src/empathy-call-window-fullscreen.c

   1 /*
   2  * empathy-call-window-fullscreen.c - Source for EmpathyCallWindowFullscreen
   3  * Copyright (C) 2009-2011 Collabora Ltd.
   4  *
   5  * Some code is based on the Totem Movie Player, especially
   6  * totem-fullscreen.c which has the following copyright:
   7  * Copyright (C) 2001-2007 Bastien Nocera <hadess@hadess.net>
   8  * Copyright (C) 2007 Sunil Mohan Adapa <sunilmohan@gnu.org.in>
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  23  */
  24
  25 #include "config.h"
  26 #include "empathy-call-window-fullscreen.h"
  27
  28 #include <tp-account-widgets/tpaw-builder.h>
  29
  30 #include "empathy-ui-utils.h"
  31 #include "empathy-utils.h"
  32
  33 /* The number of seconds for which the "leave fullscreen" popup should
  34    be shown */
  35 #define FULLSCREEN_POPUP_TIMEOUT 5
  36
  37 G_DEFINE_TYPE (EmpathyCallWindowFullscreen, empathy_call_window_fullscreen,
  38     G_TYPE_OBJECT)
  39
  40 /* private structure */
  41 typedef struct _EmpathyCallWindowFullscreenPriv
  42     EmpathyCallWindowFullscreenPriv;
  43
  44 struct _EmpathyCallWindowFullscreenPriv
  45 {
  46   EmpathyCallWindow *parent_window;
  47
  48   GtkWidget *leave_fullscreen_popup;
  49   GtkWidget *video_widget;
  50
  51   guint popup_timeout;
  52   gboolean popup_creation_in_progress;
  53   gboolean dispose_has_run;
  54 };
  55
  56 #define GET_PRIV(o) \
  57   (G_TYPE_INSTANCE_GET_PRIVATE ((o), EMPATHY_TYPE_CALL_WINDOW_FULLSCREEN, \
  58     EmpathyCallWindowFullscreenPriv))
  59
  60 static void empathy_call_window_fullscreen_dispose (GObject *object);
  61 static void empathy_call_window_fullscreen_finalize (GObject *object);
  62
  63 static gboolean empathy_call_window_fullscreen_hide_popup (
  64     EmpathyCallWindowFullscreen *fs);
  65
  66 static void
  67 empathy_call_window_fullscreen_set_cursor_visible (
  68     EmpathyCallWindowFullscreen *fs,
  69     gboolean show_cursor)
  70 {
  71   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (fs);
  72   GdkWindow *window;
  73
  74   if (priv->video_widget == NULL)
  75     return;
  76
  77   window = gtk_widget_get_window (priv->video_widget);
  78
  79   if (!show_cursor)
  80     gdk_window_set_cursor (window, gdk_cursor_new (GDK_BLANK_CURSOR));
  81   else
  82     gdk_window_set_cursor (window, NULL);
  83 }
  84
  85 static void
  86 empathy_call_window_fullscreen_add_popup_timeout (
  87     EmpathyCallWindowFullscreen *self)
  88 {
  89   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
  90
  91   if (priv->popup_timeout == 0)
  92     {
  93       priv->popup_timeout = g_timeout_add_seconds (FULLSCREEN_POPUP_TIMEOUT,
  94           (GSourceFunc) empathy_call_window_fullscreen_hide_popup, self);
  95     }
  96 }
  97
  98 static void
  99 empathy_call_window_fullscreen_remove_popup_timeout (
 100     EmpathyCallWindowFullscreen *self)
 101 {
 102   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
 103
 104   if (priv->popup_timeout != 0)
 105     {
 106       g_source_remove (priv->popup_timeout);
 107       priv->popup_timeout = 0;
 108     }
 109 }
 110
 111 void
 112 empathy_call_window_fullscreen_show_popup (EmpathyCallWindowFullscreen *self)
 113 {
 114   gint leave_fullscreen_width, leave_fullscreen_height;
 115   GdkScreen *screen;
