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

/*
 * e-mail-shell-view-private.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/>  
 *
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#include "e-mail-shell-view-private.h"

#include <widgets/menus/gal-view-factory-etable.h>

static void
mail_shell_view_folder_tree_selected_cb (EMailShellView *mail_shell_view,
                                         const gchar *full_name,
                                         const gchar *uri,
                                         guint32 flags,
                                         EMFolderTree *folder_tree)
{
    EMailReader *reader;

    reader = E_MAIL_READER (mail_shell_view->priv->mail_shell_content);

    if ((flags & CAMEL_FOLDER_NOSELECT) || full_name == NULL)
        e_mail_reader_set_folder (reader, NULL, NULL);
    else {
        EMFolderTreeModel *model;

        model = em_folder_tree_get_model (folder_tree);
        em_folder_tree_model_set_selected (model, uri);
        em_folder_tree_model_save_state (model);

        e_mail_reader_set_folder_uri (reader, uri);
    }
}

static void
mail_shell_view_folder_tree_popup_event_cb (EShellView *shell_view,
                                            GdkEventButton *event)
{
    const gchar *widget_path;

    widget_path = "/mail-folder-popup";
    e_shell_view_show_popup_menu (shell_view, widget_path, event);
}

static gboolean
mail_shell_view_message_list_right_click_cb (EShellView *shell_view,
                                             gint row,
                                             ETreePath path,
                                             gint col,
                                             GdkEventButton *event)
{
    const gchar *widget_path;

    widget_path = "/mail-message-popup";
    e_shell_view_show_popup_menu (shell_view, widget_path, event);

    return TRUE;
}

static void
mail_shell_view_reader_changed_cb (EMailShellView *mail_shell_view)
{
    EMailShellContent *mail_shell_content;

    mail_shell_content = mail_shell_view->priv->mail_shell_content;
    e_mail_shell_content_update_view_instance (mail_shell_content);
    e_mail_shell_view_update_sidebar (mail_shell_view);
}

static void
mail_shell_view_load_view_collection (EShellViewClass *shell_view_class)
{
    GalViewCollection *collection;
    GalViewFactory *factory;
    ETableSpecification *spec;
    const gchar *base_dir;
    gchar *filename;

    collection = shell_view_class->view_collection;

    base_dir = EVOLUTION_ETSPECDIR;
    spec = e_table_specification_new ();
    filename = g_build_filename (base_dir, ETSPEC_FILENAME, NULL);
    if (!e_table_specification_load_from_file (spec, filename))
        g_critical ("Unable to load ETable specification file "
                "for mail");
    g_free (filename);

    factory = gal_view_factory_etable_new (spec);
    gal_view_collection_add_factory (collection, factory);
    g_object_unref (factory);
    g_object_unref (spec);

    gal_view_collection_load (collection);
}

static void
mail_shell_view_notify_view_id_cb (EMailShellView *mail_shell_view)
{
    EMailShellContent *mail_shell_content;
    GalViewInstance *view_instance;
    const gchar *view_id;

    mail_shell_content = mail_shell_view->priv->mail_shell_content;
    view_instance = NULL;  /* FIXME */
    view_id = e_shell_view_get_view_id (E_SHELL_VIEW (mail_shell_view));

    /* A NULL view ID implies we're in a custom view.  But you can
     * only get to a custom view via the "Define Views" dialog, which
     * would have already modified the view instance appropriately.
     * Furthermore, there's no way to refer to a custom view by ID
     * anyway, since custom views have no IDs. */
    if (view_id == NULL)
        return;

    gal_view_instance_set_current_view_id (view_instance, view_id);
}

void
e_mail_shell_view_private_init (EMailShellView *mail_shell_view,
                                EShellViewClass *shell_view_class)
{
    EMailShellViewPrivate *priv = mail_shell_view->priv;

