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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "config.h" |
| 6 #include "core/frame/DeprecatedScheduleStyleRecalcDuringLayout.h" |
| 7 |
| 8 #include "wtf/Assertions.h" |
| 9 |
| 10 namespace WebCore { |
| 11 |
| 12 DeprecatedScheduleStyleRecalcDuringLayout::DeprecatedScheduleStyleRecalcDuringLa
yout(DocumentLifecycle& lifecycle) |
| 13 : m_lifecycle(lifecycle) |
| 14 , m_deprecatedTransition(DocumentLifecycle::InPerformLayout, DocumentLifecyc
le::StyleRecalcPending) |
| 15 , m_wasInPerformLayout(lifecycle.state() == DocumentLifecycle::InPerformLayo
ut) |
| 16 { |
| 17 } |
| 18 |
| 19 DeprecatedScheduleStyleRecalcDuringLayout::~DeprecatedScheduleStyleRecalcDuringL
ayout() |
| 20 { |
| 21 // This block of code is intended to restore the state machine to the |
| 22 // proper state. The style recalc will still have been schedule, however. |
| 23 if (m_wasInPerformLayout && m_lifecycle.state() != DocumentLifecycle::InPerf
ormLayout) { |
| 24 ASSERT(m_lifecycle.state() == DocumentLifecycle::StyleRecalcPending); |
| 25 m_lifecycle.advanceTo(DocumentLifecycle::InPerformLayout); |
| 26 } |
| 27 } |
| 28 |
| 29 } |
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