[gthumb/ext] check mime type before calling a metadata provider

[Paolo Bacchilega <paobac src gnome org>]

commit 822ab664f7e7d749c8a464f23f1bc003b67103a2
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Tue Aug 18 18:18:37 2009 +0200

    check mime type before calling a metadata provider

 extensions/exiv2/gth-metadata-provider-exiv2.c     |    3 +++
 .../image_viewer/gth-metadata-provider-image.c     |    3 +++
 2 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/extensions/exiv2/gth-metadata-provider-exiv2.c b/extensions/exiv2/gth-metadata-provider-exiv2.c
index 35ae8b3..f0b946d 100644
--- a/extensions/exiv2/gth-metadata-provider-exiv2.c
+++ b/extensions/exiv2/gth-metadata-provider-exiv2.c
@@ -50,6 +50,9 @@ gth_metadata_provider_exiv2_read (GthMetadataProvider *self,
 	char        *sidecar_uri;
 	GthFileData *sidecar_file_data;
 
+	if (! g_content_type_equals (gth_file_data_get_mime_type (file_data), "image/jpeg"))
+		return;
+
 	/* this function is executed in a secondary thread, so calling
 	 * slow sync functions is not a problem. */
 
diff --git a/extensions/image_viewer/gth-metadata-provider-image.c b/extensions/image_viewer/gth-metadata-provider-image.c
index 53eef88..fc6a32a 100644
--- a/extensions/image_viewer/gth-metadata-provider-image.c
+++ b/extensions/image_viewer/gth-metadata-provider-image.c
@@ -49,6 +49,9 @@ gth_metadata_provider_image_read (GthMetadataProvider *self,
 	char            *filename;
 	int              width, height;
 
+	if (! g_content_type_is_a (gth_file_data_get_mime_type (file_data), "image"))
+		return;
+
 	filename = g_file_get_path (file_data->file);
 	format = gdk_pixbuf_get_file_info (filename, &width, &height);
 	if (format != NULL) {