[Xfce4-commits] <tumbler:master> Add odf thumbnailer.
Nick Schermer
noreply at xfce.org
Wed Nov 2 23:16:01 CET 2011
Updating branch refs/heads/master
to 445598f5991ee80939443102e28bac20f01d2ed2 (commit)
from 3398fcc2ad7c0dd70dc4568c41a0af1bcf3f6ccd (commit)
commit 445598f5991ee80939443102e28bac20f01d2ed2
Author: Nick Schermer <nick at xfce.org>
Date: Fri Oct 28 21:44:37 2011 +0200
Add odf thumbnailer.
acinclude.m4 | 24 ++
configure.ac | 9 +-
plugins/Makefile.am | 1 +
.../Makefile.am | 32 +-
.../odf-thumbnailer-plugin.c} | 24 +-
plugins/odf-thumbnailer/odf-thumbnailer-provider.c | 157 ++++++++
plugins/odf-thumbnailer/odf-thumbnailer-provider.h | 43 +++
plugins/odf-thumbnailer/odf-thumbnailer.c | 388 ++++++++++++++++++++
plugins/odf-thumbnailer/odf-thumbnailer.h | 44 +++
9 files changed, 694 insertions(+), 28 deletions(-)
diff --git a/acinclude.m4 b/acinclude.m4
index 2271773..4ea5bcd 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -193,6 +193,30 @@ AC_MSG_RESULT([$ac_tumbler_poppler_thumbnailer])
+dnl TUMBLER_ODF_THUMBNAILER()
+dnl
+dnl Check whether to build and install the ODF thumbnailer plugin.
+dnl
+AC_DEFUN([TUMBLER_ODF_THUMBNAILER],
+[
+AC_ARG_ENABLE([odf-thumbnailer], [AC_HELP_STRING([--disable-odf-thumbnailer], [Don't build the ODF thumbnailer plugin])],
+ [ac_tumbler_odf_thumbnailer=$enableval], [ac_tumbler_odf_thumbnailer=yes])
+if test x"$ac_tumbler_odf_thumbnailer" = x"yes"; then
+ dnl Check for gdk-pixbuf
+ PKG_CHECK_MODULES([GDK_PIXBUF], [gdk-pixbuf-2.0 >= 2.14],
+ [
+ dnl Check for libgsf
+ PKG_CHECK_MODULES([GSF], [libgsf-1 >= 1.14.9], [], [ac_tumbler_odf_thumbnailer=no])
+ ], [ac_tumbler_odf_thumbnailer=no])
+fi
+
+AC_MSG_CHECKING([whether to build the ODF thumbnailer plugin])
+AM_CONDITIONAL([TUMBLER_ODF_THUMBNAILER], [test x"$ac_tumbler_odf_thumbnailer" = x"yes"])
+AC_MSG_RESULT([$ac_tumbler_odf_thumbnailer])
+])
+
+
+
dnl TUMBLER_XDG_CACHE()
dnl
dnl Check whether to build and install the freedesktop.org cache plugin.
