Add Tab/Tab picker under clutter.

1 files changed, 1901 insertions, 0 deletions

diff --git a/mail/e-mail-tab.c b/mail/e-mail-tab.c
new file mode 100644
index 0000000000..125f174775
--- /dev/null
+++ b/mail/e-mail-tab.c
@@ -0,0 +1,1901 @@
+/*
+ * Borrowed from Moblin-Web-Browser: The web browser for Moblin
+ * Copyright (c) 2009, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU Lesser General Public License,
+ * version 2.1, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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 program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <math.h>
+#include <string.h>
+#include <gtk/gtk.h>
+#include "e-mail-tab.h"
+
+#define E_MAIL_PIXBOUND(u) ((gfloat)((gint)(u)))
+
+static void mx_draggable_iface_init (MxDraggableIface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (EMailTab,
+                         e_mail_tab,
+                         MX_TYPE_WIDGET,
+                         G_IMPLEMENT_INTERFACE (MX_TYPE_DRAGGABLE,
+                                                mx_draggable_iface_init))
+
+#define TAB_PRIVATE(o) \
+  (G_TYPE_INSTANCE_GET_PRIVATE ((o), E_MAIL_TYPE_TAB, EMailTabPrivate))
+
+enum
+{
+  PROP_0,
+
+  PROP_ICON,
+  PROP_TEXT,
+  PROP_CAN_CLOSE,
+  PROP_TAB_WIDTH,
+  PROP_DOCKING,
+  PROP_PREVIEW,
+  PROP_PREVIEW_MODE,
+  PROP_PREVIEW_DURATION,
+  PROP_SPACING,
+  PROP_PRIVATE,
+  PROP_ACTIVE,
+
+  PROP_DRAG_THRESHOLD,
+  PROP_DRAG_AXIS,
+ // PROP_DRAG_CONTAINMENT_TYPE,
+  PROP_DRAG_CONTAINMENT_AREA,
+  PROP_DRAG_ENABLED,
+  PROP_DRAG_ACTOR,
+};
+
+enum
+{
+  CLICKED,
+  CLOSED,
+  TRANSITION_COMPLETE,
+
+  LAST_SIGNAL
+};
+
+/* Animation stage lengths */
+#define TAB_S1_ANIM 0.75
+#define TAB_S2_ANIM (1.0-TAB_S1_ANIM)
+
+static guint signals[LAST_SIGNAL] = { 0, };
+
+static void e_mail_tab_close_clicked_cb (MxButton *button, EMailTab *self);
+
+struct _EMailTabPrivate
+{
+  ClutterActor *icon;
+  ClutterActor *default_icon;
+  ClutterActor *label;
+  ClutterActor *close_button;
+  gboolean      can_close;
+  gint          width;
+  gboolean      docking;
+  gfloat        spacing;
+  gboolean      private;
+  guint         alert_count;
+  guint         alert_source;
+  gboolean      has_text;
+
+  guint         active : 1;
+  guint         pressed : 1;
+  guint         hover : 1;
+
+  ClutterActor    *preview;
+  gboolean         preview_mode;
+  ClutterTimeline *preview_timeline;
+  gdouble          preview_height_progress;
+  guint            anim_length;
+
+  ClutterActor    *old_bg;
+
+  ClutterActor        *drag_actor;
+  ClutterActorBox      drag_area;
+  gboolean             drag_enabled;
+  MxDragAxis           drag_axis;
+ // MxDragContainment    containment;
+  gint                 drag_threshold;
+  gulong               drag_threshold_handler;
+  gfloat               press_x;
+  gfloat               press_y;
+  gboolean             in_drag;
+};
+
+static void
+e_mail_tab_drag_begin (MxDraggable         *draggable,
+                    gfloat               event_x,
+                    gfloat               event_y,
+                    gint                 event_button,
+                    ClutterModifierType  modifiers)
+{
+  gfloat x, y;
+
+  EMailTabPrivate *priv = E_MAIL_TAB (draggable)->priv;
+  ClutterActor *self = CLUTTER_ACTOR (draggable);
+  ClutterActor *actor = mx_draggable_get_drag_actor (draggable);
+  ClutterActor *stage = clutter_actor_get_stage (self);
+
+  priv->in_drag = TRUE;
+
+  clutter_actor_get_transformed_position (self, &x, &y);
+  clutter_actor_set_position (actor, x, y);
+
+  /* Start up animation */
+  if (CLUTTER_IS_TEXTURE (actor))
+    {
+      /* TODO: Some neat deformation effect? */
+    }
+  else
+    {
+      /* Fade in */
+      clutter_actor_set_opacity (actor, 0x00);
+      clutter_actor_animate (actor, CLUTTER_LINEAR, 150,
+                             "opacity", 0xff,
+                             NULL);
+    }
+  clutter_container_add_actor (CLUTTER_CONTAINER (stage), actor);
+}
+
+static void
+e_mail_tab_drag_motion (MxDraggable *draggable,
+                     gfloat         delta_x,
+                     gfloat         delta_y)
+{
+  ClutterActor *actor = mx_draggable_get_drag_actor (draggable);
+  clutter_actor_move_by (actor, delta_x, delta_y);
+}
+
+static void
+e_mail_tab_drag_end_anim_cb (ClutterAnimation *animation,
+                          EMailTab           *tab)
+{
+  ClutterActor *actor =
+    CLUTTER_ACTOR (clutter_animation_get_object (animation));
+  ClutterActor *parent = clutter_actor_get_parent (actor);
+
+  if (parent)
+    clutter_container_remove_actor (CLUTTER_CONTAINER (parent), actor);
+}
+
+static void
+e_mail_tab_drag_end (MxDraggable *draggable,
+                  gfloat       event_x,
+                  gfloat       event_y)
+{
+  EMailTab *self = E_MAIL_TAB (draggable);
+  EMailTabPrivate *priv = self->priv;
+
+  priv->in_drag = FALSE;
+
+  if (priv->drag_actor)
+    {
+      ClutterActor *parent = clutter_actor_get_parent (priv->drag_actor);
+      if (parent)
+        {
+          /* Animate drop */
+          if (CLUTTER_IS_TEXTURE (priv->drag_actor))
+            {
+              /* TODO: Some neat deformation effect? */
+              clutter_container_remove_actor (CLUTTER_CONTAINER (parent),
+                                              priv->drag_actor);
+            }
+          else
+            {
+              clutter_actor_animate (priv->drag_actor, CLUTTER_LINEAR, 150,
+                                     "opacity", 0x00,
+                                     "signal::completed",
+                                       G_CALLBACK (e_mail_tab_drag_end_anim_cb),
+                                       self,
+                                     NULL);
+            }
+        }
+      g_object_unref (priv->drag_actor);
+      priv->drag_actor = NULL;
+    }
+}
+
+static void
+mx_draggable_iface_init (MxDraggableIface *iface)
+{
+  iface->drag_begin = e_mail_tab_drag_begin;
+  iface->drag_motion = e_mail_tab_drag_motion;
+  iface->drag_end = e_mail_tab_drag_end;
+}
+
+static void
+e_mail_tab_get_property (GObject *object, guint property_id,
+                      GValue *value, GParamSpec *pspec)
+{
+  EMailTab *tab = E_MAIL_TAB (object);
+  EMailTabPrivate *priv = tab->priv;
+
+  switch (property_id)
+    {
+    case PROP_ICON:
+      g_value_set_object (value, e_mail_tab_get_icon (tab));
