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real async plugin loading

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This commit is contained in:
Paddy Xu
2017-06-04 17:26:07 +03:00
parent 86733a4d3d
commit 8bfedfc21d
4 changed files with 55 additions and 63 deletions
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40
QuickLook/MainWindowTransparent.xaml.cs
View File

@@ -16,9 +16,6 @@ namespace QuickLook
/// </summary>
public partial class MainWindowTransparent : Window
{
private string _path = string.Empty;
private IViewer _plugin;
internal MainWindowTransparent()
{
// this object should be initialized before loading UI components, because many of which are binding to it.
@@ -43,18 +40,21 @@ namespace QuickLook
ViewWindowManager.GetInstance().RunAndClosePreview();
}
public string PreviewPath { get; private set; }
public IViewer Plugin { get; private set; }
public ContextObject ContextObject { get; private set; }
internal void RunAndHide()
{
if (string.IsNullOrEmpty(_path))
if (string.IsNullOrEmpty(PreviewPath))
return;
try
{
Process.Start(new ProcessStartInfo(_path)
Process.Start(new ProcessStartInfo(PreviewPath)
{
WorkingDirectory = Path.GetDirectoryName(_path)
WorkingDirectory = Path.GetDirectoryName(PreviewPath)
});
}
catch (Exception e)
@@ -96,21 +96,21 @@ namespace QuickLook
ContextObject.Reset();
_plugin?.Cleanup();
_plugin = null;
Plugin?.Cleanup();
Plugin = null;
ProcessHelper.PerformAggressiveGC();
}
internal void BeginShow(IViewer matchedPlugin, string path)
internal void BeginShow(IViewer matchedPlugin, string path, Action<ExceptionDispatchInfo> exceptionHandler)
{
_path = path;
_plugin = matchedPlugin;
PreviewPath = path;
Plugin = matchedPlugin;
ContextObject.ViewerWindow = this;
// get window size before showing it
_plugin.Prepare(path, ContextObject);
Plugin.Prepare(path, ContextObject);
SetOpenWithButtonAndPath();
@@ -129,31 +129,27 @@ namespace QuickLook
//WindowHelper.SetActivate(new WindowInteropHelper(this), ContextObject.CanFocus);
// load plugin, do not block UI
Exception thrown = null;
Dispatcher.BeginInvoke(new Action(() =>
{
try
{
_plugin.View(path, ContextObject);
Plugin.View(path, ContextObject);
}
catch (Exception e)
{
thrown = e;
exceptionHandler(ExceptionDispatchInfo.Capture(e));
}
}),
DispatcherPriority.Render).Wait();
if (thrown != null)
ExceptionDispatchInfo.Capture(thrown).Throw();
DispatcherPriority.Input);
}
private void SetOpenWithButtonAndPath()
{
var isExe = FileHelper.GetAssocApplication(_path, out string appFriendlyName);
var isExe = FileHelper.GetAssocApplication(PreviewPath, out string appFriendlyName);
buttonOpenWith.Content = isExe == null
? Directory.Exists(_path)
? $"Browse “{Path.GetFileName(_path)}”"
? Directory.Exists(PreviewPath)
? $"Browse “{Path.GetFileName(PreviewPath)}”"
: "Open..."
: isExe == true
? $"Run “{appFriendlyName}”"