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
37 namespace WebCore {
38
39 class CreatedInvocation : public CustomElementCallbackInvocation {
40 public:
CreatedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks)41 CreatedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks)
42 : CustomElementCallbackInvocation(callbacks)
43 {
44 }
45
46 private:
47 virtual void dispatch(Element*) OVERRIDE;
isCreated() const48 virtual bool isCreated() const OVERRIDE { return true; }
49 };
50
dispatch(Element * element)51 void CreatedInvocation::dispatch(Element* element)
52 {
53 if (element->inDocument() && element->document().domWindow())
54 CustomElementCallbackScheduler::scheduleAttachedCallback(callbacks(), element);
55 callbacks()->created(element);
56 }
57
58 class AttachedDetachedInvocation : public CustomElementCallbackInvocation {
59 public:
60 AttachedDetachedInvocation(PassRefPtr<CustomElementLifecycleCallbacks>, CustomElementLifecycleCallbacks::CallbackType which);
61
62 private:
63 virtual void dispatch(Element*) OVERRIDE;
64
65 CustomElementLifecycleCallbacks::CallbackType m_which;
66 };
67
AttachedDetachedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks,CustomElementLifecycleCallbacks::CallbackType which)68 AttachedDetachedInvocation::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
dispatch(Element * element)75 void 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
89 class AttributeChangedInvocation : public CustomElementCallbackInvocation {
90 public:
91 AttributeChangedInvocation(PassRefPtr<CustomElementLifecycleCallbacks>, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue);
92
93 private:
94 virtual void dispatch(Element*) OVERRIDE;
95
96 AtomicString m_name;
97 AtomicString m_oldValue;
98 AtomicString m_newValue;
99 };
100
AttributeChangedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks,const AtomicString & name,const AtomicString & oldValue,const AtomicString & newValue)101 AttributeChangedInvocation::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
dispatch(Element * element)109 void AttributeChangedInvocation::dispatch(Element* element)
110 {
111 callbacks()->attributeChanged(element, m_name, m_oldValue, m_newValue);
112 }
113
createInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks,CustomElementLifecycleCallbacks::CallbackType which)114 PassOwnPtr<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
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