path: root/modules/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)
 *
 */

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

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

#include "widgets/menus/gal-view-factory-etable.h"
#include "widgets/misc/e-menu-tool-button.h"

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

typedef struct _AsyncContext AsyncContext;

struct _AsyncContext {
    EActivity *activity;
    EMailReader *reader;
    EShellView *shell_view;
};

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

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

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

    g_slice_free (AsyncContext, context);
}

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

    alert_sink = e_activity_get_alert_sink (context->activity);

    folder = camel_store_get_folder_finish (store, result, &error);

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

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

    e_mail_reader_set_folder (context->reader, folder);
    e_shell_view_update_actions (context->shell_view);

    g_object_unref (folder);

    async_context_free (context);
}

static void
mail_shell_view_folder_tree_selected_cb (EMailShellView *mail_shell_view,
                                         CamelStore *store,
                                         const gchar *folder_name,
                                         CamelFolderInfoFlags flags,
                                         EMFolderTree *folder_tree)
{
    EMailShellContent *mail_shell_content;
    EShellView *shell_view;
    EMailReader *reader;
    EMailView *mail_view;
    GCancellable *cancellable;
    AsyncContext *context;
    EActivity *activity;

    shell_view = E_SHELL_VIEW (mail_shell_view);

    mail_shell_content = mail_shell_view->priv->mail_shell_content;
    mail_view = e_mail_shell_content_get_mail_view (mail_shell_content);

    reader = E_MAIL_READER (mail_view);

    /* Cancel any unfinished open folder operations. */
    if (mail_shell_view->priv->opening_folder != NULL) {
        g_cancellable_cancel (mail_shell_view->priv->opening_folder);
        mail_shell_view->priv->opening_folder = NULL;
    }

    /* If we are to clear the message list, do so immediately. */
    if ((flags & CAMEL_FOLDER_NOSELECT) || folder_name == NULL) {
        e_mail_reader_set_folder (reader, NULL);
        e_shell_view_update_actions (shell_view);
        return;
    }

    g_warn_if_fail (CAMEL_IS_STORE (store));

    /* Open the selected folder asynchronously. */

    activity = e_mail_reader_new_activity (reader);
    cancellable = e_activity_get_cancellable (activity);
    mail_shell_view->priv->opening_folder = g_object_ref (cancellable);

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

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

static gboolean
mail_shell_view_folder_tree_key_press_event_cb (EMailShellView *mail_shell_view,
                                                GdkEventKey *event)
{
    EMailShellContent *mail_shell_content;
    EMailView *mail_view;
    gboolean handled = FALSE;

    mail_shell_content = mail_shell_view->priv->mail_shell_content;
    mail_view = e_mail_shell_content_get_mail_view (mail_shell_content);

    if ((event->state & GDK_CONTROL_MASK) != 0)
        goto ctrl;

    /* <keyval> alone */
    switch (event->keyval) {
        case GDK_KEY_period:
        case GDK_KEY_comma:
        case GDK_KEY_bracketleft:
        case GDK_KEY_bracketright:
            goto emit;

        default:
            goto exit;
    }

ctrl:
    /* Ctrl + <keyval> */
    switch (event->keyval) {
        case GDK_KEY_period:
        case GDK_KEY_comma:
            goto emit;

        default:
            goto exit;
    }

    /* All branches jump past this. */
    g_return_val_if_reached (FALSE);

emit:
    /* Forward the key press to the EMailReader interface. */
    g_signal_emit_by_name (mail_view, "key-press-event", event, &handled);

exit:
    return handled;
}

static void
mail_shell_view_folder_tree_selection_done_cb (EMailShellView *mail_shell_view,
                                               GtkWidget *menu)
{
    EMailShellContent *mail_shell_content;
    EMailShellSidebar *mail_shell_sidebar;
    EMFolderTree *folder_tree;
    GtkWidget *message_list;
    EMailReader *reader;
    EMailView *mail_view;
    CamelFolder *folder;
    gchar *list_uri;
    gchar *tree_uri;

    mail_shell_content = mail_shell_view->priv->mail_shell_content;
    mail_view = e_mail_shell_content_get_mail_view (mail_shell_content);

    mail_shell_sidebar = mail_shell_view->priv->mail_shell_sidebar;
    folder_tree = e_mail_shell_sidebar_get_folder_tree (mail_shell_sidebar);

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

    /* Don't use e_mail_reader_get_folder() here.  The fact that the
     * method gets the folder from the message list is supposed to be
     * a hidden implementation detail, and we want to explicitly get
     * the folder URI from the message list here. */
    folder = MESSAGE_LIST (message_list)->folder;
    if (folder)
        list_uri = e_mail_folder_uri_from_folder (folder);
    else
        list_uri = NULL;
    tree_uri = em_folder_tree_get_selected_uri (folder_tree);

