src/empathy-call-window-fullscreen.c

   1 /*
   2  * empathy-call-window-fullscreen.c - Source for EmpathyCallWindowFullscreen
   3  * Copyright (C) 2009 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 "empathy-call-window-fullscreen.h"
  26
  27 #include <gtk/gtk.h>
  28
  29 #include <libempathy/empathy-utils.h>
  30 #include <libempathy-gtk/empathy-ui-utils.h>
  31
  32 /* The number of seconds for which the "leave fullscreen" popup should
  33    be shown */
  34 #define FULLSCREEN_POPUP_TIMEOUT 5
  35
  36 G_DEFINE_TYPE (EmpathyCallWindowFullscreen, empathy_call_window_fullscreen,
  37     G_TYPE_OBJECT)
  38
  39 /* private structure */
  40 typedef struct _EmpathyCallWindowFullscreenPriv
  41     EmpathyCallWindowFullscreenPriv;
  42
  43 struct _EmpathyCallWindowFullscreenPriv
  44 {
  45   EmpathyCallWindow *parent_window;
  46
  47   GtkWidget *leave_fullscreen_popup;
  48   GtkWidget *video_widget;
  49
  50   guint popup_timeout;
  51   gboolean popup_creation_in_progress;
  52   gboolean dispose_has_run;
  53 };
  54
  55 #define GET_PRIV(o) \
  56   (G_TYPE_INSTANCE_GET_PRIVATE ((o), EMPATHY_TYPE_CALL_WINDOW_FULLSCREEN, \
  57     EmpathyCallWindowFullscreenPriv))
  58
  59 static void empathy_call_window_fullscreen_dispose (GObject *object);
  60 static void empathy_call_window_fullscreen_finalize (GObject *object);
  61
  62 static gboolean empathy_call_window_fullscreen_hide_popup (
  63     EmpathyCallWindowFullscreen *fs);
  64
  65 static void
  66 empathy_call_window_fullscreen_set_cursor_visible (
  67     EmpathyCallWindowFullscreen *fs,
  68     gboolean show_cursor)
  69 {
  70   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (fs);
  71   GdkWindow *window;
  72
  73   if (priv->video_widget == NULL)
  74     return;
  75
  76   window = gtk_widget_get_window (priv->video_widget);
  77
  78   if (!show_cursor)
  79     gdk_window_set_cursor (window, gdk_cursor_new (GDK_BLANK_CURSOR));
  80   else
  81     gdk_window_set_cursor (window, NULL);
  82 }
  83
  84 static void
  85 empathy_call_window_fullscreen_add_popup_timeout (
  86     EmpathyCallWindowFullscreen *self)
  87 {
  88   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
  89
  90   if (priv->popup_timeout == 0)
  91     {
  92       priv->popup_timeout = g_timeout_add_seconds (FULLSCREEN_POPUP_TIMEOUT,
  93           (GSourceFunc) empathy_call_window_fullscreen_hide_popup, self);
  94     }
  95 }
  96
  97 static void
  98 empathy_call_window_fullscreen_remove_popup_timeout (
  99     EmpathyCallWindowFullscreen *self)
 100 {
 101   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
 102
 103   if (priv->popup_timeout != 0)
 104     {
 105       g_source_remove (priv->popup_timeout);
 106       priv->popup_timeout = 0;
 107     }
 108 }
 109
 110 void
 111 empathy_call_window_fullscreen_show_popup (EmpathyCallWindowFullscreen *self)
 112 {
 113   gint leave_fullscreen_width, leave_fullscreen_height;
 114   GdkScreen *screen;
 115   GdkRectangle fullscreen_rect;
 116   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
 117
 118   g_assert (self->is_fullscreen);
 119
 120   g_return_if_fail (priv->parent_window != NULL);
 121
 122   if (priv->popup_creation_in_progress)
 123     return;
 124
 125   if (!gtk_window_is_active (GTK_WINDOW (priv->parent_window)))
 126     return;
 127
 128   priv->popup_creation_in_progress = TRUE;
 129
 130   empathy_call_window_fullscreen_set_cursor_visible (self, TRUE);
 131
 132   /* Obtaining the screen rectangle */
 133   screen = gtk_window_get_screen (GTK_WINDOW (priv->parent_window));
 134   gdk_screen_get_monitor_geometry (screen,
 135       gdk_screen_get_monitor_at_window (screen,
 136           gtk_widget_get_window (GTK_WIDGET (priv->parent_window))),
 137       &fullscreen_rect);
 138
 139   /* Getting the popup window sizes */
 140   gtk_window_get_size (GTK_WINDOW (priv->leave_fullscreen_popup),
 141       &leave_fullscreen_width, &leave_fullscreen_height);
 142
 143   /* Moving the popup to the top-right corner (if the direction is LTR) or the
 144      top-left corner (if the direction is RTL).*/
 145   if (gtk_widget_get_direction (priv->leave_fullscreen_popup)
 146         == GTK_TEXT_DIR_LTR)
 147     {
 148       gtk_window_move (GTK_WINDOW (priv->leave_fullscreen_popup),
 149           fullscreen_rect.width + fullscreen_rect.x - leave_fullscreen_width,
 150           fullscreen_rect.y);
 151
 152     }
 153   else
 154     {
 155       gtk_window_move (GTK_WINDOW (priv->leave_fullscreen_popup),
 156           fullscreen_rect.x, fullscreen_rect.y);
 157     }
 158
 159   gtk_widget_show_all (priv->leave_fullscreen_popup);
 160   empathy_call_window_fullscreen_add_popup_timeout (self);
 161
 162   priv->popup_creation_in_progress = FALSE;
 163 }
 164
 165 static gboolean
