git.maemo.org Git - conv-inbox/blob - src/el-home-applet.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
   2 /*
   3  *  Copyright (C) 2009 Artem Garmash. All rights reserved.
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  * Contact: Artem Garmash <artemgarmash@gmail.com>
  20  *
  21  */
  22
  23 #include "config.h"
  24 #include "el-home-applet.h"
  25
  26 #include <hildon/hildon.h>
  27 #include <rtcom-eventlogger/eventlogger.h>
  28 #include <sqlite3.h>
  29 #include <string.h>
  30
  31 #define EL_HOME_APPLET_GET_PRIVATE(obj) ( \
  32         G_TYPE_INSTANCE_GET_PRIVATE (obj, \
  33                 EL_TYPE_HOME_APPLET, ELHomeAppletPrivate))
  34
  35 #define BOX_WIDTH 352
  36 #define BOX_HEIGHT 266
  37
  38 #define C_WIDTH (BOX_WIDTH - 2*HILDON_MARGIN_HALF)
  39 #define C_HEIGHT (BOX_HEIGHT - 2*HILDON_MARGIN_HALF)
  40 #define C_X HILDON_MARGIN_HALF
  41 #define C_Y HILDON_MARGIN_HALF
  42
  43 #define HEADER_HEIGHT 48
  44 #define MESSAGE_HEIGHT (C_HEIGHT - HEADER_HEIGHT)
  45 #define MESSAGE_WIDTH (C_WIDTH - 2*HILDON_MARGIN_DEFAULT)
  46
  47 #define BOX_RADIOUS 10
  48
  49 #define SCROLL_PERIOD 100 /* ms */
  50 #define SCROLL_STEP 1 /* pixel */
  51
  52 struct _ELHomeAppletPrivate
  53 {
  54         RTComEl *eventlogger;
  55
  56         GtkWidget *sender;
  57         GtkWidget *icon;
  58         GtkWidget *unread;
  59         GtkWidget *received;
  60         GtkWidget *empty;
  61         GtkWidget *cut_message;
  62
  63         gchar *message;
  64         gint event_id;
  65
  66         gboolean active;
  67
  68         guint unread_count;
  69
  70         struct {
  71                 float red;
  72                 float green;
  73                 float blue;
  74         } active_color;
  75         PangoFontDescription *font_desc;
  76
  77         guint idle_id;
  78
  79         cairo_surface_t *message_surface;
  80
  81         gboolean scroll_on_click;
  82         gint scroll_offset;
  83         gint hidden_message_height;
  84         guint scroll_anim_id;
  85 };
  86
  87 HD_DEFINE_PLUGIN_MODULE (ELHomeApplet, el_home_applet, HD_TYPE_HOME_PLUGIN_ITEM);
  88
  89 const gchar* g_module_check_init (GModule *module);
  90 const gchar*
  91 g_module_check_init (GModule *module)
  92 {
  93         g_module_make_resident (module);
  94         return NULL;
  95 }
  96
  97 static void
  98 el_home_applet_class_finalize (ELHomeAppletClass *klass)
  99 {
 100 }
 101
 102 static void
 103 el_home_applet_realize (GtkWidget *widget)
 104 {
 105         GdkScreen *screen;
 106
 107         screen = gtk_widget_get_screen (widget);
 108         gtk_widget_set_colormap (widget,
 109                                  gdk_screen_get_rgba_colormap (screen));
 110
 111         gtk_widget_set_app_paintable (widget,
 112                                       TRUE);
 113
 114         GTK_WIDGET_CLASS (el_home_applet_parent_class)->realize (widget);
 115 }
 116
 117 /*
 118  * Thanks http://cairographics.org/cookbook/roundedrectangles/
 119  */
 120 static void
 121 rounded_rectangle (cairo_t *cr,
 122                    double   x,
 123                    double   y,
 124                    double   w,
 125                    double   h,
 126                    double   r)
 127 {
 128         cairo_move_to (cr, x + r, y);
 129         cairo_line_to (cr, x + w - r, y);
 130         cairo_curve_to (cr, x + w, y,
 131                         x + w, y,
 132                         x + w, y + r);
 133         cairo_line_to (cr, x + w, y + h - r);
 134         cairo_curve_to (cr, x + w, y + h,
 135                         x + w, y + h,
 136                         x + w - r, y + h);
 137         cairo_line_to (cr, x + r, y + h);
 138         cairo_curve_to (cr, x, y + h,
 139                         x, y + h,
 140                         x, y + h - r);
 141         cairo_line_to (cr, x, y + r);
 142         cairo_curve_to (cr, x, y,
 143                         x, y,
 144                         x + r, y);
 145 }
 146
 147 static cairo_surface_t*
 148 draw_text (cairo_t              *cr,
 149            PangoFontDescription *desc,
 150            const gchar          *text,
 151            gint                  width,
