From bb3b0c0a009cbf5f699a37c656b43bdc5a12b7b0 Mon Sep 17 00:00:00 2001 From: Felix Riemann Date: Sun, 12 Aug 2012 15:53:18 +0200 Subject: Add new plugin hook for per-application plugins These will be loaded on application initialization and disabled once the application is disposed. origin commit: https://gitlab.gnome.org/GNOME/eog/commit/cdfe77e --- src/Makefile.am | 2 + src/eom-application-activatable.c | 86 +++++++++++++++++++++++++++++++++++++++ src/eom-application-activatable.h | 70 +++++++++++++++++++++++++++++++ src/eom-application.c | 33 +++++++++++++++ src/eom-application.h | 4 ++ 5 files changed, 195 insertions(+) create mode 100644 src/eom-application-activatable.c create mode 100644 src/eom-application-activatable.h diff --git a/src/Makefile.am b/src/Makefile.am index 0bfb4d2..79fe623 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -38,6 +38,7 @@ NOINST_H_FILES = \ INST_H_FILES = \ eom-application.h \ + eom-application-activatable.h \ eom-debug.h \ eom-window.h \ eom-window-activatable.h \ @@ -62,6 +63,7 @@ INST_H_FILES = \ libeom_c_files = \ eom-application.c \ + eom-application-activatable.c \ eom-session.c \ eom-debug.c \ eom-util.c \ diff --git a/src/eom-application-activatable.c b/src/eom-application-activatable.c new file mode 100644 index 0000000..5433ad5 --- /dev/null +++ b/src/eom-application-activatable.c @@ -0,0 +1,86 @@ +/* + * eom-application-activatable.c + * This file is part of eom + * + * Author: Felix Riemann + * + * Copyright (C) 2012 Felix Riemann + * + * Base on code by: + * - Steve Frécinaux + * + * 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 "eom-application-activatable.h" + +#include +#include "eom-application.h" + +G_DEFINE_INTERFACE(EomApplicationActivatable, eom_application_activatable, G_TYPE_OBJECT) + +void +eom_application_activatable_default_init (EomApplicationActivatableInterface *iface) +{ + static gboolean initialized = FALSE; + + if (!initialized) { + /** + * EomApplicationActivatable:app: + * + * This is the #EomApplication this #EomApplicationActivatable instance + * should be attached to. + */ + g_object_interface_install_property (iface, + g_param_spec_object ("app", "Application", + "The EomApplication this instance it attached to", + EOM_TYPE_APPLICATION, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY | + G_PARAM_STATIC_STRINGS)); + initialized = TRUE; + } +} + +void +eom_application_activatable_activate (EomApplicationActivatable *activatable) +{ + EomApplicationActivatableInterface *iface; + + g_return_if_fail (EOM_IS_APPLICATION_ACTIVATABLE (activatable)); + + iface = EOM_APPLICATION_ACTIVATABLE_GET_IFACE (activatable); + + if (G_LIKELY (iface->activate != NULL)) + iface->activate (activatable); +} + +void +eom_application_activatable_deactivate (EomApplicationActivatable *activatable) +{ + EomApplicationActivatableInterface *iface; + + g_return_if_fail (EOM_IS_APPLICATION_ACTIVATABLE (activatable)); + + iface = EOM_APPLICATION_ACTIVATABLE_GET_IFACE (activatable); + + if (G_LIKELY (iface->deactivate != NULL)) + iface->deactivate (activatable); +} + diff --git a/src/eom-application-activatable.h b/src/eom-application-activatable.h new file mode 100644 index 0000000..5ab09dc --- /dev/null +++ b/src/eom-application-activatable.h @@ -0,0 +1,70 @@ +/* + * eom-application-activatable.h + * This file is part of eom + * + * Author: Felix Riemann + * + * Copyright (C) 2012 Felix Riemann + * + * Base on code by: + * - Steve Frécinaux + * + * 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 __EOM_APPLICATION_ACTIVATABLE_H__ +#define __EOM_APPLICATION_ACTIVATABLE_H__ + +#include + +G_BEGIN_DECLS + +#define EOM_TYPE_APPLICATION_ACTIVATABLE (eom_application_activatable_get_type ()) +#define EOM_APPLICATION_ACTIVATABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), \ + EOM_TYPE_APPLICATION_ACTIVATABLE, \ + EomApplicationActivatable)) +#define EOM_APPLICATION_ACTIVATABLE_IFACE(obj) \ + (G_TYPE_CHECK_CLASS_CAST ((obj), \ + EOM_TYPE_APPLICATION_ACTIVATABLE, \ + EomApplicationActivatableInterface)) +#define EOM_IS_APPLICATION_ACTIVATABLE(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \ + EOM_TYPE_APPLICATION_ACTIVATABLE)) +#define EOM_APPLICATION_ACTIVATABLE_GET_IFACE(obj) \ + (G_TYPE_INSTANCE_GET_INTERFACE ((obj), \ + EOM_TYPE_APPLICATION_ACTIVATABLE, \ + EomApplicationActivatableInterface)) + +typedef struct _EomApplicationActivatable EomApplicationActivatable; +typedef struct _EomApplicationActivatableInterface EomApplicationActivatableInterface; + +struct _EomApplicationActivatableInterface +{ + GTypeInterface g_iface; + + /* vfuncs */ + + void (*activate) (EomApplicationActivatable *activatable); + void (*deactivate) (EomApplicationActivatable *activatable); +}; + +GType eom_application_activatable_get_type (void) G_GNUC_CONST; + +void eom_application_activatable_activate (EomApplicationActivatable *activatable); +void eom_application_activatable_deactivate (EomApplicationActivatable *activatable); + +G_END_DECLS +#endif /* __EOM_APPLICATION_ACTIVATABLE_H__ */ + diff --git a/src/eom-application.c b/src/eom-application.c index 6135ae1..1ab52d1 100644 --- a/src/eom-application.c +++ b/src/eom-application.c @@ -30,6 +30,7 @@ #include "eom-session.h" #include "eom-window.h" #include "eom-application.h" +#include "eom-application-activatable.h" #include "eom-util.h" #include @@ -86,6 +87,9 @@ eom_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; @@ -146,6 +150,24 @@ eom_application_class_init (EomApplicationClass *eom_application_class) application_class->before_emit = eom_application_before_emit; } +static void +on_extension_added (PeasExtensionSet *set, + PeasPluginInfo *info, + PeasExtension *exten, + EomApplication *app) +{ + eom_application_activatable_activate (EOM_APPLICATION_ACTIVATABLE (exten)); +} + +static void +on_extension_removed (PeasExtensionSet *set, + PeasPluginInfo *info, + PeasExtension *exten, + EomApplication *app) +{ + eom_application_activatable_deactivate (EOM_APPLICATION_ACTIVATABLE (exten)); +} + static void eom_application_init (EomApplication *eom_application) { @@ -175,6 +197,17 @@ eom_application_init (EomApplication *eom_application) EGG_TB_MODEL_NOT_REMOVABLE); eom_application_load_accelerators (); + + eom_application->extensions = peas_extension_set_new ( + PEAS_ENGINE (eom_application->plugin_engine), + EOM_TYPE_APPLICATION_ACTIVATABLE, + "app", EOM_APPLICATION (eom_application), + NULL); + peas_extension_set_call (eom_application->extensions, "activate"); + g_signal_connect (eom_application->extensions, "extension-added", + G_CALLBACK (on_extension_added), eom_application); + g_signal_connect (eom_application->extensions, "extension-removed", + G_CALLBACK (on_extension_removed), eom_application); } /** diff --git a/src/eom-application.h b/src/eom-application.h index 16c4419..01e8887 100644 --- a/src/eom-application.h +++ b/src/eom-application.h @@ -32,6 +32,8 @@ #include #include +#include + G_BEGIN_DECLS typedef struct _EomApplication EomApplication; @@ -56,6 +58,8 @@ struct _EomApplication { EomPluginEngine *plugin_engine; EomStartupFlags flags; + + PeasExtensionSet *extensions; }; struct _EomApplicationClass { -- cgit v1.2.1