private MediaResult CreateResult(PickerOperation operation, NSDictionary <NSString, iOSObjectProxy> info)
{
if (info == null)
{
return(null);
}
switch (Operation)
{
case PickerOperation.PickGallery:
// User can either pick an image or a video
NSURL pickedURL = null;
if (TryGetUrl(info, UIImagePickerController.UIImagePickerControllerImageURL, out pickedURL))
{
return(new MediaResult(MediaType.Image, null, pickedURL.AbsoluteString.UTF8String));
}
else if (TryGetUrl(info, UIImagePickerController.UIImagePickerControllerMediaURL, out pickedURL))
{
return(new MediaResult(MediaType.Video, null, pickedURL.AbsoluteString.UTF8String));
}
else
{
return(null);
}
case PickerOperation.TakePicture:
// Get the newly taken image, save it into the into user temporary folder and return the URL.
// The image name will be "IMG_" + timestamp and format is JPG.
UIImage picture = (UIImage)info.ValueForKey(UIImagePickerController.UIImagePickerControllerOriginalImage,
ptr => PInvokeUtil.IsNull(ptr) ? null : new UIImage(ptr));
if (picture == null)
{
Debug.LogError("Couldn't get the taken picture.");
return(null);
}
// Save the image into user temporary folder and return the URL.
NSString tempDir = NSFileManager.NSTemporaryDirectory();
if (tempDir == null)
{
Debug.LogError("Couldn't find the path of user's temporary directory.");
return(null);
}
// The image name is "IMG_" + timestamp and format is JPG.
NSString pictureName = NSString.StringWithUTF8String("IMG_" + DateTime.Now.ToString("yyyyMMddHHmmssfff") + ".jpg");
NSURL pictureURL = NSURL.FileURLWithPath(tempDir).URLByAppendingPathComponent(pictureName);
if (pictureURL != null)
{
NSData imageData = UIFunctions.UIImageJPEGRepresentation(picture, 1f);
NSFileManager.DefaultManager.CreateFileAtPath(pictureURL.Path, imageData, null);
return(new MediaResult(MediaType.Image, null, pictureURL.AbsoluteString.UTF8String));
}
else
{
return(null);
}
case PickerOperation.RecordVideo:
NSURL videoURL = null;
if (TryGetUrl(info, UIImagePickerController.UIImagePickerControllerMediaURL, out videoURL))
{
return(new MediaResult(MediaType.Video, null, videoURL.AbsoluteString.UTF8String));
}
else
{
return(null);
}
default:
return(null);
}
}
internal InternalUIImagePickerControllerDelegate(PickerOperation op)
{
Operation = op;
}