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| 1 /* | 1 /* |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * | 7 * |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
| (...skipping 10 matching lines...) Expand all Loading... |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ | 29 */ |
| 30 | 30 |
| 31 #include "core/dom/custom/CustomElementScheduler.h" | 31 #include "core/dom/custom/V0CustomElementScheduler.h" |
| 32 | 32 |
| 33 #include "core/dom/Document.h" | 33 #include "core/dom/Document.h" |
| 34 #include "core/dom/Element.h" | 34 #include "core/dom/Element.h" |
| 35 #include "core/dom/custom/CustomElementCallbackInvocation.h" | 35 #include "core/dom/custom/V0CustomElementCallbackInvocation.h" |
| 36 #include "core/dom/custom/CustomElementLifecycleCallbacks.h" | 36 #include "core/dom/custom/V0CustomElementLifecycleCallbacks.h" |
| 37 #include "core/dom/custom/CustomElementMicrotaskDispatcher.h" | 37 #include "core/dom/custom/V0CustomElementMicrotaskDispatcher.h" |
| 38 #include "core/dom/custom/CustomElementMicrotaskImportStep.h" | 38 #include "core/dom/custom/V0CustomElementMicrotaskImportStep.h" |
| 39 #include "core/dom/custom/CustomElementMicrotaskResolutionStep.h" | 39 #include "core/dom/custom/V0CustomElementMicrotaskResolutionStep.h" |
| 40 #include "core/dom/custom/CustomElementMicrotaskRunQueue.h" | 40 #include "core/dom/custom/V0CustomElementMicrotaskRunQueue.h" |
| 41 #include "core/dom/custom/CustomElementProcessingStack.h" | 41 #include "core/dom/custom/V0CustomElementProcessingStack.h" |
| 42 #include "core/dom/custom/CustomElementRegistrationContext.h" | 42 #include "core/dom/custom/V0CustomElementRegistrationContext.h" |
| 43 #include "core/dom/custom/CustomElementSyncMicrotaskQueue.h" | 43 #include "core/dom/custom/V0CustomElementSyncMicrotaskQueue.h" |
| 44 #include "core/html/imports/HTMLImportChild.h" | 44 #include "core/html/imports/HTMLImportChild.h" |
| 45 #include "core/html/imports/HTMLImportsController.h" | 45 #include "core/html/imports/HTMLImportsController.h" |
| 46 | 46 |
| 47 namespace blink { | 47 namespace blink { |
| 48 | 48 |
| 49 // FIXME: Consider moving the element's callback queue to ElementRareData. | 49 // FIXME: Consider moving the element's callback queue to ElementRareData. |
| 50 typedef HeapHashMap<Member<Element>, Member<CustomElementCallbackQueue>> Element
CallbackQueueMap; | 50 typedef HeapHashMap<Member<Element>, Member<V0CustomElementCallbackQueue>> Eleme
ntCallbackQueueMap; |
| 51 | 51 |
| 52 static ElementCallbackQueueMap& callbackQueues() | 52 static ElementCallbackQueueMap& callbackQueues() |
| 53 { | 53 { |
| 54 DEFINE_STATIC_LOCAL(ElementCallbackQueueMap, map, (new ElementCallbackQueueM
ap)); | 54 DEFINE_STATIC_LOCAL(ElementCallbackQueueMap, map, (new ElementCallbackQueueM
ap)); |
| 55 return map; | 55 return map; |
| 56 } | 56 } |
| 57 | 57 |
| 58 static CustomElementCallbackQueue& ensureCallbackQueue(Element* element) | 58 static V0CustomElementCallbackQueue& ensureCallbackQueue(Element* element) |
| 59 { | 59 { |
| 60 ElementCallbackQueueMap::ValueType* it = callbackQueues().add(element, nullp
tr).storedValue; | 60 ElementCallbackQueueMap::ValueType* it = callbackQueues().add(element, nullp
tr).storedValue; |
| 61 if (!it->value) | 61 if (!it->value) |
| 62 it->value = CustomElementCallbackQueue::create(element); | 62 it->value = V0CustomElementCallbackQueue::create(element); |
| 63 return *it->value.get(); | 63 return *it->value.get(); |
| 64 } | 64 } |
| 65 | 65 |
| 66 // Finds or creates the callback queue for element. | 66 // Finds or creates the callback queue for element. |
| 67 static CustomElementCallbackQueue& scheduleCallbackQueue(Element* element) | 67 static V0CustomElementCallbackQueue& scheduleCallbackQueue(Element* element) |
| 68 { | 68 { |
