ConnectionStatusView.java

/*
 Swisscom Safe Connect
 Copyright (C) 2014 Swisscom

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package com.swisscom.safeconnect.view;

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;

import com.swisscom.safeconnect.R;

/**
 * Created by vadim on 19.09.14.
 */
public class ConnectionStatusView extends RelativeLayout {
    public enum VpnState {
        CONNECTED,
        DISCONNECTED,
        WAITING,
        UNAVAILABLE
    }

    private TextView tvConnStatus;
    private ImageView imgSwitch;
    private VpnState state;
    private PipeProgressBar prBar;

    public ConnectionStatusView(Context context, AttributeSet attrs) {
        super(context, attrs);

        LayoutParams params = new LayoutParams(LayoutParams.WRAP_CONTENT,
                LayoutParams.WRAP_CONTENT);
        params.addRule(RelativeLayout.CENTER_VERTICAL, RelativeLayout.TRUE);
        params.addRule(RelativeLayout.ALIGN_PARENT_RIGHT, RelativeLayout.TRUE);
        params.setMargins(0, 0, (int) (20*getResources().getDisplayMetrics().density), 0);
        tvConnStatus = new PipeTextView(context, attrs);
        tvConnStatus.setLayoutParams(params);
        if (!isInEditMode()) {
            tvConnStatus.setTextAppearance(context, R.style.VpnStatusText);
        }
        tvConnStatus.setCompoundDrawablePadding(10);

        params = new LayoutParams(LayoutParams.WRAP_CONTENT,
                LayoutParams.WRAP_CONTENT);
        params.addRule(RelativeLayout.CENTER_VERTICAL, RelativeLayout.TRUE);
        params.addRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE);
        params.setMargins((int) (10*getResources().getDisplayMetrics().density), 0, 0, 0);
        imgSwitch = new ImageView(context);
        imgSwitch.setImageResource(R.drawable.ic_switch);
        imgSwitch.setLayoutParams(params);

        params = new LayoutParams(LayoutParams.MATCH_PARENT,
                LayoutParams.WRAP_CONTENT);
        params.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM, RelativeLayout.TRUE);
        prBar = new PipeProgressBar(context);
        prBar.setLayoutParams(params);

        addView(imgSwitch);
        addView(tvConnStatus);
        addView(prBar);

        setConnectionState(VpnState.DISCONNECTED);
    }

    public void setConnectionState(VpnState state) {
        VpnState prev = this.state;
        this.state = state;
        prBar.setVisibility(View.GONE);
        switch (state) {
            case CONNECTED:
                tvConnStatus.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_signal_lock, 0, 0, 0);
                tvConnStatus.setText(R.string.lab_vpn_connected);
                setBackgroundResource(R.drawable.conn_status_connected);
                break;
            case DISCONNECTED:
                tvConnStatus.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_signal_unlock, 0, 0, 0);
                tvConnStatus.setText(R.string.lab_vpn_disconnected);
                setBackgroundResource(R.drawable.conn_status_novpn);
                break;
            case WAITING:
                prBar.setVisibility(View.VISIBLE);
                prBar.setProgressBar(prev);
                break;
            case UNAVAILABLE:
                tvConnStatus.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_signal_no_signal, 0, 0, 0);
                tvConnStatus.setText(R.string.lab_vpn_no_network);
                setBackgroundResource(R.drawable.conn_status_nosignal);
                break;
        }
    }

    public void setActionVisible(boolean visible) {
        imgSwitch.setVisibility(visible? View.VISIBLE: View.GONE);
    }

    public VpnState getConnectionState() {
        return state;
    }
}