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Slideshow ModlistImage made into a derivative OaPH

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This commit is contained in:
Justin Swanson 2019-10-27 23:36:46 -05:00
parent 46dbb0e1aa
commit b71d5c76a2
1 changed files with 37 additions and 39 deletions
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76
Wabbajack/View Models/SlideShow.cs
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@ -1,4 +1,4 @@
using ReactiveUI;
using ReactiveUI;
using Splat;
using System;
using System.Collections.Generic;
@ -48,6 +48,9 @@ namespace Wabbajack
private BitmapImage _Image;
public BitmapImage Image { get => _Image; set => this.RaiseAndSetIfChanged(ref _Image, value); }
private readonly ObservableAsPropertyHelper<BitmapImage> _ModlistImage;
public BitmapImage ModlistImage => _ModlistImage.Value;
private string _ModName = "Wabbajack";
public string ModName { get => _ModName; set => this.RaiseAndSetIfChanged(ref _ModName, value); }
@ -89,53 +92,48 @@ namespace Wabbajack
})
.DisposeWith(this.CompositeDisposable);
// Update splashscreen when modlist changes
Observable.CombineLatest(
(this).WhenAny(x => x.Installer.ModList),
(this).WhenAny(x => x.Installer.ModListPath),
(this).WhenAny(x => x.Enable),
(modList, modListPath, enabled) => (modList, modListPath, enabled))
// Do any potential unzipping on a background thread
this._ModlistImage = Observable.CombineLatest(
this.WhenAny(x => x.Installer.ModList),
this.WhenAny(x => x.Installer.ModListPath),
(modList, modListPath) => (modList, modListPath))
.ObserveOn(RxApp.TaskpoolScheduler)
.Select(u =>
{
if (u.enabled
&& u.modList != null
&& u.modListPath != null
&& File.Exists(u.modListPath)
&& !string.IsNullOrEmpty(u.modList.Image)
&& u.modList.Image.Length == 36)
if (u.modList == null
|| u.modListPath == null
|| !File.Exists(u.modListPath)
|| string.IsNullOrEmpty(u.modList.Image)
|| u.modList.Image.Length != 36)
{
try
return default(BitmapImage);
}
try
{
using (var fs = new FileStream(u.modListPath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var ar = new ZipArchive(fs, ZipArchiveMode.Read))
using (var ms = new MemoryStream())
{
using (var fs = new FileStream(u.modListPath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var ar = new ZipArchive(fs, ZipArchiveMode.Read))
using (var ms = new MemoryStream())
{
var entry = ar.GetEntry(u.modList.Image);
using (var e = entry.Open())
e.CopyTo(ms);
var image = new BitmapImage();
image.BeginInit();
image.CacheOption = BitmapCacheOption.OnLoad;
image.StreamSource = ms;
image.EndInit();
image.Freeze();
var entry = ar.GetEntry(u.modList.Image);
using (var e = entry.Open())
e.CopyTo(ms);
var image = new BitmapImage();
image.BeginInit();
image.CacheOption = BitmapCacheOption.OnLoad;
image.StreamSource = ms;
image.EndInit();
image.Freeze();
return image;
}
}
catch (Exception ex)
{
this.Log().Warn(ex, "Error loading splash image.");
return image;
}
}
return this.WabbajackLogo;
catch (Exception ex)
{
this.Log().Warn(ex, "Error loading modlist splash image.");
return default(BitmapImage);
}
})
.ObserveOn(RxApp.MainThreadScheduler)
.StartWith(this.WabbajackLogo)
.Subscribe(bitmap => this.Image = bitmap)
.DisposeWith(this.CompositeDisposable);
.ObserveOnGuiThread()
.ToProperty(this, nameof(this.ModlistImage));
/// Wire slideshow updates
// Merge all the sources that trigger a slideshow update