third_party/WebKit/Source/core/dom/custom/CustomElementRegistry.h

   1 /*
   2  * Copyright (C) 2012 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 CustomElementRegistry_h
  32 #define CustomElementRegistry_h
  33
  34 #include "core/dom/custom/CustomElement.h"
  35 #include "core/dom/custom/CustomElementDefinition.h"
  36 #include "core/dom/custom/CustomElementDescriptor.h"
  37 #include "core/dom/custom/CustomElementDescriptorHash.h"
  38 #include "wtf/HashMap.h"
  39 #include "wtf/HashSet.h"
  40 #include "wtf/RefPtr.h"
  41 #include "wtf/text/AtomicString.h"
  42 #include "wtf/text/AtomicStringHash.h"
  43
  44 namespace blink {
  45
  46 class CustomElementConstructorBuilder;
  47 class ExceptionState;
  48
  49 class CustomElementRegistry final {
  50     WTF_MAKE_NONCOPYABLE(CustomElementRegistry);
  51     DISALLOW_ALLOCATION();
  52 public:
  53     DECLARE_TRACE();
  54     void documentWasDetached() { m_documentWasDetached = true; }
  55
  56 protected:
  57     friend class CustomElementRegistrationContext;
  58
  59     CustomElementRegistry() : m_documentWasDetached(false) { }
  60
  61     CustomElementDefinition* registerElement(Document*, CustomElementConstructorBuilder*, const AtomicString& name, CustomElement::NameSet validNames, ExceptionState&);
  62     CustomElementDefinition* find(const CustomElementDescriptor&) const;
  63
  64 private:
  65     typedef WillBeHeapHashMap<CustomElementDescriptor, RefPtrWillBeMember<CustomElementDefinition>> DefinitionMap;
  66     DefinitionMap m_definitions;
  67     HashSet<AtomicString> m_registeredTypeNames;
  68     bool m_documentWasDetached;
  69 };
  70
  71 } // namespace blink
  72
  73 #endif // CustomElementRegistry_h