[gtk+/a11y] Convert GailProgressBar to GtkProgressBarAccessible

[Matthias Clasen <matthiasc src gnome org>]

commit 3e04e0e321ea27d387ac31e79da36c1cc6336920
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jun 26 23:00:20 2011 -0400

    Convert GailProgressBar to GtkProgressBarAccessible

 gtk/a11y/Makefile.am                |    4 +-
 gtk/a11y/gail.c                     |    3 -
 gtk/a11y/gailprogressbar.c          |  133 -----------------------------------
 gtk/a11y/gailprogressbar.h          |   51 -------------
 gtk/a11y/gtkprogressbaraccessible.c |  113 +++++++++++++++++++++++++++++
 gtk/a11y/gtkprogressbaraccessible.h |   51 +++++++++++++
 gtk/gtkprogressbar.c                |    4 +
 7 files changed, 170 insertions(+), 189 deletions(-)
---
diff --git a/gtk/a11y/Makefile.am b/gtk/a11y/Makefile.am
index 630b18c..9f70e2b 100644
--- a/gtk/a11y/Makefile.am
+++ b/gtk/a11y/Makefile.am
@@ -30,7 +30,7 @@ gail_c_sources =			\
 	gailnotebook.c			\
 	gailnotebookpage.c		\
 	gailpaned.c			\
-	gailprogressbar.c		\
+	gtkprogressbaraccessible.c	\
 	gailradiobutton.c		\
 	gailradiomenuitem.c		\
 	gailradiosubmenuitem.c		\
@@ -82,7 +82,7 @@ gail_private_h_sources =		\
 	gailnotebook.h			\
 	gailnotebookpage.h		\
 	gailpaned.h			\
-	gailprogressbar.h		\
+	gtkprogressbaraccessible.h	\
 	gailradiobutton.h		\
 	gailradiomenuitem.h		\
 	gailradiosubmenuitem.h		\
diff --git a/gtk/a11y/gail.c b/gtk/a11y/gail.c
index dec6ccd..46b7c45 100644
--- a/gtk/a11y/gail.c
+++ b/gtk/a11y/gail.c
@@ -40,7 +40,6 @@
 #include "gailmenuitem.h"
 #include "gailnotebook.h"
 #include "gailpaned.h"
-#include "gailprogressbar.h"
 #include "gailradiobutton.h"
 #include "gailradiomenuitem.h"
 #include "gailrenderercell.h"
@@ -117,7 +116,6 @@ GAIL_IMPLEMENT_FACTORY (GAIL_TYPE_RANGE, GailRange, gail_range, GTK_TYPE_RANGE)
 GAIL_IMPLEMENT_FACTORY (GAIL_TYPE_SCALE_BUTTON, GailScaleButton, gail_scale_button, GTK_TYPE_SCALE_BUTTON)
 GAIL_IMPLEMENT_FACTORY (GAIL_TYPE_STATUSBAR, GailStatusbar, gail_statusbar, GTK_TYPE_STATUSBAR)
 GAIL_IMPLEMENT_FACTORY (GAIL_TYPE_NOTEBOOK, GailNotebook, gail_notebook, GTK_TYPE_NOTEBOOK)
-GAIL_IMPLEMENT_FACTORY (GAIL_TYPE_PROGRESS_BAR, GailProgressBar, gail_progress_bar, GTK_TYPE_PROGRESS_BAR)
 GAIL_IMPLEMENT_FACTORY (GAIL_TYPE_TREE_VIEW, GailTreeView, gail_tree_view, GTK_TYPE_TREE_VIEW)
 GAIL_IMPLEMENT_FACTORY (GAIL_TYPE_RADIO_BUTTON, GailRadioButton, gail_radio_button, GTK_TYPE_RADIO_BUTTON)
 GAIL_IMPLEMENT_FACTORY (GAIL_TYPE_SCROLLED_WINDOW, GailScrolledWindow, gail_scrolled_window, GTK_TYPE_SCROLLED_WINDOW)
@@ -884,7 +882,6 @@ gail_accessibility_module_init (void)
   GAIL_WIDGET_SET_FACTORY (GTK_TYPE_SCALE_BUTTON, gail_scale_button);
   GAIL_WIDGET_SET_FACTORY (GTK_TYPE_STATUSBAR, gail_statusbar);
   GAIL_WIDGET_SET_FACTORY (GTK_TYPE_NOTEBOOK, gail_notebook);
-  GAIL_WIDGET_SET_FACTORY (GTK_TYPE_PROGRESS_BAR, gail_progress_bar);
   GAIL_WIDGET_SET_FACTORY (GTK_TYPE_TREE_VIEW, gail_tree_view);
   GAIL_WIDGET_SET_FACTORY (GTK_TYPE_CELL_RENDERER_TEXT, gail_text_cell);