diff --git a/configure.ac b/configure.ac
index e83c44e..43646f7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -155,6 +155,7 @@ TUMBLER_JPEG_THUMBNAILER()
TUMBLER_PIXBUF_THUMBNAILER()
TUMBLER_FFMPEG_THUMBNAILER()
TUMBLER_GSTREAMER_THUMBNAILER()
+TUMBLER_ODF_THUMBNAILER()
TUMBLER_POPPLER_THUMBNAILER()
TUMBLER_XDG_CACHE()
@@ -186,6 +187,7 @@ plugins/gst-thumbnailer/Makefile
plugins/jpeg-thumbnailer/Makefile
plugins/pixbuf-thumbnailer/Makefile
plugins/ffmpeg-thumbnailer/Makefile
+plugins/odf-thumbnailer/Makefile
plugins/poppler-thumbnailer/Makefile
plugins/xdg-cache/Makefile
po/Makefile.in
@@ -228,7 +230,12 @@ fi
if test x"$ac_tumbler_gstreamer_thumbnailer" = x"yes"; then
echo " * Video thumbnailer plugin using GStreamer: yes"
else
-echo " * Video thumbnailer plugin using GStreamer : no"
+echo " * Video thumbnailer plugin using GStreamer: no"
+fi
+if test x"$ac_tumbler_odf_thumbnailer" = x"yes"; then
+echo " * ODF thumbnailer plugin using libgsf: yes"
+else
+echo " * ODF thumbnailer plugin using libgsf: no"
fi
if test x"$ac_tumbler_poppler_thumbnailer" = x"yes"; then
echo " * PDF/PS thumbnailer plugin using poppler: yes"
diff --git a/plugins/Makefile.am b/plugins/Makefile.am
index 7e810d4..d85539f 100644
--- a/plugins/Makefile.am
+++ b/plugins/Makefile.am
@@ -23,5 +23,6 @@ SUBDIRS = \
jpeg-thumbnailer \
pixbuf-thumbnailer \
ffmpeg-thumbnailer \
+ odf-thumbnailer \
poppler-thumbnailer \
xdg-cache
diff --git a/plugins/jpeg-thumbnailer/Makefile.am b/plugins/odf-thumbnailer/Makefile.am
similarity index 70%
copy from plugins/jpeg-thumbnailer/Makefile.am
copy to plugins/odf-thumbnailer/Makefile.am
index a47ea08..ac74a8a 100644
--- a/plugins/jpeg-thumbnailer/Makefile.am
+++ b/plugins/odf-thumbnailer/Makefile.am
@@ -1,6 +1,6 @@
# vi:set ts=8 sw=8 noet ai nocindent:
# -
-# Copyright (c) 2009-2010 Jannis Pohlmann <jannis at xfce.org>
+# Copyright (c) 2011 Nick Schermer <nick at xfce.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
@@ -17,46 +17,46 @@
# Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
-if TUMBLER_JPEG_THUMBNAILER
+if TUMBLER_ODF_THUMBNAILER
tumbler_plugindir = $(libdir)/tumbler-$(TUMBLER_VERSION_API)/plugins
tumbler_plugin_LTLIBRARIES = \
- tumbler-jpeg-thumbnailer.la
+ tumbler-odf-thumbnailer.la
-tumbler_jpeg_thumbnailer_la_SOURCES = \
- jpeg-thumbnailer-plugin.c \
- jpeg-thumbnailer-provider.c \
- jpeg-thumbnailer-provider.h \
- jpeg-thumbnailer.c \
- jpeg-thumbnailer.h
+tumbler_odf_thumbnailer_la_SOURCES = \
+ odf-thumbnailer-plugin.c \
+ odf-thumbnailer-provider.c \
+ odf-thumbnailer-provider.h \
+ odf-thumbnailer.c \
+ odf-thumbnailer.h
-tumbler_jpeg_thumbnailer_la_CFLAGS = \
+tumbler_odf_thumbnailer_la_CFLAGS = \
-I$(top_builddir) \
-I$(top_builddir)/plugins \
-I$(top_srcdir) \
-I$(top_srcdir)/plugins \
- -DG_LOG_DOMAIN=\"tumbler-jpeg-thumbnailer\" \
+ -DG_LOG_DOMAIN=\"tumbler-odf-thumbnailer\" \
-DPACKAGE_LOCALE_DIR=\"$(localedir)\" \
$(GDK_PIXBUF_CFLAGS) \
$(GIO_CFLAGS) \
$(GLIB_CFLAGS) \
- $(LIBJPEG_CFLAGS) \
+ $(GSF_CFLAGS) \
$(PLATFORM_CPPFLAGS)
-tumbler_jpeg_thumbnailer_la_LDFLAGS = \
+tumbler_odf_thumbnailer_la_LDFLAGS = \
-avoid-version \
-export-dynamic \
-module \
$(PLATFORM_LDFLAGS)
-tumbler_jpeg_thumbnailer_la_LIBADD = \
+tumbler_odf_thumbnailer_la_LIBADD = \
