/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright (C) 2013 Red Hat, Inc.
 */

/**
 * SECTION:nmt-newt-toggle-button
 * @short_description: Toggle buttons
 *
 * #NmtNewtToggleButton implements a two-state toggle button.
 */

#include "nm-default.h"

#include "nmt-newt-toggle-button.h"

G_DEFINE_TYPE(NmtNewtToggleButton, nmt_newt_toggle_button, NMT_TYPE_NEWT_BUTTON)

#define NMT_NEWT_TOGGLE_BUTTON_GET_PRIVATE(o) \
    (G_TYPE_INSTANCE_GET_PRIVATE((o), NMT_TYPE_NEWT_TOGGLE_BUTTON, NmtNewtToggleButtonPrivate))

typedef struct {
    char *   on_label, *off_label;
    gboolean active;
} NmtNewtToggleButtonPrivate;

enum {
    PROP_0,
    PROP_ON_LABEL,
    PROP_OFF_LABEL,
    PROP_ACTIVE,

    LAST_PROP
};

/**
 * nmt_newt_toggle_button_new:
 * @on_label: the button's label when it is in the "on" state
 * @off_label: the button's label when it is in the "off" state
 *
 * Creates a new #NmtNewtToggleButton
 *
 * Returns: a new #NmtNewtToggleButton
 */
NmtNewtWidget *
nmt_newt_toggle_button_new(const char *on_label, const char *off_label)
{
    return g_object_new(NMT_TYPE_NEWT_TOGGLE_BUTTON,
                        "on-label",
                        on_label,
                        "off-label",
                        off_label,
                        NULL);
}

/**
 * nmt_newt_toggle_button_get_active:
 * @button: an #NmtNewtToggleButton
 *
 * Gets whether @button is currently "on" or "off"
 *
 * Returns: whether @button is currently "on" (%TRUE) or "off" (%FALSE)
 */
gboolean
nmt_newt_toggle_button_get_active(NmtNewtToggleButton *button)
{
    NmtNewtToggleButtonPrivate *priv = NMT_NEWT_TOGGLE_BUTTON_GET_PRIVATE(button);

    return priv->active;
}

/**
 * nmt_newt_toggle_button_set_active:
 * @button: an #NmtNewtToggleButton
 * @active: whether @button should be "on" or "off"
 *
 * Sets whether @button is currently "on" or "off"
 */
void
nmt_newt_toggle_button_set_active(NmtNewtToggleButton *button, gboolean active)
{
    NmtNewtToggleButtonPrivate *priv = NMT_NEWT_TOGGLE_BUTTON_GET_PRIVATE(button);

    if (priv->active == active)
        return;

    priv->active = active;
    g_object_set(G_OBJECT(button), "label", active ? priv->on_label : priv->off_label, NULL);
    g_object_notify(G_OBJECT(button), "active");
}

static void
nmt_newt_toggle_button_init(NmtNewtToggleButton *button)
{}

static void
nmt_newt_toggle_button_finalize(GObject *object)
{
    NmtNewtToggleButtonPrivate *priv = NMT_NEWT_TOGGLE_BUTTON_GET_PRIVATE(object);

    g_free(priv->on_label);
    g_free(priv->off_label);

    G_OBJECT_CLASS(nmt_newt_toggle_button_parent_class)->finalize(object);
}

static void
nmt_newt_toggle_button_activated(NmtNewtWidget *widget)
{
    NmtNewtToggleButton *button = NMT_NEWT_TOGGLE_BUTTON(widget);

    nmt_newt_toggle_button_set_active(button, !nmt_newt_toggle_button_get_active(button));

    NMT_NEWT_WIDGET_CLASS(nmt_newt_toggle_button_parent_class)->activated(widget);
}

static void
nmt_newt_toggle_button_set_property(GObject *     object,
                                    guint         prop_id,
                                    const GValue *value,
                                    GParamSpec *  pspec)
{
    NmtNewtToggleButtonPrivate *priv = NMT_NEWT_TOGGLE_BUTTON_GET_PRIVATE(object);

    switch (prop_id) {
    case PROP_ON_LABEL:
        g_free(priv->on_label);
        priv->on_label = g_value_dup_string(value);
        if (priv->active)
            g_object_set(object, "label", priv->on_label, NULL);
        break;
    case PROP_OFF_LABEL:
        g_free(priv->off_label);
        priv->off_label = g_value_dup_string(value);
        if (!priv->active)
            g_object_set(object, "label", priv->off_label, NULL);
        break;
    case PROP_ACTIVE:
        priv->active = g_value_get_boolean(value);
        g_object_set(object, "label", priv->active ? priv->on_label : priv->off_label, NULL);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

static void
nmt_newt_toggle_button_get_property(GObject *   object,
                                    guint       prop_id,
                                    GValue *    value,
                                    GParamSpec *pspec)
{
    NmtNewtToggleButtonPrivate *priv = NMT_NEWT_TOGGLE_BUTTON_GET_PRIVATE(object);

    switch (prop_id) {
    case PROP_ON_LABEL:
        g_value_set_string(value, priv->on_label);
        break;
    case PROP_OFF_LABEL:
        g_value_set_string(value, priv->off_label);
        break;
    case PROP_ACTIVE:
        g_value_set_boolean(value, priv->active);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

static void
nmt_newt_toggle_button_class_init(NmtNewtToggleButtonClass *button_class)
{
    GObjectClass *      object_class = G_OBJECT_CLASS(button_class);
    NmtNewtWidgetClass *widget_class = NMT_NEWT_WIDGET_CLASS(button_class);

    g_type_class_add_private(button_class, sizeof(NmtNewtToggleButtonPrivate));

    /* virtual methods */
    object_class->set_property = nmt_newt_toggle_button_set_property;
    object_class->get_property = nmt_newt_toggle_button_get_property;
    object_class->finalize     = nmt_newt_toggle_button_finalize;

    widget_class->activated = nmt_newt_toggle_button_activated;

    /**
     * NmtNewtToggleButton:on-label:
     *
     * The label the button displays when it is "on".
     */
    g_object_class_install_property(
        object_class,
        PROP_ON_LABEL,
        g_param_spec_string("on-label", "", "", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
    /**
     * NmtNewtToggleButton:off-label:
     *
     * The label the button displays when it is "off".
     */
    g_object_class_install_property(
        object_class,
        PROP_OFF_LABEL,
        g_param_spec_string("off-label", "", "", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
    /**
     * NmtNewtToggleButton:active:
     *
     * Whether the button is currently "on" (%TRUE) or "off" (%FALSE)
     */
    g_object_class_install_property(
        object_class,
        PROP_ACTIVE,
        g_param_spec_boolean("active", "", "", FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}