public MediaPickerController GetPickPhotoUI()
{
if (!PhotosSupported)
throw new NotSupportedException();
var d = new MediaPickerDelegate (null, UIImagePickerControllerSourceType.PhotoLibrary, null);
return SetupController (d, UIImagePickerControllerSourceType.PhotoLibrary, TypeImage);
}
public MediaPickerController GetTakePhotoUI (StoreCameraMediaOptions options)
{
if (!PhotosSupported)
throw new NotSupportedException();
if (!IsCameraAvailable)
throw new NotSupportedException();
VerifyCameraOptions (options);
var d = new MediaPickerDelegate (null, UIImagePickerControllerSourceType.PhotoLibrary, options);
return SetupController (d, UIImagePickerControllerSourceType.Camera, TypeImage, options);
}
private Task<MediaFile> GetMediaAsync (UIImagePickerControllerSourceType sourceType, string mediaType, StoreCameraMediaOptions options = null)
{
UIWindow window = UIApplication.SharedApplication.KeyWindow;
if (window == null)
throw new InvalidOperationException ("There's no current active window");
UIViewController viewController = window.RootViewController;
if (viewController == null) {
window = UIApplication.SharedApplication.Windows.OrderByDescending (w => w.WindowLevel).FirstOrDefault (w => w.RootViewController != null);
if (window == null)
throw new InvalidOperationException ("Could not find current view controller");
else
viewController = window.RootViewController;
}
while (viewController.PresentedViewController != null)
viewController = viewController.PresentedViewController;
MediaPickerDelegate ndelegate = new MediaPickerDelegate (viewController, sourceType, options);
var od = Interlocked.CompareExchange (ref this.pickerDelegate, ndelegate, null);
if (od != null)
throw new InvalidOperationException ("Only one operation can be active at at time");
var picker = SetupController (ndelegate, sourceType, mediaType, options);
if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad && sourceType == UIImagePickerControllerSourceType.PhotoLibrary) {
ndelegate.Popover = new UIPopoverController (picker);
ndelegate.Popover.Delegate = new MediaPickerPopoverDelegate (ndelegate, picker);
ndelegate.DisplayPopover();
} else
viewController.PresentViewController (picker, true, null);
return ndelegate.Task.ContinueWith (t => {
if (this.popover != null) {
this.popover.Dispose();
this.popover = null;
}
Interlocked.Exchange (ref this.pickerDelegate, null);
return t;
}).Unwrap();
}
public MediaPickerController GetTakeVideoUI (StoreVideoOptions options)
{
if (!VideosSupported)
throw new NotSupportedException();
if (!IsCameraAvailable)
throw new NotSupportedException();
VerifyCameraOptions (options);
var d = new MediaPickerDelegate (null, UIImagePickerControllerSourceType.Camera, options);
return SetupController (d, UIImagePickerControllerSourceType.Camera, TypeMovie, options);
}
private static MediaPickerController SetupController (MediaPickerDelegate mpDelegate, UIImagePickerControllerSourceType sourceType, string mediaType, StoreCameraMediaOptions options = null)
{
var picker = new MediaPickerController (mpDelegate);
picker.MediaTypes = new[] { mediaType };
picker.SourceType = sourceType;
if (sourceType == UIImagePickerControllerSourceType.Camera) {
picker.CameraDevice = GetUICameraDevice (options.DefaultCamera);
if (mediaType == TypeImage)
picker.CameraCaptureMode = UIImagePickerControllerCameraCaptureMode.Photo;
else if (mediaType == TypeMovie) {
StoreVideoOptions voptions = (StoreVideoOptions)options;
picker.CameraCaptureMode = UIImagePickerControllerCameraCaptureMode.Video;
picker.VideoQuality = GetQuailty (voptions.Quality);
picker.VideoMaximumDuration = voptions.DesiredLength.TotalSeconds;
}
}
return picker;
}
private Task <MediaFile> TakeMedia(UIImagePickerControllerSourceType sourceType, string mediaType, StoreCameraMediaOptions options = null)
{
UIWindow window = UIApplication.SharedApplication.KeyWindow;
if (window == null)
{
throw new InvalidOperationException("There's no current active window");
}
UIViewController viewController = window.RootViewController;
if (viewController == null)
{
window = UIApplication.SharedApplication.Windows.OrderByDescending(w => w.WindowLevel).FirstOrDefault(w => w.RootViewController != null);
if (window == null)
{
throw new InvalidOperationException("Could not find current view controller");
}
else
{
viewController = window.RootViewController;
}
}
while (viewController.PresentedViewController != null)
{
viewController = viewController.PresentedViewController;
}
MediaPickerDelegate ndelegate = new MediaPickerDelegate(viewController, sourceType, options);
var od = Interlocked.CompareExchange(ref this.pickerDelegate, ndelegate, null);
if (od != null)
{
throw new InvalidOperationException("Only one operation can be active at at time");
}
var picker = SetupController(ndelegate, sourceType, mediaType, options);
if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad)
{
ndelegate.Popover = new UIPopoverController(picker);
ndelegate.Popover.Delegate = new MediaPickerPopoverDelegate(ndelegate, picker);
ndelegate.DisplayPopover();
}
else
{
viewController.PresentModalViewController(picker, true);
}
return(ndelegate.Task.ContinueWith(t => {
if (this.popover != null)
{
this.popover.Dispose();
this.popover = null;
}
Interlocked.Exchange(ref this.pickerDelegate, null);
return t;
}).Unwrap());
}
internal MediaPickerController(MediaPickerDelegate mpDelegate)
{
base.Delegate = mpDelegate;
}
internal MediaPickerPopoverDelegate (MediaPickerDelegate pickerDelegate, UIImagePickerController picker)
{
this.pickerDelegate = pickerDelegate;
this.picker = picker;
}
internal MediaPickerPopoverDelegate(MediaPickerDelegate pickerDelegate, UIImagePickerController picker)
{
this.pickerDelegate = pickerDelegate;
this.picker = picker;
}
internal MediaPickerController (MediaPickerDelegate mpDelegate)
{
base.Delegate = mpDelegate;
}
