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

3 files changed, 16 insertions, 18 deletions

diff --git a/shell/Makefile.am b/shell/Makefile.am
index 973882b..a4e8d1e 100644
--- a/shell/Makefile.am
+++ b/shell/Makefile.am
@@ -102,18 +102,6 @@ evince_LDADD=									\
 	$(SHELL_LIBS)								\
 	$(GNOME_PRINT_LIBS)
 
-if ENABLE_DJVU
-evince_LDADD +=	$(DJVU_LIBS)
-endif
-
-if ENABLE_DVI
-evince_LDADD +=	-lkpathsea
-endif
-
-if WITH_TYPE1_FONTS
-evince_LDADD += -lt1
-endif
-
 BUILT_SOURCES = ev-marshal.h ev-marshal.c
 
 if ENABLE_DBUS
diff --git a/shell/ev-window-title.c b/shell/ev-window-title.c
index 3a7d908..ac1be65 100644
--- a/shell/ev-window-title.c
+++ b/shell/ev-window-title.c
@@ -18,15 +18,19 @@
  */
 
 #include "ev-window-title.h"
-#include "ev-document-factory.h"
+#include "ev-backends-manager.h"
 
 #include <glib/gi18n.h>
 #include <libgnomevfs/gnome-vfs-utils.h>
 
+/* Known backends (for bad extensions fix) */
+#define EV_BACKEND_PS  "psdocument"
+#define EV_BACKEND_PDF "pdfdocument"
+
 typedef struct
 {
-	EvBackend backend;
-	const char *ext;
+	const gchar *backend;
+	const gchar *ext;
 } BadExtensionEntry;
 
 struct _EvWindowTitle
@@ -74,12 +78,13 @@ get_filename_from_uri (const char *uri)
    Let's show the filename in this case */
 static void
 ev_window_title_sanitize_extension (EvWindowTitle *window_title, char **title) {
-	EvBackend backend;
+	const gchar *backend;
 	int i;
 
-	backend = ev_document_factory_get_backend (window_title->document);
+	backend = ev_backends_manager_get_document_module_name (window_title->document);
+
 	for (i = 0; i < G_N_ELEMENTS (bad_extensions); i++) {
-		if (bad_extensions[i].backend == backend &&
+		if (g_ascii_strcasecmp (bad_extensions[i].backend, backend) == 0 && 
 		    g_str_has_suffix (*title, bad_extensions[i].ext)) {
 			char *new_title;
 			char *filename = get_filename_from_uri (window_title->uri);
diff --git a/shell/main.c b/shell/main.c
index b7362e0..e4c2d1b 100644
--- a/shell/main.c
+++ b/shell/main.c
@@ -45,6 +45,7 @@
 #include "ev-stock-icons.h"
 #include "ev-job-queue.h"
 #include "ev-file-helpers.h"
+#include "ev-backends-manager.h"
 
 static gchar   *ev_page_label;
 static gchar   *ev_find_string;
@@ -379,6 +380,8 @@ main (int argc, char *argv[])
 	gnome_authentication_manager_init ();
 #endif
 
+	ev_backends_manager_init ();
+	
 	if (enable_metadata) {
 		ev_metadata_manager_init ();
 	}
@@ -408,6 +411,8 @@ main (int argc, char *argv[])
 		ev_metadata_manager_shutdown ();
 	}
 
+	ev_backends_manager_shutdown ();
+
 #if WITH_GNOME
  	g_object_unref (program);
 #endif