path: root/mail/e-mail-notebook-view.c

/*
 * This program 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 of the License, or (at your option) version 3.
 *
 * This program 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 the program; if not, see <http://www.gnu.org/licenses/>  
 *
 *
 * Authors:
 *      Srinivasa Ragavan <sragavan@gnome.org>
 *
 * Copyright (C) 2010 Intel corporation. (www.intel.com)
 *
 */

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif


#include <glib.h>
#include <glib/gi18n.h>

#include "mail/e-mail-reader.h"
#include "mail/message-list.h"
#include "mail/em-folder-tree.h"
#include "e-mail-notebook-view.h"
#include "e-mail-folder-pane.h"
#include "e-mail-message-pane.h"

#include <shell/e-shell-window-actions.h>

#if HAVE_CLUTTER
#include <clutter/clutter.h>
#include <mx/mx.h>
#include <clutter-gtk/clutter-gtk.h>

#include "e-mail-tab-picker.h"
#endif

struct _EMailNotebookViewPrivate {
    GtkNotebook *book;
    EMailView *current_view;
    GHashTable *views;
    gboolean inited;

#if HAVE_CLUTTER    
    EMailTabPicker *tab_picker;
    GtkWidget *embed;
    GtkWidget *actor;
    GtkWidget *stage;
#endif  
};

enum {
    PROP_0,
    PROP_GROUP_BY_THREADS,
};

#define E_SHELL_WINDOW_ACTION_GROUP_MAIL(window) \
    E_SHELL_WINDOW_ACTION_GROUP ((window), "mail")

static EMailViewClass *parent_class;
static GType mail_notebook_view_type;

#if HAVE_CLUTTER
struct _anim_data {
    EMailNotebookView *view;
    int page;
};

static void
start_tab_switch_cb (ClutterAnimation *animation,
                     struct _anim_data *data)
{
    gtk_notebook_set_current_page (data->view->priv->book, data->page);
    animation = clutter_actor_animate ((ClutterActor *)data->view->priv->actor, CLUTTER_EASE_IN_SINE, 150,
                                   "opacity", 255,
                                   NULL);
    
}


static void
mnv_set_current_tab (EMailNotebookView *view,
             int page)
{
    ClutterAnimation *animation;
    struct _anim_data *data = g_new0 (struct _anim_data, 1);

    data->view = view;
    data->page = page;

    animation = clutter_actor_animate ((ClutterActor *)view->priv->actor, CLUTTER_EASE_OUT_SINE, 150,
                                   "opacity", 0,
                                   NULL);
    g_signal_connect_after (animation, "completed", G_CALLBACK(start_tab_switch_cb), data);
}
#endif

static void
mail_notebook_view_init (EMailNotebookView  *shell)
{
    shell->priv = g_new0(EMailNotebookViewPrivate, 1);
    
    shell->priv->inited = FALSE;
    shell->priv->views = g_hash_table_new (g_str_hash, g_str_equal);
}

static void
e_mail_notebook_view_finalize (GObject *object)
{
    /* EMailNotebookView *shell = (EMailNotebookView *)object; */

    G_OBJECT_CLASS (parent_class)->finalize (object);
}

static int
emnv_get_page_num (EMailNotebookView *view,
           GtkWidget *widget)
{
    EMailNotebookViewPrivate *priv = view->priv;
    int i, n;
    
    n = gtk_notebook_get_n_pages (priv->book);

    for (i=0; i<n; i++) {
        GtkWidget *curr = gtk_notebook_get_nth_page (priv->book, i);
        if (curr == widget)
            return i;
    }

    g_warn_if_reached ();

    return 0;
}

static void
mnv_page_changed (GtkNotebook *book, GtkNotebookPage *page,
          guint page_num, EMailNotebookView *view)
{
    EMailView *mview = (EMailView *)gtk_notebook_get_nth_page (book, page_num);
    EShellContent *content = E_MAIL_VIEW(view)->content;
    EShellView *shell_view = e_shell_content_get_shell_view (content);
    EShellSidebar *sidebar = e_shell_view_get_shell_sidebar (shell_view);
    EMFolderTree *tree;
    const char *uri = e_mail_reader_get_folder_uri (E_MAIL_READER(mview));

                
    g_object_get (sidebar, "folder-tree", &tree, NULL);
    if (uri)
        em_folder_tree_set_selected (tree, uri, FALSE);

    view->priv->current_view = mview;
    /* For EMailReader related changes to EShellView*/
    g_signal_emit_by_name (view, "changed");
    g_signal_emit_by_name (view, "folder-loaded");
    
    /* For EMailShellContent related changes */
    g_signal_emit_by_name (view, "view-changed");

