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