 152            gint                 *height)
 153 {
 154         PangoLayout *layout;
 155         PangoRectangle extent;
 156
 157         cairo_surface_t *gdk_surface, *result_surface;
 158         cairo_t *msg_cr;
 159
 160         /* Create a PangoLayout, set the font and text */
 161         layout = pango_cairo_create_layout (cr);
 162         pango_layout_set_text (layout,
 163                                text,
 164                                -1);
 165         pango_layout_set_font_description (layout, desc);
 166
 167         pango_layout_set_wrap (layout, PANGO_WRAP_WORD_CHAR);
 168         pango_layout_set_width (layout, PANGO_SCALE*width);
 169
 170         pango_layout_get_pixel_extents (layout, NULL, &extent);
 171         *height = extent.height;
 172
 173         gdk_surface = cairo_get_target (cr);
 174         result_surface = cairo_surface_create_similar
 175                 (gdk_surface,
 176                  CAIRO_CONTENT_COLOR_ALPHA,
 177                  width,
 178                  extent.height);
 179         msg_cr = cairo_create (result_surface);
 180
 181         pango_cairo_update_layout (msg_cr, layout);
 182         /* draw shadow */
 183         cairo_move_to (msg_cr, 1, 1);
 184         cairo_set_source_rgba (msg_cr, 0.2, 0.2, 0.2, 0.8);
 185         pango_cairo_show_layout (msg_cr, layout);
 186
 187         /* draw fg */
 188         cairo_move_to (msg_cr, 0, 0);
 189         cairo_set_source_rgba (msg_cr, 1.0, 1.0, 1.0, 1.0);
 190         pango_cairo_show_layout (msg_cr, layout);
 191
 192         cairo_destroy (msg_cr);
 193         g_object_unref (layout);
 194
 195         return result_surface;
 196 }
 197
 198 static void
 199 stop_scroll_anim (ELHomeAppletPrivate *priv)
 200 {
 201         if (priv->scroll_anim_id > 0) {
 202                 g_source_remove (priv->scroll_anim_id);
 203                 priv->scroll_anim_id = 0;
 204                 priv->scroll_on_click = FALSE;
 205                 gtk_widget_hide (priv->cut_message);
 206         }
 207 }
 208
 209 static void
 210 style_set_cb (GtkWidget *widget,
 211               GtkStyle  *previous_style,
 212               ELHomeApplet *self)
 213 {
 214         ELHomeAppletPrivate *priv = self->priv;
 215         GdkColor color;
 216         GtkStyle *font_style;
 217
 218         font_style = gtk_rc_get_style_by_paths (gtk_widget_get_settings (widget),
 219                                                 "SystemFont",
 220                                                 NULL,
 221                                                 G_TYPE_NONE);
 222         if (font_style && font_style->font_desc) {
 223                 if (priv->font_desc)
 224                         pango_font_description_free (priv->font_desc);
 225                 priv->font_desc = pango_font_description_copy (font_style->font_desc);
 226         }
 227
 228         if (gtk_style_lookup_color (widget->style,
 229                                     "ActiveTextColor",
 230                                     &color)) {
 231                 priv->active_color.red = color.red/(float)G_MAXUINT16;
 232                 priv->active_color.green = color.green/(float)G_MAXUINT16;
 233                 priv->active_color.blue = color.blue/(float)G_MAXUINT16;
 234         }
 235 }
 236
 237 static void
 238 notify_on_current_desktop (GObject      *object,
 239                            GParamSpec   *unused G_GNUC_UNUSED,
 240                            ELHomeApplet *self)
 241 {
 242         ELHomeAppletPrivate *priv = self->priv;
 243         gboolean on;
 244
 245         g_object_get (object, "is-on-current-desktop", &on, NULL);
 246         if (!on) {
 247                 stop_scroll_anim (self->priv);
 248                 priv->scroll_on_click = priv->scroll_offset;
 249                 priv->scroll_offset = 0;
 250                 if (priv->scroll_on_click)
 251                         gtk_widget_show (priv->cut_message);
 252                 gtk_widget_queue_draw (GTK_WIDGET (self));
 253         }
 254 }
 255
 256 static gboolean
 257 expose_event (GtkWidget *self, GdkEventExpose *event)
 258 {
 259         ELHomeAppletPrivate *priv = EL_HOME_APPLET(self)->priv;
