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| 1 /* | 1 /* |
| 2 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. | 2 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. |
| 3 * Copyright (C) 2009 Google Inc. All rights reserved. | 3 * Copyright (C) 2009 Google Inc. All rights reserved. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
| 7 * are met: | 7 * are met: |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
| 11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
| 12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
| 13 * | 13 * |
| 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 */ | 25 */ |
| 26 | 26 |
| 27 #include "config.h" | 27 #include "config.h" |
| 28 #include "ThreadTimers.h" | 28 #include "core/platform/ThreadTimers.h" |
| 29 | 29 |
| 30 #include "SharedTimer.h" | 30 #include "core/platform/SharedTimer.h" |
| 31 #include "ThreadGlobalData.h" | 31 #include "core/platform/ThreadGlobalData.h" |
| 32 #include "Timer.h" | 32 #include "core/platform/Timer.h" |
| 33 #include <wtf/CurrentTime.h> | 33 #include <wtf/CurrentTime.h> |
| 34 #include <wtf/MainThread.h> | 34 #include <wtf/MainThread.h> |
| 35 | 35 |
| 36 using namespace std; | 36 using namespace std; |
| 37 | 37 |
| 38 namespace WebCore { | 38 namespace WebCore { |
| 39 | 39 |
| 40 // Fire timers for this length of time, and then quit to let the run loop proces
s user input events. | 40 // Fire timers for this length of time, and then quit to let the run loop proces
s user input events. |
| 41 // 100ms is about a perceptable delay in UI, so use a half of that as a threshol
d. | 41 // 100ms is about a perceptable delay in UI, so use a half of that as a threshol
d. |
| 42 // This is to prevent UI freeze when there are too many timers or machine perfor
mance is low. | 42 // This is to prevent UI freeze when there are too many timers or machine perfor
mance is low. |
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| 140 | 140 |
| 141 void ThreadTimers::fireTimersInNestedEventLoop() | 141 void ThreadTimers::fireTimersInNestedEventLoop() |
| 142 { | 142 { |
| 143 // Reset the reentrancy guard so the timers can fire again. | 143 // Reset the reentrancy guard so the timers can fire again. |
| 144 m_firingTimers = false; | 144 m_firingTimers = false; |
| 145 updateSharedTimer(); | 145 updateSharedTimer(); |
| 146 } | 146 } |
| 147 | 147 |
| 148 } // namespace WebCore | 148 } // namespace WebCore |
| 149 | 149 |
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