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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 "config.h" | |
| 32 #include "core/dom/CustomElementCallbackScheduler.h" | |
| 33 | |
| 34 #include "core/dom/CustomElementCallbackDispatcher.h" | |
| 35 #include "core/dom/CustomElementCallbackQueue.h" | |
| 36 #include "core/dom/CustomElementLifecycleCallbacks.h" | |
| 37 #include "core/dom/Element.h" | |
| 38 | |
| 39 namespace WebCore { | |
| 40 | |
| 41 void CustomElementCallbackScheduler::scheduleAttributeChangedCallback(PassRefPtr
<CustomElementLifecycleCallbacks> callbacks, PassRefPtr<Element> element, const
AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue) | |
| 42 { | |
| 43 if (!callbacks->hasAttributeChangedCallback()) | |
| 44 return; | |
| 45 | |
| 46 CustomElementCallbackQueue* queue = instance().schedule(element); | |
| 47 queue->append(CustomElementCallbackInvocation::createAttributeChangedInvocat
ion(callbacks, name, oldValue, newValue)); | |
| 48 } | |
| 49 | |
| 50 void CustomElementCallbackScheduler::scheduleCreatedCallback(PassRefPtr<CustomEl
ementLifecycleCallbacks> callbacks, PassRefPtr<Element> element) | |
| 51 { | |
| 52 if (!callbacks->hasCreatedCallback()) | |
| 53 return; | |
| 54 | |
| 55 CustomElementCallbackQueue* queue = instance().scheduleInCurrentElementQueue
(element); | |
| 56 queue->append(CustomElementCallbackInvocation::createInvocation(callbacks, C
ustomElementLifecycleCallbacks::Created)); | |
| 57 } | |
| 58 | |
| 59 void CustomElementCallbackScheduler::scheduleEnteredViewCallback(PassRefPtr<Cust
omElementLifecycleCallbacks> callbacks, PassRefPtr<Element> element) | |
| 60 { | |
| 61 if (!callbacks->hasEnteredViewCallback()) | |
| 62 return; | |
| 63 | |
| 64 CustomElementCallbackQueue* queue = instance().schedule(element); | |
| 65 queue->append(CustomElementCallbackInvocation::createInvocation(callbacks, C
ustomElementLifecycleCallbacks::EnteredView)); | |
| 66 } | |
| 67 | |
| 68 void CustomElementCallbackScheduler::scheduleLeftViewCallback(PassRefPtr<CustomE
lementLifecycleCallbacks> callbacks, PassRefPtr<Element> element) | |
| 69 { | |
| 70 if (!callbacks->hasLeftViewCallback()) | |
| 71 return; | |
| 72 | |
| 73 CustomElementCallbackQueue* queue = instance().schedule(element); | |
| 74 queue->append(CustomElementCallbackInvocation::createInvocation(callbacks, C
ustomElementLifecycleCallbacks::LeftView)); | |
| 75 } | |
| 76 | |
| 77 CustomElementCallbackScheduler& CustomElementCallbackScheduler::instance() | |
| 78 { | |
| 79 DEFINE_STATIC_LOCAL(CustomElementCallbackScheduler, instance, ()); | |
| 80 return instance; | |
| 81 } | |
| 82 | |
| 83 CustomElementCallbackQueue* CustomElementCallbackScheduler::ensureCallbackQueue(
PassRefPtr<Element> element) | |
| 84 { | |
| 85 Element* key = element.get(); | |
| 86 ElementCallbackQueueMap::iterator it = m_elementCallbackQueueMap.find(key); | |
| 87 if (it == m_elementCallbackQueueMap.end()) | |
| 88 it = m_elementCallbackQueueMap.add(key, CustomElementCallbackQueue::crea
te(element)).iterator; | |
| 89 return it->value.get(); | |
| 90 } | |
| 91 | |
| 92 void CustomElementCallbackScheduler::clearElementCallbackQueueMap() | |
| 93 { | |
| 94 ElementCallbackQueueMap emptyMap; | |
| 95 instance().m_elementCallbackQueueMap.swap(emptyMap); | |
| 96 } | |
| 97 | |
| 98 // Finds or creates the callback queue for element. If the | |
| 99 // createdCallback has not finished running, the callback queue is not | |
| 100 // moved to the top-of-stack. Otherwise like | |
| 101 // scheduleInCurrentElementQueue. | |
| 102 CustomElementCallbackQueue* CustomElementCallbackScheduler::schedule(PassRefPtr<
Element> element) | |
| 103 { | |
| 104 CustomElementCallbackQueue* callbackQueue = ensureCallbackQueue(element); | |
| 105 if (!callbackQueue->inCreatedCallback()) | |
| 106 CustomElementCallbackDispatcher::instance().enqueue(callbackQueue); | |
| 107 return callbackQueue; | |
| 108 } | |
| 109 | |
| 110 // Finds or creates the callback queue for element. If the element's | |
| 111 // callback queue is scheduled in an earlier processing stack frame, | |
| 112 // its owner is set to the element queue on the top of the processing | |
| 113 // stack. Because callback queues are processed exhaustively, this | |
| 114 // effectively moves the callback queue to the top of the stack. | |
| 115 CustomElementCallbackQueue* CustomElementCallbackScheduler::scheduleInCurrentEle
mentQueue(PassRefPtr<Element> element) | |
| 116 { | |
| 117 CustomElementCallbackQueue* callbackQueue = ensureCallbackQueue(element); | |
| 118 CustomElementCallbackDispatcher::instance().enqueue(callbackQueue); | |
| 119 return callbackQueue; | |
| 120 } | |
| 121 | |
| 122 } // namespace WebCore | |
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Chromium Code Reviews
Issue 25777002:
Move custom element code to core/dom/custom/ (Closed)
Base URL: svn://svn.chromium.org/blink/trunk