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appDisplay: Cache app ids in FolderView

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Instead of reading a GSettings and building the app ids list
every single time FolderView needs to check for something,
cache it before redisplay and reuse this cached list everywhere.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1409
This commit is contained in:
Georges Basile Stavracas Neto 2020-08-13 20:20:52 -03:00 committed by Florian Müllner
parent 990c171bed
commit 7fcaf63291
1 changed files with 12 additions and 8 deletions
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20
js/ui/appDisplay.js
View File

@ -1604,6 +1604,7 @@ class FolderView extends BaseAppView {
action.connect('pan', this._onPan.bind(this));
this._scrollView.add_action(action);
this._appIds = [];
this._redisplay();
}
@ -1649,8 +1650,7 @@ class FolderView extends BaseAppView {
}
_getItemPosition(item) {
const appIds = this._getFolderApps();
const appIndex = appIds.indexOf(item.id);
const appIndex = this._appIds.indexOf(item.id);
if (appIndex === -1)
return [-1, -1];
@ -1660,10 +1660,8 @@ class FolderView extends BaseAppView {
}
_compareItems(a, b) {
const appIds = this._getFolderApps();
const aPosition = appIds.indexOf(a.id);
const bPosition = appIds.indexOf(b.id);
const aPosition = this._appIds.indexOf(a.id);
const bPosition = this._appIds.indexOf(b.id);
if (aPosition === -1 && bPosition === -1)
return a.name.localeCompare(b.name);
@ -1720,9 +1718,8 @@ class FolderView extends BaseAppView {
_loadApps() {
let apps = [];
let appSys = Shell.AppSystem.get_default();
const appIds = this._getFolderApps();
appIds.forEach(appId => {
this._appIds.forEach(appId => {
const app = appSys.lookup_app(appId);
let icon = this._items.get(appId);
@ -1735,6 +1732,13 @@ class FolderView extends BaseAppView {
return apps;
}
_redisplay() {
// Keep the app ids list cached
this._appIds = this._getFolderApps();
super._redisplay();
}
acceptDrop(source) {
if (!super.acceptDrop(source))
return false;