/// <summary>
/// Gets an object from the user's OneDrive directory
/// </summary>
/// <param name="path">The path to the object</param>
/// <returns></returns>
public static async Task<OneDriveObject> GetObject(string path)
{
try
{
//Create a new One Drive Object
OneDriveObject curObject = new OneDriveObject();
LiveConnectClient connect = new LiveConnectClient(Session.CurSession);
LiveOperationResult operationResult = await connect.GetAsync(path);
dynamic result = operationResult.Result;
if (result != null)
{
//Create a new One Drive object from the results
curObject = new OneDriveObject(result.name, result.description, result.id, result.parent_id,
result.type, result.size, result.created_time, result.updated_time);
}
//Return our object
return curObject;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return null;
}
}
/// <summary>
/// Clear the selection for both the myfiles and shared files lists
/// </summary>
private void ClearSelection()
{
//Clear myFiles list
if (lstMyFiles.ItemsSource != null)
{
foreach (OneDriveObject item in lstMyFiles.ItemsSource)
{
item.TextColor = new SolidColorBrush(Colors.White);
}
}
//Clear sharedFiles list
if (lstSharedFiles.ItemsSource != null)
{
foreach (OneDriveObject item in lstSharedFiles.ItemsSource)
{
item.TextColor = new SolidColorBrush(Colors.White);
}
}
//Clear list selections
lstSharedFiles.SelectedItem = null;
lstMyFiles.SelectedItem = null;
//Clear "current" variables
myCurFile = null;
myCurListItem = null;
sharedCurFile = null;
sharedCurListItem = null;
Session.SharedFile = null;
}
/// <summary>
/// Handle the back key navigation
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void PhoneApplicationPage_BackKeyPress(object sender, System.ComponentModel.CancelEventArgs e)
{
try
{
//Stop playing the preview
StopMedia();
//Disable the play, share, and save buttons
appBarMediaButton.IsEnabled = false;
appBarSaveButton.IsEnabled = false;
appBarShareButton.IsEnabled = false;
//Clear curfile
myCurFile = null;
sharedCurFile = null;
//Determine what list the user is currently viewing
switch (ringtonePanorama.SelectedIndex)
{
case MyFiles:
if (myCurDirectory != null && myCurDirectory.ParentID != null)
{
//Cancel navigating away from this page
e.Cancel = true;
//Load the previous directory
myFilesList = await FetchDirectory(string.Concat(myCurDirectory.ParentID, "/files"));
lstMyFiles.ItemsSource = myFilesList;
//Set the current directory
myCurDirectory = await OneDriveObject.GetObject(myCurDirectory.ParentID);
}
break;
case SharedFiles:
if (sharedCurDirectory != null && sharedCurDirectory.ParentID != null)
{
//Cancel navigating away from this page
e.Cancel = true;
//Load the previous directory
sharedFilesList = await FetchDirectory(string.Concat(sharedCurDirectory.ParentID, "/files"));
lstSharedFiles.ItemsSource = sharedFilesList;
//Set the current directory
sharedCurDirectory = await OneDriveObject.GetObject(sharedCurDirectory.ParentID);
}
break;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// Highlight the selected item in the list
/// </summary>
/// <param name="selectedItem"></param>
/// <param name="itemList"></param>
private void HighlightSelection(OneDriveObject selectedItem, ObservableCollection<OneDriveObject> itemList)
{
//Clear existing selection
foreach (OneDriveObject item in itemList)
{
item.TextColor = new SolidColorBrush(Colors.White);
}
//Highlight selected item
selectedItem.TextColor = new SolidColorBrush(Session.AccentColor);
}
/// <summary>
/// The user selected an item in the OneDrive list
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void lstSharedDrive_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
//Exit if the selected item is null
if (lstSharedFiles.SelectedItem == null) return;
//If the selected item is the same as the current item, exit
if (lstSharedFiles.SelectedItem == sharedCurListItem) return;
//Clear the my files list selection
ClearSelectionForList(myFilesList, lstMyFiles);
//Get a referenc to the current list item
sharedCurListItem = lstSharedFiles.SelectedItem;
//Highlight the selected item
HighlightSelection((OneDriveObject)sharedCurListItem, sharedFilesList);
//Stop playing the preview
StopMedia();
//Disable the play, save, and share buttons
DisableButtons();
//Get the one drive object
OneDriveObject selectedItem = (OneDriveObject)sharedCurListItem;
//Take action based on the type of item selected
switch (selectedItem.ObjectType)
{
case "folder":
//Navigate to the folder
sharedFilesList = await FetchDirectory(string.Concat(selectedItem.ID, "/files"));
lstSharedFiles.ItemsSource = sharedFilesList;
//Set the current object
sharedCurDirectory = await OneDriveObject.GetObject(selectedItem.ID);
break;
case "audio":
//Set the current object
sharedCurFile = await OneDriveObject.GetObject(selectedItem.ID);
DownloadFile(selectedItem.ID, selectedItem.Name);
break;
}
}
/// <summary>
/// Download the selected file to local storage
/// </summary>
/// <param name="path"></param>
/// <param name="fileName"></param>
private async void DownloadFile(string path, string fileName)
{
try
{
//Get a reference to the list item
OneDriveObject lstItem = new OneDriveObject();
switch(ringtonePanorama.SelectedIndex)
{
case MyFiles:
lstItem = (OneDriveObject)lstMyFiles.SelectedItem;
break;
case SharedFiles:
lstItem = (OneDriveObject)lstSharedFiles.SelectedItem;
break;
}
Progress<LiveOperationProgress> downloadProgress = new Progress<LiveOperationProgress>(
(p) =>
{
if (lstItem != null)
{
lstItem.DownloadProgress = p.ProgressPercentage;
}
});
//Fetch the file from the user's One Drive account
LiveConnectClient downloadClient = new LiveConnectClient(Session.CurSession);
LiveDownloadOperationResult downloadResult = await downloadClient.DownloadAsync(
string.Concat(path, "/content"), CancellationToken.None, downloadProgress );
//Move the file to the apps local storage
Stream fileStream = downloadResult.Stream;
using (IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForApplication())
{
using (IsolatedStorageFileStream fileToSave = storage.OpenFile(fileName, FileMode.Create, FileAccess.ReadWrite))
{
fileStream.CopyTo(fileToSave);
fileStream.Flush();
fileStream.Close();
}
using (Stream isoStream = storage.OpenFile(fileName, FileMode.Open))
{
mediaPlayer.SetSource(isoStream);
}
}
//Clear the download progress
lstItem.DownloadProgress = 0;
//Enable the save and share buttons
appBarSaveButton.IsEnabled = true;
appBarShareButton.IsEnabled = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}