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      1 /*
      2  * Copyright (C) 2013 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer
     12  *    in the documentation and/or other materials provided with the
     13  *    distribution.
     14  * 3. Neither the name of Google Inc. nor the names of its contributors
     15  *    may be used to endorse or promote products derived from this
     16  *    software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef CustomElementRegistrationContext_h
     32 #define CustomElementRegistrationContext_h
     33 
     34 #include "core/dom/QualifiedName.h"
     35 #include "core/dom/custom/CustomElementDescriptor.h"
     36 #include "core/dom/custom/CustomElementRegistry.h"
     37 #include "core/dom/custom/CustomElementUpgradeCandidateMap.h"
     38 #include "platform/heap/Handle.h"
     39 #include "wtf/HashMap.h"
     40 #include "wtf/PassOwnPtr.h"
     41 #include "wtf/PassRefPtr.h"
     42 #include "wtf/text/AtomicString.h"
     43 
     44 namespace WebCore {
     45 
     46 class CustomElementConstructorBuilder;
     47 class CustomElementDefinition;
     48 class Document;
     49 class Element;
     50 class ExceptionState;
     51 
     52 class CustomElementRegistrationContext FINAL : public RefCountedWillBeGarbageCollectedFinalized<CustomElementRegistrationContext> {
     53 public:
     54     static PassRefPtrWillBeRawPtr<CustomElementRegistrationContext> create()
     55     {
     56         return adoptRefWillBeNoop(new CustomElementRegistrationContext());
     57     }
     58 
     59     ~CustomElementRegistrationContext() { }
     60 
     61     // Definitions
     62     void registerElement(Document*, CustomElementConstructorBuilder*, const AtomicString& type, CustomElement::NameSet validNames, ExceptionState&);
     63 
     64     PassRefPtrWillBeRawPtr<Element> createCustomTagElement(Document&, const QualifiedName&);
     65     static void setIsAttributeAndTypeExtension(Element*, const AtomicString& type);
     66     static void setTypeExtension(Element*, const AtomicString& type);
     67 
     68     void resolve(Element*, const CustomElementDescriptor&);
     69 
     70     void trace(Visitor*);
     71 
     72 protected:
     73     CustomElementRegistrationContext();
     74 
     75     // Instance creation
     76     void didGiveTypeExtension(Element*, const AtomicString& type);
     77 
     78 private:
     79     void resolveOrScheduleResolution(Element*, const AtomicString& typeExtension);
     80 
     81     CustomElementRegistry m_registry;
     82 
     83     // Element creation
     84     OwnPtrWillBeMember<CustomElementUpgradeCandidateMap> m_candidates;
     85 };
     86 
     87 }
     88 
     89 #endif // CustomElementRegistrationContext_h
     90 
     91