87824 2012-05-29 22:54:34 -0700 Factor DeferrableOneShotTimer out of GraphicsContextCG/GeneratorGeneratedImage 2012-06-04 10:05:47 -0700 1 1 1 Unclassified WebKit Platform 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 thorton thorton darin simon.fraser oldest_to_newest 636878 0 thorton 2012-05-29 22:54:34 -0700 I copied and pasted some code from GraphicsContextCG into GeneratorGeneratedImage, and I shouldn't have. We should move this code to somewhere more generic so that it can be reused, especially as it's particularly useful for clearing caches! DeferrableOneShotTimer is a timer which takes a class+method to call (as Timer does), and a delay. It exposes restart(), stop(), and isActive(), and none of the rest of the TimerBase interface. On restart(), the timer is started with the given delay, unless it's already running, in which case a flag is set to automatically restart the timer when it fires instead of calling the given method. This provides a low-overhead way to implement a deferrable timer. This will be used to clear GraphicsContextCG's subimage cache and GeneratorGeneratedImage's generated image cache. I have a patch. I'm also open to better names and/or moving it into its own header if needed. 636913 1 144724 thorton 2012-05-29 23:31:55 -0700 Created attachment 144724 patch 637285 2 144724 simon.fraser 2012-05-30 09:02:33 -0700 Comment on attachment 144724 patch View in context: https://bugs.webkit.org/attachment.cgi?id=144724&action=review Nice. > Source/WebCore/platform/Timer.h:127 > + // again, which might result in rescheduling the system timer and that s/and that/which > Source/WebCore/platform/Timer.h:155 > + bool m_shouldRestartWhenTimerFires; > + double m_delay; Putting the bool last might get you better packing and a smaller object. 637472 3 thorton 2012-05-30 11:28:53 -0700 http://trac.webkit.org/changeset/118942 637561 4 144724 darin 2012-05-30 12:48:46 -0700 Comment on attachment 144724 patch View in context: https://bugs.webkit.org/attachment.cgi?id=144724&action=review >> Source/WebCore/platform/Timer.h:127 >> + // again, which might result in rescheduling the system timer and that > > s/and that/which I don’t agree. That goes against my elementary school training about the use of which vs. that. 144724 2012-05-29 23:31:55 -0700 2012-05-30 12:48:46 -0700 patch deferrabletimer.diff text/plain 8218 thorton ZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJDb3JlL0NoYW5nZUxvZyBiL1NvdXJjZS9XZWJDb3JlL0No YW5nZUxvZwppbmRleCA4NzZiMWE1Li4xN2EzZDVkIDEwMDY0NAotLS0gYS9Tb3VyY2UvV2ViQ29y ZS9DaGFuZ2VMb2cKKysrIGIvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMzIg QEAKKzIwMTItMDUtMjkgIFRpbSBIb3J0b24gIDx0aW1vdGh5X2hvcnRvbkBhcHBsZS5jb20+CisK KyAgICAgICAgRmFjdG9yIERlZmVycmFibGVPbmVTaG90VGltZXIgb3V0IG9mIEdyYXBoaWNzQ29u dGV4dENHL0dlbmVyYXRvckdlbmVyYXRlZEltYWdlCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJr aXQub3JnL3Nob3dfYnVnLmNnaT9pZD04NzgyNAorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9E WSAoT09QUyEpLgorCisgICAgICAgIERlZmVycmFibGVPbmVTaG90VGltZXIgaXMgYSB0aW1lciB3 aGljaCB0YWtlcyBhIGNsYXNzIGFuZCBtZXRob2QgdG8gY2FsbCAoYXMgVGltZXIgZG9lcyksCisg ICAgICAgIGFuZCBhIGRlbGF5LiBJdCBleHBvc2VzIHJlc3RhcnQoKSwgc3RvcCgpLCBhbmQgaXNB 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