}

#if HAVE_CLUTTER
static void
fix_tab_picker_width (GtkWidget *widget, GtkAllocation *allocation, ClutterActor *actor)
{
    ClutterActor *stage = g_object_get_data ((GObject *)actor, "stage");
    
    clutter_actor_set_size (actor, allocation->width-1, -1);
    clutter_actor_set_size (stage, allocation->width-1, -1);
}

static void
fix_height_cb (ClutterActor *actor,
               GParamSpec *pspec,
           ClutterActor *table)
{
    GtkWidget *embed = (GtkWidget *)g_object_get_data ((GObject *)actor, "embed");
    ClutterActor *stage = g_object_get_data ((GObject *)actor, "stage");
    
    clutter_actor_set_height (stage, clutter_actor_get_height(actor));
    gtk_widget_set_size_request (embed, -1, (int) clutter_actor_get_height(actor));
}

static void
chooser_clicked_cb (EMailTabPicker *picker, EMailNotebookView *view)
{
    EMailNotebookViewPrivate *priv = E_MAIL_NOTEBOOK_VIEW (view)->priv;

    gboolean preview_mode = !e_mail_tab_picker_get_preview_mode (priv->tab_picker);
    e_mail_tab_picker_set_preview_mode (priv->tab_picker , preview_mode);
}

static void
tab_picker_preview_mode_notify (EMailTabPicker *picker,
                                GParamSpec   *pspec,
                                EMailNotebookView *view)
{
    GList *tabs, *t;
    gboolean preview_mode = e_mail_tab_picker_get_preview_mode (picker);

    clutter_actor_set_name (CLUTTER_ACTOR (picker),
                preview_mode ? "tab-picker-preview" : NULL);

    tabs = e_mail_tab_picker_get_tabs (picker);
    for (t = tabs; t; t = t->next) {
        EMailTab *tab;
        ClutterActor *preview;
        tab = E_MAIL_TAB (t->data);

        preview = e_mail_tab_get_preview_actor (tab);

        if (!preview)
            continue;

        if (preview_mode) {
            /* Show all pages so that the preview clones work correctly */
            clutter_actor_set_opacity (preview, 255);
            clutter_actor_show (preview);
            } else {
                    clutter_actor_hide (preview);
            }
    }
    g_list_free (tabs);
}

static void
mnv_tab_anim_frame_cb (ClutterTimeline *timeline,
                               gint             frame_num,
                               EMailTab          *tab)
{
    if (!clutter_actor_get_parent (CLUTTER_ACTOR (tab))) {
        clutter_timeline_stop (timeline);
        g_object_unref (timeline);
        g_object_unref (tab);

        return;
    }

    e_mail_tab_set_width (tab, 200 * clutter_timeline_get_progress (timeline));
}

static void
mnv_tab_anim_complete_cb (ClutterTimeline *timeline,
                                  EMailTab          *tab)
{
    e_mail_tab_set_width (tab, 200);
    g_object_unref (tab);
    g_object_unref (timeline);
}

struct _tab_data {
    gboolean select;
    EMailNotebookView *view;
    EMailTab *tab;
};

static void
mnv_tab_closed_cb (ClutterTimeline *timeline,
        struct _tab_data *data)
{
    EMailView *page = g_object_get_data ((GObject *)data->tab, "page");
    const char *folder_uri = e_mail_reader_get_folder_uri (E_MAIL_READER(page));
    
    e_mail_tab_picker_remove_tab (data->view->priv->tab_picker, data->tab); 

    if (E_IS_MAIL_FOLDER_PANE (page))
        g_hash_table_remove (data->view->priv->views, folder_uri);
    gtk_notebook_remove_page (data->view->priv->book, 
            gtk_notebook_page_num (data->view->priv->book, (GtkWidget *)page));

}

static void
mnv_tab_closed (EMailTab *tab, EMailNotebookView *view)
{
    EMailNotebookViewPrivate *priv = view->priv;
    int page, cur;
    gboolean select = FALSE;
    ClutterTimeline *timeline;
    struct _tab_data *data = g_new0 (struct _tab_data, 1);

    if (e_mail_tab_picker_get_n_tabs (priv->tab_picker) == 1)
        return;

    page = e_mail_tab_picker_get_tab_no (priv->tab_picker,
                         tab);
    cur = e_mail_tab_picker_get_current_tab (priv->tab_picker);

    if (cur == page)
        select = TRUE;

    data->select  = select;
    data->tab = tab;
    data->view = view;

    clutter_actor_set_reactive (CLUTTER_ACTOR (tab), FALSE);
    timeline = clutter_timeline_new (150);
    clutter_timeline_set_direction (timeline, CLUTTER_TIMELINE_BACKWARD);
    g_signal_connect (timeline, "new-frame",
                    G_CALLBACK (mnv_tab_anim_frame_cb), tab);
    g_signal_connect (timeline, "completed",
                    G_CALLBACK (mnv_tab_closed_cb), data);
    clutter_timeline_start (timeline);
    
