public static void MakeGlobalDefault(this AccessDenialResponse accessDenialResponse)
{
if (accessDenialResponse != AccessDenialResponse.GlobalDefault)
{
PlatformDelegate.DefaultAccessDenialResponse = accessDenialResponse;
}
}
/*
#region Private Methods
* internal override async Task<bool> RequestAccess(string message)
* {
* if (await base.RequestAccess(message))
* {
* if (await FilePicker.PickSingleFileAsync(this) is IStorageFile iStorageFile && iStorageFile is StorageFile storageFile)
* {
* Url = storageFile.Url;
* Bookmark = BookmarkExtensions.GetOrCreateBookmark(Url);
* return CanWrite();
* }
* }
* return false;
* }
#endregion
*/
#region IStorageFile
#region Check Access
/*
* public async Task<bool> CanRead()
* {
* var result = NSFileManager.DefaultManager.IsReadableFile(Path);
* return result;
* }
*
* public bool CanWrite()
* {
* var result = NSFileManager.DefaultManager.IsWritableFile(Path);
* return result;
* }
*/
internal async Task <bool> StartReadAccess(Action action = null)
{
if (!await StartAccess())
{
return(false);
}
var accessDenialResponse = AccessDenialResponse.Value();
if (!CanRead && accessDenialResponse == AccessDenialResponse.RequestAccess)
{
await RequestAccess(Path);
}
if (!CanRead)
{
if (action != null)
{
action.Invoke();
}
StopAccess();
if (accessDenialResponse == AccessDenialResponse.Exception)
{
ThrowAccessException();
}
return(false);
}
return(true);
}
public static AccessDenialResponse Value(this AccessDenialResponse accessDenialResponse)
{
if (accessDenialResponse == AccessDenialResponse.GlobalDefault || accessDenialResponse == AccessDenialResponse.Exception)
{
return(PlatformDelegate.DefaultAccessDenialResponse);
}
//return AccessDenialResponse.RequestAccess;
return(accessDenialResponse);
}
internal async Task <bool> StartWriteAccess(Action action = null)
{
if (!Exists() && GetParent() is StorageFolder folder)
{
if (folder.CanWrite)
{
return(true);
}
await folder.RequestAccess(folder.Path);
return(folder.CanWrite);
}
if (!await StartAccess())
{
return(false);
}
var accessDenialResponse = AccessDenialResponse.Value();
if (!CanWrite && accessDenialResponse == AccessDenialResponse.RequestAccess)
{
await RequestAccess(Path);
}
if (!CanWrite)
{
if (action != null)
{
action.Invoke();
}
StopAccess();
if (accessDenialResponse == AccessDenialResponse.Exception)
{
ThrowAccessException();
}
return(false);
}
return(true);
}
