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[banshee/recs: 1/4] First rough pass at making the recommendations pane into an extensible context pane, for eg lyrics,

commit e9ad6e0c673f2e935754bf91bdf416b8d32d2f38
Author: Gabriel Burt <gabriel burt gmail com>
Date:   Wed May 6 12:58:50 2009 -0500

    First rough pass at making the recommendations pane into an extensible context pane, for eg lyrics, wikipedia, etc
---
 src/Clients/Nereid/Nereid/ViewContainer.cs         |    3 +
 src/Core/Banshee.Core/Banshee.Core.csproj          |    2 +-
 src/Core/Banshee.Services/Banshee.Services.csproj  |    6 +-
 .../Banshee.Gui.Widgets/ContextPane.cs             |  140 ++++++++++++++++++++
 .../Banshee.ThickClient.addin.xml                  |    5 +
 .../Banshee.ThickClient/Banshee.ThickClient.csproj |    2 +
 src/Core/Banshee.ThickClient/Makefile.am           |    1 +
 .../RecommendationPane.cs                          |   61 ++++++++-
 .../RecommendationService.cs                       |   57 +--------
 .../Banshee.Lastfm/Banshee.Lastfm.addin.xml        |    4 +
 src/Libraries/Hyena/Hyena.csproj                   |    7 +
 11 files changed, 227 insertions(+), 61 deletions(-)

diff --git a/src/Clients/Nereid/Nereid/ViewContainer.cs b/src/Clients/Nereid/Nereid/ViewContainer.cs
index 41c51c3..4b3293b 100644
--- a/src/Clients/Nereid/Nereid/ViewContainer.cs
+++ b/src/Clients/Nereid/Nereid/ViewContainer.cs
@@ -112,6 +112,9 @@ namespace Nereid
             
             PackStart (header, false, false, 0);
             PackEnd (footer, false, false, 0);
+            var context_pane = new ContextPane ();
+            context_pane.Show ();
+            PackEnd (context_pane, false, false, 0);
             PackEnd (new ConnectedMessageBar (), false, true, 0);
         }
         
