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search: Use async functions instead of callbacks

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Our search provider API has to be asynchronous to support remote
providers. It doesn't have to be based on callbacks though, now
that async functions provide a nicer alternative.

That is particularly true after gjs's D-Bus wrapper started to
generate promise-based method variants.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2344>
This commit is contained in:
Florian Müllner
2022-06-23 18:13:36 +02:00
committed by Marge Bot
parent 1cce999c30
commit 119581a4cb
3 changed files with 93 additions and 116 deletions
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26
js/ui/appDisplay.js
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@ -1825,7 +1825,7 @@ var AppSearchProvider = class AppSearchProvider {
this._parentalControlsManager = ParentalControlsManager.getDefault();
}
getResultMetas(apps, callback) {
getResultMetas(apps) {
const { scaleFactor } = St.ThemeContext.get_for_stage(global.stage);
let metas = [];
for (let id of apps) {
@ -1852,24 +1852,25 @@ var AppSearchProvider = class AppSearchProvider {
}
}
callback(metas);
return new Promise(resolve => resolve(metas));
}
filterResults(results, maxNumber) {
return results.slice(0, maxNumber);
}
getInitialResultSet(terms, callback, _cancellable) {
getInitialResultSet(terms, cancellable) {
// Defer until the parental controls manager is initialised, so the
// results can be filtered correctly.
if (!this._parentalControlsManager.initialized) {
let initializedId = this._parentalControlsManager.connect('app-filter-changed', () => {
if (this._parentalControlsManager.initialized) {
this._parentalControlsManager.disconnect(initializedId);
this.getInitialResultSet(terms, callback, _cancellable);
}
return new Promise(resolve => {
let initializedId = this._parentalControlsManager.connect('app-filter-changed', async () => {
if (this._parentalControlsManager.initialized) {
this._parentalControlsManager.disconnect(initializedId);
resolve(await this.getInitialResultSet(terms, cancellable));
}
});
});
return;
}
let query = terms.join(' ');
@ -1887,12 +1888,11 @@ var AppSearchProvider = class AppSearchProvider {
});
results = results.concat(this._systemActions.getMatchingActions(terms));
callback(results);
return new Promise(resolve => resolve(results));
}
getSubsearchResultSet(previousResults, terms, callback, cancellable) {
this.getInitialResultSet(terms, callback, cancellable);
getSubsearchResultSet(previousResults, terms, cancellable) {
return this.getInitialResultSet(terms, cancellable);
}
createResultObject(resultMeta) {