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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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65
js/ui/remoteSearch.js
View file

@ -250,48 +250,43 @@ var RemoteSearchProvider = class {
return regularResults.slice(0, maxNumber).concat(specialResults.slice(0, maxNumber));
}
_getResultsFinished(results, error, callback) {
if (error) {
if (error.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
return;
log(`Received error from D-Bus search provider ${this.id}: ${error}`);
callback([]);
return;
async getInitialResultSet(terms, cancellable) {
try {
const [results] = await this.proxy.GetInitialResultSetAsync(terms, cancellable);
return results;
} catch (error) {
if (!error.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
log(`Received error from D-Bus search provider ${this.id}: ${error}`);
return [];
}
callback(results[0]);
}
getInitialResultSet(terms, callback, cancellable) {
this.proxy.GetInitialResultSetRemote(terms,
(results, error) => {
this._getResultsFinished(results, error, callback);
},
cancellable);
async getSubsearchResultSet(previousResults, newTerms, cancellable) {
try {
const [results] = await this.proxy.GetSubsearchResultSetAsync(previousResults, newTerms, cancellable);
return results;
} catch (error) {
if (!error.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
log(`Received error from D-Bus search provider ${this.id}: ${error}`);
return [];
}
}
getSubsearchResultSet(previousResults, newTerms, callback, cancellable) {
this.proxy.GetSubsearchResultSetRemote(previousResults, newTerms,
(results, error) => {
this._getResultsFinished(results, error, callback);
},
cancellable);
}
_getResultMetasFinished(results, error, callback) {
if (error) {
async getResultMetas(ids, cancellable) {
let metas;
try {
[metas] = await this.proxy.GetResultMetasAsync(ids, cancellable);
} catch (error) {
if (!error.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
log(`Received error from D-Bus search provider ${this.id} during GetResultMetas: ${error}`);
callback([]);
return;
return [];
}
let metas = results[0];
let resultMetas = [];
for (let i = 0; i < metas.length; i++) {
for (let prop in metas[i]) {
// we can use the serialized icon variant directly
if (prop != 'icon')
if (prop !== 'icon')
metas[i][prop] = metas[i][prop].deep_unpack();
}
@ -303,15 +298,7 @@ var RemoteSearchProvider = class {
clipboardText: metas[i]['clipboardText'],
});
}
callback(resultMetas);
}
getResultMetas(ids, callback, cancellable) {
this.proxy.GetResultMetasRemote(ids,
(results, error) => {
this._getResultMetasFinished(results, error, callback);
},
cancellable);
return resultMetas;
}
activateResult(id) {