243 lines
7.9 KiB
C#
243 lines
7.9 KiB
C#
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using JetBrains.Annotations;
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using Unity.Cloud.Collaborate.Assets;
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using Unity.Cloud.Collaborate.Components;
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using Unity.Cloud.Collaborate.Models;
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using Unity.Cloud.Collaborate.Models.Structures;
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using Unity.Cloud.Collaborate.Views;
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using UnityEngine;
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using UnityEngine.Assertions;
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namespace Unity.Cloud.Collaborate.Presenters
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{
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internal class MainPresenter : IMainPresenter
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{
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[NotNull]
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readonly IMainView m_View;
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[NotNull]
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readonly IMainModel m_Model;
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bool m_IsStarted;
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const string k_ErrorOccuredId = "error_occured";
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const string k_ConflictsDetectedId = "conflicts_detected";
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const string k_RevisionsAvailableId = "revisions_available";
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public MainPresenter([NotNull] IMainView view, [NotNull] IMainModel model)
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{
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m_View = view;
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m_Model = model;
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}
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/// <inheritdoc />
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public void Start()
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{
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Assert.IsFalse(m_IsStarted, "The presenter has already been started.");
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m_IsStarted = true;
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// Setup listeners.
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m_Model.ConflictStatusChange += OnConflictStatusChange;
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m_Model.OperationStatusChange += OnOperationStatusChange;
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m_Model.OperationProgressChange += OnOperationProgressChange;
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m_Model.ErrorOccurred += OnErrorOccurred;
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m_Model.ErrorCleared += OnErrorCleared;
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m_Model.RemoteRevisionsAvailabilityChange += OnRemoteRevisionsAvailabilityChange;
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m_Model.BackButtonStateUpdated += OnBackButtonStateUpdated;
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m_Model.StateChanged += OnStateChanged;
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// Update progress info.
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var progressInfo = m_Model.ProgressInfo;
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if (progressInfo != null)
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{
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OnOperationStatusChange(true);
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OnOperationProgressChange(m_Model.ProgressInfo);
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}
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// Update error info.
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var errorInfo = m_Model.ErrorInfo;
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if (errorInfo != null)
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{
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OnErrorOccurred(errorInfo);
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}
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else
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{
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OnErrorCleared();
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}
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// Get initial values.
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OnConflictStatusChange(m_Model.Conflicted);
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OnRemoteRevisionsAvailabilityChange(m_Model.RemoteRevisionsAvailable);
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PopulateInitialData();
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}
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/// <inheritdoc />
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public void Stop()
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{
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Assert.IsTrue(m_IsStarted, "The presenter has already been stopped.");
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m_IsStarted = false;
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m_Model.ConflictStatusChange -= OnConflictStatusChange;
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m_Model.OperationStatusChange -= OnOperationStatusChange;
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m_Model.OperationProgressChange -= OnOperationProgressChange;
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m_Model.ErrorOccurred -= OnErrorOccurred;
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m_Model.ErrorCleared -= OnErrorCleared;
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m_Model.RemoteRevisionsAvailabilityChange -= OnRemoteRevisionsAvailabilityChange;
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m_Model.BackButtonStateUpdated -= OnBackButtonStateUpdated;
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m_Model.StateChanged -= OnStateChanged;
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}
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/// <summary>
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/// Refresh state from the model.
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/// </summary>
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void OnStateChanged()
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{
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PopulateInitialData();
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}
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/// <summary>
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/// Populate the view with the initial data from the model.
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/// </summary>
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void PopulateInitialData()
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{
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// Set tab.
