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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/dom/IntersectionObserverController.h" | 5 #include "core/dom/IntersectionObserverController.h" |
6 | 6 |
7 #include "core/dom/Document.h" | 7 #include "core/dom/Document.h" |
8 | 8 |
9 namespace blink { | 9 namespace blink { |
10 | 10 |
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54 } | 54 } |
55 IntersectionObserverVector observers; | 55 IntersectionObserverVector observers; |
56 copyToVector(m_pendingIntersectionObservers, observers); | 56 copyToVector(m_pendingIntersectionObservers, observers); |
57 m_pendingIntersectionObservers.clear(); | 57 m_pendingIntersectionObservers.clear(); |
58 for (auto& observer : observers) | 58 for (auto& observer : observers) |
59 observer->deliver(); | 59 observer->deliver(); |
60 } | 60 } |
61 | 61 |
62 void IntersectionObserverController::computeTrackedIntersectionObservations() | 62 void IntersectionObserverController::computeTrackedIntersectionObservations() |
63 { | 63 { |
64 // TODO(szager): Need to define timestamp. | |
65 double timestamp = currentTime(); | |
66 for (auto& observer : m_trackedIntersectionObservers) { | 64 for (auto& observer : m_trackedIntersectionObservers) { |
67 observer->computeIntersectionObservations(timestamp); | 65 observer->computeIntersectionObservations(); |
68 if (observer->hasEntries()) | 66 if (observer->hasEntries()) |
69 scheduleIntersectionObserverForDelivery(*observer); | 67 scheduleIntersectionObserverForDelivery(*observer); |
70 } | 68 } |
71 } | 69 } |
72 | 70 |
73 void IntersectionObserverController::addTrackedObserver(IntersectionObserver& ob
server) | 71 void IntersectionObserverController::addTrackedObserver(IntersectionObserver& ob
server) |
74 { | 72 { |
75 m_trackedIntersectionObservers.add(&observer); | 73 m_trackedIntersectionObservers.add(&observer); |
76 } | 74 } |
77 | 75 |
78 void IntersectionObserverController::removeTrackedObserversForRoot(const Node& r
oot) | 76 void IntersectionObserverController::removeTrackedObserversForRoot(const Node& r
oot) |
79 { | 77 { |
80 HeapVector<Member<IntersectionObserver>> toRemove; | 78 HeapVector<Member<IntersectionObserver>> toRemove; |
81 for (auto& observer : m_trackedIntersectionObservers) { | 79 for (auto& observer : m_trackedIntersectionObservers) { |
82 if (observer->root() == &root) | 80 if (observer->root() == &root) |
83 toRemove.append(observer); | 81 toRemove.append(observer); |
84 } | 82 } |
85 m_trackedIntersectionObservers.removeAll(toRemove); | 83 m_trackedIntersectionObservers.removeAll(toRemove); |
86 } | 84 } |
87 | 85 |
88 DEFINE_TRACE(IntersectionObserverController) | 86 DEFINE_TRACE(IntersectionObserverController) |
89 { | 87 { |
90 visitor->trace(m_trackedIntersectionObservers); | 88 visitor->trace(m_trackedIntersectionObservers); |
91 visitor->trace(m_pendingIntersectionObservers); | 89 visitor->trace(m_pendingIntersectionObservers); |
92 ActiveDOMObject::trace(visitor); | 90 ActiveDOMObject::trace(visitor); |
93 } | 91 } |
94 | 92 |
95 } // namespace blink | 93 } // namespace blink |
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