Add an EmpathyCallWindowFullscreen class

1 files changed, 309 insertions, 0 deletions

diff --git a/src/empathy-call-window-fullscreen.c b/src/empathy-call-window-fullscreen.c
new file mode 100644
index 000000000..1b993458b
--- /dev/null
+++ b/src/empathy-call-window-fullscreen.c
@@ -0,0 +1,309 @@
+/*
+ * empathy-call-window-fullscreen.c - Source for EmpathyCallWindowFullscreen
+ * Copyright (C) 2009-2011 Collabora Ltd.
+ *
+ * Some code is based on the Totem Movie Player, especially
+ * totem-fullscreen.c which has the following copyright:
+ * Copyright (C) 2001-2007 Bastien Nocera <hadess@hadess.net>
+ * Copyright (C) 2007 Sunil Mohan Adapa <sunilmohan@gnu.org.in>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "empathy-call-window-fullscreen.h"
+
+#include <gtk/gtk.h>
+
+#include <libempathy/empathy-utils.h>
+#include <libempathy-gtk/empathy-ui-utils.h>
+
+/* The number of seconds for which the "leave fullscreen" popup should
+   be shown */
+#define FULLSCREEN_POPUP_TIMEOUT 5
+
+G_DEFINE_TYPE (EmpathyCallWindowFullscreen, empathy_call_window_fullscreen,
+    G_TYPE_OBJECT)
+
+/* private structure */
+typedef struct _EmpathyCallWindowFullscreenPriv
+    EmpathyCallWindowFullscreenPriv;
+
+struct _EmpathyCallWindowFullscreenPriv
+{
+  EmpathyCallWindow *parent_window;
+
+  GtkWidget *leave_fullscreen_popup;
+  GtkWidget *video_widget;
+
+  guint popup_timeout;
+  gboolean popup_creation_in_progress;
+  gboolean dispose_has_run;
+};
+
+#define GET_PRIV(o) \
+  (G_TYPE_INSTANCE_GET_PRIVATE ((o), EMPATHY_TYPE_CALL_WINDOW_FULLSCREEN, \
+    EmpathyCallWindowFullscreenPriv))
+
+static void empathy_call_window_fullscreen_dispose (GObject *object);
+static void empathy_call_window_fullscreen_finalize (GObject *object);
+
+static gboolean empathy_call_window_fullscreen_hide_popup (
+    EmpathyCallWindowFullscreen *fs);
+
+static void
+empathy_call_window_fullscreen_set_cursor_visible (
+    EmpathyCallWindowFullscreen *fs,
+    gboolean show_cursor)
+{
+  EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (fs);
+  GdkWindow *window;
+
+  if (priv->video_widget == NULL)
+    return;
+
+  window = gtk_widget_get_window (priv->video_widget);
+
+  if (!show_cursor)
+    gdk_window_set_cursor (window, gdk_cursor_new (GDK_BLANK_CURSOR));
+  else
+    gdk_window_set_cursor (window, NULL);
+}
+
+static void
+empathy_call_window_fullscreen_add_popup_timeout (
+    EmpathyCallWindowFullscreen *self)
+{
+  EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
+
+  if (priv->popup_timeout == 0)
+    {
+      priv->popup_timeout = g_timeout_add_seconds (FULLSCREEN_POPUP_TIMEOUT,
+          (GSourceFunc) empathy_call_window_fullscreen_hide_popup, self);
+    }
+}
+
+static void
+empathy_call_window_fullscreen_remove_popup_timeout (
+    EmpathyCallWindowFullscreen *self)
+{
+  EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
+
+  if (priv->popup_timeout != 0)
+    {
+      g_source_remove (priv->popup_timeout);
+      priv->popup_timeout = 0;
+    }
+}
+
+void
+empathy_call_window_fullscreen_show_popup (EmpathyCallWindowFullscreen *self)
+{
+  gint leave_fullscreen_width, leave_fullscreen_height;
+  GdkScreen *screen;
+  GdkRectangle fullscreen_rect;
+  EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
+
+  g_assert (self->is_fullscreen);
+
+  g_return_if_fail (priv->parent_window != NULL);
+
+  if (priv->popup_creation_in_progress)
+    return;
+
+  if (!gtk_window_is_active (GTK_WINDOW (priv->parent_window)))
+    return;
+
+  priv->popup_creation_in_progress = TRUE;
+
+  empathy_call_window_fullscreen_set_cursor_visible (self, TRUE);
+
+  /* Obtaining the screen rectangle */
+  screen = gtk_window_get_screen (GTK_WINDOW (priv->parent_window));
+  gdk_screen_get_monitor_geometry (screen,
+      gdk_screen_get_monitor_at_window (screen,
+          gtk_widget_get_window (GTK_WIDGET (priv->parent_window))),
+      &fullscreen_rect);
+
+  /* Getting the popup window sizes */
+  gtk_window_get_size (GTK_WINDOW (priv->leave_fullscreen_popup),
+      &leave_fullscreen_width, &leave_fullscreen_height);
+
+  /* Moving the popup to the top-right corner (if the direction is LTR) or the
+     top-left corner (if the direction is RTL).*/
+  if (gtk_widget_get_direction (priv->leave_fullscreen_popup)
+        == GTK_TEXT_DIR_LTR)
+    {
+      gtk_window_move (GTK_WINDOW (priv->leave_fullscreen_popup),
+          fullscreen_rect.width + fullscreen_rect.x - leave_fullscreen_width,
+          fullscreen_rect.y);
+
+    }
+  else
+    {
+      gtk_window_move (GTK_WINDOW (priv->leave_fullscreen_popup),