+      break;
+
+    case PROP_TEXT:
+      g_value_set_string (value, e_mail_tab_get_text (tab));
+      break;
+
+    case PROP_CAN_CLOSE:
+      g_value_set_boolean (value, e_mail_tab_get_can_close (tab));
+      break;
+
+    case PROP_TAB_WIDTH:
+      g_value_set_int (value, e_mail_tab_get_width (tab));
+      break;
+
+    case PROP_DOCKING:
+      g_value_set_boolean (value, e_mail_tab_get_docking (tab));
+      break;
+
+    case PROP_PREVIEW:
+      g_value_set_object (value, e_mail_tab_get_preview_actor (tab));
+      break;
+
+    case PROP_PREVIEW_MODE:
+      g_value_set_boolean (value, e_mail_tab_get_preview_mode (tab));
+      break;
+
+    case PROP_PREVIEW_DURATION:
+      g_value_set_uint (value, e_mail_tab_get_preview_duration (tab));
+      break;
+
+    case PROP_SPACING:
+      g_value_set_float (value, e_mail_tab_get_spacing (tab));
+      break;
+
+    case PROP_PRIVATE:
+      g_value_set_boolean (value, e_mail_tab_get_private (tab));
+      break;
+
+    case PROP_ACTIVE:
+      g_value_set_boolean (value, e_mail_tab_get_active (tab));
+      break;
+
+    case PROP_DRAG_THRESHOLD:
+      g_value_set_uint (value, (guint)priv->drag_threshold);
+      break;
+
+    case PROP_DRAG_AXIS:
+      g_value_set_enum (value, priv->drag_axis);
+      break;
+
+//    case PROP_DRAG_CONTAINMENT_TYPE:
+  //    g_value_set_enum (value, priv->containment);
+    //  break;
+
+    case PROP_DRAG_CONTAINMENT_AREA:
+      g_value_set_boxed (value, &priv->drag_area);
+      break;
+
+    case PROP_DRAG_ENABLED:
+      g_value_set_boolean (value, priv->drag_enabled);
+      break;
+
+    case PROP_DRAG_ACTOR:
+      if (!priv->drag_actor)
+        {
+          ClutterActor *fbo =
+            /*clutter_texture_new_from_actor (CLUTTER_ACTOR (tab));*/
+            NULL;
+          if (fbo)
+            {
+              /* This is where we'd setup deformations, or something along
+               * those lines.
+               */
+              priv->drag_actor = g_object_ref_sink (fbo);
+            }
+          else
+            priv->drag_actor =
+              g_object_ref_sink (clutter_clone_new (CLUTTER_ACTOR (tab)));
+        }
+      g_value_set_object (value, priv->drag_actor);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+    }
+}
+
+static void
+e_mail_tab_set_property (GObject *object, guint property_id,
+                      const GValue *value, GParamSpec *pspec)
+{
+  EMailTab *tab = E_MAIL_TAB (object);
+  EMailTabPrivate *priv = tab->priv;
+
+  switch (property_id)
+    {
+    case PROP_ICON:
+      e_mail_tab_set_icon (tab, g_value_get_object (value));
+      break;
+
+    case PROP_TEXT:
+      e_mail_tab_set_text (tab, g_value_get_string (value));
+      break;
+
+    case PROP_CAN_CLOSE:
+      e_mail_tab_set_can_close (tab, g_value_get_boolean (value));
+
+    case PROP_TAB_WIDTH:
+      e_mail_tab_set_width (tab, g_value_get_int (value));
+      break;
+
+    case PROP_DOCKING:
+      e_mail_tab_set_docking (tab, g_value_get_boolean (value));
+      break;
+
+    case PROP_PREVIEW:
+      e_mail_tab_set_preview_actor (tab,
+                                 CLUTTER_ACTOR (g_value_get_object (value)));
+      break;
+
+    case PROP_PREVIEW_MODE:
+      e_mail_tab_set_preview_mode (tab, g_value_get_boolean (value));
+      break;
+
+    case PROP_PREVIEW_DURATION:
+      e_mail_tab_set_preview_duration (tab, g_value_get_uint (value));
+      break;
+
+    case PROP_SPACING:
+      e_mail_tab_set_spacing (tab, g_value_get_float (value));
+      break;
+
+    case PROP_PRIVATE:
+      e_mail_tab_set_private (tab, g_value_get_boolean (value));
+      break;
+
+    case PROP_ACTIVE:
+      e_mail_tab_set_active (tab, g_value_get_boolean (value));
+      break;
+
+    case PROP_DRAG_THRESHOLD:
+      break;
+
+    case PROP_DRAG_AXIS:
+      priv->drag_axis = g_value_get_enum (value);
+      break;
+
+//    case PROP_DRAG_CONTAINMENT_TYPE:
+ //     priv->containment = g_value_get_enum (value);
+   //   break;
+
+    case PROP_DRAG_CONTAINMENT_AREA:
+      {
+        ClutterActorBox *box = g_value_get_boxed (value);
+
+        if (box)
+          priv->drag_area = *box;
+        else
+          memset (&priv->drag_area, 0, sizeof (ClutterActorBox));
+
+        break;
+      }
+
+    case PROP_DRAG_ENABLED:
+      priv->drag_enabled = g_value_get_boolean (value);
+      break;
+
+    case PROP_DRAG_ACTOR:
+      {
+        ClutterActor *new_actor = g_value_get_object (value);
+
+        if (priv->drag_actor)
+          {
+            ClutterActor *parent = clutter_actor_get_parent (priv->drag_actor);
+
+            /* We know it's a container because we added it ourselves */
+            if (parent)
+              clutter_container_remove_actor (CLUTTER_CONTAINER (parent),
+                                              priv->drag_actor);
+
+            g_object_unref (priv->drag_actor);
+            priv->drag_actor = NULL;
+          }
+
+        if (new_actor)
+          priv->drag_actor = g_object_ref_sink (new_actor);
+
+        break;
+      }
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+    }
+}
+
+static void
+e_mail_tab_dispose_old_bg (EMailTab *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->old_bg)
+    {
+      if (clutter_actor_get_parent (priv->old_bg) == (ClutterActor *)tab)
+        clutter_actor_unparent (priv->old_bg);
+      g_object_unref (priv->old_bg);
+      priv->old_bg = NULL;
+    }
+}
+
+static void
+e_mail_tab_dispose (GObject *object)
+{
+  EMailTab *tab = E_MAIL_TAB (object);
+  EMailTabPrivate *priv = tab->priv;
+
+  e_mail_tab_dispose_old_bg (tab);
+
+  if (priv->icon)
+    {
+      clutter_actor_unparent (priv->icon);
+      priv->icon = NULL;
+    }
+
+  if (priv->default_icon)
+    {
+      g_object_unref (priv->default_icon);
+      priv->default_icon = NULL;
+    }
+
+  if (priv->label)
+    {
+      clutter_actor_unparent (CLUTTER_ACTOR (priv->label));
+      priv->label = NULL;
+    }
+
+  if (priv->close_button)
+    {
+      clutter_actor_unparent (CLUTTER_ACTOR (priv->close_button));
+      priv->close_button = NULL;
+    }
+
+  if (priv->preview)
+    {
+      clutter_actor_unparent (priv->preview);
+      priv->preview = NULL;
+    }
+
+  if (priv->alert_source)
+    {
+      g_source_remove (priv->alert_source);