}

static void
tab_activated_cb (EMailTabPicker *picker,
          EMailTab   *tab,
          EMailNotebookView *view)
{
    EMailView *page = g_object_get_data ((GObject *)tab, "page");
    int num = emnv_get_page_num (view, (GtkWidget *)page);

    mnv_set_current_tab (view, num);
}
#endif

static void
tab_remove_gtk_cb (GtkWidget *button,
           EMailNotebookView *view)
{
    EMailView *page = g_object_get_data ((GObject *)button, "page");
    const char *folder_uri = e_mail_reader_get_folder_uri (E_MAIL_READER(page));
    
    if (gtk_notebook_get_n_pages(view->priv->book) == 1)
        return;

    if (E_IS_MAIL_FOLDER_PANE (page))
        g_hash_table_remove (view->priv->views, folder_uri);
    gtk_notebook_remove_page (view->priv->book, 
            gtk_notebook_page_num (view->priv->book, (GtkWidget *)page));
    
}

static GtkWidget *
create_tab_label (EMailNotebookView *view, 
          EMailView *page,
          const char *str)
{
    GtkWidget *container, *widget;

    widget = gtk_hbox_new (FALSE, 0);
    gtk_widget_show (widget);
    container = widget;

    widget = gtk_label_new (str);
    gtk_widget_show (widget);
    gtk_box_pack_start (GTK_BOX(container), widget, TRUE, FALSE, 0);

    widget = gtk_button_new ();
    gtk_button_set_relief (GTK_BUTTON (widget), GTK_RELIEF_NONE);
    gtk_button_set_image (GTK_BUTTON (widget), gtk_image_new_from_stock ("gtk-close", GTK_ICON_SIZE_MENU));
    gtk_widget_show_all (widget);
    gtk_box_pack_end (GTK_BOX(container), widget, FALSE, FALSE, 0);
    g_object_set_data ((GObject *)widget, "page", page);
    g_signal_connect (widget, "clicked", G_CALLBACK (tab_remove_gtk_cb), view);

    return container;
}

#if HAVE_CLUTTER

static ClutterActor *
create_gtk_actor (GtkWidget *vbox)
{
  GtkWidget       *bin;
  ClutterActor    *gtk_actor;

  gtk_actor = gtk_clutter_actor_new ();
  bin = gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (gtk_actor));

  gtk_container_add (GTK_CONTAINER (bin), vbox);
  
  gtk_widget_show (bin);
  gtk_widget_show(vbox);
  return gtk_actor;
}

static void
fix_clutter_embed_width (GtkWidget *widget, GtkAllocation *allocation, ClutterActor *actor)
{
    GtkWidget *embed = (GtkWidget *)g_object_get_data ((GObject *)actor, "embed");
    GtkAllocation galoc;

    gtk_widget_get_allocation (embed, &galoc);
    clutter_actor_set_size (actor, allocation->width-1, galoc.height);
}

static GtkWidget *
create_under_clutter (GtkWidget *widget, GtkWidget *paned)
{
    GtkWidget *embed;
    ClutterActor *stage, *actor;

    embed = gtk_clutter_embed_new ();
    gtk_widget_show (embed);

    actor = create_gtk_actor (widget);
    clutter_actor_show (actor);
    stage = gtk_clutter_embed_get_stage ((GtkClutterEmbed *)embed);
    clutter_container_add_actor ((ClutterContainer *)stage, actor);
    
    g_object_set_data ((GObject *)actor, "embed", embed);
    g_object_set_data ((GObject *)actor, "stage", stage);
    g_object_set_data ((GObject *)actor, "widget", widget);
    g_object_set_data ((GObject *)widget, "actor", actor);
    g_object_set_data ((GObject *)embed, "actor", actor);

    g_signal_connect (paned, "size-allocate", G_CALLBACK(fix_clutter_embed_width), actor);
    clutter_actor_show(stage);
    
    return embed;
}

#endif

static void
mail_notebook_view_constructed (GObject *object)
{
    GtkWidget *widget, *container;
    EMailNotebookViewPrivate *priv;
#if HAVE_CLUTTER
    EMailTab *tab;
    ClutterActor *stage, *clone;
    ClutterTimeline *timeline;
#endif

    priv = E_MAIL_NOTEBOOK_VIEW (object)->priv;

    container = GTK_WIDGET(object);

