/// <summary>
/// Prevents a default instance of the <see cref="SnapshotManagerViewModel"/> class from being created.
/// </summary>
private SnapshotManagerViewModel() : base("Snapshot Manager")
{
this.ContentId = SnapshotManagerViewModel.ToolContentId;
// Note: Not async to avoid updates slower than the perception threshold
this.ClearSnapshotsCommand = new RelayCommand(() => this.ClearSnapshots(), () => true);
this.UndoSnapshotCommand = new RelayCommand(() => this.UndoSnapshot(), () => true);
this.RedoSnapshotCommand = new RelayCommand(() => this.RedoSnapshot(), () => true);
Task.Run(() => DockingViewModel.GetInstance().RegisterViewModel(this));
Task.Run(() => SnapshotManager.GetInstance().Subscribe(this));
}
/// <summary>
/// Redoes the most recent snapshot.
/// </summary>
private void RedoSnapshot()
{
SnapshotManager.GetInstance().RedoSnapshot();
}
/// <summary>
/// Undoes the most recent snapshot.
/// </summary>
private void UndoSnapshot()
{
SnapshotManager.GetInstance().UndoSnapshot();
}
/// <summary>
/// Clears all snapshots.
/// </summary>
private void ClearSnapshots()
{
SnapshotManager.GetInstance().ClearSnapshots();
}
/// <summary>
/// Reads all memory for every region contained in this snapshot. TODO: This is not parallel, nor does it track progress.
/// </summary>
public void ReadAllMemory()
{
this.TimeSinceLastUpdate = DateTime.Now;
this.Intersect(SnapshotManager.GetInstance().CreateSnapshotFromSettings());
this.SnapshotRegions?.ForEach(x => x.ReadAllMemory(keepValues: true, readSuccess: out _));
}
/// <summary>
/// Unconditionally expands all regions in this snapshot by the specified size.
/// </summary>
/// <param name="expandSize">The size by which to expand the snapshot regions.</param>
public void ExpandAllRegions(UInt64 expandSize)
{
this.SnapshotRegions?.ForEach(x => x.Expand(expandSize));
this.Intersect(SnapshotManager.GetInstance().CreateSnapshotFromSettings());
}