Move attributes-related methods from ElementData to AttributeCollection

Source/core/dom/AttributeCollection.cpp

Index: Source/core/dom/AttributeCollection.cpp
diff --git a/Source/modules/webmidi/MIDIController.h b/Source/core/dom/AttributeCollection.cpp
similarity index 51%
copy from Source/modules/webmidi/MIDIController.h
copy to Source/core/dom/AttributeCollection.cpp
index 2aff8a39254987637d780d92baa29d0d79e64bf5..fb01fd30a2d686a8c1f9fdb8b0892888a2f8ebe5 100644
--- a/Source/modules/webmidi/MIDIController.h
+++ b/Source/core/dom/AttributeCollection.cpp
@@ -1,5 +1,7 @@
 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
+ * Copyright (C) 2014 Apple Inc. All rights reserved.
+ * Copyright (C) 2014 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -28,38 +30,45 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef MIDIController_h
-#define MIDIController_h
+#include "config.h"
+#include "core/dom/AttributeCollection.h"
 
-#include "core/frame/LocalFrame.h"
-#include "platform/heap/Handle.h"
+#include "core/dom/Attr.h"
 
 namespace WebCore {
 
-class MIDIAccessInitializer;
-class MIDIClient;
+size_t AttributeCollection::findIndex(Attr* attr) const
+{
+    // This relies on the fact that Attr's QualifiedName == the Attribute's name.
+    const_iterator end = this->end();
+    unsigned index = 0;
+    for (const_iterator it = begin(); it != end; ++it, ++index) {
+        if (it->name() == attr->qualifiedName())
+            return index;
+    }
+    return kNotFound;
+}
 
-class MIDIController FINAL : public NoBaseWillBeGarbageCollectedFinalized<MIDIController>, public WillBeHeapSupplement<LocalFrame> {
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MIDIController);
-public:
-    virtual ~MIDIController();
-
-    void requestSysexPermission(MIDIAccessInitializer*);
-    void cancelSysexPermissionRequest(MIDIAccessInitializer*);
-
-    static PassOwnPtrWillBeRawPtr<MIDIController> create(PassOwnPtr<MIDIClient>);
-    static const char* supplementName();
-    static MIDIController* from(LocalFrame* frame) { return static_cast<MIDIController*>(WillBeHeapSupplement<LocalFrame>::from(frame, supplementName())); }
-
-    virtual void trace(Visitor* visitor) OVERRIDE { WillBeHeapSupplement<LocalFrame>::trace(visitor); }
-
-protected:
-    explicit MIDIController(PassOwnPtr<MIDIClient>);
-
-private:
-    OwnPtr<MIDIClient> m_client;
-};
+size_t AttributeCollection::findSlowCase(const AtomicString& name, bool shouldIgnoreAttributeCase) const
+{
+    // Continue to checking case-insensitively and/or full namespaced names if necessary:
+    const_iterator end = this->end();
+    unsigned index = 0;
+    for (const_iterator it = begin(); it != end; ++it, ++index) {
+        // FIXME: Why check the prefix? Namespace is all that should matter
+        // and all HTML/SVG attributes have a null namespace!
+        if (!it->name().hasPrefix()) {
+            if (shouldIgnoreAttributeCase && equalIgnoringCase(name, it->localName()))
+                return index;
+        } else {
+            // FIXME: Would be faster to do this comparison without calling toString, which
+            // generates a temporary string by concatenation. But this branch is only reached
+            // if the attribute name has a prefix, which is rare in HTML.
+            if (equalPossiblyIgnoringCase(name, it->name().toString(), shouldIgnoreAttributeCase))
+                return index;
+        }
+    }
+    return kNotFound;
+}
 
 } // namespace WebCore
-
-#endif // MIDIController_h