$(top_builddir)/tumbler/libtumbler-$(TUMBLER_VERSION_API).la \
$(GDK_PIXBUF_LIBS) \
$(GIO_LIBS) \
$(GLIB_LIBS) \
- $(LIBJPEG_LIBS)
+ $(GSF_LIBS)
-tumbler_jpeg_thumbnailer_la_DEPENDENCIES = \
+tumbler_odf_thumbnailer_la_DEPENDENCIES = \
$(top_builddir)/tumbler/libtumbler-$(TUMBLER_VERSION_API).la
endif
diff --git a/plugins/jpeg-thumbnailer/jpeg-thumbnailer-plugin.c b/plugins/odf-thumbnailer/odf-thumbnailer-plugin.c
similarity index 74%
copy from plugins/jpeg-thumbnailer/jpeg-thumbnailer-plugin.c
copy to plugins/odf-thumbnailer/odf-thumbnailer-plugin.c
index 9544397..852632e 100644
--- a/plugins/jpeg-thumbnailer/jpeg-thumbnailer-plugin.c
+++ b/plugins/odf-thumbnailer/odf-thumbnailer-plugin.c
@@ -1,6 +1,7 @@
/* vi:set et ai sw=2 sts=2 ts=2: */
/*-
* Copyright (c) 2009 Jannis Pohlmann <jannis at xfce.org>
+ * Copyright (c) 2011 Nick Schermer <nick at xfce.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -9,11 +10,11 @@
*
* 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
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
- * You should have received a copy of the GNU Library General
- * Public License along with this library; if not, write to the
+ * You should have received a copy of the GNU Library General
+ * Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
@@ -28,8 +29,8 @@
#include <tumbler/tumbler.h>
-#include <jpeg-thumbnailer/jpeg-thumbnailer-provider.h>
-#include <jpeg-thumbnailer/jpeg-thumbnailer.h>
+#include <odf-thumbnailer/odf-thumbnailer-provider.h>
+#include <odf-thumbnailer/odf-thumbnailer.h>
@@ -50,7 +51,8 @@ tumbler_plugin_initialize (TumblerProviderPlugin *plugin)
const gchar *mismatch;
/* verify that the tumbler versions are compatible */
- mismatch = tumbler_check_version (TUMBLER_MAJOR_VERSION, TUMBLER_MINOR_VERSION,
+ mismatch = tumbler_check_version (TUMBLER_MAJOR_VERSION,
+ TUMBLER_MINOR_VERSION,
TUMBLER_MICRO_VERSION);
if (G_UNLIKELY (mismatch != NULL))
{
@@ -59,15 +61,15 @@ tumbler_plugin_initialize (TumblerProviderPlugin *plugin)
}
#ifdef DEBUG
- g_message (_("Initializing the Tumbler JPEG Thumbnailer plugin"));
+ g_message (_("Initializing the Tumbler Odf Thumbnailer plugin"));
#endif
/* register the types provided by this plugin */
- jpeg_thumbnailer_register (plugin);
- jpeg_thumbnailer_provider_register (plugin);
+ odf_thumbnailer_register (plugin);
+ odf_thumbnailer_provider_register (plugin);
/* set up the plugin provider type list */
- type_list[0] = TYPE_JPEG_THUMBNAILER_PROVIDER;
+ type_list[0] = TYPE_ODF_THUMBNAILER_PROVIDER;
}
@@ -76,7 +78,7 @@ void
tumbler_plugin_shutdown (void)
{
#ifdef DEBUG
- g_message (_("Shutting down the Tumbler JPEG Thumbnailer plugin"));
+ g_message (_("Shutting down the Tumbler Odf Thumbnailer plugin"));
#endif
}
diff --git a/plugins/odf-thumbnailer/odf-thumbnailer-provider.c b/plugins/odf-thumbnailer/odf-thumbnailer-provider.c
new file mode 100644
index 0000000..d88c437
--- /dev/null
+++ b/plugins/odf-thumbnailer/odf-thumbnailer-provider.c
@@ -0,0 +1,157 @@
+/* vi:set et ai sw=2 sts=2 ts=2: */
+/*-
+ * Copyright (c) 2009 Jannis Pohlmann <jannis at xfce.org>
+ * Copyright (c) 2011 Nick Schermer <nick at xfce.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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 Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General
