path: root/modules/mail/e-mail-shell-content.c

/*
 * e-mail-shell-content.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-content.h"

#include <glib/gi18n.h>
#include <libedataserver/e-data-server-util.h>

#include <e-util/e-util-private.h>

#include <widgets/menus/gal-view-etable.h>
#include <widgets/menus/gal-view-instance.h>
#include <widgets/misc/e-paned.h>
#include <widgets/misc/e-preview-pane.h>
#include <widgets/misc/e-search-bar.h>

#include <libemail-engine/mail-ops.h>

#include <mail/e-mail-paned-view.h>
#include <mail/e-mail-notebook-view.h>
#include <mail/e-mail-reader.h>
#include <mail/e-mail-reader-utils.h>
#include <mail/em-utils.h>
#include <mail/message-list.h>

#include "e-mail-shell-backend.h"
#include "e-mail-shell-view-actions.h"

#define E_MAIL_SHELL_CONTENT_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_MAIL_SHELL_CONTENT, EMailShellContentPrivate))

struct _EMailShellContentPrivate {
    EMailView *mail_view;
};

enum {
    PROP_0,
    PROP_FORWARD_STYLE,
    PROP_GROUP_BY_THREADS,
    PROP_MAIL_VIEW,
    PROP_REPLY_STYLE
};

/* Forward Declarations */
static void e_mail_shell_content_reader_init
                    (EMailReaderInterface *interface);

G_DEFINE_DYNAMIC_TYPE_EXTENDED (
    EMailShellContent,
    e_mail_shell_content,
    E_TYPE_SHELL_CONTENT,
    0,
    G_IMPLEMENT_INTERFACE_DYNAMIC (
        E_TYPE_MAIL_READER,
        e_mail_shell_content_reader_init))

static void
reconnect_changed_event (EMailReader *child,
                         EMailReader *parent)
{
    g_signal_emit_by_name (parent, "changed");
}

static void
reconnect_folder_loaded_event (EMailReader *child,
               EMailReader *parent)
{
    g_signal_emit_by_name (parent, "folder-loaded");
}

static void
mail_shell_content_view_changed_cb (EMailView *view,
                                    EMailShellContent *content)
{
    g_object_freeze_notify (G_OBJECT (content));
    g_object_notify (G_OBJECT (content), "group-by-threads");
    g_object_thaw_notify (G_OBJECT (content));
}

static void
mail_shell_content_set_property (GObject *object,
                                 guint property_id,
                                 const GValue *value,
                                 GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_FORWARD_STYLE:
            e_mail_reader_set_forward_style (
                E_MAIL_READER (object),
                g_value_get_enum (value));
            return;

        case PROP_GROUP_BY_THREADS:
            e_mail_reader_set_group_by_threads (
                E_MAIL_READER (object),
                g_value_get_boolean (value));
            return;

        case PROP_REPLY_STYLE:
            e_mail_reader_set_reply_style (
                E_MAIL_READER (object),
                g_value_get_enum (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_shell_content_get_property (GObject *object,
                                 guint property_id,
                                 GValue *value,
                                 GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_FORWARD_STYLE:
            g_value_set_enum (
                value, e_mail_reader_get_forward_style (
                E_MAIL_READER (object)));
            return;

        case PROP_GROUP_BY_THREADS:
            g_value_set_boolean (
                value, e_mail_reader_get_group_by_threads (
                E_MAIL_READER (object)));
            return;

        case PROP_MAIL_VIEW:
            g_value_set_object (
                value, e_mail_shell_content_get_mail_view (
                E_MAIL_SHELL_CONTENT (object)));
            return;

        case PROP_REPLY_STYLE:
            g_value_set_enum (
                value, e_mail_reader_get_reply_style (
                E_MAIL_READER (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_shell_content_dispose (GObject *object)
{
    EMailShellContentPrivate *priv;

    priv = E_MAIL_SHELL_CONTENT_GET_PRIVATE (object);

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

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

static void
mail_shell_content_constructed (GObject *object)
{
    EMailShellContentPrivate *priv;
    EShellContent *shell_content;
    EShellView *shell_view;
    GtkWidget *container;
    GtkWidget *widget;

    priv = E_MAIL_SHELL_CONTENT_GET_PRIVATE (object);

    /* Chain up to parent's constructed () method. */
    G_OBJECT_CLASS (e_mail_shell_content_parent_class)->constructed (object);

    shell_content = E_SHELL_CONTENT (object);
    shell_view = e_shell_content_get_shell_view (shell_content);

