>>* registry = mutationObserverRegistry()) {
+        for (const auto& registration : *registry)
+            document().addMutationObserverTypes(registration->mutationTypes());
     }
 
     if (HashSet<MutationObserverRegistration*>* transientRegistry = transientMutationObserverRegistry()) {
-        for (HashSet<MutationObserverRegistration*>::iterator iter = transientRegistry->begin(); iter != transientRegistry->end(); ++iter) {
-            document().addMutationObserverTypes((*iter)->mutationTypes());
-        }
+        for (const auto& registration : *transientRegistry)
+            document().addMutationObserverTypes(registration->mutationTypes());
     }
 }
 
@@ -1852,27 +1850,27 @@
     return tryRemoveEventListener(this, eventType, listener, useCapture);
 }
 
-typedef HashMap<Node*, OwnPtr<EventTargetData>> EventTargetDataMap;
+typedef HashMap<Node*, std::unique_ptr<EventTargetData>> EventTargetDataMap;
 
 static EventTargetDataMap& eventTargetDataMap()
 {
-    DEPRECATED_DEFINE_STATIC_LOCAL(EventTargetDataMap, map, ());
+    static NeverDestroyed<EventTargetDataMap> map;
+
     return map;
 }
 
 EventTargetData* Node::eventTargetData()
 {
-    return hasEventTargetData() ? eventTargetDataMap().get(this) : 0;
+    return hasEventTargetData() ? eventTargetDataMap().get(this) : nullptr;
 }
 
 EventTargetData& Node::ensureEventTargetData()
 {
     if (hasEventTargetData())
         return *eventTargetDataMap().get(this);
+
     setHasEventTargetData(true);
-    EventTargetData* data = "" EventTargetData;
-    eventTargetDataMap().set(this, adoptPtr(data));
-    return *data;
+    return *eventTargetDataMap().set(this, std::make_unique<EventTargetData>()).iterator->value;
 }
 
 void Node::clearEventTargetData()
@@ -1880,7 +1878,7 @@
     eventTargetDataMap().remove(this);
 }
 
-Vector<OwnPtr<MutationObserverRegistration>>* Node::mutationObserverRegistry()
+Vector<std::unique_ptr<MutationObserverRegistration>>* Node::mutationObserverRegistry()
 {
     if (!hasRareData())
         return 0;
@@ -1929,8 +1927,9 @@
 
 void Node::registerMutationObserver(MutationObserver* observer, MutationObserverOptions options, const HashSet<AtomicString>& attributeFilter)
 {
-    MutationObserverRegistration* registration = 0;
-    Vector<OwnPtr<MutationObserverRegistration>>& registry = ensureRareData().ensureMutationObserverData().registry;
+    MutationObserverRegistration* registration = nullptr;
+    auto& registry = ensureRareData().ensureMutationObserverData().registry;
+
     for (size_t i = 0; i < registry.size(); ++i) {
         if (registry[i]->observer() == observer) {
             registration = registry[i].get();
@@ -1939,7 +1938,7 @@
     }
 
     if (!registration) {
-        registry.append(MutationObserverRegistration::create(observer, this, options, attributeFilter));
+        registry.append(std::make_unique<MutationObserverRegistration>(observer, this, options, attributeFilter));
         registration = registry.last().get();
     }
 
@@ -1948,17 +1947,17 @@
 
 void Node::unregisterMutationObserver(MutationObserverRegistration* registration)
 {
-    Vector<OwnPtr<MutationObserverRegistration>>* registry = mutationObserverRegistry();
+    auto* registry = mutationObserverRegistry();
     ASSERT(registry);
     if (!registry)
         return;
 
-    size_t index = registry->find(registration);
-    ASSERT(index != notFound);
-    if (index == notFound)
-        return;
-
-    registry->remove(index);
+    for (size_t i = 0; i < registry->size(); ++i) {
+        if (registry->at(i).get() == registration) {
+            registry->remove(i);
+            return;
+        }
+    }
 }
 
 void Node::registerTransientMutationObserver(MutationObserverRegistration* registration)
@@ -1983,7 +1982,7 @@
         return;
 
     for (Node* node = parentNode(); node; node = node->parentNode()) {
-        if (Vector<OwnPtr<MutationObserverRegistration>>* registry = node->mutationObserverRegistry()) {
+        if (auto* registry = node->mutationObserverRegistry()) {
             const size_t size = registry->size();
             for (size_t i = 0; i < size; ++i)
                 registry->at(i)->observedSubtreeNodeWillDetach(this);

Modified: trunk/Source/WebCore/dom/Node.h (173233 => 173234)


--- trunk/Source/WebCore/dom/Node.h	2014-09-03 21:52:06 UTC (rev 173233)
+++ trunk/Source/WebCore/dom/Node.h	2014-09-03 22:02:08 UTC (rev 173234)
@@ -693,7 +693,7 @@
     void trackForDebugging();
     void materializeRareData();
 
-    Vector<OwnPtr<MutationObserverRegistration>>* mutationObserverRegistry();
+    Vector<std::unique_ptr<MutationObserverRegistration>>* mutationObserverRegistry();
     HashSet<MutationObserverRegistration*>* transientMutationObserverRegistry();
 
     mutable uint32_t m_nodeFlags;

