1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
* Copyright (C) 2012 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:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. 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 CustomElementRegistry_h
#define CustomElementRegistry_h
#if ENABLE(CUSTOM_ELEMENTS)
#include "ContextDestructionObserver.h"
#include "ExceptionCode.h"
#include "QualifiedName.h"
#include "ScriptValue.h"
#include "Supplementable.h"
#include <wtf/HashSet.h>
#include <wtf/ListHashSet.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
#include <wtf/text/AtomicStringHash.h>
namespace WebCore {
class CustomElementConstructor;
class Dictionary;
class Document;
class Element;
class ScriptExecutionContext;
class QualifiedName;
class CustomElementInvocation {
public:
explicit CustomElementInvocation(PassRefPtr<Element>);
~CustomElementInvocation();
Element* element() const { return m_element.get(); }
private:
RefPtr<Element> m_element;
};
class CustomElementRegistry : public RefCounted<CustomElementRegistry> , public ContextDestructionObserver {
WTF_MAKE_NONCOPYABLE(CustomElementRegistry); WTF_MAKE_FAST_ALLOCATED;
public:
class CallbackDeliveryScope {
public:
CallbackDeliveryScope() { }
~CallbackDeliveryScope() { CustomElementRegistry::deliverAllLifecycleCallbacksIfNeeded(); }
};
explicit CustomElementRegistry(Document*);
~CustomElementRegistry();
PassRefPtr<CustomElementConstructor> registerElement(WebCore::ScriptState*, const AtomicString& name, const Dictionary& options, ExceptionCode&);
PassRefPtr<CustomElementConstructor> findFor(Element*) const;
PassRefPtr<CustomElementConstructor> find(const QualifiedName& elementName, const QualifiedName& localName) const;
PassRefPtr<Element> createElement(const QualifiedName& localName, const AtomicString& typeExtension) const;
Document* document() const;
void didGiveTypeExtension(Element*);
void didCreateElement(Element*);
static void deliverAllLifecycleCallbacks();
static void deliverAllLifecycleCallbacksIfNeeded();
private:
typedef HashMap<std::pair<QualifiedName, QualifiedName>, RefPtr<CustomElementConstructor> > ConstructorMap;
typedef HashSet<AtomicString> NameSet;
typedef ListHashSet<CustomElementRegistry*> InstanceSet;
static bool isValidName(const AtomicString&);
static InstanceSet& activeCustomElementRegistries();
void activate(const CustomElementInvocation&);
void deactivate();
void deliverLifecycleCallbacks();
ConstructorMap m_constructors;
NameSet m_names;
Vector<CustomElementInvocation> m_invocations;
};
inline void CustomElementRegistry::deliverAllLifecycleCallbacksIfNeeded()
{
if (!activeCustomElementRegistries().isEmpty())
deliverAllLifecycleCallbacks();
ASSERT(activeCustomElementRegistries().isEmpty());
}
inline CustomElementRegistry::InstanceSet& CustomElementRegistry::activeCustomElementRegistries()
{
DEFINE_STATIC_LOCAL(InstanceSet, activeInstances, ());
return activeInstances;
}
} // namespace WebCore
#endif // ENABLE(CUSTOM_ELEMENTS)
#endif
|
