109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)/* 209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * Copyright (C) 2013 Google Inc. All rights reserved. 309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * 409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * modification, are permitted provided that the following conditions 609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * are met: 709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * 809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 1009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 1109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * notice, this list of conditions and the following disclaimer 1209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * in the documentation and/or other materials provided with the 1309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * distribution. 1409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * 3. Neither the name of Google Inc. nor the names of its contributors 1509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * may be used to endorse or promote products derived from this 1609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * software without specific prior written permission. 1709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * 1809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) */ 3009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 3109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "config.h" 3209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "core/dom/custom/CustomElementScheduler.h" 3309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 3409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "core/dom/Document.h" 3509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "core/dom/Element.h" 3609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "core/dom/custom/CustomElementCallbackInvocation.h" 3709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "core/dom/custom/CustomElementLifecycleCallbacks.h" 3809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "core/dom/custom/CustomElementMicrotaskDispatcher.h" 3909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "core/dom/custom/CustomElementMicrotaskImportStep.h" 4009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "core/dom/custom/CustomElementMicrotaskResolutionStep.h" 41197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch#include "core/dom/custom/CustomElementMicrotaskRunQueue.h" 427242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci#include "core/dom/custom/CustomElementProcessingStack.h" 4309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "core/dom/custom/CustomElementRegistrationContext.h" 44197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch#include "core/dom/custom/CustomElementSyncMicrotaskQueue.h" 45d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)#include "core/html/imports/HTMLImportChild.h" 46197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch#include "core/html/imports/HTMLImportsController.h" 4709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 48c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 4909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 50d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(CustomElementScheduler) 5109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 527242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// FIXME: Consider moving the element's callback queue to ElementRareData. 537242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccitypedef WillBeHeapHashMap<RawPtrWillBeMember<Element>, OwnPtrWillBeMember<CustomElementCallbackQueue> > ElementCallbackQueueMap; 547242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 557242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccistatic ElementCallbackQueueMap& callbackQueues() 567242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci{ 577242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci DEFINE_STATIC_LOCAL(OwnPtrWillBePersistent<ElementCallbackQueueMap>, map, (adoptPtrWillBeNoop(new ElementCallbackQueueMap()))); 587242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci return *map; 597242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci} 607242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 617242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccistatic CustomElementCallbackQueue& ensureCallbackQueue(PassRefPtrWillBeRawPtr<Element> element) 627242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci{ 637242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ElementCallbackQueueMap::ValueType* it = callbackQueues().add(element.get(), nullptr).storedValue; 647242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci if (!it->value) 657242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci it->value = CustomElementCallbackQueue::create(element); 667242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci return *it->value.get(); 677242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci} 687242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 697242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// Finds or creates the callback queue for element. 707242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccistatic CustomElementCallbackQueue& scheduleCallbackQueue(PassRefPtrWillBeRawPtr<Element> passElement) 717242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci{ 727242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci RefPtrWillBeRawPtr<Element> element(passElement); 737242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 747242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci CustomElementCallbackQueue& callbackQueue = ensureCallbackQueue(element); 757242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci if (callbackQueue.inCreatedCallback()) { 767242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci // Don't move it. Authors use the createdCallback like a 777242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci // constructor. By not moving it, the createdCallback 787242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci // completes before any other callbacks are entered for this 797242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci // element. 807242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci return callbackQueue; 817242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci } 827242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 837242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci if (CustomElementProcessingStack::inCallbackDeliveryScope()) { 847242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci // The processing stack is active. 857242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci CustomElementProcessingStack::instance().enqueue(&callbackQueue); 867242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci return callbackQueue; 877242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci } 887242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 897242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci CustomElementMicrotaskDispatcher::instance().enqueue(&callbackQueue); 907242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci return callbackQueue; 917242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci} 927242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 93d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)void CustomElementScheduler::scheduleCallback(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, PassRefPtrWillBeRawPtr<Element> element, CustomElementLifecycleCallbacks::CallbackType type) 9409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles){ 957242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ASSERT(type != CustomElementLifecycleCallbacks::AttributeChangedCallback); 9609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 97aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch if (!callbacks->hasCallback(type)) 9809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) return; 9909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 1007242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci CustomElementCallbackQueue& queue = scheduleCallbackQueue(element); 101aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch queue.append(CustomElementCallbackInvocation::createInvocation(callbacks, type)); 10209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)} 10309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 104d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)void CustomElementScheduler::scheduleAttributeChangedCallback(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, PassRefPtrWillBeRawPtr<Element> element, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue) 10509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles){ 1067242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci if (!callbacks->hasCallback(CustomElementLifecycleCallbacks::AttributeChangedCallback)) 10709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) return; 10809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 1097242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci CustomElementCallbackQueue& queue = scheduleCallbackQueue(element); 110aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch queue.append(CustomElementCallbackInvocation::createAttributeChangedInvocation(callbacks, name, oldValue, newValue)); 11109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)} 11209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 113d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)void CustomElementScheduler::resolveOrScheduleResolution(PassRefPtrWillBeRawPtr<CustomElementRegistrationContext> context, PassRefPtrWillBeRawPtr<Element> element, const CustomElementDescriptor& descriptor) 11409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles){ 1157242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci if (CustomElementProcessingStack::inCallbackDeliveryScope()) { 11609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) context->resolve(element.get(), descriptor); 11709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) return; 11809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) } 11909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 120197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch Document& document = element->document(); 121d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) OwnPtrWillBeRawPtr<CustomElementMicrotaskResolutionStep> step = CustomElementMicrotaskResolutionStep::create(context, element, descriptor); 122197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch enqueueMicrotaskStep(document, step.release()); 12309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)} 12409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 12509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)CustomElementMicrotaskImportStep* CustomElementScheduler::scheduleImport(HTMLImportChild* import) 12609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles){ 12709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) ASSERT(!import->isDone()); 12809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) ASSERT(import->parent()); 12909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 13009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // Ownership of the new step is transferred to the parent 13109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // processing step, or the base queue. 132f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) OwnPtrWillBeRawPtr<CustomElementMicrotaskImportStep> step = CustomElementMicrotaskImportStep::create(import); 133f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) CustomElementMicrotaskImportStep* rawStep = step.get(); 134197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch enqueueMicrotaskStep(*(import->parent()->document()), step.release(), import->isSync()); 13509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) return rawStep; 13609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)} 13709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 138197021e6b966cfb06891637935ef33fff06433d1Ben Murdochvoid CustomElementScheduler::enqueueMicrotaskStep(Document& document, PassOwnPtrWillBeRawPtr<CustomElementMicrotaskStep> step, bool importIsSync) 139197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch{ 140197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch Document& master = document.importsController() ? *(document.importsController()->master()) : document; 141197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch master.customElementMicrotaskRunQueue()->enqueue(document.importLoader(), step, importIsSync); 142197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch} 143197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch 14409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 14509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)void CustomElementScheduler::callbackDispatcherDidFinish() 14609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles){ 14709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) if (CustomElementMicrotaskDispatcher::instance().elementQueueIsEmpty()) 1487242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci callbackQueues().clear(); 14909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)} 15009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 15109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)void CustomElementScheduler::microtaskDispatcherDidFinish() 15209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles){ 1537242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ASSERT(!CustomElementProcessingStack::inCallbackDeliveryScope()); 1547242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci callbackQueues().clear(); 155d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)} 156d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) 157c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 158