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#include "config.h"
32#include "core/dom/custom/CustomElementCallbackInvocation.h"
33
34#include "core/dom/Element.h"
35#include "core/dom/custom/CustomElementCallbackScheduler.h"
36
37namespace WebCore {
38
39class CreatedInvocation : public CustomElementCallbackInvocation {
40public:
41    CreatedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks)
42        : CustomElementCallbackInvocation(callbacks)
43    {
44    }
45
46private:
47    virtual void dispatch(Element*) OVERRIDE;
48    virtual bool isCreated() const OVERRIDE { return true; }
49};
50
51void CreatedInvocation::dispatch(Element* element)
52{
53    if (element->inDocument() && element->document().domWindow())
54        CustomElementCallbackScheduler::scheduleAttachedCallback(callbacks(), element);
55    callbacks()->created(element);
56}
57
58class AttachedDetachedInvocation : public CustomElementCallbackInvocation {
59public:
60    AttachedDetachedInvocation(PassRefPtr<CustomElementLifecycleCallbacks>, CustomElementLifecycleCallbacks::CallbackType which);
61
62private:
63    virtual void dispatch(Element*) OVERRIDE;
64
65    CustomElementLifecycleCallbacks::CallbackType m_which;
66};
67
68AttachedDetachedInvocation::AttachedDetachedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, CustomElementLifecycleCallbacks::CallbackType which)
69    : CustomElementCallbackInvocation(callbacks)
70    , m_which(which)
71{
72    ASSERT(m_which == CustomElementLifecycleCallbacks::Attached || m_which == CustomElementLifecycleCallbacks::Detached);
73}
74
75void AttachedDetachedInvocation::dispatch(Element* element)
76{
77    switch (m_which) {
78    case CustomElementLifecycleCallbacks::Attached:
79        callbacks()->attached(element);
80        break;
81    case CustomElementLifecycleCallbacks::Detached:
82        callbacks()->detached(element);
83        break;
84    default:
85        ASSERT_NOT_REACHED();
86    }
87}
88
89class AttributeChangedInvocation : public CustomElementCallbackInvocation {
90public:
91    AttributeChangedInvocation(PassRefPtr<CustomElementLifecycleCallbacks>, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue);
92
93private:
94    virtual void dispatch(Element*) OVERRIDE;
95
96    AtomicString m_name;
97    AtomicString m_oldValue;
98    AtomicString m_newValue;
99};
100
101AttributeChangedInvocation::AttributeChangedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue)
102    : CustomElementCallbackInvocation(callbacks)
103    , m_name(name)
104    , m_oldValue(oldValue)
105    , m_newValue(newValue)
106{
107}
108
109void AttributeChangedInvocation::dispatch(Element* element)
110{
111    callbacks()->attributeChanged(element, m_name, m_oldValue, m_newValue);
112}
113
114PassOwnPtr<CustomElementCallbackInvocation> CustomElementCallbackInvocation::createInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, CustomElementLifecycleCallbacks::CallbackType which)
115{
116    switch (which) {
117    case CustomElementLifecycleCallbacks::Created:
118        return adoptPtr(new CreatedInvocation(callbacks));
119
120    case CustomElementLifecycleCallbacks::Attached:
121    case CustomElementLifecycleCallbacks::Detached:
122        return adoptPtr(new AttachedDetachedInvocation(callbacks, which));
123
124    default:
125        ASSERT_NOT_REACHED();
126        return PassOwnPtr<CustomElementCallbackInvocation>();
127    }
128}
129
130PassOwnPtr<CustomElementCallbackInvocation> CustomElementCallbackInvocation::createAttributeChangedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue)
131{
132    return adoptPtr(new AttributeChangedInvocation(callbacks, name, oldValue, newValue));
133}
134
135} // namespace WebCore
136