AI 145796: Land the WebKit merge @r42026.

Automated import of CL 145796

1 files changed, 193 insertions, 0 deletions

diff --git a/WebCore/bindings/v8/V8Collection.h b/WebCore/bindings/v8/V8Collection.h
new file mode 100644
index 0000000..247c108
--- /dev/null
+++ b/WebCore/bindings/v8/V8Collection.h
@@ -0,0 +1,193 @@
+/*
+ * Copyright (C) 2006, 2007, 2008, 2009 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.
+ */
+
+#ifndef V8Collection_h
+#define V8Collection_h
+
+#include "V8Binding.h"
+#include "V8Proxy.h"
+#include <v8.h>
+
+namespace WebCore {
+    // FIXME: These functions should be named using to* since they return the item (get* is used for method that take a ref param).
+    // See https://bugs.webkit.org/show_bug.cgi?id=24664.
+
+    static v8::Handle<v8::Value> getV8Object(void* implementation, v8::Local<v8::Value> implementationType)
+    {
+        if (!implementation)
+            return v8::Handle<v8::Value>();
+        V8ClassIndex::V8WrapperType type = V8ClassIndex::FromInt(implementationType->Int32Value());
+        if (type == V8ClassIndex::NODE)
+            return V8Proxy::NodeToV8Object(static_cast<Node*>(implementation));
+        return V8Proxy::ToV8Object(type, implementation);
+    }
+
+    template<class T> static v8::Handle<v8::Value> getV8Object(PassRefPtr<T> implementation, v8::Local<v8::Value> implementationType)
+    {
+        return getV8Object(implementation.get(), implementationType);
+    }
+
+    // Returns named property of a collection.
+    template<class Collection, class ItemType> static v8::Handle<v8::Value> getNamedPropertyOfCollection(v8::Local<v8::String> name, v8::Local<v8::Object> object,
+                                                                                                         v8::Local<v8::Value> implementationType)
+    {
+        // FIXME: assert object is a collection type
+        ASSERT(V8Proxy::MaybeDOMWrapper(object));
+        V8ClassIndex::V8WrapperType wrapperType = V8Proxy::GetDOMWrapperType(object);
+        ASSERT(wrapperType != V8ClassIndex::NODE);
+        Collection* collection = V8Proxy::ToNativeObject<Collection>(wrapperType, object);
+        String propertyName = toWebCoreString(name);
+        return getV8Object<ItemType>(collection->namedItem(propertyName), implementationType);
+    }
+
+    // A template of named property accessor of collections.
+    template<class Collection, class ItemType> static v8::Handle<v8::Value> collectionNamedPropertyGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
+    {
+        return getNamedPropertyOfCollection<Collection, ItemType>(name, info.Holder(), info.Data());
+    }
+
+    // A template of named property accessor of HTMLSelectElement and HTMLFormElement.
+    template<class Collection> static v8::Handle<v8::Value> nodeCollectionNamedPropertyGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
+    {
+        ASSERT(V8Proxy::MaybeDOMWrapper(info.Holder()));
+        ASSERT(V8Proxy::GetDOMWrapperType(info.Holder()) == V8ClassIndex::NODE);
+        Collection* collection = V8Proxy::DOMWrapperToNode<Collection>(info.Holder());
+        String propertyName = toWebCoreString(name);
+        void* implementation = collection->namedItem(propertyName);
+        return getV8Object(implementation, info.Data());
+    }
+
+    // Returns the property at the index of a collection.
+    template<class Collection, class ItemType> static v8::Handle<v8::Value> getIndexedPropertyOfCollection(uint32_t index, v8::Local<v8::Object> object,
+                                                                                                           v8::Local<v8::Value> implementationType)
+    {
+        // FIXME: Assert that object must be a collection type.
+        ASSERT(V8Proxy::MaybeDOMWrapper(object));
+        V8ClassIndex::V8WrapperType wrapperType = V8Proxy::GetDOMWrapperType(object);
+        ASSERT(wrapperType != V8ClassIndex::NODE);
+        Collection* collection = V8Proxy::ToNativeObject<Collection>(wrapperType, object);
+        return getV8Object<ItemType>(collection->item(index), implementationType);
+    }
+
+    // A template of index interceptor of collections.
+    template<class Collection, class ItemType> static v8::Handle<v8::Value> collectionIndexedPropertyGetter(uint32_t index, const v8::AccessorInfo& info)
+    {
+        return getIndexedPropertyOfCollection<Collection, ItemType>(index, info.Holder(), info.Data());
+    }
+
+    // A template of index interceptor of HTMLSelectElement and HTMLFormElement.
+    template<class Collection> static v8::Handle<v8::Value> nodeCollectionIndexedPropertyGetter(uint32_t index, const v8::AccessorInfo& info)
+    {
+        ASSERT(V8Proxy::MaybeDOMWrapper(info.Holder()));
+        ASSERT(V8Proxy::GetDOMWrapperType(info.Holder()) == V8ClassIndex::NODE);
+        Collection* collection = V8Proxy::DOMWrapperToNode<Collection>(info.Holder());