    /* Note: EMailShellContent retrieves the "mail" action group
     *       by name to satisfy its EMailReader interface. */
    priv->mail_actions = gtk_action_group_new ("mail");
    priv->filter_actions = gtk_action_group_new ("mail-filter");

    if (!gal_view_collection_loaded (shell_view_class->view_collection))
        mail_shell_view_load_view_collection (shell_view_class);

    g_signal_connect (
        mail_shell_view, "notify::view-id",
        G_CALLBACK (mail_shell_view_notify_view_id_cb), NULL);
}

void
e_mail_shell_view_private_constructed (EMailShellView *mail_shell_view)
{
    EMailShellViewPrivate *priv = mail_shell_view->priv;
    EMailShellSidebar *mail_shell_sidebar;
    EShellView *shell_view;
    EShellContent *shell_content;
    EShellSidebar *shell_sidebar;
    EMFolderTreeModel *folder_tree_model;
    EMFolderTree *folder_tree;
    MessageList *message_list;
    EMailReader *reader;
    gchar *uri;

    shell_view = E_SHELL_VIEW (mail_shell_view);
    shell_content = e_shell_view_get_shell_content (shell_view);
    shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);

    /* Cache these to avoid lots of awkward casting. */
    priv->mail_shell_content = g_object_ref (shell_content);
    priv->mail_shell_sidebar = g_object_ref (shell_sidebar);

    reader = E_MAIL_READER (shell_content);
    message_list = e_mail_reader_get_message_list (reader);

    mail_shell_sidebar = E_MAIL_SHELL_SIDEBAR (shell_sidebar);
    folder_tree = e_mail_shell_sidebar_get_folder_tree (mail_shell_sidebar);

    g_signal_connect_swapped (
        folder_tree, "folder-selected",
        G_CALLBACK (mail_shell_view_folder_tree_selected_cb),
        mail_shell_view);

    g_signal_connect_swapped (
        folder_tree, "popup-event",
        G_CALLBACK (mail_shell_view_folder_tree_popup_event_cb),
        mail_shell_view);

    g_signal_connect_swapped (
        message_list->tree, "right-click",
        G_CALLBACK (mail_shell_view_message_list_right_click_cb),
        mail_shell_view);

    g_signal_connect_swapped (
        reader, "changed",
        G_CALLBACK (mail_shell_view_reader_changed_cb),
        mail_shell_view);

    /* Use the same callback as "changed". */
    g_signal_connect_swapped (
        reader, "folder-loaded",
        G_CALLBACK (mail_shell_view_reader_changed_cb),
        mail_shell_view);

    e_mail_shell_view_actions_init (mail_shell_view);
    e_mail_reader_init (reader);

    /* Restore the previously selected folder. */
    folder_tree_model = em_folder_tree_get_model (folder_tree);
    uri = em_folder_tree_model_get_selected (folder_tree_model);
    if (uri != NULL) {
        gboolean expanded;

        expanded = em_folder_tree_model_get_expanded_uri (
            folder_tree_model, uri);
        em_folder_tree_set_selected (folder_tree, uri, FALSE);
        e_mail_reader_set_folder_uri (reader, uri);

        if (!expanded)
            em_folder_tree_model_set_expanded_uri (
                folder_tree_model, uri, expanded);

        g_free (uri);
    }
}

void
e_mail_shell_view_private_dispose (EMailShellView *mail_shell_view)
{
    EMailShellViewPrivate *priv = mail_shell_view->priv;

    DISPOSE (priv->mail_actions);
    DISPOSE (priv->filter_actions);

    DISPOSE (priv->mail_shell_content);
    DISPOSE (priv->mail_shell_sidebar);
}

void
e_mail_shell_view_private_finalize (EMailShellView *mail_shell_view)
{
}

void
e_mail_shell_view_update_sidebar (EMailShellView *mail_shell_view)
{
    EShellSidebar *shell_sidebar;
    EShellModule *shell_module;
    EShellView *shell_view;
    EMailReader *reader;
    MessageList *message_list;
    CamelStore *local_store;
    CamelFolder *folder;
    GPtrArray *selected;
    GString *buffer;
    const gchar *display_name;
    const gchar *folder_uri;
    gchar *folder_name;
    gchar *title;
    guint32 num_deleted;
    guint32 num_junked;
    guint32 num_junked_not_deleted;
    guint32 num_unread;
    guint32 num_visible;

    g_return_if_fail (E_IS_MAIL_SHELL_VIEW (mail_shell_view));

    shell_view = E_SHELL_VIEW (mail_shell_view);
    shell_module = e_shell_view_get_shell_module (shell_view);
    shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);
    local_store = e_mail_shell_module_get_local_store (shell_module);

    reader = E_MAIL_READER (mail_shell_view->priv->mail_shell_content);
    message_list = e_mail_reader_get_message_list (reader);
    folder_uri = message_list->folder_uri;
    folder = message_list->folder;

