shell/ev-jobs.c

   1 #include "ev-jobs.h"
   2 #include "ev-job-queue.h"
   3 #include "ev-document-thumbnails.h"
   4 #include "ev-document-links.h"
   5 #include "ev-document-fonts.h"
   6 #include "ev-async-renderer.h"
   7
   8 static void ev_job_init                 (EvJob               *job);
   9 static void ev_job_class_init           (EvJobClass          *class);
  10 static void ev_job_links_init           (EvJobLinks          *job);
  11 static void ev_job_links_class_init     (EvJobLinksClass     *class);
  12 static void ev_job_render_init          (EvJobRender         *job);
  13 static void ev_job_render_class_init    (EvJobRenderClass    *class);
  14 static void ev_job_thumbnail_init       (EvJobThumbnail      *job);
  15 static void ev_job_thumbnail_class_init (EvJobThumbnailClass *class);
  16 static void ev_job_load_init            (EvJobLoad           *job);
  17 static void ev_job_load_class_init      (EvJobLoadClass      *class);
  18
  19 enum
  20 {
  21         FINISHED,
  22         LAST_SIGNAL
  23 };
  24
  25 static guint job_signals[LAST_SIGNAL] = { 0 };
  26
  27 G_DEFINE_TYPE (EvJob, ev_job, G_TYPE_OBJECT)
  28 G_DEFINE_TYPE (EvJobLinks, ev_job_links, EV_TYPE_JOB)
  29 G_DEFINE_TYPE (EvJobRender, ev_job_render, EV_TYPE_JOB)
  30 G_DEFINE_TYPE (EvJobThumbnail, ev_job_thumbnail, EV_TYPE_JOB)
  31 G_DEFINE_TYPE (EvJobLoad, ev_job_load, EV_TYPE_JOB)
  32 G_DEFINE_TYPE (EvJobFonts, ev_job_fonts, EV_TYPE_JOB)
  33
  34 static void ev_job_init (EvJob *job) { /* Do Nothing */ }
  35
  36 static void
  37 ev_job_dispose (GObject *object)
  38 {
  39         EvJob *job;
  40
  41         job = EV_JOB (object);
  42
  43         if (job->document) {
  44                 g_object_unref (job->document);
  45                 job->document = NULL;
  46         }
  47
  48         (* G_OBJECT_CLASS (ev_job_parent_class)->dispose) (object);
  49 }
  50
  51 static void
  52 ev_job_class_init (EvJobClass *class)
  53 {
  54         GObjectClass *oclass;
  55
  56         oclass = G_OBJECT_CLASS (class);
  57
  58         oclass->dispose = ev_job_dispose;
  59
  60         job_signals [FINISHED] =
  61                 g_signal_new ("finished",
  62                               EV_TYPE_JOB,
  63                               G_SIGNAL_RUN_LAST,
  64                               G_STRUCT_OFFSET (EvJobClass, finished),
  65                               NULL, NULL,
  66                               g_cclosure_marshal_VOID__VOID,
  67                               G_TYPE_NONE, 0);
  68 }
  69
  70
  71 static void ev_job_links_init (EvJobLinks *job) { /* Do Nothing */ }
  72
  73 static void
  74 ev_job_links_dispose (GObject *object)
  75 {
  76         EvJobLinks *job;
  77
  78         job = EV_JOB_LINKS (object);
  79
  80         if (job->model) {
  81                 g_object_unref (job->model);
  82                 job->model = NULL;
  83         }
  84
  85         (* G_OBJECT_CLASS (ev_job_links_parent_class)->dispose) (object);
  86 }
  87
  88 static void
  89 ev_job_links_class_init (EvJobLinksClass *class)
  90 {
  91         GObjectClass *oclass;
  92
  93         oclass = G_OBJECT_CLASS (class);
  94
  95         oclass->dispose = ev_job_links_dispose;
  96 }
  97
  98
  99 static void ev_job_render_init (EvJobRender *job) { /* Do Nothing */ }
 100
 101 static void
 102 ev_job_render_dispose (GObject *object)
 103 {
 104         EvJobRender *job;
 105
 106         job = EV_JOB_RENDER (object);
 107
 108         if (job->pixbuf) {
 109                 g_object_unref (job->pixbuf);
 110                 job->pixbuf = NULL;
 111         }
 112
 113         (* G_OBJECT_CLASS (ev_job_render_parent_class)->dispose) (object);
 114 }
 115
 116 static void
 117 ev_job_render_class_init (EvJobRenderClass *class)
 118 {
 119         GObjectClass *oclass;
