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| 1 // | 1 // | 
| 2 // Copyright 2014 Google Inc. All rights reserved. | 2 // Copyright 2014 Google Inc. All rights reserved. | 
| 3 // | 3 // | 
| 4 // Use of this source code is governed by a BSD-style | 4 // Use of this source code is governed by a BSD-style | 
| 5 // license that can be found in the LICENSE file or at | 5 // license that can be found in the LICENSE file or at | 
| 6 // https://developers.google.com/open-source/licenses/bsd | 6 // https://developers.google.com/open-source/licenses/bsd | 
| 7 // | 7 // | 
| 8 | 8 | 
| 9 /// A [window.requestAnimationFrame] based timer for use with transitions. | 9 /// A [window.requestAnimationFrame] based timer for use with transitions. | 
| 10 /// Uses [dart.async.Timer] when the time until next timeout is too long. | 10 /// Uses [dart.async.Timer] when the time until next timeout is too long. | 
| (...skipping 79 matching lines...) Expand 10 before | Expand all | Expand 10 after  Loading... | 
| 90       } | 90       } | 
| 91       _timerScheduled = new Timer(new Duration(milliseconds: delay), _step); | 91       _timerScheduled = new Timer(new Duration(milliseconds: delay), _step); | 
| 92       _animationFrameRequested = false; | 92       _animationFrameRequested = false; | 
| 93     } | 93     } | 
| 94     else { | 94     else { | 
| 95       _animationFrameRequested = true; | 95       _animationFrameRequested = true; | 
| 96       window.animationFrame.then(_step); | 96       window.animationFrame.then(_step); | 
| 97     } | 97     } | 
| 98   } | 98   } | 
| 99 } | 99 } | 
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