better and faster window resize; Add "AllowsTransparency" to plugin interface; Use IPreviewHandler for Office files

This commit is contained in:
Paddy Xu
2017-05-21 22:02:42 +03:00
parent e0a7f38d58
commit e450971217
36 changed files with 533 additions and 409 deletions

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using System.Runtime.InteropServices;
namespace QuickLook.Plugin.IPreviewHandlers
{
[ComImport]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
[Guid("b7d14566-0509-4cce-a71f-0a554233bd9b")]
internal interface IInitializeWithFile
{
void Initialize([MarshalAs(UnmanagedType.LPWStr)] string pszFilePath, uint grfMode);
}
}

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using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace QuickLook.Plugin.IPreviewHandlers
{
[ComImport]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
[Guid("8895b1c6-b41f-4c1c-a562-0d564250836f")]
internal interface IPreviewHandler
{
void SetWindow(IntPtr hwnd, ref Rectangle rect);
void SetRect(ref Rectangle rect);
void DoPreview();
void Unload();
void SetFocus();
void QueryFocus(out IntPtr phwnd);
[PreserveSig]
uint TranslateAccelerator(ref Message pmsg);
}
}

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using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Interop;
namespace QuickLook.Plugin.IPreviewHandlers
{
public class PluginInterface : IViewer
{
private PreviewPanel _panel;
public int Priority => int.MaxValue;
public bool AllowsTransparency => false;
public bool CanHandle(string path)
{
if (Directory.Exists(path))
return false;
switch (Path.GetExtension(path).ToLower())
{
case ".doc":
case ".docx":
case ".xls":
case ".xlsx":
case ".xlsm":
// Visio Viewer will not quit after preview, which cause serious memory issue
//case ".vsd":
//case ".vsdx":
case ".ppt":
case ".pptx":
return true;
}
return false;
}
public void Prepare(string path, ContextObject context)
{
context.SetPreferredSizeFit(new Size {Width = 800, Height = 800}, 0.8);
}
public void View(string path, ContextObject context)
{
_panel = new PreviewPanel();
context.ViewerContent = _panel;
context.Title = Path.GetFileName(path);
_panel.Loaded += (sender, e) =>
{
_panel.PreviewFile(path);
SetForegroundWindow(new WindowInteropHelper(context.ViewerWindow).Handle);
};
context.IsBusy = false;
}
public void Cleanup()
{
GC.SuppressFinalize(this);
_panel?.Dispose();
_panel = null;
}
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool SetForegroundWindow(IntPtr hWnd);
~PluginInterface()
{
Cleanup();
}
}
}

