org.solovyev.android.messenger.accounts.NoInternetConnectionDialog.java Source code

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Here is the source code for org.solovyev.android.messenger.accounts.NoInternetConnectionDialog.java

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/*
 * Copyright 2013 serso aka se.solovyev
 *
 * 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 org.solovyev.android.messenger.accounts;

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentActivity;
import com.google.inject.Inject;
import org.solovyev.android.messenger.accounts.connection.AccountConnectionsService;
import org.solovyev.android.messenger.core.R;
import org.solovyev.android.messenger.notifications.Notifications;
import org.solovyev.android.network.NetworkData;
import org.solovyev.android.network.NetworkStateListener;
import org.solovyev.android.network.NetworkStateService;
import org.solovyev.android.sherlock.AndroidSherlockUtils;
import roboguice.RoboGuice;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public class NoInternetConnectionDialog extends DialogFragment {

    @Inject
    @Nonnull
    private NetworkStateService networkStateService;

    @Inject
    @Nonnull
    private AccountConnectionsService accountConnectionsService;

    @Nonnull
    public static final String TAG = NoInternetConnectionDialog.class.getSimpleName();

    @Nullable
    private NetworkStateListener networkListener;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        RoboGuice.getInjector(getActivity()).injectMembersWithoutViews(this);
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        final AlertDialog.Builder b = new AlertDialog.Builder(getActivity());
        b.setMessage(R.string.mpp_notification_network_problem);
        b.setPositiveButton(R.string.mpp_turn_on_internet, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialogInterface, int i) {
                Notifications.NO_INTERNET_NOTIFICATION.solveOnClick();
            }
        });
        b.setCancelable(false);
        return b.create();
    }

    @Override
    public void onResume() {
        super.onResume();

        if (accountConnectionsService.isInternetConnectionExists()) {
            dismiss();
        } else {
            networkListener = new DialogNetworkStateListener();
            networkStateService.addListener(networkListener);
        }
    }

    @Override
    public void onPause() {
        if (networkListener != null) {
            networkStateService.removeListener(networkListener);
            networkListener = null;
        }

        super.onPause();
    }

    public static void show(@Nonnull FragmentActivity activity) {
        AndroidSherlockUtils.showDialog(new NoInternetConnectionDialog(), TAG,
                activity.getSupportFragmentManager());
    }

    private class DialogNetworkStateListener implements NetworkStateListener {

        @Override
        public void onNetworkEvent(@Nonnull NetworkData networkData) {
            switch (networkData.getState()) {
            case CONNECTED:
                dismiss();
                break;
            }
        }
    }
}