 120
 121         oclass = G_OBJECT_CLASS (class);
 122
 123         oclass->dispose = ev_job_render_dispose;
 124 }
 125
 126 static void ev_job_thumbnail_init (EvJobThumbnail *job) { /* Do Nothing */ }
 127
 128 static void
 129 ev_job_thumbnail_dispose (GObject *object)
 130 {
 131         EvJobThumbnail *job;
 132
 133         job = EV_JOB_THUMBNAIL (object);
 134
 135         if (job->thumbnail) {
 136                 g_object_unref (job->thumbnail);
 137                 job->thumbnail = NULL;
 138         }
 139
 140         (* G_OBJECT_CLASS (ev_job_thumbnail_parent_class)->dispose) (object);
 141 }
 142
 143 static void
 144 ev_job_thumbnail_class_init (EvJobThumbnailClass *class)
 145 {
 146         GObjectClass *oclass;
 147
 148         oclass = G_OBJECT_CLASS (class);
 149
 150         oclass->dispose = ev_job_thumbnail_dispose;
 151 }
 152
 153 static void ev_job_load_init (EvJobLoad *job) { /* Do Nothing */ }
 154
 155 static void
 156 ev_job_load_dispose (GObject *object)
 157 {
 158         EvJobLoad *job;
 159
 160         job = EV_JOB_LOAD (object);
 161
 162         if (job->uri) {
 163                 g_free (job->uri);
 164                 job->uri = NULL;
 165         }
 166
 167         if (job->error) {
 168                 g_error_free (job->error);
 169                 job->error = NULL;
 170         }
 171
 172         (* G_OBJECT_CLASS (ev_job_load_parent_class)->dispose) (object);
 173 }
 174
 175 static void
 176 ev_job_load_class_init (EvJobLoadClass *class)
 177 {
 178         GObjectClass *oclass;
 179
 180         oclass = G_OBJECT_CLASS (class);
 181
 182         oclass->dispose = ev_job_load_dispose;
 183 }
 184
 185 /* Public functions */
 186 void
 187 ev_job_finished (EvJob *job)
 188 {
 189         g_return_if_fail (EV_IS_JOB (job));
 190
 191         g_signal_emit (job, job_signals[FINISHED], 0);
 192 }
 193
 194 EvJob *
 195 ev_job_links_new (EvDocument *document)
 196 {
 197         EvJob *job;
 198
 199         job = g_object_new (EV_TYPE_JOB_LINKS, NULL);
 200         job->document = g_object_ref (document);
 201
 202         return job;
 203 }
 204
 205 void
 206 ev_job_links_run (EvJobLinks *job)
 207 {
 208         g_return_if_fail (EV_IS_JOB_LINKS (job));
 209
 210         ev_document_doc_mutex_lock ();
 211         job->model = ev_document_links_get_links_model (EV_DOCUMENT_LINKS (EV_JOB (job)->document));
 212         EV_JOB (job)->finished = TRUE;
 213         ev_document_doc_mutex_unlock ();
 214 }
 215
 216
 217 EvJob *
 218 ev_job_render_new (EvDocument *document,
 219                    gint        page,
 220                    double      scale,
 221                    gint        width,
 222                    gint        height,
 223                    gboolean    include_links)
 224 {
 225         EvJobRender *job;
 226
 227         job = g_object_new (EV_TYPE_JOB_RENDER, NULL);
 228
 229         EV_JOB (job)->document = g_object_ref (document);
 230         job->page = page;
 231         job->scale = scale;
 232         job->target_width = width;
 233         job->target_height = height;
 234         job->include_links = include_links;
 235
 236         if (EV_IS_ASYNC_RENDERER (document)) {
 237                 EV_JOB (job)->async = TRUE;
 238         }
 239
 240         return EV_JOB (job);
 241 }
 242
 243 static void
 244 render_finished_cb (EvDocument *document, GdkPixbuf *pixbuf, EvJobRender *job)
 245 {
 246         g_signal_handlers_disconnect_by_func (EV_JOB (job)->document,
 247                                               render_finished_cb, job);
 248
 249         EV_JOB (job)->finished = TRUE;
 250         job->pixbuf = g_object_ref (pixbuf);
 251         ev_job_finished (EV_JOB (job));
 252 }
 253
 254 void
 255 ev_job_render_run (EvJobRender *job)
 256 {
 257         g_return_if_fail (EV_IS_JOB_RENDER (job));