 260         cairo_t *cr;
 261         int message_height;
 262
 263         message_height = C_HEIGHT - priv->received->allocation.height - HEADER_HEIGHT;
 264
 265         cr = gdk_cairo_create (self->window);
 266         gdk_cairo_region (cr, event->region);
 267         cairo_clip (cr);
 268
 269         /* draw bound box */
 270         cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
 271
 272         cairo_set_source_rgba (cr, 0.4f, 0.4f, 0.4f, 0.1f);
 273         cairo_set_line_width (cr, 3.0f);
 274
 275         rounded_rectangle (cr,
 276                            C_X,
 277                            C_Y,
 278                            BOX_WIDTH - 2*C_X,
 279                            BOX_HEIGHT - 2*C_Y,
 280                            BOX_RADIOUS);
 281
 282         cairo_close_path (cr);
 283         cairo_stroke (cr);
 284
 285         /* draw header */
 286         cairo_set_line_width (cr, 1.0f);
 287
 288         cairo_translate (cr, C_X, C_Y);
 289         cairo_move_to (cr, 0, HEADER_HEIGHT);
 290         cairo_line_to (cr, 0, BOX_RADIOUS);
 291         cairo_curve_to (cr, 0, 0, 0, 0, BOX_RADIOUS, 0);
 292         cairo_line_to (cr, C_WIDTH - BOX_RADIOUS, 0);
 293         cairo_curve_to (cr, C_WIDTH, 0, C_WIDTH, 0, C_WIDTH, BOX_RADIOUS);
 294         cairo_line_to (cr, C_WIDTH, HEADER_HEIGHT);
 295         cairo_line_to (cr, 0, HEADER_HEIGHT);
 296
 297         cairo_close_path (cr);
 298
 299         cairo_set_source_rgba (cr, 0.2f, 0.2f, 0.2f, 0.8f);
 300         cairo_fill_preserve (cr);
 301         cairo_set_source_rgba (cr,
 302                                priv->active_color.red,
 303                                priv->active_color.green,
 304                                priv->active_color.blue,
 305                                1.0f);
 306         cairo_stroke (cr);
 307
 308         /* draw body */
 309         cairo_move_to (cr, 0, HEADER_HEIGHT);
 310         cairo_line_to (cr, 0, C_HEIGHT - BOX_RADIOUS);
 311         cairo_curve_to (cr, 0, C_HEIGHT, 0, C_HEIGHT, BOX_RADIOUS, C_HEIGHT);
 312         cairo_line_to (cr, C_WIDTH - BOX_RADIOUS, C_HEIGHT);
 313         cairo_curve_to (cr, C_WIDTH, C_HEIGHT, C_WIDTH, C_HEIGHT, C_WIDTH, C_HEIGHT - BOX_RADIOUS);
 314         cairo_line_to (cr, C_WIDTH, HEADER_HEIGHT);
 315         cairo_line_to (cr, 0, HEADER_HEIGHT);
 316         cairo_close_path (cr);
 317
 318         /* draw body filling depending on (in)active state */
 319         cairo_pattern_t *grad;
 320         grad = cairo_pattern_create_linear (0, HEADER_HEIGHT,
 321                                             0, C_HEIGHT);
 322
 323         if (priv->active) {
 324                 cairo_pattern_add_color_stop_rgba (grad,
 325                                                    0.5f,
 326                                                    priv->active_color.red,
 327                                                    priv->active_color.green,
 328                                                    priv->active_color.blue,
 329                                                    0.8f);
 330                 cairo_pattern_add_color_stop_rgba (grad,
 331                                                    1.0f,
 332                                                    priv->active_color.red/2,
 333                                                    priv->active_color.green/2,
 334                                                    priv->active_color.blue/2,
 335                                                    0.8f);
 336         }
 337         else {
 338                 cairo_pattern_add_color_stop_rgba (grad, 0.5f,
 339                                                    0.4f, 0.4f, 0.4f, 0.8f);
 340                 cairo_pattern_add_color_stop_rgba (grad, 1.0f,
 341                                                    0.2f, 0.2f, 0.2f, 0.8f);
 342         }
 343         cairo_set_source (cr, grad);
 344         cairo_fill (cr);
 345
 346         /* cairo_set_source_rgba (cr, red, green, blue, 1.0f); */
 347         /* cairo_translate (cr, -C_X, -C_Y); */
 348         /* rounded_rectangle (cr, */
 349         /*                    C_X, */
 350         /*                    C_Y, */
