git.maemo.org Git - modest/blob - src/widgets/modest-progress-bar.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <string.h>
  31 #include <glib/gi18n.h>
  32 #include <gtk/gtk.h>
  33 #include "widgets/modest-progress-bar.h"
  34 #include "modest-tny-account.h"
  35 #include "modest-platform.h"
  36 #include "modest-runtime.h"
  37
  38 /* 'private'/'protected' functions */
  39 static void modest_progress_bar_class_init (ModestProgressBarClass *klass);
  40 static void modest_progress_bar_init       (ModestProgressBar *obj);
  41 static void modest_progress_bar_finalize   (GObject *obj);
  42
  43 static void modest_progress_bar_add_operation    (ModestProgressObject *self,
  44                                                     ModestMailOperation  *mail_op);
  45
  46 static void modest_progress_bar_remove_operation (ModestProgressObject *self,
  47                                                     ModestMailOperation  *mail_op);
  48
  49 static void modest_progress_bar_cancel_current_operation (ModestProgressObject *self);
  50
  51 static void modest_progress_bar_cancel_all_operations    (ModestProgressObject *self);
  52
  53 static guint modest_progress_bar_num_pending_operations (ModestProgressObject *self);
  54
  55 static void on_progress_changed                    (ModestMailOperation  *mail_op,
  56                                                     ModestMailOperationState *state,
  57                                                     ModestProgressBar *self);
  58
  59 static gboolean     progressbar_clean        (GtkProgressBar *bar);
  60
  61 static gboolean modest_progress_bar_is_pulsating (ModestProgressBar *self);
  62
  63 static void modest_progress_bar_set_pulsating_mode (ModestProgressBar *self,
  64                                                            const gchar* msg,
  65                                                            gboolean is_pulsating);
  66
  67 static gchar *progress_string (ModestMailOperationTypeOperation op_type, guint done, guint total);
  68
  69 #define XALIGN 0.5
  70 #define YALIGN 0.5
  71 #define XSPACE 1
  72 #define YSPACE 0
  73
  74 #define LOWER 0
  75 #define UPPER 150
  76
  77 #define MODEST_PROGRESS_BAR_PULSE_INTERVAL 125
  78
  79 /* list my signals  */
  80 /* enum { */
  81 /*      LAST_SIGNAL */
  82 /* }; */
  83
  84 typedef struct _ObservableData ObservableData;
  85 struct _ObservableData {
  86         guint signal_handler;
  87         ModestMailOperation *mail_op;
  88 };
  89
  90 typedef struct _ModestProgressBarPrivate ModestProgressBarPrivate;
  91 struct _ModestProgressBarPrivate {
  92         GSList              *observables;
  93         ModestMailOperation *current;
  94         guint count;
  95         GtkWidget *progress_bar;
  96         guint pulsating_timeout;
  97 };
  98 #define MODEST_PROGRESS_BAR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  99                                                  MODEST_TYPE_PROGRESS_BAR_WIDGET, \
 100                                                  ModestProgressBarPrivate))
 101
 102 /* globals */
 103 static GtkContainerClass *parent_class = NULL;
 104
 105 /* uncomment the following if you have defined any signals */
 106 /* static guint signals[LAST_SIGNAL] = {0}; */
 107
 108 static void
 109 modest_progress_object_init (gpointer g, gpointer iface_data)
 110 {
 111         ModestProgressObjectIface *klass = (ModestProgressObjectIface *)g;
 112
 113         klass->add_operation_func = modest_progress_bar_add_operation;
 114         klass->remove_operation_func = modest_progress_bar_remove_operation;
 115         klass->cancel_current_operation_func = modest_progress_bar_cancel_current_operation;
 116         klass->cancel_all_operations_func = modest_progress_bar_cancel_all_operations;
 117         klass->num_pending_operations_func = modest_progress_bar_num_pending_operations;
 118 }
 119
 120
 121 GType
 122 modest_progress_bar_get_type (void)
 123 {
 124         static GType my_type = 0;
 125         if (!my_type) {
 126                 static const GTypeInfo my_info = {
 127                         sizeof(ModestProgressBarClass),
