Add application icons

QuickLook.Plugin/QuickLook.Plugin.VideoViewer/PluginInterface.cs

@@ -41,7 +41,7 @@ namespace QuickLook.Plugin.VideoViewer
 
         public void View(string path, ContextObject context)
         {
-            _vp = new ViewerPanel();
+            _vp = new ViewerPanel(context);
 
             context.ViewerContent = _vp;
 

QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml.cs

@@ -13,7 +13,9 @@ namespace QuickLook.Plugin.VideoViewer
     /// </summary>
     public partial class ViewerPanel : UserControl, IDisposable
     {
-        public ViewerPanel()
+        private ContextObject _context;
+
+        public ViewerPanel(ContextObject context)
         {
             InitializeComponent();
 
@@ -21,8 +23,8 @@ namespace QuickLook.Plugin.VideoViewer
 
             mediaElement.PropertyChanged += ChangePlayPauseButton;
             mediaElement.MouseLeftButtonUp += TogglePlayPause;
-            mediaElement.MediaErrored += ShowErrorOverlay;
+            mediaElement.MediaErrored += ShowErrorNotification;
-            mediaElement.MediaFailed += ShowErrorOverlay;
+            mediaElement.MediaFailed += ShowErrorNotification;
         }
 
         public void Dispose()
@@ -48,10 +50,11 @@ namespace QuickLook.Plugin.VideoViewer
                 : FontAwesomeIcon.PlayCircleOutline;
         }
 
-        private void ShowErrorOverlay(object sender, MediaErrorRoutedEventArgs e)
+        private void ShowErrorNotification(object sender, MediaErrorRoutedEventArgs e)
         {
             mediaElement.Stop();
-            errorOverlay.Visibility = Visibility.Visible;
+
+            _context.ShowNotification("", "An error occurred while loading the video.");
         }
 
         public void LoadAndPlay(string path)

QuickLook/App.xaml.cs

@@ -1,6 +1,8 @@
 using System;
 using System.IO;
+using System.Linq;
 using System.Reflection;
+using System.Threading;
 using System.Windows;
 
 namespace QuickLook
@@ -13,6 +15,8 @@ namespace QuickLook
         public static readonly string AppFullPath = Assembly.GetExecutingAssembly().Location;
         public static readonly string AppPath = Path.GetDirectoryName(AppFullPath);
 
+        private Mutex isRunning;
+
         protected override void OnStartup(StartupEventArgs e)
         {
             AppDomain.CurrentDomain.UnhandledException +=
@@ -24,9 +28,25 @@ namespace QuickLook
 
         private void Application_Startup(object sender, StartupEventArgs e)
         {
+            EnsureSingleInstance();
+
+            if (!e.Args.Contains("/autorun"))
+                TrayIcon.GetInstance().ShowNotification("", "QuickLook is running in the background.");
+
             PluginManager.GetInstance();
 
             BackgroundListener.GetInstance();
         }
+
+        private void EnsureSingleInstance()
+        {
+            bool isNew = false;
+            isRunning = new Mutex(true, "QuickLook.App", out isNew);
+            if (!isNew)
+            {
+                MessageBox.Show("QuickLook is already running in the background.");
+                Current.Shutdown();
+            }
+        }
     }
 }

QuickLook/Plugin/ContextObject.cs

@@ -30,6 +30,17 @@ namespace QuickLook.Plugin
             }
         }
 
+        /// <summary>
+        /// Show a notification balloon.
+        /// </summary>
+        /// <param name="title">Title of the notification.</param>
+        /// <param name="content">The content.</param>
+        /// <param name="isError">Is this indicates a error?</param>
+        public void ShowNotification(string title, string content, bool isError = false)
+        {
+            TrayIcon.GetInstance().ShowNotification(title, content, isError);
+        }
+
         /// <summary>
         ///     Get or set the viewer content control.
         /// </summary>

QuickLook/Properties/Resources.Designer.cs

@@ -8,8 +8,8 @@
 // </auto-generated>
 //------------------------------------------------------------------------------
 
-namespace QuickLook.Properties
+namespace QuickLook.Properties {
-{
+    using System;
     
     
     /// <summary>
@@ -22,28 +22,23 @@ namespace QuickLook.Properties
     [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
+    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()
+        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
+        internal static global::System.Resources.ResourceManager ResourceManager {
-        {
+            get {
-            get
+                if (object.ReferenceEquals(resourceMan, null)) {
-            {
-                if ((resourceMan == null))
-                {
                     global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("QuickLook.Properties.Resources", typeof(Resources).Assembly);
                     resourceMan = temp;
                 }
@@ -56,16 +51,33 @@ namespace QuickLook.Properties
         ///   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
+        internal static global::System.Globalization.CultureInfo Culture {
-        {
+            get {
-            get
-            {
                 return resourceCulture;
             }
-            set
+            set {
-            {
                 resourceCulture = value;
             }
         }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Icon similar to (Icon).
+        /// </summary>
+        internal static System.Drawing.Icon app {
+            get {
+                object obj = ResourceManager.GetObject("app", resourceCulture);
+                return ((System.Drawing.Icon)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Icon similar to (Icon).
+        /// </summary>
+        internal static System.Drawing.Icon app_white {
+            get {
+                object obj = ResourceManager.GetObject("app_white", resourceCulture);
+                return ((System.Drawing.Icon)(obj));
+            }
+        }
     }
 }

