Extremely long IME compositions are slow
Reported by
lge-systemwebview@lge.com,
Jul 14 2016
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Issue descriptionThis report will ONLY be viewable by Google. Device name: Nexus 5 Android version:6.0.1 Fingerprint: WebView version (from system settings -> Apps -> Android System WebView): 51.0.2704.81 Application:https://play.google.com/store/apps/details?id=info.android1.webview Application version:3.0.0 URLs (if applicable):http://www.sceditor.com/ Steps to reproduce: Precondition:Keyboard language should be Google Korean input (1) Open chrome browser with url- http://www.sceditor.com/ (2) Type Korean characters 4-5 lines & observer Expected result: There should not be any delay. Actual result: characters are displayed after some delay. Note:Same behavior is observed in english with google keyboard.
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Jul 14 2016
Not specific to WebView, or any particular IME. It only happens if you type a single word (i.e. a single composition in the IME) that's very very long - as soon as you complete the word, enter whitespace, etc it goes back to normal performance. Are we maybe reinserting the entire in-progress composition string into the DOM each time, or something? This is probably pretty low priority, though, because this is not a realistic way for users to enter text...
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Jul 15 2016
Yeah, it might be worth taking a look and eventually fixing, though, since it might be low-hanging fruit.
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Jul 15 2016
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Jul 26 2016
Issue 631250 has been merged into this issue.
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Feb 20 2017
This bug was fixed by https://codereview.chromium.org/2530843003 since we only insert incremental text in that CL.
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Mar 13 2017
Please let us know the exact fixed version . We will verify in that version and update result.
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Mar 14 2017
Fixed on Chrome Stable 56.0.2889.0,reproducible on Chrome Stable 56.0.2888.3. |
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