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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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