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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/html/StableState.h" |
| 7 |
| 8 #include "wtf/HashSet.h" |
| 9 |
| 10 namespace WebCore { |
| 11 |
| 12 typedef HashSet<StableState::Awaiter*> StableStateAwaiters; |
| 13 |
| 14 static StableStateAwaiters& stableStateAwaiters() |
| 15 { |
| 16 DEFINE_STATIC_LOCAL(StableStateAwaiters, stableStateAwaiters, ()); |
| 17 return stableStateAwaiters; |
| 18 } |
| 19 |
| 20 StableState::Awaiter::~Awaiter() |
| 21 { |
| 22 stopAwaitingStableState(); |
| 23 } |
| 24 |
| 25 void StableState::Awaiter::awaitStableState() |
| 26 { |
| 27 stableStateAwaiters().add(this); |
| 28 } |
| 29 |
| 30 void StableState::Awaiter::stopAwaitingStableState() |
| 31 { |
| 32 stableStateAwaiters().remove(this); |
| 33 } |
| 34 |
| 35 void StableState::provide() |
| 36 { |
| 37 StableStateAwaiters& awaiters = stableStateAwaiters(); |
| 38 for (StableStateAwaiters::iterator it = awaiters.begin(); it != awaiters.end
(); ++it) |
| 39 (*it)->didAwaitStableState(); |
| 40 awaiters.clear(); |
| 41 } |
| 42 |
| 43 } // namespace WebCore |
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