    /* If the folder tree and message list disagree on the current
     * folder, reset the folder tree to match the message list. */
    if (list_uri && g_strcmp0 (tree_uri, list_uri) != 0)
        em_folder_tree_set_selected (folder_tree, list_uri, FALSE);

    g_free (list_uri);
    g_free (tree_uri);

    /* Disconnect from the "selection-done" signal. */
    g_signal_handlers_disconnect_by_func (
        menu, mail_shell_view_folder_tree_selection_done_cb,
        mail_shell_view);
}

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

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

    g_signal_connect_object (
        menu, "selection-done",
        G_CALLBACK (mail_shell_view_folder_tree_selection_done_cb),
        shell_view, G_CONNECT_SWAPPED);
}

static gboolean
mail_shell_view_key_press_event_cb (EMailShellView *mail_shell_view,
                                    GdkEventKey *event)
{
    EShellView *shell_view;
    EShellWindow *shell_window;
    GtkAction *action;

    shell_view = E_SHELL_VIEW (mail_shell_view);
    shell_window = e_shell_view_get_shell_window (shell_view);

    if ((event->state & GDK_CONTROL_MASK) != 0)
        return FALSE;

    switch (event->keyval) {
        case GDK_KEY_space:
            action = ACTION (MAIL_SMART_FORWARD);
            break;

        case GDK_KEY_BackSpace:
            action = ACTION (MAIL_SMART_BACKWARD);
            break;

        default:
            return FALSE;
    }

    gtk_action_activate (action);

    return TRUE;
}

static gboolean
mail_shell_view_message_list_key_press_cb (EMailShellView *mail_shell_view,
                                           gint row,
                                           ETreePath path,
                                           gint col,
                                           GdkEvent *event)
{
    return mail_shell_view_key_press_event_cb (
        mail_shell_view, &event->key);
}

static gboolean
mail_shell_view_message_list_popup_menu_cb (EShellView *shell_view)
{
    const gchar *widget_path;

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

    return TRUE;
}

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 gboolean
mail_shell_view_popup_event_cb (EMailShellView *mail_shell_view,
                                GdkEventButton *event,
                                const gchar *uri)
{
    EMailShellContent *mail_shell_content;
    EMFormatHTML *formatter;
    EShellView *shell_view;
    EMailReader *reader;
    EMailView *mail_view;
    EWebView *web_view;
    GtkMenu *menu;

    if (uri != NULL)
        return FALSE;

    mail_shell_content = mail_shell_view->priv->mail_shell_content;
    mail_view = e_mail_shell_content_get_mail_view (mail_shell_content);

    reader = E_MAIL_READER (mail_view);
    formatter = e_mail_reader_get_formatter (reader);
    web_view = em_format_html_get_web_view (formatter);

    if (e_web_view_get_cursor_image (web_view) != NULL)
        return FALSE;

    menu = e_mail_reader_get_popup_menu (reader);
    shell_view = E_SHELL_VIEW (mail_shell_view);
    e_shell_view_update_actions (shell_view);

    if (event == NULL)
        gtk_menu_popup (
            menu, NULL, NULL, NULL, NULL,
            0, gtk_get_current_event_time ());
    else
        gtk_menu_popup (
            menu, NULL, NULL, NULL, NULL,
            event->button, event->time);

    return TRUE;
}

static void
mail_shell_view_scroll_cb (EMailShellView *mail_shell_view,
                           GtkOrientation orientation,
                           GtkScrollType scroll_type,
                           gfloat position,
                           GtkHTML *html)
{
    EShell *shell;
    EShellView *shell_view;
    EShellWindow *shell_window;
    EShellSettings *shell_settings;
    EMailShellContent *mail_shell_content;
    EMailReader *reader;
    EMailView *mail_view;
    EWebView *web_view;
    GtkWidget *message_list;
    gboolean magic_spacebar;

    web_view = E_WEB_VIEW (html);

    if (html->binding_handled || e_web_view_get_caret_mode (web_view))
        return;

    if (orientation != GTK_ORIENTATION_VERTICAL)
        return;

    shell_view = E_SHELL_VIEW (mail_shell_view);
    shell_window = e_shell_view_get_shell_window (shell_view);
    shell = e_shell_window_get_shell (shell_window);
    shell_settings = e_shell_get_shell_settings (shell);

    magic_spacebar = e_shell_settings_get_boolean (
        shell_settings, "mail-magic-spacebar");

    if (!magic_spacebar)
        return;

    mail_shell_content = mail_shell_view->priv->mail_shell_content;
    mail_view = e_mail_shell_content_get_mail_view (mail_shell_content);