QuickLook/Properties/Resources.resx

@@ -46,7 +46,7 @@
     
     mimetype: application/x-microsoft.net.object.binary.base64
     value   : The object must be serialized with 
-            : System.Serialization.Formatters.Binary.BinaryFormatter
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
     
     mimetype: application/x-microsoft.net.object.soap.base64
@@ -60,6 +60,7 @@
             : and then encoded with base64 encoding.
     -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">
       <xsd:complexType>
         <xsd:choice maxOccurs="unbounded">
@@ -68,9 +69,10 @@
               <xsd:sequence>
                 <xsd:element name="value" type="xsd:string" minOccurs="0" />
               </xsd:sequence>
-              <xsd:attribute name="name" type="xsd:string" />
+              <xsd:attribute name="name" use="required" type="xsd:string" />
               <xsd:attribute name="type" type="xsd:string" />
               <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
             </xsd:complexType>
           </xsd:element>
           <xsd:element name="assembly">
@@ -85,9 +87,10 @@
                 <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
                 <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
               </xsd:sequence>
-              <xsd:attribute name="name" type="xsd:string" msdata:Ordinal="1" />
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
               <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
               <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
             </xsd:complexType>
           </xsd:element>
           <xsd:element name="resheader">
@@ -109,9 +112,16 @@
     <value>2.0</value>
   </resheader>
   <resheader name="reader">
-    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <resheader name="writer">
-    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
+  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
+  <data name="app" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\app.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="app_white" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\app_white.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
 </root>

QuickLook/QuickLook.csproj

@@ -48,6 +48,9 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
+  <PropertyGroup>
+    <ApplicationIcon>Resources\app.ico</ApplicationIcon>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="FontAwesome.WPF, Version=4.7.0.37774, Culture=neutral, PublicKeyToken=0758b07a11a4f466, processorArchitecture=MSIL">
       <HintPath>..\packages\FontAwesome.WPF.4.7.0.9\lib\net40\FontAwesome.WPF.dll</HintPath>
@@ -90,6 +93,7 @@
     <Compile Include="Plugin\InfoPanel\WindowsThumbnailProvider.cs" />
     <Compile Include="Plugin\IViewer.cs" />
     <Compile Include="Helpers\DpiHelpers.cs" />
+    <Compile Include="TrayIcon.cs" />
     <Compile Include="ViewContentContainer.xaml.cs">
       <DependentUpon>ViewContentContainer.xaml</DependentUpon>
     </Compile>
@@ -172,5 +176,11 @@
       <Install>false</Install>
     </BootstrapperPackage>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\app.ico" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\app_white.ico" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>

QuickLook/TrayIcon.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace QuickLook
+{
+    public class TrayIcon
+    {
+        private static TrayIcon _instance;
+
+        private NotifyIcon _icon;
+
+        internal TrayIcon()
+        {
+            _icon = new NotifyIcon
+            {
+                Icon = Properties.Resources.app_white,
+                Visible = true
+            };
+        }
+
+        public void ShowNotification(string title, string content, bool isError = false)
+        {
+            _icon.ShowBalloonTip(5000, title, content, isError ? ToolTipIcon.Error : ToolTipIcon.Info);
+        }
+
+        internal static TrayIcon GetInstance()
+        {
+            return _instance ?? (_instance = new TrayIcon());
+        }
+    }
+}

README.md

@@ -31,3 +31,7 @@ Hotkeys in preview window:
 
 The previewing ability can be extended by new plugins. Read the [plugin interface](https://github.com/xupefei/QuickLook/blob/master/QuickLook/Plugin/IViewer.cs), [context object](https://github.com/xupefei/QuickLook/blob/master/QuickLook/Plugin/ContextObject.cs) for more information. [Pre-shipped plugins](https://github.com/xupefei/QuickLook/tree/master/QuickLook.Plugin) contains more detailed implementation.
 Note that any plugin must be under the `QuickLook.Plugin` namespace, has the filename similar to `QuickLook.Plugin.YourPlugin.dll` and placed under `<Application>\Plugins\QuickLook.Plugin.YourPlugin\` subfolder.
+
+## Licenses
+
+Application icons made by Freepik from www.flaticon.com. Used under the [Flaticon Basic License](http://file000.flaticon.com/downloads/license/license.pdf).