 116   GdkRectangle fullscreen_rect;
 117   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
 118
 119   g_assert (self->is_fullscreen);
 120
 121   g_return_if_fail (priv->parent_window != NULL);
 122
 123   if (priv->popup_creation_in_progress)
 124     return;
 125
 126   if (!gtk_window_is_active (GTK_WINDOW (priv->parent_window)))
 127     return;
 128
 129   priv->popup_creation_in_progress = TRUE;
 130
 131   empathy_call_window_fullscreen_set_cursor_visible (self, TRUE);
 132
 133   /* Obtaining the screen rectangle */
 134   screen = gtk_window_get_screen (GTK_WINDOW (priv->parent_window));
 135   gdk_screen_get_monitor_geometry (screen,
 136       gdk_screen_get_monitor_at_window (screen,
 137           gtk_widget_get_window (GTK_WIDGET (priv->parent_window))),
 138       &fullscreen_rect);
 139
 140   /* Getting the popup window sizes */
 141   gtk_window_get_size (GTK_WINDOW (priv->leave_fullscreen_popup),
 142       &leave_fullscreen_width, &leave_fullscreen_height);
 143
 144   /* Moving the popup to the top-right corner (if the direction is LTR) or the
 145      top-left corner (if the direction is RTL).*/
 146   if (gtk_widget_get_direction (priv->leave_fullscreen_popup)
 147         == GTK_TEXT_DIR_LTR)
 148     {
 149       gtk_window_move (GTK_WINDOW (priv->leave_fullscreen_popup),
 150           fullscreen_rect.width + fullscreen_rect.x - leave_fullscreen_width,
 151           fullscreen_rect.y);
 152
 153     }
 154   else
 155     {
 156       gtk_window_move (GTK_WINDOW (priv->leave_fullscreen_popup),
 157           fullscreen_rect.x, fullscreen_rect.y);
 158     }
 159
 160   gtk_widget_show_all (priv->leave_fullscreen_popup);
 161   empathy_call_window_fullscreen_add_popup_timeout (self);
 162
 163   priv->popup_creation_in_progress = FALSE;
 164 }
 165
 166 static gboolean
 167 empathy_call_window_fullscreen_hide_popup (EmpathyCallWindowFullscreen *fs)
 168 {
 169   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (fs);
 170
 171   if (priv->video_widget == NULL || !fs->is_fullscreen)
 172     return TRUE;
 173
 174   gtk_widget_hide (priv->leave_fullscreen_popup);
 175   empathy_call_window_fullscreen_remove_popup_timeout (fs);
 176
 177   empathy_call_window_fullscreen_set_cursor_visible (fs, FALSE);
 178
 179   return FALSE;
 180 }
 181
 182 static void
 183 empathy_call_window_fullscreen_init (EmpathyCallWindowFullscreen *self)
 184 {
 185   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
 186   GtkBuilder *gui;
 187   gchar *filename;
 188
 189   filename = empathy_file_lookup ("empathy-call-window-fullscreen.ui", "src");
 190   gui = tpaw_builder_get_file (filename,
 191     "leave_fullscreen_window", &priv->leave_fullscreen_popup,
 192     "leave_fullscreen_button", &self->leave_fullscreen_button,
 193     NULL);
 194
 195   gtk_widget_add_events (priv->leave_fullscreen_popup, GDK_POINTER_MOTION_MASK);
 196
 197   g_object_unref (gui);
 198   g_free (filename);
 199 }
 200
 201 static void
 202 empathy_call_window_fullscreen_class_init (
 203     EmpathyCallWindowFullscreenClass *klass)
 204 {
 205   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 206
 207   g_type_class_add_private (klass, sizeof (EmpathyCallWindowFullscreenPriv));
 208
 209   object_class->dispose = empathy_call_window_fullscreen_dispose;