 351         /*                    BOX_WIDTH - 2*C_X, */
 352         /*                    BOX_HEIGHT - 2*C_Y, */
 353         /*                    BOX_RADIOUS); */
 354         /* cairo_close_path (cr); */
 355         /* cairo_stroke (cr); */
 356
 357         /* draw message */
 358         if (!priv->message_surface) {
 359                 gint height;
 360
 361                 priv->message_surface = draw_text (cr,
 362                                                    priv->font_desc,
 363                                                    priv->message,
 364                                                    MESSAGE_WIDTH,
 365                                                    &height);
 366
 367                 priv->hidden_message_height = height - message_height;
 368                 priv->scroll_on_click = priv->hidden_message_height > 0;
 369                 if (priv->scroll_on_click)
 370                         gtk_widget_show (priv->cut_message);
 371         }
 372
 373         cairo_rectangle (cr,
 374                          2*C_X,
 375                          HEADER_HEIGHT,
 376                          MESSAGE_WIDTH,
 377                          message_height);
 378         cairo_clip (cr);
 379
 380         cairo_set_source_surface (cr,
 381                                   priv->message_surface,
 382                                   2*C_X,
 383                                   HEADER_HEIGHT - priv->scroll_offset);
 384         cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
 385         cairo_paint (cr);
 386
 387         cairo_pattern_destroy (grad);
 388         cairo_destroy (cr);
 389
 390         return GTK_WIDGET_CLASS (el_home_applet_parent_class)->expose_event (self, event);
 391 }
 392
 393 static void
 394 dispose (GObject *self)
 395 {
 396         ELHomeAppletPrivate *priv = EL_HOME_APPLET(self)->priv;
 397
 398         stop_scroll_anim (priv);
 399         if (priv->idle_id) {
 400                 g_source_remove (priv->idle_id);
 401                 priv->idle_id = 0;
 402         }
 403         if (priv->eventlogger) {
 404                 g_object_unref (priv->eventlogger);
 405                 priv->eventlogger = NULL;
 406         }
 407
 408         if (priv->message) {
 409                 g_free (priv->message);
 410                 priv->message = NULL;
 411         }
 412         if (priv->font_desc) {
 413                 pango_font_description_free (priv->font_desc);
 414                 priv->font_desc = NULL;
 415         }
 416
 417         G_OBJECT_CLASS (el_home_applet_parent_class)->dispose (self);
 418 }
 419
 420 static void
 421 finalize (GObject *self)
 422 {
 423         G_OBJECT_CLASS (el_home_applet_parent_class)->finalize (self);
 424 }
 425
 426 static gchar*
 427 format_time (time_t t)
 428 {
 429         static const guint RESULT_SIZE = 32;
 430
 431         time_t now;
 432         struct tm now_tm, t_tm;
 433         const gchar *format = "%Y.%m.%d %T";
 434         gchar *result = g_malloc0 (RESULT_SIZE);
 435
 436         now = time (NULL);
 437         localtime_r (&now, &now_tm);
 438         localtime_r (&t, &t_tm);
 439
 440         if ((now_tm.tm_year == t_tm.tm_year) &&
 441             (now_tm.tm_mon  == t_tm.tm_mon) &&
 442             (now_tm.tm_mday == t_tm.tm_mday))
 443                 format = "%T";
 444
 445         strftime (result, RESULT_SIZE, format, &t_tm);
 446
 447         return result;
 448 }
 449
 450 static void
 451 show_event (ELHomeApplet *self, RTComElIter *it)
 452 {
 453         ELHomeAppletPrivate *priv = self->priv;
 454
 455         gchar *remote = NULL;
 456         gchar *received = NULL;
 457         const gchar *icon_name = NULL;
 458
 459         if (priv->message) {
 460                 g_free (priv->message);
 461                 priv->message = NULL;
 462         }
 463
 464         if (it && rtcom_el_iter_first (it)) {
 465                 rtcom_el_iter_dup_string (it, "free-text", &priv->message);
 466                 if (priv->message) {
 467                         const gchar *service;
 468                         time_t received_t;
 469
 470                         rtcom_el_iter_get_int (it, "id", &priv->event_id);