+      priv->alert_source = 0;
+    }
+
+  if (priv->drag_actor)
+    {
+      ClutterActor *parent = clutter_actor_get_parent (priv->drag_actor);
+      if (parent)
+        clutter_container_remove_actor (CLUTTER_CONTAINER (parent),
+                                        priv->drag_actor);
+      g_object_unref (priv->drag_actor);
+      priv->drag_actor = NULL;
+    }
+
+  if (priv->drag_threshold_handler)
+    {
+      g_signal_handler_disconnect (gtk_settings_get_default (),
+                                   priv->drag_threshold_handler);
+      priv->drag_threshold_handler = 0;
+    }
+
+  G_OBJECT_CLASS (e_mail_tab_parent_class)->dispose (object);
+}
+
+static void
+e_mail_tab_finalize (GObject *object)
+{
+  G_OBJECT_CLASS (e_mail_tab_parent_class)->finalize (object);
+}
+
+static void
+e_mail_tab_get_preferred_width (ClutterActor *actor,
+                             gfloat        for_height,
+                             gfloat       *min_width_p,
+                             gfloat       *natural_width_p)
+{
+  MxPadding padding;
+  EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+  /* Get padding */
+  mx_widget_get_padding (MX_WIDGET (actor), &padding);
+  if (min_width_p)
+    *min_width_p = padding.left + padding.right;
+  if (natural_width_p)
+    *natural_width_p = padding.left + padding.right;
+
+  if (priv->width >= 0)
+    {
+      if (natural_width_p)
+        *natural_width_p += priv->width;
+    }
+  else
+    {
+      gfloat min_width, nat_width, acc_min_width, acc_nat_width;
+
+      acc_min_width = acc_nat_width = 0;
+
+      if (priv->has_text)
+        clutter_actor_get_preferred_size (CLUTTER_ACTOR (priv->label),
+                                          &acc_min_width, NULL,
+                                          &acc_nat_width, NULL);
+
+      if (priv->icon)
+        {
+          clutter_actor_get_preferred_size (priv->icon,
+                                            &min_width, NULL,
+                                            &nat_width, NULL);
+          acc_min_width += min_width;
+          acc_nat_width += nat_width;
+        }
+
+      if (priv->can_close)
+        {
+          clutter_actor_get_preferred_size (CLUTTER_ACTOR (priv->close_button),
+                                            &min_width, NULL,
+                                            &nat_width, NULL);
+          acc_min_width += min_width;
+          acc_nat_width += nat_width;
+        }
+
+      if (priv->preview && priv->preview_mode)
+        {
+          clutter_actor_get_preferred_size (priv->preview,
+                                            &min_width, NULL,
+                                            &nat_width, NULL);
+          if (min_width > acc_min_width)
+            acc_min_width = min_width;
+          if (nat_width > acc_nat_width)
+            acc_nat_width = nat_width;
+        }
+
+      if (min_width_p)
+        *min_width_p += acc_min_width;
+      if (natural_width_p)
+        *natural_width_p += acc_nat_width;
+    }
+}
+
+void
+e_mail_tab_get_height_no_preview (EMailTab *tab,
+                               gfloat  for_width,
+                               gfloat *min_height_p,
+                               gfloat *natural_height_p)
+{
+  MxPadding padding;
+  gfloat min_height, nat_height, tmp_min_height, tmp_nat_height;
+
+  ClutterActor *actor = CLUTTER_ACTOR (tab);
+  EMailTabPrivate *priv = tab->priv;
+
+  /* Get padding */
+  mx_widget_get_padding (MX_WIDGET (actor), &padding);
+  if (min_height_p)
+    *min_height_p = padding.top + padding.bottom;
+  if (natural_height_p)
+    *natural_height_p = padding.top + padding.bottom;
+
+  min_height = nat_height = 0;
+  if (priv->has_text)
+    clutter_actor_get_preferred_height (CLUTTER_ACTOR (priv->label), -1,
+                                        &min_height, &nat_height);
+
+  if (priv->icon)
+    {
+      clutter_actor_get_preferred_height (priv->icon, -1,
+                                          &tmp_min_height, &tmp_nat_height);
+      if (tmp_min_height > min_height)
+        min_height = tmp_min_height;
+      if (tmp_nat_height > nat_height)
+        nat_height = tmp_nat_height;
+    }
+
+  if (priv->can_close)
+    {
+      clutter_actor_get_preferred_height (CLUTTER_ACTOR (priv->close_button),
+                                          -1, &tmp_min_height, &tmp_nat_height);
+      if (tmp_min_height > min_height)
+        min_height = tmp_min_height;
+      if (tmp_nat_height > nat_height)
+        nat_height = tmp_nat_height;
+    }
+
+  if (min_height_p)
+    *min_height_p += min_height;
+  if (natural_height_p)
+    *natural_height_p += nat_height;
+}
+
+static void
+e_mail_tab_get_preferred_height (ClutterActor *actor,
+                              gfloat        for_width,
+                              gfloat       *min_height_p,
+                              gfloat       *natural_height_p)
+{
+  EMailTab *tab = E_MAIL_TAB (actor);
+  EMailTabPrivate *priv = tab->priv;
+
+  e_mail_tab_get_height_no_preview (tab, for_width,
+                                 min_height_p, natural_height_p);
+
+  if (priv->preview)
+    {
+      MxPadding padding;
+      gfloat min_height, nat_height, label_min_height, label_nat_height;
+
+      /* Get preview + padding height */
+      mx_widget_get_padding (MX_WIDGET (actor), &padding);
+
+      clutter_actor_get_preferred_height (priv->preview,
+                                          (gfloat)priv->width,
+                                          &min_height,
+                                          &nat_height);
+
+      /* Add label height */
+      clutter_actor_get_preferred_height (CLUTTER_ACTOR (priv->label), -1,
+                                          &label_min_height, &label_nat_height);
+
+      min_height = (min_height * priv->preview_height_progress) +
+                   padding.top + padding.bottom + priv->spacing +
+                   label_min_height;
+      nat_height = (nat_height * priv->preview_height_progress) +
+                   padding.top + padding.bottom + priv->spacing +
+                   label_nat_height;
+
+      /* Sometimes the preview's natural height will be nan due to 
+       * keeping of the aspect ratio. This guards against that and stops
+       * Clutter from warning that the natural height is less than the
+       * minimum height.