+          fullscreen_rect.x, fullscreen_rect.y);
+    }
+
+  gtk_widget_show_all (priv->leave_fullscreen_popup);
+  empathy_call_window_fullscreen_add_popup_timeout (self);
+
+  priv->popup_creation_in_progress = FALSE;
+}
+
+static gboolean
+empathy_call_window_fullscreen_hide_popup (EmpathyCallWindowFullscreen *fs)
+{
+  EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (fs);
+
+  if (priv->video_widget == NULL || !fs->is_fullscreen)
+    return TRUE;
+
+  gtk_widget_hide (priv->leave_fullscreen_popup);
+  empathy_call_window_fullscreen_remove_popup_timeout (fs);
+
+  empathy_call_window_fullscreen_set_cursor_visible (fs, FALSE);
+
+  return FALSE;
+}
+
+static void
+empathy_call_window_fullscreen_init (EmpathyCallWindowFullscreen *self)
+{
+  EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
+  GtkBuilder *gui;
+  gchar *filename;
+
+  filename = empathy_file_lookup ("empathy-call-window-fullscreen.ui", "src");
+  gui = empathy_builder_get_file (filename,
+    "leave_fullscreen_window", &priv->leave_fullscreen_popup,
+    "leave_fullscreen_button", &self->leave_fullscreen_button,
+    NULL);
+
+  gtk_widget_add_events (priv->leave_fullscreen_popup, GDK_POINTER_MOTION_MASK);
+
+  g_object_unref (gui);
+  g_free (filename);
+}
+
+static void
+empathy_call_window_fullscreen_class_init (
+    EmpathyCallWindowFullscreenClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  g_type_class_add_private (klass, sizeof (EmpathyCallWindowFullscreenPriv));
+
+  object_class->dispose = empathy_call_window_fullscreen_dispose;
+  object_class->finalize = empathy_call_window_fullscreen_finalize;
+}
+
+void
+empathy_call_window_fullscreen_dispose (GObject *object)
+{
+  EmpathyCallWindowFullscreen *self = EMPATHY_CALL_WINDOW_FULLSCREEN (object);
+  EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
+
+  if (priv->dispose_has_run)
+    return;
+
+  priv->dispose_has_run = TRUE;
+
+  if (priv->leave_fullscreen_popup != NULL)
+    gtk_widget_destroy (priv->leave_fullscreen_popup);
+  priv->leave_fullscreen_popup = NULL;
+
+  if (G_OBJECT_CLASS (empathy_call_window_fullscreen_parent_class)->dispose)
+    {
+      G_OBJECT_CLASS (
+          empathy_call_window_fullscreen_parent_class)->dispose (object);
+    }
+}
+
+void
+empathy_call_window_fullscreen_finalize (GObject *object)
+{
+  EmpathyCallWindowFullscreen *self = EMPATHY_CALL_WINDOW_FULLSCREEN (object);
+
+  empathy_call_window_fullscreen_remove_popup_timeout (self);
+
+  G_OBJECT_CLASS (
+      empathy_call_window_fullscreen_parent_class)->finalize (object);
+}
+
+static void
+empathy_call_window_fullscreen_parent_window_notify (GtkWidget *parent_window,
+    GParamSpec *property, EmpathyCallWindowFullscreen *fs)
+{
+  EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (fs);
+
+  if (!fs->is_fullscreen)
+    return;
+
+  if (parent_window == GTK_WIDGET (priv->parent_window) &&
+        !gtk_window_is_active (GTK_WINDOW (parent_window)))
+    {
+      empathy_call_window_fullscreen_hide_popup (fs);
+      empathy_call_window_fullscreen_set_cursor_visible (fs, TRUE);
+    }
+}
+
+EmpathyCallWindowFullscreen *
+empathy_call_window_fullscreen_new (EmpathyCallWindow *parent_window)
+{
+  EmpathyCallWindowFullscreen *self = EMPATHY_CALL_WINDOW_FULLSCREEN (
+    g_object_new (EMPATHY_TYPE_CALL_WINDOW_FULLSCREEN, NULL));
+  EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
+
+  priv->parent_window = parent_window;
+  g_signal_connect (G_OBJECT (priv->parent_window), "notify::is-active",
+    G_CALLBACK (empathy_call_window_fullscreen_parent_window_notify), self);
+
+  return self;
+}
+
+void
+empathy_call_window_fullscreen_set_fullscreen (EmpathyCallWindowFullscreen *fs,
+  gboolean set_fullscreen)
+{
+
+  if (set_fullscreen)
+      empathy_call_window_fullscreen_remove_popup_timeout (fs);
+  else
+      empathy_call_window_fullscreen_hide_popup (fs);
+
+  empathy_call_window_fullscreen_set_cursor_visible (fs, !set_fullscreen);
+  fs->is_fullscreen = set_fullscreen;
+}
+
+static void
+video_widget_destroy_cb (GtkWidget *widget,
+    EmpathyCallWindowFullscreen *self)
+{
+  EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (self);
+
+  priv->video_widget = NULL;
+}
+
+void
+empathy_call_window_fullscreen_set_video_widget (
+    EmpathyCallWindowFullscreen *fs,
+    GtkWidget *video_widget)
+{
+  EmpathyCallWindowFullscreenPriv *priv = GET_PRIV (fs);
+  priv->video_widget = video_widget;
+
+  tp_g_signal_connect_object (video_widget, "destroy",
+      G_CALLBACK (video_widget_destroy_cb), fs, 0);
+}