    /* If no folder is selected, reset the sidebar banners
     * to their default values and stop. */
    if (folder == NULL) {
        GtkAction *action;
        gchar *label;

        action = e_shell_view_get_action (shell_view);
        g_object_get (action, "label", &label, NULL);
        e_shell_sidebar_set_primary_text (shell_sidebar, label);
        e_shell_sidebar_set_secondary_text (shell_sidebar, NULL);
        e_shell_view_set_title (shell_view, label);
        g_free (label);
        return;
    }

    camel_object_get (
        folder, NULL,
        CAMEL_FOLDER_NAME, &folder_name,
        CAMEL_FOLDER_DELETED, &num_deleted,
        CAMEL_FOLDER_JUNKED, &num_junked,
        CAMEL_FOLDER_JUNKED_NOT_DELETED, &num_junked_not_deleted,
        CAMEL_FOLDER_UNREAD, &num_unread,
        CAMEL_FOLDER_VISIBLE, &num_visible,
        NULL);

    buffer = g_string_sized_new (256);
    selected = message_list_get_selected (message_list);

    if (selected->len > 1)
        g_string_append_printf (
            buffer, ngettext ("%d selected, ", "%d selected, ",
            selected->len), selected->len);

    if (CAMEL_IS_VTRASH_FOLDER (folder)) {
        CamelVTrashFolder *trash_folder;

        trash_folder = (CamelVTrashFolder *) folder;

        /* "Trash" folder */
        if (trash_folder->type == CAMEL_VTRASH_FOLDER_TRASH)
            g_string_append_printf (
                buffer, ngettext ("%d deleted",
                "%d deleted", num_deleted), num_deleted);

        /* "Junk" folder (hide deleted messages) */
        else if (e_mail_reader_get_hide_deleted (reader))
            g_string_append_printf (
                buffer, ngettext ("%d junk",
                "%d junk", num_junked_not_deleted),
                num_junked_not_deleted);

        /* "Junk" folder (show deleted messages) */
        else
            g_string_append_printf (
                buffer, ngettext ("%d junk", "%d junk",
                num_junked), num_junked);

    /* "Drafts" folder */
    } else if (em_utils_folder_is_drafts (folder, folder_uri)) {
        g_string_append_printf (
            buffer, ngettext ("%d draft", "%d drafts",
            num_visible), num_visible);

    /* "Outbox" folder */
    } else if (em_utils_folder_is_outbox (folder, folder_uri)) {
        g_string_append_printf (
            buffer, ngettext ("%d unsent", "%d unsent",
            num_visible), num_visible);

    /* "Sent" folder */
    } else if (em_utils_folder_is_sent (folder, folder_uri)) {
        g_string_append_printf (
            buffer, ngettext ("%d sent", "%d sent",
            num_visible), num_visible);

    /* Normal folder */
    } else {
        if (!e_mail_reader_get_hide_deleted (reader))
            num_visible +=
                num_deleted - num_junked +
                num_junked_not_deleted;

        if (num_unread > 0 && selected->len <= 1)
            g_string_append_printf (
                buffer, ngettext ("%d unread, ",
                "%d unread, ", num_unread), num_unread);
        g_string_append_printf (
            buffer, ngettext ("%d total", "%d total",
            num_visible), num_visible);
    }

    message_list_free_uids (message_list, selected);

