/// <summary>
/// Handles result of video recording tasks
/// </summary>
/// <param name="sender"></param>
/// <param name="e">stores information about current captured video</param>
private void videoRecordingTask_Completed(object sender, VideoResult e)
{
if (e.Error != null)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR));
return;
}
switch (e.TaskResult)
{
case TaskResult.OK:
try
{
// Get image data
MediaFile data = new MediaFile(e.VideoFileName, e.VideoFile);
this.files.Add(data);
if (files.Count < this.captureVideoOptions.Limit)
{
videoCaptureTask.Show();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files));
files.Clear();
}
}
catch (Exception)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Error capturing video."));
}
break;
case TaskResult.Cancel:
if (files.Count > 0)
{
// User canceled operation, but some video clips were made
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files));
files.Clear();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Canceled."));
}
break;
default:
if (files.Count > 0)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files));
files.Clear();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Did not complete!"));
}
break;
}
}
/// <summary>
/// Resaves video clip from temporary directory to persistent
/// </summary>
private VideoResult SaveVideoClip()
{
try
{
using (IsolatedStorageFile isoFile = IsolatedStorageFile.GetUserStoreForApplication())
{
if (string.IsNullOrEmpty(filePath) || (!isoFile.FileExists(filePath)))
{
return(new VideoResult(TaskResult.Cancel));
}
string fileName = String.Format(FileNameFormat, Guid.NewGuid().ToString());
string newPath = Path.Combine("/" + LocalFolderName + "/", fileName);
isoFile.CopyFile(filePath, newPath);
isoFile.DeleteFile(filePath);
memoryStream = new MemoryStream();
using (IsolatedStorageFileStream fileStream = new IsolatedStorageFileStream(newPath, FileMode.Open, isoFile))
{
fileStream.CopyTo(memoryStream);
}
VideoResult result = new VideoResult(TaskResult.OK);
result.VideoFileName = newPath;
result.VideoFile = this.memoryStream;
result.VideoFile.Seek(0, SeekOrigin.Begin);
return(result);
}
}
catch (Exception)
{
return(new VideoResult(TaskResult.None));
}
}
/// <summary>
/// Sets the recording state: display the video on the viewfinder.
/// </summary>
private void StartVideoPreview()
{
try
{
if ((captureSource.VideoCaptureDevice != null) && (captureSource.State == CaptureState.Stopped))
{
videoRecorderBrush.SetSource(captureSource);
viewfinderRectangle.Fill = videoRecorderBrush;
captureSource.Start();
this.UpdateUI(VideoState.Ready);
}
}
catch (Exception)
{
this.result = new VideoResult(TaskResult.None);
this.NavigateBack();
}
}
/// <summary>
/// Sets the recording state: stop recording
/// </summary>
private void StopVideoRecording()
{
try
{
if ((captureSource.VideoCaptureDevice != null) && (captureSource.State == CaptureState.Started))
{
captureSource.Stop();
fileSink.CaptureSource = null;
fileSink.IsolatedStorageFileName = null;
this.StartVideoPreview();
}
}
catch (Exception)
{
this.result = new VideoResult(TaskResult.None);
this.NavigateBack();
}
}
/// <summary>
/// Sets recording state: start recording
/// </summary>
private void StartVideoRecording()
{
try
{
if ((captureSource.VideoCaptureDevice != null) && (captureSource.State == CaptureState.Started))
{
captureSource.Stop();
fileSink.CaptureSource = captureSource;
filePath = System.IO.Path.Combine("/" + LocalFolderName + "/", defaultFileName);
using (IsolatedStorageFile isoFile = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!isoFile.DirectoryExists(LocalFolderName))
{
isoFile.CreateDirectory(LocalFolderName);
}
if (isoFile.FileExists(filePath))
{
isoFile.DeleteFile(filePath);
}
}
fileSink.IsolatedStorageFileName = filePath;
}
if (captureSource.VideoCaptureDevice != null &&
captureSource.State == CaptureState.Stopped)
{
captureSource.Start();
}
this.UpdateUI(VideoState.Recording);
}
catch (Exception)
{
this.result = new VideoResult(TaskResult.None);
this.NavigateBack();
}
}
/// <summary>
/// Handles TakeVideo button click
/// </summary>
private void TakeVideo_Click(object sender, EventArgs e)
{
this.result = this.SaveVideoClip();
this.NavigateBack();
