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/*
* Copyright 2017 Paranoid Android
* Copyright 2020 The LineageOS 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.systemui.statusbar.policy;
import android.content.Context;
import android.content.res.Resources;
import android.os.Handler;
import android.os.Looper;
import android.util.Log;
import com.android.systemui.R;
import com.android.systemui.navigationbar.NavigationBarView;
import com.android.systemui.statusbar.phone.PhoneStatusBarView;
import com.android.systemui.statusbar.phone.CentralSurfacesImpl;
public class BurnInProtectionController {
private static final String TAG = "BurnInProtectionController";
private static final boolean DEBUG = false;
private static final long INTERVAL = 60000; // Milliseconds
private int mHorizontalShift = 0;
private int mVerticalShift = 0;
private int mHorizontalDirection = 1;
private int mVerticalDirection = 1;
private int mNavigationBarHorizontalMaxShift;
private int mNavigationBarVerticalMaxShift;
private int mHorizontalMaxShift;
private int mVerticalMaxShift;
private long mShiftInterval;
private final Handler mHandler = new Handler();
private final Runnable mRunnable = () -> {
shiftItems();
mHandler.postDelayed(this.mRunnable, INTERVAL);
};
private PhoneStatusBarView mPhoneStatusBarView;
private CentralSurfacesImpl mStatusBar;
private Context mContext;
public BurnInProtectionController(Context context, CentralSurfacesImpl statusBar,
PhoneStatusBarView phoneStatusBarView) {
mContext = context;
mPhoneStatusBarView = phoneStatusBarView;
mStatusBar = statusBar;
mHorizontalMaxShift = mContext.getResources()
.getDimensionPixelSize(R.dimen.burnin_protection_horizontal_shift);
// total of ((vertical_max_shift - 1) * 2) pixels can be moved
mVerticalMaxShift = mContext.getResources()
.getDimensionPixelSize(R.dimen.burnin_protection_vertical_shift) - 1;
}
public void startShiftTimer(boolean enabled) {
if (!enabled) return;
mHandler.removeCallbacks(mRunnable);
mHandler.postDelayed(mRunnable, INTERVAL);
if (DEBUG) Log.d(TAG, "Started shift timer");
}
public void stopShiftTimer(boolean enabled) {
if (!enabled) return;
mHandler.removeCallbacks(mRunnable);
if (DEBUG) Log.d(TAG, "Canceled shift timer");
}
private void shiftItems() {
mHorizontalShift += mHorizontalDirection;
if ((mHorizontalShift >= mHorizontalMaxShift) ||
(mHorizontalShift <= -mHorizontalMaxShift)) {
mHorizontalDirection *= -1;
}
mVerticalShift += mVerticalDirection;
if ((mVerticalShift >= mVerticalMaxShift) ||
(mVerticalShift <= -mVerticalMaxShift)) {
mVerticalDirection *= -1;
}
mPhoneStatusBarView.shiftStatusBarItems(mHorizontalShift, mVerticalShift);
NavigationBarView navigationBarView = mStatusBar.getNavigationBarView();
if (navigationBarView != null) {
navigationBarView.shiftNavigationBarItems(mHorizontalShift, mVerticalShift);
}
if (DEBUG) Log.d(TAG, "Shifting items\u2026");
}
}
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