   GAIL_WIDGET_SET_FACTORY (GTK_TYPE_CELL_RENDERER_TOGGLE, gail_boolean_cell);
diff --git a/gtk/a11y/gtkprogressbaraccessible.c b/gtk/a11y/gtkprogressbaraccessible.c
new file mode 100644
index 0000000..a75526a
--- /dev/null
+++ b/gtk/a11y/gtkprogressbaraccessible.c
@@ -0,0 +1,113 @@
+/* GAIL - The GNOME Accessibility Implementation Library
+ * Copyright 2001, 2002, 2003 Sun Microsystems Inc.
+ *
+ * This library 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 2 of the License, or (at your option) any later version.
+ *
+ * This library 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 Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <gtk/gtk.h>
+
+#include "gtkprogressbaraccessible.h"
+#include "gailadjustment.h"
+
+
+static void atk_value_interface_init (AtkValueIface  *iface);
+
+G_DEFINE_TYPE_WITH_CODE (GtkProgressBarAccessible, gtk_progress_bar_accessible, GAIL_TYPE_WIDGET,
+                         G_IMPLEMENT_INTERFACE (ATK_TYPE_VALUE, atk_value_interface_init))
+
+static void
+gtk_progress_bar_accessible_initialize (AtkObject *obj,
+                                        gpointer   data)
+{
+  ATK_OBJECT_CLASS (gtk_progress_bar_accessible_parent_class)->initialize (obj, data);
+
+  obj->role = ATK_ROLE_PROGRESS_BAR;
+}
+
+static void
+gtk_progress_bar_accessible_notify_gtk (GObject    *obj,
+                                        GParamSpec *pspec)
+{
+  GtkWidget *widget = GTK_WIDGET (obj);
+  AtkObject *accessible;
+
+  accessible = gtk_widget_get_accessible (widget);
+
+  if (strcmp (pspec->name, "fraction") == 0)
+    g_object_notify (G_OBJECT (accessible), "accessible-value");
+  else
+    GAIL_WIDGET_CLASS (gtk_progress_bar_accessible_parent_class)->notify_gtk (obj, pspec);
+}
+static void
+gtk_progress_bar_accessible_class_init (GtkProgressBarAccessibleClass *klass)
+{
+  AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
+  GailWidgetClass *widget_class;
+
+  widget_class = (GailWidgetClass*)klass;
+
+  widget_class->notify_gtk = gtk_progress_bar_accessible_notify_gtk;
+
+  class->initialize = gtk_progress_bar_accessible_initialize;
+}
+
+static void
+gtk_progress_bar_accessible_init (GtkProgressBarAccessible *bar)
+{
+}
+
+static void
+gtk_progress_bar_accessible_get_current_value (AtkValue *obj,
+                                               GValue   *value)
+{
+  GtkWidget *widget;
+
+  widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
+
+  memset (value, 0, sizeof (GValue));
+  g_value_init (value, G_TYPE_DOUBLE);
+  g_value_set_double (value, gtk_progress_bar_get_fraction (GTK_PROGRESS_BAR (widget)));
+}
+
+static void
+gtk_progress_bar_accessible_get_maximum_value (AtkValue *obj,
+                                               GValue   *value)
+{
+  memset (value, 0, sizeof (GValue));
+  g_value_init (value, G_TYPE_DOUBLE);
+  g_value_set_double (value, 1.0);
+}
+
+static void
+gtk_progress_bar_accessible_get_minimum_value (AtkValue *obj,
