Dartium changes for custom element lifecycle events.

Source/bindings/dart/DartCustomElementConstructorBuilder.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef CustomElementConstructorBuilder_h
-#define CustomElementConstructorBuilder_h
+#ifndef DartCustomElementConstructorBuilder_h
+#define DartCustomElementConstructorBuilder_h
 
-#include "bindings/v8/ScriptValue.h"
-#include "bindings/v8/V8CustomElementLifecycleCallbacks.h"
-#include "core/dom/CustomElementLifecycleCallbacks.h"
-#include "core/dom/QualifiedName.h"
-#include "wtf/Noncopyable.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefPtr.h"
-#include "wtf/text/AtomicString.h"
+#include "bindings/v8/CustomElementConstructorBuilder.h"
+
+#include <dart_api.h>
 #include <v8.h>
 
 namespace WebCore {
 
 class CustomElementDefinition;
+class DartCustomElementLifecycleCallbacks;
 class Dictionary;
 class Document;
-class Element;
 class ExceptionState;
 class QualifiedName;
 class ScriptState;
-class V8PerContextData;
-class WrapperTypeInfo;
+
 
 // Handles the scripting-specific parts of the Custom Elements element
 // registration algorithm and constructor generation algorithm. It is
 // used in the implementation of those algorithms in
 // Document::registerElement.
-class CustomElementConstructorBuilder {
-    WTF_MAKE_NONCOPYABLE(CustomElementConstructorBuilder);
+class DartCustomElementConstructorBuilder : public CustomElementConstructorBuilder {
+    WTF_MAKE_NONCOPYABLE(DartCustomElementConstructorBuilder);
 public:
-    CustomElementConstructorBuilder(ScriptState*, const Dictionary* options);
+    DartCustomElementConstructorBuilder(Dart_Handle type, const AtomicString& extendsTagName, ScriptState*, const Dictionary* options);
+    virtual ~DartCustomElementConstructorBuilder() { }
 
     // The builder accumulates state and may run script at specific
     // points. These methods must be called in order. When one fails
     // (returns false), the calls must stop.
 
-    bool isFeatureAllowed() const;
-    bool validateOptions(const AtomicString& type, ExceptionState&);
-    bool findTagName(const AtomicString& customElementType, QualifiedName& tagName);
-    PassRefPtr<CustomElementLifecycleCallbacks> createCallbacks();
-    bool createConstructor(Document*, CustomElementDefinition*, ExceptionState&);
-    bool didRegisterDefinition(CustomElementDefinition*) const;
+    virtual bool isFeatureAllowed() const;
+    virtual bool validateOptions(const AtomicString& type, ExceptionState&);
+    virtual bool findTagName(const AtomicString& customElementType, QualifiedName& tagName);
+    virtual PassRefPtr<CustomElementLifecycleCallbacks> createCallbacks();
+    virtual bool createConstructor(Document*, CustomElementDefinition*, ExceptionState&);
+    virtual bool didRegisterDefinition(CustomElementDefinition*) const;
 
     // This method collects a return value for the bindings. It is
     // safe to call this method even if the builder failed; it will
     // return an empty value.
-    ScriptValue bindingsReturnValue() const;
+    virtual ScriptValue bindingsReturnValue() const;
 
 private:
-    static WrapperTypeInfo* findWrapperType(v8::Handle<v8::Value> chain);
-    bool hasValidPrototypeChainFor(V8PerContextData*, WrapperTypeInfo*) const;
-    bool prototypeIsValid(const AtomicString& type, ExceptionState&) const;
-    v8::Handle<v8::Function> retrieveCallback(v8::Isolate*, const char* name);
-
+    Dart_Handle m_customType;

[siva, 2013/09/20 20:57:37]

How do we ensure that this handle will not go out of scope before
DartCustomElementConstructorBuilder is destroyed?

[blois, 2013/09/20 22:18:03]

This class is only used as a stack variable from DartNativeUtilities.cpp.

+    Dart_Isolate m_isolate;
+    AtomicString m_namespaceURI;
+    AtomicString m_extendsTagName;
+    AtomicString m_localName;
     v8::Handle<v8::Context> m_context;
-    const Dictionary* m_options;
-    v8::Handle<v8::Object> m_prototype;
-    WrapperTypeInfo* m_wrapperType;
-    AtomicString m_namespaceURI;
-    v8::Handle<v8::Function> m_constructor;
-    RefPtr<V8CustomElementLifecycleCallbacks> m_callbacks;
+    RefPtr<DartCustomElementLifecycleCallbacks> m_callbacks;
 };
 
 }
 
-#endif // CustomElementConstructorBuilder_h
+#endif // DartCustomElementConstructorBuilder_h