path: root/addressbook/gui/widgets/e-addressbook-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:
 *      Chris Lahey <clahey@ximian.com>
 *      Chris Toshok <toshok@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#include <config.h>

#include <glib/gi18n.h>
#include <table/e-table.h>
#include <table/e-table-model.h>
#include <table/e-cell-date.h>
#include <misc/e-selectable.h>
#include <widgets/menus/gal-view-factory-etable.h>
#include <filter/e-rule-editor.h>
#include <widgets/menus/gal-view-etable.h>
#include <shell/e-shell-sidebar.h>

#include "addressbook/printing/e-contact-print.h"
#include "ea-addressbook.h"

#include "e-util/e-print.h"
#include "e-util/e-selection.h"
#include "e-util/e-util.h"
#include "libedataserver/e-sexp.h"
#include <libedataserver/e-categories.h>

#include "gal-view-minicard.h"
#include "gal-view-factory-minicard.h"

#include "e-addressbook-view.h"
#include "e-addressbook-model.h"
#include "eab-gui-util.h"
#include "util/eab-book-util.h"
#include "e-addressbook-table-adapter.h"
#include "eab-contact-merging.h"

#include "e-util/e-alert-dialog.h"
#include "e-util/e-util-private.h"

#include <gdk/gdkkeysyms.h>
#include <ctype.h>
#include <string.h>

#define E_ADDRESSBOOK_VIEW_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_ADDRESSBOOK_VIEW, EAddressbookViewPrivate))

#define d(x)

static void status_message          (EAddressbookView *view,
                         const gchar *status);
static void search_result           (EAddressbookView *view,
                         EBookViewStatus status,
                         const gchar *error_msg);
static void folder_bar_message      (EAddressbookView *view,
                         const gchar *status);
static void stop_state_changed      (GObject *object,
                         EAddressbookView *view);
static void backend_died            (EAddressbookView *view);
static void command_state_change        (EAddressbookView *view);

struct _EAddressbookViewPrivate {
    gpointer shell_view;  /* weak pointer */

    EAddressbookModel *model;
    EActivity *activity;

    ESource *source;

    GObject *object;

    GalViewInstance *view_instance;

    /* stored search setup for this view */
    gint filter_id;
    gchar *search_text;
    gint search_id;
    EFilterRule *advanced_search;

    GtkTargetList *copy_target_list;
    GtkTargetList *paste_target_list;
};

enum {
    PROP_0,
    PROP_COPY_TARGET_LIST,
    PROP_MODEL,
    PROP_PASTE_TARGET_LIST,
    PROP_SHELL_VIEW,
    PROP_SOURCE
};

enum {
    OPEN_CONTACT,
    POPUP_EVENT,
    COMMAND_STATE_CHANGE,
    SELECTION_CHANGE,
    LAST_SIGNAL
};

enum {
    DND_TARGET_TYPE_SOURCE_VCARD,
    DND_TARGET_TYPE_VCARD
};

static GtkTargetEntry drag_types[] = {
    { (gchar *) "text/x-source-vcard", 0, DND_TARGET_TYPE_SOURCE_VCARD },
    { (gchar *) "text/x-vcard", 0, DND_TARGET_TYPE_VCARD }
};

static gpointer parent_class;
static guint signals[LAST_SIGNAL];

static void
addressbook_view_emit_open_contact (EAddressbookView *view,
                                    EContact *contact,
                                    gboolean is_new_contact)
{
    g_signal_emit (view, signals[OPEN_CONTACT], 0, contact, is_new_contact);
}

static void
addressbook_view_emit_popup_event (EAddressbookView *view,
                                   GdkEvent *event)
{
    /* Grab focus so that EFocusTracker asks us to update the
     * selection-related actions before showing the popup menu.
     * Apparently ETable doesn't automatically grab focus on
     * right-clicks (is that a bug?). */
    gtk_widget_grab_focus (GTK_WIDGET (view));

    g_signal_emit (view, signals[POPUP_EVENT], 0, event);
}

static void
addressbook_view_emit_selection_change (EAddressbookView *view)
{
    g_signal_emit (view, signals[SELECTION_CHANGE], 0);
}

static void
addressbook_view_open_contact (EAddressbookView *view,
                               EContact *contact)
{
    addressbook_view_emit_open_contact (view, contact, FALSE);
}

static void
addressbook_view_create_contact (EAddressbookView *view)
{
    EContact *contact;

    contact = e_contact_new ();
    addressbook_view_emit_open_contact (view, contact, TRUE);
    g_object_unref (contact);
}

static void
addressbook_view_create_contact_list (EAddressbookView *view)
{
    EContact *contact;

    contact = e_contact_new ();
    e_contact_set (contact, E_CONTACT_IS_LIST, GINT_TO_POINTER (TRUE));
    addressbook_view_emit_open_contact (view, contact, TRUE);
    g_object_unref (contact);
}

static void
table_double_click (ETable *table,
                    gint row,
                    gint col,
                    GdkEvent *event,
                    EAddressbookView *view)
{
    EAddressbookModel *model;
    EContact *contact;

    if (!E_IS_ADDRESSBOOK_TABLE_ADAPTER (view->priv->object))
        return;

    model = e_addressbook_view_get_model (view);
    contact = e_addressbook_model_get_contact (model, row);
    addressbook_view_emit_open_contact (view, contact, FALSE);
    g_object_unref (contact);
}

static gint
table_right_click (ETable *table,
                   gint row,
                   gint col,
                   GdkEvent *event,
                   EAddressbookView *view)
{
    addressbook_view_emit_popup_event (view, event);

    return TRUE;
}

static gint
table_white_space_event (ETable *table,
                         GdkEvent *event,
                         EAddressbookView *view)
{
    gint button = ((GdkEventButton *) event)->button;

    if (event->type == GDK_BUTTON_PRESS && button == 3) {
        addressbook_view_emit_popup_event (view, event);
        return TRUE;
    }

