146735 2015-07-08 12:22:36 -0700 [iOS] Scrolling is laggy when the keyboard is up and a form element is focused. 2015-07-08 17:20:14 -0700 1 1 1 Unclassified WebKit Forms 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED InRadar, Performance P2 Normal --- 1 kling kling benjamin enrica kling oldest_to_newest 1107832 0 kling 2015-07-08 12:22:36 -0700 <rdar://problem/21151033> There are little lag spikes whenever you put your finger to the screen and pan while an input element is focused. 1107833 1 256393 kling 2015-07-08 12:24:32 -0700 Created attachment 256393 Patch 1107947 2 256393 enrica 2015-07-08 16:36:25 -0700 Comment on attachment 256393 Patch Looks good to me!! 1108004 3 kling 2015-07-08 17:20:14 -0700 Committed r186546: <http://trac.webkit.org/changeset/186546> 256393 2015-07-08 12:24:32 -0700 2015-07-08 16:36:25 -0700 Patch bug-146735.diff text/plain 2938 kling ZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJLaXQyL0NoYW5nZUxvZyBiL1NvdXJjZS9XZWJLaXQyL0No YW5nZUxvZwppbmRleCAzMGI1NTE3Li4xZTRkZTJmIDEwMDY0NAotLS0gYS9Tb3VyY2UvV2ViS2l0 Mi9DaGFuZ2VMb2cKKysrIGIvU291cmNlL1dlYktpdDIvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMjMg QEAKKzIwMTUtMDctMDggIEFuZHJlYXMgS2xpbmcgIDxha2xpbmdAYXBwbGUuY29tPgorCisgICAg ICAgIFtpT1NdIFNjcm9sbGluZyBpcyBsYWdneSB3aGVuIHRoZSBrZXlib2FyZCBpcyB1cCBhbmQg YSBmb3JtIGVsZW1lbnQgaXMgZm9jdXNlZC4KKyAgICAgICAgPGh0dHBzOi8vd2Via2l0Lm9yZy9i LzE0NjczNT4KKyAgICAgICAgPHJkYXI6Ly9wcm9ibGVtLzIxMTUxMDMzPgorCisgICAgICAgIFJl dmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIEV2ZXJ5IHRvdWNoIG9uIHRoZSBw YWdlIGNhdXNlcyB1cyB0byBjYWxsIGVsZW1lbnREaWRGb2N1cygpLCBzaW5jZSB3ZSBtYXkgbmVl ZCB0byBicmluZworICAgICAgICB1cCBhIGtleWJvYXJkIGlmIHRoZSBub2RlIHByZXZpb3VzbHkg aGFkIGJlZW4gcHJvZ3JhbW1hdGljYWxseSBmb2N1c2VkLiBUaGlzIHdhcyBjYXVzaW5nCisgICAg ICAgIGxpdHRsZSBsYWcgc3Bpa2VzIGR1cmluZyBzY3JvbGxpbmcgZXZlcnkgdGltZSB5b3UnZCBw dXQgeW91ciBmaW5nZXIgdG8gdGhlIHNjcmVlbi4KKworICAgICAgICBIYXZlIFdlYlBhZ2U6OmVs ZW1lbnREaWRGb2N1cygpIHJldHVybiBlYXJseSBpZiB0aGUgbm9kZSBhbHJlYWR5IGhhcyBmb2N1 cywgYW5kIHdlJ3ZlCisgICAgICAgIHN0YXJ0ZWQgYW4gaW5wdXQgc2Vzc2lvbiBpbiByZXNwb25z ZSB0byBub24tcHJvZ3JhbW1hdGljIGZvY3VzIGFscmVhZHkuCisKKyAgICAgICAgKiBXZWJQcm9j ZXNzL1dlYlBhZ2UvV2ViUGFnZS5oOgorICAgICAgICAqIFdlYlByb2Nlc3MvV2ViUGFnZS9pb3Mv V2ViUGFnZUlPUy5tbToKKyAgICAgICAgKFdlYktpdDo6V2ViUGFnZTo6ZWxlbWVudERpZEZvY3Vz KToKKyAgICAgICAgKFdlYktpdDo6V2ViUGFnZTo6ZWxlbWVudERpZEJsdXIpOgorCiAyMDE1LTA3 LTA4ICBBbnR0aSBLb2l2aXN0byAgPGFudHRpQGFwcGxlLmNvbT4KIAogICAgICAgICBOZXR3b3Jr