56 lines
1.6 KiB
TypeScript
56 lines
1.6 KiB
TypeScript
/*
|
|
Copyright 2023 The Matrix.org Foundation C.I.C.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
import type {SettingsStorage} from "./platform/web/dom/SettingsStorage";
|
|
|
|
export enum FeatureFlag {
|
|
Calls = 1 << 0,
|
|
CrossSigning = 1 << 1
|
|
}
|
|
|
|
export class FeatureSet {
|
|
constructor(public readonly flags: number = 0) {}
|
|
|
|
withFeature(flag: FeatureFlag): FeatureSet {
|
|
return new FeatureSet(this.flags | flag);
|
|
}
|
|
|
|
withoutFeature(flag: FeatureFlag): FeatureSet {
|
|
return new FeatureSet(this.flags ^ flag);
|
|
}
|
|
|
|
isFeatureEnabled(flag: FeatureFlag): boolean {
|
|
return (this.flags & flag) !== 0;
|
|
}
|
|
|
|
get calls(): boolean {
|
|
return this.isFeatureEnabled(FeatureFlag.Calls);
|
|
}
|
|
|
|
get crossSigning(): boolean {
|
|
return this.isFeatureEnabled(FeatureFlag.CrossSigning);
|
|
}
|
|
|
|
static async load(settingsStorage: SettingsStorage): Promise<FeatureSet> {
|
|
const flags = await settingsStorage.getInt("enabled_features") || 0;
|
|
return new FeatureSet(flags);
|
|
}
|
|
|
|
async store(settingsStorage: SettingsStorage): Promise<void> {
|
|
await settingsStorage.setInt("enabled_features", this.flags);
|
|
}
|
|
}
|