Source/core/dom/custom/CustomElementCallbackDispatcher.cpp - Issue 503043003: Rename CustomElementCallbackDispatcher

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Issue 503043003: Rename CustomElementCallbackDispatcher (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: TBR added Created 6 years, 3 months ago

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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/custom/CustomElementCallbackDispatcher.h"

33

34 #include "core/dom/custom/CustomElementCallbackQueue.h"

35 #include "core/dom/custom/CustomElementScheduler.h"

36 #include "wtf/MainThread.h"

37

38 namespace blink {

39

40 size_t CustomElementCallbackDispatcher::s_elementQueueStart = 0;

41

42 // The base of the stack has a null sentinel value.

43 size_t CustomElementCallbackDispatcher::s_elementQueueEnd = kNumSentinels;

44

45 CustomElementCallbackDispatcher& CustomElementCallbackDispatcher::instance()

46 {

47 DEFINE_STATIC_LOCAL(CustomElementCallbackDispatcher, instance, ());

48 return instance;

49 }

50

51 // Dispatches callbacks when popping the processing stack.

52 void CustomElementCallbackDispatcher::processElementQueueAndPop()

53 {

54 instance().processElementQueueAndPop(s_elementQueueStart, s_elementQueueEnd) ;

55 }

56

57 void CustomElementCallbackDispatcher::processElementQueueAndPop(size_t start, si ze_t end)

58 {

59 ASSERT(isMainThread());

60 CustomElementCallbackQueue::ElementQueueId thisQueue = currentElementQueue() ;

61

62 for (size_t i = start; i < end; i++) {

63 {

64 // The created callback may schedule entered document

65 // callbacks.

66 CallbackDeliveryScope deliveryScope;

67 m_flattenedProcessingStack[i]->processInElementQueue(thisQueue);

68 }

69

70 ASSERT(start == s_elementQueueStart);

71 ASSERT(end == s_elementQueueEnd);

72 }

73

74 // Pop the element queue from the processing stack

75 m_flattenedProcessingStack.resize(start);

76 s_elementQueueEnd = start;

77

78 if (s_elementQueueStart == kNumSentinels)

79 CustomElementScheduler::callbackDispatcherDidFinish();

80 }

81

82 void CustomElementCallbackDispatcher::enqueue(CustomElementCallbackQueue* callba ckQueue)

83 {

84 ASSERT(inCallbackDeliveryScope());

85

86 if (callbackQueue->owner() == currentElementQueue())

87 return;

88

89 callbackQueue->setOwner(currentElementQueue());

90

91 m_flattenedProcessingStack.append(callbackQueue);

92 ++s_elementQueueEnd;

93 }

94

95 } // namespace blink

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