[gnome-latex/wip/misc] Port to TeplMetadata

[Sébastien Wilmet <swilmet src gnome org>]

commit e627f0f08f6454ed11d98e4bc0fcc630ebb1fcc2
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Apr 19 16:23:50 2020 +0200

    Port to TeplMetadata

 src/document.vala      | 62 ++++++++------------------------------------------
 src/document_view.vala |  4 ++--
 src/factory.vala       |  6 +++++
 src/glatex_app.vala    |  1 +
 4 files changed, 18 insertions(+), 55 deletions(-)
---
diff --git a/src/document.vala b/src/document.vala
index 1795178..4067f7c 100644
--- a/src/document.vala
+++ b/src/document.vala
@@ -1,7 +1,7 @@
 /*
  * This file is part of GNOME LaTeX.
  *
- * Copyright © 2010-2011 Sébastien Wilmet
+ * Copyright © 2010-2020 Sébastien Wilmet
  *
  * GNOME LaTeX is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -30,7 +30,6 @@ public class Document : Tepl.Buffer
     private string? encoding = null;
     private bool new_file = true;
     private DocumentStructure _structure = null;
-    private FileInfo _metadata_info = new FileInfo ();
 
     public Document ()
     {
@@ -58,6 +57,11 @@ public class Document : Tepl.Buffer
         // Document:location property.
         this.bind_property ("location", get_file (), "location",
             BindingFlags.DEFAULT | BindingFlags.SYNC_CREATE);
+
+        get_file ().notify["location"].connect (() =>
+        {
+            load_metadata_from_metadata_manager ();
+        });
     }
 
     public new void insert (ref TextIter iter, string text, int len)
@@ -85,18 +89,6 @@ public class Document : Tepl.Buffer
 
     public void load (File location)
     {
-        // First load metadata so when the notify::location signal is emitted,
-        // get_metadata() works.
-        try
-        {
-            _metadata_info = location.query_info ("metadata::*", FileQueryInfoFlags.NONE);
-        }
-        catch (Error e)
-        {
-            warning ("Get document metadata failed: %s", e.message);
-            _metadata_info = new FileInfo ();
-        }
-
         this.location = location;
 
         try
@@ -201,7 +193,7 @@ public class Document : Tepl.Buffer
             RecentManager.get_default ().add_item (location.get_uri ());
             backup_made = true;
 
-            save_metadata ();
+            save_metadata_into_metadata_manager ();
         }
         catch (Error e)
         {
@@ -513,45 +505,9 @@ public class Document : Tepl.Buffer
         return true;
     }
 
-    private void save_metadata ()
-    {
-        return_if_fail (_metadata_info != null);
-
-        if (this.location == null)
-            return;
-
-        try
-        {
-            this.location.set_attributes_from_info (_metadata_info,
-                FileQueryInfoFlags.NONE);
-        }
-        catch (Error error)
-        {
-            warning ("Set document metadata failed: %s", error.message);
-        }
-    }
-
     public void set_metadata (string key, string? val)
     {
-        return_if_fail (_metadata_info != null);
-
-        if (val != null)
-            _metadata_info.set_attribute_string (key, val);
-        else
-            // Unset the key
-            _metadata_info.set_attribute (key, FileAttributeType.INVALID, null);
-
-        save_metadata ();
-    }
-
-    public new string? get_metadata (string key)
-    {
-        return_val_if_fail (_metadata_info != null, null);
-
-        if (_metadata_info.has_attribute (key) &&
-            _metadata_info.get_attribute_type (key) == FileAttributeType.STRING)
-            return _metadata_info.get_attribute_string (key);
-
-        return null;
+        get_metadata ().set (key, val);
+        save_metadata_into_metadata_manager ();
     }
 }
diff --git a/src/document_view.vala b/src/document_view.vala
index 5750252..87e665a 100644
--- a/src/document_view.vala
+++ b/src/document_view.vala
@@ -187,7 +187,7 @@ public class DocumentView : Tepl.View
     {
         Document doc = get_buffer () as Document;
 
-        string? lang_code = doc.get_metadata (METADATA_ATTRIBUTE_SPELL_LANGUAGE);
+        string? lang_code = doc.get_metadata ().get (METADATA_ATTRIBUTE_SPELL_LANGUAGE);
         if (lang_code == null)
             lang_code = _editor_settings.get_string ("spell-checking-language");
 
@@ -211,7 +211,7 @@ public class DocumentView : Tepl.View
 
         bool enabled;
 
-        string? metadata = doc.get_metadata (METADATA_ATTRIBUTE_INLINE_SPELL);
+        string? metadata = doc.get_metadata ().get (METADATA_ATTRIBUTE_INLINE_SPELL);
         if (metadata != null)
             enabled = metadata == INLINE_SPELL_ENABLED_STR;
         else
diff --git a/src/factory.vala b/src/factory.vala
index bdc860c..c38bffd 100644
--- a/src/factory.vala
+++ b/src/factory.vala
@@ -62,4 +62,10 @@ public class Factory : Tepl.AbstractFactory
             app.open_documents (files);
         }
     }
+
+    public override File? create_metadata_manager_file ()
+    {
+        return File.new_build_filename (Environment.get_user_data_dir (), "gnome-latex",
+            "gnome-latex-metadata.xml", null);
+    }
 }
diff --git a/src/glatex_app.vala b/src/glatex_app.vala
index 20d55f7..d843d2f 100644
--- a/src/glatex_app.vala
+++ b/src/glatex_app.vala
@@ -48,6 +48,7 @@ public class GlatexApp : Gtk.Application
 
         Tepl.Application tepl_app = Tepl.Application.get_from_gtk_application (this);
         tepl_app.handle_activate ();
+        tepl_app.handle_metadata ();
     }
 
     public static GlatexApp get_instance ()