org.failedprojects.anjaroot.PackagesFragment.java Source code

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Here is the source code for org.failedprojects.anjaroot.PackagesFragment.java

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/*
 * Copyright 2013 Simon Brakhane
 *
 * This file is part of AnJaRoot.
 *
 * AnJaRoot is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * AnJaRoot is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * AnJaRoot. If not, see http://www.gnu.org/licenses/.
 */
package org.failedprojects.anjaroot;

import java.util.ArrayList;
import java.util.List;

import org.failedprojects.anjaroot.GrantedStorage.OnChangeHandler;
import org.failedprojects.anjaroot.library.AnJaRoot;

import android.app.ActivityManager;
import android.app.ActivityManager.RunningAppProcessInfo;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.Uri;
import android.os.Bundle;
import android.os.Process;
import android.support.v4.app.ListFragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

public class PackagesFragment extends ListFragment implements OnChangeHandler {
    private static final String LOGTAG = "AnjaRoot";
    private PackageManager pm;
    private GrantedStorage storage;

    class PackagesAdapter extends ArrayAdapter<String> {
        private class ViewHolder {
            TextView name;
            TextView pkgname;
            ImageView icon;
        }

        public PackagesAdapter(Context context, List<String> objects) {
            super(context, R.layout.packages_list_item, objects);
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            View v = convertView;
            if (v == null) {
                LayoutInflater inflater = (LayoutInflater) getActivity()
                        .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                v = inflater.inflate(R.layout.packages_list_item, parent, false);

                ViewHolder holder = new ViewHolder();
                holder.name = (TextView) v.findViewById(R.id.name);
                holder.pkgname = (TextView) v.findViewById(R.id.package_name);
                holder.icon = (ImageView) v.findViewById(R.id.icon);
                v.setTag(holder);
            }

            String pkgname = getItem(position);
            try {
                PackageInfo pi = pm.getPackageInfo(pkgname, 0);

                ViewHolder holder = (ViewHolder) v.getTag();
                holder.name.setText(pi.applicationInfo.loadLabel(pm));
                holder.pkgname.setText(pkgname);
                holder.icon.setImageDrawable(pi.applicationInfo.loadIcon(pm));
            } catch (NameNotFoundException e) {
                Log.e(LOGTAG, "Failed to get PackageInfo", e);
            }

            return v;
        }

    }

    public static PackagesFragment newInstance() {
        return new PackagesFragment();
    }

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

        storage = new GrantedStorage(getActivity());
        pm = getActivity().getPackageManager();

        setListAdapter(new PackagesAdapter(getActivity(), storage.getPackages()));
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        PackagesAdapter pa = (PackagesAdapter) getListAdapter();
        final String pkg = pa.getItem(position);
        String pkgname = "";

        try {
            PackageInfo pi = pm.getPackageInfo(pkg, 0);
            pkgname = (String) pi.applicationInfo.loadLabel(pm);
        } catch (NameNotFoundException e) {
            Log.e(LOGTAG, "Failed to load label", e);
        }

        AlertDialog.Builder dialog = new AlertDialog.Builder(getActivity());
        dialog.setTitle(R.string.packages_list_delete_single_title);

        dialog.setMessage(String.format(getString(R.string.packages_list_delete_single_msg), pkgname));
        dialog.setPositiveButton(R.string.packages_list_delete_single_positive, new OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                // this will trigger the OnChangeHandler
                storage.removePackage(pkg);

                List<String> remove = new ArrayList<String>(1);
                remove.add(pkg);
                killProcesses(new ArrayList<String>(remove));
            }
        });
        dialog.setNegativeButton(R.string.packages_list_delete_single_negative, null);
        dialog.create().show();
    }

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

        PackagesAdapter pa = (PackagesAdapter) getListAdapter();
        pa.clear();

        storage.forceReload();

        for (String pkg : storage.getPackages()) {
            pa.add(pkg);
        }
        storage.startObserving(this);
    }

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

        storage.stopObserving();
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        return inflater.inflate(R.layout.packages_list, container, false);
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.packages_list_menu, menu);

        if (isDonateAppPresent()) {
            menu.removeItem(R.id.action_buy_donate);
        }
        super.onCreateOptionsMenu(menu, inflater);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.action_delete_all:
            AlertDialog.Builder dialog = new AlertDialog.Builder(getActivity());
            dialog.setTitle(R.string.packages_list_delete_all_title);
            dialog.setMessage(R.string.packages_list_delete_all_msg);
            dialog.setPositiveButton(R.string.packages_list_delete_all_positive, new OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    List<String> remove = storage.getPackages();
                    storage.removeAll();
                    killProcesses(remove);
                }
            });
            dialog.setNegativeButton(R.string.packages_list_delete_all_negative, null);
            dialog.create().show();
            return true;
        case R.id.action_buy_donate:
            Intent intent = new Intent(Intent.ACTION_VIEW);
            intent.setData(Uri.parse("market://details?id=org.failedprojects.anjaroot.donate"));
            startActivity(intent);
            return true;
        case R.id.action_info:
            MainActivity activity = (MainActivity) getActivity();
            activity.openInfoFragment();
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }

    }

    public void killProcesses(List<String> pkgs) {
        boolean success = AnJaRoot.gainAccess();
        if (!success) {
            Log.e(LOGTAG, "Failed to gain access, something must be seriously broken...");
            return;
        }

        ActivityManager am = (ActivityManager) getActivity().getSystemService(Context.ACTIVITY_SERVICE);
        List<RunningAppProcessInfo> runningapps = am.getRunningAppProcesses();
        for (RunningAppProcessInfo info : runningapps) {
            for (String pkgname : info.pkgList) {
                if (!pkgs.contains(pkgname)) {
                    continue;
                }

                Log.v(LOGTAG,
                        String.format("Killing %s with pid %d as access has been revoked", pkgname, info.pid));
                Process.killProcess(info.pid);
            }
        }

        success = AnJaRoot.dropAccess();
        if (!success) {
            Log.e(LOGTAG, "Failed to drop access level");
        }
    }

    @Override
    public void onReload(boolean success) {
        getActivity().runOnUiThread(new Runnable() {
            @Override
            public void run() {
                PackagesAdapter pa = (PackagesAdapter) getListAdapter();
                pa.clear();

                for (String pkg : storage.getPackages()) {
                    pa.add(pkg);
                }
            }
        });
    }

    private boolean isDonateAppPresent() {
        int sigmatch = pm.checkSignatures("org.failedprojects.anjaroot", "org.failedprojects.anjaroot.donate");
        if (sigmatch != PackageManager.SIGNATURE_MATCH) {
            return false;
        }

        return true;
    }
}