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

    if (scroll_type == GTK_SCROLL_PAGE_FORWARD)
        message_list_select (
            MESSAGE_LIST (message_list),
            MESSAGE_LIST_SELECT_NEXT,
            0, CAMEL_MESSAGE_SEEN);
    else
        message_list_select (
            MESSAGE_LIST (message_list),
            MESSAGE_LIST_SELECT_PREVIOUS,
            0, CAMEL_MESSAGE_SEEN);
}

static void
mail_shell_view_reader_changed_cb (EMailShellView *mail_shell_view,
                                   EMailReader *reader)
{
    GtkWidget *message_list;
    EMFormatHTML *formatter;
    EWebView *web_view;
    EShellView *shell_view;
    EShellTaskbar *shell_taskbar;

    shell_view = E_SHELL_VIEW (mail_shell_view);
    shell_taskbar = e_shell_view_get_shell_taskbar (shell_view);

    formatter = e_mail_reader_get_formatter (reader);
    message_list = e_mail_reader_get_message_list (reader);
    web_view = em_format_html_get_web_view (formatter);

    e_shell_view_update_actions (E_SHELL_VIEW (mail_shell_view));
    e_mail_shell_view_update_sidebar (mail_shell_view);

    /* Connect if its not connected already */
    if (g_signal_handler_find (
        message_list, G_SIGNAL_MATCH_FUNC, 0, 0, NULL,
        mail_shell_view_message_list_key_press_cb, NULL))
        return;

    g_signal_connect_object (
        message_list, "key-press",
        G_CALLBACK (mail_shell_view_message_list_key_press_cb),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        message_list, "popup-menu",
        G_CALLBACK (mail_shell_view_message_list_popup_menu_cb),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        message_list, "right-click",
        G_CALLBACK (mail_shell_view_message_list_right_click_cb),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        web_view, "key-press-event",
        G_CALLBACK (mail_shell_view_key_press_event_cb),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        web_view, "popup-event",
        G_CALLBACK (mail_shell_view_popup_event_cb),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        web_view, "scroll",
        G_CALLBACK (mail_shell_view_scroll_cb),
        mail_shell_view,
        G_CONNECT_AFTER | G_CONNECT_SWAPPED);

    g_signal_connect_object (
        web_view, "status-message",
        G_CALLBACK (e_shell_taskbar_set_message),
        shell_taskbar, G_CONNECT_SWAPPED);
}

static void
mail_shell_view_reader_update_actions_cb (EMailReader *reader,
                      guint32 state,
                      EMailShellView *mail_shell_view)
{
    EMailShellContent *mail_shell_content;

    g_return_if_fail (mail_shell_view != NULL);
    g_return_if_fail (mail_shell_view->priv != NULL);

    mail_shell_content = mail_shell_view->priv->mail_shell_content;
    e_mail_reader_update_actions (E_MAIL_READER (mail_shell_content), state);
}

static void
mail_shell_view_prepare_for_quit_done_cb (CamelFolder *folder,
                                          gpointer user_data)
{
    g_object_unref (E_ACTIVITY (user_data));
}

static void
mail_shell_view_prepare_for_quit_cb (EMailShellView *mail_shell_view,
                                     EActivity *activity)
{
    EMailShellContent *mail_shell_content;
    CamelFolder *folder;
    EMailReader *reader;
    EMailView *mail_view;
    GtkWidget *message_list;

    /* If we got here, it means the application is shutting down
     * and this is the last EMailShellView instance.  Synchronize
     * the currently selected folder before we terminate. */

    mail_shell_content = mail_shell_view->priv->mail_shell_content;
    mail_view = e_mail_shell_content_get_mail_view (mail_shell_content);

    reader = E_MAIL_READER (mail_view);
    folder = e_mail_reader_get_folder (reader);
    message_list = e_mail_reader_get_message_list (reader);

    message_list_save_state (MESSAGE_LIST (message_list));

    if (folder == NULL)
        return;

    mail_sync_folder (
        folder,
        mail_shell_view_prepare_for_quit_done_cb,
        g_object_ref (activity));
}

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;
    EMailView *mail_view;
    const gchar *view_id;

    mail_shell_content = mail_shell_view->priv->mail_shell_content;
    mail_view = e_mail_shell_content_get_mail_view (mail_shell_content);

    view_instance = e_mail_view_get_view_instance (mail_view);
    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)
{
    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;
    EMailShellContent *mail_shell_content;
    EMailShellSidebar *mail_shell_sidebar;
    EShell *shell;
    EShellView *shell_view;
    EShellBackend *shell_backend;
    EShellContent *shell_content;
    EShellSettings *shell_settings;
    EShellSidebar *shell_sidebar;
    EShellTaskbar *shell_taskbar;
    EShellWindow *shell_window;
    EShellSearchbar *searchbar;
    EMFormatHTML *formatter;
    EMFolderTree *folder_tree;
    EActionComboBox *combo_box;
    ERuleContext *context;
    EFilterRule *rule = NULL;
    GtkTreeSelection *selection;
    GtkTreeModel *tree_model;
    GtkUIManager *ui_manager;
    GtkWidget *message_list;
    EMailReader *reader;
    EMailView *mail_view;
    EWebView *web_view;
    const gchar *source;
    guint merge_id;
    gint ii = 0;

