private async Task <bool> FileExists(string fileAName)
{
await TaskExHelper.Yield();
var iso = System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication();
return(iso.FileExists(fileAName));
}
/// <summary>
/// Informs the ThreadPool that there's work to be executed for this scheduler.
/// </summary>
private async void NotifyThreadPoolOfPendingWork()
{
#if NETFX_CORE
await ThreadPool.RunAsync((_1) =>
#else
await TaskExHelper.Yield();
ThreadPool.QueueUserWorkItem(_ =>
#endif
{
// Note that the current thread is now processing work items.
// This is necessary to enable inlining of tasks into this thread.
_currentThreadIsProcessingItems = true;
try
{
// Process all available items in the queue.
while (true)
{
Task item;
lock (_tasks)
{
// When there are no more items to be processed,
// note that we're done processing, and get out.
if (_tasks.Count == 0)
{
--_delegatesQueuedOrRunning;
break;
}
// Get the next item from the queue
item = _tasks.First.Value;
_tasks.RemoveFirst();
}
// Execute the task we pulled out of the queue
base.TryExecuteTask(item);
}
}
// We're done processing items on the current thread
finally { _currentThreadIsProcessingItems = false; }
#if NETFX_CORE
});
#else
}, null);
private void PropScribe()
{
GetValueContainer(vm => vm.IsImageMode).GetNewValueObservable().Subscribe(e =>
{
var isimagemode = e.EventArgs;
AppSettings.Instance.IsEnableImageMode = isimagemode;
}).DisposeWith(this);
GetValueContainer(vm => vm.IsLightTheme).GetNewValueObservable().Subscribe(async e =>
{
var islighttheme = e.EventArgs;
AppSettings.Instance.CurrentTheme = islighttheme ? ElementTheme.Light : ElementTheme.Dark;
App.SetShellDecoration(false);
//StageManager.DefaultStage.Frame.RequestedTheme = AppSettings.Instance.CurrentTheme;
await TaskExHelper.Yield();
// await StageManager.DefaultStage.Show(new SettingPage_Model());
// ((Page) this.StageManager.CurrentBindingView).RequestedTheme = AppSettings.Instance.CurrentTheme;
}).DisposeWith(this);
GetValueContainer(vm => vm.AccentColor).GetNewValueObservable().Subscribe(e =>
{
var accentcolor = e.EventArgs;
AppSettings.Instance.AccentColor = accentcolor;
App.SetShellDecoration(true);
// await StageManager.DefaultStage.Show(new SettingPage_Model());
}).DisposeWith(this);
//CheckBox点击之后,马上更改设置,以实现实时更新
EventRouter.Instance.GetEventChannel <Object>()
.Where(x => x.EventName == "NotyCheckedByEventRouter")
.Subscribe(
async e =>
{
var item = e.EventData as PostType;
if (item != null)
{
var query = ListPostTypes.Where(listPosttype => listPosttype.IsSelected);
AppSettings.Instance.SelectChannelTypes = query.ToList();
}
await TaskExHelper.Yield();
}
).DisposeWith(this);
}
private void SubscribeCommand()
{
EventRouter.Instance.GetEventChannel <Object>()
.Where(x => x.EventName == "NavToPostDetailByEventRouter")
.Subscribe(
async e =>
{
await TaskExHelper.Yield();
var item = e.EventData as PostDetail;
if (item != null)
{
await StageManager.DefaultStage.Show(new PostDetailPage_Model(item));
//StageManager.DefaultStage.Frame.Navigate(typeof(PostDetailPage),item);
}
}
).DisposeWith(this);
EventRouter.Instance.GetEventChannel <Object>()
.Where(x => x.EventName == "NavToAuthorDetailByEventRouter")
.Subscribe(
async e =>
{
await TaskExHelper.Yield();
var item = e.EventData as Author;
if (item != null)
{
item.AuthorPostList = new IncrementalLoadingCollection <AuthorPostSource, PostDetail>(item.Id.ToString(), AppStrings.PageSize);
await StageManager.DefaultStage.Show(new AuthorPage_Model(item));
//StageManager.DefaultStage.Frame.Navigate(typeof(PostDetailPage),item);
}
}
).DisposeWith(this);
}