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-rwxr-xr-xSource/DirectFB/src/core/clipboard.c298
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diff --git a/Source/DirectFB/src/core/clipboard.c b/Source/DirectFB/src/core/clipboard.c
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+++ b/Source/DirectFB/src/core/clipboard.c
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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.
+*/
+
+#include <config.h>
+
+#include <directfb.h>
+
+#include <direct/debug.h>
+#include <direct/memcpy.h>
+
+#include <fusion/shmalloc.h>
+
+#include <core/core.h>
+#include <core/core_parts.h>
+#include <core/clipboard.h>
+
+
+D_DEBUG_DOMAIN( Core_Clipboard, "Core/Clipboard", "DirectFB Clipboard Core" );
+
+/**********************************************************************************************************************/
+
+typedef struct {
+ int magic;
+
+ FusionSkirmish lock;
+ char *mime_type;
+ void *data;
+ unsigned int size;
+ struct timeval timestamp;
+
+ FusionSHMPoolShared *shmpool;
+} DFBClipboardCoreShared;
+
+struct __DFB_DFBClipboardCore {
+ int magic;
+
+ CoreDFB *core;
+
+ DFBClipboardCoreShared *shared;
+};
+
+
+DFB_CORE_PART( clipboard_core, ClipboardCore );
+
+/**********************************************************************************************************************/
+
+static DFBResult
+dfb_clipboard_core_initialize( CoreDFB *core,
+ DFBClipboardCore *data,
+ DFBClipboardCoreShared *shared )
+{
+ D_DEBUG_AT( Core_Clipboard, "dfb_clipboard_core_initialize( %p, %p, %p )\n", core, data, shared );
+
+ D_ASSERT( data != NULL );
+ D_ASSERT( shared != NULL );
+
+ data->core = core;
+ data->shared = shared;
+
+ shared->shmpool = dfb_core_shmpool( core );
+
+ fusion_skirmish_init( &shared->lock, "Clipboard Core", dfb_core_world(core) );
+
+ D_MAGIC_SET( data, DFBClipboardCore );
+ D_MAGIC_SET( shared, DFBClipboardCoreShared );
+
+ return DFB_OK;
+}
+
+static DFBResult
+dfb_clipboard_core_join( CoreDFB *core,
+ DFBClipboardCore *data,
+ DFBClipboardCoreShared *shared )
+{
+ D_DEBUG_AT( Core_Clipboard, "dfb_clipboard_core_join( %p, %p, %p )\n", core, data, shared );
+
+ D_ASSERT( data != NULL );
+ D_MAGIC_ASSERT( shared, DFBClipboardCoreShared );
+
+ data->core = core;
+ data->shared = shared;
+
+ D_MAGIC_SET( data, DFBClipboardCore );
+
+ return DFB_OK;
+}
+
+static DFBResult
+dfb_clipboard_core_shutdown( DFBClipboardCore *data,
+ bool emergency )
+{
+ DFBClipboardCoreShared *shared;
+
+ D_DEBUG_AT( Core_Clipboard, "dfb_clipboard_core_shutdown( %p, %semergency )\n", data, emergency ? "" : "no " );
+
+ D_MAGIC_ASSERT( data, DFBClipboardCore );
+
+ shared = data->shared;
+
+ D_MAGIC_ASSERT( shared, DFBClipboardCoreShared );
+
+ fusion_skirmish_destroy( &shared->lock );
+
+ if (shared->data)
+ SHFREE( shared->shmpool, shared->data );
+
+ if (shared->mime_type)
+ SHFREE( shared->shmpool, shared->mime_type );
+
+ D_MAGIC_CLEAR( data );
+ D_MAGIC_CLEAR( shared );
+
+ return DFB_OK;
+}
+
+static DFBResult
+dfb_clipboard_core_leave( DFBClipboardCore *data,
+ bool emergency )
+{
+ D_DEBUG_AT( Core_Clipboard, "dfb_clipboard_core_leave( %p, %semergency )\n", data, emergency ? "" : "no " );
+
+ D_MAGIC_ASSERT( data, DFBClipboardCore );