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// Preview Handlers Revisted
// Bradley Smith - 2010/09/17, updated 2013/10/14
using System;
using System.ComponentModel;
using System.Drawing;
using System.IO;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using Microsoft.Win32;
namespace QuickLook.Plugin.IPreviewHandlers
{
/// <summary>
/// A Windows Forms host for Preview Handlers.
/// </summary>
public class PreviewHandlerHost : Control
{
/// <summary>
/// The GUID for the IShellItem interface.
/// </summary>
internal const string GuidIshellitem = "43826d1e-e718-42ee-bc55-a1e261c37bfe";
private IPreviewHandler _mCurrentPreviewHandler;
/// <summary>
/// Initialialises a new instance of the PreviewHandlerHost class.
/// </summary>
public PreviewHandlerHost()
{
Size = new Size(320, 240);
}
/// <summary>
/// Gets the GUID of the current preview handler.
/// </summary>
[Browsable(false)]
[ReadOnly(true)]
public Guid CurrentPreviewHandler { get; private set; } = Guid.Empty;
/// <summary>
/// Releases the unmanaged resources used by the PreviewHandlerHost and optionally releases the managed resources.
/// </summary>
/// <param name="disposing"></param>
protected override void Dispose(bool disposing)
{
UnloadPreviewHandler();
if (_mCurrentPreviewHandler != null)
{
Marshal.FinalReleaseComObject(_mCurrentPreviewHandler);
_mCurrentPreviewHandler = null;
GC.Collect();
}
base.Dispose(disposing);
}
/// <summary>
/// Returns the GUID of the preview handler associated with the specified file.
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
private Guid GetPreviewHandlerGUID(string filename)
{
// open the registry key corresponding to the file extension
var ext = Registry.ClassesRoot.OpenSubKey(Path.GetExtension(filename));
if (ext != null)
{
// open the key that indicates the GUID of the preview handler type
var test = ext.OpenSubKey("shellex\\{8895b1c6-b41f-4c1c-a562-0d564250836f}");
if (test != null) return new Guid(Convert.ToString(test.GetValue(null)));
// sometimes preview handlers are declared on key for the class
var className = Convert.ToString(ext.GetValue(null));
if (className != null)
{
test = Registry.ClassesRoot.OpenSubKey(
className + "\\shellex\\{8895b1c6-b41f-4c1c-a562-0d564250836f}");
if (test != null) return new Guid(Convert.ToString(test.GetValue(null)));
}
}
return Guid.Empty;
}
/// <summary>
/// Resizes the hosted preview handler when this PreviewHandlerHost is resized.
/// </summary>
/// <param name="e"></param>
protected override void OnResize(EventArgs e)
{
base.OnResize(e);
var r = ClientRectangle;
_mCurrentPreviewHandler?.SetRect(ref r);
}
/// <summary>
/// Opens the specified file using the appropriate preview handler and displays the result in this PreviewHandlerHost.
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public bool Open(string path)
{
UnloadPreviewHandler();
if (string.IsNullOrEmpty(path))
return false;
// try to get GUID for the preview handler
var guid = GetPreviewHandlerGUID(path);
if (guid == Guid.Empty)
return false;
CurrentPreviewHandler = guid;
var o = Activator.CreateInstance(Type.GetTypeFromCLSID(CurrentPreviewHandler, true));
var fileInit = o as IInitializeWithFile;
if (fileInit == null)
return false;
fileInit.Initialize(path, 0);
_mCurrentPreviewHandler = o as IPreviewHandler;
if (_mCurrentPreviewHandler == null)
return false;
// bind the preview handler to the control's bounds and preview the content
var r = ClientRectangle;
_mCurrentPreviewHandler.SetWindow(Handle, ref r);
_mCurrentPreviewHandler.DoPreview();
return true;
}
/// <summary>
/// Unloads the preview handler hosted in this PreviewHandlerHost and closes the file stream.
/// </summary>
public void UnloadPreviewHandler()
{
try
{
_mCurrentPreviewHandler?.Unload();
}
catch (Exception)
{
// ignored
}
}
}
#region COM Interop
#endregion
}

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<UserControl x:Class="QuickLook.Plugin.IPreviewHandlers.PreviewPanel"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
mc:Ignorable="d"
x:Name="panel"
d:DesignHeight="300" d:DesignWidth="300">
<Grid>
<WindowsFormsHost x:Name="presenter" />
</Grid>
</UserControl>

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using System;
using System.Runtime.InteropServices;
using System.Windows.Controls;
namespace QuickLook.Plugin.IPreviewHandlers
{
/// <summary>
/// Interaction logic for PreviewPanel.xaml
/// </summary>
public partial class PreviewPanel : UserControl, IDisposable
{
private PreviewHandlerHost _control = new PreviewHandlerHost();
public PreviewPanel()
{
InitializeComponent();
}
public void Dispose()
{
presenter.Child = null;
presenter?.Dispose();
_control?.Dispose();
_control = null;
}
public void PreviewFile(string file)
{
_control = new PreviewHandlerHost();
presenter.Child = _control;
_control.Open(file);
SetActiveWindow(presenter.Handle);
}
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool SetActiveWindow(IntPtr hWnd);
}
}

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using System.Reflection;
using System.Runtime.InteropServices;
using System.Windows;
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("QuickLook.Plugin.IPreviewHandlers")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("")]
[assembly: AssemblyProduct("QuickLook.Plugin.IPreviewHandlers")]
[assembly: AssemblyCopyright("Copyright © 2017")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// Setting ComVisible to false makes the types in this assembly not visible
// to COM components. If you need to access a type in this assembly from
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]
//In order to begin building localizable applications, set
//<UICulture>CultureYouAreCodingWith</UICulture> in your .csproj file
//inside a <PropertyGroup>. For example, if you are using US english
//in your source files, set the <UICulture> to en-US. Then uncomment
//the NeutralResourceLanguage attribute below. Update the "en-US" in
//the line below to match the UICulture setting in the project file.
//[assembly: NeutralResourcesLanguage("en-US", UltimateResourceFallbackLocation.Satellite)]
[assembly: ThemeInfo(
ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
//(used if a resource is not found in the page,
// or application resource dictionaries)
ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
//(used if a resource is not found in the page,
// app, or any theme specific resource dictionaries)
)]
// Version information for an assembly consists of the following four values:
//
// Major Version
// Minor Version
// Build Number
// Revision
//
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]

