448 lines
15 KiB
C
448 lines
15 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995-2002 Spencer Kimball, Peter Mattis, and others
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*
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* pikapluginmanager.c
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <gegl.h>
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#include "libpikabase/pikabase.h"
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#include "libpikaconfig/pikaconfig.h"
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#include "plug-in-types.h"
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#include "config/pikacoreconfig.h"
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#include "core/pika.h"
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#include "core/pika-filter-history.h"
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#include "core/pika-memsize.h"
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#include "core/pikamarshal.h"
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#include "pdb/pikapdb.h"
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#include "pikaenvirontable.h"
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#include "pikainterpreterdb.h"
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#include "pikaplugin.h"
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#include "pikaplugindebug.h"
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#include "pikaplugindef.h"
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#include "pikapluginmanager.h"
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#include "pikapluginmanager-data.h"
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#include "pikapluginmanager-help-domain.h"
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#include "pikapluginmanager-menu-branch.h"
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#include "pikapluginshm.h"
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#include "pikatemporaryprocedure.h"
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#include "pika-intl.h"
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enum
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{
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PLUG_IN_OPENED,
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PLUG_IN_CLOSED,
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MENU_BRANCH_ADDED,
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LAST_SIGNAL
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};
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static void pika_plug_in_manager_finalize (GObject *object);
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static gint64 pika_plug_in_manager_get_memsize (PikaObject *object,
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gint64 *gui_size);
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G_DEFINE_TYPE (PikaPlugInManager, pika_plug_in_manager, PIKA_TYPE_OBJECT)
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#define parent_class pika_plug_in_manager_parent_class
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static guint manager_signals[LAST_SIGNAL] = { 0, };
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static void
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pika_plug_in_manager_class_init (PikaPlugInManagerClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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PikaObjectClass *pika_object_class = PIKA_OBJECT_CLASS (klass);
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manager_signals[PLUG_IN_OPENED] =
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g_signal_new ("plug-in-opened",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (PikaPlugInManagerClass,
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plug_in_opened),
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NULL, NULL, NULL,
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G_TYPE_NONE, 1,
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PIKA_TYPE_PLUG_IN);
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manager_signals[PLUG_IN_CLOSED] =
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g_signal_new ("plug-in-closed",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (PikaPlugInManagerClass,
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plug_in_closed),
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NULL, NULL, NULL,
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G_TYPE_NONE, 1,
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PIKA_TYPE_PLUG_IN);
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manager_signals[MENU_BRANCH_ADDED] =
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g_signal_new ("menu-branch-added",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (PikaPlugInManagerClass,
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menu_branch_added),
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NULL, NULL,
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pika_marshal_VOID__OBJECT_STRING_STRING,
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G_TYPE_NONE, 3,
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G_TYPE_FILE,
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G_TYPE_STRING,
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G_TYPE_STRING);
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object_class->finalize = pika_plug_in_manager_finalize;
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pika_object_class->get_memsize = pika_plug_in_manager_get_memsize;
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}
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static void
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pika_plug_in_manager_init (PikaPlugInManager *manager)
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{
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}
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static void
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pika_plug_in_manager_finalize (GObject *object)
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{
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PikaPlugInManager *manager = PIKA_PLUG_IN_MANAGER (object);
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g_clear_pointer (&manager->load_procs, g_slist_free);
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g_clear_pointer (&manager->save_procs, g_slist_free);
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g_clear_pointer (&manager->export_procs, g_slist_free);
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g_clear_pointer (&manager->raw_load_procs, g_slist_free);
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g_clear_pointer (&manager->batch_procs, g_slist_free);
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g_clear_pointer (&manager->display_load_procs, g_slist_free);
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g_clear_pointer (&manager->display_save_procs, g_slist_free);
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g_clear_pointer (&manager->display_export_procs, g_slist_free);
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g_clear_pointer (&manager->display_raw_load_procs, g_slist_free);
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if (manager->plug_in_procedures)
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{
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g_slist_free_full (manager->plug_in_procedures,
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(GDestroyNotify) g_object_unref);
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manager->plug_in_procedures = NULL;
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}
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if (manager->plug_in_defs)
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{
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g_slist_free_full (manager->plug_in_defs,
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(GDestroyNotify) g_object_unref);
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manager->plug_in_defs = NULL;
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}
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g_clear_object (&manager->environ_table);
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g_clear_object (&manager->interpreter_db);
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g_clear_pointer (&manager->debug, pika_plug_in_debug_free);
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pika_plug_in_manager_menu_branch_exit (manager);
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pika_plug_in_manager_help_domain_exit (manager);
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pika_plug_in_manager_data_free (manager);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gint64
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pika_plug_in_manager_get_memsize (PikaObject *object,
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gint64 *gui_size)
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{
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PikaPlugInManager *manager = PIKA_PLUG_IN_MANAGER (object);
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gint64 memsize = 0;
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memsize += pika_g_slist_get_memsize_foreach (manager->plug_in_defs,
