Removed EggRecentViewGtk

[evince.git] / shell / ev-document-types.c

diff --git a/shell/ev-document-types.c b/shell/ev-document-types.c
index cc7734f12ad95b5ab84a2880c7e1615c78ee0852..7133295285ffa796d4eeb1d85e5085ec7709e195 100644 (file)
--- 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;
+}