[gnome-photos] Add PhotosModeController



commit b95039047991593c7cc8b5b24c32a0a7006f3efa
Author: Debarshi Ray <debarshir gnome org>
Date:   Mon Apr 23 17:20:51 2012 +0200

    Add PhotosModeController

 src/Makefile.am              |   80 ++++++++++++++++
 src/photos-application.c     |   10 ++
 src/photos-enums.c.template  |   51 ++++++++++
 src/photos-enums.h.template  |   34 +++++++
 src/photos-marshalers.list   |    1 +
 src/photos-mode-controller.c |  216 ++++++++++++++++++++++++++++++++++++++++++
 src/photos-mode-controller.h |   84 ++++++++++++++++
 7 files changed, 476 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index bb1526b..68ba782 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,13 +1,33 @@
 bin_PROGRAMS = gnome-photos
 
+gnome_photos_built_sources = \
+	photos-enums.c \
+	photos-enums.h \
+	photos-marshalers.c \
+	photos-marshalers.h \
+	$(NULL)
+
 gnome_photos_SOURCES = \
+	$(gnome_photos_built_sources) \
 	photos-application.c \
 	photos-application.h \
 	photos-main-window.c \
 	photos-main-window.h \
+	photos-mode-controller.c \
+	photos-mode-controller.h \
 	photos-main.c \
 	$(NULL)
 
+BUILT_SOURCES = \
+	$(gnome_photos_built_sources) \
+	$(NULL)
+
+EXTRA_DIST = \
+	photos-enums.c.template \
+	photos-enums.h.template \
+	photos-marshalers.list \
+	$(null)
+
 AM_CPPFLAGS = \
 	-DPACKAGE_LOCALE_DIR=\""${datadir}/locale"\" \
 	$(CLUTTER_GTK_CFLAGS) \
@@ -26,3 +46,63 @@ gnome_photos_LDADD = \
 	$(GTK_LIBS) \
 	$(TRACKER_LIBS) \
 	$(NULL)
+
+CLEANFILES = \
+	xgen-etbc \
+	xgen-etbh \
+	xgen-tmc \
+	xgen-tmh \
+	$(NULL)
+
+DISTCLEANFILES = \
+	$(gnome_photos_built_sources) \
+	stamp-photos-enums.h \
+	stamp-photos-marshalers.h \
+	$(NULL)
+
+photos-enums.h: stamp-photos-enums.h
+	@true
+
+stamp-photos-enums.h: photos-enums.h.template
+	$(AM_V_GEN) ( \
+		cd $(srcdir) \
+		&& ( glib-mkenums \
+			--template photos-enums.h.template $(gnome_photos_SOURCES) ) >> xgen-etbh \
+		&& ( cmp -s xgen-etbh photos-enums.h || cp xgen-etbh photos-enums.h ) \
+		&& rm -f xgen-etbh \
+		&& echo timestamp > $(@F) \
+	)
+
+photos-enums.c: photos-enums.c.template
+	$(AM_V_GEN) ( \
+		cd $(srcdir) \
+		&& ( glib-mkenums \
+			--template photos-enums.c.template $(gnome_photos_SOURCES) ) >> xgen-etbc \
+		&& ( cmp -s xgen-etbc photos-enums.c || cp xgen-etbc photos-enums.c ) \
+		&& rm -f xgen-etbc \
+	)
+
+photos-marshalers.h: stamp-photos-marshalers.h
+	@true
+
+stamp-photos-marshalers.h: photos-marshalers.list Makefile
+	$(AM_V_GEN) ( \
+		cd $(srcdir) \
+		&& ( glib-genmarshal \
+			--prefix=_photos_marshal \
+			--header photos-marshalers.list ) >> xgen-tmh \
+		&& ( cmp -s xgen-tmh photos-marshalers.h || cp xgen-tmh photos-marshalers.h ) \
+		&& rm -f xgen-tmh \
+		&& echo timestamp > $(@F) \
+	)
+
+photos-marshalers.c: photos-marshalers.list photos-marshalers.h Makefile
+	$(AM_V_GEN) ( \
+		cd $(srcdir) \
+		&& echo "#include \"photos-marshalers.h\"" > xgen-tmc \
+		&& ( glib-genmarshal \
+			--prefix=_photos_marshal \
+			--body photos-marshalers.list ) >> xgen-tmc \
+		&& cp xgen-tmc photos-marshalers.c \
+		&& rm -f xgen-tmc \
+	)
diff --git a/src/photos-application.c b/src/photos-application.c
index 91f6845..ffd3589 100644
--- a/src/photos-application.c
+++ b/src/photos-application.c
@@ -29,11 +29,13 @@
 
