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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 "sky/engine/config.h" | |
| 32 #include "sky/engine/core/dom/custom/CustomElementScheduler.h" | |
| 33 | |
| 34 #include "sky/engine/core/dom/Document.h" | |
| 35 #include "sky/engine/core/dom/Element.h" | |
| 36 #include "sky/engine/core/dom/custom/CustomElementCallbackInvocation.h" | |
| 37 #include "sky/engine/core/dom/custom/CustomElementLifecycleCallbacks.h" | |
| 38 #include "sky/engine/core/dom/custom/CustomElementMicrotaskDispatcher.h" | |
| 39 #include "sky/engine/core/dom/custom/CustomElementMicrotaskImportStep.h" | |
| 40 #include "sky/engine/core/dom/custom/CustomElementMicrotaskResolutionStep.h" | |
| 41 #include "sky/engine/core/dom/custom/CustomElementMicrotaskRunQueue.h" | |
| 42 #include "sky/engine/core/dom/custom/CustomElementProcessingStack.h" | |
| 43 #include "sky/engine/core/dom/custom/CustomElementRegistrationContext.h" | |
| 44 #include "sky/engine/core/dom/custom/CustomElementSyncMicrotaskQueue.h" | |
| 45 #include "sky/engine/core/html/imports/HTMLImportChild.h" | |
| 46 #include "sky/engine/core/html/imports/HTMLImportsController.h" | |
| 47 | |
| 48 namespace blink { | |
| 49 | |
| 50 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(CustomElementScheduler) | |
| 51 | |
| 52 void CustomElementScheduler::scheduleCallback(PassRefPtr<CustomElementLifecycleC
allbacks> callbacks, PassRefPtr<Element> element, CustomElementLifecycleCallback
s::CallbackType type) | |
| 53 { | |
| 54 ASSERT(type != CustomElementLifecycleCallbacks::AttributeChangedCallback); | |
| 55 | |
| 56 if (!callbacks->hasCallback(type)) | |
| 57 return; | |
| 58 | |
| 59 CustomElementCallbackQueue& queue = instance().schedule(element); | |
| 60 queue.append(CustomElementCallbackInvocation::createInvocation(callbacks, ty
pe)); | |
| 61 } | |
| 62 | |
| 63 void CustomElementScheduler::scheduleAttributeChangedCallback(PassRefPtr<CustomE
lementLifecycleCallbacks> callbacks, PassRefPtr<Element> element, const AtomicSt
ring& name, const AtomicString& oldValue, const AtomicString& newValue) | |
| 64 { | |
| 65 if (!callbacks->hasCallback(CustomElementLifecycleCallbacks::AttributeChange
dCallback)) | |
| 66 return; | |
| 67 | |
| 68 CustomElementCallbackQueue& queue = instance().schedule(element); | |
| 69 queue.append(CustomElementCallbackInvocation::createAttributeChangedInvocati
on(callbacks, name, oldValue, newValue)); | |
| 70 } | |
| 71 | |
| 72 void CustomElementScheduler::resolveOrScheduleResolution(PassRefPtr<CustomElemen
tRegistrationContext> context, PassRefPtr<Element> element) | |
| 73 { | |
| 74 if (CustomElementProcessingStack::inCallbackDeliveryScope()) { | |
| 75 context->resolve(element.get()); | |
| 76 return; | |
| 77 } | |
| 78 | |
| 79 Document& document = element->document(); | |
| 80 OwnPtr<CustomElementMicrotaskResolutionStep> step = CustomElementMicrotaskRe
solutionStep::create(context, element); | |
| 81 enqueueMicrotaskStep(document, step.release()); | |
| 82 } | |
| 83 | |
| 84 CustomElementMicrotaskImportStep* CustomElementScheduler::scheduleImport(HTMLImp
ortChild* import) | |
| 85 { | |
| 86 ASSERT(!import->isDone()); | |
| 87 ASSERT(import->parent()); | |
| 88 | |
| 89 // Ownership of the new step is transferred to the parent | |