    return FALSE;
}

static void
table_drag_data_get (ETable *table,
                     gint row,
                     gint col,
                     GdkDragContext *context,
                     GtkSelectionData *selection_data,
                     guint info,
                     guint time,
                     gpointer user_data)
{
    EAddressbookView *view = user_data;
    EAddressbookModel *model;
    EBook *book;
    GList *contact_list;
    GdkAtom target;
    gchar *value;

    if (!E_IS_ADDRESSBOOK_TABLE_ADAPTER (view->priv->object))
        return;

    model = e_addressbook_view_get_model (view);
    book = e_addressbook_model_get_book (model);

    contact_list = e_addressbook_view_get_selected (view);
    target = gtk_selection_data_get_target (selection_data);

    switch (info) {
        case DND_TARGET_TYPE_VCARD:
            value = eab_contact_list_to_string (contact_list);

            gtk_selection_data_set (
                selection_data, target, 8,
                (guchar *)value, strlen (value));

            g_free (value);
            break;

        case DND_TARGET_TYPE_SOURCE_VCARD:
            value = eab_book_and_contact_list_to_string (
                book, contact_list);

            gtk_selection_data_set (
                selection_data, target, 8,
                (guchar *)value, strlen (value));

            g_free (value);
            break;
    }

    g_list_foreach (contact_list, (GFunc) g_object_unref, NULL);
    g_list_free (contact_list);
}

static void
addressbook_view_create_table_view (EAddressbookView *view,
                                    GalViewEtable *gal_view)
{
    ETableModel *adapter;
    ETableExtras *extras;
    ECell *cell;
    GtkWidget *widget;
    gchar *etspecfile;

    adapter = eab_table_adapter_new (view->priv->model);

    extras = e_table_extras_new ();

    /* Set proper format component for a default 'date' cell renderer. */
    cell = e_table_extras_get_cell (extras, "date");
    e_cell_date_set_format_component (E_CELL_DATE (cell), "addressbook");

    /* Here we create the table.  We give it the three pieces of
       the table we've created, the header, the model, and the
       initial layout.  It does the rest.  */
    etspecfile = g_build_filename (
        EVOLUTION_ETSPECDIR, "e-addressbook-view.etspec", NULL);
    widget = e_table_new_from_spec_file (
        adapter, extras, etspecfile, NULL);
    gtk_container_add (GTK_CONTAINER (view), widget);
    g_free (etspecfile);

    view->priv->object = G_OBJECT (adapter);

    g_signal_connect (
        widget, "double_click",
        G_CALLBACK (table_double_click), view);
    g_signal_connect (
        widget, "right_click",
        G_CALLBACK (table_right_click), view);
    g_signal_connect (
        widget, "white_space_event",
        G_CALLBACK (table_white_space_event), view);
    g_signal_connect_swapped (
        widget, "selection_change",
        G_CALLBACK (addressbook_view_emit_selection_change), view);

    e_table_drag_source_set (
        E_TABLE (widget), GDK_BUTTON1_MASK,
        drag_types, G_N_ELEMENTS (drag_types),
        GDK_ACTION_MOVE | GDK_ACTION_COPY);

    g_signal_connect (
        E_TABLE (widget), "table_drag_data_get",
        G_CALLBACK (table_drag_data_get), view);

    gtk_widget_show (widget);

    gal_view_etable_attach_table (gal_view, E_TABLE (widget));
}

static void
addressbook_view_create_minicard_view (EAddressbookView *view,
                                       GalViewMinicard *gal_view)
{
    GtkWidget *minicard_view;
    EAddressbookReflowAdapter *adapter;

    adapter = E_ADDRESSBOOK_REFLOW_ADAPTER (
        e_addressbook_reflow_adapter_new (view->priv->model));
    minicard_view = e_minicard_view_widget_new (adapter);

    g_signal_connect_swapped (
        adapter, "open-contact",
        G_CALLBACK (addressbook_view_open_contact), view);

    g_signal_connect_swapped (
        minicard_view, "create-contact",
        G_CALLBACK (addressbook_view_create_contact), view);

    g_signal_connect_swapped (
        minicard_view, "create-contact-list",
        G_CALLBACK (addressbook_view_create_contact_list), view);

    g_signal_connect_swapped (
        minicard_view, "selection_change",
        G_CALLBACK (addressbook_view_emit_selection_change), view);

    g_signal_connect_swapped (
        minicard_view, "right_click",
        G_CALLBACK (addressbook_view_emit_popup_event), view);

    view->priv->object = G_OBJECT (minicard_view);

    gtk_container_add (GTK_CONTAINER (view), minicard_view);
    gtk_widget_show (minicard_view);

    e_reflow_model_changed (E_REFLOW_MODEL (adapter));

    gal_view_minicard_attach (gal_view, view);
}

static void
addressbook_view_display_view_cb (EAddressbookView *view,
                                  GalView *gal_view)
{
    GtkWidget *child;

    child = gtk_bin_get_child (GTK_BIN (view));
    if (child != NULL)
        gtk_container_remove (GTK_CONTAINER (view), child);
    view->priv->object = NULL;

    if (GAL_IS_VIEW_ETABLE (gal_view))
        addressbook_view_create_table_view (
            view, GAL_VIEW_ETABLE (gal_view));
    else if (GAL_IS_VIEW_MINICARD (gal_view))
        addressbook_view_create_minicard_view (
            view, GAL_VIEW_MINICARD (gal_view));

    command_state_change (view);
}

static void
addressbook_view_set_shell_view (EAddressbookView *view,
                                 EShellView *shell_view)
{
    g_return_if_fail (view->priv->shell_view == NULL);

    view->priv->shell_view = shell_view;

    g_object_add_weak_pointer (
        G_OBJECT (shell_view),
        &view->priv->shell_view);
}

