/// <summary>
/// Determines if the item should be processed.
/// </summary>
/// <param name="item">The <see cref="CacheItem"/> to check.</param>
/// <returns>true if the item should be processed; otherwise false.</returns>
private bool OnCanContinueProcessing(CacheRequest item)
{
CanContinueProcessingEventArgs arg = new CanContinueProcessingEventArgs(item);
context.Send(checkProcessingCallback, arg);
return(arg.ContinueProcessing);
}
/// <summary>
/// Determines if the item should be processed.
/// </summary>
/// <param name="extension">The file extension to check.</param>
/// <returns>true if the item should be processed; otherwise false.</returns>
private bool OnCanContinueProcessing(string extension)
{
CanContinueProcessingEventArgs arg = new CanContinueProcessingEventArgs(extension);
context.Send(checkProcessingCallback, arg);
return(arg.ContinueProcessing);
}
/// <summary>
/// Determines if the item should be processed.
/// </summary>
/// <param name="argument">The event argument.</param>
/// <returns>true if the item should be processed; otherwise false.</returns>
private void CanContinueProcessing(object argument)
{
CanContinueProcessingEventArgs arg = argument as CanContinueProcessingEventArgs;
CacheRequest request = arg.Request;
bool canProcess = true;
// Is it in the edit cache?
if (canProcess)
{
if (editCache.ContainsKey(request.Guid))
{
canProcess = false;
}
}
// Was the item was updated by the UI thread?
if (canProcess)
{
if (mImageListView != null && !mImageListView.IsItemDirty(request.Guid))
{
canProcess = false;
}
}
arg.ContinueProcessing = canProcess;
}
/// <summary>
/// Determines if the item should be processed.
/// </summary>
/// <param name="argument">The event argument.</param>
/// <returns>true if the item should be processed; otherwise false.</returns>
private void CanContinueProcessing(object argument)
{
CanContinueProcessingEventArgs arg = argument as CanContinueProcessingEventArgs;
CacheRequest request = arg.Request;
bool canProcess = true;
// Is it in the edit cache?
if (canProcess && editCache.ContainsKey(request.Guid))
{
canProcess = false;
}
// Is it already cached?
if (canProcess && (request.RequestType == RequestType.Thumbnail))
{
thumbCache.TryGetValue(request.Guid, out CacheItem existing);
if (existing != null &&
existing.Size == request.Size &&
existing.UseEmbeddedThumbnails == request.UseEmbeddedThumbnails &&
existing.AutoRotate == request.AutoRotate &&
existing.UseWIC == request.UseWIC)
{
canProcess = false;
}
// Is it outside the visible area?
if (canProcess && (CacheMode == CacheMode.OnDemand) &&
mImageListView != null &&
!mImageListView.IsItemVisible(request.Guid))
{
canProcess = false;
}
}
else if (canProcess && (request.RequestType == RequestType.Gallery))
{
CacheItem existing = galleryItem;
if (existing != null && existing.Guid == request.Guid && existing.Size == request.Size && existing.UseEmbeddedThumbnails == request.UseEmbeddedThumbnails && existing.AutoRotate == request.AutoRotate && existing.UseWIC == request.UseWIC)
{
canProcess = false;
}
}
else if (canProcess && (request.RequestType == RequestType.Renderer))
{
CacheItem existing = rendererItem;
if (existing != null && existing.Guid == request.Guid && existing.Size == request.Size && existing.UseEmbeddedThumbnails == request.UseEmbeddedThumbnails && existing.AutoRotate == request.AutoRotate && existing.UseWIC == request.UseWIC)
{
canProcess = false;
}
}
arg.ContinueProcessing = canProcess;
}
/// <summary>
/// Determines if the item should be processed.
/// </summary>
/// <param name="argument">The event argument.</param>
/// <returns>true if the item should be processed; otherwise false.</returns>
private void CanContinueProcessing(object argument)
{
CanContinueProcessingEventArgs arg = argument as CanContinueProcessingEventArgs;
bool canProcess = true;
// Is it already cached?
if (shellCache.TryGetValue(arg.Extension, out CacheItem existing))
{
if (existing.SmallIcon != null && existing.LargeIcon != null)
{
canProcess = false;
}
}
arg.ContinueProcessing = canProcess;
}
/// <summary>
/// Determines if the item should be processed.
/// </summary>
/// <param name="item">The <see cref="CacheItem"/> to check.</param>
/// <returns>true if the item should be processed; otherwise false.</returns>
private bool OnCanContinueProcessing(CacheRequest item)
{
CanContinueProcessingEventArgs arg = new CanContinueProcessingEventArgs(item);
context.Send(checkProcessingCallback, arg);
return arg.ContinueProcessing;
}
/// <summary>
/// Determines if the item should be processed.
/// </summary>
/// <param name="extension">The file extension to check.</param>
/// <returns>true if the item should be processed; otherwise false.</returns>
private bool OnCanContinueProcessing(string extension)
{
CanContinueProcessingEventArgs arg = new CanContinueProcessingEventArgs (extension);
context.Send (checkProcessingCallback, arg);
return arg.ContinueProcessing;
}