}
/// <summary>
/// Sets the recording state: stop recording
/// </summary>
private void StopVideoRecording()
{
try
{
if ((captureSource.VideoCaptureDevice != null) && (captureSource.State == CaptureState.Started))
{
captureSource.Stop();
fileSink.CaptureSource = null;
fileSink.IsolatedStorageFileName = null;
this.StartVideoPreview();
}
}
catch (Exception)
{
this.result = new VideoResult(TaskResult.None);
this.NavigateBack();
}
}
/// <summary>
/// Sets recording state: start recording
/// </summary>
private void StartVideoRecording()
{
try
{
if ((captureSource.VideoCaptureDevice != null) && (captureSource.State == CaptureState.Started))
{
captureSource.Stop();
fileSink.CaptureSource = captureSource;
filePath = System.IO.Path.Combine("/" + LocalFolderName + "/", defaultFileName);
using(IsolatedStorageFile isoFile = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!isoFile.DirectoryExists(LocalFolderName))
{
isoFile.CreateDirectory(LocalFolderName);
}
if (isoFile.FileExists(filePath))
{
isoFile.DeleteFile(filePath);
}
}
fileSink.IsolatedStorageFileName = filePath;
}
if (captureSource.VideoCaptureDevice != null
&& captureSource.State == CaptureState.Stopped)
{
captureSource.Start();
}
this.UpdateUI(VideoState.Recording);
}
catch (Exception)
{
this.result = new VideoResult(TaskResult.None);
this.NavigateBack();
}
}
/// <summary>
/// Sets the recording state: display the video on the viewfinder.
/// </summary>
private void StartVideoPreview()
{
try
{
if ((captureSource.VideoCaptureDevice != null) && (captureSource.State == CaptureState.Stopped))
{
videoRecorderBrush.SetSource(captureSource);
viewfinderRectangle.Fill = videoRecorderBrush;
captureSource.Start();
this.UpdateUI(VideoState.Ready);
}
}
catch (Exception)
{
this.result = new VideoResult(TaskResult.None);
this.NavigateBack();
}
}
/// <summary>
/// Resaves video clip from temporary directory to persistent
/// </summary>
private VideoResult SaveVideoClip()
{
try
{
using (IsolatedStorageFile isoFile = IsolatedStorageFile.GetUserStoreForApplication())
{
if (string.IsNullOrEmpty(filePath) || (!isoFile.FileExists(filePath)))
{
return new VideoResult(TaskResult.Cancel);
}
string fileName = String.Format(FileNameFormat, Guid.NewGuid().ToString());
string newPath = Path.Combine("/" + LocalFolderName + "/", fileName);
isoFile.CopyFile(filePath,newPath);
isoFile.DeleteFile(filePath);
memoryStream = new MemoryStream();
using (IsolatedStorageFileStream fileStream = new IsolatedStorageFileStream(newPath,FileMode.Open,isoFile))
{
fileStream.CopyTo(memoryStream);
}
VideoResult result = new VideoResult(TaskResult.OK);
result.VideoFileName = newPath;
result.VideoFile = this.memoryStream;
result.VideoFile.Seek(0, SeekOrigin.Begin);
return result;
}
}
catch (Exception)
{
return new VideoResult(TaskResult.None);
}
}
/// <summary>
/// Handles result of video recording tasks
/// </summary>
/// <param name="sender"></param>
/// <param name="e">stores information about current captured video</param>
private void videoRecordingTask_Completed(object sender, VideoResult e)
{
if (e.Error != null)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR));
return;
}
switch (e.TaskResult)
{
case TaskResult.OK:
try
{
// Get image data
MediaFile data = new MediaFile(e.VideoFileName, e.VideoFile);
this.files.Add(data);
if (files.Count < this.captureVideoOptions.Limit)
{
videoCaptureTask.Show();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files));
files.Clear();
}
}
catch (Exception)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Error capturing video."));
}
break;
case TaskResult.Cancel:
if (files.Count > 0)
{
// User canceled operation, but some video clips were made
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files));
files.Clear();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Canceled."));
}
break;
default:
if (files.Count > 0)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files));
files.Clear();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Did not complete!"));
}
break;
}
}
/// <summary>
/// Handles TakeVideo button click
/// </summary>
private void TakeVideo_Click(object sender, EventArgs e)
{
this.result = this.SaveVideoClip();
this.NavigateBack();
}