+ * Public License along with this library; 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 <glib.h>
+#include <glib-object.h>
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include <tumbler/tumbler.h>
+
+#include <odf-thumbnailer/odf-thumbnailer-provider.h>
+#include <odf-thumbnailer/odf-thumbnailer.h>
+
+
+
+static void odf_thumbnailer_provider_thumbnailer_provider_init (TumblerThumbnailerProviderIface *iface);
+static GList *odf_thumbnailer_provider_get_thumbnailers (TumblerThumbnailerProvider *provider);
+
+
+
+struct _OdfThumbnailerProviderClass
+{
+ GObjectClass __parent__;
+};
+
+struct _OdfThumbnailerProvider
+{
+ GObject __parent__;
+};
+
+
+
+G_DEFINE_DYNAMIC_TYPE_EXTENDED (OdfThumbnailerProvider,
+ odf_thumbnailer_provider,
+ G_TYPE_OBJECT,
+ 0,
+ TUMBLER_ADD_INTERFACE (TUMBLER_TYPE_THUMBNAILER_PROVIDER,
+ odf_thumbnailer_provider_thumbnailer_provider_init));
+
+
+
+void
+odf_thumbnailer_provider_register (TumblerProviderPlugin *plugin)
+{
+ odf_thumbnailer_provider_register_type (G_TYPE_MODULE (plugin));
+}
+
+
+
+static void
+odf_thumbnailer_provider_class_init (OdfThumbnailerProviderClass *klass)
+{
+}
+
+
+
+static void
+odf_thumbnailer_provider_class_finalize (OdfThumbnailerProviderClass *klass)
+{
+}
+
+
+
+static void
+odf_thumbnailer_provider_thumbnailer_provider_init (TumblerThumbnailerProviderIface *iface)
+{
+ iface->get_thumbnailers = odf_thumbnailer_provider_get_thumbnailers;
+}
+
+
+
+static void
+odf_thumbnailer_provider_init (OdfThumbnailerProvider *provider)
+{
+}
+
+
+
+static GList *
+odf_thumbnailer_provider_get_thumbnailers (TumblerThumbnailerProvider *provider)
+{
+ static const gchar *mime_types[] =
+ {
+ "application/vnd.ms-powerpoint",
+ "application/vnd.openxmlformats-officedocument.presentationml.presentation",
+ "application/vnd.ms-excel",
+ "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+ "application/msword",
+ "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
+ "application/vnd.oasis.opendocument.presentation-template",
+ "application/vnd.oasis.opendocument.presentation",
+ "application/vnd.oasis.opendocument.spreadsheet-template",
+ "application/vnd.oasis.opendocument.spreadsheet",
+ "application/vnd.oasis.opendocument.text-template",
+ "application/vnd.oasis.opendocument.text-master",
+ "application/vnd.oasis.opendocument.text",
+ "application/vnd.oasis.opendocument.graphics-template",
+ "application/vnd.oasis.opendocument.graphics",
+ "application/vnd.oasis.opendocument.chart",
+ "application/vnd.oasis.opendocument.image",
+ "application/vnd.oasis.opendocument.formula",
+ "application/vnd.sun.xml.impress.template",
+ "application/vnd.sun.xml.impress.template",
+ "application/vnd.sun.xml.impress",
+ "application/vnd.sun.xml.calc.template",
+ "application/vnd.sun.xml.calc",
+ "application/vnd.sun.xml.writer.global",
+ "application/vnd.sun.xml.writer.template",
+ "application/vnd.sun.xml.writer",
+ "application/vnd.sun.xml.draw.template",
+ "application/vnd.sun.xml.draw",
+ "application/vnd.sun.xml.math",
+ NULL
+ };
+ OdfThumbnailer *thumbnailer;
+ GList *thumbnailers = NULL;
+ GStrv uri_schemes;
+
+ /* determine the URI schemes supported by GIO */
+ uri_schemes = tumbler_util_get_supported_uri_schemes ();