    /* Build content widgets. */

    container = GTK_WIDGET (object);

    if (e_shell_get_express_mode (e_shell_get_default ())) {
        widget = e_mail_notebook_view_new (shell_view);
        g_signal_connect (
            widget, "view-changed",
            G_CALLBACK (mail_shell_content_view_changed_cb),
            object);
    } else
        widget = e_mail_paned_view_new (shell_view);

    gtk_container_add (GTK_CONTAINER (container), widget);
    priv->mail_view = g_object_ref (widget);
    gtk_widget_show (widget);

    g_signal_connect (
        widget, "changed",
        G_CALLBACK (reconnect_changed_event), object);
    g_signal_connect (
        widget, "folder-loaded",
        G_CALLBACK (reconnect_folder_loaded_event), object);
}

static guint32
mail_shell_content_check_state (EShellContent *shell_content)
{
    EMailShellContent *mail_shell_content;
    EMailReader *reader;

    mail_shell_content = E_MAIL_SHELL_CONTENT (shell_content);

    /* Forward this to our internal EMailView, which
     * also implements the EMailReader interface. */
    reader = E_MAIL_READER (mail_shell_content->priv->mail_view);

    return e_mail_reader_check_state (reader);
}

static void
mail_shell_content_focus_search_results (EShellContent *shell_content)
{
    EMailShellContent *mail_shell_content;
    GtkWidget *message_list;
    EMailReader *reader;

    mail_shell_content = E_MAIL_SHELL_CONTENT (shell_content);

    reader = E_MAIL_READER (mail_shell_content->priv->mail_view);
    message_list = e_mail_reader_get_message_list (reader);

    gtk_widget_grab_focus (message_list);
}

static guint
mail_shell_content_open_selected_mail (EMailReader *reader)
{
    EMailShellContent *mail_shell_content;

    mail_shell_content = E_MAIL_SHELL_CONTENT (reader);

    /* Forward this to our internal EMailView, which
     * also implements the EMailReader interface. */
    reader = E_MAIL_READER (mail_shell_content->priv->mail_view);

    return e_mail_reader_open_selected_mail (reader);
}

static GtkActionGroup *
mail_shell_content_get_action_group (EMailReader *reader,
                                     EMailReaderActionGroup group)
{
    EShellView *shell_view;
    EShellWindow *shell_window;
    EShellContent *shell_content;
    const gchar *group_name;

    shell_content = E_SHELL_CONTENT (reader);
    shell_view = e_shell_content_get_shell_view (shell_content);
    shell_window = e_shell_view_get_shell_window (shell_view);

    switch (group) {
        case E_MAIL_READER_ACTION_GROUP_STANDARD:
            group_name = "mail";
            break;
        case E_MAIL_READER_ACTION_GROUP_SEARCH_FOLDERS:
            group_name = "search-folders";
            break;
        default:
            g_return_val_if_reached (NULL);
    }

    return e_shell_window_get_action_group (shell_window, group_name);
}

static EMailBackend *
mail_shell_content_get_backend (EMailReader *reader)
{
    EMailShellContent *mail_shell_content;

    mail_shell_content = E_MAIL_SHELL_CONTENT (reader);

    /* Forward this to our internal EMailView, which
     * also implements the EMailReader interface. */
    reader = E_MAIL_READER (mail_shell_content->priv->mail_view);

    return e_mail_reader_get_backend (reader);
}

static EMailDisplay *
mail_shell_content_get_mail_display (EMailReader *reader)
{
    EMailShellContent *mail_shell_content;

    mail_shell_content = E_MAIL_SHELL_CONTENT (reader);

    /* Forward this to our internal EMailView, which
     * also implements the EMailReader interface. */
    reader = E_MAIL_READER (mail_shell_content->priv->mail_view);
    return e_mail_reader_get_mail_display (reader);
}

static gboolean
mail_shell_content_get_hide_deleted (EMailReader *reader)
{
    EMailShellContent *mail_shell_content;

    mail_shell_content = E_MAIL_SHELL_CONTENT (reader);

    /* Forward this to our internal EMailView, which
     * also implements the EMailReader interface. */
    reader = E_MAIL_READER (mail_shell_content->priv->mail_view);

    return e_mail_reader_get_hide_deleted (reader);
}

static GtkWidget *
mail_shell_content_get_message_list (EMailReader *reader)
{
    EMailShellContent *mail_shell_content;

    mail_shell_content = E_MAIL_SHELL_CONTENT (reader);

    /* Forward this to our internal EMailView, which
     * also implements the EMailReader interface. */
    reader = E_MAIL_READER (mail_shell_content->priv->mail_view);

    return e_mail_reader_get_message_list (reader);
}

static GtkMenu *
mail_shell_content_get_popup_menu (EMailReader *reader)
{
    EMailShellContent *mail_shell_content;

    mail_shell_content = E_MAIL_SHELL_CONTENT (reader);

    /* Forward this to our internal EMailView, which
     * also implements the EMailReader interface. */
    reader = E_MAIL_READER (mail_shell_content->priv->mail_view);

    return e_mail_reader_get_popup_menu (reader);
}

static EPreviewPane *
mail_shell_content_get_preview_pane (EMailReader *reader)
{
    EMailShellContent *mail_shell_content;

    mail_shell_content = E_MAIL_SHELL_CONTENT (reader);