diff --git a/src/Core/Banshee.Core/Banshee.Core.csproj b/src/Core/Banshee.Core/Banshee.Core.csproj
index e5af764..805da77 100644
--- a/src/Core/Banshee.Core/Banshee.Core.csproj
+++ b/src/Core/Banshee.Core/Banshee.Core.csproj
@@ -69,7 +69,6 @@
     <Compile Include="Banshee.Collection\TrackFilterType.cs" />
     <Compile Include="Banshee.Base\PlatformHacks.cs" />
     <Compile Include="Banshee.Streaming\CommonTags.cs" />
-    <Compile Include="Banshee.Streaming\SaveTrackMetadataJob.cs" />
     <Compile Include="Banshee.Streaming\StreamTag.cs" />
     <Compile Include="Banshee.Streaming\StreamTagger.cs" />
     <Compile Include="Banshee.Streaming\StreamPlaybackError.cs" />
@@ -106,6 +105,7 @@
     <Compile Include="Banshee.IO\DirectoryScannerPipelineElement.cs" />
     <Compile Include="Banshee.Configuration\MemoryConfigurationClient.cs" />
     <Compile Include="Banshee.IO\ExtensionSet.cs" />
+    <Compile Include="Banshee.Base\Tests\CoverArtSpecTests.cs" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="Resources\contributors.xml">
diff --git a/src/Core/Banshee.Services/Banshee.Services.csproj b/src/Core/Banshee.Services/Banshee.Services.csproj
index 5021339..066f4a6 100644
--- a/src/Core/Banshee.Services/Banshee.Services.csproj
+++ b/src/Core/Banshee.Services/Banshee.Services.csproj
@@ -87,7 +87,6 @@
     <Compile Include="Banshee.Collection\ModelHelper.cs" />
     <Compile Include="Banshee.Collection\TrackListModel.cs" />
     <Compile Include="Banshee.MediaEngine\PlayerEngineService.cs" />
-    <Compile Include="Banshee.ServiceStack\UserJobManager.cs" />
     <Compile Include="Banshee.ServiceStack\IUserJob.cs" />
     <Compile Include="Banshee.ServiceStack\UserJobEventHandler.cs" />
     <Compile Include="Banshee.ServiceStack\UserJob.cs" />
@@ -228,7 +227,6 @@
     <Compile Include="Banshee.Collection.Database\QueryFilterInfo.cs" />
     <Compile Include="Banshee.Sources\IFilterableSource.cs" />
     <Compile Include="Banshee.MediaEngine\IVisualizationDataSource.cs" />
-    <Compile Include="Banshee.Collection\MoveOnInfoSaveJob.cs" />
     <Compile Include="Banshee.ServiceStack\IRegisterOnDemandService.cs" />
     <Compile Include="Banshee.Web\HttpRequest.cs" />
     <Compile Include="Banshee.Collection.Indexer\CollectionIndexerService.cs" />
@@ -252,8 +250,10 @@
     <Compile Include="Banshee.Preferences\SourcePage.cs" />
     <Compile Include="Banshee.ServiceStack\DbIteratorJob.cs" />
     <Compile Include="Banshee.Sources\SourceSortType.cs" />
-    <Compile Include="Banshee.Library\LibraryLocationPreference.cs" />
     <Compile Include="Banshee.Playlists.Formats\AsfReferencePlaylistFormat.cs" />
+    <Compile Include="Banshee.Metadata\SaveTrackMetadataJob.cs" />
+    <Compile Include="Banshee.Metadata\SaveTrackMetadataService.cs" />
+    <Compile Include="Banshee.ServiceStack\JobScheduler.cs" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="Banshee.Services.addin.xml" />
diff --git a/src/Core/Banshee.ThickClient/Banshee.Gui.Widgets/ContextPane.cs b/src/Core/Banshee.ThickClient/Banshee.Gui.Widgets/ContextPane.cs
new file mode 100644
index 0000000..533b2eb
--- /dev/null
+++ b/src/Core/Banshee.ThickClient/Banshee.Gui.Widgets/ContextPane.cs
@@ -0,0 +1,140 @@
+//
+// ContextNotebook.cs
+//
+// Authors:
+//   Gabriel Burt <gburt novell com>
+//
+// Copyright (C) 2009 Novell, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Collections.Generic;
+
+using Mono.Addins;
+
+using Gtk;
+
+using Hyena.Gui;
+
+using Banshee.Base;
+using Banshee.Gui;
+
+namespace Banshee.Gui.Widgets
+{
+    public abstract class ContextPanePage
+    {
+        public string Id { get; protected set; }
+        public string Name { get; protected set;}
+        public string [] IconNames { get; protected set;}
+        public abstract Widget Widget { get; }
+    }
+
+    public class ContextManager
+    {
+        private ContextPane pane;
+
+        public ContextManager (ContextPane pane)
+        {
+            this.pane = pane;
+            Mono.Addins.AddinManager.AddExtensionNodeHandler ("/Banshee/ThickClient/ContextPanePage", OnExtensionChanged);
+        }
+
+        private void OnExtensionChanged (object o, ExtensionNodeEventArgs args) 
+        {
+            TypeExtensionNode node = (TypeExtensionNode)args.ExtensionNode;
+            var page = (ContextPanePage) (node.GetInstance () ?? node.CreateInstance ());
+            
+            if (args.Change == ExtensionChange.Add) {
+                pane.AddPage (page);
+            } else {
+                pane.RemovePage (page);
+            }
+        }
+    }
+    
+    public class ContextPane : Gtk.HBox
+    {
+        private object tooltip_host = TooltipSetter.CreateHost ();
+
+        private Gtk.Notebook notebook;
+        private VBox vbox;
+
+        private RadioButton radio_group = new RadioButton (null, "");
+
+        private Dictionary<ContextPanePage, RadioButton> pane_tabs = new Dictionary<ContextPanePage, RadioButton> ();
+        //private Dictionary<
+        
+        public ContextPane ()
+        {
+            notebook = new Notebook () {
+                ShowBorder = false,
+                ShowTabs = false
+            };
+
+            vbox = new VBox ();
+
+            PackStart (notebook, true, true, 0);
+            PackStart (vbox, false, false, 6);
+            ShowAll ();
+            
+            HeightRequest = 200;
+
+            // TODO remember/restore the last page
+
+            new ContextManager (this);
+        }
+
+        public void AddPage (ContextPanePage page)
+        {
+            var frame = new Hyena.Widgets.RoundedFrame ();
+            frame.Add (page.Widget);
+            frame.Show ();
+            page.Widget.Show ();
+            notebook.AppendPage (frame, null);
+
+            var tab_image = new Image (IconThemeUtils.LoadIcon (22, page.IconNames));
+            var toggle_button = new RadioButton (radio_group) {
+                Child = tab_image,
+                DrawIndicator = false
+            };
+            toggle_button.Relief = ReliefStyle.None;
+            toggle_button.Clicked += (s, e) => notebook.CurrentPage = notebook.PageNum (page.Widget);
+            
+            TooltipSetter.Set (tooltip_host, toggle_button, page.Name);
+
+            toggle_button.ShowAll ();
+            vbox.PackStart (toggle_button, false, false, 0);
+            pane_tabs[page] = toggle_button;
+
+            if (notebook.NPages == 1) {
+                toggle_button.Active = true;
+            }
+        }
+
+        public void RemovePage (ContextPanePage page)
+        {
+            notebook.RemovePage (notebook.PageNum (page.Widget));
+            vbox.Remove (pane_tabs[page]);
+            pane_tabs.Remove (page);
+        }
+    }
+}
diff --git a/src/Core/Banshee.ThickClient/Banshee.ThickClient.addin.xml b/src/Core/Banshee.ThickClient/Banshee.ThickClient.addin.xml
index 9b094b0..2dc7b10 100644
--- a/src/Core/Banshee.ThickClient/Banshee.ThickClient.addin.xml
+++ b/src/Core/Banshee.ThickClient/Banshee.ThickClient.addin.xml
@@ -40,6 +40,11 @@
     <Description>Defines a new GTK+ source view, possibly in conjunction with a Source extension.</Description>
     <ExtensionNode name="SourceView"/>
   </ExtensionPoint>
+
+  <ExtensionPoint path="/Banshee/ThickClient/ContextPanePage">
+    <Description>Defines a new GTK+ context pane, for showing contextual information beneath the main track source view.</Description>
+    <ExtensionNode name="ContextPanePage"/>
+  </ExtensionPoint>
   