+
+ /* create the pixbuf thumbnailer */
+ thumbnailer = g_object_new (TYPE_ODF_THUMBNAILER,
+ "uri-schemes", uri_schemes,
+ "mime-types", mime_types,
+ NULL);
+
+ /* add the thumbnailer to the list */
+ thumbnailers = g_list_append (thumbnailers, thumbnailer);
+
+ /* free URI schemes */
+ g_strfreev (uri_schemes);
+
+ return thumbnailers;
+}
diff --git a/plugins/odf-thumbnailer/odf-thumbnailer-provider.h b/plugins/odf-thumbnailer/odf-thumbnailer-provider.h
new file mode 100644
index 0000000..f945301
--- /dev/null
+++ b/plugins/odf-thumbnailer/odf-thumbnailer-provider.h
@@ -0,0 +1,43 @@
+/* vi:set et ai sw=2 sts=2 ts=2: */
+/*-
+ * Copyright (c) 2009 Jannis Pohlmann <jannis at xfce.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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 Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __ODF_THUMBNAILER_PROVIDER_H__
+#define __ODF_THUMBNAILER_PROVIDER_H__
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define TYPE_ODF_THUMBNAILER_PROVIDER (odf_thumbnailer_provider_get_type ())
+#define ODF_THUMBNAILER_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_ODF_THUMBNAILER_PROVIDER, OdfThumbnailerProvider))
+#define ODF_THUMBNAILER_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_ODF_THUMBNAILER_PROVIDER, OdfThumbnailerProviderClass))
+#define IS_ODF_THUMBNAILER_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_ODF_THUMBNAILER_PROVIDER))
+#define IS_ODF_THUMBNAILER_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_ODF_THUMBNAILER_PROVIDER)
+#define ODF_THUMBNAILER_PROVIDER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_ODF_THUMBNAILER_PROVIDER, OdfThumbnailerProviderClass))
+
+typedef struct _OdfThumbnailerProviderClass OdfThumbnailerProviderClass;
+typedef struct _OdfThumbnailerProvider OdfThumbnailerProvider;
+
+GType odf_thumbnailer_provider_get_type (void) G_GNUC_CONST;
+void odf_thumbnailer_provider_register (TumblerProviderPlugin *plugin);
+
+G_END_DECLS
+
+#endif /* !__ODF_THUMBNAILER_PROVIDER_H__ */
diff --git a/plugins/odf-thumbnailer/odf-thumbnailer.c b/plugins/odf-thumbnailer/odf-thumbnailer.c
new file mode 100644
index 0000000..cb9119c
--- /dev/null
+++ b/plugins/odf-thumbnailer/odf-thumbnailer.c
@@ -0,0 +1,388 @@
+/* vi:set et ai sw=2 sts=2 ts=2: */
+/*-
+ * Copyright (c) 2011 Nick Schermer <nick at xfce.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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 Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * Parts are based on the gsf-office-thumbnailer in libgsf, which is
+ * written by Federico Mena-Quintero <federico at novell.com>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <math.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib-object.h>
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include <gsf/gsf.h>
+#include <gsf/gsf-input-memory.h>
+#include <gsf/gsf-input-gio.h>
+#include <gsf/gsf-infile.h>
+#include <gsf/gsf-infile-msole.h>
+#include <gsf/gsf-infile-zip.h>
+#include <gsf/gsf-open-pkg-utils.h>
+#include <gsf/gsf-clip-data.h>
+#include <gsf/gsf-doc-meta-data.h>
+#include <gsf/gsf-meta-names.h>
+#include <gsf/gsf-msole-utils.h>
+
+#include <tumbler/tumbler.h>
+
+#include <odf-thumbnailer/odf-thumbnailer.h>
