[eog] Add new plugin hook for per-application plugins
- From: Felix Riemann <friemann src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [eog] Add new plugin hook for per-application plugins
- Date: Sun, 12 Aug 2012 14:51:13 +0000 (UTC)
commit cdfe77e18b7510e51546b869343f3feda4c541bf
Author: Felix Riemann <friemann gnome org>
Date: Sun Aug 12 15:53:18 2012 +0200
Add new plugin hook for per-application plugins
These will be loaded on application initialization and disabled
once the application is disposed.
src/Makefile.am | 2 +
src/eog-application-activatable.c | 85 +++++++++++++++++++++++++++++++++++++
src/eog-application-activatable.h | 69 ++++++++++++++++++++++++++++++
src/eog-application.c | 33 ++++++++++++++
src/eog-application.h | 4 ++
5 files changed, 193 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 5540401..969465b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -41,6 +41,7 @@ NOINST_H_FILES = \
INST_H_FILES = \
eog-application.h \
+ eog-application-activatable.h \
eog-clipboard-handler.h \
eog-debug.h \
eog-dialog.h \
@@ -64,6 +65,7 @@ INST_H_FILES = \
libeog_c_files = \
eog-application.c \
+ eog-application-activatable.c \
eog-clipboard-handler.c \
eog-close-confirmation-dialog.c \
eog-debug.c \
diff --git a/src/eog-application-activatable.c b/src/eog-application-activatable.c
new file mode 100644
index 0000000..638410a
--- /dev/null
+++ b/src/eog-application-activatable.c
@@ -0,0 +1,85 @@
+/*
+ * eog-application-activatable.c
+ * This file is part of eog
+ *
+ * Author: Felix Riemann <friemann gnome org>
+ *
+ * Copyright (C) 2012 Felix Riemann
+ *
+ * Base on code by:
+ * - Steve FrÃcinaux <code istique net>
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "eog-application-activatable.h"
+
+#include <glib-object.h>
+#include "eog-application.h"
+
+G_DEFINE_INTERFACE(EogApplicationActivatable, eog_application_activatable, G_TYPE_OBJECT)
+
+void
+eog_application_activatable_default_init (EogApplicationActivatableInterface *iface)
+{
+ static gboolean initialized = FALSE;
+
+ if (!initialized) {
+ /**
+ * EogApplicationActivatable:app:
+ *
+ * This is the #EogApplication this #EogApplicationActivatable instance
+ * should be attached to.
+ */
+ g_object_interface_install_property (iface,
+ g_param_spec_object ("app", "Application",
+ "The EogApplication this instance it attached to",
+ EOG_TYPE_APPLICATION,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_STATIC_STRINGS));
+ initialized = TRUE;
+ }
+}
+
+void
+eog_application_activatable_activate (EogApplicationActivatable *activatable)
+{
+ EogApplicationActivatableInterface *iface;
+
+ g_return_if_fail (EOG_IS_APPLICATION_ACTIVATABLE (activatable));
+
+ iface = EOG_APPLICATION_ACTIVATABLE_GET_IFACE (activatable);
+
+ if (G_LIKELY (iface->activate != NULL))
+ iface->activate (activatable);
+}
+
+void
+eog_application_activatable_deactivate (EogApplicationActivatable *activatable)
+{
+ EogApplicationActivatableInterface *iface;
+
+ g_return_if_fail (EOG_IS_APPLICATION_ACTIVATABLE (activatable));
+
+ iface = EOG_APPLICATION_ACTIVATABLE_GET_IFACE (activatable);
+
+ if (G_LIKELY (iface->deactivate != NULL))
+ iface->deactivate (activatable);
+}
diff --git a/src/eog-application-activatable.h b/src/eog-application-activatable.h
new file mode 100644
index 0000000..4045981
--- /dev/null
+++ b/src/eog-application-activatable.h
@@ -0,0 +1,69 @@
+/*
+ * eog-application-activatable.h
+ * This file is part of eog
+ *
+ * Author: Felix Riemann <friemann gnome org>
+ *
+ * Copyright (C) 2012 Felix Riemann
+ *
+ * Base on code by:
+ * - Steve FrÃcinaux <code istique net>
+ *
+ * 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 __EOG_APPLICATION_ACTIVATABLE_H__
+#define __EOG_APPLICATION_ACTIVATABLE_H__
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define EOG_TYPE_APPLICATION_ACTIVATABLE (eog_application_activatable_get_type ())