+ D_MAGIC_ASSERT( data->shared, DFBClipboardCoreShared );
+
+ D_MAGIC_CLEAR( data );
+
+ return DFB_OK;
+}
+
+static DFBResult
+dfb_clipboard_core_suspend( DFBClipboardCore *data )
+{
+ D_DEBUG_AT( Core_Clipboard, "dfb_clipboard_core_suspend( %p )\n", data );
+
+ D_MAGIC_ASSERT( data, DFBClipboardCore );
+ D_MAGIC_ASSERT( data->shared, DFBClipboardCoreShared );
+
+ return DFB_OK;
+}
+
+static DFBResult
+dfb_clipboard_core_resume( DFBClipboardCore *data )
+{
+ D_DEBUG_AT( Core_Clipboard, "dfb_clipboard_core_resume( %p )\n", data );
+
+ D_MAGIC_ASSERT( data, DFBClipboardCore );
+ D_MAGIC_ASSERT( data->shared, DFBClipboardCoreShared );
+
+ return DFB_OK;
+}
+
+/**********************************************************************************************************************/
+
+DFBResult
+dfb_clipboard_set( DFBClipboardCore *core,
+ const char *mime_type,
+ const void *data,
+ unsigned int size,
+ struct timeval *timestamp )
+{
+ DFBClipboardCoreShared *shared;
+
+ char *new_mime;
+ void *new_data;
+
+ D_MAGIC_ASSERT( core, DFBClipboardCore );
+ D_ASSERT( mime_type != NULL );
+ D_ASSERT( data != NULL );
+ D_ASSERT( size > 0 );
+
+ shared = core->shared;
+
+ D_MAGIC_ASSERT( shared, DFBClipboardCoreShared );
+
+ new_mime = SHSTRDUP( shared->shmpool, mime_type );
+ if (!new_mime)
+ return D_OOSHM();
+
+ new_data = SHMALLOC( shared->shmpool, size );
+ if (!new_data) {
+ SHFREE( shared->shmpool, new_mime );
+ return D_OOSHM();
+ }
+
+ direct_memcpy( new_data, data, size );
+
+ if (fusion_skirmish_prevail( &shared->lock )) {
+ SHFREE( shared->shmpool, new_data );
+ SHFREE( shared->shmpool, new_mime );
+ return DFB_FUSION;
+ }
+
+ if (shared->data)
+ SHFREE( shared->shmpool, shared->data );
+
+ if (shared->mime_type)
+ SHFREE( shared->shmpool, shared->mime_type );
+
+ shared->mime_type = new_mime;
+ shared->data = new_data;
+ shared->size = size;
+
+ gettimeofday( &shared->timestamp, NULL );
+
+ if (timestamp)
+ *timestamp = shared->timestamp;
+
+ fusion_skirmish_dismiss( &shared->lock );
+
+ return DFB_OK;
+}
+
+DFBResult
+dfb_clipboard_get( DFBClipboardCore *core,
+ char **mime_type,
+ void **data,
+ unsigned int *size )
+{
+ DFBClipboardCoreShared *shared;
+
+ D_MAGIC_ASSERT( core, DFBClipboardCore );
+
+ shared = core->shared;
+
+ D_MAGIC_ASSERT( shared, DFBClipboardCoreShared );
+
+ if (fusion_skirmish_prevail( &shared->lock ))
+ return DFB_FUSION;
+
+ if (!shared->mime_type || !shared->data) {
+ fusion_skirmish_dismiss( &shared->lock );
+ return DFB_BUFFEREMPTY;
+ }
+
+ if (mime_type)
+ *mime_type = strdup( shared->mime_type );
+
+ if (data) {
+ *data = malloc( shared->size );
+ direct_memcpy( *data, shared->data, shared->size );
+ }
+
+ if (size)
+ *size = shared->size;
+
+ fusion_skirmish_dismiss( &shared->lock );
+
+ return DFB_OK;
+}
+
+DFBResult
+dfb_clipboard_get_timestamp( DFBClipboardCore *core,
+ struct timeval *timestamp )
+{
+ DFBClipboardCoreShared *shared;
+
+ D_MAGIC_ASSERT( core, DFBClipboardCore );
+ D_ASSERT( timestamp != NULL );
+
+ shared = core->shared;
+
+ D_MAGIC_ASSERT( shared, DFBClipboardCoreShared );
+
+ if (fusion_skirmish_prevail( &shared->lock ))
+ return DFB_FUSION;
+
+ *timestamp = shared->timestamp;
+
+ fusion_skirmish_dismiss( &shared->lock );
+
+ return DFB_OK;
+}
+