vcs.maemo.org Git - cinaest/blob - src/poster/movie-poster-factory.vala

   1 using GLib;
   2
   3 namespace MoviePoster {
   4
   5         public delegate void RequestCallback (Gdk.Pixbuf movieposter, Movie movie);
   6
   7         public class Factory : Object {
   8                 private static Factory the_factory = null;
   9                 internal List<Request> requests;
  10                 internal dynamic DBus.Object server;
  11                 internal bool download_posters;
  12                 private GConf.Client gc;
  13                 private uint cxnid;
  14
  15                 construct {
  16                         try {
  17                                 var conn = DBus.Bus.get (DBus.BusType.SESSION);
  18                                 server = conn.get_object ("org.maemo.movieposter.GoogleImages",
  19                                                           "/org/maemo/movieposter/GoogleImages",
  20                                                           "org.maemo.movieposter.Provider");
  21                                 server.Fetched += this.on_poster_fetched;
  22                         } catch (Error e) {
  23                                 warning ("Couldn't connect to Google image downloader: %s\n", e.message);
  24                         }
  25                         gc = GConf.Client.get_default ();
  26
  27                         download_posters = gc.get_bool ("/apps/cinaest/download_posters");
  28                         gc.add_dir ("/apps/cinaest", GConf.ClientPreloadType.ONELEVEL);
  29                         cxnid = gc.notify_add ("/apps/cinaest/download_posters", on_download_posters_changed);
  30                 }
  31
  32                 private static void on_download_posters_changed (GConf.Client gc, uint cxnid, GConf.Entry entry) {
  33                         the_factory.download_posters = entry.get_value ().get_bool ();
  34                 }
  35
  36                 public static Factory get_instance () {
  37                         if (the_factory == null)
  38                                 the_factory = new MoviePoster.Factory ();
  39                         return the_factory;
  40                 }
  41
  42                 public int queue (Movie movie, RequestCallback callback) throws Error {
  43                         string path = get_path (movie);
  44
  45                         if (FileUtils.test (path, FileTest.IS_REGULAR)) {
  46                                 // TODO: make this async?
  47                                 var pixbuf = new Gdk.Pixbuf.from_file_at_size (path, 268, 424);
  48                                 callback (pixbuf, movie);
  49                         } else if (server != null && download_posters) {
  50                                 var request = new Request ();
  51
  52                                 request.handle = server.fetch (movie.title.down (), movie.year.to_string (), "movie");
  53                                 request.movie = movie;
  54                                 request.callback = callback;
  55                                 request.width = 268;
  56                                 request.height = 424;
  57                                 requests.append (request);
  58                         }
  59                         return 0;
  60                 }
  61
  62                 public int queue_thumbnail (Movie movie, uint width, uint height, bool cropped, RequestCallback callback) throws Error {
  63                         string path = get_path_thumbnail (movie);
  64
  65                         if (FileUtils.test (path, FileTest.IS_REGULAR)) {
  66                                 // TODO: make this async?
  67                                 var pixbuf = new Gdk.Pixbuf.from_file_at_size (path, (int) width, (int) height);
  68                                 callback (pixbuf, movie);
  69                         } else if (server != null && download_posters) {
  70                                 var request = new Request ();
  71
  72                                 request.handle = server.fetch_thumbnail (movie.title.down (), movie.year.to_string (), "movie");
  73                                 request.movie = movie;
  74                                 request.callback = callback;
  75                                 request.width = (int) width;
  76                                 request.height = (int) height;
  77                                 requests.append (request);
  78                         }
  79                         return 0;
  80                 }
  81
  82                 private void on_poster_fetched (dynamic DBus.Object server, int handle, string path) {
  83                         Request request = null;
  84                         foreach (Request r in requests) {
  85                                 if (r.handle == handle) {
  86                                         request = r;
  87                                         break;
  88                                 }
  89                         }
  90                         if (request == null)
  91                                 return;
  92                         try {
  93                                 var pixbuf = new Gdk.Pixbuf.from_file_at_size (path, request.width, request.height);
  94
  95                                 requests.remove (request);
  96                                 request.callback (pixbuf, request.movie);
  97                                 return;
  98                         } catch (Error e) {
  99                                 warning ("Failed to open poster: %s\n", e.message);
 100                         }
 101                 }
 102
 103                 public void join () {
 104                 }
 105
 106                 public static void factory_remove (Movie movie) {
 107                 }
 108
 109                 public static void factory_clean_cache (int max_size, time_t min_mtime) {
 110                 }
 111
 112                 public void clear_queue () {
 113
 114                         // FIXME
 115                         if (server != null)
 116                                 server.unqueue (0);
 117
 118                         requests = null;
 119                 }
 120         }
 121
 122         public class Request {
 123                 public int handle;
 124                 public Movie movie;
 125                 public RequestCallback callback;
 126                 public int width;
 127                 public int height;
 128
 129                 public void unqueue () {
 130                         if (Factory.get_instance ().server != null)
 131                                 Factory.get_instance ().server.unqueue (this.handle);
 132
 133                         Factory.get_instance ().requests.remove (this);
 134                 }
 135
 136                 public void join () {
 137                 }
 138         }
 139
 140         public static bool is_cached (Movie movie) {
 141                 string filename = get_path (movie);
 142                 if (FileUtils.test (filename, FileTest.IS_REGULAR))
 143                         return true;
 144                 else
 145                         return false;
 146         }
 147
 148         public static string get_path (Movie movie) {
 149                 return Path.build_filename (Environment.get_user_cache_dir (), "media-art", "movie-" +
 150                                             Checksum.compute_for_string (ChecksumType.MD5, movie.title.down ()) + "-" +
 151                                             Checksum.compute_for_string (ChecksumType.MD5, movie.year.to_string ()) + ".jpeg");
 152         }
 153
 154         public static string get_path_thumbnail (Movie movie) {
 155                 return Path.build_filename (Environment.get_tmp_dir (), "cinaest-thumbnails", "movie-" +
 156                                             Checksum.compute_for_string (ChecksumType.MD5, movie.title.down ()) + "-" +
 157                                             Checksum.compute_for_string (ChecksumType.MD5, movie.year.to_string ()) + ".jpeg");
 158         }
 159 }
 160