/*
 * Copyright (C) 2009 The Android Open Source Project
 *
 * 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.android.development;

import android.app.Activity;
import android.app.ActivityManagerNative;
import android.app.IActivityController;
import android.app.IActivityManager;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.IPowerManager;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.util.Log;
import android.view.View;
import android.widget.Button;

public class BadBehaviorActivity extends Activity {
    private static final String TAG = "BadBehaviorActivity";

    private static final String BROADCAST_FLOOD = "com.android.development.BROADCAST_FLOOD";

    private Handler mHandler = new Handler();

    private static class BadBehaviorException extends RuntimeException {
        BadBehaviorException() {
            super("Whatcha gonna do, whatcha gonna do",
                    new IllegalStateException("When they come for you"));
        }
    }

    public static class BadReceiver extends BroadcastReceiver {
        @Override
        public void onReceive(Context context, Intent intent) {
            Log.i(TAG, "in broadcast receiver -- about to hang");
            try { Thread.sleep(20000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
            Log.i(TAG, "broadcast receiver hang finished -- returning");
        }
    };

    public static class BadService extends Service {
        @Override
        public IBinder onBind(Intent intent) {
            return null;
        }

        @Override
        public int onStartCommand(Intent intent, int flags, int id) {
            Log.i(TAG, "in service start -- about to hang");
            try { Thread.sleep(30000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
            Log.i(TAG, "service hang finished -- stopping and returning");
            stopSelf();
            return START_NOT_STICKY;
        }
    }

    public static class BadController extends IActivityController.Stub {
        private int mDelay;

        public BadController(int delay) { mDelay = delay; }

        public boolean activityStarting(Intent intent, String pkg) {
            try {
                ActivityManagerNative.getDefault().setActivityController(null, false);
            } catch (RemoteException e) {
                Log.e(TAG, "Can't call IActivityManager.setActivityController", e);
            }

            if (mDelay > 0) {
                Log.i(TAG, "in activity controller -- about to hang");
                try { Thread.sleep(mDelay); } catch (InterruptedException e) { Log.wtf(TAG, e); }
                Log.i(TAG, "activity controller hang finished -- disabling and returning");
                mDelay = 0;
            }

            return true;
        }

        public boolean activityResuming(String pkg) {
            return true;
        }

        public boolean appCrashed(String proc, int pid, String m, String m2, long time, String st) {
            return true;
        }

        public int appEarlyNotResponding(String processName, int pid, String annotation) {
            return 0;
        }

        public int appNotResponding(String proc, int pid, String st) {
            return 0;
        }

        public int systemNotResponding(String message) {
            return 0;
        }
    }

    int mFloodBroadcastsSent;
    int mFloodBroadcastsReceived;

    public class ExponentialReceiver extends BroadcastReceiver {
        String name;

        @Override
        public void onReceive(Context context, Intent intent) {
            final int N = 5;
            mFloodBroadcastsReceived++;
            for (int i=0; i<N; i++) {
                mFloodBroadcastsSent++;
                Log.i(TAG, this.name + " sent=" + mFloodBroadcastsSent
                        + " received=" + mFloodBroadcastsReceived);
                context.sendBroadcast(new Intent(BROADCAST_FLOOD));
            }
        }
    };

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

        if (getIntent().getBooleanExtra("anr", false)) {
            Log.i(TAG, "in ANR activity -- about to hang");
            try { Thread.sleep(20000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
            Log.i(TAG, "activity hang finished -- finishing");
            finish();
            return;
        }

        if (getIntent().getBooleanExtra("dummy", false)) {
            Log.i(TAG, "in dummy activity -- finishing");
            finish();
            return;
        }

        setContentView(R.layout.bad_behavior);

        Button crash_system = (Button) findViewById(R.id.bad_behavior_crash_system);
        crash_system.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                try {
                    IBinder b = ServiceManager.getService(POWER_SERVICE);
                    IPowerManager pm = IPowerManager.Stub.asInterface(b);
                    pm.crash("Crashed by BadBehaviorActivity");
                } catch (RemoteException e) {
                    Log.e(TAG, "Can't call IPowerManager.crash()", e);
                }
            }
        });