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(PikaMemsizeFunc)
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pika_object_get_memsize,
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gui_size);
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memsize += pika_g_slist_get_memsize (manager->plug_in_procedures, 0);
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memsize += pika_g_slist_get_memsize (manager->load_procs, 0);
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memsize += pika_g_slist_get_memsize (manager->save_procs, 0);
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memsize += pika_g_slist_get_memsize (manager->export_procs, 0);
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memsize += pika_g_slist_get_memsize (manager->raw_load_procs, 0);
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memsize += pika_g_slist_get_memsize (manager->batch_procs, 0);
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memsize += pika_g_slist_get_memsize (manager->display_load_procs, 0);
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memsize += pika_g_slist_get_memsize (manager->display_save_procs, 0);
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memsize += pika_g_slist_get_memsize (manager->display_export_procs, 0);
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memsize += pika_g_slist_get_memsize (manager->display_raw_load_procs, 0);
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memsize += pika_g_slist_get_memsize (manager->menu_branches, 0 /* FIXME */);
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memsize += pika_g_slist_get_memsize (manager->help_domains, 0 /* FIXME */);
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memsize += pika_g_slist_get_memsize_foreach (manager->open_plug_ins,
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(PikaMemsizeFunc)
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pika_object_get_memsize,
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gui_size);
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memsize += pika_g_slist_get_memsize (manager->plug_in_stack, 0);
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memsize += 0; /* FIXME manager->shm */
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memsize += /* FIXME */ pika_g_object_get_memsize (G_OBJECT (manager->interpreter_db));
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memsize += /* FIXME */ pika_g_object_get_memsize (G_OBJECT (manager->environ_table));
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memsize += 0; /* FIXME manager->plug_in_debug */
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memsize += pika_g_list_get_memsize (manager->data_list, 0 /* FIXME */);
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return memsize + PIKA_OBJECT_CLASS (parent_class)->get_memsize (object,
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gui_size);
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}
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PikaPlugInManager *
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pika_plug_in_manager_new (Pika *pika)
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{
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PikaPlugInManager *manager;
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manager = g_object_new (PIKA_TYPE_PLUG_IN_MANAGER, NULL);
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manager->pika = pika;
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manager->interpreter_db = pika_interpreter_db_new (pika->be_verbose);
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manager->environ_table = pika_environ_table_new (pika->be_verbose);
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return manager;
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}
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void
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pika_plug_in_manager_initialize (PikaPlugInManager *manager,
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PikaInitStatusFunc status_callback)
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{
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PikaCoreConfig *config;
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GList *path;
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g_return_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager));
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g_return_if_fail (status_callback != NULL);
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config = manager->pika->config;
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status_callback (NULL, _("Plug-in Interpreters"), 0.8);
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path = pika_config_path_expand_to_files (config->interpreter_path, NULL);
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pika_interpreter_db_load (manager->interpreter_db, path);
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g_list_free_full (path, (GDestroyNotify) g_object_unref);
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status_callback (NULL, _("Plug-in Environment"), 0.9);
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path = pika_config_path_expand_to_files (config->environ_path, NULL);
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pika_environ_table_load (manager->environ_table, path);
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g_list_free_full (path, (GDestroyNotify) g_object_unref);
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/* allocate a piece of shared memory for use in transporting tiles
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* to plug-ins. if we can't allocate a piece of shared memory then
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* we'll fall back on sending the data over the pipe.
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*/
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if (manager->pika->use_shm)
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manager->shm = pika_plug_in_shm_new ();
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manager->debug = pika_plug_in_debug_new ();
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}
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void
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pika_plug_in_manager_exit (PikaPlugInManager *manager)
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{
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g_return_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager));
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while (manager->open_plug_ins)
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pika_plug_in_close (manager->open_plug_ins->data, TRUE);
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/* need to detach from shared memory, we can't rely on exit()
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* cleaning up behind us (see bug #609026)
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*/
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if (manager->shm)
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{
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pika_plug_in_shm_free (manager->shm);
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manager->shm = NULL;
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}
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}
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void
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pika_plug_in_manager_add_procedure (PikaPlugInManager *manager,
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PikaPlugInProcedure *procedure)
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{
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GSList *list;
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g_return_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager));
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g_return_if_fail (PIKA_IS_PLUG_IN_PROCEDURE (procedure));
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for (list = manager->plug_in_procedures; list; list = list->next)
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{
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PikaPlugInProcedure *tmp_proc = list->data;
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if (strcmp (pika_object_get_name (procedure),
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pika_object_get_name (tmp_proc)) == 0)
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{
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GSList *list2;
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list->data = g_object_ref (procedure);
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g_printerr ("Removing duplicate PDB procedure '%s' "
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"registered by '%s'\n",
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pika_object_get_name (tmp_proc),
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pika_file_get_utf8_name (tmp_proc->file));
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/* search the plugin list to see if any plugins had references to
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* the tmp_proc.
