/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.systemui.charging;
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import android.animation.AnimatorSet;
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import android.animation.ObjectAnimator;
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import android.animation.ValueAnimator;
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import android.content.Context;
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import android.graphics.drawable.Animatable;
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import android.util.AttributeSet;
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import android.view.ContextThemeWrapper;
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import android.view.animation.PathInterpolator;
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import android.widget.FrameLayout;
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import android.widget.ImageView;
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import android.widget.TextView;
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import com.android.systemui.Interpolators;
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import com.android.systemui.R;
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import java.text.NumberFormat;
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/**
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* @hide
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*/
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public class WirelessChargingLayout extends FrameLayout {
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private final static int UNKNOWN_BATTERY_LEVEL = -1;
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public WirelessChargingLayout(Context context) {
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super(context);
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init(context, null, false);
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}
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public WirelessChargingLayout(Context context, int batteryLevel, boolean isDozing) {
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super(context);
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init(context, null, batteryLevel, isDozing);
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}
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public WirelessChargingLayout(Context context, AttributeSet attrs) {
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super(context, attrs);
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init(context, attrs, false);
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}
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private void init(Context c, AttributeSet attrs, boolean isDozing) {
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init(c, attrs, -1, false);
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}
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private void init(Context context, AttributeSet attrs, int batteryLevel, boolean isDozing) {
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final int mBatteryLevel = batteryLevel;
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// set style based on background
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int style = R.style.ChargingAnim_WallpaperBackground;
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if (isDozing) {
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style = R.style.ChargingAnim_DarkBackground;
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}
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inflate(new ContextThemeWrapper(context, style), R.layout.wireless_charging_layout, this);
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// where the circle animation occurs:
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final ImageView chargingView = findViewById(R.id.wireless_charging_view);
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final Animatable chargingAnimation = (Animatable) chargingView.getDrawable();
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// amount of battery:
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final TextView mPercentage = findViewById(R.id.wireless_charging_percentage);
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if (batteryLevel != UNKNOWN_BATTERY_LEVEL) {
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mPercentage.setText(NumberFormat.getPercentInstance().format(mBatteryLevel / 100f));
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mPercentage.setAlpha(0);
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}
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final long chargingAnimationFadeStartOffset = (long) context.getResources().getInteger(
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R.integer.wireless_charging_fade_offset);
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final long chargingAnimationFadeDuration = (long) context.getResources().getInteger(
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R.integer.wireless_charging_fade_duration);
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final float batteryLevelTextSizeStart = context.getResources().getFloat(
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R.dimen.wireless_charging_anim_battery_level_text_size_start);
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final float batteryLevelTextSizeEnd = context.getResources().getFloat(
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R.dimen.wireless_charging_anim_battery_level_text_size_end);
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// Animation Scale: battery percentage text scales from 0% to 100%
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ValueAnimator textSizeAnimator = ObjectAnimator.ofFloat(mPercentage, "textSize",
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batteryLevelTextSizeStart, batteryLevelTextSizeEnd);
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textSizeAnimator.setInterpolator(new PathInterpolator(0, 0, 0, 1));
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textSizeAnimator.setDuration((long) context.getResources().getInteger(
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R.integer.wireless_charging_battery_level_text_scale_animation_duration));
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// Animation Opacity: battery percentage text transitions from 0 to 1 opacity
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ValueAnimator textOpacityAnimator = ObjectAnimator.ofFloat(mPercentage, "alpha", 0, 1);
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textOpacityAnimator.setInterpolator(Interpolators.LINEAR);
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textOpacityAnimator.setDuration((long) context.getResources().getInteger(
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R.integer.wireless_charging_battery_level_text_opacity_duration));
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textOpacityAnimator.setStartDelay((long) context.getResources().getInteger(
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R.integer.wireless_charging_anim_opacity_offset));
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// Animation Opacity: battery percentage text fades from 1 to 0 opacity
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ValueAnimator textFadeAnimator = ObjectAnimator.ofFloat(mPercentage, "alpha", 1, 0);
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textFadeAnimator.setDuration(chargingAnimationFadeDuration);
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textFadeAnimator.setInterpolator(Interpolators.LINEAR);
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textFadeAnimator.setStartDelay(chargingAnimationFadeStartOffset);
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// play all animations together
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AnimatorSet animatorSet = new AnimatorSet();
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animatorSet.playTogether(textSizeAnimator, textOpacityAnimator, textFadeAnimator);
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chargingAnimation.start();
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animatorSet.start();
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}
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}
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