path: root/shell/e-shell-view.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/*
 * E-shell-view.c: Implements a Shell View of Evolution
 *
 * Authors:
 *   Miguel de Icaza (miguel@helixcode.com)
 *
 * (C) 2000 Helix Code, Inc.
 */
#include <config.h>
#include <gnome.h>
#include "shortcut-bar/e-shortcut-bar.h"
#include "e-util/e-util.h"
#include "e-shell-view.h"
#include "e-shell-view-menu.h"
#include "e-shell-shortcut.h"
#include "Evolution.h"

#include <bonobo.h>
#include <libgnorba/gnorba.h>
#include <gtk/gtkprivate.h>

#define PARENT_TYPE gnome_app_get_type ()

static GtkObjectClass *parent_class;

struct _EShellViewPrivate 
{
    /* a hashtable of e-folders -> widgets */
    GHashTable *folder_views;
    GtkWidget *notebook;
};

static void
destroy_folder_view (gpointer unused, gpointer pfolder_view, gpointer unused2)
{
    GtkWidget *folder_view = GTK_WIDGET (pfolder_view);
    BonoboWidget *bonobo_widget;
    BonoboObject *bonobo_object;    
    CORBA_Object corba_control;
    CORBA_Environment ev;

    g_print ("%s: %s entered\n",
         __FILE__, __FUNCTION__);
    
    g_return_if_fail (BONOBO_IS_WIDGET (folder_view));

    bonobo_widget = BONOBO_WIDGET (folder_view);
    
    bonobo_object = BONOBO_OBJECT (
        bonobo_widget_get_server (bonobo_widget));

    corba_control = bonobo_object_corba_objref (bonobo_object);
    
    g_return_if_fail (corba_control != NULL);
    
    CORBA_exception_init (&ev);

    /* hangs on this! */
    Bonobo_Unknown_unref (corba_control, &ev);
    CORBA_exception_free (&ev);

    g_print ("%s: %s exited\n",
         __FILE__, __FUNCTION__);   
}


static void
esv_destroy (GtkObject *object)
{
    EShellView *eshell_view = E_SHELL_VIEW (object);

    e_shell_unregister_view (eshell_view->eshell, eshell_view);

    g_hash_table_foreach (eshell_view->priv->folder_views,
                  destroy_folder_view, NULL);
    
    g_hash_table_destroy (eshell_view->priv->folder_views); 
    g_free (eshell_view->priv); 
    parent_class->destroy (object);
}

static void
e_shell_view_class_init (GtkObjectClass *object_class)
{
    object_class->destroy = esv_destroy;

    parent_class = gtk_type_class (PARENT_TYPE);
}

static void
e_shell_view_setup (EShellView *eshell_view)
{
    /*
     * FIXME, should load the config if (load_config)....
     */
    gtk_window_set_default_size (GTK_WINDOW (eshell_view), 600, 600);
}




static void
e_shell_view_setup_shortcut_display (EShellView *eshell_view)
{
    eshell_view->shortcut_bar =
        e_shortcut_bar_view_new (eshell_view->eshell->shortcut_bar);
    
    eshell_view->hpaned = e_paned_new (TRUE);

    e_paned_insert (E_PANED (eshell_view->hpaned), 0,
            eshell_view->shortcut_bar,
            100);

    gtk_widget_show_all (eshell_view->hpaned);
    
    gnome_app_set_contents (GNOME_APP (eshell_view),
                eshell_view->hpaned);

    gtk_signal_connect (
        GTK_OBJECT (eshell_view->shortcut_bar), "item_selected",
        GTK_SIGNAL_FUNC (shortcut_bar_item_selected), eshell_view);
}

static GtkWidget *
get_view (EShellView *eshell_view, EFolder *efolder, Bonobo_UIHandler uih)
{
    GtkWidget *w = NULL;
    Evolution_Shell corba_shell = CORBA_OBJECT_NIL;
    EShell *shell_model = eshell_view->eshell;

    /* This type could be E_FOLDER_MAIL, E_FOLDER_CONTACTS, etc */
    EFolderType e_folder_type;

    g_assert (efolder);
    g_assert (eshell_view);
    
    e_folder_type = e_folder_get_folder_type (efolder);
    
    if (shell_model)
        corba_shell = bonobo_object_corba_objref (
            BONOBO_OBJECT (shell_model));
    else 
        g_warning ("The shell Bonobo object does not have "
               "an associated CORBA object\n");
    