 210   object_class->finalize = empathy_call_window_fullscreen_finalize;
 211 }
 212
 213 void
 214 empathy_call_window_fullscreen_dispose (GObject *object)
 215 {
 216   EmpathyCallWindowFullscreen *self = EMPATHY_CALL_WINDOW_FULLSCREEN (object);
 217   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
 218
 219   if (priv->dispose_has_run)
 220     return;
 221
 222   priv->dispose_has_run = TRUE;
 223
 224   if (priv->leave_fullscreen_popup != NULL)
 225     gtk_widget_destroy (priv->leave_fullscreen_popup);
 226   priv->leave_fullscreen_popup = NULL;
 227
 228   if (G_OBJECT_CLASS (empathy_call_window_fullscreen_parent_class)->dispose)
 229     {
 230       G_OBJECT_CLASS (
 231           empathy_call_window_fullscreen_parent_class)->dispose (object);
 232     }
 233 }
 234
 235 void
 236 empathy_call_window_fullscreen_finalize (GObject *object)
 237 {
 238   EmpathyCallWindowFullscreen *self = EMPATHY_CALL_WINDOW_FULLSCREEN (object);
 239
 240   empathy_call_window_fullscreen_remove_popup_timeout (self);
 241
 242   G_OBJECT_CLASS (
 243       empathy_call_window_fullscreen_parent_class)->finalize (object);
 244 }
 245
 246 static void
 247 empathy_call_window_fullscreen_parent_window_notify (GtkWidget *parent_window,
 248     GParamSpec *property, EmpathyCallWindowFullscreen *fs)
 249 {
 250   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (fs);
 251
 252   if (!fs->is_fullscreen)
 253     return;
 254
 255   if (parent_window == GTK_WIDGET (priv->parent_window) &&
 256         !gtk_window_is_active (GTK_WINDOW (parent_window)))
 257     {
 258       empathy_call_window_fullscreen_hide_popup (fs);
 259       empathy_call_window_fullscreen_set_cursor_visible (fs, TRUE);
 260     }
 261 }
 262
 263 EmpathyCallWindowFullscreen *
 264 empathy_call_window_fullscreen_new (EmpathyCallWindow *parent_window)
 265 {
 266   EmpathyCallWindowFullscreen *self = EMPATHY_CALL_WINDOW_FULLSCREEN (
 267     g_object_new (EMPATHY_TYPE_CALL_WINDOW_FULLSCREEN, NULL));
 268   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
 269
 270   priv->parent_window = parent_window;
 271   g_signal_connect (G_OBJECT (priv->parent_window), "notify::is-active",
 272     G_CALLBACK (empathy_call_window_fullscreen_parent_window_notify), self);
 273
 274   return self;
 275 }
 276
 277 void
 278 empathy_call_window_fullscreen_set_fullscreen (EmpathyCallWindowFullscreen *fs,
 279   gboolean set_fullscreen)
 280 {
 281
 282   if (set_fullscreen)
 283       empathy_call_window_fullscreen_remove_popup_timeout (fs);
 284   else
 285       empathy_call_window_fullscreen_hide_popup (fs);
 286
 287   empathy_call_window_fullscreen_set_cursor_visible (fs, !set_fullscreen);
 288   fs->is_fullscreen = set_fullscreen;
 289 }
 290
 291 static void
 292 video_widget_destroy_cb (GtkWidget *widget,
 293     EmpathyCallWindowFullscreen *self)
 294 {
 295   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
 296
 297   priv->video_widget = NULL;
 298 }
 299
 300 void
 301 empathy_call_window_fullscreen_set_video_widget (
 302     EmpathyCallWindowFullscreen *fs,
 303     GtkWidget *video_widget)
 304 {
 305   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (fs);
 306   priv->video_widget = video_widget;
 307
 308   tp_g_signal_connect_object (video_widget, "destroy",
 309       G_CALLBACK (video_widget_destroy_cb), fs, 0);
 310 }