path: root/mail/em-folder-properties.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:
 *      Michael Zucchi <notzed@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include <string.h>

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

#include <gconf/gconf-client.h>

#include "em-folder-properties.h"
#include "em-config.h"

#include "e-mail-backend.h"
#include "e-mail-folder-utils.h"
#include "e-mail-local.h"
#include "mail-ops.h"
#include "mail-mt.h"
#include "mail-vfolder.h"

typedef struct _AsyncContext AsyncContext;

struct _AsyncContext {
    EActivity *activity;
    EShellView *shell_view;
    CamelFolder *folder;
    CamelFolderQuotaInfo *quota_info;
    gint total;
    gint unread;
};

static void
async_context_free (AsyncContext *context)
{
    if (context->activity != NULL)
        g_object_unref (context->activity);

    if (context->shell_view != NULL)
        g_object_unref (context->shell_view);

    if (context->folder != NULL)
        g_object_unref (context->folder);

    if (context->quota_info != NULL)
        camel_folder_quota_info_free (context->quota_info);

    g_slice_free (AsyncContext, context);
}

static void
emfp_free (EConfig *ec, GSList *items, gpointer data)
{
    g_slist_free (items);
}

static gint
add_numbered_row (GtkTable *table,
                  gint row,
                  const gchar *description,
                  const gchar *format,
                  gint num)
{
    gchar *str;
    GtkWidget *label;

    g_return_val_if_fail (table != NULL, row);
    g_return_val_if_fail (description != NULL, row);
    g_return_val_if_fail (format != NULL, row);

    label = gtk_label_new (description);
    gtk_widget_show (label);
    gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
    gtk_table_attach (
        table, label, 0, 1, row, row + 1,
        GTK_FILL, 0, 0, 0);

    str = g_strdup_printf (format, num);

    label = gtk_label_new (str);
    gtk_widget_show (label);
    gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
    gtk_table_attach (
        table, label, 1, 2, row, row+1,
        GTK_FILL | GTK_EXPAND, 0, 0, 0);

    g_free (str);

    return row + 1;
}

static GtkWidget *
emfp_get_folder_item (EConfig *ec,
                      EConfigItem *item,
                      GtkWidget *parent,
                      GtkWidget *old,
                      gpointer data)
{
    GObjectClass *class;
    GParamSpec **properties;
    GtkWidget *widget, *table;
    AsyncContext *context = data;
    guint ii, n_properties;
    gint row = 0;

    if (old)
        return old;

    table = gtk_table_new (2, 2, FALSE);
    gtk_table_set_row_spacings ((GtkTable *) table, 6);
    gtk_table_set_col_spacings ((GtkTable *) table, 12);
    gtk_widget_show (table);
    gtk_box_pack_start ((GtkBox *) parent, table, TRUE, TRUE, 0);

    /* To be on the safe side, ngettext is used here,
     * see e.g. comment #3 at bug 272567 */
    row = add_numbered_row (
        GTK_TABLE (table), row,
        ngettext (
            "Unread messages:",
            "Unread messages:",
            context->unread),
        "%d", context->unread);

    /* TODO: can this be done in a loop? */
    /* To be on the safe side, ngettext is used here,
     * see e.g. comment #3 at bug 272567 */
    row = add_numbered_row (
        GTK_TABLE (table), row,
        ngettext (
            "Total messages:",
            "Total messages:",
            context->total),
        "%d", context->total);

    if (context->quota_info) {
        CamelFolderQuotaInfo *info;
        CamelFolderQuotaInfo *quota = context->quota_info;

        for (info = quota; info; info = info->next) {
            gchar *descr;
            gint procs;

            /* should not happen, but anyway... */
            if (!info->total)
                continue;

            /* Show quota name only when available and we
             * have more than one quota info. */
            if (info->name && quota->next)
                descr = g_strdup_printf (
                    _("Quota usage (%s):"), _(info->name));
            else
                descr = g_strdup_printf (_("Quota usage"));

            procs = (gint) ((((gdouble) info->used) /
                ((gdouble) info->total)) * 100.0 + 0.5);

            row = add_numbered_row (
                GTK_TABLE (table), row,
                descr, "%d%%", procs);

            g_free (descr);
        }
    }

    class = G_OBJECT_GET_CLASS (context->folder);
    properties = g_object_class_list_properties (class, &n_properties);

    for (ii = 0; ii < n_properties; ii++) {
        const gchar *blurb;

        if ((properties[ii]->flags & CAMEL_PARAM_PERSISTENT) == 0)
            continue;

        blurb = g_param_spec_get_blurb (properties[ii]);

