Import Dart bindings as of Blink r188698. This merely copies the files over and does not attach any…

sky/engine/bindings-dart/core/dart/DartCustomElementConstructorBuilder.cpp

Index: sky/engine/bindings-dart/core/dart/DartCustomElementConstructorBuilder.cpp
diff --git a/sky/engine/bindings-dart/core/dart/DartCustomElementConstructorBuilder.cpp b/sky/engine/bindings-dart/core/dart/DartCustomElementConstructorBuilder.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..76ddec20bc4d310372c4405bceda440603df24d3
--- /dev/null
+++ b/sky/engine/bindings-dart/core/dart/DartCustomElementConstructorBuilder.cpp
@@ -0,0 +1,143 @@
+/*
+ * 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
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * 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.
+ */
+
+#include "config.h"
+#include "bindings/core/dart/DartCustomElementConstructorBuilder.h"
+
+#include "core/HTMLNames.h"
+#include "core/SVGNames.h"
+#include "bindings/core/dart/DartCustomElementBinding.h"
+#include "bindings/core/dart/DartCustomElementLifecycleCallbacks.h"
+#include "bindings/core/dart/DartDOMData.h"
+#include "bindings/core/dart/DartDOMWrapper.h"
+#include "bindings/core/dart/DartHTMLElement.h"
+#include "bindings/core/dart/DartUtilities.h"
+#include "bindings/core/v8/V8Binding.h"
+#include "bindings/dart/DartWebkitClassIds.h"
+#include "core/dom/Document.h"
+#include "core/dom/custom/CustomElementException.h"
+
+namespace blink {
+
+DartCustomElementConstructorBuilder::DartCustomElementConstructorBuilder(Dart_Handle customType, const AtomicString& extendsTagName, DartScriptState* state, const Dictionary* options)
+    : CustomElementConstructorBuilder(state, options)
+    , m_customType(customType)
+    , m_nativeClassId(_InvalidClassId)
+    , m_extendsTagName(extendsTagName)
+    , m_scriptState(state)
+{
+}
+
+bool DartCustomElementConstructorBuilder::isFeatureAllowed() const
+{
+    // Check that we are in the main world
+    return DartDOMData::current()->isDOMEnabled();
+}
+
+bool DartCustomElementConstructorBuilder::validateOptions(const AtomicString& type, QualifiedName& tagName, ExceptionState& es)
+{
+    AtomicString namespaceURI;
+    DartDOMData* domData = DartDOMData::current();
+
+    if (DartUtilities::isTypeSubclassOf(m_customType, domData->htmlLibrary(), "HtmlElement")) {
+        namespaceURI = HTMLNames::xhtmlNamespaceURI;
+    } else if (DartUtilities::isTypeSubclassOf(m_customType, domData->svgLibrary(), "SvgElement")) {
+        //namespaceURI = SVGNames::svgNamespaceURI;
+        // TODO(blois): Support SVG custom elements.
+        CustomElementException::throwException(CustomElementException::ExtendsIsInvalidName, type, es);
+        return false;
+    } else {
+        CustomElementException::throwException(CustomElementException::ExtendsIsInvalidName, type, es);
+        return false;
+    }
+
+    AtomicString localName;
+    if (!m_extendsTagName.isNull() && !m_extendsTagName.isEmpty()) {
+        localName = m_extendsTagName.lower();
+
+        Dart_Handle nativeElement = DartUtilities::getAndValidateNativeType(m_customType, m_extendsTagName);
+        if (!nativeElement || Dart_IsNull(nativeElement)) {
+            CustomElementException::throwException(CustomElementException::ExtendsIsInvalidName, type, es);
+            return false;
+        }
+
+        m_nativeClassId = reinterpret_cast<intptr_t>(DartDOMWrapper::readNativePointer(nativeElement, DartDOMWrapper::NativeTypeIndex));
+
+        if (!Document::isValidName(localName)) {
+            CustomElementException::throwException(CustomElementException::ExtendsIsInvalidName, type, es);
+            return false;
+        }
+        if (CustomElement::isValidName(localName)) {
+            CustomElementException::throwException(CustomElementException::ExtendsIsCustomElementName, type, es);
+            return false;
+        }
+    } else {
+        localName = type;
+        m_nativeClassId = DartHTMLElement::dartClassId;
+    }
+
+    m_localName = localName;
+    m_namespaceURI = namespaceURI;
+    findTagName(type, tagName);
+    return true;
+}
+
+bool DartCustomElementConstructorBuilder::findTagName(const AtomicString& customElementType, QualifiedName& tagName)
+{
+    if (!m_extendsTagName.isNull() && !m_extendsTagName.isEmpty()) {
+        tagName = QualifiedName(nullAtom, m_extendsTagName, m_namespaceURI);
+    } else {
+        tagName = QualifiedName(nullAtom, m_localName, m_namespaceURI);
+    }
+    return true;
+}
+
+PassRefPtr<CustomElementLifecycleCallbacks> DartCustomElementConstructorBuilder::createCallbacks()
+{
+    m_callbacks = DartCustomElementLifecycleCallbacks::create(m_scriptState.get());
+    return m_callbacks.get();
+}
+
+bool DartCustomElementConstructorBuilder::createConstructor(Document* document, CustomElementDefinition* definition, ExceptionState& es)
+{
+    return true;
+}
+
+bool DartCustomElementConstructorBuilder::didRegisterDefinition(CustomElementDefinition* definition) const
+{
+    return m_callbacks->setBinding(definition, DartCustomElementBinding::create(m_customType, m_nativeClassId));
+}
+
+ScriptValue DartCustomElementConstructorBuilder::bindingsReturnValue() const
+{
+    // Dart does not return a constructor.
+    return ScriptValue();
+}
+} // namespace blink