Rendering wrong session on overlaying fragment
Categories
(GeckoView :: General, defect)
Tracking
(Not tracked)
People
(Reporter: anevyantsev, Unassigned)
Details
Attachments
(1 file)
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116.49 KB,
image/png
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Details |
Screenshot_20191105-180725.png
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.70 Safari/537.36
Steps to reproduce:
Open the sample https://github.com/rav3n/gecko_sample
Wait until the Google page is loaded.
Press button "Next fragment"
At the start of the app first fragment with GeckoView is creating. Then it loading google.com page. After pressing on "Next fragment" button the app is adding (FragmentTransaction.add) the second fragment which also has GeckoView on it. The second page is loading mozilla.github.io.
Actual results:
The second fragment will render google.com and mozilla.github.io at the same time. But you can fully interact with mozilla.github.io (scroll, press buttons etc)
Expected results:
GeckoView should render only mozilla.github.io
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Reporter | |
Comment 1•6 years ago
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Forgot to mention. This bug reproducing on Samsung Galaxy S7
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Comment 2•6 years ago
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Hi Alex, thanks for reporting this bug. The fragment is stacking the two GeckoView SurfaceViews. IIUC, SurfaceViews don't have proper Z-indexing. (They just have a single "on top" flag.) The GeckoView engineers consider this an app problem, not a GeckoView bug (so I am closing this bug). You might be able to avoid this problem by hiding one of your views. That will still be slow because GeckoView will still be painting to both SurfaceViews.
Agi is working on a related issue to use TextureView, but that would hurt the frame rate.
Description
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