 #include "photos-application.h"
 #include "photos-main-window.h"
+#include "photos-mode-controller.h"
 
 
 struct _PhotosApplicationPrivate
 {
   GtkWidget *main_window;
+  PhotosModeController *controller;
   TrackerSparqlConnection *connection;
 };
 
@@ -100,6 +102,8 @@ photos_application_startup (GApplication *application)
       return;
     }
 
+  priv->controller = photos_mode_controller_new ();
+
   action = g_simple_action_new ("about", NULL);
   g_signal_connect (action, "activate", G_CALLBACK (photos_application_about), self);
   g_action_map_add_action (G_ACTION_MAP (self), G_ACTION (action));
@@ -136,6 +140,12 @@ photos_application_dispose (GObject *object)
   PhotosApplication *self = PHOTOS_APPLICATION (object);
   PhotosApplicationPrivate *priv = self->priv;
 
+  if (priv->controller != NULL)
+    {
+      g_object_unref (priv->controller);
+      priv->controller = NULL;
+    }
+
   if (priv->connection != NULL)
     {
       g_object_unref (priv->connection);
diff --git a/src/photos-enums.c.template b/src/photos-enums.c.template
new file mode 100644
index 0000000..cf3c0a7
--- /dev/null
+++ b/src/photos-enums.c.template
@@ -0,0 +1,51 @@
+/*** BEGIN file-header ***/
+
+#include "config.h"
+
+#include "photos-enums.h"
+#include "photos-mode-controller.h"
+
+/*** END file-header ***/
+
+
+/*** BEGIN file-production ***/
+
+/* enumerations from "@filename@" */
+
+/*** END file-production ***/
+
+
+/*** BEGIN value-header ***/
+
+GType
+ enum_name@_get_type (void)
+{
+    static GType etype = 0;
+    if (G_UNLIKELY(etype == 0)) {
+        static const G Type@Value values[] = {
+
+/*** END value-header ***/
+
+
+/*** BEGIN value-production ***/
+
+            { @VALUENAME@, "@VALUENAME@", "@valuenick@" },
+
+/*** END value-production ***/
+
+
+/*** BEGIN value-tail ***/
+
+            { 0, NULL, NULL }
+        };
+        etype = g_ type@_register_static (g_intern_static_string ("@EnumName@"), values);
+    }
+    return etype;
+}
+
+/*** END value-tail ***/
+
+
+/*** BEGIN file-tail ***/
+
+/*** END file-tail ***/
diff --git a/src/photos-enums.h.template b/src/photos-enums.h.template
new file mode 100644
index 0000000..63b6942
--- /dev/null
+++ b/src/photos-enums.h.template
@@ -0,0 +1,34 @@
+/*** BEGIN file-header ***/
+
+#ifndef PHOTOS_ENUMS_H
+#define PHOTOS_ENUMS_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+/*** END file-header ***/
+
+
+/*** BEGIN file-production ***/
+
+/* enumerations from "@filename@" */
+
+/*** END file-production ***/
+
+
+/*** BEGIN value-header ***/
+
+GType @enum_name _get_type (void) G_GNUC_CONST;
+#define PHOTOS_TYPE_ ENUMSHORT@ (@enum_name _get_type ())
+
+/*** END value-header ***/
+
+
+/*** BEGIN file-tail ***/
+
+G_END_DECLS
+
+#endif /* PHOTOS_ENUMS_H */
+
+/*** END file-tail ***/
\ No newline at end of file
diff --git a/src/photos-marshalers.list b/src/photos-marshalers.list
new file mode 100644
index 0000000..438c55c
--- /dev/null
+++ b/src/photos-marshalers.list
@@ -0,0 +1 @@
+VOID:ENUM,ENUM
diff --git a/src/photos-mode-controller.c b/src/photos-mode-controller.c
new file mode 100644
index 0000000..910a3a9
--- /dev/null
+++ b/src/photos-mode-controller.c
@@ -0,0 +1,216 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright  2012 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+
+#include "config.h"
+
+#include <clutter-gtk/clutter-gtk.h>
+#include <glib.h>
+#include <glib/gi18n.h>
+
+#include "photos-enums.h"
+#include "photos-marshalers.h"
+#include "photos-mode-controller.h"
+
+
+struct _PhotosModeControllerPrivate
+{
+  PhotosWindowMode mode;
+  gboolean fullscreen;
+  gboolean can_fullscreen;
+};
+
+enum
+{
+  CAN_FULLSCREEN_CHANGED,
+  FULLSCREEN_CHANGED,
+  WINDOW_MODE_CHANGED,
+  LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+
+G_DEFINE_TYPE (PhotosModeController, photos_mode_controller, G_TYPE_OBJECT);
+
+
+static GObject *
+photos_mode_controller_constructor (GType type, guint n_construct_params, GObjectConstructParam *construct_params)
+{
+  static GObject *self = NULL;
+
+  if (self == NULL)
+    {
+      self = G_OBJECT_CLASS (photos_mode_controller_parent_class)->constructor (type,
+                                                                                n_construct_params,