        switch (properties[ii]->value_type) {
            case G_TYPE_BOOLEAN:
                widget = gtk_check_button_new_with_label (blurb);
                g_object_bind_property (
                    context->folder,
                    properties[ii]->name,
                    widget, "active",
                    G_BINDING_BIDIRECTIONAL |
                    G_BINDING_SYNC_CREATE);
                gtk_widget_show (widget);
                gtk_table_attach (
                    GTK_TABLE (table), widget,
                    0, 2, row, row + 1,
                    GTK_FILL | GTK_EXPAND, 0, 0, 0);
                row++;
                break;
            default:
                g_warn_if_reached ();
                break;
        }
    }

    g_free (properties);

    return table;
}

#define EMFP_FOLDER_SECTION (2)

static EMConfigItem emfp_items[] = {
    { E_CONFIG_BOOK, (gchar *) "", NULL },
    { E_CONFIG_PAGE, (gchar *) "00.general", (gchar *) N_("General") },
    { E_CONFIG_SECTION, (gchar *) "00.general/00.folder", NULL /* set by code */ },
    { E_CONFIG_ITEM, (gchar *) "00.general/00.folder/00.info", NULL, emfp_get_folder_item },
};
static gboolean emfp_items_translated = FALSE;

static void
emfp_dialog_run (AsyncContext *context)
{
    GtkWidget *dialog, *w;
    GtkWidget *content_area;
    GSList *l;
    gint32 i,deleted;
    EMConfig *ec;
    EMConfigTargetFolder *target;
    EShellWindow *shell_window;
    EShellView *shell_view;
    CamelStore *local_store;
    CamelStore *parent_store;
    gboolean hide_deleted;
    GConfClient *client;
    const gchar *name;
    const gchar *key;

    shell_view = context->shell_view;
    shell_window = e_shell_view_get_shell_window (shell_view);

    local_store = e_mail_local_get_store ();
    parent_store = camel_folder_get_parent_store (context->folder);

    /* Get number of VISIBLE and DELETED messages, instead of TOTAL
     * messages.  VISIBLE+DELETED gives the correct count that matches
     * the label below the Send & Receive button. */
    name = camel_folder_get_display_name (context->folder);
    context->total = context->folder->summary->visible_count;
    context->unread = context->folder->summary->unread_count;
    deleted = context->folder->summary->deleted_count;

    client = gconf_client_get_default ();
    key = "/apps/evolution/mail/display/show_deleted";
    hide_deleted = !gconf_client_get_bool (client, key, NULL);
    g_object_unref (client);

    /*
       Do the calculation only for those accounts that support VTRASHes
     */
    if (parent_store->flags & CAMEL_STORE_VTRASH) {
        if (CAMEL_IS_VTRASH_FOLDER (context->folder))
            context->total += deleted;
        else if (!hide_deleted && deleted > 0)
            context->total += deleted;
    }

    /*
     * If the folder is junk folder, get total number of mails.
     */
    if (parent_store->flags & CAMEL_STORE_VJUNK)
        context->total = camel_folder_summary_count (
            context->folder->summary);

    if (parent_store == local_store
        && (!strcmp (name, "Drafts")
        || !strcmp (name, "Templates")
        || !strcmp (name, "Inbox")
        || !strcmp (name, "Outbox")
        || !strcmp (name, "Sent"))) {
        emfp_items[EMFP_FOLDER_SECTION].label = gettext (name);
        if (!emfp_items_translated) {
            for (i = 0; i < G_N_ELEMENTS (emfp_items); i++) {
                if (emfp_items[i].label)
                    emfp_items[i].label = _(emfp_items[i].label);
            }
            emfp_items_translated = TRUE;
        }
    } else if (!strcmp (name, "INBOX"))
        emfp_items[EMFP_FOLDER_SECTION].label = _("Inbox");
    else
        emfp_items[EMFP_FOLDER_SECTION].label = (gchar *) name;

    dialog = gtk_dialog_new_with_buttons (
        _("Folder Properties"), GTK_WINDOW (shell_window),
        GTK_DIALOG_DESTROY_WITH_PARENT,
        GTK_STOCK_CLOSE, GTK_RESPONSE_OK, NULL);
    gtk_window_set_default_size ((GtkWindow *) dialog, 192, 160);

    gtk_widget_ensure_style (dialog);

    content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
    gtk_container_set_border_width (GTK_CONTAINER (content_area), 12);

    /** @HookPoint-EMConfig: Folder Properties Window
     * @Id: org.gnome.evolution.mail.folderConfig
     * @Type: E_CONFIG_BOOK
     * @Class: org.gnome.evolution.mail.config:1.0
     * @Target: EMConfigTargetFolder
     *
     * The folder properties window.
     */
    ec = em_config_new (
        E_CONFIG_BOOK, "org.gnome.evolution.mail.folderConfig");
    l = NULL;
    for (i = 0; i < G_N_ELEMENTS (emfp_items); i++)
        l = g_slist_prepend (l, &emfp_items[i]);
    e_config_add_items ((EConfig *) ec, l, NULL, NULL, emfp_free, context);

    target = em_config_target_new_folder (ec, context->folder);

    e_config_set_target ((EConfig *) ec, (EConfigTarget *) target);
    w = e_config_create_widget ((EConfig *) ec);

    gtk_box_pack_start (GTK_BOX (content_area), w, TRUE, TRUE, 0);

