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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 * @unrestricted | 5 * @unrestricted |
| 6 */ | 6 */ |
| 7 Common.Throttler = class { | 7 Common.Throttler = class { |
| 8 /** | 8 /** |
| 9 * @param {number} timeout | 9 * @param {number} timeout |
| 10 */ | 10 */ |
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| 66 * @param {boolean} forceTimerUpdate | 66 * @param {boolean} forceTimerUpdate |
| 67 */ | 67 */ |
| 68 _innerSchedule(forceTimerUpdate) { | 68 _innerSchedule(forceTimerUpdate) { |
| 69 if (this._isRunningProcess) | 69 if (this._isRunningProcess) |
| 70 return; | 70 return; |
| 71 if (this._processTimeout && !forceTimerUpdate) | 71 if (this._processTimeout && !forceTimerUpdate) |
| 72 return; | 72 return; |
| 73 if (this._processTimeout) | 73 if (this._processTimeout) |
| 74 this._clearTimeout(this._processTimeout); | 74 this._clearTimeout(this._processTimeout); |
| 75 | 75 |
| 76 var timeout = this._asSoonAsPossible ? 0 : this._timeout; | 76 var timeout = this._asSoonAsPossible ? 1 : this._timeout; |
| 77 this._processTimeout = this._setTimeout(this._onTimeout.bind(this), timeout)
; | 77 this._processTimeout = this._setTimeout(this._onTimeout.bind(this), timeout)
; |
| 78 } | 78 } |
| 79 | 79 |
| 80 /** | 80 /** |
| 81 * @param {number} timeoutId | 81 * @param {number} timeoutId |
| 82 */ | 82 */ |
| 83 _clearTimeout(timeoutId) { | 83 _clearTimeout(timeoutId) { |
| 84 clearTimeout(timeoutId); | 84 clearTimeout(timeoutId); |
| 85 } | 85 } |
| 86 | 86 |
| 87 /** | 87 /** |
| 88 * @param {function()} operation | 88 * @param {function()} operation |
| 89 * @param {number} timeout | 89 * @param {number} timeout |
| 90 * @return {number} | 90 * @return {number} |
| 91 */ | 91 */ |
| 92 _setTimeout(operation, timeout) { | 92 _setTimeout(operation, timeout) { |
| 93 return setTimeout(operation, timeout); | 93 return setTimeout(operation, timeout); |
| 94 } | 94 } |
| 95 }; | 95 }; |
| 96 | 96 |
| 97 /** @typedef {function(!Error=)} */ | 97 /** @typedef {function(!Error=)} */ |
| 98 Common.Throttler.FinishCallback; | 98 Common.Throttler.FinishCallback; |
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