** Also affects: ubuntu-ui-toolkit
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1277227
Title:
LabelVisual.isInsideOverlay() performance issue
Status in Ubuntu UI Toolkit:
New
Status in ubuntu-ui-toolkit package in Ubuntu:
Confirmed
Bug description:
I ran my app (lp:ureadit) in the QtCreator analyzer and the following
code accounted for 30% of the rendering time:
http://bazaar.launchpad.net/~ubuntu-sdk-team/ubuntu-ui-
toolkit/trunk/view/head:/modules/Ubuntu/Components/ListItems/LabelVisual.qml#L28
// FIXME: very ugly hack to detect whether the list item is inside a
Popover
property bool overlay: isInsideOverlay(label)
function isInsideOverlay(item) {
if (!item.parent) return false;
return item.parent.hasOwnProperty("pointerTarget") ||
label.isInsideOverlay(item.parent)
}
Location Type Time in Percent Total Time Calls Mean Time
Median Time Longest Time Shortest Time Details
LabelVisual.qml:27 Binding 8.10 % 125.849 ms 152 827.955 µs
894.083 µs 2.305 ms 466.326 µs property bool overlay:
isInsideOverlay(label)
Location Time in Percent Total Time Self Time in Percent Self
Time Details
LabelVisual.qml:28 158.82 % 885.349 ms 27.91 % 88.852 ms
isInsideOverlay
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