Plugin system for backends. Fixes bug #351348.

2007-12-28  Carlos Garcia Campos  <carlosgc@gnome.org>
	* configure.ac:
	* Makefile.am:
	* po/POTFILES.in:
	* backend/comics/Makefile.am:
	* backend/comics/comics-document.[ch]:
	* backend/comics/comicsdocument.evince-backend.in:
	* backend/djvu/Makefile.am:
	* backend/djvu/djvu-document.[ch]:
	* backend/djvu/djvudocument.evince-backend.in:
	* backend/dvi/Makefile.am:
	* backend/dvi/dvi-document.[c]:
	* backend/dvi/dvidocument.evince-backend.in:
	* backend/impress/Makefile.am:
	* backend/impress/impress-document.[ch]:
	* backend/impress/impressdocument.evince-backend.in:
	* backend/pdf/Makefile.am:
	* backend/pdf/ev-poppler.cc:
	* backend/pdf/ev-poppler.h:
	* backend/pdf/pdfdocument.evince-backend.in:
	* backend/pixbuf/Makefile.am:
	* backend/pixbuf/pixbuf-document.[ch]:
	* backend/pixbuf/pixbufdocument.evince-backend.in:
	* backend/ps/Makefile.am:
	* backend/ps/ev-spectre.[ch]:
	* backend/ps/ps-document.[ch]:
	* backend/ps/psdocument.evince-backend.in:
	* backend/tiff/Makefile.am:
	* backend/tiff/tiff-document.[ch]:
	* backend/tiff/tiffdocument.evince-backend.in:
	* libdocument/Makefile.am:
	* libdocument/ev-backends-manager.[ch]:
	* libdocument/ev-module.[ch]:
	* libdocument/ev-document.h:
	* libdocument/ev-document-factory.[ch]:
	(gdk_pixbuf_mime_type_list), (mime_type_supported_by_gdk_pixbuf),
	(get_compression_from_mime_type), (get_document_from_uri),
	(ev_document_factory_get_document), (file_filter_add_mime_types),
	(ev_document_factory_add_filters):
	* shell/Makefile.am:
	* shell/ev-window-title.c: (get_filename_from_uri):
	* shell/main.c: (main):
	* thumbnailer/Makefile.am:
	* thumbnailer/evince-thumbnailer.c: (main):
	Plugin system for backends. Fixes bug #351348.

svn path=/trunk/; revision=2786

6 files changed, 42 insertions, 14 deletions

diff --git a/backend/ps/Makefile.am b/backend/ps/Makefile.am
index 921e397..3e46801 100644
--- a/backend/ps/Makefile.am
+++ b/backend/ps/Makefile.am
@@ -1,15 +1,18 @@
-INCLUDES = \
-	-I$(top_srcdir)						\
-	-I$(top_srcdir)/libdocument				\
-	$(BACKEND_CFLAGS)					\
-	$(WARN_CFLAGS)						\
+backenddir = $(libdir)/evince/backends
+
+INCLUDES = 					\
+	-I$(top_srcdir)				\
+	-I$(top_srcdir)/libdocument		\
+	-DGNOMELOCALEDIR=\"$(datadir)/locale\"	\
+	$(BACKEND_CFLAGS)			\
+	$(WARN_CFLAGS)				\
 	$(DISABLE_DEPRECATED)
 