Modified: trunk/Source/WebCore/dom/NodeRareData.h (173233 => 173234)


--- trunk/Source/WebCore/dom/NodeRareData.h	2014-09-03 21:52:06 UTC (rev 173233)
+++ trunk/Source/WebCore/dom/NodeRareData.h	2014-09-03 22:02:08 UTC (rev 173234)
@@ -34,8 +34,6 @@
 #include "QualifiedName.h"
 #include "TagNodeList.h"
 #include <wtf/HashSet.h>
-#include <wtf/OwnPtr.h>
-#include <wtf/PassOwnPtr.h>
 #include <wtf/text/AtomicString.h>
 #include <wtf/text/StringHash.h>
 
@@ -60,6 +58,12 @@
 class NodeListsNodeData {
     WTF_MAKE_NONCOPYABLE(NodeListsNodeData); WTF_MAKE_FAST_ALLOCATED;
 public:
+    NodeListsNodeData()
+        : m_childNodeList(nullptr)
+        , m_emptyChildNodeList(nullptr)
+    {
+    }
+
     void clearChildNodeListCache()
     {
         if (m_childNodeList)
@@ -218,11 +222,6 @@
         m_cachedCollections.remove(namedCollectionKey(collection->type(), name));
     }
 
-    static PassOwnPtr<NodeListsNodeData> create()
-    {
-        return adoptPtr(new NodeListsNodeData);
-    }
-
     void invalidateCaches(const QualifiedName* attrName = 0);
     bool isEmpty() const
     {
@@ -258,12 +257,6 @@
     }
 
 private:
-    NodeListsNodeData()
-        : m_childNodeList(nullptr)
-        , m_emptyChildNodeList(nullptr)
-    {
-    }
-
     std::pair<unsigned char, AtomicString> namedCollectionKey(CollectionType type, const AtomicString& name)
     {
         return std::pair<unsigned char, AtomicString>(type, name);
@@ -290,26 +283,26 @@
 class NodeMutationObserverData {
     WTF_MAKE_NONCOPYABLE(NodeMutationObserverData); WTF_MAKE_FAST_ALLOCATED;
 public:
-    Vector<OwnPtr<MutationObserverRegistration>> registry;
+    Vector<std::unique_ptr<MutationObserverRegistration>> registry;
     HashSet<MutationObserverRegistration*> transientRegistry;
 
-    static PassOwnPtr<NodeMutationObserverData> create() { return adoptPtr(new NodeMutationObserverData); }
-
-private:
     NodeMutationObserverData() { }
 };
 
 class NodeRareData : public NodeRareDataBase {
     WTF_MAKE_NONCOPYABLE(NodeRareData); WTF_MAKE_FAST_ALLOCATED;
 public:
-    static PassOwnPtr<NodeRareData> create(RenderObject* renderer) { return adoptPtr(new NodeRareData(renderer)); }
+    NodeRareData(RenderObject* renderer)
+        : NodeRareDataBase(renderer)
+        , m_connectedFrameCount(0)
+    { }
 
-    void clearNodeLists() { m_nodeLists.clear(); }
+    void clearNodeLists() { m_nodeLists = nullptr; }
     NodeListsNodeData* nodeLists() const { return m_nodeLists.get(); }
     NodeListsNodeData& ensureNodeLists()
     {
         if (!m_nodeLists)
-            m_nodeLists = NodeListsNodeData::create();
+            m_nodeLists = std::make_unique<NodeListsNodeData>();
         return *m_nodeLists;
     }
 
@@ -317,7 +310,7 @@
     NodeMutationObserverData& ensureMutationObserverData()
     {
         if (!m_mutationObserverData)
-            m_mutationObserverData = NodeMutationObserverData::create();
+            m_mutationObserverData = std::make_unique<NodeMutationObserverData>();
         return *m_mutationObserverData;
     }
 
@@ -333,17 +326,11 @@
         m_connectedFrameCount -= amount;
     }
 
-protected:
-    NodeRareData(RenderObject* renderer)
-        : NodeRareDataBase(renderer)
-        , m_connectedFrameCount(0)
-    { }
-
 private:
     unsigned m_connectedFrameCount : 10; // Must fit Page::maxNumberOfFrames.
 
-    OwnPtr<NodeListsNodeData> m_nodeLists;
-    OwnPtr<NodeMutationObserverData> m_mutationObserverData;
+    std::unique_ptr<NodeListsNodeData> m_nodeLists;
+    std::unique_ptr<NodeMutationObserverData> m_mutationObserverData;
 };
 
 inline bool NodeListsNodeData::deleteThisAndUpdateNodeRareDataIfAboutToRemoveLastList(Node& ownerNode)
@@ -370,7 +357,7 @@
 }
 
 // Ensure the 10 bits reserved for the m_connectedFrameCount cannot overflow
-COMPILE_ASSERT(Page::maxNumberOfFrames < 1024, Frame_limit_should_fit_in_rare_data_count);
+static_assert(Page::maxNumberOfFrames < 1024, "Frame limit should fit in rare data count");
 
 } // namespace WebCore
 
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