   <ExtensionPoint path="/Banshee/Gui/TrackEditor/NotebookPage">
     <Description>Defines a new notebook page for the track editor.</Description>
diff --git a/src/Core/Banshee.ThickClient/Banshee.ThickClient.csproj b/src/Core/Banshee.ThickClient/Banshee.ThickClient.csproj
index 5133453..b14d088 100644
--- a/src/Core/Banshee.ThickClient/Banshee.ThickClient.csproj
+++ b/src/Core/Banshee.ThickClient/Banshee.ThickClient.csproj
@@ -227,6 +227,8 @@
     <Compile Include="Banshee.Gui.TrackEditor\SortingPage.cs" />
     <Compile Include="Banshee.Gui.Widgets\TaskStatusIcon.cs" />
     <Compile Include="Banshee.Preferences.Gui\PageComboBox.cs" />
+    <Compile Include="Banshee.Gui.TrackEditor\LicenseEntry.cs" />
+    <Compile Include="Banshee.Gui.Widgets\ContextPane.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ProjectExtensions>
diff --git a/src/Core/Banshee.ThickClient/Makefile.am b/src/Core/Banshee.ThickClient/Makefile.am
index 317e690..845b261 100644
--- a/src/Core/Banshee.ThickClient/Makefile.am
+++ b/src/Core/Banshee.ThickClient/Makefile.am
@@ -85,6 +85,7 @@ SOURCES =  \
 	Banshee.Gui.Widgets/ConnectedMessageBar.cs \
 	Banshee.Gui.Widgets/ConnectedSeekSlider.cs \
 	Banshee.Gui.Widgets/ConnectedVolumeButton.cs \
+	Banshee.Gui.Widgets/ContextPane.cs \
 	Banshee.Gui.Widgets/LargeTrackInfoDisplay.cs \
 	Banshee.Gui.Widgets/MainMenu.cs \
 	Banshee.Gui.Widgets/NextButton.cs \
diff --git a/src/Extensions/Banshee.Lastfm/Banshee.Lastfm.Recommendations/RecommendationPane.cs b/src/Extensions/Banshee.Lastfm/Banshee.Lastfm.Recommendations/RecommendationPane.cs
index 1e23fba..20356bf 100644
--- a/src/Extensions/Banshee.Lastfm/Banshee.Lastfm.Recommendations/RecommendationPane.cs
+++ b/src/Extensions/Banshee.Lastfm/Banshee.Lastfm.Recommendations/RecommendationPane.cs
@@ -62,7 +62,22 @@ using Banshee.Lastfm.Radio;
 
