| /* |
| * Copyright (C) 2019 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.keyguard.clock; |
| |
| import static com.android.systemui.doze.util.BurnInHelperKt.getBurnInOffset; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.widget.FrameLayout; |
| |
| import com.android.keyguard.R; |
| |
| /** |
| * Positions clock faces (analog, digital, typographic) and handles pixel shifting |
| * to prevent screen burn-in. |
| */ |
| public class ClockLayout extends FrameLayout { |
| |
| /** |
| * Clock face views. |
| */ |
| private View mDigitalClock; |
| private View mAnalogClock; |
| private View mTypeClock; |
| |
| /** |
| * Pixel shifting amplitidues used to prevent screen burn-in. |
| */ |
| private int mBurnInPreventionOffsetX; |
| private int mBurnInPreventionOffsetY; |
| |
| public ClockLayout(Context context) { |
| this(context, null); |
| } |
| |
| public ClockLayout(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public ClockLayout(Context context, AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| mDigitalClock = findViewById(R.id.digital_clock); |
| mAnalogClock = findViewById(R.id.analog_clock); |
| mTypeClock = findViewById(R.id.type_clock); |
| |
| // Get pixel shifting X, Y amplitudes from resources. |
| Resources resources = getResources(); |
| mBurnInPreventionOffsetX = resources.getDimensionPixelSize( |
| R.dimen.burn_in_prevention_offset_x); |
| mBurnInPreventionOffsetY = resources.getDimensionPixelSize( |
| R.dimen.burn_in_prevention_offset_y); |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int left, int top, int right, int bottom) { |
| super.onLayout(changed, left, top, right, bottom); |
| |
| final float offsetX = getBurnInOffset(mBurnInPreventionOffsetX, true); |
| final float offsetY = getBurnInOffset(mBurnInPreventionOffsetY, false); |
| |
| // Put digital clock in two left corner of the screen. |
| if (mDigitalClock != null) { |
| mDigitalClock.setX(0.1f * getWidth() + offsetX); |
| mDigitalClock.setY(0.1f * getHeight() + offsetY); |
| } |
| |
| // Put the analog clock in the middle of the screen. |
| if (mAnalogClock != null) { |
| mAnalogClock.setX(Math.max(0f, 0.5f * (getWidth() - mAnalogClock.getWidth())) |
| + offsetX); |
| mAnalogClock.setY(Math.max(0f, 0.5f * (getHeight() - mAnalogClock.getHeight())) |
| + offsetY); |
| } |
| |
| // Put the typographic clock part way down the screen. |
| if (mTypeClock != null) { |
| mTypeClock.setX(offsetX); |
| mTypeClock.setY(0.2f * getHeight() + offsetY); |
| } |
| } |
| } |