PlacemarkInfoWindowAdapter.java

/*
    Montréal Just in Case
    Copyright (C) 2011  Mudar Noufal <mn@mudar.ca>

    Geographic locations of public safety services. A Montréal Open Data
    project.

    This file is part of Montréal Just in Case.

    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 ca.mudar.mtlaucasou.ui.adapter;

import android.location.Location;
import android.support.annotation.Nullable;
import android.text.SpannableString;
import android.text.TextUtils;
import android.view.View;
import android.widget.TextView;

import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.model.Marker;

import ca.mudar.mtlaucasou.R;
import ca.mudar.mtlaucasou.util.GeoUtils;

import static ca.mudar.mtlaucasou.util.LogUtils.makeLogTag;

public class PlacemarkInfoWindowAdapter implements GoogleMap.InfoWindowAdapter {

    private static final String TAG = makeLogTag("PlacemarkInfoWindowAdapter");

    private final View mView;
    private final InfoWindowLocationCallbacks mCallback;

    public PlacemarkInfoWindowAdapter(View view, @Nullable InfoWindowLocationCallbacks callback) {
        mView = view;
        mCallback = callback;
    }

    @Override
    public View getInfoContents(Marker marker) {
        final String title = marker.getTitle();
        String snippet = getSnippetWithDistance(marker);
        final TextView vTitle = (TextView) mView.findViewById(R.id.title);
        final TextView vSnippet = ((TextView) mView.findViewById(R.id.snippet));

        if (title != null) {
            vTitle.setText(title);
        }

        if (snippet != null) {
            vSnippet.setVisibility(View.VISIBLE);
            final SpannableString snippetText = new SpannableString(snippet);
            vSnippet.setText(snippetText);
        } else {
            vSnippet.setVisibility(View.GONE);
        }
        return mView;
    }

    @Override
    public View getInfoWindow(Marker marker) {
        return null;
    }

    private String getSnippetWithDistance(Marker marker) {
        final String snippet = marker.getSnippet();
        if (mCallback != null && mCallback.getUserLocation() != null &&
                !TextUtils.isEmpty(snippet)) {
            float distance = mCallback.getUserLocation().distanceTo(
                    GeoUtils.positionToLocation(marker.getPosition()));

            return mView.getContext().getString(R.string.info_window_snippet_distance,
                    snippet,
                    GeoUtils.getDistanceDisplay(mView.getContext().getApplicationContext(), distance)
            );
        }

        return marker.getSnippet();
    }

    public interface InfoWindowLocationCallbacks {
        Location getUserLocation();
    }
}