| 69 CustomElementCallbackQueue& callbackQueue = ensureCallbackQueue(element); | 69 V0CustomElementCallbackQueue& callbackQueue = ensureCallbackQueue(element); |
| 70 if (callbackQueue.inCreatedCallback()) { | 70 if (callbackQueue.inCreatedCallback()) { |
| 71 // Don't move it. Authors use the createdCallback like a | 71 // Don't move it. Authors use the createdCallback like a |
| 72 // constructor. By not moving it, the createdCallback | 72 // constructor. By not moving it, the createdCallback |
| 73 // completes before any other callbacks are entered for this | 73 // completes before any other callbacks are entered for this |
| 74 // element. | 74 // element. |
| 75 return callbackQueue; | 75 return callbackQueue; |
| 76 } | 76 } |
| 77 | 77 |
| 78 if (CustomElementProcessingStack::inCallbackDeliveryScope()) { | 78 if (V0CustomElementProcessingStack::inCallbackDeliveryScope()) { |
| 79 // The processing stack is active. | 79 // The processing stack is active. |
| 80 CustomElementProcessingStack::instance().enqueue(&callbackQueue); | 80 V0CustomElementProcessingStack::instance().enqueue(&callbackQueue); |
| 81 return callbackQueue; | 81 return callbackQueue; |
| 82 } | 82 } |
| 83 | 83 |
| 84 CustomElementMicrotaskDispatcher::instance().enqueue(&callbackQueue); | 84 V0CustomElementMicrotaskDispatcher::instance().enqueue(&callbackQueue); |
| 85 return callbackQueue; | 85 return callbackQueue; |
| 86 } | 86 } |
| 87 | 87 |
| 88 void CustomElementScheduler::scheduleCallback(CustomElementLifecycleCallbacks* c
allbacks, Element* element, CustomElementLifecycleCallbacks::CallbackType type) | 88 void V0CustomElementScheduler::scheduleCallback(V0CustomElementLifecycleCallback
s* callbacks, Element* element, V0CustomElementLifecycleCallbacks::CallbackType
type) |
| 89 { | 89 { |
| 90 DCHECK(type != CustomElementLifecycleCallbacks::AttributeChangedCallback); | 90 DCHECK(type != V0CustomElementLifecycleCallbacks::AttributeChangedCallback); |
| 91 | 91 |
| 92 if (!callbacks->hasCallback(type)) | 92 if (!callbacks->hasCallback(type)) |
| 93 return; | 93 return; |
| 94 | 94 |
| 95 CustomElementCallbackQueue& queue = scheduleCallbackQueue(element); | 95 V0CustomElementCallbackQueue& queue = scheduleCallbackQueue(element); |
| 96 queue.append(CustomElementCallbackInvocation::createInvocation(callbacks, ty
pe)); | 96 queue.append(V0CustomElementCallbackInvocation::createInvocation(callbacks,
type)); |
| 97 } | 97 } |
| 98 | 98 |
| 99 void CustomElementScheduler::scheduleAttributeChangedCallback(CustomElementLifec
ycleCallbacks* callbacks, Element* element, const AtomicString& name, const Atom
icString& oldValue, const AtomicString& newValue) | 99 void V0CustomElementScheduler::scheduleAttributeChangedCallback(V0CustomElementL
ifecycleCallbacks* callbacks, Element* element, const AtomicString& name, const
AtomicString& oldValue, const AtomicString& newValue) |
| 100 { | 100 { |
| 101 if (!callbacks->hasCallback(CustomElementLifecycleCallbacks::AttributeChange
dCallback)) | 101 if (!callbacks->hasCallback(V0CustomElementLifecycleCallbacks::AttributeChan
gedCallback)) |
| 102 return; | 102 return; |
| 103 | 103 |
| 104 CustomElementCallbackQueue& queue = scheduleCallbackQueue(element); | 104 V0CustomElementCallbackQueue& queue = scheduleCallbackQueue(element); |
| 105 queue.append(CustomElementCallbackInvocation::createAttributeChangedInvocati
on(callbacks, name, oldValue, newValue)); | 105 queue.append(V0CustomElementCallbackInvocation::createAttributeChangedInvoca
tion(callbacks, name, oldValue, newValue)); |
| 106 } | 106 } |
| 107 | 107 |
| 108 void CustomElementScheduler::resolveOrScheduleResolution(CustomElementRegistrati
onContext* context, Element* element, const CustomElementDescriptor& descriptor) | 108 void V0CustomElementScheduler::resolveOrScheduleResolution(V0CustomElementRegist