#if HAVE_CLUTTER    
    widget = gtk_clutter_embed_new ();
    gtk_widget_show (widget);
    gtk_box_pack_start (GTK_BOX(container), widget, FALSE, FALSE, 0);

    stage = gtk_clutter_embed_get_stage ((GtkClutterEmbed *)widget);
    clutter_actor_show(stage);
    clutter_actor_set_reactive (stage, TRUE);

    priv->tab_picker = (EMailTabPicker *)e_mail_tab_picker_new ();
    clutter_actor_show ((ClutterActor *)priv->tab_picker);
    g_signal_connect (priv->tab_picker, "tab-activated",
            G_CALLBACK (tab_activated_cb), object);
    g_signal_connect (priv->tab_picker, "chooser-clicked",
                    G_CALLBACK (chooser_clicked_cb), object);
    g_signal_connect (priv->tab_picker, "notify::preview-mode",
                    G_CALLBACK (tab_picker_preview_mode_notify), object);
    g_signal_connect (priv->tab_picker, "notify::height", 
            G_CALLBACK(fix_height_cb), widget);

    clutter_container_add_actor ((ClutterContainer *)stage, (ClutterActor *)priv->tab_picker);

    g_object_set_data ((GObject *)priv->tab_picker, "embed", widget);
    g_object_set_data ((GObject *)priv->tab_picker, "stage", stage);

    g_signal_connect (object, "size-allocate", 
            G_CALLBACK(fix_tab_picker_width), priv->tab_picker);

    clutter_actor_set_height (stage, clutter_actor_get_height((ClutterActor *)priv->tab_picker));
    gtk_widget_set_size_request (widget, -1, (int) clutter_actor_get_height((ClutterActor *)priv->tab_picker));

    tab = (EMailTab *) e_mail_tab_new_full ("", NULL, 1);
    clone = e_mail_tab_new_full ("", NULL, 200);
    
    e_mail_tab_set_can_close ((EMailTab *)clone, FALSE);
    clutter_actor_set_reactive (clone, FALSE);
    clutter_actor_show (clone);

    e_mail_tab_set_preview_actor ((EMailTab *)tab, clone);
    e_mail_tab_set_can_close (tab, TRUE);
    e_mail_tab_enable_drag (tab, TRUE);

    e_mail_tab_picker_add_tab (priv->tab_picker, tab, -1);
    clutter_actor_show((ClutterActor *)tab);
    e_mail_tab_picker_set_current_tab (priv->tab_picker, 0);

    g_object_ref (tab);
        timeline = clutter_timeline_new (150);
    g_signal_connect (timeline, "new-frame",
                    G_CALLBACK (mnv_tab_anim_frame_cb), tab);
        g_signal_connect (timeline, "completed",
                    G_CALLBACK (mnv_tab_anim_complete_cb), tab);
    clutter_timeline_start (timeline);
#else

#endif

    widget = gtk_notebook_new ();
    priv->book = (GtkNotebook *)widget;
    gtk_widget_show (widget);
#if HAVE_CLUTTER
    priv->embed = create_under_clutter (widget, container);
    gtk_box_pack_start (GTK_BOX (container), priv->embed, TRUE, TRUE, 0);
    priv->actor = g_object_get_data((GObject *)priv->embed, "actor");
    priv->stage = g_object_get_data((GObject *)priv->actor, "stage");
#else   
    gtk_box_pack_start (GTK_BOX(container), widget, TRUE, TRUE, 0);
#endif

#if HAVE_CLUTTER
    gtk_notebook_set_show_tabs ((GtkNotebook *)widget, FALSE);
#else   
    gtk_notebook_set_scrollable ((GtkNotebook *)widget, TRUE);
#endif

    gtk_notebook_set_show_border ((GtkNotebook *)widget, FALSE);
    g_signal_connect (widget, "switch-page", 
            G_CALLBACK(mnv_page_changed), object);

    priv->current_view = (EMailView *)e_mail_folder_pane_new (E_MAIL_VIEW(object)->content);
    e_mail_paned_view_set_preview_visible ((EMailPanedView *)priv->current_view, FALSE);
    gtk_widget_show ((GtkWidget *)priv->current_view);

    gtk_notebook_append_page (priv->book, (GtkWidget *)priv->current_view, 
            create_tab_label (E_MAIL_NOTEBOOK_VIEW(object),
                priv->current_view,
                _("Please select a folder")));
    
}

static void
mail_notebook_view_set_property (GObject *object,
                                 guint property_id,
                                 const GValue *value,
                                 GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_GROUP_BY_THREADS:
            e_mail_reader_set_group_by_threads (
                E_MAIL_READER(E_MAIL_NOTEBOOK_VIEW(object)->priv->current_view),
                g_value_get_boolean (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_notebook_view_get_property (GObject *object,
                                 guint property_id,
                                 GValue *value,
                                 GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_GROUP_BY_THREADS:
            g_value_set_boolean (
                value,
                e_mail_reader_get_group_by_threads (
                E_MAIL_READER(E_MAIL_NOTEBOOK_VIEW(object)->priv->current_view)));
            return;