+
+
+#define OPEN_XML_SCHEMA "http://schemas.openxmlformats.org/package/2006/relationships/metadata/thumbnail"
+
+
+
+static void odf_thumbnailer_finalize (GObject *object);
+static void odf_thumbnailer_create (TumblerAbstractThumbnailer *thumbnailer,
+ GCancellable *cancellable,
+ TumblerFileInfo *info);
+
+
+
+struct _OdfThumbnailerClass
+{
+ TumblerAbstractThumbnailerClass __parent__;
+};
+
+struct _OdfThumbnailer
+{
+ TumblerAbstractThumbnailer __parent__;
+};
+
+
+
+G_DEFINE_DYNAMIC_TYPE (OdfThumbnailer,
+ odf_thumbnailer,
+ TUMBLER_TYPE_ABSTRACT_THUMBNAILER);
+
+
+
+void
+odf_thumbnailer_register (TumblerProviderPlugin *plugin)
+{
+ odf_thumbnailer_register_type (G_TYPE_MODULE (plugin));
+}
+
+
+
+static void
+odf_thumbnailer_class_init (OdfThumbnailerClass *klass)
+{
+ TumblerAbstractThumbnailerClass *abstractthumbnailer_class;
+ GObjectClass *gobject_class;
+
+ gobject_class = G_OBJECT_CLASS (klass);
+ gobject_class->finalize = odf_thumbnailer_finalize;
+
+ abstractthumbnailer_class = TUMBLER_ABSTRACT_THUMBNAILER_CLASS (klass);
+ abstractthumbnailer_class->create = odf_thumbnailer_create;
+}
+
+
+
+static void
+odf_thumbnailer_class_finalize (OdfThumbnailerClass *klass)
+{
+}
+
+
+
+static void
+odf_thumbnailer_init (OdfThumbnailer *thumbnailer)
+{
+
+}
+
+
+static void
+odf_thumbnailer_finalize (GObject *object)
+{
+ //OdfThumbnailer *thumbnailer = ODF_THUMBNAILER (object);
+
+ (*G_OBJECT_CLASS (odf_thumbnailer_parent_class)->finalize) (object);
+}
+
+
+
+static GdkPixbuf *
+odf_thumbnailer_create_from_data (const guchar *data,
+ gsize bytes)
+{
+ GdkPixbufLoader *loader;
+ GdkPixbuf *pixbuf = NULL;
+ GError *error = NULL;
+
+ loader = gdk_pixbuf_loader_new ();
+ if (gdk_pixbuf_loader_write (loader, data, bytes, &error))
+ {
+ if (gdk_pixbuf_loader_close (loader, &error))
+ {
+ pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
+ if (pixbuf != NULL)
+ g_object_ref (G_OBJECT (pixbuf));
+ }
+ }
+ else
+ {
+ gdk_pixbuf_loader_close (loader, NULL);
+ }
+ g_object_unref (G_OBJECT (loader));
+
+ return pixbuf;
+}
+
+
+
+static GdkPixbuf *
+odf_thumbnailer_create_zip (GsfInfile *infile)
+{
+ GsfInput *thumbnail;
+ gsize bytes;
+ const guint8 *data;
+ GdkPixbuf *pixbuf = NULL;
+
+ g_return_val_if_fail (GSF_IS_INFILE_ZIP (infile), NULL);
+
+ /* openoffice and libreoffice thumbnail */
+ thumbnail = gsf_infile_child_by_vname (infile, "Thumbnails", "thumbnail.png", NULL);
+ if (thumbnail == NULL)
+ {
+ /* microsoft office-x thumbnails */
+ thumbnail = gsf_open_pkg_open_rel_by_type (GSF_INPUT (infile), OPEN_XML_SCHEMA, NULL);
+ if (thumbnail == NULL)
+ return NULL;
+ }
+
+ /* read data and generate a pixbuf */
+ bytes = gsf_input_remaining (thumbnail);
+ data = gsf_input_read (thumbnail, bytes, NULL);
+ if (data != NULL)
+ pixbuf = odf_thumbnailer_create_from_data (data, bytes);
+
+ g_object_unref (G_OBJECT (thumbnail));
+
+ return pixbuf;
+}
+
+
+
+static GdkPixbuf *
+odf_thumbnailer_create_msole (GsfInfile *infile)
+{
+ GsfInput *summary;
+ GsfDocMetaData *meta_data;
+ GError *error;
+ GsfDocProp *thumbnail;
+ GdkPixbuf *pixbuf = NULL;
+ GValue const *thumb_value;
+ GsfClipData *clip_data;
+ gsize bytes;
+ const guchar *data;
+
+ g_return_val_if_fail (GSF_IS_INFILE_MSOLE (infile), NULL);
+