+       */
+      if (isnan (nat_height))
+        nat_height = min_height;
+
+      if (min_height_p && (min_height > *min_height_p))
+        *min_height_p = min_height;
+      if (natural_height_p && (nat_height > *natural_height_p))
+        *natural_height_p = nat_height;
+    }
+}
+
+static void
+e_mail_tab_allocate (ClutterActor           *actor,
+                  const ClutterActorBox  *box,
+                  ClutterAllocationFlags  flags)
+{
+  MxPadding padding;
+  ClutterActorBox child_box;
+  gfloat icon_width, icon_height, label_width, label_height,
+         close_width, close_height, preview_width, preview_height;
+
+  EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+  /* Chain up to store box */
+  CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->allocate (actor, box, flags);
+
+  /* Possibly synchronise an axis if we're dragging */
+  if (priv->in_drag)
+    {
+      ClutterActor *drag_actor =
+        mx_draggable_get_drag_actor (MX_DRAGGABLE (actor));
+
+      if (drag_actor)
+        {
+          gfloat x, y;
+          clutter_actor_get_transformed_position (actor, &x, &y);
+          switch (mx_draggable_get_axis (MX_DRAGGABLE (actor)))
+            {
+            case MX_DRAG_AXIS_X :
+              /* Synchronise y axis */
+              clutter_actor_set_y (drag_actor, y);
+              break;
+            case MX_DRAG_AXIS_Y :
+              /* Synchronise x axis */
+              clutter_actor_set_x (drag_actor, x);
+              break;
+            default :
+              break;
+            }
+        }
+    }
+
+  /* Allocate old background texture */
+  if (priv->old_bg)
+    {
+      child_box.x1 = 0;
+      child_box.y1 = 0;
+      child_box.x2 = box->x2 - box->x1;
+      child_box.y2 = box->y2 - box->y1;
+      clutter_actor_allocate (priv->old_bg, &child_box, flags);
+    }
+
+  mx_widget_get_padding (MX_WIDGET (actor), &padding);
+
+  /* Get the preferred width/height of the icon, label and close-button first */
+  if (priv->icon)
+    clutter_actor_get_preferred_size (priv->icon, NULL, NULL,
+                                      &icon_width, &icon_height);
+  clutter_actor_get_preferred_size (CLUTTER_ACTOR (priv->label), NULL, NULL,
+                                    &label_width, &label_height);
+  if (priv->can_close)
+    clutter_actor_get_preferred_size (CLUTTER_ACTOR (priv->close_button),
+                                      NULL, NULL, &close_width, &close_height);
+
+  /* Allocate for icon */
+  if (priv->icon)
+    {
+      child_box.x1 = padding.left;
+      child_box.x2 = child_box.x1 + icon_width;
+      child_box.y1 = E_MAIL_PIXBOUND ((box->y2 - box->y1)/2 - icon_height/2);
+      child_box.y2 = child_box.y1 + icon_height;
+      clutter_actor_allocate (priv->icon, &child_box, flags);
+    }
+
+  /* Allocate for close button */
+  if (priv->can_close)
+    {
+      child_box.x2 = box->x2 - box->x1 - padding.right;
+      child_box.x1 = child_box.x2 - close_width;
+      child_box.y1 = E_MAIL_PIXBOUND ((box->y2 - box->y1)/2 - close_height/2);
+      child_box.y2 = child_box.y1 + close_height;
+      clutter_actor_allocate (CLUTTER_ACTOR (priv->close_button),
+                              &child_box,
+                              flags);
+    }
+
+  /* Allocate for preview widget */
+  preview_height = 0;
+  if (priv->preview)
+    {
+      preview_width = (box->x2 - box->x1 - padding.left - padding.right);
+      preview_height = (box->y2 - box->y1 - padding.top - padding.bottom -
+                        priv->spacing - label_height);
+
+      child_box.x1 = E_MAIL_PIXBOUND (padding.left);
+      child_box.y1 = E_MAIL_PIXBOUND (padding.top);
+      child_box.x2 = child_box.x1 + preview_width;
+      child_box.y2 = child_box.y1 + preview_height;
+      clutter_actor_allocate (priv->preview, &child_box, flags);
+    }
+
+  /* Allocate for label */
+  if ((priv->preview_height_progress <= TAB_S1_ANIM) || (!priv->preview))
+    {
+      if (priv->icon)
+        child_box.x1 = E_MAIL_PIXBOUND (padding.left + icon_width + priv->spacing);
+      else
+        child_box.x1 = E_MAIL_PIXBOUND (padding.left);
+      child_box.x2 = (box->x2 - box->x1 - padding.right);
+      child_box.y1 = E_MAIL_PIXBOUND ((box->y2 - box->y1)/2 - label_height/2);
+      child_box.y2 = child_box.y1 + label_height;
+
+      /* If close button is visible, don't overlap it */
+      if (priv->can_close)
+        child_box.x2 -= close_width + priv->spacing;
+    }
+  else
+    {
+      /* Put label underneath preview */
+      child_box.x1 = E_MAIL_PIXBOUND (padding.left);
+      child_box.x2 = (box->x2 - box->x1 - padding.right);
+      child_box.y1 = E_MAIL_PIXBOUND (padding.top + preview_height +
+                                   priv->spacing);
+      child_box.y2 = child_box.y1 + label_height;
+    }
+
+  clutter_actor_allocate (CLUTTER_ACTOR (priv->label), &child_box, flags);
+
+  /* If we're in preview mode, re-allocate the background so it doesn't
+   * encompass the label. (A bit hacky?)
+   */
+  if (priv->preview && CLUTTER_ACTOR_IS_VISIBLE (priv->preview))
+    {
+      gfloat max_height = padding.top + padding.bottom + preview_height;
+      if (box->y2 - box->y1 > max_height)
+        {
+          MxWidget *widget = MX_WIDGET (actor);
+          ClutterActor *background = mx_widget_get_border_image (widget);
+
+          if (!background)
+            background = mx_widget_get_background_image (widget);
+
+          child_box.x1 = 0;
+          child_box.x2 = box->x2 - box->x1;
+          child_box.y1 = 0;
+          child_box.y2 = max_height;
+
+          if (background)
+            clutter_actor_allocate (background, &child_box, flags);
+          if (priv->old_bg && (priv->old_bg != background))
+            clutter_actor_allocate (priv->old_bg, &child_box, flags);
+        }
+    }
+}
+
+static void
+e_mail_tab_paint (ClutterActor *actor)
+{
+  EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+  /* Chain up to paint background */
+  CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->paint (actor);
+
+  if (priv->old_bg)
+    clutter_actor_paint (priv->old_bg);
+
+  if (priv->icon)
+    clutter_actor_paint (priv->icon);
+
+  clutter_actor_paint (CLUTTER_ACTOR (priv->label));
+
+  if (priv->can_close)
+    clutter_actor_paint (CLUTTER_ACTOR (priv->close_button));
+
+  if (priv->preview)
+    clutter_actor_paint (CLUTTER_ACTOR (priv->preview));
+}
+
+static void
+e_mail_tab_pick (ClutterActor *actor, const ClutterColor *c)
+{
+  CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->pick (actor, c);
+
+  if (clutter_actor_should_pick_paint (actor))
+    e_mail_tab_paint (actor);
+}
+
+static void
+e_mail_tab_map (ClutterActor *actor)
+{
+  EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+  CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->map (actor);
+
+  clutter_actor_map (CLUTTER_ACTOR (priv->label));
+  clutter_actor_map (CLUTTER_ACTOR (priv->close_button));
+  if (priv->icon)
+    clutter_actor_map (priv->icon);
+  if (priv->preview)
+    clutter_actor_map (priv->preview);
+  if (priv->old_bg)
+    clutter_actor_map (priv->old_bg);
+}
+
+static void
+e_mail_tab_unmap (ClutterActor *actor)
+{
+  EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+  CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->unmap (actor);
+
+  clutter_actor_unmap (CLUTTER_ACTOR (priv->label));
+  clutter_actor_unmap (CLUTTER_ACTOR (priv->close_button));
+  if (priv->icon)
+    clutter_actor_unmap (priv->icon);
+  if (priv->preview)
+    clutter_actor_unmap (priv->preview);
+  if (priv->old_bg)
+    clutter_actor_unmap (priv->old_bg);
+}
+
+static gboolean
+e_mail_tab_button_press_event (ClutterActor       *actor,
+                            ClutterButtonEvent *event)
+{
+  EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+  if (event->button == 1)
+    {
+      mx_stylable_set_style_pseudo_class (MX_STYLABLE (actor), "active");
+      clutter_grab_pointer (actor);
+      priv->pressed = TRUE;
+
+      priv->press_x = event->x;
+      priv->press_y = event->y;
+    }
+
+  /* We have to always return false, or dragging won't work */
+  return FALSE;
+}
+
+static gboolean
+e_mail_tab_button_release_event (ClutterActor       *actor,
+                              ClutterButtonEvent *event)
+{
+  EMailTab *tab = E_MAIL_TAB (actor);
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->pressed)
+    {
+      clutter_ungrab_pointer ();
+      priv->pressed = FALSE;
+
+      /* Note, no need to set the pseudo class here as clicking always results
+       * in being set active.