    shell_view = E_SHELL_VIEW (mail_shell_view);
    shell_backend = e_shell_view_get_shell_backend (shell_view);
    shell_content = e_shell_view_get_shell_content (shell_view);
    shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);
    shell_taskbar = e_shell_view_get_shell_taskbar (shell_view);
    shell_window = e_shell_view_get_shell_window (shell_view);

    ui_manager = e_shell_window_get_ui_manager (shell_window);

    shell = e_shell_window_get_shell (shell_window);
    shell_settings = e_shell_get_shell_settings (shell);

    tree_model = e_shell_settings_get_object (
        shell_settings, "mail-label-list-store");

    e_shell_window_add_action_group (shell_window, "mail");
    e_shell_window_add_action_group (shell_window, "mail-filter");
    e_shell_window_add_action_group (shell_window, "mail-label");
    e_shell_window_add_action_group (shell_window, "search-folders");

    merge_id = gtk_ui_manager_new_merge_id (ui_manager);
    priv->label_merge_id = merge_id;

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

    mail_shell_sidebar = E_MAIL_SHELL_SIDEBAR (shell_sidebar);
    folder_tree = e_mail_shell_sidebar_get_folder_tree (mail_shell_sidebar);
    selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (folder_tree));

    mail_shell_content = E_MAIL_SHELL_CONTENT (shell_content);
    mail_view = e_mail_shell_content_get_mail_view (mail_shell_content);
    searchbar = e_mail_shell_content_get_searchbar (mail_shell_content);
    combo_box = e_shell_searchbar_get_scope_combo_box (searchbar);

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

    em_folder_tree_set_selectable_widget (folder_tree, message_list);

    /* The folder tree and scope combo box are both insensitive
     * when searching beyond the currently selected folder. */
    g_object_bind_property (
        folder_tree, "sensitive",
        combo_box, "sensitive",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    web_view = em_format_html_get_web_view (formatter);

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

    g_signal_connect_object (
        folder_tree, "key-press-event",
        G_CALLBACK (mail_shell_view_folder_tree_key_press_event_cb),
        mail_shell_view, G_CONNECT_SWAPPED);

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

    g_signal_connect_object (
        message_list, "key-press",
        G_CALLBACK (mail_shell_view_message_list_key_press_cb),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        message_list, "popup-menu",
        G_CALLBACK (mail_shell_view_message_list_popup_menu_cb),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        message_list, "right-click",
        G_CALLBACK (mail_shell_view_message_list_right_click_cb),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        reader, "changed",
        G_CALLBACK (mail_shell_view_reader_changed_cb),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        e_mail_shell_content_get_mail_view (mail_shell_content), "update-actions",
        G_CALLBACK (mail_shell_view_reader_update_actions_cb),
        mail_shell_view, 0);

    g_signal_connect_object (
        reader, "folder-loaded",
        G_CALLBACK (e_mail_view_update_view_instance),
        mail_view, G_CONNECT_SWAPPED);

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

    g_signal_connect_object (
        reader, "folder-loaded",
        G_CALLBACK (e_mail_shell_view_restore_state),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        tree_model, "row-changed",
        G_CALLBACK (e_mail_shell_view_update_search_filter),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        tree_model, "row-deleted",
        G_CALLBACK (e_mail_shell_view_update_search_filter),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        tree_model, "row-inserted",
        G_CALLBACK (e_mail_shell_view_update_search_filter),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        web_view, "key-press-event",
        G_CALLBACK (mail_shell_view_key_press_event_cb),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        web_view, "popup-event",
        G_CALLBACK (mail_shell_view_popup_event_cb),
        mail_shell_view, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        web_view, "scroll",
        G_CALLBACK (mail_shell_view_scroll_cb),
        mail_shell_view,
        G_CONNECT_AFTER | G_CONNECT_SWAPPED);

    g_signal_connect_object (
        web_view, "status-message",
        G_CALLBACK (e_shell_taskbar_set_message),
        shell_taskbar, G_CONNECT_SWAPPED);

    g_signal_connect_object (
        mail_shell_view, "toggled",
        G_CALLBACK (e_mail_shell_view_update_send_receive_menus),
        mail_shell_view, G_CONNECT_AFTER | G_CONNECT_SWAPPED);

    /* Need to keep the handler ID so we can disconnect it in
     * dispose().  The shell outlives us and we don't want it
     * invoking callbacks on finalized shell views. */
    priv->prepare_for_quit_handler_id =
        g_signal_connect_object (
            shell, "prepare-for-quit",
            G_CALLBACK (mail_shell_view_prepare_for_quit_cb),
            mail_shell_view, G_CONNECT_SWAPPED);

    e_mail_reader_init (reader, TRUE, FALSE);
    e_mail_shell_view_actions_init (mail_shell_view);
    e_mail_shell_view_update_search_filter (mail_shell_view);