 471                         if (rtcom_el_iter_get_int (it, "start-time", (gint*)&received_t))
 472                                 received = format_time (received_t);
 473
 474                         if (!rtcom_el_iter_dup_string (it, "remote-name", &remote))
 475                                 rtcom_el_iter_dup_string (it, "remote-id", &remote);
 476                         service = rtcom_el_iter_get_service (it);
 477                         if (!g_strcmp0 (service, "RTCOM_EL_SERVICE_SMS"))
 478                                 icon_name = "chat_unread_sms";
 479                         else if (!g_strcmp0 (service, "RTCOM_EL_SERVICE_CHAT"))
 480                                 icon_name = "chat_unread_chat";
 481                 }
 482         }
 483         else {
 484                 priv->event_id = -1;
 485         }
 486
 487         if (priv->message)
 488                 gtk_widget_hide (priv->empty);
 489         else
 490                 gtk_widget_show (priv->empty);
 491
 492         gtk_label_set_text (GTK_LABEL (priv->sender), remote);
 493         gtk_label_set_text (GTK_LABEL (priv->received), received);
 494
 495         if (icon_name) {
 496                 const gchar *current_icon_name;
 497                 gtk_image_get_icon_name (GTK_IMAGE (priv->icon),
 498                                          &current_icon_name,
 499                                          NULL);
 500                 if (g_strcmp0 (current_icon_name, icon_name))
 501                         gtk_image_set_from_icon_name (GTK_IMAGE (priv->icon),
 502                                                       icon_name,
 503                                                       HILDON_ICON_SIZE_FINGER);
 504                 gtk_widget_show (priv->icon);
 505         }
 506         else
 507                 gtk_widget_hide (priv->icon);
 508
 509         g_free (remote);
 510
 511         stop_scroll_anim (priv);
 512         priv->scroll_offset = 0;
 513         if (priv->message_surface) {
 514                 cairo_surface_destroy (priv->message_surface);
 515                 priv->message_surface = NULL;
 516         }
 517
 518         gtk_widget_hide (priv->cut_message);
 519         gtk_widget_queue_draw (GTK_WIDGET (self));
 520 }
 521
 522 static RTComElIter*
 523 make_query (RTComEl *el, gint event_id)
 524 {
 525         RTComElQuery *query = NULL;
 526         RTComElIter *it = NULL;
 527
 528         static const gchar *services[] = {"RTCOM_EL_SERVICE_SMS",
 529                                           "RTCOM_EL_SERVICE_CHAT",
 530                                           NULL};
 531         static const gchar *event_types[] = {"RTCOM_EL_EVENTTYPE_SMS_INBOUND",
 532                                              "RTCOM_EL_EVENTTYPE_CHAT_INBOUND",
 533                                              NULL};
 534
 535         query = rtcom_el_query_new (el);
 536         rtcom_el_query_set_limit (query, 1);
 537         if (event_id >= 0) {
 538                 rtcom_el_query_prepare (query,
 539                                         "is-read", FALSE, RTCOM_EL_OP_EQUAL,
 540                                         "id", event_id, RTCOM_EL_OP_EQUAL,
 541                                         "service", services, RTCOM_EL_OP_IN_STRV,
 542                                         "event-type", event_types, RTCOM_EL_OP_IN_STRV,
 543                                         NULL);
 544         }
 545         else {
 546                 rtcom_el_query_prepare (query,
 547                                         "is-read", FALSE, RTCOM_EL_OP_EQUAL,
 548                                         "service", services, RTCOM_EL_OP_IN_STRV,
 549                                         "event-type", event_types, RTCOM_EL_OP_IN_STRV,
 550                                         NULL);
 551         }
 552         it = rtcom_el_get_events (el, query);
 553         g_object_unref (query);
 554
 555         return it;
 556 }
 557
 558 static void
 559 update_unread_label (ELHomeApplet *self)
 560 {
 561         ELHomeAppletPrivate *priv = self->priv;
 562         gchar *text;
 563
 564         if (priv->unread_count > 0) {
