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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/CustomElementProcessingStack.h" | 31 #include "core/dom/custom/V0CustomElementProcessingStack.h" |
| 32 | 32 |
| 33 #include "core/dom/custom/CustomElementCallbackQueue.h" | 33 #include "core/dom/custom/V0CustomElementCallbackQueue.h" |
| 34 #include "core/dom/custom/CustomElementScheduler.h" | 34 #include "core/dom/custom/V0CustomElementScheduler.h" |
| 35 | 35 |
| 36 namespace blink { | 36 namespace blink { |
| 37 | 37 |
| 38 size_t CustomElementProcessingStack::s_elementQueueStart = 0; | 38 size_t V0CustomElementProcessingStack::s_elementQueueStart = 0; |
| 39 | 39 |
| 40 // The base of the stack has a null sentinel value. | 40 // The base of the stack has a null sentinel value. |
| 41 size_t CustomElementProcessingStack::s_elementQueueEnd = kNumSentinels; | 41 size_t V0CustomElementProcessingStack::s_elementQueueEnd = kNumSentinels; |
| 42 | 42 |
| 43 CustomElementProcessingStack& CustomElementProcessingStack::instance() | 43 V0CustomElementProcessingStack& V0CustomElementProcessingStack::instance() |
| 44 { | 44 { |
| 45 DEFINE_STATIC_LOCAL(CustomElementProcessingStack, instance, (new CustomEleme
ntProcessingStack)); | 45 DEFINE_STATIC_LOCAL(V0CustomElementProcessingStack, instance, (new V0CustomE
lementProcessingStack)); |
| 46 return instance; | 46 return instance; |
| 47 } | 47 } |
| 48 | 48 |
| 49 // Dispatches callbacks when popping the processing stack. | 49 // Dispatches callbacks when popping the processing stack. |
| 50 void CustomElementProcessingStack::processElementQueueAndPop() | 50 void V0CustomElementProcessingStack::processElementQueueAndPop() |
| 51 { | 51 { |
| 52 instance().processElementQueueAndPop(s_elementQueueStart, s_elementQueueEnd)
; | 52 instance().processElementQueueAndPop(s_elementQueueStart, s_elementQueueEnd)
; |
| 53 } | 53 } |
| 54 | 54 |
| 55 void CustomElementProcessingStack::processElementQueueAndPop(size_t start, size_
t end) | 55 void V0CustomElementProcessingStack::processElementQueueAndPop(size_t start, siz
e_t end) |
| 56 { | 56 { |
| 57 DCHECK(isMainThread()); | 57 DCHECK(isMainThread()); |
| 58 CustomElementCallbackQueue::ElementQueueId thisQueue = currentElementQueue()
; | 58 V0CustomElementCallbackQueue::ElementQueueId thisQueue = currentElementQueue
(); |
| 59 | 59 |
| 60 for (size_t i = start; i < end; ++i) { | 60 for (size_t i = start; i < end; ++i) { |
| 61 { | 61 { |
| 62 // The created callback may schedule entered document | 62 // The created callback may schedule entered document |
| 63 // callbacks. | 63 // callbacks. |
| 64 CallbackDeliveryScope deliveryScope; | 64 CallbackDeliveryScope deliveryScope; |
| 65 m_flattenedProcessingStack[i]->processInElementQueue(thisQueue); | 65 m_flattenedProcessingStack[i]->processInElementQueue(thisQueue); |
| 66 } | 66 } |
| 67 | 67 |
| 68 DCHECK_EQ(start, s_elementQueueStart); | 68 DCHECK_EQ(start, s_elementQueueStart); |
| 69 DCHECK_EQ(end, s_elementQueueEnd); | 69 DCHECK_EQ(end, s_elementQueueEnd); |
| 70 } | 70 } |
| 71 | 71 |
| 72 // Pop the element queue from the processing stack | 72 // Pop the element queue from the processing stack |
| 73 m_flattenedProcessingStack.resize(start); | 73 m_flattenedProcessingStack.resize(start); |
| 74 s_elementQueueEnd = start; | 74 s_elementQueueEnd = start; |
| 75 | 75 |
| 76 if (s_elementQueueStart == kNumSentinels) | 76 if (s_elementQueueStart == kNumSentinels) |
| 77 CustomElementScheduler::callbackDispatcherDidFinish(); | 77 V0CustomElementScheduler::callbackDispatcherDidFinish(); |
| 78 } | 78 } |
| 79 | 79 |
| 80 void CustomElementProcessingStack::enqueue(CustomElementCallbackQueue* callbackQ
ueue) | 80 void V0CustomElementProcessingStack::enqueue(V0CustomElementCallbackQueue* callb
ackQueue) |
| 81 { | 81 { |
| 82 DCHECK(inCallbackDeliveryScope()); | 82 DCHECK(inCallbackDeliveryScope()); |
| 83 | 83 |
| 84 if (callbackQueue->owner() == currentElementQueue()) | 84 if (callbackQueue->owner() == currentElementQueue()) |
| 85 return; | 85 return; |
| 86 | 86 |
| 87 callbackQueue->setOwner(currentElementQueue()); | 87 callbackQueue->setOwner(currentElementQueue()); |
| 88 | 88 |
| 89 m_flattenedProcessingStack.append(callbackQueue); | 89 m_flattenedProcessingStack.append(callbackQueue); |
| 90 ++s_elementQueueEnd; | 90 ++s_elementQueueEnd; |
| 91 } | 91 } |
| 92 | 92 |
| 93 DEFINE_TRACE(CustomElementProcessingStack) | 93 DEFINE_TRACE(V0CustomElementProcessingStack) |
| 94 { | 94 { |
| 95 visitor->trace(m_flattenedProcessingStack); | 95 visitor->trace(m_flattenedProcessingStack); |
| 96 } | 96 } |
| 97 | 97 |
| 98 } // namespace blink | 98 } // namespace blink |
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