/*
 * Copyright (C) 2008 Esmertec AG.
 * Copyright (C) 2008 The Android Open Source Project
 *
 * 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.
 */
package com.android.im.plugin;

import java.util.Map;

/**
 * The methods used to map presence value sent in protocol to predefined
 * presence status.
 */
public interface PresenceMapping {
    /**
     * Tells if the mapping needs all presence values sent in protocol. If this
     * method returns true, the framework will pass all the presence values
     * received from the server when map to the predefined status.
     *
     * @return true if needs; false otherwise.
     */
    boolean requireAllPresenceValues();

    /**
     * Map the presence values sent in protocol to the predefined presence
     * status.
     *
     * @param onlineStatus The value of presence &lt;OnlineStatus&gt; received
     *            from the server.
     * @param userAvailability The value of presence &lt;UserAvailibility&gt;
     *            received from the server.
     * @param allValues The whole presence values received from the server.
     * @return a predefined status.
     * @see #requireAllPresenceValues()
     */
    int getPresenceStatus(boolean onlineStatus, String userAvailability,
            Map<String, Object> allValues);

    /**
     * Gets the value of &lt;OnlineStatus&gt; will be sent to the server when
     * update presence to the predefined status.
     *
     * @param status the predefined status.
     * @return The value of &lt;OnlineStatus&gt; will be sent to the server
     */
    boolean getOnlineStatus(int status);

    /**
     * Gets the value of &lt;UserAvaibility&gt; will be sent to the server when
     * update presence to the predefined status.
     *
     * @param status the predefined status.
     * @return The value of &lt;UserAvaibility&gt; will be sent to the server
     */
    String getUserAvaibility(int status);

    /**
     * Gets the extra presence values other than &lt;OnlineStatus&gt; and
     * &lt;UserAvaibility&gt; will be sent to the server when update presence to
     * the predefined status.
     *
     * @param status the predefined status.
     * @return The extra values that will be sent to the server.
     */
    Map<String, Object> getExtra(int status);

    /**
     * Gets an array of the supported presence status. The client can only update
     * presence to the values in the array.
     *
     * @return an array of the supported presence status.
     */
    int[] getSupportedPresenceStatus();
}