static void
addressbook_view_set_source (EAddressbookView *view,
                             ESource *source)
{
    g_return_if_fail (view->priv->source == NULL);

    view->priv->source = g_object_ref (source);
}

static void
addressbook_view_set_property (GObject *object,
                               guint property_id,
                               const GValue *value,
                               GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_SHELL_VIEW:
            addressbook_view_set_shell_view (
                E_ADDRESSBOOK_VIEW (object),
                g_value_get_object (value));
            return;

        case PROP_SOURCE:
            addressbook_view_set_source (
                E_ADDRESSBOOK_VIEW (object),
                g_value_get_object (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
addressbook_view_get_property (GObject *object,
                               guint property_id,
                               GValue *value,
                               GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_COPY_TARGET_LIST:
            g_value_set_boxed (
                value,
                e_addressbook_view_get_copy_target_list (
                E_ADDRESSBOOK_VIEW (object)));
            return;

        case PROP_MODEL:
            g_value_set_object (
                value,
                e_addressbook_view_get_model (
                E_ADDRESSBOOK_VIEW (object)));
            return;

        case PROP_PASTE_TARGET_LIST:
            g_value_set_boxed (
                value,
                e_addressbook_view_get_paste_target_list (
                E_ADDRESSBOOK_VIEW (object)));
            return;

        case PROP_SHELL_VIEW:
            g_value_set_object (
                value,
                e_addressbook_view_get_shell_view (
                E_ADDRESSBOOK_VIEW (object)));
            return;

        case PROP_SOURCE:
            g_value_set_object (
                value,
                e_addressbook_view_get_source (
                E_ADDRESSBOOK_VIEW (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
addressbook_view_dispose (GObject *object)
{
    EAddressbookViewPrivate *priv;

    priv = E_ADDRESSBOOK_VIEW_GET_PRIVATE (object);

    if (priv->shell_view != NULL) {
        g_object_remove_weak_pointer (
            G_OBJECT (priv->shell_view),
            &priv->shell_view);
        priv->shell_view = NULL;
    }

    if (priv->model != NULL) {
        g_signal_handlers_disconnect_matched (
            priv->model, G_SIGNAL_MATCH_DATA,
            0, 0, NULL, NULL, object);
        g_object_unref (priv->model);
        priv->model = NULL;
    }

    if (priv->activity != NULL) {
        /* XXX Activity is not cancellable. */
        e_activity_set_state (priv->activity, E_ACTIVITY_COMPLETED);
        g_object_unref (priv->activity);
        priv->activity = NULL;
    }

    if (priv->source != NULL) {
        g_object_unref (priv->source);
        priv->source = NULL;
    }

    if (priv->view_instance != NULL) {
        g_object_unref (priv->view_instance);
        priv->view_instance = NULL;
    }

    priv->filter_id = 0;
    priv->search_id = 0;

    if (priv->search_text) {
        g_free (priv->search_text);
        priv->search_text = NULL;
    }

    if (priv->advanced_search) {
        g_object_unref (priv->advanced_search);
        priv->advanced_search = NULL;
    }

    if (priv->copy_target_list != NULL) {
        gtk_target_list_unref (priv->copy_target_list);
        priv->copy_target_list = NULL;
    }

    if (priv->paste_target_list != NULL) {
        gtk_target_list_unref (priv->paste_target_list);
        priv->paste_target_list = NULL;
    }

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (parent_class)->dispose (object);
}

static void
addressbook_view_constructed (GObject *object)
{
    EAddressbookView *view = E_ADDRESSBOOK_VIEW (object);
    GalViewInstance *view_instance;
    EShellView *shell_view;
    ESource *source;
    gchar *uri;

    shell_view = e_addressbook_view_get_shell_view (view);
    source = e_addressbook_view_get_source (view);
    uri = e_source_get_uri (source);

    view_instance = e_shell_view_new_view_instance (shell_view, uri);
    g_signal_connect_swapped (
        view_instance, "display-view",
        G_CALLBACK (addressbook_view_display_view_cb), view);
    view->priv->view_instance = view_instance;

    /* Do not call gal_view_instance_load() here.  EBookShellContent
     * must first obtain a reference to this EAddressbookView so that
     * e_book_shell_content_get_current_view() returns the correct
     * view in GalViewInstance::loaded signal handlers. */

    g_free (uri);

    if (G_OBJECT_CLASS (parent_class)->constructed)
        G_OBJECT_CLASS (parent_class)->constructed (object);
}

static void
addressbook_view_update_actions (ESelectable *selectable,
                                 EFocusTracker *focus_tracker,
                                 GdkAtom *clipboard_targets,
                                 gint n_clipboard_targets)
{
    EAddressbookView *view;
    EAddressbookModel *model;
    ESelectionModel *selection_model;
    GtkAction *action;
    GtkTargetList *target_list;
    gboolean can_paste = FALSE;
    gboolean source_is_editable;
    gboolean sensitive;
    const gchar *tooltip;
    gint n_contacts;
    gint n_selected;
    gint ii;

    view = E_ADDRESSBOOK_VIEW (selectable);
    model = e_addressbook_view_get_model (view);
    selection_model = e_addressbook_view_get_selection_model (view);

    source_is_editable = e_addressbook_model_get_editable (model);
    n_contacts = (selection_model != NULL) ?
        e_selection_model_row_count (selection_model) : 0;
    n_selected = (selection_model != NULL) ?
        e_selection_model_selected_count (selection_model) : 0;

    target_list = e_selectable_get_paste_target_list (selectable);
    for (ii = 0; ii < n_clipboard_targets && !can_paste; ii++)
        can_paste = gtk_target_list_find (
            target_list, clipboard_targets[ii], NULL);

    action = e_focus_tracker_get_cut_clipboard_action (focus_tracker);
    sensitive = source_is_editable && (n_selected > 0);
    tooltip = _("Cut selected contacts to the clipboard");
    gtk_action_set_sensitive (action, sensitive);
    gtk_action_set_tooltip (action, tooltip);

