path: root/mail/e-mail-account-manager.c

/*
 * e-mail-account-manager.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/>
 *
 */

#include "e-mail-account-manager.h"

#include <config.h>
#include <glib/gi18n-lib.h>
#include <gdk/gdkkeysyms.h>

#include <libemail-engine/e-mail-session.h>
#include <mail/e-mail-account-tree-view.h>

#define E_MAIL_ACCOUNT_MANAGER_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_MAIL_ACCOUNT_MANAGER, EMailAccountManagerPrivate))

#define DEFAULT_ORDER_RESPONSE GTK_RESPONSE_APPLY

struct _EMailAccountManagerPrivate {
    EMailAccountStore *store;
    gulong row_changed_handler_id;

    GtkWidget *tree_view;       /* not referenced */
    GtkWidget *add_button;      /* not referenced */
    GtkWidget *edit_button;     /* not referenced */
    GtkWidget *delete_button;   /* not referenced */
    GtkWidget *default_button;  /* not referenced */
};

enum {
    PROP_0,
    PROP_STORE
};

enum {
    ADD_ACCOUNT,
    EDIT_ACCOUNT,
    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL];

G_DEFINE_TYPE (
    EMailAccountManager,
    e_mail_account_manager,
    GTK_TYPE_TABLE)

static void
mail_account_manager_add_cb (EMailAccountManager *manager)
{
    e_mail_account_manager_add_account (manager);
}

static void
mail_account_manager_edit_cb (EMailAccountManager *manager)
{
    EMailAccountTreeView *tree_view;
    EMailAccountStore *store;
    ESourceRegistry *registry;
    EMailSession *session;
    CamelService *service;
    ESource *source;
    const gchar *uid;

    store = e_mail_account_manager_get_store (manager);
    session = e_mail_account_store_get_session (store);
    registry = e_mail_session_get_registry (session);

    tree_view = E_MAIL_ACCOUNT_TREE_VIEW (manager->priv->tree_view);
    service = e_mail_account_tree_view_get_selected_service (tree_view);

    uid = camel_service_get_uid (service);
    source = e_source_registry_ref_source (registry, uid);
    g_return_if_fail (source != NULL);

    e_mail_account_manager_edit_account (manager, source);

    g_object_unref (source);
}

static void
mail_account_manager_remove_cb (EMailAccountManager *manager)
{
    EMailAccountTreeView *tree_view;
    EMailAccountStore *store;
    CamelService *service;
    gpointer parent;

    tree_view = E_MAIL_ACCOUNT_TREE_VIEW (manager->priv->tree_view);
    service = e_mail_account_tree_view_get_selected_service (tree_view);

    parent = gtk_widget_get_toplevel (GTK_WIDGET (manager));
    parent = gtk_widget_is_toplevel (parent) ? parent : NULL;

    store = e_mail_account_manager_get_store (manager);
    e_mail_account_store_remove_service (store, parent, service);
}

static void
mail_account_manager_enable_cb (EMailAccountManager *manager)
{
    EMailAccountTreeView *tree_view;
    EMailAccountStore *store;
    CamelService *service;
    gpointer parent;

    tree_view = E_MAIL_ACCOUNT_TREE_VIEW (manager->priv->tree_view);
    service = e_mail_account_tree_view_get_selected_service (tree_view);

    parent = gtk_widget_get_toplevel (GTK_WIDGET (manager));
    parent = gtk_widget_is_toplevel (parent) ? parent : NULL;

    store = e_mail_account_manager_get_store (manager);
    e_mail_account_store_enable_service (store, parent, service);
}

static void
mail_account_manager_disable_cb (EMailAccountManager *manager)
{
    EMailAccountTreeView *tree_view;
    EMailAccountStore *store;
    CamelService *service;
    gpointer parent;

    tree_view = E_MAIL_ACCOUNT_TREE_VIEW (manager->priv->tree_view);
    service = e_mail_account_tree_view_get_selected_service (tree_view);

    parent = gtk_widget_get_toplevel (GTK_WIDGET (manager));
    parent = gtk_widget_is_toplevel (parent) ? parent : NULL;

    store = e_mail_account_manager_get_store (manager);
    e_mail_account_store_disable_service (store, parent, service);
}

static void
mail_account_manager_default_cb (EMailAccountManager *manager)
{
    EMailAccountTreeView *tree_view;
    EMailAccountStore *store;
    CamelService *service;

    tree_view = E_MAIL_ACCOUNT_TREE_VIEW (manager->priv->tree_view);
    service = e_mail_account_tree_view_get_selected_service (tree_view);