+                                                                                construct_params);
+      g_object_add_weak_pointer (self, (gpointer) &self);
+      return self;
+    }
+
+  return g_object_ref (self);
+}
+
+
+static void
+photos_mode_controller_init (PhotosModeController *self)
+{
+  PhotosModeControllerPrivate *priv;
+
+  self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, PHOTOS_TYPE_MODE_CONTROLLER, PhotosModeControllerPrivate);
+  priv = self->priv;
+
+  priv->mode = PHOTOS_WINDOW_MODE_NONE;
+  priv->fullscreen = FALSE;
+  priv->can_fullscreen = FALSE;
+}
+
+
+static void
+photos_mode_controller_class_init (PhotosModeControllerClass *class)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+  object_class->constructor = photos_mode_controller_constructor;
+
+  signals[CAN_FULLSCREEN_CHANGED] = g_signal_new ("can-fullscreen-changed",
+                                                  G_TYPE_FROM_CLASS (class),
+                                                  G_SIGNAL_RUN_LAST,
+                                                  G_STRUCT_OFFSET (PhotosModeControllerClass,
+                                                                   can_fullscreen_changed),
+                                                  NULL, /*accumulator */
+                                                  NULL, /*accu_data */
+                                                  g_cclosure_marshal_VOID__VOID,
+                                                  G_TYPE_NONE,
+                                                  0);
+
+  signals[FULLSCREEN_CHANGED] = g_signal_new ("fullscreen-changed",
+                                              G_TYPE_FROM_CLASS (class),
+                                              G_SIGNAL_RUN_LAST,
+                                              G_STRUCT_OFFSET (PhotosModeControllerClass,
+                                                               fullscreen_changed),
+                                              NULL, /*accumulator */
+                                              NULL, /* accu_data */
+                                              g_cclosure_marshal_VOID__BOOLEAN,
+                                              G_TYPE_NONE,
+                                              1,
+                                              G_TYPE_BOOLEAN);
+
+  signals[WINDOW_MODE_CHANGED] = g_signal_new ("window-mode-changed",
+                                               G_TYPE_FROM_CLASS (class),
+                                               G_SIGNAL_RUN_LAST,
+                                               G_STRUCT_OFFSET (PhotosModeControllerClass,
+                                                                window_mode_changed),
+                                               NULL, /*accumulator */
+                                               NULL, /*accu_data */
+                                               _photos_marshal_VOID__ENUM_ENUM,
+                                               G_TYPE_NONE,
+                                               2,
+                                               PHOTOS_TYPE_WINDOW_MODE,
+                                               PHOTOS_TYPE_WINDOW_MODE);
+
+  g_type_class_add_private (class, sizeof (PhotosModeControllerPrivate));
+}
+
+
+PhotosModeController *
+photos_mode_controller_new (void)
+{
+  return g_object_new (PHOTOS_TYPE_MODE_CONTROLLER, NULL);
+}
+
+
+PhotosWindowMode
+photos_mode_controller_get_can_fullscreen (PhotosModeController *self)
+{
+  return self->priv->can_fullscreen;
+}
+
+
+PhotosWindowMode
+photos_mode_controller_get_fullscreen (PhotosModeController *self)
+{
+  return self->priv->fullscreen;
+}
+
+
+PhotosWindowMode
+photos_mode_controller_get_window_mode (PhotosModeController *self)
+{
+  return self->priv->mode;
+}
+
+
+void
+photos_mode_controller_toggle_fullscreen (PhotosModeController *self)
+{
+  photos_mode_controller_set_fullscreen (self, !self->priv->fullscreen);
+}
+
+
+void
+photos_mode_controller_set_can_fullscreen (PhotosModeController *self, gboolean can_fullscreen)
+{
+  PhotosModeControllerPrivate *priv = self->priv;
+
+  priv->can_fullscreen = can_fullscreen;
+  if (!priv->can_fullscreen && priv->fullscreen)