+        void* implementation = collection->item(index);
+        return getV8Object(implementation, info.Data());
+    }
+
+    // Get an array containing the names of indexed properties of HTMLSelectElement and HTMLFormElement.
+    template<class Collection> static v8::Handle<v8::Array> nodeCollectionIndexedPropertyEnumerator(const v8::AccessorInfo& info)
+    {
+        ASSERT(V8Proxy::MaybeDOMWrapper(info.Holder()));
+        ASSERT(V8Proxy::GetDOMWrapperType(info.Holder()) == V8ClassIndex::NODE);
+        Collection* collection = V8Proxy::DOMWrapperToNode<Collection>(info.Holder());
+        int length = collection->length();
+        v8::Handle<v8::Array> properties = v8::Array::New(length);
+        for (int i = 0; i < length; ++i) {
+            // FIXME: Do we need to check that the item function returns a non-null value for this index?
+            v8::Handle<v8::Integer> integer = v8::Integer::New(i);
+            properties->Set(integer, integer);
+        }
+        return properties;
+    }
+
+    // Get an array containing the names of indexed properties in a collection.
+    template<class Collection> static v8::Handle<v8::Array> collectionIndexedPropertyEnumerator(const v8::AccessorInfo& info)
+    {
+        ASSERT(V8Proxy::MaybeDOMWrapper(info.Holder()));
+        V8ClassIndex::V8WrapperType wrapperType = V8Proxy::GetDOMWrapperType(info.Holder());
+        Collection* collection = V8Proxy::ToNativeObject<Collection>(wrapperType, info.Holder());
+        int length = collection->length();
+        v8::Handle<v8::Array> properties = v8::Array::New(length);
+        for (int i = 0; i < length; ++i) {
+            // FIXME: Do we need to check that the item function returns a non-null value for this index?
+            v8::Handle<v8::Integer> integer = v8::Integer::New(i);
+            properties->Set(integer, integer);
+        }
+        return properties;
+    }
+
+
+    // A template for indexed getters on collections of strings that should return null if the resulting string is a null string.
+    template<class Collection> static v8::Handle<v8::Value> collectionStringOrNullIndexedPropertyGetter(uint32_t index, const v8::AccessorInfo& info)
+    {
+        // FIXME: assert that object must be a collection type
+        ASSERT(V8Proxy::MaybeDOMWrapper(info.Holder()));
+        V8ClassIndex::V8WrapperType wrapperType = V8Proxy::GetDOMWrapperType(info.Holder());
+        Collection* collection = V8Proxy::ToNativeObject<Collection>(wrapperType, info.Holder());
+        String result = collection->item(index);
+        return v8StringOrNull(result);
+    }
+
+
+    // Add indexed getter to the function template for a collection.
+    template<class Collection, class ItemType> static void setCollectionIndexedGetter(v8::Handle<v8::FunctionTemplate> desc, V8ClassIndex::V8WrapperType type)
+    {
+        desc->InstanceTemplate()->SetIndexedPropertyHandler(collectionIndexedPropertyGetter<Collection, ItemType>, 0, 0, 0, collectionIndexedPropertyEnumerator<Collection>,
+                                                            v8::Integer::New(V8ClassIndex::ToInt(type)));
+    }
+
+
+    // Add named getter to the function template for a collection.
+    template<class Collection, class ItemType> static void setCollectionNamedGetter(v8::Handle<v8::FunctionTemplate> desc, V8ClassIndex::V8WrapperType type)
+    {
+        desc->InstanceTemplate()->SetNamedPropertyHandler(collectionNamedPropertyGetter<Collection, ItemType>, 0, 0, 0, 0, v8::Integer::New(V8ClassIndex::ToInt(type)));
+    }
+
+
+    // Add named and indexed getters to the function template for a collection.
+    template<class Collection, class ItemType> static void setCollectionIndexedAndNamedGetters(v8::Handle<v8::FunctionTemplate> desc, V8ClassIndex::V8WrapperType type)
+    {
+        // If we interceptor before object, accessing 'length' can trigger a webkit assertion error (see fast/dom/HTMLDocument/document-special-properties.html).
+        desc->InstanceTemplate()->SetNamedPropertyHandler(collectionNamedPropertyGetter<Collection, ItemType>, 0, 0, 0, 0, v8::Integer::New(V8ClassIndex::ToInt(type)));
+        desc->InstanceTemplate()->SetIndexedPropertyHandler(collectionIndexedPropertyGetter<Collection, ItemType>, 0, 0, 0, collectionIndexedPropertyEnumerator<Collection>,
+                                                            v8::Integer::New(V8ClassIndex::ToInt(type)));
+    }
+
+
+    // Add indexed getter returning a string or null to a function template for a collection.
+    template<class Collection> static void setCollectionStringOrNullIndexedGetter(v8::Handle<v8::FunctionTemplate> desc)
+    {
+        desc->InstanceTemplate()->SetIndexedPropertyHandler(collectionStringOrNullIndexedPropertyGetter<Collection>, 0, 0, 0, collectionIndexedPropertyEnumerator<Collection>);
+    }
+
+} // namespace WebCore
+
+#endif // V8Collection_h