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

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

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/*
 * Copyright 2013 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.util.PreferencesUtils;
import com.google.android.maps.mytracks.R;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentActivity;

/**
 * A DialogFrament to enable sync.
 * 
 * @author Jimmy Shih
 */
public class EnableSyncDialogFragment extends DialogFragment {

    /**
     * Interface for caller of this dialog fragment.
     * 
     * @author Jimmy Shih
     */
    public interface EnableSyncCaller {

        /**
         * Called when enable sync is done.
         */
        public void onEnableSyncDone(boolean enable);
    }

    public static final String ENABLE_SYNC_DIALOG_TAG = "enableSyncDialog";

    private EnableSyncCaller caller;
    private FragmentActivity fragmentActivity;

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

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        fragmentActivity = getActivity();
        if (PreferencesUtils.getBoolean(fragmentActivity, R.string.drive_sync_key,
                PreferencesUtils.DRIVE_SYNC_DEFAULT)) {
            dismiss();
            caller.onEnableSyncDone(false);
            return;
        }
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        return new AlertDialog.Builder(fragmentActivity).setMessage(R.string.enable_sync_message)
                .setNegativeButton(R.string.generic_cancel, new OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        caller.onEnableSyncDone(false);
                    }
                }).setPositiveButton(R.string.generic_ok, new OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        caller.onEnableSyncDone(true);
                    }
                }).setTitle(R.string.enable_sync_title).create();
    }

    @Override
    public void onCancel(DialogInterface arg0) {
        caller.onEnableSyncDone(false);
    }
}