+#define EOG_APPLICATION_ACTIVATABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+ EOG_TYPE_APPLICATION_ACTIVATABLE, \
+ EogApplicationActivatable))
+#define EOG_APPLICATION_ACTIVATABLE_IFACE(obj) \
+ (G_TYPE_CHECK_CLASS_CAST ((obj), \
+ EOG_TYPE_APPLICATION_ACTIVATABLE, \
+ EogApplicationActivatableInterface))
+#define EOG_IS_APPLICATION_ACTIVATABLE(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
+ EOG_TYPE_APPLICATION_ACTIVATABLE))
+#define EOG_APPLICATION_ACTIVATABLE_GET_IFACE(obj) \
+ (G_TYPE_INSTANCE_GET_INTERFACE ((obj), \
+ EOG_TYPE_APPLICATION_ACTIVATABLE, \
+ EogApplicationActivatableInterface))
+
+typedef struct _EogApplicationActivatable EogApplicationActivatable;
+typedef struct _EogApplicationActivatableInterface EogApplicationActivatableInterface;
+
+struct _EogApplicationActivatableInterface
+{
+ GTypeInterface g_iface;
+
+ /* vfuncs */
+
+ void (*activate) (EogApplicationActivatable *activatable);
+ void (*deactivate) (EogApplicationActivatable *activatable);
+};
+
+GType eog_application_activatable_get_type (void) G_GNUC_CONST;
+
+void eog_application_activatable_activate (EogApplicationActivatable *activatable);
+void eog_application_activatable_deactivate (EogApplicationActivatable *activatable);
+
+G_END_DECLS
+#endif /* __EOG_APPLICATION_ACTIVATABLE_H__ */
diff --git a/src/eog-application.c b/src/eog-application.c
index a97658a..0716d8e 100644
--- a/src/eog-application.c
+++ b/src/eog-application.c
@@ -31,6 +31,7 @@
#include "eog-session.h"
#include "eog-window.h"
#include "eog-application.h"
+#include "eog-application-activatable.h"
#include "eog-util.h"
#include "totem-scrsaver.h"
@@ -266,6 +267,9 @@ eog_application_finalize (GObject *object)
g_free (application->toolbars_file);
application->toolbars_file = NULL;
}
+
+ g_clear_object (&application->extensions);
+
if (application->plugin_engine) {
g_object_unref (application->plugin_engine);
application->plugin_engine = NULL;
@@ -331,6 +335,24 @@ eog_application_class_init (EogApplicationClass *eog_application_class)
}
static void
+on_extension_added (PeasExtensionSet *set,
+ PeasPluginInfo *info,
+ PeasExtension *exten,
+ EogApplication *app)
+{
+ eog_application_activatable_activate (EOG_APPLICATION_ACTIVATABLE (exten));
+}
+
+static void
+on_extension_removed (PeasExtensionSet *set,
+ PeasPluginInfo *info,
+ PeasExtension *exten,
+ EogApplication *app)
+{
+ eog_application_activatable_deactivate (EOG_APPLICATION_ACTIVATABLE (exten));
+}
+
+static void
eog_application_init (EogApplication *eog_application)
{
const gchar *dot_dir = eog_util_dot_dir ();
@@ -361,6 +383,17 @@ eog_application_init (EogApplication *eog_application)
EGG_TB_MODEL_NOT_REMOVABLE);
eog_application_load_accelerators ();
+
+ eog_application->extensions = peas_extension_set_new (
+ PEAS_ENGINE (eog_application->plugin_engine),
+ EOG_TYPE_APPLICATION_ACTIVATABLE,
+ "app", EOG_APPLICATION (eog_application),
+ NULL);
+ peas_extension_set_call (eog_application->extensions, "activate");
+ g_signal_connect (eog_application->extensions, "extension-added",
+ G_CALLBACK (on_extension_added), eog_application);
+ g_signal_connect (eog_application->extensions, "extension-removed",
+ G_CALLBACK (on_extension_removed), eog_application);
}
/**
diff --git a/src/eog-application.h b/src/eog-application.h
index b93688c..36122d5 100644
--- a/src/eog-application.h
+++ b/src/eog-application.h
@@ -34,6 +34,8 @@
#include <glib.h>
#include <glib-object.h>
+#include <libpeas/peas-extension-set.h>
+
G_BEGIN_DECLS
typedef struct _EogApplication EogApplication;
@@ -60,6 +62,8 @@ struct _EogApplication {
EogStartupFlags flags;
GSettings *ui_settings;
+
+ PeasExtensionSet *extensions;
};
struct _EogApplicationClass {
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