+       */
+      if (priv->hover)
+        {
+          if (!priv->active)
+            e_mail_tab_set_active (tab, TRUE);
+
+          g_signal_emit (actor, signals[CLICKED], 0);
+        }
+    }
+
+  return FALSE;
+}
+
+static gboolean
+e_mail_tab_motion_event (ClutterActor       *actor,
+                      ClutterMotionEvent *event)
+{
+  EMailTab *tab = E_MAIL_TAB (actor);
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->pressed && priv->drag_enabled)
+    {
+      if ((ABS (event->x - priv->press_x) >= priv->drag_threshold) ||
+          (ABS (event->y - priv->press_y) >= priv->drag_threshold))
+        {
+          /* Ungrab the pointer so that the MxDraggable code can take over */
+          clutter_ungrab_pointer ();
+          priv->pressed = FALSE;
+          if (!priv->active)
+            {
+              if (priv->hover)
+                mx_stylable_set_style_pseudo_class (MX_STYLABLE (actor),
+                                                    "hover");
+              else
+                mx_stylable_set_style_pseudo_class (MX_STYLABLE (actor), NULL);
+            }
+        }
+    }
+
+  return FALSE;
+}
+
+static gboolean
+e_mail_tab_enter_event (ClutterActor         *actor,
+                     ClutterCrossingEvent *event)
+{
+  EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+  if (event->source != actor)
+    return FALSE;
+
+  priv->hover = TRUE;
+
+  if (priv->pressed)
+    mx_stylable_set_style_pseudo_class (MX_STYLABLE (actor), "active");
+  else if (!priv->active)
+    mx_stylable_set_style_pseudo_class (MX_STYLABLE (actor), "hover");
+
+  return FALSE;
+}
+
+static gboolean
+e_mail_tab_leave_event (ClutterActor         *actor,
+                     ClutterCrossingEvent *event)
+{
+  EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+  if ((event->source != actor) ||
+      (event->related == (ClutterActor *)priv->close_button))
+    return FALSE;
+
+  priv->hover = FALSE;
+
+  if (!priv->active)
+    mx_stylable_set_style_pseudo_class (MX_STYLABLE (actor), NULL);
+
+  return FALSE;
+}
+
+static void
+e_mail_tab_class_init (EMailTabClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
+
+  g_type_class_add_private (klass, sizeof (EMailTabPrivate));
+
+  object_class->get_property = e_mail_tab_get_property;
+  object_class->set_property = e_mail_tab_set_property;
+  object_class->dispose = e_mail_tab_dispose;
+  object_class->finalize = e_mail_tab_finalize;
+
+  actor_class->get_preferred_width = e_mail_tab_get_preferred_width;
+  actor_class->get_preferred_height = e_mail_tab_get_preferred_height;
+  actor_class->button_press_event = e_mail_tab_button_press_event;
+  actor_class->button_release_event = e_mail_tab_button_release_event;
+  actor_class->motion_event = e_mail_tab_motion_event;
+  actor_class->enter_event = e_mail_tab_enter_event;
+  actor_class->leave_event = e_mail_tab_leave_event;
+  actor_class->allocate = e_mail_tab_allocate;
+  actor_class->paint = e_mail_tab_paint;
+  actor_class->pick = e_mail_tab_pick;
+  actor_class->map = e_mail_tab_map;
+  actor_class->unmap = e_mail_tab_unmap;
+
+  g_object_class_install_property (object_class,
+                                   PROP_ICON,
+                                   g_param_spec_object ("icon",
+                                                        "Icon",
+                                                        "Icon actor.",
+                                                        CLUTTER_TYPE_ACTOR,
+                                                        G_PARAM_READWRITE |
+                                                        G_PARAM_STATIC_NAME |
+                                                        G_PARAM_STATIC_NICK |
+                                                        G_PARAM_STATIC_BLURB));
+
+  g_object_class_install_property (object_class,
+                                   PROP_TEXT,
+                                   g_param_spec_string ("text",
+                                                        "Text",
+                                                        "Tab text.",
+                                                        "",
+                                                        G_PARAM_READWRITE |
+                                                        G_PARAM_STATIC_NAME |
+                                                        G_PARAM_STATIC_NICK |
+                                                        G_PARAM_STATIC_BLURB));
+
+  g_object_class_install_property (object_class,
+                                   PROP_CAN_CLOSE,
+                                   g_param_spec_boolean ("can-close",
+                                                         "Can close",
+                                                         "Whether the tab can "
+                                                         "close.",
+                                                         TRUE,
+                                                         G_PARAM_READWRITE |
+                                                         G_PARAM_STATIC_NAME |
+                                                         G_PARAM_STATIC_NICK |
+                                                         G_PARAM_STATIC_BLURB));
+
+  g_object_class_install_property (object_class,
+                                   PROP_TAB_WIDTH,
+                                   g_param_spec_int ("tab-width",
+                                                     "Tab width",
+                                                     "Tab width.",
+                                                     -1, G_MAXINT, -1,
+                                                     G_PARAM_READWRITE |
+                                                     G_PARAM_STATIC_NAME |
+                                                     G_PARAM_STATIC_NICK |
+                                                     G_PARAM_STATIC_BLURB));
+
+  g_object_class_install_property (object_class,
+                                   PROP_DOCKING,
+                                   g_param_spec_boolean ("docking",
+                                                         "Docking",
+                                                         "Whether the tab "
+                                                         "should dock to edges "
+                                                         "when scrolled.",
+                                                         FALSE,
+                                                         G_PARAM_READWRITE |
+                                                         G_PARAM_STATIC_NAME |
+                                                         G_PARAM_STATIC_NICK |
+                                                         G_PARAM_STATIC_BLURB));
+
+  g_object_class_install_property (object_class,
+                                   PROP_PREVIEW,
+                                   g_param_spec_object ("preview",
+                                                        "Preview actor",
+                                                        "ClutterActor used "
+                                                        "when in preview mode.",
+                                                        CLUTTER_TYPE_ACTOR,
+                                                        G_PARAM_READWRITE |
+                                                        G_PARAM_STATIC_NAME |
+                                                        G_PARAM_STATIC_NICK |
+                                                        G_PARAM_STATIC_BLURB));
+
+  g_object_class_install_property (object_class,
+                                   PROP_PREVIEW_MODE,
+                                   g_param_spec_boolean ("preview-mode",
+                                                         "Preview mode",
+                                                         "Whether to display "
+                                                         "in preview mode.",
+                                                         FALSE,
+                                                         G_PARAM_READWRITE |