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//------------------------------------------------------------------------------
// <auto-generated>
// This code was generated by a tool.
// Runtime Version:4.0.30319.42000
//
// Changes to this file may cause incorrect behavior and will be lost if
// the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------
namespace QuickLook.Plugin.IPreviewHandlers.Properties {
using System;
/// <summary>
/// A strongly-typed resource class, for looking up localized strings, etc.
/// </summary>
// This class was auto-generated by the StronglyTypedResourceBuilder
// class via a tool like ResGen or Visual Studio.
// To add or remove a member, edit your .ResX file then rerun ResGen
// with the /str option, or rebuild your VS project.
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
internal class Resources {
private static global::System.Resources.ResourceManager resourceMan;
private static global::System.Globalization.CultureInfo resourceCulture;
[global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
internal Resources() {
}
/// <summary>
/// Returns the cached ResourceManager instance used by this class.
/// </summary>
[global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
internal static global::System.Resources.ResourceManager ResourceManager {
get {
if (object.ReferenceEquals(resourceMan, null)) {
global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("QuickLook.Plugin.IPreviewHandlers.Properties.Resources", typeof(Resources).Assembly);
resourceMan = temp;
}
return resourceMan;
}
}
/// <summary>
/// Overrides the current thread's CurrentUICulture property for all
/// resource lookups using this strongly typed resource class.
/// </summary>
[global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
internal static global::System.Globalization.CultureInfo Culture {
get {
return resourceCulture;
}
set {
resourceCulture = value;
}
}
}
}

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<root>
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Version 2.0
The primary goals of this format is to allow a simple XML format
that is mostly human readable. The generation and parsing of the
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<resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
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<data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
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There are any number of "resheader" rows that contain simple
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Each data row contains a name, and value. The row also contains a
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mimetype: application/x-microsoft.net.object.binary.base64
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//------------------------------------------------------------------------------
// <auto-generated>
// This code was generated by a tool.
// Runtime Version:4.0.30319.42000
//
// Changes to this file may cause incorrect behavior and will be lost if
// the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------
namespace QuickLook.Plugin.IPreviewHandlers.Properties {
[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
[global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "15.1.0.0")]
internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
public static Settings Default {
get {
return defaultInstance;
}
}
}
}

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<?xml version='1.0' encoding='utf-8'?>
<SettingsFile xmlns="uri:settings" CurrentProfile="(Default)">
<Profiles>
<Profile Name="(Default)" />
</Profiles>
<Settings />
</SettingsFile>

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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProjectGuid>{E37675EA-D957-4495-8655-2609BF86756C}</ProjectGuid>
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<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Core" />
<Reference Include="System.Drawing" />
<Reference Include="System.Windows.Forms" />
<Reference Include="System.Xaml">
<RequiredTargetFramework>4.0</RequiredTargetFramework>
</Reference>
<Reference Include="WindowsBase" />
<Reference Include="PresentationCore" />
<Reference Include="PresentationFramework" />
<Reference Include="WindowsFormsIntegration" />
</ItemGroup>
<ItemGroup>
<Compile Include="..\..\GitVersion.cs">
<Link>Properties\GitVersion.cs</Link>
</Compile>
<Compile Include="IInitializeWithFile.cs" />
<Compile Include="IPreviewHandler.cs" />
<Compile Include="PluginInterface.cs">
<SubType>Code</SubType>
</Compile>
</ItemGroup>
<ItemGroup>
<Compile Include="PreviewHandlerHost.cs">
<SubType>Component</SubType>
</Compile>
<Compile Include="PreviewPanel.xaml.cs">
<DependentUpon>PreviewPanel.xaml</DependentUpon>
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<Compile Include="Properties\AssemblyInfo.cs">
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<Compile Include="Properties\Resources.Designer.cs">
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