+ /* try to find summary information stream */
+ summary = gsf_infile_child_by_name (infile, "\05SummaryInformation");
+ if (summary == NULL)
+ return NULL;
+
+ /* read meta data from stream */
+ meta_data = gsf_doc_meta_data_new ();
+ error = gsf_msole_metadata_read (summary, meta_data);
+ g_object_unref (G_OBJECT (summary));
+ if (error != NULL)
+ {
+ g_error_free (error);
+ return NULL;
+ }
+
+ /* try to extract thumbnail */
+ thumbnail = gsf_doc_meta_data_lookup (meta_data, GSF_META_NAME_THUMBNAIL);
+ if (thumbnail != NULL)
+ {
+ thumb_value = gsf_doc_prop_get_val (thumbnail);
+ if (thumb_value != NULL)
+ {
+ clip_data = g_value_get_object (thumb_value);
+
+ /* only create thumbs from data we can handle */
+ if (gsf_clip_data_get_format (clip_data) != GSF_CLIP_FORMAT_WINDOWS_CLIPBOARD
+ && gsf_clip_data_get_windows_clipboard_format (clip_data, NULL) != GSF_CLIP_FORMAT_WINDOWS_ERROR)
+ {
+ data = gsf_clip_data_peek_real_data (GSF_CLIP_DATA (clip_data), &bytes, NULL);
+ if (data != NULL)
+ pixbuf = odf_thumbnailer_create_from_data (data, bytes);
+ }
+ }
+ }
+
+ g_object_unref (G_OBJECT (meta_data));
+
+ return pixbuf;
+}
+
+
+
+static GdkPixbuf*
+scale_pixbuf (GdkPixbuf *source,
+ gint dest_width,
+ gint dest_height)
+{
+ gdouble wratio;
+ gdouble hratio;
+ gint source_width;
+ gint source_height;
+
+ /* determine source pixbuf dimensions */
+ source_width = gdk_pixbuf_get_width (source);
+ source_height = gdk_pixbuf_get_height (source);
+
+ /* don't do anything if there is no need to resize */
+ if (source_width <= dest_width && source_height <= dest_height)
+ return g_object_ref (source);
+
+ /* determine which axis needs to be scaled down more */
+ wratio = (gdouble) source_width / (gdouble) dest_width;
+ hratio = (gdouble) source_height / (gdouble) dest_height;
+
+ /* adjust the other axis */
+ if (hratio > wratio)
+ dest_width = rint (source_width / hratio);
+ else
+ dest_height = rint (source_height / wratio);
+
+ /* scale the pixbuf down to the desired size */
+ return gdk_pixbuf_scale_simple (source, MAX (dest_width, 1),
+ MAX (dest_height, 1),
+ GDK_INTERP_BILINEAR);
+}
+
+
+
+static void
+odf_thumbnailer_create (TumblerAbstractThumbnailer *thumbnailer,
+ GCancellable *cancellable,
+ TumblerFileInfo *info)
+{
+ GsfInput *input = NULL;
+ TumblerThumbnail *thumbnail;
+ const gchar *uri;
+ GFile *file;
+ GError *error = NULL;
+ gchar *path;
+ GsfInfile *infile;
+ GdkPixbuf *pixbuf = NULL;
+ TumblerThumbnailFlavor *flavor;
+ gint width, height;
+ TumblerImageData data;
+ GdkPixbuf *scaled;
+
+ g_return_if_fail (IS_ODF_THUMBNAILER (thumbnailer));
+ g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
+ g_return_if_fail (TUMBLER_IS_FILE_INFO (info));
+
+ /* do nothing if cancelled */
+ if (g_cancellable_is_cancelled (cancellable))
+ return;
+
+ uri = tumbler_file_info_get_uri (info);
+ file = g_file_new_for_uri (uri);
+
+ if (g_file_is_native (file))
+ {
+ /* try to mmap the file */
+ path = g_file_get_path (file);
+ input = gsf_input_mmap_new (path, NULL);
+ g_free (path);
+ }
+
+ if (input == NULL)
+ {
+ /* fall-back to normal file reading */
+ input = gsf_input_gio_new (file, &error);
+ if (G_UNLIKELY (input == NULL))
+ {
+ g_signal_emit_by_name (thumbnailer, "error", uri, error->code, error->message);