    action = e_focus_tracker_get_copy_clipboard_action (focus_tracker);
    sensitive = (n_selected > 0);
    tooltip = _("Copy selected contacts to the clipboard");
    gtk_action_set_sensitive (action, sensitive);
    gtk_action_set_tooltip (action, tooltip);

    action = e_focus_tracker_get_paste_clipboard_action (focus_tracker);
    sensitive = source_is_editable && can_paste;
    tooltip = _("Paste contacts from the clipboard");
    gtk_action_set_sensitive (action, sensitive);
    gtk_action_set_tooltip (action, tooltip);

    action = e_focus_tracker_get_delete_selection_action (focus_tracker);
    sensitive = source_is_editable && (n_selected > 0);
    tooltip = _("Delete selected contacts");
    gtk_action_set_sensitive (action, sensitive);
    gtk_action_set_tooltip (action, tooltip);

    action = e_focus_tracker_get_select_all_action (focus_tracker);
    sensitive = (n_contacts > 0);
    tooltip = _("Select all visible contacts");
    gtk_action_set_sensitive (action, sensitive);
    gtk_action_set_tooltip (action, tooltip);
}

static void
addressbook_view_cut_clipboard (ESelectable *selectable)
{
    EAddressbookView *view;

    view = E_ADDRESSBOOK_VIEW (selectable);

    e_selectable_copy_clipboard (selectable);
    e_addressbook_view_delete_selection (view, FALSE);
}

static void
addressbook_view_copy_clipboard (ESelectable *selectable)
{
    EAddressbookView *view;
    GtkClipboard *clipboard;
    GList *contact_list;
    gchar *string;

    view = E_ADDRESSBOOK_VIEW (selectable);
    clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);

    contact_list = e_addressbook_view_get_selected (view);

    string = eab_contact_list_to_string (contact_list);
    e_clipboard_set_directory (clipboard, string, -1);
    g_free (string);

    g_list_foreach (contact_list, (GFunc) g_object_unref, NULL);
    g_list_free (contact_list);
}

static void
addressbook_view_paste_clipboard (ESelectable *selectable)
{
    EBook *book;
    EAddressbookView *view;
    EAddressbookModel *model;
    GtkClipboard *clipboard;
    GList *contact_list, *iter;
    gchar *string;

    view = E_ADDRESSBOOK_VIEW (selectable);
    clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);

    if (!e_clipboard_wait_is_directory_available (clipboard))
        return;

    model = e_addressbook_view_get_model (view);
    book = e_addressbook_model_get_book (model);

    string = e_clipboard_wait_for_directory (clipboard);
    contact_list = eab_contact_list_from_string (string);
    g_free (string);

    for (iter = contact_list; iter != NULL; iter = iter->next) {
        EContact *contact = iter->data;

        eab_merging_book_add_contact (book, contact, NULL, NULL);
    }

    g_list_foreach (contact_list, (GFunc) g_object_unref, NULL);
    g_list_free (contact_list);
}

static void
addressbook_view_delete_selection (ESelectable *selectable)
{
    EAddressbookView *view;

    view = E_ADDRESSBOOK_VIEW (selectable);

    e_addressbook_view_delete_selection (view, TRUE);
}

static void
addressbook_view_select_all (ESelectable *selectable)
{
    EAddressbookView *view;
    ESelectionModel *selection_model;

    view = E_ADDRESSBOOK_VIEW (selectable);
    selection_model = e_addressbook_view_get_selection_model (view);

    if (selection_model != NULL)
        e_selection_model_select_all (selection_model);
}

static void
addressbook_view_class_init (EAddressbookViewClass *class)
{
    GObjectClass *object_class;

    parent_class = g_type_class_peek_parent (class);
    g_type_class_add_private (class, sizeof (EAddressbookViewPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = addressbook_view_set_property;
    object_class->get_property = addressbook_view_get_property;
    object_class->dispose = addressbook_view_dispose;
    object_class->constructed = addressbook_view_constructed;

    /* Inherited from ESelectableInterface */
    g_object_class_override_property (
        object_class,
        PROP_COPY_TARGET_LIST,
        "copy-target-list");

    g_object_class_install_property (
        object_class,
        PROP_MODEL,
        g_param_spec_object (
            "model",
            "Model",
            NULL,
            E_TYPE_ADDRESSBOOK_MODEL,
            G_PARAM_READABLE));

    /* Inherited from ESelectableInterface */
    g_object_class_override_property (
        object_class,
        PROP_PASTE_TARGET_LIST,
        "paste-target-list");

    g_object_class_install_property (
        object_class,
        PROP_SHELL_VIEW,
        g_param_spec_object (
            "shell-view",
            "Shell View",
            NULL,
            E_TYPE_SHELL_VIEW,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT_ONLY));

    g_object_class_install_property (
        object_class,
        PROP_SOURCE,
        g_param_spec_object (
            "source",
            "Source",
            NULL,
            E_TYPE_SOURCE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT_ONLY));

    signals[OPEN_CONTACT] = g_signal_new (
        "open-contact",
        G_TYPE_FROM_CLASS (class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (EAddressbookViewClass, open_contact),
        NULL, NULL,
        e_marshal_VOID__OBJECT_BOOLEAN,
        G_TYPE_NONE, 2,
        E_TYPE_CONTACT,
        G_TYPE_BOOLEAN);

    signals[POPUP_EVENT] = g_signal_new (
        "popup-event",
        G_TYPE_FROM_CLASS (class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (EAddressbookViewClass, popup_event),
        NULL, NULL,
        g_cclosure_marshal_VOID__BOXED,
        G_TYPE_NONE, 1,
        GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);