 128                         NULL,           /* base init */
 129                         NULL,           /* base finalize */
 130                         (GClassInitFunc) modest_progress_bar_class_init,
 131                         NULL,           /* class finalize */
 132                         NULL,           /* class data */
 133                         sizeof(ModestProgressBar),
 134                         1,              /* n_preallocs */
 135                         (GInstanceInitFunc) modest_progress_bar_init,
 136                         NULL
 137                 };
 138
 139                 static const GInterfaceInfo modest_progress_object_info =
 140                 {
 141                   (GInterfaceInitFunc) modest_progress_object_init, /* interface_init */
 142                   NULL,         /* interface_finalize */
 143                   NULL          /* interface_data */
 144                 };
 145
 146                 my_type = g_type_register_static (GTK_TYPE_VBOX,
 147                                                   "ModestProgressBar",
 148                                                   &my_info, 0);
 149
 150                 g_type_add_interface_static (my_type, MODEST_TYPE_PROGRESS_OBJECT,
 151                                              &modest_progress_object_info);
 152         }
 153         return my_type;
 154 }
 155
 156 static void
 157 modest_progress_bar_class_init (ModestProgressBarClass *klass)
 158 {
 159         GObjectClass *gobject_class;
 160         gobject_class = (GObjectClass*) klass;
 161
 162         parent_class            = g_type_class_peek_parent (klass);
 163         gobject_class->finalize = modest_progress_bar_finalize;
 164
 165         g_type_class_add_private (gobject_class, sizeof(ModestProgressBarPrivate));
 166 }
 167
 168 static void
 169 modest_progress_bar_init (ModestProgressBar *self)
 170 {
 171
 172         ModestProgressBarPrivate *priv;
 173         GtkWidget *align = NULL;
 174         GtkRequisition req;
 175         GtkAdjustment *adj;
 176
 177         priv = MODEST_PROGRESS_BAR_GET_PRIVATE(self);
 178
 179         /* Alignment */
 180         align = gtk_alignment_new(XALIGN, YALIGN, XSPACE, YSPACE);
 181
 182         /* Build GtkProgressBar */
 183         adj = (GtkAdjustment *) gtk_adjustment_new (0, LOWER, UPPER, 0, 0, 0);
 184         priv->progress_bar = gtk_progress_bar_new ();
 185         g_object_set (priv->progress_bar, "adjustment", adj, NULL);
 186         req.width = 228;
 187         req.height = 64;
 188         gtk_progress_set_text_alignment (GTK_PROGRESS (priv->progress_bar), 0, 0.5);
 189         gtk_progress_bar_set_ellipsize (GTK_PROGRESS_BAR (priv->progress_bar), PANGO_ELLIPSIZE_END);
 190         gtk_progress_bar_set_pulse_step (GTK_PROGRESS_BAR (priv->progress_bar), 0.25);
 191         gtk_progress_bar_set_text (GTK_PROGRESS_BAR (priv->progress_bar), " ");
 192         gtk_widget_size_request (priv->progress_bar, &req);
 193         gtk_container_add (GTK_CONTAINER (align), priv->progress_bar);
 194         gtk_widget_size_request (align, &req);
 195
 196         /* Add progress bar widget */
 197         gtk_box_pack_start (GTK_BOX(self), align, TRUE, TRUE, 0);
 198         gtk_widget_show_all (GTK_WIDGET(self));
 199
 200         priv->pulsating_timeout = 0;
 201 }
 202
 203 static void
 204 modest_progress_bar_finalize (GObject *obj)
 205 {
 206         ModestProgressBarPrivate *priv;
 207
 208         priv = MODEST_PROGRESS_BAR_GET_PRIVATE(obj);
 209         if (priv->observables) {
 210                 GSList *tmp;
 211
 212                 for (tmp = priv->observables; tmp; tmp = g_slist_next (tmp)) {
 213                         ObservableData *ob_data = tmp->data;
 214                         g_signal_handler_disconnect (ob_data->mail_op, ob_data->signal_handler);
 215                         g_object_unref (ob_data->mail_op);
 216                         g_free (ob_data);
 217                 }
 218                 g_slist_free (priv->observables);
 219                 priv->observables = NULL;
 220         }
 221
 222         /* remove timeout */