 namespace Banshee.Lastfm.Recommendations
 {
-    public class RecommendationPane : Hyena.Widgets.RoundedFrame
+    public class Page : Banshee.Gui.Widgets.ContextPanePage
+    {
+        public Page ()
+        {
+            Id = "lastfm-recommendations";
+            Name = Catalog.GetString ("Last.fm Recommendations");
+            IconNames = new string[] { "lastfm-audioscrobbler" };
+        }
+
+        private RecommendationPane recs;
+        public override Widget Widget {
+            get { return recs ?? (recs = new RecommendationPane ()); }
+        }
+    }
+    
+    public class RecommendationPane : HBox
     {
         private HBox main_box;
         private MessagePane no_artists_pane;
@@ -173,7 +188,7 @@ namespace Banshee.Lastfm.Recommendations
 
         public RecommendationPane () : base ()
         {
-            main_box = new HBox ();
+            main_box = this;
             main_box.BorderWidth = 5;
 
             artist_box = new TitledList (Catalog.GetString ("Recommended Artists"));
@@ -219,8 +234,46 @@ namespace Banshee.Lastfm.Recommendations
             main_box.PackStart (track_box, false, false, 5);
             
             no_artists_pane.Hide ();
-            
-            Add (main_box);
+
+            ServiceManager.PlayerEngine.ConnectEvent (OnPlayerEvent, PlayerEvent.EndOfStream | PlayerEvent.TrackInfoUpdated);
+        }
+
+        // Dispose
+        // ServiceManager.PlayerEngine.DisconnectEvent (OnPlayerEvent);
+
+        private void OnPlayerEvent (PlayerEventArgs args)
+        {
+            TrackInfo track = ServiceManager.PlayerEngine.CurrentTrack;
+            if (track != null) {
+                ShowRecommendations (track.ArtistName);
+            }
+        }
+
+        private void UpdateVisibility ()
+        {
+            bool source_is_playback_source = (ServiceManager.SourceManager.ActiveSource as Banshee.Sources.ITrackModelSource) == ServiceManager.PlaybackController.Source;
+            //ShowWhenReady = ShowSchema.Get () && source_is_playback_source;
+            ShowWhenReady = source_is_playback_source;
+            if (!source_is_playback_source) {
+                HideWithTimeout ();
+            } else if (!ShowWhenReady) {
+                Hide ();
+            }
+        }
+
+        private void ShowRecommendations (string artist)
+        {
+            lock (this) {
+                if (Visible && Artist == artist) {
+                    return;
+                }
+
+                if (!String.IsNullOrEmpty (artist)) {
+                    Artist = artist;
+                }
+
+                UpdateVisibility ();
+            }
         }
         
         private void OnSideSizeAllocated (object o, SizeAllocatedArgs args)
diff --git a/src/Extensions/Banshee.Lastfm/Banshee.Lastfm.Recommendations/RecommendationService.cs b/src/Extensions/Banshee.Lastfm/Banshee.Lastfm.Recommendations/RecommendationService.cs
index 0d547c1..d71c323 100644
--- a/src/Extensions/Banshee.Lastfm/Banshee.Lastfm.Recommendations/RecommendationService.cs
+++ b/src/Extensions/Banshee.Lastfm/Banshee.Lastfm.Recommendations/RecommendationService.cs
@@ -57,92 +57,43 @@ namespace Banshee.Lastfm.Recommendations
 {
     public class RecommendationService : IExtensionService
     {
-        private RecommendationPane pane;
         private RecommendationActions actions;
 
         void IExtensionService.Initialize ()
         {
-            pane = new RecommendationPane ();
-
-            BaseClientWindow nereid = ServiceManager.Get<IService> ("NereidPlayerInterface") as Banshee.Gui.BaseClientWindow;
-            if (nereid != null) {
-                nereid.ViewContainer.PackEnd (pane, false, false, 0);
-            }
-
             actions = new RecommendationActions (this);
 
