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