 223         if (priv->pulsating_timeout != 0)
 224                 g_source_remove (priv->pulsating_timeout);
 225
 226         G_OBJECT_CLASS(parent_class)->finalize (obj);
 227 }
 228
 229
 230 static void
 231 modest_progress_bar_add_operation (ModestProgressObject *self,
 232                                    ModestMailOperation  *mail_op)
 233 {
 234         ModestProgressBar *me = NULL;
 235         ObservableData *data = NULL;
 236         ModestProgressBarPrivate *priv = NULL;
 237
 238         me = MODEST_PROGRESS_BAR (self);
 239         priv = MODEST_PROGRESS_BAR_GET_PRIVATE (me);
 240
 241         data = g_malloc0 (sizeof (ObservableData));
 242         data->mail_op = g_object_ref (mail_op);
 243         data->signal_handler = g_signal_connect (data->mail_op,
 244                                                  "progress-changed",
 245                                                  G_CALLBACK (on_progress_changed),
 246                                                  me);
 247         /* Set curent operation */
 248         if (priv->current == NULL) {
 249                 priv->current = mail_op;
 250
 251                 priv->count = 0;
 252
 253                 /* Call progress_change handler to initialize progress message */
 254 /*              modest_progress_bar_set_undetermined_progress (MODEST_PROGRESS_BAR(self), mail_op); */
 255         }
 256
 257         /* Add operation to obserbable objects list */
 258         priv->observables = g_slist_prepend (priv->observables, data);
 259 }
 260
 261 static gint
 262 compare_observable_data (ObservableData *data1, ObservableData *data2)
 263 {
 264         if (data1->mail_op == data2->mail_op)
 265                 return 0;
 266         else
 267                 return 1;
 268 }
 269
 270 static void
 271 modest_progress_bar_remove_operation (ModestProgressObject *self,
 272                                       ModestMailOperation  *mail_op)
 273 {
 274         ModestProgressBar *me;
 275         ModestProgressBarPrivate *priv;
 276         GSList *link;
 277         ObservableData *tmp_data = NULL;
 278         gboolean is_current;
 279
 280         me = MODEST_PROGRESS_BAR (self);
 281         priv = MODEST_PROGRESS_BAR_GET_PRIVATE (me);
 282
 283         is_current = (priv->current == mail_op);
 284
 285         /* Find item */
 286         tmp_data = g_malloc0 (sizeof (ObservableData));
 287         tmp_data->mail_op = mail_op;
 288         link = g_slist_find_custom (priv->observables,
 289                                     tmp_data,
 290                                     (GCompareFunc) compare_observable_data);
 291
 292         /* Remove the item */
 293         if (link) {
 294                 ObservableData *ob_data = link->data;
 295                 g_signal_handler_disconnect (ob_data->mail_op, ob_data->signal_handler);
 296                 g_object_unref (ob_data->mail_op);
 297                 g_free (ob_data);
 298                 priv->observables = g_slist_delete_link (priv->observables, link);
 299                 tmp_data->mail_op = NULL;
 300                 link = NULL;
 301         }
 302
 303         /* Update the current mail operation */
 304         if (is_current) {
 305                 if (priv->observables) {
 306                         gchar *msg;
 307                         priv->current = ((ObservableData *) priv->observables->data)->mail_op;
 308                         msg = progress_string (modest_mail_operation_get_type_operation (MODEST_MAIL_OPERATION (priv->current)), 0, 0);
 309                         modest_progress_bar_set_pulsating_mode (me, msg, TRUE);
 310                         g_free (msg);
 311                 } else {
 312                         priv->current = NULL;
 313                         modest_progress_bar_set_pulsating_mode (me, NULL, FALSE);
 314                         progressbar_clean (GTK_PROGRESS_BAR (priv->progress_bar));
 315                 }
 316
 317                 /* Refresh the view */
 318         }
 319
 320         /* free */
 321         g_free(tmp_data);
 322 }
 323
 324 static guint
 325 modest_progress_bar_num_pending_operations (ModestProgressObject *self)
