Pileus Git - grits/blob - src/data.c

   1 #include <config.h>
   2 #include <glib.h>
   3 #include <gio/gio.h>
   4
   5 #include "data.h"
   6
   7 typedef struct {
   8         AWeatherCacheDoneCallback callback;
   9         gchar *src;
  10         gchar *dst;
  11         gchar *user_data;
  12 } cache_file_end_t;
  13
  14 static void cache_file_cb(GObject *source_object, GAsyncResult *res, gpointer _info)
  15 {
  16         cache_file_end_t *info = _info;
  17         GError *error = NULL;
  18         g_file_copy_finish(G_FILE(source_object), res, &error);
  19         if (error) {
  20                 g_message("error copying file ([%s]->[%s]): %s",
  21                         info->src, info->dst, error->message);
  22         } else {
  23                 info->callback(info->dst, info->user_data);
  24         }
  25         g_free(info->src);
  26         g_free(info->dst);
  27         g_free(info);
  28 }
  29
  30 /**
  31  * Cache a image from Ridge to the local disk
  32  * \param  path  Path to the Ridge file, starting after /ridge/
  33  * \return The local path to the cached image
  34  */
  35 void cache_file(char *base, char *path, AWeatherCacheDoneCallback callback, gpointer user_data)
  36 {
  37         gchar *url   = g_strconcat(base, path, NULL);
  38         gchar *local = g_build_filename(g_get_user_cache_dir(), PACKAGE, path, NULL);
  39         if (g_file_test(local, G_FILE_TEST_EXISTS)) {
  40                 callback(local, user_data);
  41         } else {
  42                 if (!g_file_test(g_path_get_dirname(local), G_FILE_TEST_IS_DIR))
  43                         g_mkdir_with_parents(g_path_get_dirname(local), 0755);
  44                 cache_file_end_t *info = g_malloc0(sizeof(cache_file_end_t));
  45                 info->callback  = callback;
  46                 info->src       = url;
  47                 info->dst       = local;
  48                 info->user_data = user_data;
  49                 GFile *src = g_file_new_for_uri(url);
  50                 GFile *dst = g_file_new_for_path(local);
  51                 g_file_copy_async(src, dst,
  52                         G_FILE_COPY_OVERWRITE, // GFileCopyFlags flags,
  53                         0,                     // int io_priority,
  54                         NULL,                  // GCancellable *cancellable,
  55                         NULL,                  // GFileProgressCallback progress_callback,
  56                         NULL,                  // gpointer progress_callback_data,
  57                         cache_file_cb,         // GAsyncReadyCallback callback,
  58                         info);                 // gpointer user_data
  59         }
  60 }