rationContext* context, Element* element, const V0CustomElementDescriptor& descr
iptor) |
| 109 { | 109 { |
| 110 if (CustomElementProcessingStack::inCallbackDeliveryScope()) { | 110 if (V0CustomElementProcessingStack::inCallbackDeliveryScope()) { |
| 111 context->resolve(element, descriptor); | 111 context->resolve(element, descriptor); |
| 112 return; | 112 return; |
| 113 } | 113 } |
| 114 | 114 |
| 115 Document& document = element->document(); | 115 Document& document = element->document(); |
| 116 CustomElementMicrotaskResolutionStep* step = CustomElementMicrotaskResolutio
nStep::create(context, element, descriptor); | 116 V0CustomElementMicrotaskResolutionStep* step = V0CustomElementMicrotaskResol
utionStep::create(context, element, descriptor); |
| 117 enqueueMicrotaskStep(document, step); | 117 enqueueMicrotaskStep(document, step); |
| 118 } | 118 } |
| 119 | 119 |
| 120 CustomElementMicrotaskImportStep* CustomElementScheduler::scheduleImport(HTMLImp
ortChild* import) | 120 V0CustomElementMicrotaskImportStep* V0CustomElementScheduler::scheduleImport(HTM
LImportChild* import) |
| 121 { | 121 { |
| 122 DCHECK(!import->hasFinishedLoading()); | 122 DCHECK(!import->hasFinishedLoading()); |
| 123 DCHECK(import->parent()); | 123 DCHECK(import->parent()); |
| 124 | 124 |
| 125 // Ownership of the new step is transferred to the parent | 125 // Ownership of the new step is transferred to the parent |
| 126 // processing step, or the base queue. | 126 // processing step, or the base queue. |
| 127 CustomElementMicrotaskImportStep* step = CustomElementMicrotaskImportStep::c
reate(import); | 127 V0CustomElementMicrotaskImportStep* step = V0CustomElementMicrotaskImportSte
p::create(import); |
| 128 CustomElementMicrotaskImportStep* rawStep = step; | 128 V0CustomElementMicrotaskImportStep* rawStep = step; |
| 129 enqueueMicrotaskStep(*(import->parent()->document()), step, import->isSync()
); | 129 enqueueMicrotaskStep(*(import->parent()->document()), step, import->isSync()
); |
| 130 return rawStep; | 130 return rawStep; |
| 131 } | 131 } |
| 132 | 132 |
| 133 void CustomElementScheduler::enqueueMicrotaskStep(Document& document, CustomElem
entMicrotaskStep* step, bool importIsSync) | 133 void V0CustomElementScheduler::enqueueMicrotaskStep(Document& document, V0Custom
ElementMicrotaskStep* step, bool importIsSync) |
| 134 { | 134 { |
| 135 Document& master = document.importsController() ? *(document.importsControll
er()->master()) : document; | 135 Document& master = document.importsController() ? *(document.importsControll
er()->master()) : document; |
| 136 master.customElementMicrotaskRunQueue()->enqueue(document.importLoader(), st
ep, importIsSync); | 136 master.customElementMicrotaskRunQueue()->enqueue(document.importLoader(), st
ep, importIsSync); |
| 137 } | 137 } |
| 138 | 138 |
| 139 | 139 |
| 140 void CustomElementScheduler::callbackDispatcherDidFinish() | 140 void V0CustomElementScheduler::callbackDispatcherDidFinish() |
| 141 { | 141 { |
| 142 if (CustomElementMicrotaskDispatcher::instance().elementQueueIsEmpty()) | 142 if (V0CustomElementMicrotaskDispatcher::instance().elementQueueIsEmpty()) |
| 143 callbackQueues().clear(); | 143 callbackQueues().clear(); |
| 144 } | 144 } |
| 145 | 145 |
| 146 void CustomElementScheduler::microtaskDispatcherDidFinish() | 146 void V0CustomElementScheduler::microtaskDispatcherDidFinish() |
| 147 { | 147 { |
| 148 DCHECK(!CustomElementProcessingStack::inCallbackDeliveryScope()); | 148 DCHECK(!V0CustomElementProcessingStack::inCallbackDeliveryScope()); |
| 149 callbackQueues().clear(); | 149 callbackQueues().clear(); |
| 150 } | 150 } |
| 151 | 151 |
| 152 } // namespace blink | 152 } // namespace blink |
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