 326 {
 327         ModestProgressBar *me;
 328         ModestProgressBarPrivate *priv;
 329
 330         me = MODEST_PROGRESS_BAR (self);
 331         priv = MODEST_PROGRESS_BAR_GET_PRIVATE (me);
 332
 333         return g_slist_length(priv->observables);
 334 }
 335
 336 static void
 337 modest_progress_bar_cancel_current_operation (ModestProgressObject *self)
 338 {
 339         ModestProgressBar *me;
 340         ModestProgressBarPrivate *priv;
 341
 342         me = MODEST_PROGRESS_BAR (self);
 343         priv = MODEST_PROGRESS_BAR_GET_PRIVATE (me);
 344
 345         if (priv->current == NULL) return;
 346
 347         modest_mail_operation_cancel (priv->current);
 348 }
 349
 350 static void
 351 modest_progress_bar_cancel_all_operations (ModestProgressObject *self)
 352 {
 353
 354         /* Cancel all the mail operations */
 355         modest_mail_operation_queue_cancel_all (modest_runtime_get_mail_operation_queue ());
 356 }
 357
 358 static gchar *
 359 progress_string (ModestMailOperationTypeOperation op_type, guint done, guint total)
 360 {
 361         gboolean determined = FALSE;
 362
 363         gchar *msg = NULL;
 364
 365         determined = (done > 0 && total > 1) &&
 366                 !(done == 1 && total == 100);
 367
 368         switch (op_type) {
 369         case MODEST_MAIL_OPERATION_TYPE_SEND_AND_RECEIVE:
 370         case MODEST_MAIL_OPERATION_TYPE_RECEIVE:
 371                 if (determined)
 372                         msg = g_strdup_printf(_("mcen_me_receiving"),
 373                                               done, total);
 374                 else
 375                         msg = g_strdup(_("mail_me_receiving"));
 376                 break;
 377         case MODEST_MAIL_OPERATION_TYPE_SEND:
 378                 if (determined)
 379                         msg = g_strdup_printf(_("mcen_me_sending"), done,
 380                                               total);
 381                 else
 382                         msg = g_strdup(_("mail_me_sending"));
 383                 break;
 384
 385         default:
 386                 msg = g_strdup("");
 387         }
 388
 389         return msg;
 390 }
 391
 392 static void
 393 on_progress_changed (ModestMailOperation  *mail_op,
 394                      ModestMailOperationState *state,
 395                      ModestProgressBar *self)
 396 {
 397         ModestProgressBarPrivate *priv;
 398
 399         priv = MODEST_PROGRESS_BAR_GET_PRIVATE (self);
 400
 401         /* If the mail operation is the currently shown one */
 402         if (priv->current == mail_op) {
 403                 gchar *msg = NULL;
 404
 405                 msg = progress_string (state->op_type, state->done, state->total);
 406
 407                 /* If we have byte information use it */
 408                 if ((state->bytes_done != 0) && (state->bytes_total != 0))
 409                         modest_progress_bar_set_progress (self, msg,
 410                                                                  state->bytes_done,
 411                                                                  state->bytes_total);
 412                 else if ((state->done == 0) && (state->total == 0))
 413                         modest_progress_bar_set_pulsating_mode (self, msg, TRUE);
 414                 else
 415                         modest_progress_bar_set_progress (self, msg,
 416                                                                  state->done,
 417                                                                  state->total);
 418                 g_free (msg);
 419         }
 420 }
 421
 422 static gboolean
 423 progressbar_clean (GtkProgressBar *bar)
 424 {
 425
 426         gtk_progress_bar_set_fraction (bar, 0);
 427         gtk_progress_bar_set_text (bar, " ");
 428
 429         return FALSE;
 430 }
 431
 432
 433 GtkWidget*
 434 modest_progress_bar_new ()
 435 {
 436         return GTK_WIDGET (g_object_new (MODEST_TYPE_PROGRESS_BAR_WIDGET, NULL));
 437 }
 438
 439
 440 void
 441 modest_progress_bar_set_progress (ModestProgressBar *self,