+                                                         G_PARAM_STATIC_NAME |
+                                                         G_PARAM_STATIC_NICK |
+                                                         G_PARAM_STATIC_BLURB));
+
+  g_object_class_install_property (object_class,
+                                   PROP_PREVIEW_DURATION,
+                                   g_param_spec_uint ("preview-duration",
+                                                      "Preview duration",
+                                                      "How long the transition "
+                                                      "between preview mode "
+                                                      "states lasts, in ms.",
+                                                      0, G_MAXUINT, 200,
+                                                      G_PARAM_READWRITE |
+                                                      G_PARAM_STATIC_NAME |
+                                                      G_PARAM_STATIC_NICK |
+                                                      G_PARAM_STATIC_BLURB));
+
+  g_object_class_install_property (object_class,
+                                   PROP_SPACING,
+                                   g_param_spec_float ("spacing",
+                                                       "Spacing",
+                                                       "Spacing between "
+                                                       "tab elements.",
+                                                       0, G_MAXFLOAT,
+                                                       6.0,
+                                                       G_PARAM_READWRITE |
+                                                       G_PARAM_STATIC_NAME |
+                                                       G_PARAM_STATIC_NICK |
+                                                       G_PARAM_STATIC_BLURB));
+
+  g_object_class_install_property (object_class,
+                                   PROP_PRIVATE,
+                                   g_param_spec_boolean ("private",
+                                                         "Private",
+                                                         "Set if the tab is "
+                                                         "'private'.",
+                                                         FALSE,
+                                                         G_PARAM_READWRITE |
+                                                         G_PARAM_STATIC_NAME |
+                                                         G_PARAM_STATIC_NICK |
+                                                         G_PARAM_STATIC_BLURB));
+
+  g_object_class_install_property (object_class,
+                                   PROP_ACTIVE,
+                                   g_param_spec_boolean ("active",
+                                                         "Active",
+                                                         "Set if the tab is "
+                                                         "active.",
+                                                         FALSE,
+                                                         G_PARAM_READWRITE |
+                                                         G_PARAM_STATIC_NAME |
+                                                         G_PARAM_STATIC_NICK |
+                                                         G_PARAM_STATIC_BLURB));
+
+  g_object_class_override_property (object_class,
+                                    PROP_DRAG_THRESHOLD,
+                                    "drag-threshold");
+  g_object_class_override_property (object_class,
+                                    PROP_DRAG_AXIS,
+                                    "axis");
+ // g_object_class_override_property (object_class,
+   //                                 PROP_DRAG_CONTAINMENT_TYPE,
+     //                               "containment-type");
+  g_object_class_override_property (object_class,
+                                    PROP_DRAG_CONTAINMENT_AREA,
+                                    "containment-area");
+  g_object_class_override_property (object_class,
+                                    PROP_DRAG_ENABLED,
+                                    "drag-enabled");
+  g_object_class_override_property (object_class,
+                                    PROP_DRAG_ACTOR,
+                                    "drag-actor");
+
+  signals[CLICKED] =
+    g_signal_new ("clicked",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (EMailTabClass, clicked),
+                  NULL, NULL,
+                  g_cclosure_marshal_VOID__VOID,
+                  G_TYPE_NONE, 0);
+
+  signals[CLOSED] =
+    g_signal_new ("closed",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (EMailTabClass, closed),
+                  NULL, NULL,
+                  g_cclosure_marshal_VOID__VOID,
+                  G_TYPE_NONE, 0);
+
+  signals[TRANSITION_COMPLETE] =
+    g_signal_new ("transition-complete",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (EMailTabClass, transition_complete),
+                  NULL, NULL,
+                  g_cclosure_marshal_VOID__VOID,
+                  G_TYPE_NONE, 0);
+}
+
+static void
+e_mail_tab_close_clicked_cb (MxButton *button, EMailTab *self)
+{
+  g_signal_emit (self, signals[CLOSED], 0);
+}
+
+static void
+e_mail_tab_anim_completed_cb (ClutterAnimation *animation,
+                           EMailTab           *tab)
+{
+  e_mail_tab_dispose_old_bg (tab);
+}
+
+static void
+e_mail_tab_style_changed_cb (MxWidget *widget)
+{
+  EMailTabPrivate *priv = E_MAIL_TAB (widget)->priv;
+
+  /* Don't transition on hover */
+  if (g_strcmp0 (mx_stylable_get_style_pseudo_class (MX_STYLABLE (widget)),
+                                                     "hover") == 0)
+    return;
+
+  if (priv->old_bg)
+    {
+      if (!clutter_actor_get_parent (priv->old_bg))
+        {
+          ClutterActorBox box;
+          ClutterActor *background;
+          ClutterActor *actor = CLUTTER_ACTOR (widget);
+
+          clutter_actor_set_parent (priv->old_bg, actor);
+
+          /* Try to allocate the same size as the background widget,
+           * otherwise allocate the same size as the widget itself.
+           */
+          background = mx_widget_get_border_image (widget);
+          if (!background)
+            background = mx_widget_get_background_image (widget);
+
+          if (background)
+            clutter_actor_get_allocation_box (background, &box);
+          else
+            {
+              clutter_actor_get_allocation_box (actor, &box);
+              box.x2 -= box.x1;
+              box.y2 -= box.y1;
+              box.x1 = 0;
+              box.y1 = 0;
+            }
+
+          clutter_actor_allocate (priv->old_bg, &box, 0);
+        }
+
+      clutter_actor_animate (priv->old_bg,
+                             CLUTTER_LINEAR,
+                             150,
+                             "opacity", 0,
+                             "signal::completed",
+                               G_CALLBACK (e_mail_tab_anim_completed_cb),
+                               widget,
+                             NULL);
+    }
+}
+
+static void
+e_mail_tab_stylable_changed_cb (MxStylable *stylable)
+{
+  EMailTab *tab = E_MAIL_TAB (stylable);
+  EMailTabPrivate *priv = tab->priv;
+
+  e_mail_tab_dispose_old_bg (tab);
+
+  priv->old_bg = mx_widget_get_border_image (MX_WIDGET (tab));
+  if (priv->old_bg)
+    g_object_ref (priv->old_bg);
+}
+
+static void
+e_mail_tab_dnd_notify_cb (GObject    *settings,
+                       GParamSpec *pspec,
+                       EMailTab     *tab)
+{
+  g_object_get (settings,
+                "gtk-dnd-drag-threshold", &tab->priv->drag_threshold,
+                NULL);
+}
+
+static void
+e_mail_tab_init (EMailTab *self)
+{
+  ClutterActor *text;
+  GtkSettings *settings;
+
+  EMailTabPrivate *priv = self->priv = TAB_PRIVATE (self);
+
+  priv->width = -1;
+  priv->anim_length = 200;
+  priv->spacing = 6.0;
+  priv->can_close = TRUE;
+
+  priv->label = mx_label_new ();
