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+/*
+ (c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
+ (c) Copyright 2000-2004 Convergence (integrated media) GmbH
+
+ All rights reserved.
+
+ Written by Denis Oliver Kropp <dok@directfb.org>,
+ Andreas Hundt <andi@fischlustig.de>,
+ Sven Neumann <neo@directfb.org>,
+ Ville Syrjälä <syrjala@sci.fi> and
+ Claudio Ciccani <klan@users.sf.net>.
+
+ 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.
+*/
+
+#ifndef __CORE_H__
+#define __CORE_H__
+
+#include <fusion/types.h>
+#include <fusion/lock.h>
+#include <fusion/object.h>
+
+#include <directfb.h>
+
+#include "coretypes.h"
+#include "coredefs.h"
+
+
+#define DIRECTFB_CORE_ABI 45
+
+
+typedef enum {
+ DFCP_CLIPBOARD,
+ DFCP_COLORHASH,
+ DFCP_GRAPHICS,
+ DFCP_INPUT,
+ DFCP_LAYER,
+ DFCP_SCREEN,
+ DFCP_SURFACE,
+ DFCP_SYSTEM,
+ DFCP_WM,
+
+ _DFCP_NUM
+} DFBCorePartID;
+
+
+/*
+ * Cleanup function, callback of a cleanup stack entry.
+ */
+typedef void (*CoreCleanupFunc)(void *data, int emergency);
+
+
+
+/*
+ * Core initialization and deinitialization
+ */
+DFBResult dfb_core_create ( CoreDFB **ret_core );
+
+DFBResult dfb_core_destroy ( CoreDFB *core,
+ bool emergency );
+
+void *dfb_core_get_part( CoreDFB *core,
+ DFBCorePartID part_id );
+
+
+#define DFB_CORE(core,PART) dfb_core_get_part( core, DFCP_##PART )
+
+
+/*
+ * Object creation
+ */
+CoreLayerContext *dfb_core_create_layer_context( CoreDFB *core );
+CoreLayerRegion *dfb_core_create_layer_region ( CoreDFB *core );
+CorePalette *dfb_core_create_palette ( CoreDFB *core );
+CoreSurface *dfb_core_create_surface ( CoreDFB *core );
+CoreWindow *dfb_core_create_window ( CoreDFB *core );
+
+/*
+ * Debug
+ */
+DirectResult dfb_core_enum_surfaces ( CoreDFB *core,
+ FusionObjectCallback callback,
+ void *ctx );
+DirectResult dfb_core_enum_layer_contexts( CoreDFB *core,
+ FusionObjectCallback callback,
+ void *ctx );
+DirectResult dfb_core_enum_layer_regions ( CoreDFB *core,
+ FusionObjectCallback callback,
+ void *ctx );
+
+
+/*
+ * Returns true if the calling process is the master fusionee,
+ * i.e. handles input drivers running their threads.
+ */
+bool dfb_core_is_master( CoreDFB *core );
+
+/*
+ * Allows other (blocking) Fusionees to enter the DirectFB session.
+ */
+void dfb_core_activate( CoreDFB *core );
+
+/*
+ * Returns the core's fusion world.
+ */
+FusionWorld *dfb_core_world( CoreDFB *core );
+
+/*
+ * Returns the core arena.
+ */
+FusionArena *dfb_core_arena( CoreDFB *core );
+
+/*
+ * Returns the shared memory pool of the core.
+ */
+FusionSHMPoolShared *dfb_core_shmpool( CoreDFB *core );
+
+/*
+ * Returns the shared memory pool for raw data, e.g. surface buffers.
+ */
+FusionSHMPoolShared *dfb_core_shmpool_data( CoreDFB *core );
+
+/*
+ * Suspends all core parts, stopping input threads, closing devices...
+ */
+DFBResult dfb_core_suspend( CoreDFB *core );
+
+/*
+ * Resumes all core parts, reopening devices, starting input threads...
+ */
+DFBResult dfb_core_resume( CoreDFB *core );
+
+/*
+ * Adds a function to the cleanup stack that is called during deinitialization.
+ * If emergency is true, the cleanup is even called by core_deinit_emergency().
+ */
+CoreCleanup *dfb_core_cleanup_add( CoreDFB *core,
+ CoreCleanupFunc func,
+ void *data,
+ bool emergency );
+
+/*
+ * Removes a function from the cleanup stack.
+ */
+void dfb_core_cleanup_remove( CoreDFB *core,
+ CoreCleanup *cleanup );
+
+#endif
+