/*
* Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
*
* This file is part of Loop Habit Tracker.
*
* Loop Habit Tracker 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.
*
* Loop Habit Tracker 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.isoron.uhabits.espresso;
import android.app.KeyguardManager;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.IBinder;
import android.os.PowerManager;
import android.support.test.runner.AndroidJUnitRunner;
import android.util.Log;
import java.lang.reflect.Method;
public final class SystemHelper extends AndroidJUnitRunner
{
private static final String ANIMATION_PERMISSION = "android.permission.SET_ANIMATION_SCALE";
private static final float DISABLED = 0.0f;
private static final float DEFAULT = 1.0f;
private final Context context;
private PowerManager.WakeLock wakeLock;
SystemHelper(Context context)
{
this.context = context;
}
void acquireWakeLock()
{
PowerManager power = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
wakeLock = power.newWakeLock(PowerManager.FULL_WAKE_LOCK |
PowerManager.ACQUIRE_CAUSES_WAKEUP |
PowerManager.ON_AFTER_RELEASE, getClass().getSimpleName());
wakeLock.acquire();
}
void releaseWakeLock()
{
if(wakeLock != null)
wakeLock.release();
}
void unlockScreen()
{
Log.i("SystemHelper", "Trying to unlock screen");
try
{
KeyguardManager mKeyGuardManager =
(KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);
KeyguardManager.KeyguardLock mLock = mKeyGuardManager.newKeyguardLock("lock");
mLock.disableKeyguard();
Log.e("SystemHelper", "Successfully unlocked screen");
} catch (Exception e)
{
Log.e("SystemHelper", "Could not unlock screen");
e.printStackTrace();
}
}
void disableAllAnimations()
{
Log.i("SystemHelper", "Trying to disable animations");
int permStatus = context.checkCallingOrSelfPermission(ANIMATION_PERMISSION);
if (permStatus == PackageManager.PERMISSION_GRANTED) setSystemAnimationsScale(DISABLED);
else Log.e("SystemHelper", "Permission denied");
}
void enableAllAnimations()
{
int permStatus = context.checkCallingOrSelfPermission(ANIMATION_PERMISSION);
if (permStatus == PackageManager.PERMISSION_GRANTED)
{
setSystemAnimationsScale(DEFAULT);
}
}
private void setSystemAnimationsScale(float animationScale)
{
try
{
Class<?> windowManagerStubClazz = Class.forName("android.view.IWindowManager$Stub");
Method asInterface =
windowManagerStubClazz.getDeclaredMethod("asInterface", IBinder.class);
Class<?> serviceManagerClazz = Class.forName("android.os.ServiceManager");
Method getService = serviceManagerClazz.getDeclaredMethod("getService", String.class);
Class<?> windowManagerClazz = Class.forName("android.view.IWindowManager");
Method setAnimationScales =
windowManagerClazz.getDeclaredMethod("setAnimationScales", float[].class);
Method getAnimationScales = windowManagerClazz.getDeclaredMethod("getAnimationScales");
IBinder windowManagerBinder = (IBinder) getService.invoke(null, "window");
Object windowManagerObj = asInterface.invoke(null, windowManagerBinder);
float[] currentScales = (float[]) getAnimationScales.invoke(windowManagerObj);
for (int i = 0; i < currentScales.length; i++)
currentScales[i] = animationScale;
setAnimationScales.invoke(windowManagerObj, new Object[]{currentScales});
Log.i("SystemHelper", "All animations successfully disabled");
}
catch (Exception e)
{
Log.e("SystemHelper", "Could not change animation scale to " + animationScale + " :'(");
}
}
}