+                                               GValue   *value)
+{
+  memset (value, 0, sizeof (GValue));
+  g_value_init (value, G_TYPE_DOUBLE);
+  g_value_set_double (value, 0.0);
+}
+
+static void
+atk_value_interface_init (AtkValueIface *iface)
+{
+  iface->get_current_value = gtk_progress_bar_accessible_get_current_value;
+  iface->get_maximum_value = gtk_progress_bar_accessible_get_maximum_value;
+  iface->get_minimum_value = gtk_progress_bar_accessible_get_minimum_value;
+}
diff --git a/gtk/a11y/gtkprogressbaraccessible.h b/gtk/a11y/gtkprogressbaraccessible.h
new file mode 100644
index 0000000..80241b9
--- /dev/null
+++ b/gtk/a11y/gtkprogressbaraccessible.h
@@ -0,0 +1,51 @@
+/* GAIL - The GNOME Accessibility Implementation Library
+ * Copyright 2001 Sun Microsystems Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GTK_PROGRESS_BAR_ACCESSIBLE_H__
+#define __GTK_PROGRESS_BAR_ACCESSIBLE_H__
+
+#include "gailwidget.h"
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_PROGRESS_BAR_ACCESSIBLE                      (gtk_progress_bar_accessible_get_type ())
+#define GTK_PROGRESS_BAR_ACCESSIBLE(obj)                      (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_PROGRESS_BAR_ACCESSIBLE, GtkProgressBarAccessible))
+#define GTK_PROGRESS_BAR_ACCESSIBLE_CLASS(klass)                        (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_PROGRESS_BAR_ACCESSIBLE, GtkProgressBarAccessibleClass))
+#define GTK_IS_PROGRESS_BAR_ACCESSIBLE(obj)                       (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_PROGRESS_BAR_ACCESSIBLE))
+#define GTK_IS_PROGRESS_BAR_ACCESSIBLE_CLASS(klass)               (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PROGRESS_BAR_ACCESSIBLE))
+#define GTK_PROGRESS_BAR_ACCESSIBLE_GET_CLASS(obj)              (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PROGRESS_BAR_ACCESSIBLE, GtkProgressBarAccessibleClass))
+
+typedef struct _GtkProgressBarAccessible         GtkProgressBarAccessible;
+typedef struct _GtkProgressBarAccessibleClass   GtkProgressBarAccessibleClass;
+
+struct _GtkProgressBarAccessible
+{
+  GailWidget parent;
+};
+
+struct _GtkProgressBarAccessibleClass
+{
+  GailWidgetClass parent_class;
+};
+
+GType gtk_progress_bar_accessible_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GTK_PROGRESS_BAR_ACCESSIBLE_H__ */
diff --git a/gtk/gtkprogressbar.c b/gtk/gtkprogressbar.c
index aa1f28d..6d6b067 100644
--- a/gtk/gtkprogressbar.c
+++ b/gtk/gtkprogressbar.c
@@ -33,6 +33,8 @@
 #include "gtkprivate.h"
 #include "gtkintl.h"
 
+#include "a11y/gtkprogressbaraccessible.h"
+
 /**
  * SECTION:gtkprogressbar
  * @Short_description: A widget which indicates progress visually
@@ -284,6 +286,8 @@ gtk_progress_bar_class_init (GtkProgressBarClass *class)
                                                              G_PARAM_READWRITE));
 
   g_type_class_add_private (class, sizeof (GtkProgressBarPrivate));
+
+  gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_PROGRESS_BAR_ACCESSIBLE);
 }
 
 static void