WidgetImplBase.cs

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.

using Microsoft.Windows.Widgets.Providers;
using System;
using Windows.Storage;

namespace MiniTimerWidget
{
  internal delegate WidgetImplBase WidgetCreateDelegate(string widgetId, string initialState);
  internal abstract class WidgetImplBase
  {
    protected string id;
    protected string state;
    protected bool isActivated = false;

    protected WidgetImplBase(string widgetId, string initialState)
    {
      state = initialState;
      id = widgetId;
    }

    public string Id { get => id; }
    public string State { get => state; }
    public bool IsActivated { get => isActivated; }

    protected static string ReadPackageFileFromUri(string packageUri)
    {
      var uri = new Uri(packageUri);
      var storageFileTask = StorageFile.GetFileFromApplicationUriAsync(uri).AsTask();
      storageFileTask.Wait();

      var readTextTask = FileIO.ReadTextAsync(storageFileTask.Result).AsTask();
      readTextTask.Wait();

      return readTextTask.Result;
    }

    public virtual void Activate(WidgetContext widgetContext) { }
    public virtual void Deactivate() { }
    public virtual void OnActionInvoked(WidgetActionInvokedArgs actionInvokedArgs) { }
    public virtual void OnWidgetContextChanged(WidgetContextChangedArgs contextChangedArgs) { }

    public abstract string GetTemplateForWidget();
    public abstract string GetDataForWidget();
  }
}