 442                                          const gchar *message,
 443                                          gint done,
 444                                          gint total)
 445 {
 446         ModestProgressBarPrivate *priv;
 447         gboolean determined = FALSE;
 448
 449         g_return_if_fail (MODEST_IS_PROGRESS_BAR_WIDGET(self));
 450         g_return_if_fail (done <= total);
 451
 452         priv = MODEST_PROGRESS_BAR_GET_PRIVATE (self);
 453
 454         priv->count++;
 455
 456         if (modest_progress_bar_is_pulsating (self))
 457                 modest_progress_bar_set_pulsating_mode (self, NULL, FALSE);
 458
 459         /* Set progress. Tinymail sometimes returns us 1/100 when it
 460            does not have any clue, NOTE that 1/100 could be also a
 461            valid progress (we will loose it), but it will be recovered
 462            once the done is greater than 1 */
 463         determined = (done > 0 && total > 1) &&
 464                 !(done == 1 && total == 100);
 465         if (!determined) {
 466                 gtk_progress_bar_pulse (GTK_PROGRESS_BAR (priv->progress_bar));
 467         } else {
 468                 gdouble percent = 0;
 469                 if (total != 0) /* Avoid division by zero. */
 470                         percent = (gdouble)done/(gdouble)total;
 471
 472                 gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (priv->progress_bar),
 473                                                percent);
 474         }
 475
 476         /* Set text */
 477         gtk_progress_bar_set_text (GTK_PROGRESS_BAR (priv->progress_bar),
 478                                    (message && message[0] != '\0')?message:" ");
 479 }
 480
 481
 482 void
 483 modest_progress_bar_set_undetermined_progress (ModestProgressBar *self,
 484                                                       ModestMailOperation *mail_op)
 485 {
 486         ModestMailOperationState *state = NULL;
 487
 488         state = g_malloc0(sizeof(ModestMailOperationState));
 489         state->done = 0;
 490         state->total = 0;
 491         state->op_type = modest_mail_operation_get_type_operation (mail_op);
 492         on_progress_changed (mail_op, state, self);
 493         g_free(state);
 494 }
 495
 496 /* this has to be explicitly removed */
 497 static gboolean
 498 do_pulse (gpointer data)
 499 {
 500         ModestProgressBarPrivate *priv;
 501
 502         g_return_val_if_fail (MODEST_IS_PROGRESS_BAR_WIDGET(data), FALSE);
 503
 504         priv = MODEST_PROGRESS_BAR_GET_PRIVATE (data);
 505         gtk_progress_bar_pulse (GTK_PROGRESS_BAR (priv->progress_bar));
 506         return TRUE;
 507 }
 508
 509 gboolean
 510 modest_progress_bar_is_pulsating (ModestProgressBar *self)
 511 {
 512         ModestProgressBarPrivate *priv;
 513
 514         g_return_val_if_fail (MODEST_IS_PROGRESS_BAR_WIDGET(self), FALSE);
 515
 516         priv = MODEST_PROGRESS_BAR_GET_PRIVATE (self);
 517
 518         return priv->pulsating_timeout != 0;
 519 }
 520
 521 void
 522 modest_progress_bar_set_pulsating_mode (ModestProgressBar *self,
 523                                                const gchar* msg,
 524                                                gboolean is_pulsating)
 525 {
 526         ModestProgressBarPrivate *priv;
 527
 528         g_return_if_fail (MODEST_IS_PROGRESS_BAR_WIDGET(self));
 529
 530         priv = MODEST_PROGRESS_BAR_GET_PRIVATE (self);
 531
 532         if (msg != NULL)
 533                 gtk_progress_bar_set_text (GTK_PROGRESS_BAR (priv->progress_bar), msg);
 534
 535         if (is_pulsating == (priv->pulsating_timeout != 0))
 536                 return;
 537         else if (is_pulsating && (priv->pulsating_timeout == 0)) {
 538                 /* enable */
 539                 priv->pulsating_timeout = g_timeout_add (MODEST_PROGRESS_BAR_PULSE_INTERVAL,
 540                                 do_pulse, self);
 541         } else if (!is_pulsating && (priv->pulsating_timeout != 0)) {
 542                 /* disable */
 543                 g_source_remove (priv->pulsating_timeout);
 544                 priv->pulsating_timeout = 0;
 545         }
 546 }