Fix mime type handling.

[evince.git] / libdocument / ev-file-helpers.c

diff --git a/libdocument/ev-file-helpers.c b/libdocument/ev-file-helpers.c
index 5e83b3bc957c1376ca305f906e873848a9b5a29d..5998e5ea78e0194773869457f447eab4f6d8867e 100644 (file)
--- a/libdocument/ev-file-helpers.c
+++ b/libdocument/ev-file-helpers.c
@@ -29,10 +29,6 @@
 #include <glib.h>
 #include <glib/gstdio.h>
 #include <errno.h>
-#include <libgnomevfs/gnome-vfs-uri.h>
-#include <libgnomevfs/gnome-vfs-utils.h>
-#include <libgnomevfs/gnome-vfs-ops.h>
-#include <libgnomevfs/gnome-vfs-xfer.h>
 
 #if WITH_GNOME
 #include <libgnome/gnome-init.h>
@@ -50,7 +46,7 @@ ensure_dir_exists (const char *dir)
        if (g_file_test (dir, G_FILE_TEST_IS_DIR))
                return TRUE;
        
-       if (g_mkdir (dir, 488) == 0)
+       if (g_mkdir_with_parents (dir, 488) == 0)
                return TRUE;
 
        if (errno == EEXIST)
@@ -66,15 +62,10 @@ ev_dot_dir (void)
        if (dot_dir == NULL) {
                gboolean exists;
 
-#if WITH_GNOME
-               dot_dir = g_build_filename (gnome_user_dir_get (),
-                                           "evince",
-                                           NULL);
-#else
-               dot_dir = g_build_filename (g_get_user_config_dir (),
+               dot_dir = g_build_filename (g_get_home_dir (),
+                                           ".gnome2",
                                            "evince",
                                            NULL);
-#endif
 
                exists = ensure_dir_exists (dot_dir);
                if (!exists)
@@ -122,6 +113,20 @@ ev_file_helpers_shutdown (void)
        tmp_dir = NULL;
 }
 
+GFile *
+ev_tmp_file_get (const gchar *prefix)
+{
+       gchar *path;
+       GFile *file;
+
+       path = ev_tmp_filename (prefix);
+       file = g_file_new_for_path (path);
+       
+       g_free (path);
+       
+       return file;
+}
+
 gchar * 
 ev_tmp_filename (const gchar *prefix)
 {
@@ -145,37 +150,149 @@ ev_tmp_filename (const gchar *prefix)
        return filename;
 }
 
+/* Remove a local temp file created by evince */
+void
+ev_tmp_filename_unlink (const gchar *filename)
+{
+       const gchar *tempdir;
+       
+       if (!filename)
+               return;
+
+       tempdir = g_get_tmp_dir ();
+       if (g_ascii_strncasecmp (filename, tempdir, strlen (tempdir)) == 0) {
+               g_unlink (filename);
+       }
+}
+
+void
+ev_tmp_file_unlink (GFile *file)
+{
+       gboolean res;
+       GError  *error = NULL;
+
+       if (!file)
+               return;
+       
+       res = g_file_delete (file, NULL, &error);
+       if (!res) {
+               char *uri;
+               
+               uri = g_file_get_uri (file);
+               g_warning ("Unable to delete temp file %s: %s\n", uri, error->message);
+               g_free (uri);
+               g_error_free (error);
+       }
+}
+
+void
+ev_tmp_uri_unlink (const gchar *uri)
+{
+       GFile *file;
+       
+       if (!uri)
+               return;
+       
+       file = g_file_new_for_uri (uri);
+       if (!g_file_is_native (file)) {
+               g_warning ("Attempting to delete non native uri: %s\n", uri);
+               g_object_unref (file);
+               return;
+       }
+       
+       ev_tmp_file_unlink (file);
+       g_object_unref (file);
+}
+
 gboolean
 ev_xfer_uri_simple (const char *from,
                    const char *to,
                    GError     **error)
 {
-       GnomeVFSResult result;
-       GnomeVFSURI *source_uri;
-       GnomeVFSURI *target_uri;
+       GFile *source_file;
+       GFile *target_file;
+       GError *ioerror = NULL;
+       gboolean result;
        
        if (!from)
                return FALSE;
        
-       source_uri = gnome_vfs_uri_new (from);
-       target_uri = gnome_vfs_uri_new (to);
-
-       result = gnome_vfs_xfer_uri (source_uri, target_uri, 
-                                    GNOME_VFS_XFER_DEFAULT | GNOME_VFS_XFER_FOLLOW_LINKS,
-                                    GNOME_VFS_XFER_ERROR_MODE_ABORT,
-                                    GNOME_VFS_XFER_OVERWRITE_MODE_REPLACE,
-                                    NULL,
-                                    NULL);
-       gnome_vfs_uri_unref (target_uri);
-       gnome_vfs_uri_unref (source_uri);
+       source_file = g_file_new_for_uri (from);
+       target_file = g_file_new_for_uri (to);
+       
+       result = g_file_copy (source_file, target_file,
+                             G_FILE_COPY_OVERWRITE,
+                             NULL, NULL, NULL, &ioerror);
+
+       g_object_unref (target_file);
+       g_object_unref (source_file);
     
-       if (result != GNOME_VFS_OK)
-               g_set_error (error,
-                            G_FILE_ERROR,
-                            G_FILE_ERROR_FAILED,
-                            gnome_vfs_result_to_string (result));
-       return (result == GNOME_VFS_OK);
+       if (!result) {
+               g_propagate_error (error, ioerror);
+       }
+       return result;
+
+}
+
+static gchar *
+get_mime_type_from_uri (const gchar *uri, GError **error)
+{
+       GFile     *file;
+       GFileInfo *file_info;
+       gchar     *mime_type;
+
+       file = g_file_new_for_uri (uri);
+       file_info = g_file_query_info (file,
+                                      G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
+                                      0, NULL, error);
+       g_object_unref (file);
+
+       if (file_info == NULL)
+               return NULL;
+
+       mime_type = g_content_type_get_mime_type (
+                       g_file_info_get_content_type (file_info));
+       g_object_unref (file_info);
+
+       return mime_type;
+}
 
+static gchar *
+get_mime_type_from_data (const gchar *uri, GError **error)
+{
+       GFile            *file;
+       GFileInputStream *input_stream;
+       gssize            size_read;
+       guchar            buffer[1024];
+
+       file = g_file_new_for_uri (uri);
+       
+       input_stream = g_file_read (file, NULL, error);
+       if (!input_stream) {
+               g_object_unref (file);
+               return NULL;
+       }
+
+       size_read = g_input_stream_read (G_INPUT_STREAM (input_stream),
+                                        buffer, 1024, NULL, NULL);
+       g_input_stream_close (G_INPUT_STREAM (input_stream), NULL, error);
+
+       g_object_unref (file);
+
+       if (size_read == -1)
+               return NULL;
+
+       return g_content_type_guess (NULL, /* no filename */
+                                    buffer, 1024,
+                                    NULL);
+}
+
+gchar *
+ev_file_get_mime_type (const gchar *uri,
+                      gboolean     fast,
+                      GError     **error)
+{
+       return fast ? get_mime_type_from_uri (uri, error) : get_mime_type_from_data (uri, error);
 }
 
 /* Compressed files support */