diff options
| -rw-r--r-- | src/mate-screensaver-preferences.c | 82 |
1 files changed, 80 insertions, 2 deletions
diff --git a/src/mate-screensaver-preferences.c b/src/mate-screensaver-preferences.c index 9d1706a..e2d1371 100644 --- a/src/mate-screensaver-preferences.c +++ b/src/mate-screensaver-preferences.c @@ -38,6 +38,7 @@ #define MATE_DESKTOP_USE_UNSTABLE_API #include <libmate-desktop/mate-desktop-utils.h> +#include <libmate-desktop/mate-desktop-thumbnail.h> #include "gs-debug.h" @@ -89,6 +90,7 @@ static GSJob *job = NULL; static GSettings *screensaver_settings = NULL; static GSettings *session_settings = NULL; static GSettings *lockdown_settings = NULL; +static MateDesktopThumbnailFactory *thumb_factory = NULL; static gint32 config_get_activate_delay (gboolean *is_writable) @@ -1521,6 +1523,75 @@ is_program_in_path (const char *program) } static void +update_picture_filename_preview (GtkFileChooser *file_chooser, + gpointer data) +{ + GtkWidget *preview; + char *uri; + gboolean have_preview = FALSE; + + preview = GTK_WIDGET (data); + uri = gtk_file_chooser_get_preview_uri (file_chooser); + if (uri) { + GFile *file; + GFileInfo *file_info; + time_t mtime; + guint64 mtime_aux; + char *thumb_path; + + file = g_file_new_for_uri (uri); + file_info = g_file_query_info (file, + G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE","G_FILE_ATTRIBUTE_TIME_MODIFIED, + G_FILE_QUERY_INFO_NONE, + NULL, NULL); + g_object_unref (file); + + if (file_info == NULL) + goto no_file_info; + + mtime_aux = g_file_info_get_attribute_uint64 (file_info, + G_FILE_ATTRIBUTE_TIME_MODIFIED); + mtime = (time_t)mtime_aux; + if ((thumb_path = mate_desktop_thumbnail_factory_lookup (thumb_factory, uri, mtime)) != NULL) { + /* try to load thumbnail from cache */ + gtk_image_set_from_file (GTK_IMAGE (preview), thumb_path); + have_preview = TRUE; + g_free (thumb_path); + } else { + /* try to generate thumbnail from wallpaper & store to cache */ + const char *content_type = g_file_info_get_content_type (file_info); + if (content_type != NULL) { + char *mime_type = g_content_type_get_mime_type (content_type); + if (mime_type != NULL) { + /* can generate thumbnail and did not fail previously */ + if (mate_desktop_thumbnail_factory_can_thumbnail (thumb_factory, uri, mime_type, mtime)) { + GdkPixbuf *pixbuf; + pixbuf = mate_desktop_thumbnail_factory_generate_thumbnail (thumb_factory, + uri, mime_type); + if (pixbuf != NULL) { + gtk_image_set_from_pixbuf (GTK_IMAGE (preview), pixbuf); + mate_desktop_thumbnail_factory_save_thumbnail (thumb_factory, + pixbuf, uri, mtime); + have_preview = TRUE; + g_object_unref (pixbuf); + } else { + mate_desktop_thumbnail_factory_create_failed_thumbnail (thumb_factory, + uri, mtime); + } + } + g_free (mime_type); + } + } + } + g_object_unref (file_info); + +no_file_info: + g_free (uri); + } + gtk_file_chooser_set_preview_widget_active (file_chooser, have_preview); +} + +static void init_capplet (void) { GtkWidget *dialog; @@ -1541,6 +1612,7 @@ init_capplet (void) GtkWidget *fullscreen_preview_next; GtkWidget *fullscreen_preview_close; GtkWidget *picture_filename; + GtkWidget *picture_filename_preview; gdouble activate_delay; gboolean enabled; gboolean is_writable; @@ -1639,9 +1711,14 @@ init_capplet (void) G_CALLBACK (lock_checkbox_toggled), NULL); char *path = g_settings_get_string (screensaver_settings, "picture-filename"); - gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (gtk_builder_get_object (builder, "picture_filename")), path); - gtk_file_filter_add_pixbuf_formats (GTK_FILE_FILTER (gtk_builder_get_object (builder, "picture_filefilter"))); + gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (picture_filename), path); g_free (path); + gtk_file_filter_add_pixbuf_formats (GTK_FILE_FILTER (gtk_builder_get_object (builder, "picture_filefilter"))); + picture_filename_preview = gtk_image_new (); + gtk_file_chooser_set_preview_widget (GTK_FILE_CHOOSER (picture_filename), picture_filename_preview); + thumb_factory = mate_desktop_thumbnail_factory_new (MATE_DESKTOP_THUMBNAIL_SIZE_LARGE); + g_signal_connect (picture_filename, "update-preview", + G_CALLBACK (update_picture_filename_preview), picture_filename_preview); g_signal_connect (picture_filename, "selection-changed", G_CALLBACK (picture_filename_changed), NULL); @@ -1719,6 +1796,7 @@ finalize_capplet (void) g_object_unref (screensaver_settings); g_object_unref (session_settings); g_object_unref (lockdown_settings); + g_object_unref (thumb_factory); } int |