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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 "core/dom/custom/CustomElementCallbackInvocation.h" | |
32 | |
33 #include "core/dom/Document.h" | |
34 #include "core/dom/Element.h" | |
35 #include "core/dom/custom/CustomElementScheduler.h" | |
36 | |
37 namespace blink { | |
38 | |
39 class AttachedDetachedInvocation final : public CustomElementCallbackInvocation
{ | |
40 public: | |
41 AttachedDetachedInvocation(CustomElementLifecycleCallbacks*, CustomElementLi
fecycleCallbacks::CallbackType which); | |
42 | |
43 private: | |
44 void dispatch(Element*) override; | |
45 | |
46 CustomElementLifecycleCallbacks::CallbackType m_which; | |
47 }; | |
48 | |
49 AttachedDetachedInvocation::AttachedDetachedInvocation(CustomElementLifecycleCal
lbacks* callbacks, CustomElementLifecycleCallbacks::CallbackType which) | |
50 : CustomElementCallbackInvocation(callbacks) | |
51 , m_which(which) | |
52 { | |
53 DCHECK(m_which == CustomElementLifecycleCallbacks::AttachedCallback || m_whi
ch == CustomElementLifecycleCallbacks::DetachedCallback); | |
54 } | |
55 | |
56 void AttachedDetachedInvocation::dispatch(Element* element) | |
57 { | |
58 switch (m_which) { | |
59 case CustomElementLifecycleCallbacks::AttachedCallback: | |
60 callbacks()->attached(element); | |
61 break; | |
62 case CustomElementLifecycleCallbacks::DetachedCallback: | |
63 callbacks()->detached(element); | |
64 break; | |
65 default: | |
66 ASSERT_NOT_REACHED(); | |
67 } | |
68 } | |
69 | |
70 class AttributeChangedInvocation final : public CustomElementCallbackInvocation
{ | |
71 public: | |
72 AttributeChangedInvocation(CustomElementLifecycleCallbacks*, const AtomicStr
ing& name, const AtomicString& oldValue, const AtomicString& newValue); | |
73 | |
74 private: | |
75 void dispatch(Element*) override; | |
76 | |
77 AtomicString m_name; | |
78 AtomicString m_oldValue; | |
79 AtomicString m_newValue; | |
80 }; | |
81 | |
82 AttributeChangedInvocation::AttributeChangedInvocation(CustomElementLifecycleCal
lbacks* callbacks, const AtomicString& name, const AtomicString& oldValue, const
AtomicString& newValue) | |
83 : CustomElementCallbackInvocation(callbacks) | |
84 , m_name(name) | |
85 , m_oldValue(oldValue) | |
86 , m_newValue(newValue) | |
87 { | |
88 } | |
89 | |
90 void AttributeChangedInvocation::dispatch(Element* element) | |
91 { | |
92 callbacks()->attributeChanged(element, m_name, m_oldValue, m_newValue); | |
93 } | |
94 | |
95 class CreatedInvocation final : public CustomElementCallbackInvocation { | |
96 public: | |
97 explicit CreatedInvocation(CustomElementLifecycleCallbacks* callbacks) | |
98 : CustomElementCallbackInvocation(callbacks) | |
99 { | |
100 } | |
101 | |
102 private: | |
103 void dispatch(Element*) override; | |
104 bool isCreatedCallback() const override { return true; } | |
105 }; | |
106 | |
107 void CreatedInvocation::dispatch(Element* element) | |
108 { | |
109 if (element->inShadowIncludingDocument() && element->document().domWindow()) | |
110 CustomElementScheduler::scheduleCallback(callbacks(), element, CustomEle
mentLifecycleCallbacks::AttachedCallback); | |
111 callbacks()->created(element); | |
112 } | |
113 | |
114 CustomElementCallbackInvocation* CustomElementCallbackInvocation::createInvocati
on(CustomElementLifecycleCallbacks* callbacks, CustomElementLifecycleCallbacks::
CallbackType which) | |
115 { | |
116 switch (which) { | |
117 case CustomElementLifecycleCallbacks::CreatedCallback: | |
118 return new CreatedInvocation(callbacks); | |
119 | |
120 case CustomElementLifecycleCallbacks::AttachedCallback: | |
121 case CustomElementLifecycleCallbacks::DetachedCallback: | |
122 return new AttachedDetachedInvocation(callbacks, which); | |
123 default: | |
124 ASSERT_NOT_REACHED(); | |
125 return nullptr; | |
126 } | |
127 } | |
128 | |
129 CustomElementCallbackInvocation* CustomElementCallbackInvocation::createAttribut
eChangedInvocation(CustomElementLifecycleCallbacks* callbacks, const AtomicStrin
g& name, const AtomicString& oldValue, const AtomicString& newValue) | |
130 { | |
131 return new AttributeChangedInvocation(callbacks, name, oldValue, newValue); | |
132 } | |
133 | |
134 DEFINE_TRACE(CustomElementCallbackInvocation) | |
135 { | |
136 visitor->trace(m_callbacks); | |
137 CustomElementProcessingStep::trace(visitor); | |
138 } | |
139 | |
140 } // namespace blink | |
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