X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=inline;f=shell%2Fev-document-types.c;h=7133295285ffa796d4eeb1d85e5085ec7709e195;hb=d93ec57b2282ee22ade99eba434e1b13de80bcf3;hp=cc7734f12ad95b5ab84a2880c7e1615c78ee0852;hpb=f332d42bc834d6a7b0ec58bb8e073e63bc619f63;p=evince.git

diff --git a/shell/ev-document-types.c b/shell/ev-document-types.c
index cc7734f1..71332952 100644
--- a/shell/ev-document-types.c
+++ b/shell/ev-document-types.c
@@ -27,6 +27,7 @@
 /* The various document type backends: */
 #include "ev-poppler.h"
 #include "pixbuf-document.h"
+#include "tiff-document.h"
 #include "ps-document.h"
 #ifdef ENABLE_DVI
 #include "dvi-document.h"
@@ -36,6 +37,10 @@
 #endif
 
 #include <string.h>
+#include <glib/gi18n.h>
+#include <libgnomevfs/gnome-vfs-mime-utils.h>
+#include <libgnomevfs/gnome-vfs-file-info.h>
+#include <libgnomevfs/gnome-vfs-ops.h>
 
 typedef struct _EvDocumentType EvDocumentType;
 struct _EvDocumentType
@@ -53,9 +58,14 @@ const EvDocumentType document_types[] = {
 	{"application/x-gzpostscript", ps_document_get_type},
 	{"image/x-eps",                ps_document_get_type},
 
+#ifdef ENABLE_TIFF
+	/* Tiff: */
+	{"image/tiff",                 tiff_document_get_type},
+#endif
+
 #ifdef ENABLE_DJVU
 	/* djvu: */
-	{"image/vnd.djvu",             djvu_document_get_type),
+	{"image/vnd.djvu",             djvu_document_get_type},
 #endif		
 
 #ifdef ENABLE_DVI
@@ -102,16 +112,17 @@ mime_type_supported_by_gdk_pixbuf (const gchar *mime_type)
 	return retval;
 }
 
-GType
-ev_document_type_lookup (const char *mime_type)
+
+static GType
+ev_document_type_from_from_mime (const char *mime_type)
 {
 	int i;
-
+	
 	g_return_val_if_fail (mime_type, G_TYPE_INVALID);
 
-	for (i=0;i<G_N_ELEMENTS (document_types);i++) {
-		if (0==strcmp(mime_type, document_types[i].mime_type)) {
-			g_assert (document_types[i].document_type_factory_callback!=NULL);
+	for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
+		if (strcmp (mime_type, document_types[i].mime_type) == 0) {
+			g_assert (document_types[i].document_type_factory_callback != NULL);
 			return document_types[i].document_type_factory_callback();
 		}
 	}
@@ -122,3 +133,83 @@ ev_document_type_lookup (const char *mime_type)
 
 	return G_TYPE_INVALID;
 }
+
+/**
+ * ev_document_type_get_type:
+ * @uri: String with uri
+ * @slow: Do we need to check slow gnome-vfs mime type
+ * @mime_type: If we've found handled type, the mime_type string is returned here.
+ * @error: Information about error occured
+ * 
+ * Return value: G_TYPE_INVALID on error, G_TYPE_NONE when we are not sure about
+ * mime type, and type of EvDocument implementation when we've found document.
+ **/
+static GType
+ev_document_type_get_type (const char *uri, gboolean slow, gchar **mime_type, GError **error)
+{
+        GnomeVFSFileInfo *info;
+        GnomeVFSResult result;
+
+        GType type = G_TYPE_INVALID;
+	
+        info = gnome_vfs_file_info_new ();
+        result = gnome_vfs_get_file_info (uri, info,
+	    			          GNOME_VFS_FILE_INFO_GET_MIME_TYPE |
+		                          GNOME_VFS_FILE_INFO_FOLLOW_LINKS | 
+					  (slow ? GNOME_VFS_FILE_INFO_FORCE_SLOW_MIME_TYPE : 0));
+        if (result != GNOME_VFS_OK) {
+		g_set_error (error,
+			     EV_DOCUMENT_ERROR,
+			     0,
+			     gnome_vfs_result_to_string (result));			
+		gnome_vfs_file_info_unref (info);
+		return G_TYPE_INVALID;
+        } 
+	
+	if (info->mime_type == NULL) {
+		g_set_error (error,
+			     EV_DOCUMENT_ERROR,	
+    			     0,
+			     _("Unknown MIME Type"));
+		gnome_vfs_file_info_unref (info);
+		return slow ? G_TYPE_INVALID : G_TYPE_NONE;
+	}
+	
+	type = ev_document_type_from_from_mime (info->mime_type);
+	
+	if (type == G_TYPE_INVALID) {
+		g_set_error (error,
+			     EV_DOCUMENT_ERROR,	
+			     0,
+			     _("Unhandled MIME type: '%s'"), info->mime_type);
+		gnome_vfs_file_info_unref (info);
+		return slow ? G_TYPE_INVALID : G_TYPE_NONE;
+	}			
+
+	if (mime_type != NULL) {
+		    *mime_type = g_strdup (info->mime_type);
+	}
+        gnome_vfs_file_info_unref (info);
+	
+        return type;
+}
+
+GType
+ev_document_type_lookup (const char *uri, gchar **mime_type, GError **error)
+{
+	GType type = G_TYPE_INVALID;
+	
+	type = ev_document_type_get_type (uri, FALSE, mime_type, error);
+
+	if (type != G_TYPE_NONE)
+		return type;
+		
+	if (error) {
+		g_error_free (*error);
+		*error = NULL;
+	}
+
+	type = ev_document_type_get_type (uri, TRUE, mime_type, error);
+
+	return type;
+}