    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_notebook_view_class_init (EMailViewClass *klass)
{
    GObjectClass * object_class = G_OBJECT_CLASS (klass);

    parent_class = g_type_class_peek_parent (klass);
    object_class->constructed = mail_notebook_view_constructed;
    object_class->set_property = mail_notebook_view_set_property;
    object_class->get_property = mail_notebook_view_get_property;
    
    object_class->finalize = e_mail_notebook_view_finalize;

    klass->get_searchbar = e_mail_notebook_view_get_searchbar;
    klass->set_search_strings = e_mail_notebook_view_set_search_strings;
    klass->get_view_instance = e_mail_notebook_view_get_view_instance;
    klass->update_view_instance = e_mail_notebook_view_update_view_instance;
    klass->set_orientation = e_mail_notebook_view_set_orientation;
    klass->get_orientation = e_mail_notebook_view_get_orientation;
    klass->set_show_deleted = e_mail_notebook_view_set_show_deleted;
    klass->get_show_deleted = e_mail_notebook_view_get_show_deleted;
    klass->set_preview_visible = e_mail_notebook_view_set_preview_visible;
    klass->get_preview_visible = e_mail_notebook_view_get_preview_visible;

    /* Inherited from EMailReader */
    g_object_class_override_property (
        object_class,
        PROP_GROUP_BY_THREADS,
        "group-by-threads");
/*
    g_object_class_install_property (
        object_class,
        PROP_PREVIEW_VISIBLE,
        g_param_spec_boolean (
            "preview-visible",
            "Preview is Visible",
            "Whether the preview pane is visible",
            TRUE,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_SHOW_DELETED,
        g_param_spec_boolean (
            "show-deleted",
            "Show Deleted",
            NULL,
            FALSE,
            G_PARAM_READWRITE));

    g_object_class_override_property (
        object_class, PROP_ORIENTATION, "orientation"); */  
}

GtkWidget *
e_mail_notebook_view_new (EShellContent *content)
{
    g_return_val_if_fail (E_IS_SHELL_CONTENT (content), NULL);

    return g_object_new (
        E_MAIL_NOTEBOOK_VIEW_TYPE,
        "shell-content", content, NULL);
}

static GtkActionGroup *
mail_notebook_view_get_action_group (EMailReader *reader)
{
    EMailNotebookViewPrivate *priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
    EShellContent *shell_content;
    EShellWindow *shell_window;
    EShellView *shell_view;

    shell_content = E_MAIL_VIEW (reader)->content;
    shell_view = e_shell_content_get_shell_view (shell_content);
    shell_window = e_shell_view_get_shell_window (shell_view);

    return E_SHELL_WINDOW_ACTION_GROUP_MAIL (shell_window); 
/*  
    if (!priv->current_view)
        return NULL;

    return e_mail_reader_get_action_group (E_MAIL_READER(priv->current_view));*/
}

static EMFormatHTML *
mail_notebook_view_get_formatter (EMailReader *reader)
{
    EMailNotebookViewPrivate *priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
    
    if (!priv->current_view)
        return NULL;

    return e_mail_reader_get_formatter (E_MAIL_READER(priv->current_view));
}

static gboolean
mail_notebook_view_get_hide_deleted (EMailReader *reader)
{
    EMailNotebookViewPrivate *priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
    
    if (!priv->current_view)
        return FALSE;

    return e_mail_reader_get_hide_deleted (E_MAIL_READER(priv->current_view));
}

static GtkWidget *
mail_notebook_view_get_message_list (EMailReader *reader)
{
    EMailNotebookViewPrivate *priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
    
    if (!priv->current_view)
        return NULL;

    return e_mail_reader_get_message_list (E_MAIL_READER(priv->current_view));  
}

static GtkMenu *
mail_notebook_view_get_popup_menu (EMailReader *reader)
{
    EMailNotebookViewPrivate *priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
    
    if (!priv->current_view)
        return NULL;

    return e_mail_reader_get_popup_menu (E_MAIL_READER(priv->current_view));    
}

static EShellBackend *
mail_notebook_view_get_shell_backend (EMailReader *reader)
{
    EShellContent *shell_content;
    EShellView *shell_view;

    shell_content = E_MAIL_VIEW (reader)->content;
    shell_view = e_shell_content_get_shell_view (shell_content);

    return e_shell_view_get_shell_backend (shell_view);
}

static GtkWindow *
mail_notebook_view_get_window (EMailReader *reader)
{
    EShellContent *shell_content;
    EShellWindow *shell_window;
    EShellView *shell_view;

    shell_content = E_MAIL_VIEW (reader)->content;
    shell_view = e_shell_content_get_shell_view (shell_content);
    shell_window = e_shell_view_get_shell_window (shell_view);

    return GTK_WINDOW (shell_window);
}

static void
reconnect_changed_event (EMailReader *child, EMailReader *parent)
{
    g_signal_emit_by_name (parent, "changed");
}

static void
reconnect_folder_loaded_event (EMailReader *child, EMailReader *parent)
{
    g_signal_emit_by_name (parent, "folder-loaded");
}

