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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 import 'dart:sky' as sky; | 5 import 'dart:sky' as sky; |
| 6 | 6 |
| 7 typedef void Callback(double timeStamp); | 7 typedef void Callback(double timeStamp); |
| 8 | 8 |
| 9 bool _haveScheduledVisualUpdate = false; | 9 bool _haveScheduledVisualUpdate = false; |
| 10 int _nextCallbackId = 1; | 10 int _nextCallbackId = 1; |
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| 51 _transientCallbacks.remove(id); | 51 _transientCallbacks.remove(id); |
| 52 } | 52 } |
| 53 | 53 |
| 54 void ensureVisualUpdate() { | 54 void ensureVisualUpdate() { |
| 55 assert(sky.window == null); | 55 assert(sky.window == null); |
| 56 if (_haveScheduledVisualUpdate) | 56 if (_haveScheduledVisualUpdate) |
| 57 return; | 57 return; |
| 58 sky.view.scheduleFrame(); | 58 sky.view.scheduleFrame(); |
| 59 _haveScheduledVisualUpdate = true; | 59 _haveScheduledVisualUpdate = true; |
| 60 } | 60 } |
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