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Use cache type directly instead of a new class, decouple binarystorage and storage

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bao-qian
2017-01-13 15:40:32 +00:00
parent a5aa305773
commit 4c6c310e0a
7 changed files with 70 additions and 86 deletions
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38
Wox.Infrastructure/Image/ImageCache.cs
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@@ -1,6 +1,8 @@
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Media;
namespace Wox.Infrastructure.Image
{
@@ -8,29 +10,35 @@ namespace Wox.Infrastructure.Image
public class ImageCache
{
private const int MaxCached = 200;
public ConcurrentDictionary<string, int> TopUsedImages = new ConcurrentDictionary<string, int>();
public ConcurrentDictionary<string, int> Usage = new ConcurrentDictionary<string, int>();
private readonly ConcurrentDictionary<string, ImageSource> _data = new ConcurrentDictionary<string, ImageSource>();
public void Add(string path)
public ImageSource this[string path]
{
if (TopUsedImages.ContainsKey(path))
get
{
TopUsedImages[path] = TopUsedImages[path] + 1;
}
else
{
TopUsedImages[path] = 1;
Usage.AddOrUpdate(path, 1, (k, v) => v + 1);
var i = _data[path];
return i;
}
set { _data[path] = value; }
}
public void Cleanup()
{
if (TopUsedImages.Count > MaxCached)
{
var images = TopUsedImages.OrderByDescending(o => o.Value)
.Take(MaxCached)
.ToDictionary(i => i.Key, i => i.Value);
TopUsedImages = new ConcurrentDictionary<string, int>(images);
}
var images = Usage
.OrderByDescending(o => o.Value)
.Take(MaxCached)
.ToDictionary(i => i.Key, i => i.Value);
Usage = new ConcurrentDictionary<string, int>(images);
}
public bool ContainsKey(string key)
{
var contains = _data.ContainsKey(key);
return contains;
}
}
}