com.google.android.apps.mytracks.fragments.DeleteOneTrackDialogFragment.java Source code

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Here is the source code for com.google.android.apps.mytracks.fragments.DeleteOneTrackDialogFragment.java

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/*
 * Copyright 2012 Google Inc.
 *
 * 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.google.android.apps.mytracks.fragments;

import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
import com.google.android.apps.mytracks.services.TrackRecordingServiceConnection;
import com.google.android.apps.mytracks.util.DialogUtils;
import com.google.android.apps.mytracks.util.IntentUtils;
import com.google.android.apps.mytracks.util.PreferencesUtils;
import com.google.android.apps.mytracks.util.TrackRecordingServiceConnectionUtils;
import com.nogago.android.tracks.R;
import com.nogago.android.tracks.TrackListActivity;

import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;

/**
 * A DialogFragment to delete one track.
 * 
 * @author Jimmy Shih
 */
public class DeleteOneTrackDialogFragment extends DialogFragment {

    public static final String DELETE_ONE_TRACK_DIALOG_TAG = "deleteOneTrackDialog";
    private static final String KEY_TRACK_ID = "trackId";

    /**
     * Interface for caller of this dialog fragment.
     * 
     * @author Jimmy Shih
     */
    public interface DeleteOneTrackCaller {
        public TrackRecordingServiceConnection getTrackRecordingServiceConnection();
    }

    private DeleteOneTrackCaller caller;

    public static DeleteOneTrackDialogFragment newInstance(long trackId) {
        Bundle bundle = new Bundle();
        bundle.putLong(KEY_TRACK_ID, trackId);

        DeleteOneTrackDialogFragment deleteOneTrackDialogFragment = new DeleteOneTrackDialogFragment();
        deleteOneTrackDialogFragment.setArguments(bundle);
        return deleteOneTrackDialogFragment;
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            caller = (DeleteOneTrackCaller) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString() + " must implement DeleteOneTrackCaller");
        }
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        return DialogUtils.createConfirmationDialog(getActivity(), R.string.track_detail_delete_confirm_message,
                new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        final long trackId = getArguments().getLong(KEY_TRACK_ID);
                        final Context context = getActivity();
                        if (trackId == PreferencesUtils.getLong(context, R.string.recording_track_id_key)) {
                            TrackRecordingServiceConnectionUtils.stop(context,
                                    caller.getTrackRecordingServiceConnection(), false);
                        }
                        new Thread(new Runnable() {
                            @Override
                            public void run() {
                                MyTracksProviderUtils.Factory.get(context).deleteTrack(trackId);
                            }
                        }).start();
                        Intent intent = IntentUtils.newIntent(context, TrackListActivity.class);
                        startActivity(intent);
                        // Close the activity since its content can change after delete
                        getActivity().finish();
                    }
                });
    }
}