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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 28 matching lines...) Expand all Loading... |
| 39 #include "core/dom/custom/CustomElementMicrotaskResolutionStep.h" | 39 #include "core/dom/custom/CustomElementMicrotaskResolutionStep.h" |
| 40 #include "core/dom/custom/CustomElementMicrotaskRunQueue.h" | 40 #include "core/dom/custom/CustomElementMicrotaskRunQueue.h" |
| 41 #include "core/dom/custom/CustomElementProcessingStack.h" | 41 #include "core/dom/custom/CustomElementProcessingStack.h" |
| 42 #include "core/dom/custom/CustomElementRegistrationContext.h" | 42 #include "core/dom/custom/CustomElementRegistrationContext.h" |
| 43 #include "core/dom/custom/CustomElementSyncMicrotaskQueue.h" | 43 #include "core/dom/custom/CustomElementSyncMicrotaskQueue.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 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(CustomElementScheduler) | |
| 50 | |
| 51 // FIXME: Consider moving the element's callback queue to ElementRareData. | 49 // FIXME: Consider moving the element's callback queue to ElementRareData. |
| 52 typedef WillBeHeapHashMap<RawPtrWillBeMember<Element>, OwnPtrWillBeMember<Custom
ElementCallbackQueue>> ElementCallbackQueueMap; | 50 typedef HeapHashMap<Member<Element>, Member<CustomElementCallbackQueue>> Element
CallbackQueueMap; |
| 53 | 51 |
| 54 static ElementCallbackQueueMap& callbackQueues() | 52 static ElementCallbackQueueMap& callbackQueues() |
| 55 { | 53 { |
| 56 DEFINE_STATIC_LOCAL(OwnPtrWillBePersistent<ElementCallbackQueueMap>, map, (a
doptPtrWillBeNoop(new ElementCallbackQueueMap()))); | 54 DEFINE_STATIC_LOCAL(Persistent<ElementCallbackQueueMap>, map, (new ElementCa
llbackQueueMap())); |
| 57 return *map; | 55 return *map; |
| 58 } | 56 } |
| 59 | 57 |
| 60 static CustomElementCallbackQueue& ensureCallbackQueue(PassRefPtrWillBeRawPtr<El
ement> element) | 58 static CustomElementCallbackQueue& ensureCallbackQueue(RawPtr<Element> element) |
| 61 { | 59 { |
| 62 ElementCallbackQueueMap::ValueType* it = callbackQueues().add(element.get(),
nullptr).storedValue; | 60 ElementCallbackQueueMap::ValueType* it = callbackQueues().add(element.get(),
nullptr).storedValue; |
| 63 if (!it->value) | 61 if (!it->value) |
| 64 it->value = CustomElementCallbackQueue::create(element); | 62 it->value = CustomElementCallbackQueue::create(element); |
| 65 return *it->value.get(); | 63 return *it->value.get(); |
| 66 } | 64 } |
| 67 | 65 |
| 68 // Finds or creates the callback queue for element. | 66 // Finds or creates the callback queue for element. |
| 69 static CustomElementCallbackQueue& scheduleCallbackQueue(PassRefPtrWillBeRawPtr<
Element> passElement) | 67 static CustomElementCallbackQueue& scheduleCallbackQueue(RawPtr<Element> passEle
ment) |
| 70 { | 68 { |
| 71 RefPtrWillBeRawPtr<Element> element(passElement); | 69 RawPtr<Element> element(passElement); |
| 72 | 70 |
| 73 CustomElementCallbackQueue& callbackQueue = ensureCallbackQueue(element); | 71 CustomElementCallbackQueue& callbackQueue = ensureCallbackQueue(element); |
| 74 if (callbackQueue.inCreatedCallback()) { | 72 if (callbackQueue.inCreatedCallback()) { |
| 75 // Don't move it. Authors use the createdCallback like a | 73 // Don't move it. Authors use the createdCallback like a |
| 76 // constructor. By not moving it, the createdCallback | 74 // constructor. By not moving it, the createdCallback |
| 77 // completes before any other callbacks are entered for this | 75 // completes before any other callbacks are entered for this |
| 78 // element. | 76 // element. |