static void
mail_netbook_view_open_mail (EMailView *view, const char *uid, EMailNotebookView *nview)
{
    const gchar *folder_uri;
    CamelFolder *folder;    
    GtkWidget *pane;
    int page;
    EMailNotebookViewPrivate *priv = E_MAIL_NOTEBOOK_VIEW (nview)->priv;
    CamelMessageInfo *info;
#if HAVE_CLUTTER
    EMailTab *tab;
    ClutterActor *clone;
    ClutterTimeline *timeline;

    e_mail_tab_set_active (e_mail_tab_picker_get_tab (priv->tab_picker, 
                        e_mail_tab_picker_get_current_tab (priv->tab_picker)),
                FALSE);
#endif  
    pane = e_mail_message_pane_new (E_MAIL_VIEW(nview)->content);
    priv->current_view = (EMailView *)pane;
    gtk_widget_show (pane);

    folder = e_mail_reader_get_folder (E_MAIL_READER(view));
    folder_uri = e_mail_reader_get_folder_uri (E_MAIL_READER(view));

    info = camel_folder_get_message_info (folder, uid);

    page = gtk_notebook_append_page (priv->book, pane, 
                create_tab_label (nview,
                priv->current_view,
                camel_message_info_subject(info)));

#if HAVE_CLUTTER
    mnv_set_current_tab (nview, page);
#else   
    gtk_notebook_set_current_page (priv->book, page);
#endif

#if HAVE_CLUTTER            
    tab = (EMailTab *)e_mail_tab_new_full (camel_message_info_subject(info), NULL, 1);
    g_object_set_data ((GObject *)tab, "page", pane);
    clutter_actor_show((ClutterActor *)tab);

    clone = e_mail_tab_new_full (camel_message_info_subject(info), NULL, 200);
    clutter_actor_set_reactive (clone, FALSE);      
    clutter_actor_show (clone);

    e_mail_tab_set_preview_actor (tab, clone);
    e_mail_tab_set_can_close (tab, TRUE);
    e_mail_tab_enable_drag (tab, TRUE);
    e_mail_tab_picker_add_tab (priv->tab_picker, tab, -1);
    
    page = e_mail_tab_picker_get_tab_no (priv->tab_picker, tab);
    e_mail_tab_picker_set_current_tab (priv->tab_picker, page);

    g_signal_connect (tab , "closed", 
              G_CALLBACK (mnv_tab_closed), nview);

    g_object_ref (tab);
    timeline = clutter_timeline_new (150);
    g_signal_connect (timeline, "new-frame",
                    G_CALLBACK (mnv_tab_anim_frame_cb), tab);
    g_signal_connect (timeline, "completed",
                    G_CALLBACK (mnv_tab_anim_complete_cb), tab);
    clutter_timeline_start (timeline);
#endif

    g_signal_connect ( E_MAIL_READER(pane), "changed",
               G_CALLBACK (reconnect_changed_event),
               nview);
    g_signal_connect ( E_MAIL_READER (pane), "folder-loaded",
               G_CALLBACK (reconnect_folder_loaded_event),
               nview);
    e_mail_reader_set_folder (
        E_MAIL_READER (pane), folder, folder_uri);
    e_mail_reader_set_group_by_threads (
        E_MAIL_READER (pane),
        e_mail_reader_get_group_by_threads (E_MAIL_READER(view))); 

    e_mail_reader_set_message (E_MAIL_READER (pane), uid);
    camel_message_info_free (info);
}

static void
mail_notebook_view_set_folder (EMailReader *reader,
                               CamelFolder *folder,
                               const gchar *folder_uri)
{
    EMailNotebookViewPrivate *priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
    GtkWidget *new_view;
#if HAVE_CLUTTER    
    EMailTab *tab;
    ClutterActor *clone;
    ClutterTimeline *timeline;
#endif

    if (!folder_uri)
        return;

    new_view = g_hash_table_lookup (priv->views, folder_uri);
    if (new_view) {
        int curr = emnv_get_page_num (E_MAIL_NOTEBOOK_VIEW (reader), new_view);
#if HAVE_CLUTTER        
        EMailTab *tab;

        e_mail_tab_set_active (e_mail_tab_picker_get_tab (priv->tab_picker, 
                        e_mail_tab_picker_get_current_tab (priv->tab_picker)),
                    FALSE);
#endif

        priv->current_view = (EMailView *)new_view;
#if HAVE_CLUTTER        
        mnv_set_current_tab (E_MAIL_NOTEBOOK_VIEW(reader), curr);
#else
        gtk_notebook_set_current_page (priv->book, curr);
#endif

