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/*
* Copyright (C) 2017 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.settings.fuelgauge;
import android.annotation.Nullable;
import android.content.Context;
import android.graphics.ColorFilter;
import android.util.AttributeSet;
import android.widget.ImageView;
import androidx.annotation.VisibleForTesting;
import com.android.settings.R;
import com.android.settings.Utils;
import com.android.settingslib.graph.ThemedBatteryDrawable;
public class BatteryMeterView extends ImageView {
@VisibleForTesting
BatteryMeterDrawable mDrawable;
@VisibleForTesting
ColorFilter mErrorColorFilter;
@VisibleForTesting
ColorFilter mAccentColorFilter;
@VisibleForTesting
ColorFilter mForegroundColorFilter;
public BatteryMeterView(Context context) {
this(context, null, 0);
}
public BatteryMeterView(Context context, @Nullable AttributeSet attrs) {
this(context, attrs, 0);
}
public BatteryMeterView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
final int frameColor =
context.getColor(com.android.settingslib.R.color.meter_background_color);
mAccentColorFilter = Utils.getAlphaInvariantColorFilterForColor(
Utils.getColorAttrDefaultColor(context, android.R.attr.colorAccent));
mErrorColorFilter = Utils.getAlphaInvariantColorFilterForColor(
context.getColor(R.color.battery_icon_color_error));
mForegroundColorFilter = Utils.getAlphaInvariantColorFilterForColor(
Utils.getColorAttrDefaultColor(context, android.R.attr.colorForeground));
mDrawable = new BatteryMeterDrawable(context, frameColor);
mDrawable.setColorFilter(mAccentColorFilter);
setImageDrawable(mDrawable);
}
public void setBatteryLevel(int level) {
mDrawable.setBatteryLevel(level);
updateColorFilter();
}
public void setPowerSave(boolean powerSave) {
mDrawable.setPowerSaveEnabled(powerSave);
updateColorFilter();
}
public boolean getPowerSave() {
return mDrawable.getPowerSaveEnabled();
}
public int getBatteryLevel() {
return mDrawable.getBatteryLevel();
}
public void setCharging(boolean charging) {
mDrawable.setCharging(charging);
postInvalidate();
}
public boolean getCharging() {
return mDrawable.getCharging();
}
private void updateColorFilter() {
final boolean powerSaveEnabled = mDrawable.getPowerSaveEnabled();
final int level = mDrawable.getBatteryLevel();
if (powerSaveEnabled) {
mDrawable.setColorFilter(mForegroundColorFilter);
} else if (level < mDrawable.getCriticalLevel()) {
mDrawable.setColorFilter(mErrorColorFilter);
} else {
mDrawable.setColorFilter(mAccentColorFilter);
}
}
public static class BatteryMeterDrawable extends ThemedBatteryDrawable {
private final int mIntrinsicWidth;
private final int mIntrinsicHeight;
public BatteryMeterDrawable(Context context, int frameColor) {
super(context, frameColor);
mIntrinsicWidth = context.getResources()
.getDimensionPixelSize(R.dimen.battery_meter_width);
mIntrinsicHeight = context.getResources()
.getDimensionPixelSize(R.dimen.battery_meter_height);
}
public BatteryMeterDrawable(Context context, int frameColor, int width, int height) {
super(context, frameColor);
mIntrinsicWidth = width;
mIntrinsicHeight = height;
}
@Override
public int getIntrinsicWidth() {
return mIntrinsicWidth;
}
@Override
public int getIntrinsicHeight() {
return mIntrinsicHeight;
}
}
}