[gnome-builder] libide: give IdeFileSettings a weak pointer to the file



commit ff38dd9796a3a7971b839372aa7e9404cde6dbf3
Author: Christian Hergert <christian hergert me>
Date:   Sat Feb 14 16:37:03 2015 -0800

    libide: give IdeFileSettings a weak pointer to the file

 libide/ide-file-settings.c |   54 ++++++++++++++++++++++++++++++++++++++++++++
 libide/ide-file-settings.h |    6 +++-
 2 files changed, 58 insertions(+), 2 deletions(-)
---
diff --git a/libide/ide-file-settings.c b/libide/ide-file-settings.c
index 4d7c82a..1e66659 100644
--- a/libide/ide-file-settings.c
+++ b/libide/ide-file-settings.c
@@ -19,11 +19,13 @@
 #include <glib/gi18n.h>
 #include <gtksourceview/gtksource.h>
 
+#include "ide-file.h"
 #include "ide-file-settings.h"
 
 typedef struct
 {
   gchar                *encoding;
+  IdeFile              *file;
   IdeIndentStyle        indent_style : 2;
   guint                 indent_width : 6;
   guint                 insert_trailing_newline : 1;
@@ -37,6 +39,7 @@ G_DEFINE_TYPE_WITH_PRIVATE (IdeFileSettings, ide_file_settings, IDE_TYPE_OBJECT)
 enum {
   PROP_0,
   PROP_ENCODING,
+  PROP_FILE,
   PROP_INDENT_STYLE,
   PROP_INDENT_WIDTH,
   PROP_INSERT_TRAILING_NEWLINE,
@@ -74,6 +77,45 @@ ide_file_settings_set_encoding (IdeFileSettings *self,
     }
 }
 
+/**
+ * ide_file_settings_get_file:
+ * @self: An #IdeFileSettings.
+ *
+ * Retrieves the underlying file that @self refers to.
+ *
+ * This may be used by #IdeFileSettings implementations to discover additional
+ * information about the settings. For example, a modeline parser might load
+ * some portion of the file looking for modelines. An editorconfig
+ * implementation might look for ".editorconfig" files.
+ *
+ * Returns: (transfer none): An #IdeFile.
+ */
+IdeFile *
+ide_file_settings_get_file (IdeFileSettings *self)
+{
+  IdeFileSettingsPrivate *priv = ide_file_settings_get_instance_private (self);
+
+  g_return_val_if_fail (IDE_IS_FILE_SETTINGS (self), NULL);
+
+  return priv->file;
+}
+
+static void
+ide_file_settings_set_file (IdeFileSettings *self,
+                            IdeFile         *file)
+{
+  IdeFileSettingsPrivate *priv = ide_file_settings_get_instance_private (self);
+
+  g_return_if_fail (IDE_IS_FILE_SETTINGS (self));
+  g_return_if_fail (IDE_IS_FILE (file));
+
+  if (priv->file != file)
+    {
+      if (ide_set_weak_pointer (&priv->file, file))
+        g_object_notify_by_pspec (G_OBJECT (self), gParamSpecs [PROP_FILE]);
+    }
+}
+
 IdeIndentStyle
 ide_file_settings_get_indent_style (IdeFileSettings *self)
 {
@@ -248,6 +290,7 @@ ide_file_settings_finalize (GObject *object)
   IdeFileSettingsPrivate *priv = ide_file_settings_get_instance_private (self);
 
   g_clear_pointer (&priv->encoding, g_free);
+  ide_clear_weak_pointer (&priv->file);
 
   G_OBJECT_CLASS (ide_file_settings_parent_class)->finalize (object);
 }
@@ -356,6 +399,17 @@ ide_file_settings_class_init (IdeFileSettingsClass *klass)
   g_object_class_install_property (object_class, PROP_ENCODING,
                                    gParamSpecs [PROP_ENCODING]);
 
+  gParamSpecs [PROP_FILE] =
+    g_param_spec_object ("file",
+                         _("File"),
+                         _("The IdeFile the settings represent."),
+                         IDE_TYPE_FILE,
+                         (G_PARAM_READWRITE |
+                          G_PARAM_CONSTRUCT_ONLY |
+                          G_PARAM_STATIC_STRINGS));
+  g_object_class_install_property (object_class, PROP_FILE,
+                                   gParamSpecs [PROP_FILE]);
+
   gParamSpecs [PROP_INDENT_STYLE] =
     g_param_spec_enum ("indent-style",
                        _("Indent Style"),
diff --git a/libide/ide-file-settings.h b/libide/ide-file-settings.h
index a3acf73..0e4348b 100644
--- a/libide/ide-file-settings.h
+++ b/libide/ide-file-settings.h
@@ -21,12 +21,13 @@
 
 #include <gtksourceview/gtksource.h>
 
-#include "ide-object.h"
 #include "ide-indent-style.h"
+#include "ide-object.h"
 
 G_BEGIN_DECLS
 
-#define IDE_TYPE_FILE_SETTINGS (ide_file_settings_get_type())
+#define IDE_TYPE_FILE_SETTINGS            (ide_file_settings_get_type())
+#define IDE_FILE_SETTINGS_EXTENSION_POINT "org.gnome.libide.extensions.file-settings"
 
 G_DECLARE_DERIVABLE_TYPE (IdeFileSettings, ide_file_settings,
                           IDE, FILE_SETTINGS, IdeObject)
@@ -37,6 +38,7 @@ struct _IdeFileSettingsClass
 };
 
 const gchar          *ide_file_settings_get_encoding                 (IdeFileSettings      *self);
+IdeFile              *ide_file_settings_get_file                     (IdeFileSettings      *self);
 IdeIndentStyle        ide_file_settings_get_indent_style             (IdeFileSettings      *self);
 guint                 ide_file_settings_get_indent_width             (IdeFileSettings      *self);
 gboolean              ide_file_settings_get_insert_trailing_newline  (IdeFileSettings      *self);


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