Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/ActivitySummariesActivity.java

package nodomain.freeyourgadget.gadgetbridge.activities;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.v4.content.LocalBroadcastManager;
import android.support.v4.widget.SwipeRefreshLayout;
import android.view.ContextMenu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Toast;

import java.io.IOException;
import java.util.Objects;

import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.adapter.ActivitySummariesAdapter;
import nodomain.freeyourgadget.gadgetbridge.entities.BaseActivitySummary;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
import nodomain.freeyourgadget.gadgetbridge.model.ActivitySummary;
import nodomain.freeyourgadget.gadgetbridge.model.RecordedDataTypes;
import nodomain.freeyourgadget.gadgetbridge.util.AndroidUtils;
import nodomain.freeyourgadget.gadgetbridge.util.GB;

public class ActivitySummariesActivity extends AbstractListActivity<BaseActivitySummary> {

    private int selectedIndex;

    private GBDevice mGBDevice;
    private SwipeRefreshLayout swipeLayout;

    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            switch (Objects.requireNonNull(action)) {
                case GBDevice.ACTION_DEVICE_CHANGED:
                    GBDevice device = intent.getParcelableExtra(GBDevice.EXTRA_DEVICE);
                    mGBDevice = device;
                    if (device.isBusy()) {
                        swipeLayout.setRefreshing(true);
                    } else {
                        boolean wasBusy = swipeLayout.isRefreshing();
                        swipeLayout.setRefreshing(false);
                        if (wasBusy) {
                            refresh();
                        }
                    }
                    break;
            }
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        Bundle extras = getIntent().getExtras();
        if (extras != null) {
            mGBDevice = extras.getParcelable(GBDevice.EXTRA_DEVICE);
        } else {
            throw new IllegalArgumentException("Must provide a device when invoking this activity");
        }

        IntentFilter filterLocal = new IntentFilter();
        filterLocal.addAction(GBDevice.ACTION_DEVICE_CHANGED);
        LocalBroadcastManager.getInstance(this).registerReceiver(mReceiver, filterLocal);

        super.onCreate(savedInstanceState);
        setItemAdapter(new ActivitySummariesAdapter(this));

        getItemListView().setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Object item = parent.getItemAtPosition(position);
                if (item != null) {
                    ActivitySummary summary = (ActivitySummary) item;

                    String gpxTrack = summary.getGpxTrack();
                    if (gpxTrack != null) {
                        showTrack(gpxTrack);
                    } else {
                        GB.toast("This activity does not contain GPX tracks.", Toast.LENGTH_LONG, GB.INFO);
                    }
                }
            }
        });

        getItemListView().setOnCreateContextMenuListener(new View.OnCreateContextMenuListener() {
            @Override
            public void onCreateContextMenu(ContextMenu menu, View v, final ContextMenu.ContextMenuInfo menuInfo) {
                MenuItem delete = menu.add("Delete");
                delete.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
                    @Override
                    public boolean onMenuItemClick(MenuItem item) {
                        deleteItemAt(selectedIndex);
                        return true;
                    }
                });
            }
        });

        getItemListView().setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
            @Override
            public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
                selectedIndex = position;
                return getItemListView().showContextMenu();
            }
        });
        swipeLayout = findViewById(R.id.list_activity_swipe_layout);
        swipeLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
            @Override
            public void onRefresh() {
                fetchTrackData();
            }
        });

        FloatingActionButton fab = findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                fetchTrackData();
            }
        });
    }

    @Override
    protected void onDestroy() {
        LocalBroadcastManager.getInstance(this).unregisterReceiver(mReceiver);
        super.onDestroy();
    }

    private void deleteItemAt(int position) {
        BaseActivitySummary item = getItemAdapter().getItem(position);
        if (item != null) {
            item.delete();
            getItemAdapter().remove(item);
            refresh();
        }
    }

    private void showTrack(String gpxTrack) {
        try {
            AndroidUtils.viewFile(gpxTrack, Intent.ACTION_VIEW, this);
        } catch (IOException e) {
            GB.toast(this, "Unable to display GPX track: " + e.getMessage(), Toast.LENGTH_LONG, GB.ERROR, e);
        }
    }

    private void fetchTrackData() {
        if (mGBDevice.isInitialized() && !mGBDevice.isBusy()) {
            GBApplication.deviceService().onFetchRecordedData(RecordedDataTypes.TYPE_GPS_TRACKS);
        } else {
            swipeLayout.setRefreshing(false);
            if (!mGBDevice.isInitialized()) {
                GB.toast(this, getString(R.string.device_not_connected), Toast.LENGTH_SHORT, GB.ERROR);
            }
        }
    }
}