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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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QuickLook/ViewWindowManager.cs
+34 -39
View File
@@ -4,6 +4,7 @@ using System.IO;
using System.Runtime.ExceptionServices;
using System.Windows;
using System.Windows.Forms;
using System.Windows.Threading;
using QuickLook.Helpers;
using QuickLook.Plugin;
@@ -123,8 +124,8 @@ namespace QuickLook
private void SwitchPreviewRemoteInvoke(HeartbeatEventArgs e)
{
// sleep for 1.5s
if (e.InvokeTick - _lastSwitchTick < 1.5 * TimeSpan.TicksPerSecond)
// sleep for 0.6s
if (e.InvokeTick - _lastSwitchTick < 0.6 * TimeSpan.TicksPerSecond)
return;
if (e.FocusedFile == _path)
@@ -135,7 +136,7 @@ namespace QuickLook
if (string.IsNullOrEmpty(e.FocusedFile))
return;
_currentMainWindow?.Dispatcher.Invoke(() => SwitchPreview());
_currentMainWindow?.Dispatcher.BeginInvoke(new Action(SwitchPreview), DispatcherPriority.ApplicationIdle);
}
private void RunFocusMonitor()
@@ -158,59 +159,53 @@ namespace QuickLook
internal bool InvokeViewer(string path = null)
{
if (path == null)
path = _path;
if (path != null)
_path = path;
if (string.IsNullOrEmpty(path))
if (string.IsNullOrEmpty(_path))
return false;
if (!Directory.Exists(path) && !File.Exists(path))
if (!Directory.Exists(_path) && !File.Exists(_path))
return false;
RunFocusMonitor();
var matchedPlugin = PluginManager.GetInstance().FindMatch(path);
var matchedPlugin = PluginManager.GetInstance().FindMatch(_path);
BeginShowNewWindow(matchedPlugin, path);
BeginShowNewWindow(matchedPlugin);
return true;
}
private void BeginShowNewWindow(IViewer matchedPlugin, string path)
private void BeginShowNewWindow(IViewer matchedPlugin)
{
try
{
_currentMainWindow.UnloadPlugin();
_currentMainWindow.UnloadPlugin();
// switch window
var oldWindow = _currentMainWindow;
_currentMainWindow = matchedPlugin.AllowsTransparency
? _viewWindowTransparentTransparent
: _viewWindowNoTransparent;
if (!ReferenceEquals(oldWindow, _currentMainWindow))
oldWindow.BeginHide();
// switch window
var oldWindow = _currentMainWindow;
_currentMainWindow = matchedPlugin.AllowsTransparency
? _viewWindowTransparentTransparent
: _viewWindowNoTransparent;
if (!ReferenceEquals(oldWindow, _currentMainWindow))
oldWindow.BeginHide();
_currentMainWindow.BeginShow(matchedPlugin, path);
}
catch (Exception e) // if current plugin failed, switch to default one.
{
_currentMainWindow.BeginHide();
_currentMainWindow.BeginShow(matchedPlugin, _path, CurrentPluginFailed);
}
TrayIconManager.GetInstance().ShowNotification("", $"Failed to preview {Path.GetFileName(path)}", true);
private void CurrentPluginFailed(ExceptionDispatchInfo e)
{
var plugin = _currentMainWindow.Plugin.GetType();
Debug.WriteLine(e.ToString());
Debug.WriteLine(e.StackTrace);
_currentMainWindow.BeginHide();
if (matchedPlugin != PluginManager.GetInstance().DefaultPlugin)
{
matchedPlugin.Cleanup();
matchedPlugin = PluginManager.GetInstance().DefaultPlugin;
BeginShowNewWindow(matchedPlugin, path);
}
else
{
ExceptionDispatchInfo.Capture(e).Throw();
}
}
TrayIconManager.GetInstance().ShowNotification("", $"Failed to preview {Path.GetFileName(_path)}", true);
Debug.WriteLine(e.ToString());
Debug.WriteLine(e.SourceException.StackTrace);
if (plugin != PluginManager.GetInstance().DefaultPlugin.GetType())
BeginShowNewWindow(PluginManager.GetInstance().DefaultPlugin);
else
e.Throw();
}
internal static ViewWindowManager GetInstance()