+  g_object_set (G_OBJECT (priv->label), "clip-to-allocation", TRUE, NULL);
+  text = mx_label_get_clutter_text (MX_LABEL (priv->label));
+  clutter_text_set_ellipsize (CLUTTER_TEXT (text), PANGO_ELLIPSIZE_END);
+  clutter_actor_set_parent (CLUTTER_ACTOR (priv->label),
+                            CLUTTER_ACTOR (self));
+
+  priv->close_button = mx_button_new ();
+  clutter_actor_set_name (CLUTTER_ACTOR (priv->close_button),
+                          "tab-close-button");
+  clutter_actor_set_parent (CLUTTER_ACTOR (priv->close_button),
+                            CLUTTER_ACTOR (self));
+
+  g_signal_connect (priv->close_button, "clicked",
+                    G_CALLBACK (e_mail_tab_close_clicked_cb), self);
+
+  /* Connect up styling signals */
+  g_signal_connect (self, "style-changed",
+                    G_CALLBACK (e_mail_tab_style_changed_cb), NULL);
+  g_signal_connect (self, "stylable-changed",
+                    G_CALLBACK (e_mail_tab_stylable_changed_cb), NULL);
+
+  clutter_actor_set_reactive (CLUTTER_ACTOR (self), TRUE);
+
+  settings = gtk_settings_get_default ();
+  priv->drag_threshold_handler =
+    g_signal_connect (settings, "notify::gtk-dnd-drag-threshold",
+                      G_CALLBACK (e_mail_tab_dnd_notify_cb), self);
+  g_object_get (G_OBJECT (settings),
+                "gtk-dnd-drag-threshold", &priv->drag_threshold,
+                NULL);
+}
+
+ClutterActor *
+e_mail_tab_new (void)
+{
+  return g_object_new (E_MAIL_TYPE_TAB, NULL);
+}
+
+ClutterActor *
+e_mail_tab_new_full (const gchar *text, ClutterActor *icon, gint width)
+{
+  return g_object_new (E_MAIL_TYPE_TAB,
+                       "text", text,
+                       "icon", icon,
+                       "tab-width", width, NULL);
+}
+
+void
+e_mail_tab_set_text (EMailTab *tab, const gchar *text)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (!text)
+    text = "";
+
+  priv->has_text = (text[0] != '\0');
+
+  if (priv->label)
+    mx_label_set_text (MX_LABEL (priv->label), text);
+
+  g_object_notify (G_OBJECT (tab), "text");
+}
+
+void
+e_mail_tab_set_default_icon (EMailTab       *tab,
+                          ClutterActor *icon)
+{
+  EMailTabPrivate *priv = tab->priv;
+  gboolean changed = !priv->icon || (priv->icon == priv->default_icon);
+
+  if (icon)
+    g_object_ref_sink (icon);
+
+  if (priv->default_icon)
+    g_object_unref (priv->default_icon);
+
+  priv->default_icon = icon;
+
+  if (changed)
+    e_mail_tab_set_icon (tab, NULL);
+}
+
+void
+e_mail_tab_set_icon (EMailTab *tab, ClutterActor *icon)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  /* passing NULL for icon will use default icon if available */
+
+  if (priv->icon)
+    clutter_actor_unparent (priv->icon);
+
+  if (icon)
+    priv->icon = icon;
+  else
+    priv->icon = priv->default_icon;
+
+  if (priv->icon)
+    {
+      clutter_actor_set_parent (priv->icon, CLUTTER_ACTOR (tab));
+    }
+
+  clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+
+  g_object_notify (G_OBJECT (tab), "icon");
+}
+
+const gchar *
+e_mail_tab_get_text (EMailTab *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->label)
+    return mx_label_get_text (MX_LABEL (priv->label));
+  else
+    return NULL;
+}
+
+ClutterActor *
+e_mail_tab_get_icon (EMailTab *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+  return priv->icon == priv->default_icon ? NULL : priv->icon;
+}
+
+void
+e_mail_tab_set_can_close (EMailTab *tab, gboolean can_close)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->can_close == can_close)
+    return;
+
+  priv->can_close = can_close;
+
+  clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+
+  g_object_notify (G_OBJECT (tab), "can-close");
+}
+
+gboolean
+e_mail_tab_get_can_close (EMailTab *tab)
+{
+  return tab->priv->can_close;
+}
+
+void
+e_mail_tab_set_width (EMailTab *tab,
+                   gint    width)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->width == width)
+    return;
+
+  priv->width = width;
+
+  clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+
+  g_object_notify (G_OBJECT (tab), "tab-width");
+}
+
+gint
+e_mail_tab_get_width (EMailTab *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+  return priv->width;
+}
+
+void
+e_mail_tab_set_docking (EMailTab   *tab,
+                     gboolean  docking)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->docking == docking)
+    return;
+
+  priv->docking = docking;
+
+  clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+
+  g_object_notify (G_OBJECT (tab), "docking");
+}
+
+gboolean
+e_mail_tab_get_docking (EMailTab *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+  return priv->docking;
+}
+
+void
+e_mail_tab_set_preview_actor (EMailTab *tab, ClutterActor *actor)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->preview)
+    clutter_actor_unparent (priv->preview);
+
+  priv->preview = actor;
+
+  if (actor)
+    {
+      clutter_actor_set_parent (actor, CLUTTER_ACTOR (tab));
+
+      clutter_actor_set_opacity (actor, priv->preview_mode ? 0xff : 0x00);
+      if (!priv->preview_mode)
+        clutter_actor_hide (actor);
+    }
+
+  clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+
+  g_object_notify (G_OBJECT (tab), "preview");
+}
+
+ClutterActor *
+e_mail_tab_get_preview_actor (EMailTab *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+  return priv->preview;
+}
+
+static void
+preview_new_frame_cb (ClutterTimeline *timeline,
+                      guint            msecs,
+                      EMailTab          *tab)
+{
+  gboolean forwards;
+  EMailTabPrivate *priv = tab->priv;
+
+  forwards = (clutter_timeline_get_direction (timeline) ==
+               CLUTTER_TIMELINE_FORWARD) ? TRUE : FALSE;
+  if (priv->preview_mode)
+    forwards = !forwards;
+
+  priv->preview_height_progress = clutter_timeline_get_progress (timeline);
+  if (forwards)
+    priv->preview_height_progress = 1.0 - priv->preview_height_progress;
+
+  if (priv->preview)
+    clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+}
+
+static void
+preview_completed_cb (ClutterTimeline *timeline,
+                      EMailTab          *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->preview_timeline)
+    {
+      clutter_timeline_stop (priv->preview_timeline);
+      g_object_unref (priv->preview_timeline);
+      priv->preview_timeline = NULL;
+
+      if (priv->preview_mode)
+        priv->preview_height_progress = 1.0;
+      else
+        {
+          priv->preview_height_progress = 0.0;
+          if (priv->preview)
+            clutter_actor_hide (priv->preview);
+          if (priv->can_close)
+            clutter_actor_set_reactive (CLUTTER_ACTOR (priv->close_button),
+                                        TRUE);
+        }
+
+      /* Remove style hint if we're not in preview mode */
+      if (priv->preview)
+        {
+          if (!priv->preview_mode)
+            clutter_actor_set_name (CLUTTER_ACTOR (tab),
+                                    priv->private ? "private-tab" : NULL);
+        }
+      else
+        {
+          /* If there's no preview actor, disable the tab */
+          clutter_actor_set_reactive (CLUTTER_ACTOR (tab), !priv->preview_mode);
+        }
+
+      if (priv->preview)
+        clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+
+      g_signal_emit (tab, signals[TRANSITION_COMPLETE], 0);
+    }
+}
+
+static void
+preview_s1_started_cb (ClutterTimeline *timeline,
+                       EMailTab          *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (!priv->preview)
+    clutter_actor_animate_with_timeline (CLUTTER_ACTOR (priv->label),
+                                         CLUTTER_EASE_IN_OUT_QUAD,
+                                         timeline,
+                                         "opacity", 0xff,
+                                         NULL);
+}
+
+static void
+preview_s2_started_cb (ClutterTimeline *timeline,
+                       EMailTab          *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->preview)
+    clutter_actor_animate_with_timeline (CLUTTER_ACTOR (priv->label),
+                                         CLUTTER_EASE_IN_OUT_QUAD,
