com.jrummyapps.busybox.dialogs.BusyBoxAppletDialog.java Source code

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Here is the source code for com.jrummyapps.busybox.dialogs.BusyBoxAppletDialog.java

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/*
 * Copyright (C) 2016 Jared Rummler <jared.rummler@gmail.com>
 *
 * 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.jrummyapps.busybox.dialogs;

import android.app.Activity;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v7.app.AlertDialog;
import android.text.TextUtils;

import com.jrummyapps.android.analytics.Analytics;
import com.jrummyapps.android.dialog.BaseDialogFragment;
import com.jrummyapps.android.shell.tools.BusyBox;
import com.jrummyapps.android.theme.ColorScheme;
import com.jrummyapps.busybox.R;
import com.jrummyapps.busybox.utils.Utils;

import org.json.JSONObject;

import java.lang.ref.WeakReference;
import java.util.HashMap;

public class BusyBoxAppletDialog extends BaseDialogFragment {

    public static void show(Activity activity, String applet) {
        new AppletHelpTask(activity, applet).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
    }

    public static void show(Activity activity, String applet, String help) {
        BusyBoxAppletDialog dialog = new BusyBoxAppletDialog();
        Bundle args = new Bundle();
        args.putString("applet_name", applet);
        args.putString("applet_help", help);
        dialog.setArguments(args);
        dialog.show(activity.getFragmentManager(), "BusyBoxAppletDialog");
        Analytics.newEvent("applet help").put("applet", applet).log();
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        return new AlertDialog.Builder(getActivity()).setTitle(getArguments().getString("applet_name"))
                .setMessage(getArguments().getString("applet_help"))
                .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {

                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                    }
                }).create();
    }

    @Override
    public void onStart() {
        super.onStart();
        ((AlertDialog) getDialog()).getButton(AlertDialog.BUTTON_POSITIVE).setTextColor(ColorScheme.getAccent());
    }

    private static class AppletHelpTask extends AsyncTask<Void, Void, String> {

        private static final HashMap<String, String> CACHE = new HashMap<>();

        private static String json;

        private final WeakReference<Activity> activityWeakReference;
        private final String applet;

        private AppletHelpTask(Activity activity, String name) {
            activityWeakReference = new WeakReference<>(activity);
            applet = name;
        }

        @Override
        protected String doInBackground(Void... params) {
            String help = CACHE.get(applet);
            if (help != null) {
                return help;
            }
            if (BusyBox.get().exists()) {
                try {
                    help = BusyBox.get().getHelp(applet);
                } catch (Exception ignored) {
                }
                if (!TextUtils.isEmpty(help)) {
                    CACHE.put(applet, help);
                    return help;
                }
            }
            try {
                if (json == null) {
                    json = Utils.readRaw(R.raw.busybox_applets);
                }
                help = new JSONObject(json).getString(applet);
                if (help != null) {
                    CACHE.put(applet, help);
                }
            } catch (Exception ignored) {
            }
            return help;
        }

        @Override
        protected void onPostExecute(String help) {
            Activity activity = activityWeakReference.get();
            if (activity == null || activity.isFinishing()) {
                return;
            }
            show(activity, applet, help);
        }

    }

}