internal FileInfo(PPError result, PPFileInfo ppFileInfo)
{
QueryResult = result;
Size = ppFileInfo.size;
Type = (FileType)ppFileInfo.type;
SystemType = (FileSystemType)ppFileInfo.system_type;
/* UTC "wall clock time" according to the browser */
UTCCreationTime = PepperSharpUtils.ConvertFromPepperTimestamp(ppFileInfo.creation_time);
UTCLastAccessTime = PepperSharpUtils.ConvertFromPepperTimestamp(ppFileInfo.last_access_time);
UTCLastModifiedTime = PepperSharpUtils.ConvertFromPepperTimestamp(ppFileInfo.last_modified_time);
}
private async Task <FileInfo> QueryAsyncCore(MessageLoop messageLoop = null)
{
var tcs = new TaskCompletionSource <FileInfo>();
EventHandler <FileInfo> handler = (s, e) => { tcs.TrySetResult(e); };
try
{
HandleQuery += handler;
if (MessageLoop == null && messageLoop == null)
{
Query();
}
else
{
Action <PPError> action = new Action <PPError>((e) =>
{
var fileInfo = new PPFileInfo();
var result = (PPError)PPBFileRef.Query(this, out fileInfo,
new BlockUntilComplete()
);
tcs.TrySetResult(new FileInfo(result, fileInfo));
}
);
InvokeHelper(action, messageLoop);
}
return(await tcs.Task);
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
tcs.SetException(exc);
return(new FileInfo(PPError.Aborted, new PPFileInfo()));
}
finally
{
HandleQuery -= handler;
}
}
protected virtual void OnQuery(PPError result, PPFileInfo fileInfo) => HandleQuery?.Invoke(this, new FileInfo(result, fileInfo));
/**
* Query() queries info about a file or directory. You must have access to
* read this file or directory if it exists in the external filesystem.
*
* @param[in] file_ref A <code>PP_Resource</code> corresponding to a file
* reference.
* @param[out] info A pointer to a <code>PP_FileInfo</code> which will be
* populated with information about the file or directory.
* @param[in] callback A <code>PP_CompletionCallback</code> to be called upon
* completion of Query().
*
* @return An int32_t containing an error code from <code>pp_errors.h</code>.
*/
public static int Query(PPResource file_ref,
out PPFileInfo info,
PPCompletionCallback callback)
{
return(_Query(file_ref, out info, callback));
}
extern static int _Query(PPResource file_ref,
out PPFileInfo info,
PPCompletionCallback callback);