    signals[COMMAND_STATE_CHANGE] = g_signal_new (
        "command-state-change",
        G_TYPE_FROM_CLASS (class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (EAddressbookViewClass, command_state_change),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    signals[SELECTION_CHANGE] = g_signal_new (
        "selection-change",
        G_TYPE_FROM_CLASS (class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (EAddressbookViewClass, selection_change),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    /* init the accessibility support for e_addressbook_view */
    eab_view_a11y_init ();
}

static void
addressbook_view_init (EAddressbookView *view)
{
    GtkTargetList *target_list;

    view->priv = E_ADDRESSBOOK_VIEW_GET_PRIVATE (view);

    view->priv->model = e_addressbook_model_new ();

    target_list = gtk_target_list_new (NULL, 0);
    e_target_list_add_directory_targets (target_list, 0);
    view->priv->copy_target_list = target_list;

    target_list = gtk_target_list_new (NULL, 0);
    e_target_list_add_directory_targets (target_list, 0);
    view->priv->paste_target_list = target_list;

    gtk_scrolled_window_set_policy (
        GTK_SCROLLED_WINDOW (view),
        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
    gtk_scrolled_window_set_shadow_type (
        GTK_SCROLLED_WINDOW (view), GTK_SHADOW_IN);
}

static void
addressbook_view_selectable_init (ESelectableInterface *interface)
{
    interface->update_actions = addressbook_view_update_actions;
    interface->cut_clipboard = addressbook_view_cut_clipboard;
    interface->copy_clipboard = addressbook_view_copy_clipboard;
    interface->paste_clipboard = addressbook_view_paste_clipboard;
    interface->delete_selection = addressbook_view_delete_selection;
    interface->select_all = addressbook_view_select_all;
}

GType
e_addressbook_view_get_type (void)
{
    static GType type = 0;

    if (G_UNLIKELY (type == 0)) {
        static const GTypeInfo type_info =  {
            sizeof (EAddressbookViewClass),
            (GBaseInitFunc) NULL,
            (GBaseFinalizeFunc) NULL,
            (GClassInitFunc) addressbook_view_class_init,
            (GClassFinalizeFunc) NULL,
            NULL,  /* class_data */
            sizeof (EAddressbookView),
            0,     /* n_preallocs */
            (GInstanceInitFunc) addressbook_view_init,
            NULL   /* value_table */
        };

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

        type = g_type_register_static (
            GTK_TYPE_SCROLLED_WINDOW, "EAddressbookView",
            &type_info, 0);

        g_type_add_interface_static (
            type, E_TYPE_SELECTABLE, &selectable_info);
    }

    return type;
}

GtkWidget *
e_addressbook_view_new (EShellView *shell_view,
                        ESource *source)
{
    GtkWidget *widget;
    EAddressbookView *view;

    g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);

    widget = g_object_new (
        E_TYPE_ADDRESSBOOK_VIEW, "shell-view",
        shell_view, "source", source, NULL);

    view = E_ADDRESSBOOK_VIEW (widget);

    g_signal_connect_swapped (
        view->priv->model, "status_message",
        G_CALLBACK (status_message), view);
    g_signal_connect_swapped (
        view->priv->model, "search_result",
        G_CALLBACK (search_result), view);
    g_signal_connect_swapped (
        view->priv->model, "folder_bar_message",
        G_CALLBACK (folder_bar_message), view);
    g_signal_connect (view->priv->model, "stop_state_changed",
              G_CALLBACK (stop_state_changed), view);
    g_signal_connect_swapped (
        view->priv->model, "writable-status",
        G_CALLBACK (command_state_change), view);
    g_signal_connect_swapped (
        view->priv->model, "backend_died",
        G_CALLBACK (backend_died), view);

    return widget;
}

EAddressbookModel *
e_addressbook_view_get_model (EAddressbookView *view)
{
    g_return_val_if_fail (E_IS_ADDRESSBOOK_VIEW (view), NULL);

    return view->priv->model;
}

GalViewInstance *
e_addressbook_view_get_view_instance (EAddressbookView *view)
{
    g_return_val_if_fail (E_IS_ADDRESSBOOK_VIEW (view), NULL);

    return view->priv->view_instance;
}

GObject *
e_addressbook_view_get_view_object (EAddressbookView *view)
{
    /* XXX Find a more descriptive name for this. */

    g_return_val_if_fail (E_IS_ADDRESSBOOK_VIEW (view), NULL);

    return view->priv->object;
}

/* Helper for e_addressbook_view_get_selected() */
static void
add_to_list (gint model_row, gpointer closure)
{
    GList **list = closure;
    *list = g_list_prepend (*list, GINT_TO_POINTER (model_row));
}

GList *
e_addressbook_view_get_selected (EAddressbookView *view)
{
    GList *list, *iter;
    ESelectionModel *selection;

    g_return_val_if_fail (E_IS_ADDRESSBOOK_VIEW (view), NULL);

    list = NULL;
    selection = e_addressbook_view_get_selection_model (view);
    e_selection_model_foreach (selection, add_to_list, &list);

    for (iter = list; iter != NULL; iter = iter->next)
        iter->data = e_addressbook_model_get_contact (
            view->priv->model, GPOINTER_TO_INT (iter->data));
    list = g_list_reverse (list);

    return list;
}

ESelectionModel *
e_addressbook_view_get_selection_model (EAddressbookView *view)
{
    GalView *gal_view;
    GalViewInstance *view_instance;
    ESelectionModel *model = NULL;

    g_return_val_if_fail (E_IS_ADDRESSBOOK_VIEW (view), NULL);

    view_instance = e_addressbook_view_get_view_instance (view);
    gal_view = gal_view_instance_get_current_view (view_instance);

    if (GAL_IS_VIEW_ETABLE (gal_view)) {
        GtkWidget *child;

        child = gtk_bin_get_child (GTK_BIN (view));
        model = e_table_get_selection_model (E_TABLE (child));