 258
 259         ev_document_doc_mutex_lock ();
 260
 261         if (EV_JOB (job)->async) {
 262                 EvAsyncRenderer *renderer = EV_ASYNC_RENDERER (EV_JOB (job)->document);
 263                 ev_async_renderer_render_pixbuf (renderer, job->page, job->scale);
 264                 g_signal_connect (EV_JOB (job)->document, "render_finished",
 265                                   G_CALLBACK (render_finished_cb), job);
 266         } else {
 267                 job->pixbuf = ev_document_render_pixbuf (EV_JOB (job)->document,
 268                                                          job->page,
 269                                                          job->scale);
 270                 if (job->include_links)
 271                         job->link_mapping = ev_document_get_links (EV_JOB (job)->document, job->page);
 272
 273                 EV_JOB (job)->finished = TRUE;
 274         }
 275
 276         ev_document_doc_mutex_unlock ();
 277 }
 278
 279 EvJob *
 280 ev_job_thumbnail_new (EvDocument *document,
 281                       gint        page,
 282                       gint        requested_width)
 283 {
 284         EvJobThumbnail *job;
 285
 286         job = g_object_new (EV_TYPE_JOB_THUMBNAIL, NULL);
 287
 288         EV_JOB (job)->document = g_object_ref (document);
 289         job->page = page;
 290         job->requested_width = requested_width;
 291
 292         return EV_JOB (job);
 293 }
 294
 295 void
 296 ev_job_thumbnail_run (EvJobThumbnail *job)
 297 {
 298         g_return_if_fail (EV_IS_JOB_THUMBNAIL (job));
 299
 300         ev_document_doc_mutex_lock ();
 301
 302         job->thumbnail =
 303                 ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (EV_JOB (job)->document),
 304                                                       job->page,
 305                                                       job->requested_width,
 306                                                       TRUE);
 307         EV_JOB (job)->finished = TRUE;
 308
 309         ev_document_doc_mutex_unlock ();
 310 }
 311
 312 EvJob *
 313 ev_job_load_new (EvDocument *document,
 314                  const gchar *uri)
 315 {
 316         EvJobLoad *job;
 317
 318         job = g_object_new (EV_TYPE_JOB_LOAD, NULL);
 319
 320         EV_JOB (job)->document = g_object_ref (document);
 321         job->uri = g_strdup (uri);
 322
 323         return EV_JOB (job);
 324 }
 325
 326 void
 327 ev_job_load_run (EvJobLoad *job)
 328 {
 329         g_return_if_fail (EV_IS_JOB_LOAD (job));
 330
 331         ev_document_doc_mutex_lock ();
 332
 333         if (job->error) {
 334                 g_error_free (job->error);
 335                 job->error = NULL;
 336         }
 337
 338         ev_document_load (EV_JOB(job)->document, job->uri, &job->error);
 339
 340         EV_JOB (job)->finished = TRUE;
 341
 342         ev_document_doc_mutex_unlock ();
 343 }
 344
 345 static void ev_job_fonts_init (EvJobFonts *job) { /* Do Nothing */ }
 346
 347 static void ev_job_fonts_class_init (EvJobFontsClass *class) { /* Do Nothing */ }
 348
 349 EvJob *
 350 ev_job_fonts_new (EvDocument *document)
 351 {
 352         EvJobFonts *job;
 353
 354         job = g_object_new (EV_TYPE_JOB_FONTS, NULL);
 355
 356         EV_JOB (job)->document = g_object_ref (document);
 357
 358         return EV_JOB (job);
 359 }
 360
 361 void
 362 ev_job_fonts_run (EvJobFonts *job)
 363 {
 364         EvDocumentFonts *fonts;
 365
 366         g_return_if_fail (EV_IS_JOB_FONTS (job));
 367
 368         ev_document_doc_mutex_lock ();
 369
 370         fonts = EV_DOCUMENT_FONTS (EV_JOB (job)->document);
 371         job->scan_completed = !ev_document_fonts_scan (fonts, 20);
 372
 373         EV_JOB (job)->finished = TRUE;
 374
 375         ev_document_doc_mutex_unlock ();
 376 }