diff options
Diffstat (limited to 'libdocument/ev-file-helpers.c')
-rw-r--r-- | libdocument/ev-file-helpers.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libdocument/ev-file-helpers.c b/libdocument/ev-file-helpers.c index 45eb3ec..34d24f0 100644 --- a/libdocument/ev-file-helpers.c +++ b/libdocument/ev-file-helpers.c @@ -232,6 +232,66 @@ ev_xfer_uri_simple (const char *from, } +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_strdup (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 */ #define BZIPCOMMAND "bzip2" #define GZIPCOMMAND "gzip" |