[gnome-builder/wip/libide: 189/237] libide: add gsettings based IdeFileSettings implementation

[Christian Hergert <chergert src gnome org>]

commit 5330c23250a23d57d4a7add1cc4c1d94476e1842
Author: Christian Hergert <christian hergert me>
Date:   Sat Feb 14 19:50:58 2015 -0800

    libide: add gsettings based IdeFileSettings implementation

 libide/Makefile.am                             |    3 +
 libide/gsettings/ide-gsettings-file-settings.c |  164 ++++++++++++++++++++++++
 libide/gsettings/ide-gsettings-file-settings.h |   33 +++++
 libide/ide.c                                   |    7 +-
 4 files changed, 206 insertions(+), 1 deletions(-)
---
diff --git a/libide/Makefile.am b/libide/Makefile.am
index 15de308..1bb5f5c 100644
--- a/libide/Makefile.am
+++ b/libide/Makefile.am
@@ -30,6 +30,8 @@ libide_la_public_sources = \
        libide/editorconfig/ide-editorconfig-file-settings.h \
        libide/git/ide-git-vcs.c \
        libide/git/ide-git-vcs.h \
+       libide/gsettings/ide-gsettings-file-settings.c \
+       libide/gsettings/ide-gsettings-file-settings.h \
        libide/ide-back-forward-item.c \
        libide/ide-back-forward-item.h \
        libide/ide-back-forward-list.c \
@@ -150,6 +152,7 @@ libide_la_CFLAGS = \
        -I$(top_srcdir)/libide/directory \
        -I$(top_srcdir)/libide/editorconfig \
        -I$(top_srcdir)/libide/git \
+       -I$(top_srcdir)/libide/gsettings \
        -I$(top_srcdir)/libide/local \
        -I$(top_srcdir)/libide/tasks \
        $(LIBIDE_CFLAGS)
diff --git a/libide/gsettings/ide-gsettings-file-settings.c b/libide/gsettings/ide-gsettings-file-settings.c
new file mode 100644
index 0000000..c912209
--- /dev/null
+++ b/libide/gsettings/ide-gsettings-file-settings.c
@@ -0,0 +1,164 @@
+/* ide-gsettings-file-settings.c
+ *
+ * Copyright (C) 2015 Christian Hergert <christian hergert me>
+ *
+ * This file is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <glib/gi18n.h>
+
+#include "ide-context.h"
+#include "ide-file.h"
+#include "ide-gsettings-file-settings.h"
+#include "ide-language.h"
+
+struct _IdeGsettingsFileSettings
+{
+  IdeFileSettings parent_instance;
+
+  GSettings *settings;
+};
+
+static void async_initable_iface_init (GAsyncInitableIface *iface);
+
+G_DEFINE_TYPE_EXTENDED (IdeGsettingsFileSettings,
+                        ide_gsettings_file_settings,
+                        IDE_TYPE_FILE_SETTINGS,
+                        0,
+                        G_IMPLEMENT_INTERFACE (G_TYPE_ASYNC_INITABLE,
+                                               async_initable_iface_init))
+
+static void
+ide_gsettings_file_settings_finalize (GObject *object)
+{
+  IdeGsettingsFileSettings *self = (IdeGsettingsFileSettings *)object;
+
+  g_clear_object (&self->settings);
+
+  G_OBJECT_CLASS (ide_gsettings_file_settings_parent_class)->finalize (object);
+}
+
+static void
+ide_gsettings_file_settings_class_init (IdeGsettingsFileSettingsClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->finalize = ide_gsettings_file_settings_finalize;
+}
+
+static void
+ide_gsettings_file_settings_init (IdeGsettingsFileSettings *self)
+{
+}
+
+static gboolean
+indent_style_get (GValue   *value,
+                  GVariant *variant,
+                  gpointer  user_data)
+{
+  if (g_variant_get_boolean (variant))
+    g_value_set_enum (value, IDE_INDENT_STYLE_SPACES);
+  else
+    g_value_set_enum (value, IDE_INDENT_STYLE_TABS);
+
+  return TRUE;
+}
+
+static void
+ide_gsettings_file_settings_init_async (GAsyncInitable      *initable,
+                                        gint                 io_priority,
+                                        GCancellable        *cancellable,
+                                        GAsyncReadyCallback  callback,
+                                        gpointer             user_data)
+{
+  IdeGsettingsFileSettings *self = (IdeGsettingsFileSettings *)initable;
+  g_autoptr(GSettings) settings = NULL;
+  g_autoptr(GTask) task = NULL;
+  g_autoptr(gchar) path = NULL;
+  IdeLanguage *language;
+  IdeFile *file;
+  const gchar *lang_id;
+
+  g_return_if_fail (IDE_IS_GSETTINGS_FILE_SETTINGS (self));
+
+  task = g_task_new (self, cancellable, callback, user_data);
+
+  file = ide_file_settings_get_file (IDE_FILE_SETTINGS (self));
+
+  if (!file)
+    {
+      g_task_return_new_error (task,
