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Added GlobalProviderState to ProviderManager property for easy binding #117

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Merged
shweaver-MSFT merged 2 commits into from
Jun 24, 2021
Merged

Added GlobalProviderState to ProviderManager property for easy binding #117

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5d55e4f
Added GlobalProviderState property for easy binding
shweaver-MSFT Jun 11, 2021
79ae947
Renamed GlobalProviderState to State
shweaver-MSFT Jun 24, 2021
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29 changes: 23 additions & 6 deletions CommunityToolkit.Authentication/ProviderManager.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,14 +8,14 @@
namespace CommunityToolkit.Authentication
{
/// <summary>
/// Shared provider manager used by controls in Microsoft.Toolkit.Graph.Controls to authenticate and call the Microsoft Graph.
/// Shared provider manager used by controls and helpers to authenticate and call the Microsoft Graph.
/// </summary>
/// <example>To set your own existing provider:
/// <code>
/// ProviderManager.Instance.GlobalProvider = await MsalProvider.CreateAsync(...);
/// ProviderManager.Instance.GlobalProvider = await new MsalProvider(clientId, scopes);
/// </code>
/// </example>
public partial class ProviderManager
public partial class ProviderManager : INotifyPropertyChanged
{
/// <summary>
/// Gets the name of the toolkit client to identify self in Graph calls.
Expand All @@ -37,7 +37,8 @@ public partial class ProviderManager
/// </summary>
public event EventHandler<ProviderStateChangedEventArgs> ProviderStateChanged;

private IProvider _provider;
/// <inheritdoc />
public event PropertyChangedEventHandler PropertyChanged;

/// <summary>
/// Gets or sets the global provider used by all Microsoft.Toolkit.Graph.Controls.
Expand All @@ -54,25 +55,41 @@ public IProvider GlobalProvider
var oldState = _provider?.State;
if (_provider != null)
{
_provider.StateChanged -= ProviderStateChanged;
_provider.StateChanged -= OnProviderStateChanged;
}

_provider = value;

var newState = _provider?.State;
if (_provider != null)
{
_provider.StateChanged += ProviderStateChanged;
_provider.StateChanged += OnProviderStateChanged;
}

ProviderUpdated?.Invoke(this, _provider);
ProviderStateChanged?.Invoke(this, new ProviderStateChangedEventArgs(oldState, newState));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(GlobalProvider)));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(State)));
}
}

/// <summary>
/// Gets the ProviderState of the current GlobalProvider instance.
/// Use for binding scenarios instead of ProviderManager.Instance.GlobalProvider.State.
/// </summary>
public ProviderState? State => GlobalProvider?.State;

private IProvider _provider;

private ProviderManager()
{
// Use Instance
}

private void OnProviderStateChanged(object sender, ProviderStateChangedEventArgs args)
{
ProviderStateChanged?.Invoke(sender, args);
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(State)));
}
}
}