#if HAVE_CLUTTER        
        tab = (EMailTab *)g_object_get_data ((GObject *)priv->current_view, "page");
        curr = e_mail_tab_picker_get_tab_no (priv->tab_picker, tab);
        e_mail_tab_picker_set_current_tab (priv->tab_picker, curr);
#endif      
        return;
    }

    if (folder || folder_uri) {
        int page;
        
        if (priv->inited) {
            priv->current_view = (EMailView *)e_mail_folder_pane_new (E_MAIL_VIEW(reader)->content);
            gtk_widget_show ((GtkWidget *)priv->current_view);
            page = gtk_notebook_append_page (priv->book, (GtkWidget *)priv->current_view, 
                        create_tab_label (E_MAIL_NOTEBOOK_VIEW(reader),
                                      priv->current_view,
                                  camel_folder_get_full_name (folder)));
#if HAVE_CLUTTER        
            mnv_set_current_tab (E_MAIL_NOTEBOOK_VIEW(reader), page);
#else
                gtk_notebook_set_current_page (priv->book, page);
#endif

#if HAVE_CLUTTER
            e_mail_tab_set_active (e_mail_tab_picker_get_tab (priv->tab_picker, 
                        e_mail_tab_picker_get_current_tab (priv->tab_picker)),
                        FALSE);
            
            tab = (EMailTab *)e_mail_tab_new_full (camel_folder_get_full_name(folder), NULL, 1);
            g_object_set_data ((GObject *)tab, "page", priv->current_view);
            g_object_set_data ((GObject *)priv->current_view, "page", tab);

            clone = e_mail_tab_new_full (camel_folder_get_full_name(folder), NULL, 1);
            clutter_actor_set_reactive (clone, FALSE);
            e_mail_tab_set_can_close ((EMailTab *)clone, FALSE);
            clutter_actor_show (clone);

            e_mail_tab_set_can_close (tab, TRUE);
            e_mail_tab_picker_add_tab (priv->tab_picker, tab, -1);
            e_mail_tab_set_preview_actor (tab, clone);
            e_mail_tab_enable_drag (tab, TRUE);
            clutter_actor_show((ClutterActor *)tab);

            page = e_mail_tab_picker_get_tab_no (priv->tab_picker, tab);
            e_mail_tab_picker_set_current_tab (priv->tab_picker, page);

            g_object_ref (tab);
                timeline = clutter_timeline_new (150);
                g_signal_connect (timeline, "new-frame",
                                G_CALLBACK (mnv_tab_anim_frame_cb), tab);
                g_signal_connect (timeline, "completed",
                            G_CALLBACK (mnv_tab_anim_complete_cb), tab);
                clutter_timeline_start (timeline);
#endif      
        } else {
            priv->inited = TRUE;
            gtk_notebook_set_tab_label (priv->book, (GtkWidget *)priv->current_view, 
                        create_tab_label (E_MAIL_NOTEBOOK_VIEW(reader),
                                      priv->current_view,
                                  camel_folder_get_full_name (folder)));

#if HAVE_CLUTTER            
            tab = e_mail_tab_picker_get_tab(priv->tab_picker, 
                        e_mail_tab_picker_get_current_tab (priv->tab_picker));
            g_object_set_data ((GObject *)tab, "page", priv->current_view);
            g_object_set_data ((GObject *)priv->current_view, "page", tab);

            e_mail_tab_set_text (tab, camel_folder_get_full_name(folder));
            clone = e_mail_tab_get_preview_actor (tab);
            e_mail_tab_set_text ((EMailTab *)clone, camel_folder_get_full_name(folder));
#endif          
        }

#if HAVE_CLUTTER        
        g_signal_connect (tab , "closed", 
                   G_CALLBACK (mnv_tab_closed), reader);
#endif      
        e_mail_reader_set_folder (E_MAIL_READER(priv->current_view), folder, folder_uri);
        g_hash_table_insert (priv->views, g_strdup(folder_uri), priv->current_view);
        g_signal_connect ( E_MAIL_READER(priv->current_view), "changed",
                   G_CALLBACK (reconnect_changed_event),
                   reader);
        g_signal_connect ( E_MAIL_READER (priv->current_view), "folder-loaded",
                   G_CALLBACK (reconnect_folder_loaded_event),
                   reader);
        g_signal_connect ( priv->current_view, "open-mail",
                   G_CALLBACK (mail_netbook_view_open_mail), reader);
    }
}

static void
mail_notebook_view_show_search_bar (EMailReader *reader)
{
    EMailNotebookViewPrivate *priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
        
    e_mail_reader_show_search_bar (E_MAIL_READER(priv->current_view));  
}

EShellSearchbar *
e_mail_notebook_view_get_searchbar (EMailView *view)
{
    EShellView *shell_view;
    EShellContent *shell_content;
    GtkWidget *widget;

    g_return_val_if_fail (
        E_IS_MAIL_NOTEBOOK_VIEW (view), NULL);

    shell_content = E_MAIL_VIEW (view)->content;
    shell_view = e_shell_content_get_shell_view (shell_content);
    widget = e_shell_view_get_searchbar (shell_view);

