/// <summary>
/// Wipes camera roll contents on this device.
/// </summary>
/// <returns>Task object used for tracking method completion.</returns>
internal async Task WipeCameraRollAsync()
{
if (this.IsConnected && this.IsSelected)
{
try
{
MrcFileList fileList = await this.deviceMonitor.GetMixedRealityFileListAsync();
foreach (MrcFileInformation fileInfo in fileList.Files)
{
await this.deviceMonitor.DeleteMixedRealityFile(fileInfo.FileName);
}
this.StatusMessage = "Camera roll wiped successfully.";
}
catch (Exception e)
{
this.StatusMessage = string.Format("Unable to delete all camera roll files. {0} ", e.Message);
}
}
}
/// <summary>
/// Gets the list of capture files
/// </summary>
/// <returns>List of the capture files</returns>
/// <remarks>This method is only supported on HoloLens.</remarks>
public async Task <MrcFileList> GetMrcFileListAsync()
{
if (!Utilities.IsHoloLens(this.Platform, this.DeviceFamily))
{
throw new NotSupportedException("This method is only supported on HoloLens.");
}
MrcFileList mrcFileList = await this.GetAsync <MrcFileList>(MrcFileListApi);
foreach (MrcFileInformation mfi in mrcFileList.Files)
{
try
{
mfi.Thumbnail = await this.GetMrcThumbnailDataAsync(mfi.FileName);
}
catch
{
}
}
return(mrcFileList);
}
public void GetMrcFileList_HoloLens_1607()
{
TestHelpers.MockHttpResponder.AddMockResponse(
DevicePortal.MrcFileListApi,
this.PlatformType,
this.FriendlyOperatingSystemVersion,
HttpMethods.Get);
Task <MrcFileList> getTask = TestHelpers.Portal.GetMrcFileList();
getTask.Wait();
Assert.AreEqual(TaskStatus.RanToCompletion, getTask.Status);
// Check some known things about this response.
MrcFileList fileList = getTask.Result;
Assert.AreEqual(4, fileList.Files.Count);
Assert.AreEqual(131139576909916579, fileList.Files[1].CreationTimeRaw);
Assert.AreEqual("20160725_150130_HoloLens.jpg", fileList.Files[1].FileName);
Assert.AreEqual((uint)290929, fileList.Files[1].FileSize);
}
/// <summary>
/// Downloads mixed reality files from the HoloLens.
/// </summary>
/// <param name="parentFolder">The parent folder which will contain the HoloLens specific folder.</param>
/// <param name="deleteAfterDownload">Value indicating whether or not files are to be deleted
/// from the HoloLens after they have been downloaded.</param>
/// <returns>The name of the folder in to which the files were downloaded.</returns>
internal async Task <string> GetMixedRealityFilesAsync(
StorageFolder parentFolder,
bool deleteAfterDownload)
{
string folderName = null;
if (this.IsConnected && this.IsSelected)
{
try
{
MrcFileList fileList = await this.holoLensMonitor.GetMixedRealityFileListAsync();
if (fileList.Files.Count != 0)
{
// Create the folder for this HoloLens' files.
StorageFolder folder = await parentFolder.CreateFolderAsync(
(string.IsNullOrWhiteSpace(this.Name) ? this.Address : this.Name),
CreationCollisionOption.OpenIfExists);
folderName = folder.Name;
foreach (MrcFileInformation fileInfo in fileList.Files)
{
try
{
byte[] fileData = await this.holoLensMonitor.GetMixedRealityFileAsync(fileInfo.FileName);
StorageFile file = await folder.CreateFileAsync(
fileInfo.FileName,
CreationCollisionOption.ReplaceExisting);
using (Stream stream = await file.OpenStreamForWriteAsync())
{
await stream.WriteAsync(fileData, 0, fileData.Length);
await stream.FlushAsync();
}
this.StatusMessage = string.Format(
"{0} downloaded",
fileInfo.FileName);
if (deleteAfterDownload)
{
await this.holoLensMonitor.DeleteMixedRealityFile(fileInfo.FileName);
}
}
catch (Exception e)
{
this.StatusMessage = string.Format(
"Failed to download {0} - {1}",
fileInfo.FileName,
e.Message);
}
}
}
}
catch (Exception e)
{
this.StatusMessage = string.Format(
"Failed to get mixed reality files - {0}",
e.Message);
}
}
return(folderName);
}