        Button crash_main = (Button) findViewById(R.id.bad_behavior_crash_main);
        crash_main.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) { throw new BadBehaviorException(); }
        });

        Button crash_thread = (Button) findViewById(R.id.bad_behavior_crash_thread);
        crash_thread.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                new Thread() {
                    @Override
                    public void run() { throw new BadBehaviorException(); }
                }.start();
            }
        });

        Button crash_native = (Button) findViewById(R.id.bad_behavior_crash_native);
        crash_native.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                // For some reason, the JVM needs two of these to get the hint
                Log.i(TAG, "Native crash pressed -- about to kill -11 self");
                Process.sendSignal(Process.myPid(), 11);
                Process.sendSignal(Process.myPid(), 11);
                Log.i(TAG, "Finished kill -11, should be dead or dying");
            }
        });

        Button wtf = (Button) findViewById(R.id.bad_behavior_wtf);
        wtf.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) { Log.wtf(TAG, "Apps Behaving Badly"); }
        });

        Button anr = (Button) findViewById(R.id.bad_behavior_anr);
        anr.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                Log.i(TAG, "ANR pressed -- about to hang");
                try { Thread.sleep(20000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
                Log.i(TAG, "hang finished -- returning");
            }
        });

        Button anr_activity = (Button) findViewById(R.id.bad_behavior_anr_activity);
        anr_activity.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                Intent intent = new Intent(BadBehaviorActivity.this, BadBehaviorActivity.class);
                Log.i(TAG, "ANR activity pressed -- about to launch");
                startActivity(intent.putExtra("anr", true));
            }
        });

        Button anr_broadcast = (Button) findViewById(R.id.bad_behavior_anr_broadcast);
        anr_broadcast.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                Log.i(TAG, "ANR broadcast pressed -- about to send");
                sendOrderedBroadcast(new Intent("com.android.development.BAD_BEHAVIOR"), null);
            }
        });

        Button anr_service = (Button) findViewById(R.id.bad_behavior_anr_service);
        anr_service.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                Log.i(TAG, "ANR service pressed -- about to start");
                startService(new Intent(BadBehaviorActivity.this, BadService.class));
            }
        });

        Button anr_system = (Button) findViewById(R.id.bad_behavior_anr_system);
        anr_system.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                Intent intent = new Intent(BadBehaviorActivity.this, BadBehaviorActivity.class);
                Log.i(TAG, "ANR system pressed -- about to engage");
                try {
                    ActivityManagerNative.getDefault().setActivityController(
                        new BadController(20000), false);
                } catch (RemoteException e) {
                    Log.e(TAG, "Can't call IActivityManager.setActivityController", e);
                }
                startActivity(intent.putExtra("dummy", true));
            }
        });

        Button wedge_system = (Button) findViewById(R.id.bad_behavior_wedge_system);
        wedge_system.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                Intent intent = new Intent(BadBehaviorActivity.this, BadBehaviorActivity.class);
                Log.i(TAG, "Wedge system pressed -- about to engage");
                try {
                    ActivityManagerNative.getDefault().setActivityController(
                        new BadController(300000), false);
                } catch (RemoteException e) {
                    Log.e(TAG, "Can't call IActivityManager.setActivityController", e);
                }
                startActivity(intent.putExtra("dummy", true));
            }
        });

        Button broadcast_flood = (Button) findViewById(R.id.bad_behavior_broadcast_flood);
        broadcast_flood.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                // Let's create and register some broadcast receivers
                IntentFilter filter = new IntentFilter(BROADCAST_FLOOD);
                for (int i=0; i<30; i++) {
                    ExponentialReceiver receiver = new ExponentialReceiver();
                    receiver.name = "ExponentialReceiver " + i;
                    registerReceiver(receiver, filter);
                }
                // Now open the floodgates
                mFloodBroadcastsSent = 1;
                sendBroadcast(new Intent(BROADCAST_FLOOD));
            }
        });
    }
}