    return E_SHELL_SEARCHBAR (widget);  
/*  
    if (!E_MAIL_NOTEBOOK_VIEW(view)->priv->current_view)
        return NULL;
    return e_mail_view_get_searchbar (E_MAIL_NOTEBOOK_VIEW(view)->priv->current_view); */
}

static void
mail_notebook_view_open_selected_mail (EMailReader *reader)
{
    EMailNotebookViewPrivate *priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
    
    if (!priv->current_view)
        return ;

    return e_mail_reader_open_selected_mail (E_MAIL_READER(priv->current_view));    
}

void
e_mail_notebook_view_set_search_strings (EMailView *view,
                     GSList *search_strings)
{
    e_mail_view_set_search_strings (E_MAIL_NOTEBOOK_VIEW (view)->priv->current_view, search_strings);
}

GalViewInstance *
e_mail_notebook_view_get_view_instance (EMailView *view)
{
    if (!E_MAIL_NOTEBOOK_VIEW(view)->priv->current_view)
        return NULL;

    return e_mail_view_get_view_instance (E_MAIL_NOTEBOOK_VIEW (view)->priv->current_view);
}

void
e_mail_notebook_view_update_view_instance (EMailView *view)
{
    e_mail_view_update_view_instance (E_MAIL_NOTEBOOK_VIEW (view)->priv->current_view);
}

static void
mail_notebook_view_reader_init (EMailReaderIface *iface)
{
    iface->get_action_group = mail_notebook_view_get_action_group;
    iface->get_formatter = mail_notebook_view_get_formatter;
    iface->get_hide_deleted = mail_notebook_view_get_hide_deleted;
    iface->get_message_list = mail_notebook_view_get_message_list;
    iface->get_popup_menu = mail_notebook_view_get_popup_menu;
    iface->get_shell_backend = mail_notebook_view_get_shell_backend;
    iface->get_window = mail_notebook_view_get_window;
    iface->set_folder = mail_notebook_view_set_folder;
    iface->show_search_bar = mail_notebook_view_show_search_bar;
    iface->open_selected_mail = mail_notebook_view_open_selected_mail;
}

GType
e_mail_notebook_view_get_type (void)
{
    return mail_notebook_view_type;
}

void
e_mail_notebook_view_register_type (GTypeModule *type_module)
{
    static const GTypeInfo type_info = {
        sizeof (EMailNotebookViewClass),
        (GBaseInitFunc) NULL,
        (GBaseFinalizeFunc) NULL,
        (GClassInitFunc) mail_notebook_view_class_init,
        (GClassFinalizeFunc) NULL,
        NULL,  /* class_data */
        sizeof (EMailNotebookView),
        0,     /* n_preallocs */
        (GInstanceInitFunc) mail_notebook_view_init,
        NULL   /* value_table */
    };

    static const GInterfaceInfo reader_info = {
        (GInterfaceInitFunc) mail_notebook_view_reader_init,
        (GInterfaceFinalizeFunc) NULL,
        NULL  /* interface_data */
    };

    mail_notebook_view_type = g_type_module_register_type (
        type_module, E_MAIL_VIEW_TYPE,
        "EMailNotebookView", &type_info, 0);

    g_type_module_add_interface (
        type_module, mail_notebook_view_type,
        E_TYPE_MAIL_READER, &reader_info);
}

void
e_mail_notebook_view_set_show_deleted (EMailNotebookView *view,
                                       gboolean show_deleted)
{
    if (!view->priv->current_view)
        return;
    
    e_mail_view_set_show_deleted (view->priv->current_view, show_deleted);
}
gboolean
e_mail_notebook_view_get_show_deleted (EMailNotebookView *view)
{
    if (!view->priv->current_view)
        return FALSE;
    
    return e_mail_view_get_show_deleted (view->priv->current_view);
}
void
e_mail_notebook_view_set_preview_visible (EMailNotebookView *view,
                                          gboolean preview_visible)
{
    if (!view->priv->current_view)
        return ;

    e_mail_view_set_preview_visible (view->priv->current_view, preview_visible);
}
gboolean
e_mail_notebook_view_get_preview_visible (EMailNotebookView *view)
{
    if (!view->priv->current_view)
        return FALSE;
    
    return e_mail_view_get_preview_visible (view->priv->current_view);
}
void
e_mail_notebook_view_set_orientation (EMailNotebookView *view,
                   GtkOrientation orientation)
{
    if (!view->priv->current_view)
        return;
    
    e_mail_view_set_orientation (view->priv->current_view, orientation);
}
GtkOrientation 
e_mail_notebook_view_get_orientation (EMailNotebookView *view)
{
    if (!view->priv->current_view)
        return GTK_ORIENTATION_VERTICAL;
    
    return e_mail_view_get_orientation (view->priv->current_view);
}