+                               G_IO_ERROR,
+                               G_IO_ERROR_NOT_FOUND,
+                               _("No file was provided"));
+      return;
+    }
+
+  language = ide_file_get_language (file);
+
+  if (!language)
+    {
+      g_task_return_new_error (task,
+                               G_IO_ERROR,
+                               G_IO_ERROR_NOT_SUPPORTED,
+                               _("Failed to retrieve langauge for file."));
+      return;
+    }
+
+  lang_id = ide_language_get_id (language);
+
+  path = g_strdup_printf ("/org/gnome/builder/editor/language/%s/", lang_id);
+  settings = g_settings_new_with_path ("org.gnome.builder.editor.language", path);
+
+  self->settings = g_object_ref (settings);
+
+  g_settings_bind (self->settings, "indent-width", self, "indent-width",
+                   G_SETTINGS_BIND_GET);
+  g_settings_bind (self->settings, "tab-width", self, "tab-width",
+                   G_SETTINGS_BIND_GET);
+  g_settings_bind_with_mapping (self->settings, "insert-spaces-instead-of-tabs",
+                                self, "indent-style", G_SETTINGS_BIND_GET,
+                                indent_style_get, NULL, NULL, NULL);
+  g_settings_bind_with_mapping (self->settings, "insert-spaces-instead-of-tabs",
+                                self, "indent-style", G_SETTINGS_BIND_GET,
+                                indent_style_get, NULL, NULL, NULL);
+  g_settings_bind (self->settings, "right-margin-position",
+                   self, "right-margin-position",
+                   G_SETTINGS_BIND_GET);
+  g_settings_bind (self->settings, "trim-trailing-whitespace",
+                   self, "trim-trailing-whitespace",
+                   G_SETTINGS_BIND_GET);
+
+  g_task_return_boolean (task, TRUE);
+}
+
+static gboolean
+ide_gsettings_file_settings_init_finish (GAsyncInitable  *initable,
+                                         GAsyncResult    *result,
+                                         GError         **error)
+{
+  GTask *task = (GTask *)result;
+
+  g_return_val_if_fail (IDE_IS_GSETTINGS_FILE_SETTINGS (initable), FALSE);
+  g_return_val_if_fail (G_IS_TASK (task), FALSE);
+
+  return g_task_propagate_boolean (task, error);
+}
+
+static void
+async_initable_iface_init (GAsyncInitableIface *iface)
+{
+  iface->init_async = ide_gsettings_file_settings_init_async;
+  iface->init_finish = ide_gsettings_file_settings_init_finish;
+}
diff --git a/libide/gsettings/ide-gsettings-file-settings.h b/libide/gsettings/ide-gsettings-file-settings.h
new file mode 100644
index 0000000..ae2612d
--- /dev/null
+++ b/libide/gsettings/ide-gsettings-file-settings.h
@@ -0,0 +1,33 @@
+/* ide-gsettings-file-settings.h
+ *
+ * Copyright (C) 2015 Christian Hergert <christian hergert me>
+ *
+ * This file is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef IDE_GSETTINGS_FILE_SETTINGS_H
+#define IDE_GSETTINGS_FILE_SETTINGS_H
+
+#include "ide-file-settings.h"
+
+G_BEGIN_DECLS
+
+#define IDE_TYPE_GSETTINGS_FILE_SETTINGS (ide_gsettings_file_settings_get_type())
+
+G_DECLARE_FINAL_TYPE (IdeGsettingsFileSettings, ide_gsettings_file_settings,
+                      IDE, GSETTINGS_FILE_SETTINGS, IdeFileSettings)
+
+G_END_DECLS
+
+#endif /* IDE_GSETTINGS_FILE_SETTINGS_H */
diff --git a/libide/ide.c b/libide/ide.c
index b59a0fe..5fdd504 100644
--- a/libide/ide.c
+++ b/libide/ide.c
@@ -30,6 +30,7 @@
 #include "ide-editorconfig-file-settings.h"
 #include "ide-file-settings.h"
 #include "ide-git-vcs.h"
+#include "ide-gsettings-file-settings.h"
 
 static gboolean     gProgramNameRead;
 static const gchar *gProgramName = "libide";
@@ -79,7 +80,11 @@ ide_init_ctor (void)
   g_io_extension_point_implement (IDE_FILE_SETTINGS_EXTENSION_POINT,
                                   IDE_TYPE_EDITORCONFIG_FILE_SETTINGS,
                                   IDE_FILE_SETTINGS_EXTENSION_POINT".editorconfig",
-                                  0);
+                                  -100);
+  g_io_extension_point_implement (IDE_FILE_SETTINGS_EXTENSION_POINT,
+                                  IDE_TYPE_GSETTINGS_FILE_SETTINGS,
+                                  IDE_FILE_SETTINGS_EXTENSION_POINT".gsettings",
+                                  -200);
 
   g_io_extension_point_implement (IDE_LANGUAGE_EXTENSION_POINT,
                                   IDE_TYPE_C_LANGUAGE,