    /* This binding must come after e_mail_reader_init(). */
    g_object_bind_property (
        shell_content, "group-by-threads",
        mail_view, "group-by-threads",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    /* Populate built-in rules for search entry popup menu.
     * Keep the assertions, please.  If the conditions aren't
     * met we're going to crash anyway, just more mysteriously. */
    context = E_SHELL_VIEW_GET_CLASS (shell_view)->search_context;
    source = E_FILTER_SOURCE_DEMAND;
    while ((rule = e_rule_context_next_rule (context, rule, source))) {
        if (!rule->system)
            continue;
        g_assert (ii < MAIL_NUM_SEARCH_RULES);
        priv->search_rules[ii++] = g_object_ref (rule);
    }
    g_assert (ii == MAIL_NUM_SEARCH_RULES);

    /* Now that we're all set up, simulate selecting a folder. */
    g_signal_emit_by_name (selection, "changed");
}

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

    /* XXX It's a little awkward to have to dig up the
     *     shell this late in the game.  Should we just
     *     keep a direct reference to it?  Not sure. */
    if (priv->prepare_for_quit_handler_id > 0) {
        EShellBackend *shell_backend;
        EShell *shell;

        shell_backend = E_SHELL_BACKEND (priv->mail_shell_backend);
        shell = e_shell_backend_get_shell (shell_backend);

        g_signal_handler_disconnect (
            shell, priv->prepare_for_quit_handler_id);
        priv->prepare_for_quit_handler_id = 0;
    }

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

    for (ii = 0; ii < MAIL_NUM_SEARCH_RULES; ii++)
        DISPOSE (priv->search_rules[ii]);

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

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

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

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

void
e_mail_shell_view_private_finalize (EMailShellView *mail_shell_view)
{
    /* XXX Nothing to do? */
}

void
e_mail_shell_view_restore_state (EMailShellView *mail_shell_view)
{
    EMailShellContent *mail_shell_content;
    EShellSearchbar *searchbar;
    EMailReader *reader;
    EMailView *mail_view;
    CamelFolder *folder;
    CamelVeeFolder *vee_folder;
    const gchar *old_state_group;
    gchar *folder_uri;
    gchar *new_state_group;

    /* XXX Move this to EMailShellContent. */

    g_return_if_fail (E_IS_MAIL_SHELL_VIEW (mail_shell_view));

    mail_shell_content = mail_shell_view->priv->mail_shell_content;
    mail_view = e_mail_shell_content_get_mail_view (mail_shell_content);
    searchbar = e_mail_shell_content_get_searchbar (mail_shell_content);

    reader = E_MAIL_READER (mail_view);
    folder = e_mail_reader_get_folder (reader);

    if (folder == NULL)
        return;

    /* Do not restore state if we're running a "Current Account"
     * or "All Accounts" search, since we don't want the search
     * criteria to be destroyed in those cases. */

    vee_folder = mail_shell_view->priv->search_account_all;
    if (vee_folder != NULL && folder == CAMEL_FOLDER (vee_folder))
        return;

    vee_folder = mail_shell_view->priv->search_account_current;
    if (vee_folder != NULL && folder == CAMEL_FOLDER (vee_folder))
        return;

    folder_uri = e_mail_folder_uri_from_folder (folder);
    new_state_group = g_strdup_printf ("Folder %s", folder_uri);
    old_state_group = e_shell_searchbar_get_state_group (searchbar);
    g_free (folder_uri);

    /* Avoid loading search state unnecessarily. */
    if (g_strcmp0 (new_state_group, old_state_group) != 0) {
        e_shell_searchbar_set_state_group (searchbar, new_state_group);
        e_shell_searchbar_load_state (searchbar);
    }

    g_free (new_state_group);
}

void
e_mail_shell_view_update_sidebar (EMailShellView *mail_shell_view)
{
    EMailShellContent *mail_shell_content;
    EShellSidebar *shell_sidebar;
    EShellView *shell_view;
    EMailReader *reader;
    EMailView *mail_view;
    CamelStore *local_store;
    CamelStore *parent_store;
    CamelFolder *folder;
    GPtrArray *uids;
    GString *buffer;
    const gchar *display_name;
    const 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));

    mail_shell_content = mail_shell_view->priv->mail_shell_content;
    mail_view = e_mail_shell_content_get_mail_view (mail_shell_content);

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

    reader = E_MAIL_READER (mail_view);
    folder = e_mail_reader_get_folder (reader);

    local_store = e_mail_local_get_store ();

