/*
 * Copyright (C) 2014 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.systemui.statusbar.policy;

import android.content.Intent;

public interface NetworkController {

    boolean hasMobileDataFeature();
    void addNetworkSignalChangedCallback(NetworkSignalChangedCallback cb);
    void removeNetworkSignalChangedCallback(NetworkSignalChangedCallback cb);
    void setWifiEnabled(boolean enabled);
    void onUserSwitched(int newUserId);
    AccessPointController getAccessPointController();
    MobileDataController getMobileDataController();

    public interface NetworkSignalChangedCallback {
        void onWifiSignalChanged(boolean enabled, boolean connected, int wifiSignalIconId,
                boolean activityIn, boolean activityOut,
                String wifiSignalContentDescriptionId, String description);
        void onMobileDataSignalChanged(boolean enabled, int mobileSignalIconId,
                String mobileSignalContentDescriptionId, int dataTypeIconId,
                boolean activityIn, boolean activityOut,
                String dataTypeContentDescriptionId, String description,
                boolean isDataTypeIconWide);
        void onNoSimVisibleChanged(boolean visible);
        void onAirplaneModeChanged(boolean enabled);
        void onMobileDataEnabled(boolean enabled);
    }

    /**
     * Tracks changes in access points.  Allows listening for changes, scanning for new APs,
     * and connecting to new ones.
     */
    public interface AccessPointController {
        void addAccessPointCallback(AccessPointCallback callback);
        void removeAccessPointCallback(AccessPointCallback callback);
        void scanForAccessPoints();
        boolean connect(AccessPoint ap);
        boolean canConfigWifi();

        public interface AccessPointCallback {
            void onAccessPointsChanged(AccessPoint[] accessPoints);
            void onSettingsActivityTriggered(Intent settingsIntent);
        }

        public static class AccessPoint {
            public static final int NO_NETWORK = -1;  // see WifiManager

            public int networkId;
            public int iconId;
            public String ssid;
            public boolean isConnected;
            public boolean isConfigured;
            public boolean hasSecurity;
            public int level;  // 0 - 5
        }
    }

    /**
     * Tracks mobile data support and usage.
     */
    public interface MobileDataController {
        boolean isMobileDataSupported();
        boolean isMobileDataEnabled();
        void setMobileDataEnabled(boolean enabled);
        DataUsageInfo getDataUsageInfo();

        public static class DataUsageInfo {
            public String carrier;
            public String period;
            public long limitLevel;
            public long warningLevel;
            public long usageLevel;
        }
    }
}