private void ShowSelectedImage(string picturePath, string pictureName)
{
var ml = new MediaLibrary();
var fSplit = picturePath.Split('\\');
PictureAlbum photoAlbum = null;
for (int i = 0; i <= fSplit.Length - 2; ++i)
{
if (photoAlbum == null && !String.Equals(fSplit[i], ml.RootPictureAlbum.Name))
continue;
photoAlbum = GetAlbum(ml.RootPictureAlbum, fSplit[i]);
}
if (photoAlbum != null)
{
var picture = photoAlbum.Pictures.Where(p => String.Equals(p.Name, pictureName)).FirstOrDefault();
if (picture != null)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
try
{
//Save individual images
var actualheight = Application.Current.Host.Content.ActualHeight;
var actualwidth = Application.Current.Host.Content.ActualWidth;
actualheight = actualheight > 800 ? 800 : actualheight;
actualwidth = actualwidth > 480 ? 480 : actualwidth;
//Create and save Dynamic Image
DynamicImageCanvas canvas = new DynamicImageCanvas(actualheight, actualwidth);
int left = 0;
int top = 0;
var image = new Image();
var imag = new BitmapImage();
imag.DecodePixelHeight = (int)actualheight;
imag.DecodePixelWidth = (int)actualwidth;
imag.SetSource(picture.GetImage());
image.Source = imag;
image.Height = actualheight;
image.Width = actualwidth;
canvas.AddImage(image, left, top);
string lockfileName;
var currentImage = Windows.Phone.System.UserProfile.LockScreen.GetImageUri();
if (currentImage.ToString().EndsWith(lockfileNameA))
{
lockfileName = lockfileNameB;
}
else
{
lockfileName = lockfileNameA;
}
using (IsolatedStorageFile myIsolatedStorage = IsolatedStorageFile.GetUserStoreForApplication())
{
if (myIsolatedStorage.FileExists(lockfileName))
{
myIsolatedStorage.DeleteFile(lockfileName);
}
using (IsolatedStorageFileStream fileStream = myIsolatedStorage.CreateFile(lockfileName))
{
WriteableBitmap wb = new WriteableBitmap(canvas, null);
// Encode WriteableBitmap object to a JPEG stream.
System.Windows.Media.Imaging.Extensions.SaveJpeg(wb, fileStream, wb.PixelWidth, wb.PixelHeight, 0, 85);
fileStream.Close();
}
canvas.Clear();
}
var schema = "ms-appdata:///Local/";
var newUri = new Uri(schema + picture.Name, UriKind.Absolute);
Windows.Phone.System.UserProfile.LockScreen.SetImageUri(newUri);
}
catch (Exception ex)
{
Debug.WriteLine(ex.StackTrace);
}
});
}
else
ShowDefaultImage();
}
else
ShowDefaultImage();
}
/// <summary>
/// Agent that runs a scheduled task
/// </summary>
/// <param name="task">
/// The invoked task
/// </param>
/// <remarks>
/// This method is called when a periodic or resource intensive task is invoked
/// </remarks>
protected override void OnInvoke(ScheduledTask task)
{
try
{
var isProvider = Windows.Phone.System.UserProfile.LockScreenManager.IsProvidedByCurrentApplication;
if (isProvider)
{
var setting = GetSetting();
if (RunNow(setting.Frequency))
{
IsolatedStorageSettings iss = IsolatedStorageSettings.ApplicationSettings;
if (iss.Contains("myPhoneLockScreenLockSettingsLastRun"))
iss.Remove("myPhoneLockScreenLockSettingsLastRun");
iss.Add("myPhoneLockScreenLockSettingsLastRun", DateTime.Now);
iss.Save();
var templates = GetTemplates();
var selectedTemplate = templates.Where(s => String.Equals(setting.Template, s.Name)).FirstOrDefault();
if (selectedTemplate == null)
selectedTemplate = templates.Where(s => String.Equals("Default", s.Name)).FirstOrDefault();
//Check for Album Selected
if (!String.IsNullOrEmpty(setting.Album))
{
//Check for Album
var ml = new MediaLibrary();
var album = GetAlbum(setting.Album, ml.RootPictureAlbum);
if (album != null)
{
//Check for Photos
List<Picture> pictures = new List<Picture>();
List<Picture> selectedPictures = new List<Picture>();
PopulatePictures(pictures, album, 3 * selectedTemplate.NoOfImages);
if (pictures.Count > 0)
{
List<int> randomNumbers = new List<int>();
var repeatCount = 0;
while (randomNumbers.Count < selectedTemplate.NoOfImages)
{
repeatCount++;
var nextNumber = randumNumber.Next(pictures.Count);
if (!randomNumbers.Contains(nextNumber) || repeatCount > 3 * selectedTemplate.NoOfImages)
{
randomNumbers.Add(nextNumber);
}
}
DynamicImageCanvas mainCanvas = null;
bool isCompleted = false;