 if HAVE_SPECTRE
 INCLUDES += $(SPECTRE_CFLAGS)
 endif
 
-noinst_LTLIBRARIES = libpsdocument.la
+backend_LTLIBRARIES = libpsdocument.la
 
 if HAVE_SPECTRE
 libpsdocument_la_SOURCES = 	\
@@ -29,3 +32,22 @@ libpsdocument_la_SOURCES = 	\
 	gsdefaults.c		\
 	gsdefaults.h
 endif
+
+libpsdocument_la_LDFLAGS = $(BACKEND_LIBTOOL_FLAGS)
+libpsdocument_la_LIBADD = 				\
+	$(top_builddir)/libdocument/libevbackend.la	\
+	$(BACKEND_LIBS)
+
+if HAVE_SPECTRE
+libpsdocument_la_LIBADD += $(SPECTRE_LIBS)
+endif
+
+backend_in_files = psdocument.evince-backend.in
+
+%.evince-backend: %.evince-backend.in $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*po) ; $(INTLTOOL_MERGE) $(top_srcdir)/po $< $@ -d -u -c $(top_builddir)/po/.intltool-merge-cache
+
+backend_DATA = $(backend_in_files:.evince-backend.in=.evince-backend)
+
+EXTRA_DIST = $(backend_DATA)
+
+CLEANFILES = $(backend_DATA)
\ No newline at end of file
diff --git a/backend/ps/ev-spectre.c b/backend/ps/ev-spectre.c
index a16c0a0..82e3ca6 100644
--- a/backend/ps/ev-spectre.c
+++ b/backend/ps/ev-spectre.c
@@ -17,6 +17,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  */
 
+#include <config.h>
+
 #include <glib/gi18n.h>
 #include <stdlib.h>
 #include <libspectre/spectre.h>
@@ -42,10 +44,8 @@ static void ps_document_document_iface_init            (EvDocumentIface
 static void ps_document_file_exporter_iface_init       (EvFileExporterIface       *iface);
 static void ps_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
 
-G_DEFINE_TYPE_WITH_CODE (PSDocument, ps_document, G_TYPE_OBJECT,
+EV_BACKEND_REGISTER_WITH_CODE (PSDocument, ps_document,
                          {
-				 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
-							ps_document_document_iface_init);
 				 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
 							ps_document_document_thumbnails_iface_init);
 				 G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER,
diff --git a/backend/ps/ev-spectre.h b/backend/ps/ev-spectre.h
index fb00f9f..f79f6b8 100644
--- a/backend/ps/ev-spectre.h
+++ b/backend/ps/ev-spectre.h
@@ -39,7 +39,9 @@ G_BEGIN_DECLS
 typedef struct _PSDocument      PSDocument;
 typedef struct _PSDocumentClass PSDocumentClass;
 
-GType ps_document_get_type (void) G_GNUC_CONST;
+GType                 ps_document_get_type    (void) G_GNUC_CONST;
+
+G_MODULE_EXPORT GType register_evince_backend (GTypeModule *module);
 
 G_END_DECLS
 
diff --git a/backend/ps/ps-document.c b/backend/ps/ps-document.c
index 61f07ab..abe8192 100644
--- a/backend/ps/ps-document.c
+++ b/backend/ps/ps-document.c
@@ -74,10 +74,8 @@ static void     ps_interpreter_page_rendered               (PSInterpreter
 							    GdkPixbuf                 *pixbuf,
 							    PSDocument                *ps_document);
 
-G_DEFINE_TYPE_WITH_CODE (PSDocument, ps_document, G_TYPE_OBJECT,
+EV_BACKEND_REGISTER_WITH_CODE (PSDocument, ps_document,
                          {
-				 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
-							ps_document_document_iface_init);
 				 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
 							ps_document_document_thumbnails_iface_init);
 				 G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER,
diff --git a/backend/ps/ps-document.h b/backend/ps/ps-document.h
index fb00f9f..f79f6b8 100644
--- a/backend/ps/ps-document.h
+++ b/backend/ps/ps-document.h
@@ -39,7 +39,9 @@ G_BEGIN_DECLS
 typedef struct _PSDocument      PSDocument;
 typedef struct _PSDocumentClass PSDocumentClass;
 
-GType ps_document_get_type (void) G_GNUC_CONST;
+GType                 ps_document_get_type    (void) G_GNUC_CONST;
+
+G_MODULE_EXPORT GType register_evince_backend (GTypeModule *module);
 
 G_END_DECLS
 
diff --git a/backend/ps/psdocument.evince-backend.in b/backend/ps/psdocument.evince-backend.in
new file mode 100644
index 0000000..616c66b
--- /dev/null
+++ b/backend/ps/psdocument.evince-backend.in
@@ -0,0 +1,4 @@
+[Evince Backend]
+Module=psdocument
+_TypeDescription=PostScript Documents
+MimeType=application/postscript;application/x-bzpostscript;application/x-gzpostscript;image/x-eps;image/x-bzeps;image/x-gzeps