    /* 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_secondary_text (shell_sidebar, NULL);
        e_shell_view_set_title (shell_view, label);
        g_free (label);

        return;
    }

    folder_name = camel_folder_get_display_name (folder);
    parent_store = camel_folder_get_parent_store (folder);

    num_deleted = folder->summary->deleted_count;
    num_junked = folder->summary->junk_count;
    num_junked_not_deleted = folder->summary->junk_not_deleted_count;
    num_unread = folder->summary->unread_count;
    num_visible = folder->summary->visible_count;

    buffer = g_string_sized_new (256);
    uids = e_mail_reader_get_selected_uids (reader);

    if (uids->len > 1)
        g_string_append_printf (
            buffer, ngettext ("%d selected, ", "%d selected, ",
            uids->len), uids->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)) {
        g_string_append_printf (
            buffer, ngettext ("%d draft", "%d drafts",
            num_visible), num_visible);

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

    /* "Sent" folder */
    } else if (em_utils_folder_is_sent (folder)) {
        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 && uids->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);
    }

    em_utils_uids_free (uids);

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

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

    g_string_free (buffer, TRUE);
}

void
e_mail_shell_view_send_receive (EMailShellView *mail_shell_view,
                                EMailSendReceiveMode mode,
                                const gchar *account_uid)
{
    EMailSession *session;
    EShellView *shell_view;
    EShellWindow *shell_window;
    EShellBackend *shell_backend;

    g_return_if_fail (mail_shell_view != NULL);

    shell_view = E_SHELL_VIEW (mail_shell_view);
    shell_window = e_shell_view_get_shell_window (shell_view);
    shell_backend = e_shell_view_get_shell_backend (shell_view);

    session = e_mail_backend_get_session (E_MAIL_BACKEND (shell_backend));

    em_utils_clear_get_password_canceled_accounts_flag ();

    if (!account_uid) {
        switch (mode) {
        case E_MAIL_SEND_RECEIVE_BOTH:
            mail_send_receive (GTK_WINDOW (shell_window), session);
            break;
        case E_MAIL_SEND_RECEIVE_RECEIVE:
            mail_receive (GTK_WINDOW (shell_window), session);
            break;
        case E_MAIL_SEND_RECEIVE_SEND:
            mail_send (session);
            break;
        }
    } else {
        /* allow only receive on individual accounts */
        EAccount *account;

        account = e_get_account_by_uid (account_uid);
        g_return_if_fail (account != NULL);

        if (account->enabled && account->source != NULL)
            mail_receive_account (session, account);
    }
}

static GtkMenuItem *
send_receive_find_account_menu_item (GtkMenuShell *menu,
                                     EAccount *account)
{
    GList *children, *child;

    g_return_val_if_fail (menu != NULL, NULL);
    g_return_val_if_fail (account != NULL, NULL);
    g_return_val_if_fail (account->uid != NULL, NULL);

    children = gtk_container_get_children (GTK_CONTAINER (menu));

    for (child = children; child != NULL; child = child->next) {
        GObject *obj = child->data;
        const gchar *uid;

        if (!obj)
            continue;

        uid = g_object_get_data (obj, "e-account-uid");
        if (!uid)
            continue;

        if (g_strcmp0 (uid, account->uid) == 0) {
            g_list_free (children);

            return GTK_MENU_ITEM (obj);
        }
    }

    g_list_free (children);

    return NULL;
}

static gint
send_receive_get_account_index (EAccount *account)
{
    gint res;
    EAccountList *accounts;
    EIterator *iterator;

    g_return_val_if_fail (account != NULL, -1);

    accounts = e_get_account_list ();
    g_return_val_if_fail (accounts != NULL, -1);

    res = 0;
    for (iterator = e_list_get_iterator (E_LIST (accounts));
         e_iterator_is_valid (iterator);
         e_iterator_next (iterator)) {
        EAccount *candidate;
        const gchar *name;

        candidate = (EAccount *) e_iterator_get (iterator);

        if (candidate == NULL)
            continue;

        if (!candidate->enabled)
            continue;

        if (candidate->source == NULL)
            continue;

        if (candidate->source->url == NULL)
            continue;

        if (*candidate->source->url == '\0')
            continue;

        name = e_account_get_string (candidate, E_ACCOUNT_NAME);
        if (name == NULL || *name == '\0')
            continue;

        if (candidate->uid == NULL)
            continue;

        if (*candidate->uid == '\0')
            continue;

        if (g_strcmp0 (candidate->uid, account->uid) == 0) {
            g_object_unref (iterator);
            return res;
        }

        res++;
    }

    g_object_unref (iterator);

    return -1;
}

static void
send_receive_account_item_activate_cb (GtkMenuItem *item,
                                       GtkMenuShell *menu)
{
    EMailShellView *mail_shell_view;
    const gchar *account_uid;

    g_return_if_fail (item != NULL);
    g_return_if_fail (menu != NULL);

    mail_shell_view = g_object_get_data (G_OBJECT (menu), "mail-shell-view");
    g_return_if_fail (mail_shell_view != NULL);

    account_uid = g_object_get_data (G_OBJECT (item), "e-account-uid");
    g_return_if_fail (account_uid != NULL);