             ServiceManager.PlaybackController.SourceChanged += OnSourceChanged;
             ServiceManager.SourceManager.ActiveSourceChanged += OnActiveSourceChanged;
-            ServiceManager.PlayerEngine.ConnectEvent (OnPlayerEvent, PlayerEvent.EndOfStream | PlayerEvent.TrackInfoUpdated);
         }
 
         public void Dispose ()
         {
             ServiceManager.PlaybackController.SourceChanged -= OnSourceChanged;
             ServiceManager.SourceManager.ActiveSourceChanged -= OnActiveSourceChanged;
-            ServiceManager.PlayerEngine.DisconnectEvent (OnPlayerEvent);
-
-            if (pane != null) {
-                pane.Destroy ();
-                pane = null;
-            }
 
             actions.Dispose ();
         }
 
         private void OnActiveSourceChanged (EventArgs args)
         {
-            Banshee.Base.ThreadAssist.ProxyToMain (UpdateVisibility);
+            //Banshee.Base.ThreadAssist.ProxyToMain (UpdateVisibility);
         }
 
         private void OnSourceChanged (object sender, EventArgs args)
         {
-            Banshee.Base.ThreadAssist.ProxyToMain (UpdateVisibility);
-        }
-
-        private void OnPlayerEvent (PlayerEventArgs args)
-        {
-            TrackInfo track = ServiceManager.PlayerEngine.CurrentTrack;
-            if (track != null) {
-                ShowRecommendations (track.ArtistName);
-            }
-        }
-
-        private void UpdateVisibility ()
-        {
-            bool source_is_playback_source = (ServiceManager.SourceManager.ActiveSource as Banshee.Sources.ITrackModelSource) == ServiceManager.PlaybackController.Source;
-            pane.ShowWhenReady = ShowSchema.Get () && source_is_playback_source;
-            if (!source_is_playback_source) {
-                pane.HideWithTimeout ();
-            } else if (!pane.ShowWhenReady) {
-                pane.Hide ();
-            }
-        }
-
-        private void ShowRecommendations (string artist)
-        {
-            lock (this) {
-                if (pane.Visible && pane.Artist == artist) {
-                    return;
-                }
-
-                if (!String.IsNullOrEmpty (artist)) {
-                    pane.Artist = artist;
-                }
-
-                UpdateVisibility ();
-            }
+            //Banshee.Base.ThreadAssist.ProxyToMain (UpdateVisibility);
         }
 
         public bool RecommendationsShown {
-            set {
+            set {/*
                 ShowSchema.Set (value);
 
                 TrackInfo track = ServiceManager.PlayerEngine.CurrentTrack;
                 if (track != null) {
                     pane.Artist = track.ArtistName;
                 }
-                UpdateVisibility ();
+                UpdateVisibility ();*/
             }
         }
 
diff --git a/src/Extensions/Banshee.Lastfm/Banshee.Lastfm.addin.xml b/src/Extensions/Banshee.Lastfm/Banshee.Lastfm.addin.xml
index 8c55fd8..78947cc 100644
--- a/src/Extensions/Banshee.Lastfm/Banshee.Lastfm.addin.xml
+++ b/src/Extensions/Banshee.Lastfm/Banshee.Lastfm.addin.xml
@@ -19,6 +19,10 @@
   <Extension path="/Banshee/SourceManager/Source">
     <Source class="Banshee.Lastfm.Radio.LastfmSource"/>
   </Extension>
+
+  <Extension path="/Banshee/ThickClient/ContextPanePage">
+    <ContextPanePage class="Banshee.Lastfm.Recommendations.Page"/>
+  </Extension>
   
   <Extension path="/Banshee/ServiceManager/Service">
     <Service class="Banshee.Lastfm.Audioscrobbler.AudioscrobblerService"/>
diff --git a/src/Libraries/Hyena/Hyena.csproj b/src/Libraries/Hyena/Hyena.csproj
index 392e5be..4b10ffc 100644
--- a/src/Libraries/Hyena/Hyena.csproj
+++ b/src/Libraries/Hyena/Hyena.csproj
@@ -140,6 +140,13 @@
     <Compile Include="Hyena.Data.Sqlite\HyenaSqliteArrayDataReader.cs" />
     <Compile Include="Hyena.Data.Sqlite\Tests\SqliteUtilTests.cs" />
     <Compile Include="Hyena.Query\ExactStringQueryValue.cs" />
+    <Compile Include="Hyena.Jobs\Job.cs" />
+    <Compile Include="Hyena.Jobs\JobExtensions.cs" />
+    <Compile Include="Hyena.Jobs\PriorityHints.cs" />
+    <Compile Include="Hyena.Jobs\Resource.cs" />
+    <Compile Include="Hyena.Jobs\Scheduler.cs" />
+    <Compile Include="Hyena.Jobs\SimpleAsyncJob.cs" />
+    <Compile Include="Hyena.Jobs\Tests\SchedulerTests.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ProjectExtensions>
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