 166 empathy_call_window_fullscreen_hide_popup (EmpathyCallWindowFullscreen *fs)
 167 {
 168   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (fs);
 169
 170   if (priv->video_widget == NULL || !fs->is_fullscreen)
 171     return TRUE;
 172
 173   gtk_widget_hide (priv->leave_fullscreen_popup);
 174   empathy_call_window_fullscreen_remove_popup_timeout (fs);
 175
 176   empathy_call_window_fullscreen_set_cursor_visible (fs, FALSE);
 177
 178   return FALSE;
 179 }
 180
 181 static void
 182 empathy_call_window_fullscreen_init (EmpathyCallWindowFullscreen *self)
 183 {
 184   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
 185   GtkBuilder *gui;
 186   gchar *filename;
 187
 188   filename = empathy_file_lookup ("empathy-call-window-fullscreen.ui", "src");
 189   gui = empathy_builder_get_file (filename,
 190     "leave_fullscreen_window", &priv->leave_fullscreen_popup,
 191     "leave_fullscreen_button", &self->leave_fullscreen_button,
 192     NULL);
 193
 194   gtk_widget_add_events (priv->leave_fullscreen_popup, GDK_POINTER_MOTION_MASK);
 195
 196   g_object_unref (gui);
 197   g_free (filename);
 198 }
 199
 200 static void
 201 empathy_call_window_fullscreen_class_init (
 202     EmpathyCallWindowFullscreenClass *klass)
 203 {
 204   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 205
 206   g_type_class_add_private (klass, sizeof (EmpathyCallWindowFullscreenPriv));
 207
 208   object_class->dispose = empathy_call_window_fullscreen_dispose;
 209   object_class->finalize = empathy_call_window_fullscreen_finalize;
 210 }
 211
 212 void
 213 empathy_call_window_fullscreen_dispose (GObject *object)
 214 {
 215   EmpathyCallWindowFullscreen *self = EMPATHY_CALL_WINDOW_FULLSCREEN (object);
 216   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
 217
 218   if (priv->dispose_has_run)
 219     return;
 220
 221   priv->dispose_has_run = TRUE;
 222
 223   if (priv->leave_fullscreen_popup != NULL)
 224     gtk_widget_destroy (priv->leave_fullscreen_popup);
 225   priv->leave_fullscreen_popup = NULL;
 226
 227   if (G_OBJECT_CLASS (empathy_call_window_fullscreen_parent_class)->dispose)
 228     {
 229       G_OBJECT_CLASS (
 230           empathy_call_window_fullscreen_parent_class)->dispose (object);
 231     }
 232 }
 233
 234 void
 235 empathy_call_window_fullscreen_finalize (GObject *object)
 236 {
 237   EmpathyCallWindowFullscreen *self = EMPATHY_CALL_WINDOW_FULLSCREEN (object);
 238
 239   empathy_call_window_fullscreen_remove_popup_timeout (self);
 240
 241   G_OBJECT_CLASS (
 242       empathy_call_window_fullscreen_parent_class)->finalize (object);
 243 }
 244
 245 static void
 246 empathy_call_window_fullscreen_parent_window_notify (GtkWidget *parent_window,
 247     GParamSpec *property, EmpathyCallWindowFullscreen *fs)
 248 {
 249   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (fs);
 250
 251   if (!fs->is_fullscreen)
 252     return;
 253
 254   if (parent_window == GTK_WIDGET (priv->parent_window) &&
 255         !gtk_window_is_active (GTK_WINDOW (parent_window)))
 256     {
 257       empathy_call_window_fullscreen_hide_popup (fs);
 258       empathy_call_window_fullscreen_set_cursor_visible (fs, TRUE);
 259     }
 260 }
 261
 262 EmpathyCallWindowFullscreen *
 263 empathy_call_window_fullscreen_new (EmpathyCallWindow *parent_window)
 264 {
 265   EmpathyCallWindowFullscreen *self = EMPATHY_CALL_WINDOW_FULLSCREEN (
 266     g_object_new (EMPATHY_TYPE_CALL_WINDOW_FULLSCREEN, NULL));
 267   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
 268
 269   priv->parent_window = parent_window;
 270   g_signal_connect (G_OBJECT (priv->parent_window), "notify::is-active",
 271     G_CALLBACK (empathy_call_window_fullscreen_parent_window_notify), self);
 272
 273   return self;
 274 }
 275
 276 void
 277 empathy_call_window_fullscreen_set_fullscreen (EmpathyCallWindowFullscreen *fs,
 278   gboolean set_fullscreen)
 279 {
 280
 281   if (set_fullscreen)
 282       empathy_call_window_fullscreen_remove_popup_timeout (fs);
 283   else
 284       empathy_call_window_fullscreen_hide_popup (fs);
 285
 286   empathy_call_window_fullscreen_set_cursor_visible (fs, !set_fullscreen);
 287   fs->is_fullscreen = set_fullscreen;
 288 }
 289
 290 static void
 291 video_widget_destroy_cb (GtkWidget *widget,
 292     EmpathyCallWindowFullscreen *self)
 293 {
 294   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
 295
 296   priv->video_widget = NULL;
 297 }
 298
 299 void
 300 empathy_call_window_fullscreen_set_video_widget (
 301     EmpathyCallWindowFullscreen *fs,
 302     GtkWidget *video_widget)
 303 {
 304   EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (fs);
 305   priv->video_widget = video_widget;
 306
 307   tp_g_signal_connect_object (video_widget, "destroy",
 308       G_CALLBACK (video_widget_destroy_cb), fs, 0);
 309 }