IENhY2hlOiBEb24ndCBvcGVuIGZpbGVzIGluIG1haW4gdGhyZWFkCmRpZmYgLS1naXQgYS9Tb3Vy Y2UvV2ViS2l0Mi9XZWJQcm9jZXNzL1dlYlBhZ2UvV2ViUGFnZS5oIGIvU291cmNlL1dlYktpdDIv V2ViUHJvY2Vzcy9XZWJQYWdlL1dlYlBhZ2UuaAppbmRleCA5OWFiZTM3Li45Yjk5MDNlIDEwMDY0 NAotLS0gYS9Tb3VyY2UvV2ViS2l0Mi9XZWJQcm9jZXNzL1dlYlBhZ2UvV2ViUGFnZS5oCisrKyBi L1NvdXJjZS9XZWJLaXQyL1dlYlByb2Nlc3MvV2ViUGFnZS9XZWJQYWdlLmgKQEAgLTEzMzYsNiAr MTMzNiw3IEBAIHByaXZhdGU6CiAgICAgYm9vbCBtX3VzZXJIYXNDaGFuZ2VkUGFnZVNjYWxlRmFj dG9yOwogICAgIGJvb2wgbV9oYXNTdGFibGVQYWdlU2NhbGVGYWN0b3I7CiAgICAgYm9vbCBtX3Vz ZXJJc0ludGVyYWN0aW5nOworICAgIGJvb2wgbV9oYXNGb2N1c2VkRHVlVG9Vc2VySW50ZXJhY3Rp b24geyBmYWxzZSB9OwogICAgIGJvb2wgbV9oYXNQZW5kaW5nQmx1ck5vdGlmaWNhdGlvbjsKICAg ICBib29sIG1fdXNlVGVzdGluZ1ZpZXdwb3J0Q29uZmlndXJhdGlvbjsKICAgICBib29sIG1faXNJ blN0YWJsZVN0YXRlOwpkaWZmIC0tZ2l0IGEvU291cmNlL1dlYktpdDIvV2ViUHJvY2Vzcy9XZWJQ YWdlL2lvcy9XZWJQYWdlSU9TLm1tIGIvU291cmNlL1dlYktpdDIvV2ViUHJvY2Vzcy9XZWJQYWdl L2lvcy9XZWJQYWdlSU9TLm1tCmluZGV4IDlmNGNlYzcuLjE2MmQxNWQgMTAwNjQ0Ci0tLSBhL1Nv dXJjZS9XZWJLaXQyL1dlYlByb2Nlc3MvV2ViUGFnZS9pb3MvV2ViUGFnZUlPUy5tbQorKysgYi9T b3VyY2UvV2ViS2l0Mi9XZWJQcm9jZXNzL1dlYlBhZ2UvaW9zL1dlYlBhZ2VJT1MubW0KQEAgLTI0 MzEsOCArMjQzMSwxMiBAQCB2b2lkIFdlYlBhZ2U6OnJlc2V0QXNzaXN0ZWROb2RlRm9yRnJhbWUo V2ViRnJhbWUqIGZyYW1lKQogCiB2b2lkIFdlYlBhZ2U6OmVsZW1lbnREaWRGb2N1cyhXZWJDb3Jl OjpOb2RlKiBub2RlKQogeworICAgIGlmIChtX2Fzc2lzdGVkTm9kZSA9PSBub2RlICYmIG1faGFz Rm9jdXNlZER1ZVRvVXNlckludGVyYWN0aW9uKQorICAgICAgICByZXR1cm47CisKICAgICBpZiAo bm9kZS0+aGFzVGFnTmFtZShXZWJDb3JlOjpIVE1MTmFtZXM6OnNlbGVjdFRhZykgfHwgbm9kZS0+ aGFzVGFnTmFtZShXZWJDb3JlOjpIVE1MTmFtZXM6OmlucHV0VGFnKSB8fCBub2RlLT5oYXNUYWdO YW1lKFdlYkNvcmU6OkhUTUxOYW1lczo6dGV4dGFyZWFUYWcpIHx8IG5vZGUtPmhhc0VkaXRhYmxl U3R5bGUoKSkgewogICAgICAgICBtX2Fzc2lzdGVkTm9kZSA9IG5vZGU7CisgICAgICAgIG1faGFz Rm9jdXNlZER1ZVRvVXNlckludGVyYWN0aW9uIHw9IG1fdXNlcklzSW50ZXJhY3Rpbmc7CiAgICAg ICAgIEFzc2lzdGVkTm9kZUluZm9ybWF0aW9uIGluZm9ybWF0aW9uOwogICAgICAgICBnZXRBc3Np c3RlZE5vZGVJbmZvcm1hdGlvbihpbmZvcm1hdGlvbik7CiAgICAgICAgIFJlZlB0cjxBUEk6Ok9i amVjdD4gdXNlckRhdGE7CkBAIC0yNDU4LDYgKzI0NjIsNyBAQCB2b2lkIFdlYlBhZ2U6OmVsZW1l bnREaWRCbHVyKFdlYkNvcmU6Ok5vZGUqIG5vZGUpCiAgICAgICAgICAgICAgICAgc2VuZChNZXNz YWdlczo6V2ViUGFnZVByb3h5OjpTdG9wQXNzaXN0aW5nTm9kZSgpKTsKICAgICAgICAgICAgIG1f aGFzUGVuZGluZ0JsdXJOb3RpZmljYXRpb24gPSBmYWxzZTsKICAgICAgICAgfSk7CisgICAgICAg IG1faGFzRm9jdXNlZER1ZVRvVXNlckludGVyYWN0aW9uID0gZmFsc2U7CiAgICAgICAgIG1fYXNz aXN0ZWROb2RlID0gbnVsbHB0cjsKICAgICB9CiB9Cg==