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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/observer/ResizeObserverController.h" | 5 #include "core/observer/ResizeObserverController.h" |
| 6 | 6 |
| 7 #include "core/observer/ResizeObserver.h" | 7 #include "core/observer/ResizeObserver.h" |
| 8 | 8 |
| 9 namespace blink { | 9 namespace blink { |
| 10 | 10 |
| (...skipping 19 matching lines...) Expand all Loading... |
| 30 bool ResizeObserverController::skippedObservations() { | 30 bool ResizeObserverController::skippedObservations() { |
| 31 for (auto& observer : m_observers) { | 31 for (auto& observer : m_observers) { |
| 32 if (observer->skippedObservations()) | 32 if (observer->skippedObservations()) |
| 33 return true; | 33 return true; |
| 34 } | 34 } |
| 35 return false; | 35 return false; |
| 36 } | 36 } |
| 37 | 37 |
| 38 void ResizeObserverController::deliverObservations() { | 38 void ResizeObserverController::deliverObservations() { |
| 39 m_observersChanged = false; | 39 m_observersChanged = false; |
| 40 // Copy is needed because m_observers might get modified during deliverObserva
tions. | 40 // Copy is needed because m_observers might get modified during |
| 41 // deliverObservations. |
| 41 HeapVector<Member<ResizeObserver>> observers; | 42 HeapVector<Member<ResizeObserver>> observers; |
| 42 copyToVector(m_observers, observers); | 43 copyToVector(m_observers, observers); |
| 43 | 44 |
| 44 for (auto& observer : observers) { | 45 for (auto& observer : observers) { |
| 45 if (observer) { | 46 if (observer) { |
| 46 observer->deliverObservations(); | 47 observer->deliverObservations(); |
| 47 m_observersChanged = | 48 m_observersChanged = |
| 48 m_observersChanged || observer->hasElementSizeChanged(); | 49 m_observersChanged || observer->hasElementSizeChanged(); |
| 49 } | 50 } |
| 50 } | 51 } |
| 51 } | 52 } |
| 52 | 53 |
| 53 void ResizeObserverController::clearObservations() { | 54 void ResizeObserverController::clearObservations() { |
| 54 for (auto& observer : m_observers) | 55 for (auto& observer : m_observers) |
| 55 observer->clearObservations(); | 56 observer->clearObservations(); |
| 56 } | 57 } |
| 57 | 58 |
| 58 DEFINE_TRACE(ResizeObserverController) { | 59 DEFINE_TRACE(ResizeObserverController) { |
| 59 visitor->trace(m_observers); | 60 visitor->trace(m_observers); |
| 60 } | 61 } |
| 61 | 62 |
| 62 } // namespace blink | 63 } // namespace blink |
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