    store = e_mail_account_manager_get_store (manager);
    e_mail_account_store_set_default_service (store, service);
}

static void
mail_account_manager_row_activated_cb (GtkTreeView *tree_view,
                                       GtkTreePath *path,
                                       GtkTreeViewColumn *column,
                                       EMailAccountManager *manager)
{
    GtkWidget *edit_button;

    edit_button = manager->priv->edit_button;

    if (gtk_widget_is_sensitive (edit_button))
        gtk_button_clicked (GTK_BUTTON (edit_button));
}

static void
mail_account_manager_info_bar_response_cb (EMailAccountManager *manager,
                                           gint response)
{
    EMailAccountStore *store;

    store = e_mail_account_manager_get_store (manager);

    if (response == DEFAULT_ORDER_RESPONSE)
        e_mail_account_store_reorder_services (store, NULL);
}

static gboolean
mail_account_manager_key_press_event_cb (EMailAccountManager *manager,
                                         GdkEventKey *event)
{
    if (event->keyval == GDK_KEY_Delete) {
        mail_account_manager_remove_cb (manager);
        return TRUE;
    }

    return FALSE;
}

static void
mail_account_manager_row_changed_cb (GtkTreeModel *tree_model,
                                     GtkTreePath *path,
                                     GtkTreeIter *iter,
                                     EMailAccountManager *manager)
{
    GtkTreeView *tree_view;
    GtkTreeSelection *selection;

    tree_view = GTK_TREE_VIEW (manager->priv->tree_view);
    selection = gtk_tree_view_get_selection (tree_view);

    /* Update buttons for the selected row (which is not
     * necessarily the row that changed, but do it anyway). */
    g_signal_emit_by_name (selection, "changed");
}

static void
mail_account_manager_selection_changed_cb (EMailAccountManager *manager,
                                           GtkTreeSelection *selection)
{
    GtkTreeModel *tree_model;
    GtkTreeIter iter;
    EMailAccountStore *store;
    CamelService *default_service;
    CamelService *service;
    GtkWidget *add_button;
    GtkWidget *edit_button;
    GtkWidget *delete_button;
    GtkWidget *default_button;
    gboolean builtin;
    gboolean sensitive;
    gboolean not_default;
    gboolean removable;

    add_button = manager->priv->add_button;
    edit_button = manager->priv->edit_button;
    delete_button = manager->priv->delete_button;
    default_button = manager->priv->default_button;

    if (gtk_tree_selection_get_selected (selection, &tree_model, &iter)) {
        gtk_tree_model_get (
            tree_model, &iter,
            E_MAIL_ACCOUNT_STORE_COLUMN_SERVICE, &service,
            E_MAIL_ACCOUNT_STORE_COLUMN_BUILTIN, &builtin,
            -1);
        removable = !builtin;
    } else {
        service = NULL;
        builtin = FALSE;
        removable = FALSE;
    }

    store = e_mail_account_manager_get_store (manager);
    default_service = e_mail_account_store_get_default_service (store);
    not_default = (service != default_service);

    if (service == NULL)
        gtk_widget_grab_focus (add_button);
    else {
        ESource *source;
        EMailSession *session;
        ESourceRegistry *registry;
        const gchar *uid;

        session = e_mail_account_store_get_session (store);
        registry = e_mail_session_get_registry (session);

        uid = camel_service_get_uid (service);
        source = e_source_registry_ref_source (registry, uid);

        if (source != NULL) {
            ESource *collection;
            const gchar *extension_name;

            extension_name = E_SOURCE_EXTENSION_COLLECTION;
            collection = e_source_registry_find_extension (
                registry, source, extension_name);
            if (collection != NULL) {
                g_object_unref (source);
                source = collection;
            }

            removable = e_source_get_removable (source);

            g_object_unref (source);
        }
    }

    sensitive = (service != NULL && !builtin);
    gtk_widget_set_sensitive (edit_button, sensitive);

    sensitive = (service != NULL && removable);
    gtk_widget_set_sensitive (delete_button, sensitive);

    sensitive = (service != NULL && !builtin && not_default);
    gtk_widget_set_sensitive (default_button, sensitive);
}

static void
mail_account_manager_set_store (EMailAccountManager *manager,
                                EMailAccountStore *store)
{
    g_return_if_fail (E_IS_MAIL_ACCOUNT_STORE (store));
    g_return_if_fail (manager->priv->store == NULL);