    /* We do 'apply on ok', since instant apply may start some
     * very long running tasks. */

    if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK) {
        e_config_commit ((EConfig *) ec);
        camel_object_state_write (CAMEL_OBJECT (context->folder));
    } else
        e_config_abort ((EConfig *) ec);

    gtk_widget_destroy (dialog);
}

static void
emfp_dialog_got_folder (CamelStore *store,
                        GAsyncResult *result,
                        AsyncContext *context)
{
    EAlertSink *alert_sink;
    GError *error = NULL;

    alert_sink = e_activity_get_alert_sink (context->activity);

    context->folder = camel_store_get_folder_finish (
        store, result, &error);

    if (e_activity_handle_cancellation (context->activity, error)) {
        g_warn_if_fail (context->folder == NULL);
        async_context_free (context);
        g_error_free (error);
        return;

    } else if (error != NULL) {
        g_warn_if_fail (context->folder == NULL);
        e_alert_submit (
            alert_sink, "folder-open",
            error->message, NULL);
        async_context_free (context);
        g_error_free (error);
        return;
    }

    g_return_if_fail (CAMEL_IS_FOLDER (context->folder));

    /* FIXME This blocks, but Camel does not offer an async function. */
    context->quota_info = camel_folder_get_quota_info (context->folder);

    /* Finalize the activity here so we don't leave a message
     * in the task bar while the properties window is shown. */
    e_activity_set_state (context->activity, E_ACTIVITY_COMPLETED);
    g_object_unref (context->activity);
    context->activity = NULL;

    emfp_dialog_run (context);

    async_context_free (context);
}

/**
 * em_folder_properties_show:
 * @shell_view: an #EShellView
 * @folder_uri: a folder URI
 *
 * Show folder properties for @folder_uri.
 **/
void
em_folder_properties_show (EShellView *shell_view,
                           const gchar *folder_uri)
{
    EShellBackend *shell_backend;
    EShellContent *shell_content;
    EMailBackend *backend;
    EMailSession *session;
    EAlertSink *alert_sink;
    GCancellable *cancellable;
    AsyncContext *context;
    CamelStore *store = NULL;
    gchar *folder_name = NULL;
    const gchar *uid;
    GError *error = NULL;

    g_return_if_fail (E_IS_SHELL_VIEW (shell_view));
    g_return_if_fail (folder_uri != NULL);

    shell_backend = e_shell_view_get_shell_backend (shell_view);
    shell_content = e_shell_view_get_shell_content (shell_view);

    backend = E_MAIL_BACKEND (shell_backend);
    session = e_mail_backend_get_session (backend);

    e_mail_folder_uri_parse (
        CAMEL_SESSION (session), folder_uri,
        &store, &folder_name, &error);

    /* XXX This is unlikely to fail since the URI comes straight from
     *     EMFolderTreeModel, but leave a breadcrumb if it does fail. */
    if (error != NULL) {
        g_warn_if_fail (store == NULL);
        g_warn_if_fail (folder_name == NULL);
        g_warning ("%s", error->message);
        g_error_free (error);
        return;
    }

    uid = camel_service_get_uid (CAMEL_SERVICE (store));

    /* Show the Edit Rule dialog for Search Folders, but not "Unmatched".
     * "Unmatched" is a special Search Folder which can't be modified. */
    if (g_strcmp0 (uid, "vfolder") == 0) {
        if (g_strcmp0 (folder_name, CAMEL_UNMATCHED_NAME) != 0) {
            vfolder_edit_rule (backend, folder_uri);
            g_object_unref (store);
            g_free (folder_name);
            return;
        }
    }

    /* Open the folder asynchronously. */

    context = g_slice_new0 (AsyncContext);
    context->activity = e_activity_new ();
    context->shell_view = g_object_ref (shell_view);

    alert_sink = E_ALERT_SINK (shell_content);
    e_activity_set_alert_sink (context->activity, alert_sink);

    cancellable = camel_operation_new ();
    e_activity_set_cancellable (context->activity, cancellable);

    e_shell_backend_add_activity (shell_backend, context->activity);

    camel_store_get_folder (
        store, folder_name, 0, G_PRIORITY_DEFAULT, cancellable,
        (GAsyncReadyCallback) emfp_dialog_got_folder, context);

    g_object_unref (cancellable);

    g_object_unref (store);
    g_free (folder_name);
}