    } else if (GAL_IS_VIEW_MINICARD (gal_view)) {
        EMinicardViewWidget *widget;

        widget = E_MINICARD_VIEW_WIDGET (view->priv->object);
        model = e_minicard_view_widget_get_selection_model (widget);
    }

    return model;
}

EShellView *
e_addressbook_view_get_shell_view (EAddressbookView *view)
{
    g_return_val_if_fail (E_IS_ADDRESSBOOK_VIEW (view), NULL);

    return view->priv->shell_view;
}

ESource *
e_addressbook_view_get_source (EAddressbookView *view)
{
    g_return_val_if_fail (E_IS_ADDRESSBOOK_VIEW (view), NULL);

    return view->priv->source;
}

GtkTargetList *
e_addressbook_view_get_copy_target_list (EAddressbookView *view)
{
    g_return_val_if_fail (E_IS_ADDRESSBOOK_VIEW (view), NULL);

    return view->priv->copy_target_list;
}

GtkTargetList *
e_addressbook_view_get_paste_target_list (EAddressbookView *view)
{
    g_return_val_if_fail (E_IS_ADDRESSBOOK_VIEW (view), NULL);

    return view->priv->paste_target_list;
}

static void
status_message (EAddressbookView *view,
                const gchar *status)
{
    EActivity *activity;
    EShellView *shell_view;
    EShellBackend *shell_backend;

    activity = view->priv->activity;
    shell_view = e_addressbook_view_get_shell_view (view);
    shell_backend = e_shell_view_get_shell_backend (shell_view);

    if (status == NULL || *status == '\0') {
        if (activity != NULL) {
            view->priv->activity = NULL;
            e_activity_set_state (activity, E_ACTIVITY_COMPLETED);
            g_object_unref (activity);
        }

    } else if (activity == NULL) {
        activity = e_activity_new ();
        view->priv->activity = activity;
        e_activity_set_text (activity, status);
        e_shell_backend_add_activity (shell_backend, activity);

    } else
        e_activity_set_text (activity, status);
}

static void
search_result (EAddressbookView *view,
               EBookViewStatus status,
           const gchar *error_msg)
{
    EShellView *shell_view;
    EAlertSink *alert_sink;

    shell_view = e_addressbook_view_get_shell_view (view);
    alert_sink = E_ALERT_SINK (e_shell_view_get_shell_content (shell_view));

    eab_search_result_dialog (alert_sink, status, error_msg);
}

static void
folder_bar_message (EAddressbookView *view,
                    const gchar *message)
{
    EShellView *shell_view;
    EShellSidebar *shell_sidebar;
    const gchar *name;

    shell_view = e_addressbook_view_get_shell_view (view);
    shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);

    if (view->priv->source == NULL)
        return;

    name = e_source_peek_name (view->priv->source);
    e_shell_sidebar_set_primary_text (shell_sidebar, name);
    e_shell_sidebar_set_secondary_text (shell_sidebar, message);
}

static void
stop_state_changed (GObject *object, EAddressbookView *view)
{
    command_state_change (view);
}

static void
command_state_change (EAddressbookView *view)
{
    g_signal_emit (view, signals[COMMAND_STATE_CHANGE], 0);
}

static void
backend_died (EAddressbookView *view)
{
    EShellView *shell_view;
    EAlertSink *alert_sink;
    EAddressbookModel *model;
    EBook *book;

    shell_view = e_addressbook_view_get_shell_view (view);
    alert_sink = E_ALERT_SINK (e_shell_view_get_shell_content (shell_view));

    model = e_addressbook_view_get_model (view);
    book = e_addressbook_model_get_book (model);

    e_alert_submit (alert_sink,
        "addressbook:backend-died",
        e_book_get_uri (book), NULL);
}

static void
contact_print_button_draw_page (GtkPrintOperation *operation,
                                GtkPrintContext *context,
                                gint page_nr,
                                EPrintable *printable)
{
    GtkPageSetup *setup;
    gdouble top_margin, page_width;
    cairo_t *cr;

    setup = gtk_print_context_get_page_setup (context);
    top_margin = gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS);
    page_width = gtk_page_setup_get_page_width (setup, GTK_UNIT_POINTS);

    cr = gtk_print_context_get_cairo_context (context);

    e_printable_reset (printable);

    while (e_printable_data_left (printable)) {
        cairo_save (cr);
        contact_page_draw_footer (operation,context,page_nr++);
        e_printable_print_page (
            printable, context, page_width - 16, top_margin + 10, TRUE);
        cairo_restore (cr);
    }
}

static void
e_contact_print_button (EPrintable *printable, GtkPrintOperationAction action)
{
    GtkPrintOperation *operation;

    operation = e_print_operation_new ();
    gtk_print_operation_set_n_pages (operation, 1);

    g_signal_connect (
        operation, "draw_page",
        G_CALLBACK (contact_print_button_draw_page), printable);

    gtk_print_operation_run (operation, action, NULL, NULL);

    g_object_unref (operation);
}

void
e_addressbook_view_print (EAddressbookView *view,
                          gboolean selection_only,
                          GtkPrintOperationAction action)
{
    GalView *gal_view;
    GalViewInstance *view_instance;

    g_return_if_fail (E_IS_ADDRESSBOOK_VIEW (view));

    view_instance = e_addressbook_view_get_view_instance (view);
    gal_view = gal_view_instance_get_current_view (view_instance);

    /* Print the selected contacts. */
    if (GAL_IS_VIEW_MINICARD (gal_view) && selection_only) {
        GList *contact_list;

        contact_list = e_addressbook_view_get_selected (view);
        e_contact_print (NULL, NULL, contact_list, action);
        g_list_foreach (contact_list, (GFunc) g_object_unref, NULL);
        g_list_free (contact_list);

