public static void GenerateTileJpg(string msg)
{
Log.Debug("");
var grid = new Grid()
{
Background = new SolidColorBrush(Colors.Orange),
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
Height = 336,
Width = 336,
Margin = new Thickness(0, 0, 0, 0),
};
var tbMsg = new TextBlock
{
Text = msg,
Foreground = new SolidColorBrush(Colors.White),
FontSize = 42,
TextAlignment = TextAlignment.Left,
};
grid.Children.Add(tbMsg);
grid.Measure(new Size(grid.Width, grid.Height));
grid.Arrange(new Rect(new Point(0, 0), new Size(grid.Width, grid.Height)));
using (var stream = IsolatedStorageFile.GetUserStoreForApplication().OpenFile(m_tileImgPath, FileMode.Create))
{
WriteableBitmap bitmap = new WriteableBitmap(grid, null);
bitmap.Render(grid, null);
bitmap.Invalidate();
bitmap.SaveJpeg(stream, (int)grid.Width, (int)grid.Height, 0, 100);
}
}
/// Code to execute on Unhandled Exceptions
private static void UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
{
Log.Error("ScheduledAgent.UnhandledException() \n{0}", e.ToString());
Log.Error("ScheduledAgent.UnhandledException() \n{0}", e.ToString());
if (Debugger.IsAttached)
{
// An unhandled exception has occurred; break into the debugger
//Debugger.Break();
}
}
private void llsBuses_Tap(object sender, System.Windows.Input.GestureEventArgs e)
{
Log.Debug("");
if (llsBuses.SelectedItem == null)
{
return;
}
Log.Debug("llsBuses.SelectedItem=" + (llsBuses.SelectedItem as StringVM).String);
m_prevent_TextChangeEvent = true;
tbBusName.Text = (llsBuses.SelectedItem as StringVM).String;
m_prevent_TextChangeEvent = false;
}
static void UpdateTileImage(BusTag[] busTags)
{
Log.Debug("");
GenerateTileJpg("\n".Joyn(busTags.Select(x => x.busName + " " + x.timeToArrive)));
ShellTile tile = ShellTile.ActiveTiles.FirstOrDefault(x => x.NavigationUri.ToString().Contains("DefaultTitle=FromTile"));
if (tile != null)
{
tile.Update(new StandardTileData {
BackgroundImage = new Uri("isostore:/" + m_tileImgPath, UriKind.Absolute),
Title = DateTime.Now.ToString("HH:mm:ss"),
});
}
}
private void SaveBusTags(BusTag[] busTags)
{
JsonSerializer serializer = new JsonSerializer();
serializer.NullValueHandling = NullValueHandling.Ignore;
try
{
using (StreamWriter sw = new StreamWriter(
IsolatedStorageFile.GetUserStoreForApplication().OpenFile(@"Shared\ShellContent\saved_buses.json",
FileMode.OpenOrCreate, FileAccess.Write, FileShare.None)))
using (JsonWriter writer = new JsonTextWriter(sw))
{
serializer.Serialize(writer, busTags);
}
}
catch (Exception ex)
{
Log.Error(ex.DumpStr());
}
}
public static async Task <string> GetBusDueTime(string busName, string stationName, BusDir busDir)
{
string url = @"http://pda.5284.com.tw/MQS/businfo3.jsp?Mode=1&Dir={1}&Route={0}&Stop={2}".Fmt(
Uri.EscapeUriString(busName), busDir == BusDir.go?1:0, Uri.EscapeUriString(stationName));
var client = new HttpClient();
string strResult = await client.GetStringAsync(new Uri(url));
var doc = new HtmlDocument();
doc.LoadHtml(strResult);
HtmlNodeCollection nodes = doc.DocumentNode.SelectNodes(
"/html/body/center/table/tr[6]/td");
if (nodes.Count == 0)
{
Log.Debug("nodes.Count == 0");
return("網路障礙");
}
return(nodes[0].InnerText);
}
public static async void RefreshBusTime(ObservableCollection <BusTagVM> busTags)
{
var tasks = busTags.Select(b => BusTicker.GetBusDueTime(b)).ToList();
var waIdx = Enumerable.Range(0, busTags.Count).ToList();
while (tasks.Count > 0)
{
await Task.Run(() =>
{
int j = Task.WaitAny(tasks.ToArray());
//Debug.WriteLine("Task.WaitAny() returns "+j);
});
for (int i = tasks.Count - 1; i >= 0; --i)
{
if (tasks.Count == 0)
{
break;
}
if (tasks[i].IsCompleted)
{
int fIdx = waIdx[i];
try
{
busTags[fIdx].timeToArrive = tasks[i].Result;
}
catch (Exception ex)
{
Log.Error(ex.DumpStr());
busTags[fIdx].timeToArrive = "網路障礙";
}
waIdx.RemoveAt(i);
tasks.RemoveAt(i);
}
}
}
}
protected override void OnInvoke(ScheduledTask task)
{
try
{
//Log.Create(false);
ShellTile tile = ShellTile.ActiveTiles.FirstOrDefault(x => x.NavigationUri.ToString().Contains("DefaultTitle=FromTile"));
bool bWiFiOnly = false;
IsolatedStorageSettings.ApplicationSettings.TryGetValue("WiFiOnly", out bWiFiOnly);
if ((bWiFiOnly && !WifiConnected()) ||
tile == null)
{
ScheduledActionService.LaunchForTest(task.Name, TimeSpan.FromSeconds(1));
this.NotifyComplete();
return;
}
var busTags = new ObservableCollection <BusTagVM>(
from bus in LoadBusTags() orderby bus.tag select new BusTagVM(bus));
Log.Debug("busTags=" + busTags.DumpArray());
RefreshBusTime(busTags);
//var tasks = busTags.Select(b => BusTicker.GetBusDueTime(b)).ToList();
//var waIdx = Enumerable.Range(0, busTags.Length).ToList();
//while (tasks.Count > 0)
//{
// Task.WaitAny(tasks.ToArray());
// for (int i = tasks.Count - 1; i >= 0; --i)
// {
// if (tasks.Count == 0)
// break;
// if (tasks[i].IsCompleted)
// {
// int fIdx = waIdx[i];
// try
// {
// busTags[fIdx].timeToArrive = tasks[i].Result;
// }
// catch (Exception ex)
// {
// Log.Error(ex.DumpStr());
// busTags[fIdx].timeToArrive = "網路障礙";
// }
// waIdx.RemoveAt(i);
// tasks.RemoveAt(i);
// }
// }
//}
SaveBusTags(busTags.Select(x => x.BusTag).ToArray());
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
Log.Debug("Deployment.Current.Dispatcher.BeginInvoke enter");
try
{
Log.Debug("UpdateTileImage()");
UpdateTileImage(busTags.Select(x => x.BusTag).ToArray());
Log.Debug("Deployment.Current.Dispatcher.BeginInvoke exit");
}
catch (Exception e)
{
Log.Error(e.ToString());
}
finally
{
ScheduledActionService.LaunchForTest(task.Name, TimeSpan.FromSeconds(1));
this.NotifyComplete();
//Log.Close();
}
});
}
catch (Exception e)
{
Log.Error(e.DumpStr());
}
}