    /* Choose a suitable folder name for displaying. */
    if (folder->parent_store == local_store && (
        strcmp (folder_name, "Drafts") == 0 ||
        strcmp (folder_name, "Inbox") == 0 ||
        strcmp (folder_name, "Outbox") == 0 ||
        strcmp (folder_name, "Sent") == 0 ||
        strcmp (folder_name, "Templates") == 0))
        display_name = _(folder_name);
    else if (strcmp (folder_name, "INBOX") == 0)
        display_name = _("Inbox");
    else
        display_name = folder_name;

    title = g_strdup_printf ("%s (%s)", display_name, buffer->str);
    e_shell_sidebar_set_primary_text (shell_sidebar, display_name);
    e_shell_sidebar_set_secondary_text (shell_sidebar, buffer->str);
    e_shell_view_set_title (shell_view, title);
    g_free (title);

    camel_object_free (folder, CAMEL_FOLDER_NAME, folder_name);
    g_string_free (buffer, TRUE);
}

/* Helper for e_mail_shell_view_create_filter_from_selected() */
static void
mail_shell_view_create_filter_cb (CamelFolder *folder,
                                  const gchar *uid,
                                  CamelMimeMessage *message,
                                  gpointer user_data)
{
    struct {
        const gchar *source;
        gint type;
    } *filter_data = user_data;

    if (message != NULL)
        filter_gui_add_from_message (
            message, filter_data->source, filter_data->type);

    g_free (filter_data);
}

void
e_mail_shell_view_create_filter_from_selected (EMailShellView *mail_shell_view,
                                               gint filter_type)
{
    EMailReader *reader;
    MessageList *message_list;
    CamelFolder *folder;
    const gchar *filter_source;
    const gchar *folder_uri;
    GPtrArray *uids;

    struct {
        const gchar *source;
        gint type;
    } *filter_data;

    g_return_if_fail (E_IS_MAIL_SHELL_VIEW (mail_shell_view));

    reader = E_MAIL_READER (mail_shell_view->priv->mail_shell_content);
    message_list = e_mail_reader_get_message_list (reader);
    folder_uri = message_list->folder_uri;
    folder = message_list->folder;

    if (em_utils_folder_is_sent (folder, folder_uri))
        filter_source = FILTER_SOURCE_OUTGOING;
    else if (em_utils_folder_is_outbox (folder, folder_uri))
        filter_source = FILTER_SOURCE_OUTGOING;
    else
        filter_source = FILTER_SOURCE_INCOMING;

    uids = message_list_get_selected (message_list);

    if (uids->len == 1) {
        filter_data = g_malloc (sizeof (*filter_data));
        filter_data->source = filter_source;
        filter_data->type = filter_type;

        mail_get_message (
            folder, uids->pdata[0],
            mail_shell_view_create_filter_cb,
            filter_data, mail_msg_unordered_push);
    }

    em_utils_uids_free (uids);
}

/* Helper for e_mail_shell_view_create_vfolder_from_selected() */
static void
mail_shell_view_create_vfolder_cb (CamelFolder *folder,
                                   const gchar *uid,
                                   CamelMimeMessage *message,
                                   gpointer user_data)
{
    struct {
        gchar *uri;
        gint type;
    } *vfolder_data = user_data;

    if (message != NULL)
        vfolder_gui_add_from_message (
            message, vfolder_data->type, vfolder_data->uri);

    g_free (vfolder_data->uri);
    g_free (vfolder_data);
}

void
e_mail_shell_view_create_vfolder_from_selected (EMailShellView *mail_shell_view,
                                                gint vfolder_type)
{
    EMailReader *reader;
    MessageList *message_list;
    CamelFolder *folder;
    const gchar *folder_uri;
    GPtrArray *uids;

    struct {
        gchar *uri;
        gint type;
    } *vfolder_data;

    g_return_if_fail (E_IS_MAIL_SHELL_VIEW (mail_shell_view));

    reader = E_MAIL_READER (mail_shell_view->priv->mail_shell_content);
    message_list = e_mail_reader_get_message_list (reader);
    folder_uri = message_list->folder_uri;
    folder = message_list->folder;

    uids = message_list_get_selected (message_list);

    if (uids->len == 1) {
        vfolder_data = g_malloc (sizeof (*vfolder_data));
        vfolder_data->uri = g_strdup (folder_uri);
        vfolder_data->type = vfolder_type;

        mail_get_message (
            folder, uids->pdata[0],
            mail_shell_view_create_vfolder_cb,
            vfolder_data, mail_msg_unordered_push);
    }

    em_utils_uids_free (uids);
}