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Rename MXSessionSyncProgress #1686
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Original file line number | Diff line number | Diff line change |
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// | ||
// Copyright 2022 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. | ||
// | ||
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import Foundation | ||
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/// Different stages of starting up a session that may complete | ||
/// in non-trivial amount of time. These stages can be observed | ||
/// and used to update the user interface during session loading. | ||
public enum MXSessionStartupStage { | ||
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/// Migrating data to a new store version | ||
case migratingData(progress: Double) | ||
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/// Syncing with the server as Nth attempt | ||
case serverSyncing(attempt: Int) | ||
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/// Processing server response | ||
case processingResponse(progress: Double) | ||
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var isSyncing: Bool { | ||
guard case .serverSyncing = self else { | ||
return false | ||
} | ||
return true | ||
} | ||
} | ||
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/// Delegate that recieves stage updates | ||
public protocol MXSessionStartupProgressDelegate: AnyObject { | ||
func sessionDidUpdateStartupStage(_ stage: MXSessionStartupStage) | ||
} | ||
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/// Distinct phases of the `processingResponse` stage that report | ||
/// their own local progress separately and complete in a given order | ||
@objc public enum MXSessionProcessingResponsePhase: Int, CaseIterable { | ||
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/// Processing the response from the server | ||
case syncResponse | ||
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/// Updating room summaries | ||
case roomSummaries | ||
} | ||
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/// `MXSessionStartupProgress` tracks individual stages and per-stage progress | ||
/// during a session startup, where the application may be blocking user interactions. | ||
@objc public class MXSessionStartupProgress: NSObject { | ||
private var syncAttempts = 0 | ||
private var stage: MXSessionStartupStage? { | ||
didSet { | ||
if let state = stage { | ||
delegate?.sessionDidUpdateStartupStage(state) | ||
} | ||
} | ||
} | ||
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public weak var delegate: MXSessionStartupProgressDelegate? { | ||
didSet { | ||
if let state = stage { | ||
delegate?.sessionDidUpdateStartupStage(state) | ||
} | ||
} | ||
} | ||
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/// Increment the total number of sync attempts during the `serverSyncing` stage | ||
@objc public func incrementSyncAttempt() { | ||
guard stage == nil || stage?.isSyncing == true else { | ||
return | ||
} | ||
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syncAttempts += 1 | ||
stage = .serverSyncing(attempt: syncAttempts) | ||
} | ||
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/// Update the local progress of a specific phase within `processingResponse` | ||
/// | ||
/// The overal progress will be computed and reported automatically | ||
@objc public func updateProcessingProgress(_ progress: Double, forPhase phase: MXSessionProcessingResponsePhase) { | ||
let totalPhases = Double(MXSessionProcessingResponsePhase.allCases.count) | ||
let currentPhaseProgress = progress / totalPhases | ||
let previousPhasesProgress = Double(phase.rawValue) / totalPhases | ||
let totalProgress = previousPhasesProgress + currentPhaseProgress | ||
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stage = .processingResponse(progress: totalProgress) | ||
} | ||
} |
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No change of functionality from
MXSessionSyncProgress
, only renaming