 565                 text = g_strdup_printf ("%d", priv->unread_count);
 566                 gtk_label_set_text (GTK_LABEL (priv->unread), text);
 567                 g_free (text);
 568         }
 569         else
 570                 gtk_label_set_text (GTK_LABEL (priv->unread), NULL);
 571 }
 572
 573 static gint
 574 query_unread_events (RTComEl *el)
 575 {
 576         sqlite3 *db;
 577         sqlite3_stmt *stmt;
 578         int ret;
 579         gint count = 0;
 580
 581         g_object_get (el, "db", &db, NULL);
 582
 583         if (sqlite3_prepare_v2 (db,
 584                                 "SELECT SUM(total_events)-SUM(read_events) FROM GroupCache;",
 585                                 -1,
 586                                 &stmt,
 587                                 NULL) != SQLITE_OK) {
 588                 g_error ("%s: can't compile SQL", G_STRFUNC);
 589                 return -1;
 590         }
 591
 592         while (SQLITE_BUSY == (ret = sqlite3_step (stmt)));
 593
 594         if (ret == SQLITE_ROW) {
 595                 count = sqlite3_column_int (stmt, 0);
 596         }
 597         else {
 598                 g_error ("%s: error while executing SQL", G_STRFUNC);
 599         }
 600
 601         sqlite3_finalize (stmt);
 602
 603         return count;
 604 }
 605
 606 static void
 607 read_event (ELHomeApplet *self)
 608 {
 609         ELHomeAppletPrivate *priv = self->priv;
 610         RTComElIter *it = NULL;
 611
 612         it = make_query (priv->eventlogger, -1);
 613         show_event (self, it);
 614         if (it) g_object_unref (it);
 615 }
 616
 617 static void
 618 mark_as_read (ELHomeApplet *self)
 619 {
 620         ELHomeAppletPrivate *priv = self->priv;
 621
 622         if (priv->event_id >= 0) {
 623                 rtcom_el_set_read_event (priv->eventlogger,
 624                                          priv->event_id,
 625                                          TRUE,
 626                                          NULL);
 627                 read_event (self);
 628                 priv->unread_count--;
 629                 update_unread_label (self);
 630         }
 631 }
 632
 633 static gboolean
 634 read_new_event (ELHomeApplet *self)
 635 {
 636         ELHomeAppletPrivate *priv = self->priv;
 637
 638         read_event (self);
 639         priv->unread_count = query_unread_events (priv->eventlogger);
 640         update_unread_label (self);
 641
 642         priv->idle_id = 0;
 643
 644         return FALSE;
 645 }
 646
 647 static void
 648 add_new_idle (ELHomeApplet *self)
 649 {
 650         ELHomeAppletPrivate *priv = self->priv;
 651
 652         if (priv->idle_id)
 653                 g_source_remove (priv->idle_id);
 654         priv->idle_id = g_idle_add ((GSourceFunc)read_new_event,
 655                                     self);
 656 }
 657
 658 static void
 659 new_event_cb (RTComEl      *backend,
 660               gint          event_id,
 661               const gchar  *local_uid,
 662               const gchar  *remote_uid,
 663               const gchar  *remote_ebook_uid,
 664               const gchar  *group_uid,
 665               const gchar  *service,
 666               ELHomeApplet *self)
 667 {
 668         add_new_idle (self);
 669 }
 670
 671 static gboolean
 672 scroll_anim_cb (ELHomeApplet *self)
 673 {
 674         ELHomeAppletPrivate *priv = self->priv;
 675         gboolean to_continue;
 676
 677         priv->scroll_offset += SCROLL_STEP;
 678         gtk_widget_queue_draw_area (GTK_WIDGET (self),
 679                                     3*C_X,
 680                                     HEADER_HEIGHT + C_Y,
 681                                     MESSAGE_WIDTH,
 682                                     C_HEIGHT - priv->received->allocation.height - HEADER_HEIGHT);
 683
 684         to_continue = priv->scroll_offset <= priv->hidden_message_height;
 685         if (!to_continue) {
 686                 priv->scroll_anim_id = 0;
 687                 gtk_widget_hide (priv->cut_message);
 688         }
 689
 690         return to_continue;
 691 }
 692
 693 static gboolean
 694 button_press_event_cb (GtkWidget      *widget,