    /* Print the latest query results. */
    } else if (GAL_IS_VIEW_MINICARD (gal_view)) {
        EAddressbookModel *model;
        EBook *book;
        EBookQuery *query;
        gchar *query_string;

        model = e_addressbook_view_get_model (view);
        book = e_addressbook_model_get_book (model);
        query_string = e_addressbook_model_get_query (model);

        if (query_string != NULL)
            query = e_book_query_from_string (query_string);
        else
            query = NULL;
        g_free (query_string);

        e_contact_print (book, query, NULL, action);

        if (query != NULL)
            e_book_query_unref (query);

    /* XXX Does this print the entire table or just selected? */
    } else if (GAL_IS_VIEW_ETABLE (gal_view)) {
        EPrintable *printable;
        GtkWidget *widget;

        widget = gtk_bin_get_child (GTK_BIN (view));
        printable = e_table_get_printable (E_TABLE (widget));
        g_object_ref_sink (printable);

        e_contact_print_button (printable, action);

        g_object_unref (printable);
    }
}

/* callback function to handle removal of contacts for
 * which a user doesnt have write permission
 */
static void
delete_contacts_cb (EBook *book, const GError *error, gpointer closure)
{
    switch (error ? error->code : E_BOOK_ERROR_OK) {
        case E_BOOK_ERROR_OK :
        case E_BOOK_ERROR_CANCELLED :
            break;
        case E_BOOK_ERROR_PERMISSION_DENIED :
            e_alert_run_dialog_for_args (e_shell_get_active_window (NULL),
                             "addressbook:contact-delete-error-perm",
                             NULL);
            break;
        default :
            /* Unknown error */
            eab_error_dialog (NULL, _("Failed to delete contact"), error);
            break;
    }
}

static gboolean
addressbook_view_confirm_delete (GtkWindow *parent,
                                 gboolean plural,
                                 gboolean is_list,
                                 const gchar *name)
{
    GtkWidget *dialog;
    gchar *message;
    gint response;

    if (is_list) {
        if (plural) {
            message = g_strdup (
                _("Are you sure you want to "
                  "delete these contact lists?"));
        } else if (name == NULL) {
            message = g_strdup (
                _("Are you sure you want to "
                  "delete this contact list?"));
        } else {
            message = g_strdup_printf (
                _("Are you sure you want to delete "
                  "this contact list (%s)?"), name);
        }
    } else {
        if (plural) {
            message = g_strdup (
                _("Are you sure you want to "
                  "delete these contacts?"));
        } else if (name == NULL) {
            message = g_strdup (
                _("Are you sure you want to "
                  "delete this contact?"));
        } else {
            message = g_strdup_printf (
                _("Are you sure you want to delete "
                  "this contact (%s)?"), name);
        }
    }

    dialog = gtk_message_dialog_new (
        parent, 0, GTK_MESSAGE_QUESTION,
        GTK_BUTTONS_NONE, "%s", message);
    gtk_dialog_add_buttons (
        GTK_DIALOG (dialog),
        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
        GTK_STOCK_DELETE, GTK_RESPONSE_ACCEPT,
        NULL);
    response = gtk_dialog_run (GTK_DIALOG (dialog));
    gtk_widget_destroy (dialog);

    g_free (message);

    return (response == GTK_RESPONSE_ACCEPT);
}

void
e_addressbook_view_delete_selection (EAddressbookView *view, gboolean is_delete)
{
    GList *list, *l;
    gboolean plural = FALSE, is_list = FALSE;
    EContact *contact;
    ETable *etable = NULL;
    EAddressbookModel *model;
    EBook *book;
    ESelectionModel *selection_model = NULL;
    GalViewInstance *view_instance;
    GalView *gal_view;
    GtkWidget *widget;
    gchar *name = NULL;
    gint row = 0, select;

    model = e_addressbook_view_get_model (view);
    book = e_addressbook_model_get_book (model);

    view_instance = e_addressbook_view_get_view_instance (view);
    gal_view = gal_view_instance_get_current_view (view_instance);

    list = e_addressbook_view_get_selected (view);
    contact = list->data;

    if (g_list_next (list))
        plural = TRUE;
    else
        name = e_contact_get (contact, E_CONTACT_FILE_AS);

    if (e_contact_get (contact, E_CONTACT_IS_LIST))
        is_list = TRUE;

    widget = gtk_bin_get_child (GTK_BIN (view));

    if (GAL_IS_VIEW_MINICARD (gal_view)) {
        selection_model = e_addressbook_view_get_selection_model (view);
        row = e_selection_model_cursor_row (selection_model);
    }

    else if (GAL_IS_VIEW_ETABLE (gal_view)) {
        etable = E_TABLE (widget);
        row = e_table_get_cursor_row (E_TABLE (etable));
    }

    /* confirm delete */
    if (is_delete && !addressbook_view_confirm_delete (
            GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view))),
            plural, is_list, name)) {
        g_free (name);
        g_list_foreach (list, (GFunc) g_object_unref, NULL);
        g_list_free (list);
        return;
    }

    if (e_book_check_static_capability (book, "bulk-remove")) {
        GList *ids = NULL;

        for (l=list;l;l=g_list_next (l)) {
            contact = l->data;

            ids = g_list_prepend (ids, (gchar *)e_contact_get_const (contact, E_CONTACT_UID));
        }

        /* Remove the cards all at once. */
        e_book_remove_contacts_async (book,
                          ids,
                          delete_contacts_cb,
                          NULL);

        g_list_free (ids);
    }
    else {
        for (l=list;l;l=g_list_next (l)) {
            contact = l->data;
            /* Remove the card. */
            e_book_remove_contact_async (book,
                             contact,
                             delete_contacts_cb,
                             NULL);
        }
    }

    /* Sets the cursor, at the row after the deleted row */
    if (GAL_IS_VIEW_MINICARD (gal_view) && row != 0) {
        select = e_sorter_model_to_sorted (selection_model->sorter, row);