| 79 return callbackQueue; | 77 return callbackQueue; |
| 80 } | 78 } |
| 81 | 79 |
| 82 if (CustomElementProcessingStack::inCallbackDeliveryScope()) { | 80 if (CustomElementProcessingStack::inCallbackDeliveryScope()) { |
| 83 // The processing stack is active. | 81 // The processing stack is active. |
| 84 CustomElementProcessingStack::instance().enqueue(&callbackQueue); | 82 CustomElementProcessingStack::instance().enqueue(&callbackQueue); |
| 85 return callbackQueue; | 83 return callbackQueue; |
| 86 } | 84 } |
| 87 | 85 |
| 88 CustomElementMicrotaskDispatcher::instance().enqueue(&callbackQueue); | 86 CustomElementMicrotaskDispatcher::instance().enqueue(&callbackQueue); |
| 89 return callbackQueue; | 87 return callbackQueue; |
| 90 } | 88 } |
| 91 | 89 |
| 92 void CustomElementScheduler::scheduleCallback(PassRefPtrWillBeRawPtr<CustomEleme
ntLifecycleCallbacks> callbacks, PassRefPtrWillBeRawPtr<Element> element, Custom
ElementLifecycleCallbacks::CallbackType type) | 90 void CustomElementScheduler::scheduleCallback(RawPtr<CustomElementLifecycleCallb
acks> callbacks, RawPtr<Element> element, CustomElementLifecycleCallbacks::Callb
ackType type) |
| 93 { | 91 { |
| 94 ASSERT(type != CustomElementLifecycleCallbacks::AttributeChangedCallback); | 92 ASSERT(type != CustomElementLifecycleCallbacks::AttributeChangedCallback); |
| 95 | 93 |
| 96 if (!callbacks->hasCallback(type)) | 94 if (!callbacks->hasCallback(type)) |
| 97 return; | 95 return; |
| 98 | 96 |
| 99 CustomElementCallbackQueue& queue = scheduleCallbackQueue(element); | 97 CustomElementCallbackQueue& queue = scheduleCallbackQueue(element); |
| 100 queue.append(CustomElementCallbackInvocation::createInvocation(callbacks, ty
pe)); | 98 queue.append(CustomElementCallbackInvocation::createInvocation(callbacks, ty
pe)); |
| 101 } | 99 } |
| 102 | 100 |
| 103 void CustomElementScheduler::scheduleAttributeChangedCallback(PassRefPtrWillBeRa
wPtr<CustomElementLifecycleCallbacks> callbacks, PassRefPtrWillBeRawPtr<Element>
element, const AtomicString& name, const AtomicString& oldValue, const AtomicSt
ring& newValue) | 101 void CustomElementScheduler::scheduleAttributeChangedCallback(RawPtr<CustomEleme
ntLifecycleCallbacks> callbacks, RawPtr<Element> element, const AtomicString& na
me, const AtomicString& oldValue, const AtomicString& newValue) |
| 104 { | 102 { |
| 105 if (!callbacks->hasCallback(CustomElementLifecycleCallbacks::AttributeChange
dCallback)) | 103 if (!callbacks->hasCallback(CustomElementLifecycleCallbacks::AttributeChange
dCallback)) |
| 106 return; | 104 return; |
| 107 | 105 |
| 108 CustomElementCallbackQueue& queue = scheduleCallbackQueue(element); | 106 CustomElementCallbackQueue& queue = scheduleCallbackQueue(element); |
| 109 queue.append(CustomElementCallbackInvocation::createAttributeChangedInvocati
on(callbacks, name, oldValue, newValue)); | 107 queue.append(CustomElementCallbackInvocation::createAttributeChangedInvocati
on(callbacks, name, oldValue, newValue)); |
| 110 } | 108 } |
| 111 | 109 |
| 112 void CustomElementScheduler::resolveOrScheduleResolution(PassRefPtrWillBeRawPtr<
CustomElementRegistrationContext> context, PassRefPtrWillBeRawPtr<Element> eleme
nt, const CustomElementDescriptor& descriptor) | 110 void CustomElementScheduler::resolveOrScheduleResolution(RawPtr<CustomElementReg
istrationContext> context, RawPtr<Element> element, const CustomElementDescripto
r& descriptor) |
| 113 { | 111 { |
| 114 if (CustomElementProcessingStack::inCallbackDeliveryScope()) { | 112 if (CustomElementProcessingStack::inCallbackDeliveryScope()) { |
