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Side by Side Diff: third_party/WebKit/Source/core/dom/custom/CustomElementCallbackInvocation.cpp

Issue 1914923002: Rename all existing custom element classes as V0 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: CustomElementV0 -> V0CustomElement Created 4 years, 7 months ago
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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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