/*
 * Copyright (c) 2019 Samsung Electronics Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

using System.Collections.Generic;
using System;
using System.ComponentModel;

namespace Tizen.NUI
{
    /// <summary>
    /// The conditions for transitions.
    /// </summary>
    /// Hidden-API which is usually used as Inhouse-API. If required to be opened as Public-API, ACR process is needed.
    [EditorBrowsable(EditorBrowsableState.Never)]
    [FlagsAttribute] public enum TransitionCondition
    {
        /// <summary>
        /// Default when a condition has not been set.
        /// </summary>
        /// Hidden-API which is usually used as Inhouse-API. If required to be opened as Public-API, ACR process is needed.
        [EditorBrowsable(EditorBrowsableState.Never)]
        Unspecified = 0,
        /// <summary>
        /// Animate changing layout to another layout.
        /// </summary>
        /// Hidden-API which is usually used as Inhouse-API. If required to be opened as Public-API, ACR process is needed.
        [EditorBrowsable(EditorBrowsableState.Never)]
        LayoutChanged = 1,
        /// <summary>
        /// Animate adding item.
        /// </summary>
        /// Hidden-API which is usually used as Inhouse-API. If required to be opened as Public-API, ACR process is needed.
        [EditorBrowsable(EditorBrowsableState.Never)]
        Add = 2,
        /// <summary>
        /// Animate removing item.
        /// </summary>
        /// Hidden-API which is usually used as Inhouse-API. If required to be opened as Public-API, ACR process is needed.
        [EditorBrowsable(EditorBrowsableState.Never)]
        Remove = 4,
        /// <summary>
        /// Animation when an item changes due to a sibbling being added.
        /// </summary>
        /// Hidden-API which is usually used as Inhouse-API. If required to be opened as Public-API, ACR process is needed.
        [EditorBrowsable(EditorBrowsableState.Never)]
        ChangeOnAdd = 8,
        /// <summary>
        /// Animation when an item changes due to a sibbling being removed.
        /// </summary>
        /// Hidden-API which is usually used as Inhouse-API. If required to be opened as Public-API, ACR process is needed.
        [EditorBrowsable(EditorBrowsableState.Never)]
        ChangeOnRemove = 16
    }

    /// <summary>
    /// [Draft] Class to hold layout animation and position data
    /// </summary>
    internal struct LayoutData
    {
        /// <summary>
        /// [Draft] Initialized constructor
        /// </summary>
        /// <param name="item">Layout item.</param>
        /// <param name="condition">Condition for the position values.</param>
        /// <param name="left">Left position.</param>
        /// <param name="top">Top position.</param>
        /// <param name="right">Right position.</param>
        /// <param name="bottom">Bottom position.</param>
        public LayoutData( LayoutItem item, TransitionCondition condition, float left, float top, float right, float bottom )
        {
            Item = item;
            ConditionForAnimation = condition;
            Left = left;
            Top = top;
            Right = right;
            Bottom = bottom;
        }

        public LayoutItem Item{ get;}

        public TransitionCondition ConditionForAnimation{get;}

        public float Left{get;}
        public float Top{get;}
        public float Right{get;}
        public float Bottom{get;}

    };

} // namespace Tizen.NUI