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

4 files changed, 44 insertions, 17 deletions

diff --git a/backend/djvu/Makefile.am b/backend/djvu/Makefile.am
index fa44bbb..ea5f904 100644
--- a/backend/djvu/Makefile.am
+++ b/backend/djvu/Makefile.am
@@ -1,22 +1,44 @@
+backenddir = $(libdir)/evince/backends
+
 INCLUDES = \
 	-I$(top_srcdir)						\
 	-I$(top_srcdir)/libdocument				\
 	-DGNOMEICONDIR=\""${prefix}/${DATADIRNAME}/pixmaps"\" 	\
-	$(LIB_CFLAGS)						\
-	$(DJVU_CFLAGS)
+	-DGNOMELOCALEDIR=\"$(datadir)/locale\"			\
+	$(BACKEND_CFLAGS)					\
+	$(DJVU_CFLAGS)						\
+	$(WARN_CFLAGS)						\
+	$(DISABLE_DEPRECATED)
 
-noinst_LTLIBRARIES = libgtkdjvu.la
+backend_LTLIBRARIES = libdjvudocument.la
 
-libgtkdjvu_la_SOURCES = \
-	djvu-document.c	\
-	djvu-document.h \
+libdjvudocument_la_SOURCES = 	\
+	djvu-document.c		\
+	djvu-document.h 	\
 	djvu-document-private.h \
-	djvu-links.c	\
-	djvu-links.h	\
-	djvu-text.c	\
-	djvu-text.h	\
-	djvu-text-page.c \
+	djvu-links.c		\
+	djvu-links.h		\
+	djvu-text.c		\
+	djvu-text.h		\
+	djvu-text-page.c 	\
 	djvu-text-page.h
 
+libdjvudocument_la_LDFLAGS = $(BACKEND_LIBTOOL_FLAGS)
+libdjvudocument_la_LIBADD =				\
+	$(top_builddir)/libdocument/libevbackend.la	\
+	$(BACKEND_LIBS)					\
+	$(DJVU_LIBS)
+
+backend_in_files = djvudocument.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)
+
+
 
 
diff --git a/backend/djvu/djvu-document.c b/backend/djvu/djvu-document.c
index 2b9dee7..e16ec6a 100644
--- a/backend/djvu/djvu-document.c
+++ b/backend/djvu/djvu-document.c
@@ -17,6 +17,8 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
+#include "config.h"
+
 #include "djvu-document.h"
 #include "djvu-text.h"
 #include "djvu-links.h"
@@ -27,6 +29,7 @@
 #include "ev-document-find.h"
 #include "ev-document-links.h"
 #include "ev-selection.h"
+#include "ev-file-helpers.h"
 
 #include <gdk-pixbuf/gdk-pixbuf-core.h>
 #include <glib/gi18n.h>
@@ -54,10 +57,8 @@ static void djvu_document_find_iface_init (EvDocumentFindIface *iface);
 static void djvu_document_document_links_iface_init  (EvDocumentLinksIface *iface);
 static void djvu_selection_iface_init (EvSelectionIface *iface);
 
-G_DEFINE_TYPE_WITH_CODE 
-    (DjvuDocument, djvu_document, G_TYPE_OBJECT, 
+EV_BACKEND_REGISTER_WITH_CODE (DjvuDocument, djvu_document,
     {
-      G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, djvu_document_document_iface_init);    
       G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, djvu_document_document_thumbnails_iface_init);
       G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, djvu_document_file_exporter_iface_init);
       G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND, djvu_document_find_iface_init);
@@ -262,7 +263,7 @@ djvu_document_render (EvDocument      *document,
 
 	rowstride = page_width * 4;
 	pixels = (gchar *) g_malloc (page_height * rowstride);
-	surface = cairo_image_surface_create_for_data (pixels,
+	surface = cairo_image_surface_create_for_data ((guchar *)pixels,
 						       CAIRO_FORMAT_RGB24,
 						       page_width,
 						       page_height,
diff --git a/backend/djvu/djvu-document.h b/backend/djvu/djvu-document.h
index 402f476..3a5cd6f 100644
--- a/backend/djvu/djvu-document.h
+++ b/backend/djvu/djvu-document.h
@@ -29,9 +29,9 @@ G_BEGIN_DECLS
 
 typedef struct _DjvuDocument DjvuDocument;
 
-DjvuDocument *djvu_document_new       (void);
+GType                 djvu_document_get_type  (void) G_GNUC_CONST;
 
-GType        djvu_document_get_type  (void) G_GNUC_CONST;
+G_MODULE_EXPORT GType register_evince_backend (GTypeModule *module);
      
 G_END_DECLS
 
diff --git a/backend/djvu/djvudocument.evince-backend.in b/backend/djvu/djvudocument.evince-backend.in
new file mode 100644
index 0000000..716dabf
--- /dev/null
+++ b/backend/djvu/djvudocument.evince-backend.in
@@ -0,0 +1,4 @@
+[Evince Backend]
+Module=djvudocument
+_TypeDescription=Djvu Documents
+MimeType=image/vnd.djvu