[Bug 1502675] Re: Webview turns black for a fraction of a second when it’s unhidden

[Pat McGowan]

** Changed in: canonical-devices-system-image
   Status: Fix Committed => Fix Released

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Title:
  Webview turns black for a fraction of a second when it’s unhidden

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[Bug 1502675] Re: Webview turns black for a fraction of a second when it’s unhidden

[Olivier Tilloy]

** Changed in: webbrowser-app (Ubuntu)
 Assignee: (unassigned) => Olivier Tilloy (osomon)

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Title:
  Webview turns black for a fraction of a second when it’s unhidden

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[Bug 1502675] Re: Webview turns black for a fraction of a second when it’s unhidden

[Jean-Baptiste Lallement]

** Also affects: canonical-devices-system-image
   Importance: Undecided
   Status: New

** Changed in: canonical-devices-system-image
   Importance: Undecided => High

** Changed in: canonical-devices-system-image
   Status: New => Fix Committed

** Changed in: canonical-devices-system-image
Milestone: None => ww02-2016

** Changed in: canonical-devices-system-image
 Assignee: (unassigned) => Bill Filler (bfiller)

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Title:
  Webview turns black for a fraction of a second when it’s unhidden

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[Bug 1502675] Re: Webview turns black for a fraction of a second when it’s unhidden

[Launchpad Bug Tracker]

This bug was fixed in the package webbrowser-app -
0.23+16.04.20151124-0ubuntu1

---
webbrowser-app (0.23+16.04.20151124-0ubuntu1) xenial; urgency=medium

  * Multiple changes to improve the tab switching animation. The biggest
remaining issue is bug #1502675, which is worked around here until
it is properly addressed in oxide. (LP: #1502675)

 -- Olivier Tilloy   Tue, 24 Nov 2015
12:03:50 +

** Changed in: webbrowser-app (Ubuntu)
   Status: Invalid => Fix Released

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Title:
  Webview turns black for a fraction of a second when it’s unhidden

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[Bug 1502675] Re: Webview turns black for a fraction of a second when it’s unhidden

[Olivier Tilloy]

A simple (simplistic) workaround consists in delaying the switch between
one webview and the other. Something like that (for two webviews):

Item {
WebView {
anchors.fill: parent
visible: (current == 0) || (next == 0)
z: (current == 0) ? 1 : 0
}

WebView {
anchors.fill: parent
visible: (current == 1) || (next == 1)
z: (current == 1) ? 1 : 0
}

property int current: 0
property int next: -1

Timer {
id: switchTimer
interval: 100
onTriggered: {
current = next
next = -1
}
}

onSwitchWebviewRequested: {
next = (current + 1) % 2
switchTimer.restart()
}
}

This is only a workaround though, fixing the root issue in oxide would
be preferable of course. Until then, I’ll see if I can implement that
workaround in the browser.

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Title:
  Webview turns black for a fraction of a second when it’s unhidden

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[Bug 1502675] Re: Webview turns black for a fraction of a second when it’s unhidden

[Olivier Tilloy]

I set the importance to high as, in the current state of affairs, this
prevents us from providing a smooth animation when switching tabs in the
browser.

** Summary changed:

- Webview turns black  when it gets refocused
+ Webview turns black for a fraction of a second when it’s unhidden

** Changed in: oxide
   Status: New => Confirmed

** Changed in: oxide
   Importance: Undecided => High

** Changed in: webbrowser-app (Ubuntu)
   Status: Confirmed => Invalid

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Title:
  Webview turns black for a fraction of a second when it’s unhidden

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