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
var actualheight = Application.Current.Host.Content.ActualHeight;
var actualwidth = Application.Current.Host.Content.ActualWidth + 100;
actualheight = actualheight > 800 ? 800 : actualheight;
actualwidth = actualwidth > 580 ? 580 : actualwidth;
mainCanvas = new DynamicImageCanvas(actualheight, actualwidth);
isCompleted = true;
}
);
while (!isCompleted) ;
var indexer = 0;
for (int i = 0; i < selectedTemplate.NoOnVertical; ++i)
{
for (int j = 0; j < selectedTemplate.NoOnHorizontal; ++j)
{
isCompleted = false;
Action<object> action = (object obj) =>
{
var data = obj as object[];
TempPicture picture = (TempPicture)data[1];
DynamicImageCanvas c = (DynamicImageCanvas)data[2];
AddImageToCanvas((int)data[0], picture.Picture, picture.SelectedTemplate.NoOnVertical, picture.SelectedTemplate.NoOnHorizontal, picture.SelectedTemplate.NoOfImages, c, picture.PicturePlace);
isCompleted = true;
};
TempPicture tpicture = new TempPicture();
tpicture.Picture = pictures[randomNumbers[indexer]];
tpicture.SelectedTemplate = selectedTemplate;
tpicture.PicturePlace = new MyPhoneLockScreen.Model.Point(j, i);
Task t1 = new Task(action, new object[] { indexer, tpicture, mainCanvas });
t1.Start();
while (true)
{
if (isCompleted)
break;
}
indexer++;
}
}
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
try
{
string lockfileName;
var currentImage = Windows.Phone.System.UserProfile.LockScreen.GetImageUri();
if (currentImage.ToString().EndsWith(lockfileNameA))
{
lockfileName = lockfileNameB;
}
else
{
lockfileName = lockfileNameA;
}
Uri uri = new Uri(lockfileName, UriKind.Relative);
// Create virtual store and file stream. Check for duplicate tempJPEG files.
using (IsolatedStorageFile myIsolatedStorage = IsolatedStorageFile.GetUserStoreForApplication())
{
if (myIsolatedStorage.FileExists(lockfileName))
{
myIsolatedStorage.DeleteFile(lockfileName);
}
using (IsolatedStorageFileStream fileStream = myIsolatedStorage.CreateFile(lockfileName))
{
WriteableBitmap wb = new WriteableBitmap(mainCanvas, null);
wb.Invalidate();
// Encode WriteableBitmap object to a JPEG stream.
System.Windows.Media.Imaging.Extensions.SaveJpeg(wb, fileStream, wb.PixelWidth, wb.PixelHeight, 0, 100);
fileStream.Close();
mainCanvas.Clear();
}
}
mainCanvas = null;
GC.Collect();
GC.WaitForPendingFinalizers();
var schema = "ms-appdata:///Local/";
var newUri = new Uri(schema + lockfileName, UriKind.Absolute);
Windows.Phone.System.UserProfile.LockScreen.SetImageUri(newUri);
}
catch (Exception ex)
{
Debug.WriteLine(ex.StackTrace);
}
});
}
else
{
ShowPicture(setting);
}
}
else
{
ShowPicture(setting);
}
}
else
{
ShowPicture(setting);
}
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.StackTrace);
}
finally
{
//ScheduledActionService.LaunchForTest("MyPhoneLock-LockScreenChangerAgent", TimeSpan.FromSeconds(10));
NotifyComplete();
}
}
private void AddImageToCanvas(int indexer, Picture picture, int noOnVertical, int noOnHorizontal, int maxCount, DynamicImageCanvas mainCanvas, MyPhoneLockScreen.Model.Point point)
{
GC.Collect();
GC.WaitForPendingFinalizers();
bool isCompleted = false;
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
try
{
var actualheight = Application.Current.Host.Content.ActualHeight;
var actualwidth = Application.Current.Host.Content.ActualWidth;
actualheight = actualheight > 800 ? 800 : actualheight;
actualwidth = actualwidth > 480 ? 480 : actualwidth;
//Create and save Dynamic Image
var imageHeight = actualheight / noOnVertical;
var imageWidth = actualwidth / noOnHorizontal;
var left = (point.X * imageWidth) + (15 * point.X);
var top = (point.Y * imageHeight) + (15 * point.Y);
var image = new Image();
var imag = new BitmapImage();
imag.DecodePixelHeight = (int)imageHeight;
imag.DecodePixelWidth = (int)imageWidth;
imag.SetSource(picture.GetImage());
image.Source = imag;
image.Height = imageHeight;
image.Width = imageWidth;
mainCanvas.AddImage(image, left, top);
image = null;
imag = null;
}
catch (Exception ex)
{
Debug.WriteLine(ex.StackTrace);
}
finally
{
isCompleted = true;
}
});
while (true)
{
if (isCompleted)
break;
}
}