    /* depending on the type of folder, 
     * we launch a different bonobo component */
    switch (e_folder_type) {

    case E_FOLDER_MAIL :
        w = bonobo_widget_new_control ("control:evolution-mail", uih);
        break;

    case E_FOLDER_CONTACTS :
        w = bonobo_widget_new_control ("control:addressbook", uih);
        break;

    case E_FOLDER_CALENDAR : {
        gchar *user_cal_file;
        BonoboPropertyBagClient *pbc;
        BonoboControlFrame *cf;

        w = bonobo_widget_new_control ("control:calendar", uih);

        if (w) {
            cf = bonobo_widget_get_control_frame (BONOBO_WIDGET (w));
            pbc = bonobo_control_frame_get_control_property_bag (cf);
            /*pbc = bonobo_control_get_property_bag (w);*/
            
            user_cal_file =
                g_concat_dir_and_file (gnome_util_user_home (),
                               ".gnome/user-cal.vcf");
            
            bonobo_property_bag_client_set_value_string (pbc,
                                     "calendar_uri",
                                     user_cal_file);
        }
        
        break;
    }

    case E_FOLDER_TASKS :
    case E_FOLDER_OTHER :       
    default : 
        printf ("%s: %s: No bonobo component associated with %s\n",
            __FILE__,
            __FUNCTION__,
            e_folder_get_description (efolder));
        return NULL;
    }

    if (w)
    {
        Evolution_ServiceRepository corba_sr;
        BonoboObjectClient *server =
            bonobo_widget_get_server (BONOBO_WIDGET (w));
        CORBA_Environment ev;
        CORBA_exception_init (&ev);

        /* Does this control have the "ServiceRepository" interface? */
        corba_sr = (Evolution_ServiceRepository) 
            bonobo_object_client_query_interface (
                server,
                "IDL:Evolution/ServiceRepository:1.0",
                NULL);

        /* If it does, pass our shell interface to it */
        if (corba_sr != CORBA_OBJECT_NIL) {

            Evolution_ServiceRepository_set_shell (corba_sr,
                                   corba_shell,
                                   &ev);
            /* We're done with the service repository interface,
               so now let's get rid of it */
            Bonobo_Unknown_unref (corba_sr, &ev);
            
        } else {
            
            g_print ("The bonobo component for \"%s\" doesn't "
                 "seem to implement the "
                 "Evolution::ServiceRepository interface\n",
                 e_folder_get_description (efolder));
        }

        CORBA_exception_free (&ev);

        gtk_widget_show (w);
    }
    
    return w;
}

void e_shell_view_toggle_shortcut_bar (EShellView *eshell_view)
{
    GtkWidget *shortcut_bar = eshell_view->shortcut_bar;
    GtkWidget *hpaned = eshell_view->hpaned;
    
    if (shortcut_bar->parent) {
        gtk_widget_ref (shortcut_bar);              
        e_paned_remove (E_PANED (hpaned), shortcut_bar);
    }
    else
        e_paned_insert (E_PANED (hpaned), 0, shortcut_bar, 
                100);
    gtk_widget_show_all (GTK_WIDGET (hpaned));
}

void e_shell_view_toggle_treeview (EShellView *eshell_view)
{
    
}

static gboolean
bonobo_widget_is_dead (BonoboWidget *bw)
{
    BonoboObject *boc = BONOBO_OBJECT (bonobo_widget_get_server (bw));
    CORBA_Object obj = bonobo_object_corba_objref (boc);

    CORBA_Environment ev;
    
    gboolean is_dead = FALSE;

    CORBA_exception_init (&ev);
    if (CORBA_Object_non_existent(obj, &ev))
        is_dead = TRUE;
    CORBA_exception_free (&ev);

    return is_dead;
}


void
e_shell_view_set_view (EShellView *eshell_view, EFolder *efolder)
{
    GtkNotebook *notebook;
    GtkWidget *folder_view;
    int current_page;
    BonoboControlFrame *control_frame;

    g_assert (eshell_view);
    g_assert (efolder);

    notebook = GTK_NOTEBOOK (eshell_view->priv->notebook);
    current_page = gtk_notebook_get_current_page (notebook);

    if (current_page != -1) {
        GtkWidget *current;

        current = gtk_notebook_get_nth_page (notebook, current_page);
        control_frame = bonobo_widget_get_control_frame (
            BONOBO_WIDGET (current));
    } else
        control_frame = NULL;

    /* If there's a notebook page in our hash that represents this
     * efolder, switch to it.
     */
    folder_view = g_hash_table_lookup (eshell_view->priv->folder_views,
                       efolder);
    if (folder_view) {
        int notebook_page;

        g_assert (GTK_IS_NOTEBOOK (notebook));
        g_assert (GTK_IS_WIDGET (folder_view));
        
        notebook_page = gtk_notebook_page_num (notebook,
                               folder_view);
        g_assert (notebook_page != -1);
        
