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Issue 598271 link

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Issue metadata

Status: WontFix
Owner:
Closed: Mar 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 1
Type: Bug-Regression



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Thumbnail images is not loading immediately on thumbnail strip in Gallery.app

Project Member Reported by sandeepk...@techmahindra.com, Mar 28 2016

Issue description

Version: 51.0.2692.0 (Official Build) dev (64-bit)
OS: Chrome
Platform: 8120.0.0 (Official Build) dev-channel Peppy, Daisy

What steps will reproduce the problem?
(1)Sign in to user>> download some images>> open it in gallery>> observe the below thumbnail strip in Gallery.app

Expected: Images should load immediately on the thumbnail strip
Actual: Instead Images is not loading immediately on the thumbnail strip (Refer screenshot)

This is a Regression issues as issue is not seen in 49.0.2623.95/7834.60.0 beta-channel Daisy

Issue is not applicable to Linux and Windows

Note: Issue is seen on opening multiple images via thumbnail view in Galley.app i.e Unwanted transition is seen (Refer screen cast)

 
Actual.png
467 KB View Download
Actual.webm
452 KB Download

Comment 1 by ajha@chromium.org, Mar 28 2016

Seeing the same behavior on 51.0.2692.0/8120.0.0 dev-channel Peppy. Large number of images when opened in gallery show slight slowness in loading.

Comment 2 by yawano@chromium.org, Mar 28 2016

Is this an issue that you see that thumbnail images are loaded slightly slower than before?
@Yawano: Yes exactly, the thumbnail images are loading a bit slower than earlier they used to be (Please refer the below thumbnail strip in screenshot).

Comment 4 by yawano@chromium.org, Mar 28 2016

Cc: hirono@chromium.org fukino@chromium.org
Thank you for the feedback!

@fukino: This might be caused because we changed Gallery not to load images in parallel. (https://crrev.com/1751423002) WDYT?

Comment 5 by fukino@chromium.org, Mar 28 2016

Labels: -ReleaseBlock-Stable
Status: WontFix (was: Assigned)
Yes. To fix issue 577345, we changed the loading priority as follows.
- Show the selected image as soon as possible.
- After the selected image is shown, load thubmnails in thumbnail strip and show them as they are loaded.

As a side effect, users can see blank thumbnail in the thumbnail strip, but it is intended since we assume it is better than before. (Before, it took some time to see the selected image, especially in slow devices)

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