    /* Sets the cursor, before the deleted row if its the last row */
        if (select == e_selection_model_row_count (selection_model) - 1)
            select = select - 1;
        else
            select = select + 1;

        row = e_sorter_sorted_to_model (selection_model->sorter, select);
        e_selection_model_cursor_changed (selection_model, row, 0);
    }

    /* Sets the cursor, at the row after the deleted row */
    else if (GAL_IS_VIEW_ETABLE (gal_view) && row != 0) {
        select = e_table_model_to_view_row (E_TABLE (etable), row);

    /* Sets the cursor, before the deleted row if its the last row */
        if (select == e_table_model_row_count (E_TABLE (etable)->model) - 1)
            select = select - 1;
        else
            select = select + 1;

        row = e_table_view_to_model_row (E_TABLE (etable), select);
        e_table_set_cursor_row (E_TABLE (etable), row);
    }
    g_list_foreach (list, (GFunc) g_object_unref, NULL);
    g_list_free (list);
}

void
e_addressbook_view_view (EAddressbookView *view)
{
    GList *list, *iter;
    gint response;
    guint length;

    g_return_if_fail (E_IS_ADDRESSBOOK_VIEW (view));

    list = e_addressbook_view_get_selected (view);
    length = g_list_length (list);
    response = GTK_RESPONSE_YES;

    if (length > 5) {
        GtkWidget *dialog;

        /* XXX Use e_alert_new(). */
        /* XXX Provide a parent window. */
        dialog = gtk_message_dialog_new (
            NULL, 0, GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
            ngettext (
                /* Translators: This is shown for more than 5 contacts. */
                "Opening %d contacts will open %d new windows as well.\nDo you really want to display all of these contacts?",
                "Opening %d contacts will open %d new windows as well.\nDo you really want to display all of these contacts?",
                length
                ),
            length, length);
        gtk_dialog_add_buttons (
            GTK_DIALOG (dialog),
            _("_Don't Display"), GTK_RESPONSE_NO,
            _("Display _All Contacts"), GTK_RESPONSE_YES,
            NULL);
        response = gtk_dialog_run (GTK_DIALOG (dialog));
        gtk_widget_destroy (dialog);
    }

    if (response == GTK_RESPONSE_YES)
        for (iter = list; iter != NULL; iter = iter->next)
            addressbook_view_emit_open_contact (
                view, iter->data, FALSE);

    g_list_foreach (list, (GFunc) g_object_unref, NULL);
    g_list_free (list);
}

void
e_addressbook_view_show_all (EAddressbookView *view)
{
    g_return_if_fail (E_IS_ADDRESSBOOK_VIEW (view));

    e_addressbook_model_set_query (view->priv->model, "");
}

void
e_addressbook_view_stop (EAddressbookView *view)
{
    g_return_if_fail (E_IS_ADDRESSBOOK_VIEW (view));

    e_addressbook_model_stop (view->priv->model);
}

static void
view_transfer_contacts (EAddressbookView *view,
                        gboolean delete_from_source,
                        gboolean all)
{
    EBook *book;
    GList *contacts = NULL;
    EShellView *shell_view;
    EAlertSink *alert_sink;

    book = e_addressbook_model_get_book (view->priv->model);
    shell_view = e_addressbook_view_get_shell_view (view);
    alert_sink = E_ALERT_SINK (e_shell_view_get_shell_content (shell_view));

    if (all) {
        EBookQuery *query;
        GError *error = NULL;

        query = e_book_query_any_field_contains ("");
        e_book_get_contacts (book, query, &contacts, &error);
        e_book_query_unref (query);

        if (error) {
            e_alert_submit (
                alert_sink, "addressbook:search-error",
                error->message, NULL);
            g_error_free (error);
            return;
        }
    } else {
        contacts = e_addressbook_view_get_selected (view);
    }

    eab_transfer_contacts (book, contacts, delete_from_source, alert_sink);

    g_object_unref (book);
}

void
e_addressbook_view_copy_to_folder (EAddressbookView *view, gboolean all)
{
    view_transfer_contacts (view, FALSE, all);
}

void
e_addressbook_view_move_to_folder (EAddressbookView *view, gboolean all)
{
    view_transfer_contacts (view, TRUE, all);
}

void
e_addressbook_view_set_search (EAddressbookView *view,
                               gint filter_id,
                               gint search_id,
                               const gchar *search_text,
                               EFilterRule *advanced_search)
{
    EAddressbookViewPrivate *priv;

    g_return_if_fail (view != NULL);
    g_return_if_fail (E_IS_ADDRESSBOOK_VIEW (view));

    priv = view->priv;

    if (priv->search_text)
        g_free (priv->search_text);
    if (priv->advanced_search)
        g_object_unref (priv->advanced_search);

    priv->filter_id = filter_id;
    priv->search_id = search_id;
    priv->search_text = g_strdup (search_text);

    if (advanced_search != NULL)
        priv->advanced_search = e_filter_rule_clone (advanced_search);
    else
        priv->advanced_search = NULL;
}

/* Free returned values for search_text and advanced_search,
 * if not NULL, as these are new copies. */
void
e_addressbook_view_get_search (EAddressbookView *view,
                               gint *filter_id,
                               gint *search_id,
                               gchar **search_text,
                               EFilterRule **advanced_search)
{
    EAddressbookViewPrivate *priv;

    g_return_if_fail (view != NULL);
    g_return_if_fail (E_IS_ADDRESSBOOK_VIEW (view));
    g_return_if_fail (filter_id != NULL);
    g_return_if_fail (search_id != NULL);
    g_return_if_fail (search_text != NULL);
    g_return_if_fail (advanced_search != NULL);

    priv = view->priv;

    *filter_id = priv->filter_id;
    *search_id = priv->search_id;
    *search_text = g_strdup (priv->search_text);

    if (priv->advanced_search != NULL)
        *advanced_search = e_filter_rule_clone (priv->advanced_search);
    else
        *advanced_search = NULL;
}