+    photos_mode_controller_set_fullscreen (self, FALSE);
+
+  g_signal_emit (self, signals[CAN_FULLSCREEN_CHANGED], 0);
+}
+
+
+void
+photos_mode_controller_set_fullscreen (PhotosModeController *self, gboolean fullscreen)
+{
+  PhotosModeControllerPrivate *priv = self->priv;
+
+  if (priv->mode != PHOTOS_WINDOW_MODE_PREVIEW)
+    return;
+
+  if (priv->fullscreen == fullscreen)
+    return;
+
+  if (fullscreen && !priv->can_fullscreen)
+    return;
+
+  priv->fullscreen = fullscreen;
+  g_signal_emit (self, signals[FULLSCREEN_CHANGED], 0, priv->fullscreen);
+}
+
+
+void
+photos_mode_controller_set_window_mode (PhotosModeController *self, PhotosWindowMode mode)
+{
+  PhotosModeControllerPrivate *priv = self->priv;
+  PhotosWindowMode old_mode;
+
+  old_mode = priv->mode;
+
+  if (old_mode == mode)
+    return;
+
+  if (mode == PHOTOS_WINDOW_MODE_OVERVIEW)
+    photos_mode_controller_set_can_fullscreen (self, FALSE);
+
+  priv->mode = mode;
+  g_signal_emit (self, signals[WINDOW_MODE_CHANGED], 0, priv->mode, old_mode);
+}
diff --git a/src/photos-mode-controller.h b/src/photos-mode-controller.h
new file mode 100644
index 0000000..2db54cd
--- /dev/null
+++ b/src/photos-mode-controller.h
@@ -0,0 +1,84 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright  2012 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef PHOTOS_MODE_CONTROLLER_H
+#define PHOTOS_MODE_CONTROLLER_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define PHOTOS_TYPE_MODE_CONTROLLER            (photos_mode_controller_get_type ())
+#define PHOTOS_MODE_CONTROLLER(o)              (G_TYPE_CHECK_INSTANCE_CAST ((o), PHOTOS_TYPE_MODE_CONTROLLER, PhotosModeController))
+#define PHOTOS_MODE_CONTROLLER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), PHOTOS_TYPE_MODE_CONTROLLER, PhotosModeControllerClass))
+#define PHOTOS_IS_MODE_CONTROLLER(o)           (G_TYPE_CHECK_INSTANCE_TYPE ((o), PHOTOS_TYPE_MODE_CONTROLLER))
+#define PHOTOS_IS_MODE_CONTROLLER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PHOTOS_TYPE_MODE_CONTROLLER))
+#define PHOTOS_MODE_CONTROLLER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), PHOTOS_TYPE_MODE_CONTROLLER, PhotosModeControllerClass))
+
+typedef enum
+{
+  PHOTOS_WINDOW_MODE_NONE,
+  PHOTOS_WINDOW_MODE_OVERVIEW,
+  PHOTOS_WINDOW_MODE_PREVIEW
+} PhotosWindowMode;
+
+typedef struct _PhotosModeController        PhotosModeController;
+typedef struct _PhotosModeControllerClass   PhotosModeControllerClass;
+typedef struct _PhotosModeControllerPrivate PhotosModeControllerPrivate;
+
+struct _PhotosModeController
+{
+  GObject parent_instance;
+  PhotosModeControllerPrivate *priv;
+};
+
+struct _PhotosModeControllerClass
+{
+  GObjectClass parent_class;
+
+  void (*can_fullscreen_changed) (PhotosModeController *self);
+  void (*fullscreen_changed)     (PhotosModeController *self, gboolean fullscreen);
+  void (*window_mode_changed)    (PhotosModeController *self, PhotosWindowMode mode, PhotosWindowMode old_mode);
+};
+
+GType                  photos_mode_controller_get_type               (void) G_GNUC_CONST;
+
+PhotosModeController  *photos_mode_controller_new                    (void);
+
+PhotosWindowMode       photos_mode_controller_get_can_fullscreen     (PhotosModeController *self);
+
+PhotosWindowMode       photos_mode_controller_get_fullscreen         (PhotosModeController *self);
+
+PhotosWindowMode       photos_mode_controller_get_window_mode        (PhotosModeController *self);
+
+void                   photos_mode_controller_toggle_fullscreen      (PhotosModeController *self);
+
+void                   photos_mode_controller_set_can_fullscreen     (PhotosModeController *self,
+                                                                      gboolean              can_fullscreen);
+
+void                   photos_mode_controller_set_fullscreen         (PhotosModeController *self,
+                                                                      gboolean              fullscreen);
+
+void                   photos_mode_controller_set_window_mode        (PhotosModeController *self,
+                                                                      PhotosWindowMode      mode);
+
+G_END_DECLS
+
+#endif /* PHOTOS_MODE_CONTROLLER_H */



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