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/Document.h"
35 #include "core/dom/Element.h"
36 #include "core/dom/custom/CustomElementScheduler.h"
37
38 namespace WebCore {
39
40 class AttachedDetachedInvocation : public CustomElementCallbackInvocation {
41 public:
42 AttachedDetachedInvocation(PassRefPtr<CustomElementLifecycleCallbacks>, CustomElementLifecycleCallbacks::CallbackType which);
43
44 private:
45 virtual void dispatch(Element*) OVERRIDE;
46
47 CustomElementLifecycleCallbacks::CallbackType m_which;
48 };
49
AttachedDetachedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks,CustomElementLifecycleCallbacks::CallbackType which)50 AttachedDetachedInvocation::AttachedDetachedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, CustomElementLifecycleCallbacks::CallbackType which)
51 : CustomElementCallbackInvocation(callbacks)
52 , m_which(which)
53 {
54 ASSERT(m_which == CustomElementLifecycleCallbacks::Attached || m_which == CustomElementLifecycleCallbacks::Detached);
55 }
56
dispatch(Element * element)57 void AttachedDetachedInvocation::dispatch(Element* element)
58 {
59 switch (m_which) {
60 case CustomElementLifecycleCallbacks::Attached:
61 callbacks()->attached(element);
62 break;
63 case CustomElementLifecycleCallbacks::Detached:
64 callbacks()->detached(element);
65 break;
66 default:
67 ASSERT_NOT_REACHED();
68 }
69 }
70
71 class AttributeChangedInvocation : public CustomElementCallbackInvocation {
72 public:
73 AttributeChangedInvocation(PassRefPtr<CustomElementLifecycleCallbacks>, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue);
74
75 private:
76 virtual void dispatch(Element*) OVERRIDE;
77
78 AtomicString m_name;
79 AtomicString m_oldValue;
80 AtomicString m_newValue;
81 };
82
AttributeChangedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks,const AtomicString & name,const AtomicString & oldValue,const AtomicString & newValue)83 AttributeChangedInvocation::AttributeChangedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue)
84 : CustomElementCallbackInvocation(callbacks)
85 , m_name(name)
86 , m_oldValue(oldValue)
87 , m_newValue(newValue)
88 {
89 }
90
dispatch(Element * element)91 void AttributeChangedInvocation::dispatch(Element* element)
92 {
93 callbacks()->attributeChanged(element, m_name, m_oldValue, m_newValue);
94 }
95
96 class CreatedInvocation : public CustomElementCallbackInvocation {
97 public:
CreatedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks)98 CreatedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks)
99 : CustomElementCallbackInvocation(callbacks)
100 {
101 }
102
103 private:
104 virtual void dispatch(Element*) OVERRIDE;
isCreated() const105 virtual bool isCreated() const OVERRIDE { return true; }
106 };
107
dispatch(Element * element)108 void CreatedInvocation::dispatch(Element* element)
109 {
110 if (element->inDocument() && element->document().domWindow())
111 CustomElementScheduler::scheduleCallback(callbacks(), element, CustomElementLifecycleCallbacks::Attached);
112 callbacks()->created(element);
113 }
114
createInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks,CustomElementLifecycleCallbacks::CallbackType which)115 PassOwnPtr<CustomElementCallbackInvocation> CustomElementCallbackInvocation::createInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, CustomElementLifecycleCallbacks::CallbackType which)
116 {
117 switch (which) {
118 case CustomElementLifecycleCallbacks::Created:
119 return adoptPtr(new CreatedInvocation(callbacks));
120
121 case CustomElementLifecycleCallbacks::Attached:
122 case CustomElementLifecycleCallbacks::Detached:
123 return adoptPtr(new AttachedDetachedInvocation(callbacks, which));
124 default:
125 ASSERT_NOT_REACHED();
126 return PassOwnPtr<CustomElementCallbackInvocation>();
127 }
128 }
129
createAttributeChangedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks,const AtomicString & name,const AtomicString & oldValue,const AtomicString & newValue)130 PassOwnPtr<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