    /* Forward this to our internal EMailView, which
     * also implements the EMailReader interface. */
    reader = E_MAIL_READER (mail_shell_content->priv->mail_view);

    return e_mail_reader_get_preview_pane (reader);
}

static GtkWindow *
mail_shell_content_get_window (EMailReader *reader)
{
    EMailShellContent *mail_shell_content;

    mail_shell_content = E_MAIL_SHELL_CONTENT (reader);

    /* Forward this to our internal EMailView, which
     * also implements the EMailReader interface. */
    reader = E_MAIL_READER (mail_shell_content->priv->mail_view);

    return e_mail_reader_get_window (reader);
}

static void
mail_shell_content_set_folder (EMailReader *reader,
                               CamelFolder *folder)
{
    EMailShellContent *mail_shell_content;

    mail_shell_content = E_MAIL_SHELL_CONTENT (reader);

    /* Forward this to our internal EMailView, which
     * also implements the EMailReader interface. */
    reader = E_MAIL_READER (mail_shell_content->priv->mail_view);

    return e_mail_reader_set_folder (reader, folder);
}

static void
e_mail_shell_content_class_init (EMailShellContentClass *class)
{
    GObjectClass *object_class;
    EShellContentClass *shell_content_class;

    g_type_class_add_private (class, sizeof (EMailShellContentPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = mail_shell_content_set_property;
    object_class->get_property = mail_shell_content_get_property;
    object_class->dispose = mail_shell_content_dispose;
    object_class->constructed = mail_shell_content_constructed;

    shell_content_class = E_SHELL_CONTENT_CLASS (class);
    shell_content_class->check_state = mail_shell_content_check_state;
    shell_content_class->focus_search_results =
        mail_shell_content_focus_search_results;

    /* Inherited from EMailReader */
    g_object_class_override_property (
        object_class,
        PROP_FORWARD_STYLE,
        "forward-style");

    /* Inherited from EMailReader */
    g_object_class_override_property (
        object_class,
        PROP_GROUP_BY_THREADS,
        "group-by-threads");

    g_object_class_install_property (
        object_class,
        PROP_MAIL_VIEW,
        g_param_spec_object (
            "mail-view",
            "Mail View",
            NULL,
            E_TYPE_MAIL_VIEW,
            G_PARAM_READABLE));

    /* Inherited from EMailReader */
    g_object_class_override_property (
        object_class,
        PROP_REPLY_STYLE,
        "reply-style");
}

static void
e_mail_shell_content_class_finalize (EMailShellContentClass *class)
{
}

static void
e_mail_shell_content_reader_init (EMailReaderInterface *interface)
{
    interface->get_action_group = mail_shell_content_get_action_group;
    interface->get_backend = mail_shell_content_get_backend;
    interface->get_mail_display = mail_shell_content_get_mail_display;
    interface->get_hide_deleted = mail_shell_content_get_hide_deleted;
    interface->get_message_list = mail_shell_content_get_message_list;
    interface->get_popup_menu = mail_shell_content_get_popup_menu;
    interface->get_preview_pane = mail_shell_content_get_preview_pane;
    interface->get_window = mail_shell_content_get_window;
    interface->set_folder = mail_shell_content_set_folder;
    interface->open_selected_mail = mail_shell_content_open_selected_mail;
}

static void
e_mail_shell_content_init (EMailShellContent *mail_shell_content)
{
    mail_shell_content->priv =
        E_MAIL_SHELL_CONTENT_GET_PRIVATE (mail_shell_content);

    /* Postpone widget construction until we have a shell view. */
}

void
e_mail_shell_content_type_register (GTypeModule *type_module)
{
    /* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration
     *     function, so we have to wrap it with a public function in
     *     order to register types from a separate compilation unit. */
    e_mail_shell_content_register_type (type_module);
}

GtkWidget *
e_mail_shell_content_new (EShellView *shell_view)
{
    g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);

    return g_object_new (
        E_TYPE_MAIL_SHELL_CONTENT,
        "shell-view", shell_view, NULL);
}

EMailView *
e_mail_shell_content_get_mail_view (EMailShellContent *mail_shell_content)
{
    g_return_val_if_fail (
        E_IS_MAIL_SHELL_CONTENT (mail_shell_content), NULL);

    return mail_shell_content->priv->mail_view;
}

EShellSearchbar *
e_mail_shell_content_get_searchbar (EMailShellContent *mail_shell_content)
{
    GtkWidget *searchbar;
    EShellView *shell_view;
    EShellContent *shell_content;

    g_return_val_if_fail (
        E_IS_MAIL_SHELL_CONTENT (mail_shell_content), NULL);

    shell_content = E_SHELL_CONTENT (mail_shell_content);
    shell_view = e_shell_content_get_shell_view (shell_content);
    searchbar = e_shell_view_get_searchbar (shell_view);

    return E_SHELL_SEARCHBAR (searchbar);
}