    e_mail_shell_view_send_receive (
        mail_shell_view, E_MAIL_SEND_RECEIVE_RECEIVE, account_uid);
}

static void
send_receive_add_to_menu (GtkMenuShell *menu,
                          EAccount *account,
                          gint insert_index)
{
    const gchar *name;
    GtkWidget *item;

    g_return_if_fail (menu != NULL);
    g_return_if_fail (account != NULL);

    if (send_receive_find_account_menu_item (menu, account) != NULL)
        return;

    if (account->source == NULL)
        return;

    if (account->source->url == NULL)
        return;

    if (*account->source->url == '\0')
        return;

    name = e_account_get_string (account, E_ACCOUNT_NAME);
    if (name == NULL || *name == '\0')
        return;

    if (account->uid == NULL)
        return;

    if (*account->uid == '\0')
        return;

    item = gtk_menu_item_new_with_label (name);
    gtk_widget_show (item);
    g_object_set_data_full (
        G_OBJECT (item), "e-account-uid",
        g_strdup (account->uid), g_free);
    g_signal_connect (
        item, "activate",
        G_CALLBACK (send_receive_account_item_activate_cb), menu);

    /* it's index between accounts, not in the menu */
    if (insert_index < 0)
        gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
    else
        gtk_menu_shell_insert (
            GTK_MENU_SHELL (menu), item, insert_index + 4);
}

static void
send_receive_remove_from_menu (GtkMenuShell *menu,
                               EAccount *account)
{
    GtkMenuItem *item;

    g_return_if_fail (menu != NULL);
    g_return_if_fail (account != NULL);

    item = send_receive_find_account_menu_item (menu, account);
    if (item == NULL)
        return;

    gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (item));
}

static void
send_receive_menu_account_added_cb (EAccountList *list,
                                    EAccount *account,
                                    GtkMenuShell *menu)
{
    g_return_if_fail (account != NULL);
    g_return_if_fail (menu != NULL);

    if (account->enabled)
        send_receive_add_to_menu (
            menu, account,
            send_receive_get_account_index (account));
}

static void
send_receive_menu_account_changed_cb (EAccountList *list,
                                      EAccount *account,
                                      GtkMenuShell *menu)
{
    g_return_if_fail (account != NULL);
    g_return_if_fail (menu != NULL);

    if (account->enabled) {
        GtkMenuItem *item;

        item = send_receive_find_account_menu_item (menu, account);

        if (item) {
            if (account->source == NULL ||
                account->source->url == NULL ||
                *account->source->url == '\0') {
                send_receive_remove_from_menu (menu, account);
            } else {
                const gchar *name;

                name = e_account_get_string (
                    account, E_ACCOUNT_NAME);
                if (name != NULL && *name != '\0')
                    gtk_menu_item_set_label (item, name);
            }
        } else {
            send_receive_add_to_menu (
                menu, account,
                send_receive_get_account_index (account));
        }
    } else {
        send_receive_remove_from_menu (menu, account);
    }
}

static void
send_receive_menu_account_removed_cb (EAccountList *list,
                                      EAccount *account,
                                      GtkMenuShell *menu)
{
    g_return_if_fail (account != NULL);
    g_return_if_fail (menu != NULL);

    send_receive_remove_from_menu (menu, account);
}

static void
menu_weak_ref_cb (gpointer accounts,
                  GObject *where_the_object_was)
{
    g_return_if_fail (accounts != NULL);

    g_signal_handlers_disconnect_matched (
        accounts, G_SIGNAL_MATCH_DATA,
        0, 0, NULL, NULL, where_the_object_was);
}

static GtkWidget *
create_send_receive_submenu (EMailShellView *mail_shell_view)
{
    EShellView *shell_view;
    EShellWindow *shell_window;
    EAccountList *accounts;
    GtkWidget *menu;
    GtkAccelGroup *accel_group;
    GtkUIManager *ui_manager;
    GtkAction *action;

    g_return_val_if_fail (mail_shell_view != NULL, NULL);

    shell_view = E_SHELL_VIEW (mail_shell_view);
    shell_window = e_shell_view_get_shell_window (shell_view);

    accounts = e_get_account_list ();
    menu = gtk_menu_new ();
    ui_manager = e_shell_window_get_ui_manager (shell_window);
    accel_group = gtk_ui_manager_get_accel_group (ui_manager);

    action = e_shell_window_get_action (shell_window, "mail-send-receive");
    gtk_action_set_accel_group (action, accel_group);
    gtk_menu_shell_append (
        GTK_MENU_SHELL (menu),
        gtk_action_create_menu_item (action));

    action = e_shell_window_get_action (
        shell_window, "mail-send-receive-receive-all");
    gtk_action_set_accel_group (action, accel_group);
    gtk_menu_shell_append (
        GTK_MENU_SHELL (menu),
        gtk_action_create_menu_item (action));