+                                         timeline,
+                                         "opacity", 0xff,
+                                         NULL);
+}
+
+void
+e_mail_tab_set_preview_mode (EMailTab *tab, gboolean preview)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->preview_mode != preview)
+    {
+      ClutterTimeline *timeline, *timeline2;
+      gdouble progress, total_duration, duration1, duration2;
+
+      priv->preview_mode = preview;
+
+      /* Disable the close button in preview mode */
+      if (preview && priv->can_close)
+        clutter_actor_set_reactive (CLUTTER_ACTOR (priv->close_button), FALSE);
+
+#define DEBUG_MULT 1
+      if (priv->preview_timeline)
+        {
+          progress = 1.0 -
+                     clutter_timeline_get_progress (priv->preview_timeline);
+          clutter_timeline_stop (priv->preview_timeline);
+          g_object_unref (priv->preview_timeline);
+        }
+      else
+        progress = 0.0;
+
+      total_duration = priv->anim_length * (1.0 - progress) * DEBUG_MULT;
+      duration1 = total_duration * TAB_S1_ANIM;
+      duration2 = total_duration * TAB_S2_ANIM;
+
+      priv->preview_timeline =
+        clutter_timeline_new (priv->anim_length * DEBUG_MULT);
+      clutter_timeline_skip (priv->preview_timeline,
+        clutter_timeline_get_duration (priv->preview_timeline) * progress);
+
+      g_signal_connect (priv->preview_timeline, "completed",
+                        G_CALLBACK (preview_completed_cb), tab);
+
+      clutter_timeline_start (priv->preview_timeline);
+
+      if (!priv->preview)
+        {
+          clutter_actor_animate_with_timeline (CLUTTER_ACTOR (tab),
+                                               CLUTTER_EASE_IN_OUT_QUAD,
+                                               priv->preview_timeline,
+                                               "opacity", preview ? 0x00 : 0xff,
+                                               NULL);
+          return;
+        }
+
+      g_signal_connect (priv->preview_timeline, "new-frame",
+                        G_CALLBACK (preview_new_frame_cb), tab);
+
+      timeline = clutter_timeline_new ((guint)duration1);
+      timeline2 = clutter_timeline_new ((guint)duration2);
+
+      g_signal_connect (timeline, "started",
+                        G_CALLBACK (preview_s1_started_cb), tab);
+      g_signal_connect (timeline2, "started",
+                        G_CALLBACK (preview_s2_started_cb), tab);
+
+      if (preview)
+        clutter_timeline_set_delay (timeline2, duration1);
+      else
+        clutter_timeline_set_delay (timeline, duration2);
+
+      /* clutter_actor_animate_with_timeline will start the timelines */
+      clutter_actor_animate_with_timeline (CLUTTER_ACTOR (priv->label),
+                                           CLUTTER_EASE_IN_OUT_QUAD,
+                                           preview ? timeline : timeline2,
+                                           "opacity", 0x00,
+                                           NULL);
+      if (priv->icon)
+        clutter_actor_animate_with_timeline (priv->icon,
+                                             CLUTTER_EASE_IN_OUT_QUAD,
+                                             timeline,
+                                             "opacity", preview ? 0x00 : 0xff,
+                                             NULL);
+      if (priv->can_close)
+        clutter_actor_animate_with_timeline (CLUTTER_ACTOR (priv->close_button),
+                                             CLUTTER_EASE_IN_OUT_QUAD,
+                                             timeline,
+                                             "opacity", preview ? 0x00 : 0xff,
+                                             NULL);
+
+      if (priv->preview)
+        {
+          clutter_actor_show (priv->preview);
+          clutter_actor_animate_with_timeline (priv->preview,
+                                               CLUTTER_EASE_IN_OUT_QUAD,
+                                               timeline2,
+                                               "opacity", preview ? 0xff : 0x00,
+                                               NULL);
+        }
+
+      /* The animations have references on these, drop ours */
+      g_object_unref (timeline);
+      g_object_unref (timeline2);
+
+      /* Add an actor name, for style */
+      clutter_actor_set_name (CLUTTER_ACTOR (tab),
+                              priv->private ? "private-preview-tab" :
+                                              "preview-tab");
+    }
+}
+
+gboolean
+e_mail_tab_get_preview_mode (EMailTab *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+  return priv->preview_mode;
+}
+
+void
+e_mail_tab_set_preview_duration (EMailTab *tab, guint duration)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->anim_length != duration)
+    {
+      priv->anim_length = duration;
+      g_object_notify (G_OBJECT (tab), "preview-duration");
+    }
+}
+
+guint
+e_mail_tab_get_preview_duration (EMailTab *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+  return priv->anim_length;
+}
+
+void
+e_mail_tab_set_spacing (EMailTab *tab, gfloat spacing)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->spacing != spacing)
+    {
+      priv->spacing = spacing;
+      g_object_notify (G_OBJECT (tab), "spacing");
+      clutter_actor_queue_relayout (CLUTTER_ACTOR (tab));
+    }
+}
+
+gfloat
+e_mail_tab_get_spacing (EMailTab *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+  return priv->spacing;
+}
+
+void
+e_mail_tab_set_private (EMailTab *tab, gboolean private)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->private == private)
+    return;
+
+  priv->private = private;
+
+  if (!priv->preview_mode)
+    clutter_actor_set_name (CLUTTER_ACTOR (tab),
+                            private ? "private-tab" : NULL);
+
+  g_object_notify (G_OBJECT (tab), "private");
+}
+
+gboolean
+e_mail_tab_get_private (EMailTab *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+  return priv->private;
+}
+
+void
+e_mail_tab_set_active (EMailTab *tab, gboolean active)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->active == active)
+    return;
+
+  priv->active = active;
+
+  g_object_notify (G_OBJECT (tab), "active");
+
+  if (active)
+    mx_stylable_set_style_pseudo_class (MX_STYLABLE (tab), "active");
+  else if (!priv->pressed)
+    {
+      if (priv->hover)
+        mx_stylable_set_style_pseudo_class (MX_STYLABLE (tab), "hover");
+      else
+        mx_stylable_set_style_pseudo_class (MX_STYLABLE (tab), NULL);
+    }
+}
+
+gboolean
+e_mail_tab_get_active (EMailTab *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+  return priv->active;
+}
+
+static gboolean
+e_mail_tab_alert_cb (EMailTab *tab)
+{
+  const gchar *name;
+  EMailTabPrivate *priv = tab->priv;
+
+  /* FIXME: Work in preview mode */
+
+  /* Alternate between private mode and non-private to alert */
+  name = (priv->private ^ (priv->alert_count % 2)) ? NULL : "private-tab";
+  if (!priv->preview_mode)
+    clutter_actor_set_name (CLUTTER_ACTOR (tab), name);
+  priv->alert_count ++;
+
+  if (priv->alert_count < 4)
+    return TRUE;
+
+  /* This call isn't needed, it should be in the correct state as long as
+   * the above check always checks for < (an even number)
+   */
+  /*if (!priv->preview_mode)
+    clutter_actor_set_name (CLUTTER_ACTOR (tab),
+                            priv->private ? "private-tab" : NULL);*/
+  priv->alert_source = 0;
+
+  return FALSE;
+}
+
+void
+e_mail_tab_alert (EMailTab *tab)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  priv->alert_count = 0;
+  if (!priv->alert_source)
+    priv->alert_source =
+      g_timeout_add_full (G_PRIORITY_HIGH,
+                          500,
+                          (GSourceFunc)e_mail_tab_alert_cb,
+                          tab,
+                          NULL);
+}
+
+void
+e_mail_tab_enable_drag (EMailTab *tab, gboolean enable)
+{
+  EMailTabPrivate *priv = tab->priv;
+
+  if (priv->drag_enabled == enable)
+    return;
+
+  priv->drag_enabled = enable;
+  if (enable)
+    mx_draggable_enable (MX_DRAGGABLE (tab));
+  else
+    mx_draggable_disable (MX_DRAGGABLE (tab));
+}
+