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m_View.SetTab(m_Model.CurrentTabIndex);
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// Update back navigation
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OnBackButtonStateUpdated(m_Model.GetBackNavigation()?.text);
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}
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/// <inheritdoc />
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public IHistoryPresenter AssignHistoryPresenter(IHistoryView view)
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{
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var presenter = new HistoryPresenter(view, m_Model.ConstructHistoryModel(), m_Model);
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view.Presenter = presenter;
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return presenter;
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}
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/// <inheritdoc />
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public IChangesPresenter AssignChangesPresenter(IChangesView view)
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{
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var presenter = new ChangesPresenter(view, m_Model.ConstructChangesModel(), m_Model);
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view.Presenter = presenter;
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return presenter;
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}
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/// <inheritdoc />
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public void RequestCancelJob()
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{
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m_Model.RequestCancelJob();
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}
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/// <inheritdoc />
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public void UpdateTabIndex(int index)
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{
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m_Model.CurrentTabIndex = index;
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}
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/// <inheritdoc />
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public void NavigateBack()
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{
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// Grab back action from the model, clear it, then invoke it.
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var nav = m_Model.GetBackNavigation();
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if (nav == null) return;
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m_Model.UnregisterBackNavigation(nav.Value.id);
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nav.Value.backAction.Invoke();
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}
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/// <summary>
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/// Display an alert if there is conflicts detected.
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/// </summary>
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/// <param name="conflicts">True if conflicts exist.</param>
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void OnConflictStatusChange(bool conflicts)
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{
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if (conflicts)
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{
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m_View.AddAlert(k_ConflictsDetectedId, AlertBox.AlertLevel.Alert, StringAssets.conflictsDetected);
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}
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else
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{
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m_View.RemoveAlert(k_ConflictsDetectedId);
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}
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}
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/// <summary>
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/// Display a progress bar if an operation has started.
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/// </summary>
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/// <param name="inProgress"></param>
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void OnOperationStatusChange(bool inProgress)
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{
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if (inProgress)
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{
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m_View.AddOperationProgress();
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}
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else
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{
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m_View.RemoveOperationProgress();
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}
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}
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/// <summary>
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/// Update progress bar with incremental details.
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/// </summary>
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/// <param name="progressInfo"></param>
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void OnOperationProgressChange(IProgressInfo progressInfo)
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{
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m_View.SetOperationProgress(progressInfo.Title, progressInfo.Details,
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progressInfo.PercentageComplete, progressInfo.CurrentCount,
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progressInfo.TotalCount, progressInfo.PercentageProgressType, progressInfo.CanCancel);
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}
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/// <summary>
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/// Display an error.
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/// </summary>
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/// <param name="errorInfo"></param>
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void OnErrorOccurred(IErrorInfo errorInfo)
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{
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if (errorInfo.Behaviour == ErrorInfoBehavior.Alert)
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{
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m_View.AddAlert(k_ErrorOccuredId, AlertBox.AlertLevel.Alert, errorInfo.Message, (StringAssets.clear, m_Model.ClearError));
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}
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}
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/// <summary>
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/// Clear the error state.
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/// </summary>
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void OnErrorCleared()
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{
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m_View.RemoveAlert(k_ErrorOccuredId);
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}
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/// <summary>
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/// Show or clear the revisions to fetch alert based on whether or not they are available.
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/// </summary>
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/// <param name="remoteRevisionsAvailable">True if there are remote revisions to pull down.</param>
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void OnRemoteRevisionsAvailabilityChange(bool remoteRevisionsAvailable)
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{
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if (remoteRevisionsAvailable)
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{
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m_View.AddAlert(k_RevisionsAvailableId, AlertBox.AlertLevel.Info, StringAssets.syncRemoteRevisionsMessage, (StringAssets.sync, m_Model.RequestSync));
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}
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else
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{
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m_View.RemoveAlert(k_RevisionsAvailableId);
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}
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}
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/// <summary>
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/// Clear or show back navigation button.
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/// </summary>
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/// <param name="title">Text to display next to the back navigation. Null means no back navigation.</param>
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void OnBackButtonStateUpdated([CanBeNull] string title)
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{
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if (title == null)
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{
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m_View.ClearBackNavigation();
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}
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else
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{
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m_View.DisplayBackNavigation(title);
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}
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}
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}
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}
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