 695                        GdkEventButton *event,
 696                        ELHomeApplet   *self)
 697 {
 698         ELHomeAppletPrivate *priv = self->priv;
 699
 700         if (priv->event_id > 0) {
 701                 priv->active = TRUE;
 702                 gtk_widget_queue_draw (widget);
 703         }
 704
 705         return TRUE;
 706 }
 707
 708 static gboolean
 709 button_release_event_cb (GtkWidget      *widget,
 710                          GdkEventButton *event,
 711                          ELHomeApplet   *self)
 712 {
 713         ELHomeAppletPrivate *priv = self->priv;
 714
 715         if (priv->active) {
 716                 priv->active = FALSE;
 717                 stop_scroll_anim (priv);
 718                 if (priv->scroll_on_click) {
 719                         priv->scroll_on_click = FALSE;
 720                         priv->scroll_anim_id = g_timeout_add (SCROLL_PERIOD,
 721                                                               (GSourceFunc)scroll_anim_cb,
 722                                                               self);
 723                 }
 724                 else {
 725 #ifndef DEBUG_LAYOUT
 726                         mark_as_read (self);
 727 #endif
 728                 }
 729
 730                 gtk_widget_queue_draw (widget);
 731         }
 732
 733         return TRUE;
 734 }
 735
 736 static gboolean
 737 leave_notify_event_cb (GtkWidget        *widget,
 738                        GdkEventCrossing *event,
 739                        ELHomeApplet     *self)
 740 {
 741         ELHomeAppletPrivate *priv = self->priv;
 742
 743         if (priv->active) {
 744                 priv->active = FALSE;
 745                 stop_scroll_anim (priv);
 746                 gtk_widget_queue_draw (widget);
 747         }
 748
 749         return FALSE;
 750 }
 751
 752 static void
 753 el_home_applet_init (ELHomeApplet *self)
 754 {
 755         ELHomeAppletPrivate *priv;
 756         GtkWidget *event_box;
 757         GtkWidget *hbox, *vbox, *align, *footer;
 758
 759         self->priv = EL_HOME_APPLET_GET_PRIVATE (self);
 760         priv = self->priv;
 761
 762         gtk_widget_set_app_paintable (GTK_WIDGET (self), TRUE);
 763
 764         priv->unread = gtk_label_new ("12");
 765         hildon_helper_set_logical_color (priv->unread,
 766                                          GTK_RC_FG,
 767                                          GTK_STATE_NORMAL,
 768                                          "ActiveTextColor");
 769         gtk_misc_set_alignment (GTK_MISC (priv->unread),
 770                                 1.0f,
 771                                 0.5f);
 772         gtk_widget_set_size_request (priv->unread,
 773                                      -1,
 774                                      HEADER_HEIGHT);
 775
 776         priv->icon = gtk_image_new_from_icon_name ("chat_unread_sms",
 777                                                    HILDON_ICON_SIZE_FINGER);
 778         gtk_misc_set_alignment (GTK_MISC (priv->icon),
 779                                 0.5f,
 780                                 0.5f);
 781
 782         priv->sender = gtk_label_new ("asdf asdf asdf asdf asdf");
 783         gtk_misc_set_alignment (GTK_MISC (priv->sender),
 784                                 0.5f,
 785                                 0.5f);
 786         gtk_label_set_ellipsize (GTK_LABEL (priv->sender),
 787                                  PANGO_ELLIPSIZE_END);
 788         gtk_widget_set_name (priv->sender, "hildon-shadow-label");
 789         hildon_helper_set_logical_font (priv->sender, "SystemFont");
 790
 791         priv->message = g_strdup ("One two three four five six seven eight nine ten");
 792
 793         /* TODO: l10n */
 794         priv->empty = gtk_label_new ("No new messages");
 795         gtk_widget_set_name (priv->empty, "hildon-shadow-label");
 796         GTK_WIDGET_SET_FLAGS (priv->empty, GTK_NO_SHOW_ALL);
 797
 798         priv->received = gtk_label_new ("aewf aewf aewf awef");
 799         gtk_misc_set_alignment (GTK_MISC (priv->received),
 800                                 1.0f,
 801                                 0.5f);
