/// <summary>
///
/// </summary>
/// <returns></returns>
public async Task GetConfigAndParse()
{
displayList.Clear(); // clear the list since this function is called when the app resyncs content at mid night
audioList.Clear(); // see above
StorageFolder displayFolder = await Windows.Storage.ApplicationData.Current.LocalFolder.CreateFolderAsync("DigitalSignal\\Display", CreationCollisionOption.OpenIfExists);
StorageFolder audioFolder = await Windows.Storage.ApplicationData.Current.LocalFolder.CreateFolderAsync("DigitalSignal\\Audio", CreationCollisionOption.OpenIfExists);
try
{
HttpClient configClient = new HttpClient();
string configStr = File.ReadAllText(currentConfigFilePath);
XElement xele = XElement.Parse(configStr);
foreach (XElement xe in xele.Elements())
{
StorageFolder tmp = xe.Name == "Audio" ? audioFolder : displayFolder;
List <object> tmpList = xe.Name == "Audio" ? audioList : displayList;
foreach (XElement fileElement in xe.Elements()) // audio
{
if (fileElement.Attribute("type") != null && fileElement.Attribute("type").Value == "webpage") // the display is a webpage, not image, not video, we create and store a new Uri Object. Only url display type has type attribute
{
DisplayObject DO = new DisplayObject();
DO.uri = new Uri(fileElement.Attribute("path").Value);
DO.duration = Convert.ToInt32(fileElement.Attribute("duration").Value);
tmpList.Add(DO);
}
else
{
DisplayObject DO = new DisplayObject();
string filename = fileElement.Attribute("path").Value.Substring(fileElement.Attribute("path").Value.LastIndexOf('/') + 1);
StorageFile file = await tmp.CreateFileAsync(filename, CreationCollisionOption.ReplaceExisting);
Uri fileElementUri;
if (Uri.TryCreate(fileElement.Attribute("path").Value, UriKind.Absolute, out fileElementUri) &&
Uri.CheckSchemeName(fileElementUri.Scheme)) // check if URL or local media
{
HttpClient client = new HttpClient();
HttpResponseMessage response = await client.GetAsync(fileElementUri);
await FileIO.WriteBufferAsync(file, await response.Content.ReadAsBufferAsync());
}
else
{
byte[] bytes = File.ReadAllBytes(filename);
await FileIO.WriteBufferAsync(file, WindowsRuntimeBufferExtensions.AsBuffer(bytes));
}
if (fileElement.Attribute("duration") != null) // this is an image
{
DO.duration = Convert.ToInt32(fileElement.Attribute("duration").Value);
}
DO.file = file;
tmpList.Add(DO);
}
}
}
}
catch (Exception)
{
// use this to capture any config xml parsing error, we don't expose what they are
// but only popup a dialog to user saying something is wrong..
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public async Task GetConfigAndParse()
{
displayList.Clear(); // clear the list since this function is called when the app resyncs content at mid night
audioList.Clear(); // see above
StorageFolder displayFolder = await Windows.Storage.ApplicationData.Current.LocalFolder.CreateFolderAsync("DigitalSignal\\Display", CreationCollisionOption.OpenIfExists);
StorageFolder audioFolder = await Windows.Storage.ApplicationData.Current.LocalFolder.CreateFolderAsync("DigitalSignal\\Audio", CreationCollisionOption.OpenIfExists);
try
{
HttpClient configClient = new HttpClient();
string configStr = File.ReadAllText(currentConfigFilePath);
XElement xele = XElement.Parse(configStr);
foreach (XElement xe in xele.Elements())
{
StorageFolder tmp = xe.Name == "Audio" ? audioFolder : displayFolder;
List<object> tmpList = xe.Name == "Audio" ? audioList : displayList;
foreach (XElement fileElement in xe.Elements()) // audio
{
if (fileElement.Attribute("type") != null && fileElement.Attribute("type").Value == "webpage") // the display is a webpage, not image, not video, we create and store a new Uri Object. Only url display type has type attribute
{
DisplayObject DO = new DisplayObject();
DO.uri = new Uri(fileElement.Attribute("path").Value);
DO.duration = Convert.ToInt32(fileElement.Attribute("duration").Value);
tmpList.Add(DO);
}
else
{
DisplayObject DO = new DisplayObject();
string filename = fileElement.Attribute("path").Value.Substring(fileElement.Attribute("path").Value.LastIndexOf('/') + 1);
StorageFile file = await tmp.CreateFileAsync(filename, CreationCollisionOption.ReplaceExisting);
byte[] bytes = File.ReadAllBytes(filename);
await FileIO.WriteBufferAsync(file, WindowsRuntimeBufferExtensions.AsBuffer(bytes));
if (fileElement.Attribute("duration") != null) // this is an image
DO.duration = Convert.ToInt32(fileElement.Attribute("duration").Value);
DO.file = file;
tmpList.Add(DO);
}
}
}
}
catch (Exception)
{
// use this to capture any config xml parsing error, we don't expose what they are
// but only popup a dialog to user saying something is wrong..
}
}
/// <summary>
/// check if next one is image, continue the audio and display the image for seconds defined by the timer interval
/// of next is video, pause the audio, and play back the video
/// </summary>
async void DisplayNext()
{
if (displayList.Count == 0)
{
MessageDialog dialog = new MessageDialog("You've entered an invalid or empty config file, it's been reset to default.");
localSettings.Values[configValueName] = defaultConfigFilePath;
dialog.Commands.Add(new UICommand("OK", new UICommandInvokedHandler(InvalidConfigDialogCommandInvokeHandler)));
dialog.ShowAsync(); // show a dialog with only one button to return to homepage
return;
}
DisplayObject currentDO = (DisplayObject)displayList[currentIndexOfDisplay];
if (currentDO.uri != null) // we're dealing with a WEB Page, show the WebView instance
{
bool hw = (bool)localSettings.Values["hideWeb"];
if (hw)
{
currentDO.duration = 0;
}
videoInstance.Stop();
videoInstance.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
imageInstance.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
webViewInstance.Visibility = Windows.UI.Xaml.Visibility.Visible;
webViewInstance.Navigate(currentDO.uri);
DisplayImageWEBTimer.Interval = new TimeSpan(0, 0, currentDO.duration);
DisplayImageWEBTimer.Start();
PlayAudio();
}
else // it must be StorageFile, i.e. image or video
{
webViewInstance.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
if (imageExtensions.Contains(currentDO.file.FileType.ToLower())) // image, will start or resume audio play back
{
bool hs = (bool)localSettings.Values["hideSpecials"];
if ((currentDO.file.Name.ToLower().Contains("special")) && (hs))
{
currentDO.duration = 0;
}
videoInstance.Stop();
videoInstance.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
imageInstance.Visibility = Windows.UI.Xaml.Visibility.Visible;
imageSource = new BitmapImage(new Uri(currentDO.file.Path));
imageInstance.Width = imageSource.DecodePixelHeight = (int)this.ActualWidth;
imageInstance.Source = imageSource;
DisplayImageWEBTimer.Interval = new TimeSpan(0, 0, currentDO.duration);
DisplayImageWEBTimer.Start();
PlayAudio();
}
else // video, we'll pause audio playback
{
audioInstance.Pause();
videoInstance.Source = new Uri(currentDO.file.Path);
audioInstance.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
imageInstance.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
videoInstance.Visibility = Windows.UI.Xaml.Visibility.Visible;
videoInstance.Play();
}
}
currentIndexOfDisplay = (++currentIndexOfDisplay) % displayList.Count; // make the index in a loop
}