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*/
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for (list2 = manager->plug_in_defs; list2; list2 = list2->next)
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{
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PikaPlugInDef *plug_in_def = list2->data;
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if (g_slist_find (plug_in_def->procedures, tmp_proc))
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pika_plug_in_def_remove_procedure (plug_in_def, tmp_proc);
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}
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/* also remove it from the lists of load, save and export procs */
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manager->load_procs = g_slist_remove (manager->load_procs, tmp_proc);
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manager->save_procs = g_slist_remove (manager->save_procs, tmp_proc);
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manager->export_procs = g_slist_remove (manager->export_procs, tmp_proc);
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manager->raw_load_procs = g_slist_remove (manager->raw_load_procs, tmp_proc);
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manager->batch_procs = g_slist_remove (manager->batch_procs, tmp_proc);
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manager->display_load_procs = g_slist_remove (manager->display_load_procs, tmp_proc);
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manager->display_save_procs = g_slist_remove (manager->display_save_procs, tmp_proc);
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manager->display_export_procs = g_slist_remove (manager->display_export_procs, tmp_proc);
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manager->display_raw_load_procs = g_slist_remove (manager->display_raw_load_procs, tmp_proc);
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/* and from the history */
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pika_filter_history_remove (manager->pika, PIKA_PROCEDURE (tmp_proc));
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g_object_unref (tmp_proc);
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return;
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}
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}
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manager->plug_in_procedures = g_slist_prepend (manager->plug_in_procedures,
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g_object_ref (procedure));
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}
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void
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pika_plug_in_manager_add_batch_procedure (PikaPlugInManager *manager,
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PikaPlugInProcedure *proc)
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{
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g_return_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager));
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g_return_if_fail (PIKA_IS_PLUG_IN_PROCEDURE (proc));
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if (! g_slist_find (manager->batch_procs, proc))
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manager->batch_procs = g_slist_prepend (manager->batch_procs, proc);
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}
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GSList *
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pika_plug_in_manager_get_batch_procedures (PikaPlugInManager *manager)
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{
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g_return_val_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager), NULL);
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return manager->batch_procs;
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}
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void
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pika_plug_in_manager_add_temp_proc (PikaPlugInManager *manager,
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PikaTemporaryProcedure *procedure)
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{
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g_return_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager));
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g_return_if_fail (PIKA_IS_TEMPORARY_PROCEDURE (procedure));
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pika_pdb_register_procedure (manager->pika->pdb, PIKA_PROCEDURE (procedure));
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manager->plug_in_procedures = g_slist_prepend (manager->plug_in_procedures,
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g_object_ref (procedure));
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}
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void
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pika_plug_in_manager_remove_temp_proc (PikaPlugInManager *manager,
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PikaTemporaryProcedure *procedure)
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{
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g_return_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager));
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g_return_if_fail (PIKA_IS_TEMPORARY_PROCEDURE (procedure));
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manager->plug_in_procedures = g_slist_remove (manager->plug_in_procedures,
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procedure);
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pika_filter_history_remove (manager->pika,
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PIKA_PROCEDURE (procedure));
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pika_pdb_unregister_procedure (manager->pika->pdb,
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PIKA_PROCEDURE (procedure));
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g_object_unref (procedure);
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}
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void
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pika_plug_in_manager_add_open_plug_in (PikaPlugInManager *manager,
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PikaPlugIn *plug_in)
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{
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g_return_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager));
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g_return_if_fail (PIKA_IS_PLUG_IN (plug_in));
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manager->open_plug_ins = g_slist_prepend (manager->open_plug_ins,
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g_object_ref (plug_in));
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g_signal_emit (manager, manager_signals[PLUG_IN_OPENED], 0,
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plug_in);
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}
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void
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pika_plug_in_manager_remove_open_plug_in (PikaPlugInManager *manager,
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PikaPlugIn *plug_in)
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{
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g_return_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager));
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g_return_if_fail (PIKA_IS_PLUG_IN (plug_in));
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manager->open_plug_ins = g_slist_remove (manager->open_plug_ins, plug_in);
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g_signal_emit (manager, manager_signals[PLUG_IN_CLOSED], 0,
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plug_in);
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g_object_unref (plug_in);
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}
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void
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pika_plug_in_manager_plug_in_push (PikaPlugInManager *manager,
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PikaPlugIn *plug_in)
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{
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g_return_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager));
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g_return_if_fail (PIKA_IS_PLUG_IN (plug_in));
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manager->current_plug_in = plug_in;
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manager->plug_in_stack = g_slist_prepend (manager->plug_in_stack,
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manager->current_plug_in);
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}
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void
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pika_plug_in_manager_plug_in_pop (PikaPlugInManager *manager)
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{
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g_return_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager));
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if (manager->current_plug_in)
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manager->plug_in_stack = g_slist_remove (manager->plug_in_stack,
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manager->plug_in_stack->data);
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if (manager->plug_in_stack)
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manager->current_plug_in = manager->plug_in_stack->data;
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else
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manager->current_plug_in = NULL;
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}
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