 802         hildon_helper_set_logical_font (priv->received, "SmallSystemFont");
 803         gtk_widget_set_name (priv->received, "hildon-shadow-label");
 804
 805
 806         priv->cut_message = gtk_label_new ("...");
 807         gtk_misc_set_alignment (GTK_MISC (priv->cut_message),
 808                                 0.5f,
 809                                 0.0f);
 810         hildon_helper_set_logical_font (priv->cut_message, "SmallSystemFont");
 811         gtk_widget_set_name (priv->cut_message, "hildon-shadow-label");
 812         GTK_WIDGET_SET_FLAGS (priv->cut_message, GTK_NO_SHOW_ALL);
 813
 814         hbox = gtk_hbox_new (FALSE, 0);
 815         gtk_box_pack_start (GTK_BOX (hbox), priv->unread, FALSE, FALSE, 0);
 816         gtk_box_pack_start (GTK_BOX (hbox), priv->icon, FALSE, FALSE, 0);
 817         gtk_box_pack_start (GTK_BOX (hbox), priv->sender, TRUE, TRUE, 0);
 818
 819         footer = gtk_hbox_new (FALSE, 0);
 820         gtk_box_pack_start (GTK_BOX (footer), priv->cut_message, TRUE, TRUE, 0);
 821         gtk_box_pack_end (GTK_BOX (footer), priv->received, FALSE, FALSE, 0);
 822
 823         vbox = gtk_vbox_new (FALSE, 0);
 824         gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
 825         gtk_box_pack_start (GTK_BOX (vbox), priv->empty, TRUE, TRUE, 0);
 826         gtk_box_pack_end (GTK_BOX (vbox), footer, FALSE, FALSE, 0);
 827
 828         align = gtk_alignment_new (0.5f, 0.0f, 1.0f, 1.0f);
 829         gtk_alignment_set_padding (GTK_ALIGNMENT (align),
 830                                    0, 0, HILDON_MARGIN_DEFAULT, HILDON_MARGIN_DEFAULT);
 831
 832         gtk_container_set_border_width (GTK_CONTAINER (vbox), HILDON_MARGIN_HALF);
 833
 834         event_box = gtk_event_box_new ();
 835         gtk_event_box_set_visible_window (GTK_EVENT_BOX (event_box), FALSE);
 836         gtk_widget_set_size_request (event_box, BOX_WIDTH, BOX_HEIGHT);
 837
 838         gtk_container_add (GTK_CONTAINER (align), vbox);
 839         gtk_container_add (GTK_CONTAINER (event_box), align);
 840         gtk_container_add (GTK_CONTAINER (self), event_box);
 841
 842         g_signal_connect (event_box,
 843                           "button-press-event",
 844                           G_CALLBACK (button_press_event_cb),
 845                           self);
 846         g_signal_connect (event_box,
 847                           "button-release-event",
 848                           G_CALLBACK (button_release_event_cb),
 849                           self);
 850         g_signal_connect (event_box,
 851                           "leave-notify-event",
 852                           G_CALLBACK (leave_notify_event_cb),
 853                           self);
 854
 855         g_signal_connect (event_box,
 856                           "style-set",
 857                           G_CALLBACK (style_set_cb),
 858                           self);
 859         g_signal_connect (self,
 860                           "notify::is-on-current-desktop",
 861                           G_CALLBACK (notify_on_current_desktop),
 862                           self);
 863
 864         gtk_widget_show_all (GTK_WIDGET (event_box));
 865
 866 #ifndef DEBUG_LAYOUT
 867         priv->eventlogger = rtcom_el_new ();
 868         g_signal_connect (priv->eventlogger,
 869                           "new-event",
 870                           G_CALLBACK (new_event_cb),
 871                           self);
 872         g_signal_connect (priv->eventlogger,
 873                           "event-updated",
 874                           G_CALLBACK (new_event_cb),
 875                           self);
 876
 877         read_new_event (self);
 878 #endif
 879 }
 880
 881 static void
 882 el_home_applet_class_init (ELHomeAppletClass *klass)
 883 {
 884         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 885         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 886
 887         object_class->dispose = dispose;
 888         object_class->finalize = finalize;
 889         widget_class->expose_event = expose_event;
 890         widget_class->realize = el_home_applet_realize;
 891
 892         g_type_class_add_private (klass, sizeof (ELHomeAppletPrivate));
 893 }
 894