| 115 context->resolve(element.get(), descriptor); | 113 context->resolve(element.get(), descriptor); |
| 116 return; | 114 return; |
| 117 } | 115 } |
| 118 | 116 |
| 119 Document& document = element->document(); | 117 Document& document = element->document(); |
| 120 OwnPtrWillBeRawPtr<CustomElementMicrotaskResolutionStep> step = CustomElemen
tMicrotaskResolutionStep::create(context, element, descriptor); | 118 RawPtr<CustomElementMicrotaskResolutionStep> step = CustomElementMicrotaskRe
solutionStep::create(context, element, descriptor); |
| 121 enqueueMicrotaskStep(document, step.release()); | 119 enqueueMicrotaskStep(document, step.release()); |
| 122 } | 120 } |
| 123 | 121 |
| 124 CustomElementMicrotaskImportStep* CustomElementScheduler::scheduleImport(HTMLImp
ortChild* import) | 122 CustomElementMicrotaskImportStep* CustomElementScheduler::scheduleImport(HTMLImp
ortChild* import) |
| 125 { | 123 { |
| 126 ASSERT(!import->hasFinishedLoading()); | 124 ASSERT(!import->hasFinishedLoading()); |
| 127 ASSERT(import->parent()); | 125 ASSERT(import->parent()); |
| 128 | 126 |
| 129 // Ownership of the new step is transferred to the parent | 127 // Ownership of the new step is transferred to the parent |
| 130 // processing step, or the base queue. | 128 // processing step, or the base queue. |
| 131 OwnPtrWillBeRawPtr<CustomElementMicrotaskImportStep> step = CustomElementMic
rotaskImportStep::create(import); | 129 RawPtr<CustomElementMicrotaskImportStep> step = CustomElementMicrotaskImport
Step::create(import); |
| 132 CustomElementMicrotaskImportStep* rawStep = step.get(); | 130 CustomElementMicrotaskImportStep* rawStep = step.get(); |
| 133 enqueueMicrotaskStep(*(import->parent()->document()), step.release(), import
->isSync()); | 131 enqueueMicrotaskStep(*(import->parent()->document()), step.release(), import
->isSync()); |
| 134 return rawStep; | 132 return rawStep; |
| 135 } | 133 } |
| 136 | 134 |
| 137 void CustomElementScheduler::enqueueMicrotaskStep(Document& document, PassOwnPtr
WillBeRawPtr<CustomElementMicrotaskStep> step, bool importIsSync) | 135 void CustomElementScheduler::enqueueMicrotaskStep(Document& document, RawPtr<Cus
tomElementMicrotaskStep> step, bool importIsSync) |
| 138 { | 136 { |
| 139 Document& master = document.importsController() ? *(document.importsControll
er()->master()) : document; | 137 Document& master = document.importsController() ? *(document.importsControll
er()->master()) : document; |
| 140 master.customElementMicrotaskRunQueue()->enqueue(document.importLoader(), st
ep, importIsSync); | 138 master.customElementMicrotaskRunQueue()->enqueue(document.importLoader(), st
ep, importIsSync); |
| 141 } | 139 } |
| 142 | 140 |
| 143 | 141 |
| 144 void CustomElementScheduler::callbackDispatcherDidFinish() | 142 void CustomElementScheduler::callbackDispatcherDidFinish() |
| 145 { | 143 { |
| 146 if (CustomElementMicrotaskDispatcher::instance().elementQueueIsEmpty()) | 144 if (CustomElementMicrotaskDispatcher::instance().elementQueueIsEmpty()) |
| 147 callbackQueues().clear(); | 145 callbackQueues().clear(); |
| 148 } | 146 } |
| 149 | 147 |
| 150 void CustomElementScheduler::microtaskDispatcherDidFinish() | 148 void CustomElementScheduler::microtaskDispatcherDidFinish() |
| 151 { | 149 { |
| 152 ASSERT(!CustomElementProcessingStack::inCallbackDeliveryScope()); | 150 ASSERT(!CustomElementProcessingStack::inCallbackDeliveryScope()); |
| 153 callbackQueues().clear(); | 151 callbackQueues().clear(); |
| 154 } | 152 } |
| 155 | 153 |
| 156 } // namespace blink | 154 } // namespace blink |
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