+ g_error_free (error);
+ return;
+ }
+ }
+
+ /* extract the file */
+ input = gsf_input_uncompress (input);
+
+ /* try to detect file format and run thumbnail extractor */
+ infile = gsf_infile_zip_new (input, NULL);
+ if (infile != NULL)
+ {
+ pixbuf = odf_thumbnailer_create_zip (infile);
+ g_object_unref (G_OBJECT (infile));
+ }
+ else
+ {
+ infile = gsf_infile_msole_new (input, NULL);
+ if (infile != NULL)
+ {
+ pixbuf = odf_thumbnailer_create_msole (infile);
+ g_object_unref (G_OBJECT (infile));
+ }
+ }
+
+ if (pixbuf != NULL)
+ {
+ /* get thumbnail size */
+ thumbnail = tumbler_file_info_get_thumbnail (info);
+ flavor = tumbler_thumbnail_get_flavor (thumbnail);
+ tumbler_thumbnail_flavor_get_size (flavor, &width, &height);
+ g_object_unref (G_OBJECT (flavor));
+ g_object_unref (G_OBJECT (thumbnail));
+
+ /* scale thumb if required */
+ scaled = scale_pixbuf (pixbuf, width, height);
+ g_object_unref (G_OBJECT (pixbuf));
+
+ data.data = gdk_pixbuf_get_pixels (scaled);
+ data.has_alpha = gdk_pixbuf_get_has_alpha (scaled);
+ data.bits_per_sample = gdk_pixbuf_get_bits_per_sample (scaled);
+ data.width = gdk_pixbuf_get_width (scaled);
+ data.height = gdk_pixbuf_get_height (scaled);
+ data.rowstride = gdk_pixbuf_get_rowstride (scaled);
+ data.colorspace = (TumblerColorspace) gdk_pixbuf_get_colorspace (scaled);
+
+ tumbler_thumbnail_save_image_data (thumbnail, &data,
+ tumbler_file_info_get_mtime (info),
+ NULL, &error);
+
+ g_object_unref (G_OBJECT (scaled));
+ }
+
+ if (error != NULL)
+ {
+ g_signal_emit_by_name (thumbnailer, "error", uri, error->code, error->message);
+ g_error_free (error);
+ }
+
+ g_object_unref (G_OBJECT (input));
+}
diff --git a/plugins/odf-thumbnailer/odf-thumbnailer.h b/plugins/odf-thumbnailer/odf-thumbnailer.h
new file mode 100644
index 0000000..1cbbac3
--- /dev/null
+++ b/plugins/odf-thumbnailer/odf-thumbnailer.h
@@ -0,0 +1,44 @@
+/* vi:set et ai sw=2 sts=2 ts=2: */
+/*-
+ * Copyright (c) 2009 Jannis Pohlmann <jannis at xfce.org>
+ * Copyright (c) 2011 Nick Schermer <nick at xfce.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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 Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __ODF_THUMBNAILER_H__
+#define __ODF_THUMBNAILER_H__
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS;
+
+#define TYPE_ODF_THUMBNAILER (odf_thumbnailer_get_type ())
+#define ODF_THUMBNAILER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_ODF_THUMBNAILER, OdfThumbnailer))
+#define ODF_THUMBNAILER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_ODF_THUMBNAILER, OdfThumbnailerClass))
+#define IS_ODF_THUMBNAILER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_ODF_THUMBNAILER))
+#define IS_ODF_THUMBNAILER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_ODF_THUMBNAILER)
+#define ODF_THUMBNAILER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_ODF_THUMBNAILER, OdfThumbnailerClass))
+
+typedef struct _OdfThumbnailerClass OdfThumbnailerClass;
+typedef struct _OdfThumbnailer OdfThumbnailer;
+
+GType odf_thumbnailer_get_type (void) G_GNUC_CONST;
+void odf_thumbnailer_register (TumblerProviderPlugin *plugin);
+
+G_END_DECLS;
+
+#endif /* !__ODF_THUMBNAILER_H__ */
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