    manager->priv->store = g_object_ref (store);
}

static void
mail_account_manager_set_property (GObject *object,
                                   guint property_id,
                                   const GValue *value,
                                   GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_STORE:
            mail_account_manager_set_store (
                E_MAIL_ACCOUNT_MANAGER (object),
                g_value_get_object (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_account_manager_get_property (GObject *object,
                                   guint property_id,
                                   GValue *value,
                                   GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_STORE:
            g_value_set_object (
                value,
                e_mail_account_manager_get_store (
                E_MAIL_ACCOUNT_MANAGER (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_account_manager_dispose (GObject *object)
{
    EMailAccountManagerPrivate *priv;

    priv = E_MAIL_ACCOUNT_MANAGER_GET_PRIVATE (object);

    if (priv->store != NULL) {
        g_signal_handler_disconnect (
            priv->store, priv->row_changed_handler_id);
        g_object_unref (priv->store);
        priv->store = NULL;
    }

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

static void
mail_account_manager_constructed (GObject *object)
{
    EMailAccountManager *manager;
    EMailAccountStore *store;
    GtkTreeSelection *selection;
    GtkWidget *container;
    GtkWidget *widget;
    gulong handler_id;

    manager = E_MAIL_ACCOUNT_MANAGER (object);
    store = e_mail_account_manager_get_store (manager);

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

    g_object_bind_property (
        store, "busy",
        manager, "sensitive",
        G_BINDING_SYNC_CREATE |
        G_BINDING_INVERT_BOOLEAN);

    handler_id = g_signal_connect (
        store, "row-changed",
        G_CALLBACK (mail_account_manager_row_changed_cb),
        manager);

    /* We disconnect the handler in dispose(). */
    manager->priv->row_changed_handler_id = handler_id;

    gtk_table_resize (GTK_TABLE (manager), 2, 2);
    gtk_table_set_col_spacings (GTK_TABLE (manager), 6);
    gtk_table_set_row_spacings (GTK_TABLE (manager), 0);

    container = GTK_WIDGET (manager);

    widget = gtk_scrolled_window_new (NULL, NULL);
    gtk_scrolled_window_set_policy (
        GTK_SCROLLED_WINDOW (widget),
        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
    gtk_scrolled_window_set_shadow_type (
        GTK_SCROLLED_WINDOW (widget), GTK_SHADOW_IN);
    gtk_table_attach (
        GTK_TABLE (container), widget, 0, 1, 0, 1,
        GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
    gtk_widget_show (widget);

    container = widget;

    widget = e_mail_account_tree_view_new (store);
    gtk_container_add (GTK_CONTAINER (container), widget);
    manager->priv->tree_view = widget;  /* not referenced */
    gtk_widget_show (widget);

    g_signal_connect_swapped (
        widget, "enable",
        G_CALLBACK (mail_account_manager_enable_cb), manager);

    g_signal_connect_swapped (
        widget, "disable",
        G_CALLBACK (mail_account_manager_disable_cb), manager);

    g_signal_connect_swapped (
        widget, "key-press-event",
        G_CALLBACK (mail_account_manager_key_press_event_cb),
        manager);

    g_signal_connect (
        widget, "row-activated",
        G_CALLBACK (mail_account_manager_row_activated_cb), manager);

    selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));

    g_signal_connect_swapped (
        selection, "changed",
        G_CALLBACK (mail_account_manager_selection_changed_cb),
        manager);

    container = GTK_WIDGET (manager);

    widget = gtk_frame_new (NULL);
    gtk_frame_set_shadow_type (
        GTK_FRAME (widget), GTK_SHADOW_IN);
    gtk_table_attach (
        GTK_TABLE (container), widget,
        0, 1, 1, 2, GTK_FILL, 0, 0, 0);
    gtk_widget_show (widget);

    container = widget;

    widget = gtk_info_bar_new ();
    gtk_info_bar_set_message_type (
        GTK_INFO_BAR (widget), GTK_MESSAGE_INFO);
    gtk_info_bar_add_button (
        GTK_INFO_BAR (widget),
        _("_Restore Default"),
        DEFAULT_ORDER_RESPONSE);
    gtk_container_add (GTK_CONTAINER (container), widget);
    gtk_widget_show (widget);

    g_signal_connect_swapped (
        widget, "response",
        G_CALLBACK (mail_account_manager_info_bar_response_cb),
        manager);

    container = gtk_info_bar_get_content_area (GTK_INFO_BAR (widget));

    widget = gtk_label_new (
        _("You can drag and drop account names to reorder them."));
    gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
    gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
    gtk_widget_show (widget);

    container = GTK_WIDGET (manager);

