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New reactive core WIP

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This commit is contained in:
Ádám Kovács
2023-07-21 22:15:48 +02:00
parent 342fc0d047
commit b61c204e49
61 changed files with 1605 additions and 413 deletions
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84
src/Providers/FileTime.Providers.Local/LocalContentProvider.cs
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@@ -1,3 +1,4 @@
using System.Collections.ObjectModel;
using System.Runtime.InteropServices;
using DynamicData;
using FileTime.Core.ContentAccess;
@@ -36,17 +37,19 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
? new DirectoryInfo("/").GetDirectories()
: Environment.GetLogicalDrives().Select(d => new DirectoryInfo(d));
Items.Edit(actions =>
Items.Clear();
Items.AddRange(rootDirectories.Select(d => DirectoryToAbsolutePath(d, PointInTime.Present)));
/*Items.Edit(actions =>
{
actions.Clear();
actions.AddOrUpdate(rootDirectories.Select(d => DirectoryToAbsolutePath(d, PointInTime.Present)));
});
});*/
}
public override bool CanHandlePath(NativePath path)
{
var rootDrive = Items
.Items
.FirstOrDefault(r =>
path.Path.StartsWith(
GetNativePath(r.Path).Path,
@@ -71,11 +74,11 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
{
if ((path?.Length ?? 0) == 0)
{
return Task.FromResult((IItem)this);
return Task.FromResult((IItem) this);
}
else if (Directory.Exists(path))
{
return Task.FromResult((IItem)DirectoryToContainer(
return Task.FromResult((IItem) DirectoryToContainer(
new DirectoryInfo(path!.TrimEnd(Path.DirectorySeparatorChar) + Path.DirectorySeparatorChar),
pointInTime,
!itemInitializationSettings.SkipChildInitialization)
@@ -83,7 +86,7 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
}
else if (File.Exists(path))
{
return Task.FromResult((IItem)FileToElement(new FileInfo(path), pointInTime));
return Task.FromResult((IItem) FileToElement(new FileInfo(path), pointInTime));
}
var type = forceResolvePathType switch
@@ -115,10 +118,10 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
return forceResolvePathType switch
{
AbsolutePathType.Container => Task.FromResult(
(IItem)CreateEmptyContainer(
(IItem) CreateEmptyContainer(
nativePath,
pointInTime,
new List<Exception>() { innerException }
new List<Exception>() {innerException}
)
),
AbsolutePathType.Element => Task.FromResult(CreateEmptyElement(nativePath)),
@@ -132,7 +135,7 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
PointInTime pointInTime,
IEnumerable<Exception>? initialExceptions = null)
{
var exceptions = new SourceList<Exception>();
var exceptions = new ObservableCollection<Exception>();
if (initialExceptions is not null)
{
exceptions.AddRange(initialExceptions);
@@ -166,9 +169,9 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
this,
true,
pointInTime,
exceptions.Connect(),
exceptions,
new ExtensionCollection().AsReadOnly(),
new SourceCache<AbsolutePath, string>(a => a.Path.Path).Connect()
new ObservableCollection<AbsolutePath>()
);
}
@@ -202,9 +205,9 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
pointInTime,
parentFullName,
AbsolutePathType.Container);
var exceptions = new SourceList<Exception>();
var exceptions = new ObservableCollection<Exception>();
var children = new SourceCache<AbsolutePath, string>(i => i.Path.Path);
var children = new ObservableCollection<AbsolutePath>();
var container = new Container(
directoryInfo.Name,
@@ -221,27 +224,30 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
this,
true,
pointInTime,
exceptions.Connect(),
exceptions,
new ExtensionCollection().AsReadOnly(),
children.Connect().StartWithEmpty()
children
);
Task.Run(() => LoadChildren(container, directoryInfo, children, pointInTime, exceptions));
if (initializeChildren)
{
Task.Run(async () => await LoadChildren(container, directoryInfo, children, pointInTime, exceptions));
}
return container;
}
private void LoadChildren(Container container,
private async Task LoadChildren(Container container,
DirectoryInfo directoryInfo,
SourceCache<AbsolutePath, string> children,
ObservableCollection<AbsolutePath> children,
PointInTime pointInTime,
SourceList<Exception> exceptions)
ObservableCollection<Exception> exceptions)
{
var lockObj = new object();
var loadingIndicatorCancellation = new CancellationTokenSource();
Task.Run(DelayedLoadingIndicator);
LoadChildren();
Task.Run(async () => await DelayedLoadingIndicator());
await LoadChildrenInternal();
lock (lockObj)
{
@@ -249,28 +255,44 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
container.StopLoading();
}
void LoadChildren()
Task LoadChildrenInternal()
{
try
{
foreach (var directory in directoryInfo.EnumerateDirectories())
{
if (container.LoadingCancellationToken.IsCancellationRequested) break;
var absolutePath = DirectoryToAbsolutePath(directory, pointInTime);
children.AddOrUpdate(absolutePath);
try
{
if (container.LoadingCancellationToken.IsCancellationRequested) break;
var absolutePath = DirectoryToAbsolutePath(directory, pointInTime);
children.Add(absolutePath);
}
catch (Exception e)
{
exceptions.Add(e);
}
}
foreach (var file in directoryInfo.EnumerateFiles())
{
if (container.LoadingCancellationToken.IsCancellationRequested) break;
var absolutePath = FileToAbsolutePath(file, pointInTime);
children.AddOrUpdate(absolutePath);
try
{
if (container.LoadingCancellationToken.IsCancellationRequested) break;
var absolutePath = FileToAbsolutePath(file, pointInTime);
children.Add(absolutePath);
}
catch (Exception e)
{
exceptions.Add(e);
}
}
}
catch (Exception e)
{
exceptions.Add(e);
}
return Task.CompletedTask;
}
async Task DelayedLoadingIndicator()
@@ -278,7 +300,7 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
var token = loadingIndicatorCancellation.Token;
try
{
await Task.Delay(500, token);
await Task.Delay(2000, token);
}
catch
{
@@ -330,7 +352,7 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
GetFileAttributes(fileInfo),
this,
pointInTime,
new SourceList<Exception>().Connect(),
new ObservableCollection<Exception>(),
extensions.AsReadOnly()
);
}
@@ -375,7 +397,7 @@ public sealed partial class LocalContentProvider : ContentProviderBase, ILocalCo
var finalSize = size switch
{
> int.MaxValue => int.MaxValue,
_ => (int)size
_ => (int) size
};
var buffer = new byte[finalSize];
var realSize = await reader.ReadAsync(buffer.AsMemory(0, finalSize), cancellationToken);