        /* a BonoboWidget can be a "zombie" in the sense that its
           actual control is dead; if it's zombie, let's recreate it*/
        if (bonobo_widget_is_dead (BONOBO_WIDGET (folder_view))) {

            GtkWidget *parent = folder_view->parent;
            Bonobo_UIHandler uih =
                bonobo_object_corba_objref (
                    BONOBO_OBJECT (eshell_view->uih));          

            /* out with the old */
            gtk_container_remove (GTK_CONTAINER (parent), folder_view);

            /* in with the new */
            folder_view = get_view (eshell_view, efolder, uih);
            gtk_container_add (GTK_CONTAINER (parent), folder_view);

            /* make sure it's in our hashtable, so we can get to
               it from the shortcut bar */
            g_hash_table_insert (eshell_view->priv->folder_views,
                         efolder, folder_view);
            gtk_widget_show_all (folder_view);
        }
        
        
        gtk_notebook_set_page (notebook, notebook_page);

        return;
        
    } else {
        /* Get a new control that represents this efolder,
         * append it to our notebook, and put it in our hash.
         */
        Bonobo_UIHandler uih =
            bonobo_object_corba_objref (
                BONOBO_OBJECT (eshell_view->uih));
        int new_page_index;

        folder_view = get_view (eshell_view, efolder, uih);
        if (!folder_view)
            return;

        gtk_notebook_append_page (notebook, folder_view, NULL);
        new_page_index = gtk_notebook_page_num (notebook,
                            folder_view);
        g_hash_table_insert (eshell_view->priv->folder_views,
                     efolder, folder_view);
        gtk_notebook_set_page (notebook, new_page_index);
    }

    if (control_frame)
        bonobo_control_frame_control_deactivate (control_frame);

    control_frame =
        bonobo_widget_get_control_frame (BONOBO_WIDGET (folder_view));
    bonobo_control_frame_control_activate (control_frame);
}

GtkWidget *
e_shell_view_new (EShell *eshell, EFolder *efolder, gboolean show_shortcut_bar)
{
    EShellView *eshell_view;

    g_return_val_if_fail (eshell != NULL, NULL);
    g_return_val_if_fail (efolder != NULL, NULL);   
    
    eshell_view = gtk_type_new (e_shell_view_get_type ());

    eshell_view->priv = g_new (EShellViewPrivate, 1);
    eshell_view->priv->folder_views =
        g_hash_table_new (g_direct_hash, g_direct_equal);
    eshell_view->priv->notebook = NULL;

    gnome_app_construct (GNOME_APP (eshell_view),
                 "Evolution", "Evolution");

    eshell_view->eshell = eshell;
    e_shell_view_setup (eshell_view);
    e_shell_view_setup_menus (eshell_view);

    e_shell_register_view (eshell, eshell_view);
    eshell_view->shortcut_displayed = show_shortcut_bar;
    e_shell_view_setup_shortcut_display (eshell_view);

    /* create our notebook, if it hasn't been created already */
    if (!eshell_view->priv->notebook) {
        eshell_view->priv->notebook = gtk_notebook_new();

        gtk_notebook_set_show_tabs (
            GTK_NOTEBOOK (eshell_view->priv->notebook),
            FALSE);

        gtk_widget_show (eshell_view->priv->notebook);

        e_paned_insert (E_PANED (eshell_view->hpaned),
                1,
                eshell_view->priv->notebook,
//              gtk_button_new_with_label ("foobar"),
                500);
        
        gtk_widget_show_all (GTK_WIDGET (eshell_view->hpaned));
    }

    e_shell_view_set_view (eshell_view, efolder);
    
    return (GtkWidget *) eshell_view;
}

void
e_shell_view_display_shortcut_bar (EShellView *eshell_view, gboolean display)
{
    g_return_if_fail (eshell_view != NULL);
    g_return_if_fail (E_IS_SHELL_VIEW (eshell_view));

    g_error ("Switching code for the shortcut bar is not written yet");
}

E_MAKE_TYPE (e_shell_view, "EShellView", EShellView, e_shell_view_class_init, NULL, PARENT_TYPE);

void
e_shell_view_new_folder (EShellView *esv)
{
    g_return_if_fail (esv != NULL);
    g_return_if_fail (E_IS_SHELL_VIEW (esv));
}

void
e_shell_view_new_shortcut (EShellView *esv)
{
    g_return_if_fail (esv != NULL);
    g_return_if_fail (E_IS_SHELL_VIEW (esv));
}