    widget = gtk_button_box_new (GTK_ORIENTATION_VERTICAL);
    gtk_button_box_set_layout (
        GTK_BUTTON_BOX (widget), GTK_BUTTONBOX_START);
    gtk_box_set_spacing (GTK_BOX (widget), 6);
    gtk_table_attach (
        GTK_TABLE (container), widget,
        1, 2, 0, 2, 0, GTK_FILL, 0, 0);
    gtk_widget_show (widget);

    container = widget;

    widget = gtk_button_new_from_stock (GTK_STOCK_ADD);
    gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
    manager->priv->add_button = widget;  /* not referenced */
    gtk_widget_show (widget);

    g_signal_connect_swapped (
        widget, "clicked",
        G_CALLBACK (mail_account_manager_add_cb), manager);

    widget = gtk_button_new_from_stock (GTK_STOCK_EDIT);
    gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
    manager->priv->edit_button = widget;  /* not referenced */
    gtk_widget_show (widget);

    g_signal_connect_swapped (
        widget, "clicked",
        G_CALLBACK (mail_account_manager_edit_cb), manager);

    widget = gtk_button_new_from_stock (GTK_STOCK_DELETE);
    gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
    manager->priv->delete_button = widget;  /* not referenced */
    gtk_widget_show (widget);

    g_signal_connect_swapped (
        widget, "clicked",
        G_CALLBACK (mail_account_manager_remove_cb), manager);

    widget = gtk_button_new_with_mnemonic (_("De_fault"));
    gtk_button_set_image (
        GTK_BUTTON (widget),
        gtk_image_new_from_icon_name (
        "emblem-default", GTK_ICON_SIZE_BUTTON));
    gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
    manager->priv->default_button = widget;  /* not referenced */
    gtk_widget_show (widget);

    g_signal_connect_swapped (
        widget, "clicked",
        G_CALLBACK (mail_account_manager_default_cb), manager);

    /* Initialize button states. */
    g_signal_emit_by_name (selection, "changed");
}

static void
e_mail_account_manager_class_init (EMailAccountManagerClass *class)
{
    GObjectClass *object_class;

    g_type_class_add_private (class, sizeof (EMailAccountManagerPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = mail_account_manager_set_property;
    object_class->get_property = mail_account_manager_get_property;
    object_class->dispose = mail_account_manager_dispose;
    object_class->constructed = mail_account_manager_constructed;

    g_object_class_install_property (
        object_class,
        PROP_STORE,
        g_param_spec_object (
            "store",
            "Store",
            NULL,
            E_TYPE_MAIL_ACCOUNT_STORE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT_ONLY |
            G_PARAM_STATIC_STRINGS));

    signals[ADD_ACCOUNT] = g_signal_new (
        "add-account",
        G_OBJECT_CLASS_TYPE (class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (EMailAccountManagerClass, add_account),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    signals[EDIT_ACCOUNT] = g_signal_new (
        "edit-account",
        G_OBJECT_CLASS_TYPE (class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (EMailAccountManagerClass, edit_account),
        NULL, NULL,
        g_cclosure_marshal_VOID__OBJECT,
        G_TYPE_NONE, 1,
        E_TYPE_SOURCE);
}

static void
e_mail_account_manager_init (EMailAccountManager *manager)
{
    manager->priv = E_MAIL_ACCOUNT_MANAGER_GET_PRIVATE (manager);
}

GtkWidget *
e_mail_account_manager_new (EMailAccountStore *store)
{
    g_return_val_if_fail (E_IS_MAIL_ACCOUNT_STORE (store), NULL);

    return g_object_new (
        E_TYPE_MAIL_ACCOUNT_MANAGER,
        "store", store, NULL);
}

EMailAccountStore *
e_mail_account_manager_get_store (EMailAccountManager *manager)
{
    g_return_val_if_fail (E_IS_MAIL_ACCOUNT_MANAGER (manager), NULL);

    return manager->priv->store;
}

void
e_mail_account_manager_add_account (EMailAccountManager *manager)
{
    g_return_if_fail (E_IS_MAIL_ACCOUNT_MANAGER (manager));

    g_signal_emit (manager, signals[ADD_ACCOUNT], 0);
}

void
e_mail_account_manager_edit_account (EMailAccountManager *manager,
                                     ESource *source)
{
    g_return_if_fail (E_IS_MAIL_ACCOUNT_MANAGER (manager));
    g_return_if_fail (E_IS_SOURCE (source));

    g_signal_emit (manager, signals[EDIT_ACCOUNT], 0, source);
}