| 90 // processing step, or the base queue. | |
| 91 OwnPtr<CustomElementMicrotaskImportStep> step = CustomElementMicrotaskImport
Step::create(import); | |
| 92 CustomElementMicrotaskImportStep* rawStep = step.get(); | |
| 93 enqueueMicrotaskStep(*(import->parent()->document()), step.release(), import
->isSync()); | |
| 94 return rawStep; | |
| 95 } | |
| 96 | |
| 97 void CustomElementScheduler::enqueueMicrotaskStep(Document& document, PassOwnPtr
<CustomElementMicrotaskStep> step, bool importIsSync) | |
| 98 { | |
| 99 Document& master = document.importsController() ? *(document.importsControll
er()->master()) : document; | |
| 100 master.customElementMicrotaskRunQueue()->enqueue(document.importLoader(), st
ep, importIsSync); | |
| 101 } | |
| 102 | |
| 103 CustomElementScheduler& CustomElementScheduler::instance() | |
| 104 { | |
| 105 DEFINE_STATIC_LOCAL(OwnPtr<CustomElementScheduler>, instance, (adoptPtr (new
CustomElementScheduler()))); | |
| 106 return *instance; | |
| 107 } | |
| 108 | |
| 109 CustomElementCallbackQueue& CustomElementScheduler::ensureCallbackQueue(PassRefP
tr<Element> element) | |
| 110 { | |
| 111 ElementCallbackQueueMap::ValueType* it = m_elementCallbackQueueMap.add(eleme
nt.get(), nullptr).storedValue; | |
| 112 if (!it->value) | |
| 113 it->value = CustomElementCallbackQueue::create(element); | |
| 114 return *it->value.get(); | |
| 115 } | |
| 116 | |
| 117 void CustomElementScheduler::callbackDispatcherDidFinish() | |
| 118 { | |
| 119 if (CustomElementMicrotaskDispatcher::instance().elementQueueIsEmpty()) | |
| 120 instance().clearElementCallbackQueueMap(); | |
| 121 } | |
| 122 | |
| 123 void CustomElementScheduler::microtaskDispatcherDidFinish() | |
| 124 { | |
| 125 ASSERT(!CustomElementProcessingStack::inCallbackDeliveryScope()); | |
| 126 instance().clearElementCallbackQueueMap(); | |
| 127 } | |
| 128 | |
| 129 void CustomElementScheduler::clearElementCallbackQueueMap() | |
| 130 { | |
| 131 ElementCallbackQueueMap emptyMap; | |
| 132 m_elementCallbackQueueMap.swap(emptyMap); | |
| 133 } | |
| 134 | |
| 135 // Finds or creates the callback queue for element. | |
| 136 CustomElementCallbackQueue& CustomElementScheduler::schedule(PassRefPtr<Element>
passElement) | |
| 137 { | |
| 138 RefPtr<Element> element(passElement); | |
| 139 | |
| 140 CustomElementCallbackQueue& callbackQueue = ensureCallbackQueue(element); | |
| 141 if (callbackQueue.inCreatedCallback()) { | |
| 142 // Don't move it. Authors use the createdCallback like a | |
| 143 // constructor. By not moving it, the createdCallback | |
| 144 // completes before any other callbacks are entered for this | |
| 145 // element. | |
| 146 return callbackQueue; | |
| 147 } | |
| 148 | |
| 149 if (CustomElementProcessingStack::inCallbackDeliveryScope()) { | |
| 150 // The processing stack is active. | |
| 151 CustomElementProcessingStack::instance().enqueue(&callbackQueue); | |
| 152 return callbackQueue; | |
| 153 } | |
| 154 | |
| 155 CustomElementMicrotaskDispatcher::instance().enqueue(&callbackQueue); | |
| 156 return callbackQueue; | |
| 157 } | |
| 158 | |
| 159 } // namespace blink | |
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Chromium Code Reviews
Issue 950523002:
Delete sky/engine/core/dom/custom (Closed)
Base URL: git@github.com:domokit/mojo.git@master