wimax: Move settings helper to framework

/*

 * Copyright (C) 2011 The CyanogenMod 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.wimax;

import android.content.Context;

/*

 * Copyright (C) 2011 The CyanogenMod 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.wimax;

import android.content.Context;

import android.util.Log;

import java.lang.reflect.Method;

/* @hide */

public class WimaxSettingsHelper {

    private static final String TAG = "WimaxSettingsHelper";

    private final Object mWimaxController;

    public WimaxSettingsHelper(Context context) {

        mWimaxController = context.getSystemService(Context.WIMAX_SERVICE);

    }

    public boolean isWimaxSupported() {

        return mWimaxController != null;

    }

    public boolean isWimaxEnabled() {

        boolean ret = false;

        try {

            Method m = mWimaxController.getClass().getMethod("isWimaxEnabled");

            ret = (Boolean) m.invoke(mWimaxController);

        } catch (Exception e) {

            Log.e(TAG, "Unable to get WiMAX enabled state!", e);

        }

        return ret;

    }

    public boolean setWimaxEnabled(boolean enabled) {

        boolean ret = false;

        try {

            Method m = mWimaxController.getClass().getMethod("setWimaxEnabled", boolean.class);

            ret = (Boolean) m.invoke(mWimaxController, enabled);

        } catch (Exception e) {

            Log.e(TAG, "Unable to set WiMAX state!", e);

        }

        return ret;

    }

    public int getWimaxState() {

        int ret = 0;

        try {

            Method m = mWimaxController.getClass().getMethod("getWimaxState");

            ret = (Integer) m.invoke(mWimaxController);

        } catch (Exception e) {

            Log.e(TAG, "Unable to get WiMAX state!", e);

        }

        return ret;

    }

    private Object getWimaxInfo() {

        Object wimaxInfo = null;

        try {

            Method getConnectionInfo = mWimaxController.getClass().getMethod("getConnectionInfo");

            wimaxInfo = getConnectionInfo.invoke(mWimaxController);

        } catch (Exception e) {

            Log.e(TAG, "Unable to get a WimaxInfo object!", e);

        }

        return wimaxInfo;

    }

    public int getSignalStrength() {

        int signalStrength = 150;

        Object wimaxInfo = getWimaxInfo();

        if (wimaxInfo != null) {

            try {

                Method getSignalStrength = wimaxInfo.getClass().getMethod("getSignalStrength");

                signalStrength = (Integer) getSignalStrength.invoke(wimaxInfo);

            } catch (Exception e) {

                Log.e(TAG, "Unable to get WiMAX signal strength!", e);

            }

        }

        return signalStrength;

    }

    public int calculateSignalLevel(int rssi, int bars) {

        int signalLevel = 0;

        try {

            Method calculateSignalLevel = mWimaxController.getClass().getMethod("calculateSignalLevel", int.class, int.class);

            signalLevel = (Integer) calculateSignalLevel.invoke(null, rssi, bars);

        } catch (Exception e) {

            Log.e(TAG, "Unable to get WiMAX signal level!", e);

        }

        return signalLevel;

    }

}