    action = e_shell_window_get_action (
        shell_window, "mail-send-receive-send-all");
    gtk_action_set_accel_group (action, accel_group);
    gtk_menu_shell_append (
        GTK_MENU_SHELL (menu),
        gtk_action_create_menu_item (action));

    gtk_menu_shell_append (
        GTK_MENU_SHELL (menu),
        gtk_separator_menu_item_new ());

    if (accounts) {
        EIterator *iterator;

        for (iterator = e_list_get_iterator (E_LIST (accounts));
             e_iterator_is_valid (iterator);
             e_iterator_next (iterator)) {
            EAccount *account;

            account = (EAccount *) e_iterator_get (iterator);

            if (account == NULL)
                continue;

            if (!account->enabled)
                continue;

            send_receive_add_to_menu (
                GTK_MENU_SHELL (menu), account, -1);
        }

        g_object_unref (iterator);

        g_signal_connect (
            accounts, "account-added",
            G_CALLBACK (send_receive_menu_account_added_cb), menu);
        g_signal_connect (
            accounts, "account-changed",
            G_CALLBACK (send_receive_menu_account_changed_cb), menu);
        g_signal_connect (
            accounts, "account-removed",
            G_CALLBACK (send_receive_menu_account_removed_cb), menu);

        g_object_weak_ref (
            G_OBJECT (menu), menu_weak_ref_cb, accounts);
    }

    gtk_widget_show_all (menu);

    g_object_set_data (G_OBJECT (menu), "mail-shell-view", mail_shell_view);

    return menu;
}

void
e_mail_shell_view_update_send_receive_menus (EMailShellView *mail_shell_view)
{
    EMailShellViewPrivate *priv;
    EShellWindow *shell_window;
    EShellView *shell_view;
    GtkWidget *widget;
    const gchar *widget_path;

    g_return_if_fail (E_IS_MAIL_SHELL_VIEW (mail_shell_view));

    priv = mail_shell_view->priv;

    shell_view = E_SHELL_VIEW (mail_shell_view);
    shell_window = e_shell_view_get_shell_window (shell_view);

    if (!e_shell_view_is_active (shell_view)) {
        if (priv->send_receive_tool_item) {
            GtkWidget *toolbar;

            toolbar = e_shell_window_get_managed_widget (
                shell_window, "/main-toolbar");
            g_return_if_fail (toolbar != NULL);

            gtk_container_remove (
                GTK_CONTAINER (toolbar),
                GTK_WIDGET (priv->send_receive_tool_item));
            gtk_container_remove (
                GTK_CONTAINER (toolbar),
                GTK_WIDGET (priv->send_receive_tool_separator));

            priv->send_receive_tool_item = NULL;
            priv->send_receive_tool_separator = NULL;
        }

        return;
    }

    widget_path =
        "/main-menu/file-menu"
        "/mail-send-receiver/mail-send-receive-submenu";
    widget = e_shell_window_get_managed_widget (shell_window, widget_path);
    if (widget != NULL)
        gtk_menu_item_set_submenu (
            GTK_MENU_ITEM (widget),
            create_send_receive_submenu (mail_shell_view));

    if (!priv->send_receive_tool_item) {
        GtkWidget *toolbar;
        GtkToolItem *tool_item;
        gint index;

        toolbar = e_shell_window_get_managed_widget (
            shell_window, "/main-toolbar");
        g_return_if_fail (toolbar != NULL);

        widget_path =
            "/main-toolbar/toolbar-actions/mail-send-receiver";
        widget = e_shell_window_get_managed_widget (
            shell_window, widget_path);
        g_return_if_fail (widget != NULL);

        index = gtk_toolbar_get_item_index (
            GTK_TOOLBAR (toolbar), GTK_TOOL_ITEM (widget));

        tool_item = gtk_separator_tool_item_new ();
        gtk_toolbar_insert (GTK_TOOLBAR (toolbar), tool_item, index);
        gtk_widget_show (GTK_WIDGET (tool_item));
        priv->send_receive_tool_separator = tool_item;

        tool_item = GTK_TOOL_ITEM (
            e_menu_tool_button_new (_("Send / Receive")));
        gtk_tool_item_set_is_important (tool_item, TRUE);
        gtk_toolbar_insert (GTK_TOOLBAR (toolbar), tool_item, index);
        gtk_widget_show (GTK_WIDGET (tool_item));
        priv->send_receive_tool_item = tool_item;

        g_object_bind_property (
            ACTION (MAIL_SEND_RECEIVE), "sensitive",
            tool_item, "sensitive",
            G_BINDING_SYNC_CREATE);
    }

    if (priv->send_receive_tool_item)
        gtk_menu_tool_button_set_menu (
            GTK_MENU_TOOL_BUTTON (priv->send_receive_tool_item),
            create_send_receive_submenu (mail_shell_view));
}