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/*
* Copyright (C) 2014 The CyanogenMod 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;
import com.android.systemui.statusbar.policy.BatteryController;
import com.android.systemui.statusbar.policy.BatteryStateRegistar;
import android.content.Context;
import android.content.res.Configuration;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.widget.TextView;
import java.text.NumberFormat;
public class BatteryLevelTextView extends TextView implements
BatteryController.BatteryStateChangeCallback{
private BatteryStateRegistar mBatteryStateRegistar;
private boolean mBatteryPresent;
private boolean mBatteryCharging;
private boolean mForceShow;
private boolean mAttached;
private int mRequestedVisibility;
private int mStyle;
private int mPercentMode;
public BatteryLevelTextView(Context context, AttributeSet attrs) {
super(context, attrs);
// setBatteryStateRegistar (if called) will made the view visible and ready to be hidden
// if the view shouldn't be displayed. Otherwise this view should be hidden from start.
mRequestedVisibility = GONE;
}
public void setForceShown(boolean forceShow) {
mForceShow = forceShow;
updateVisibility();
}
public void setBatteryStateRegistar(BatteryStateRegistar batteryStateRegistar) {
mRequestedVisibility = VISIBLE;
mBatteryStateRegistar = batteryStateRegistar;
if (mAttached) {
mBatteryStateRegistar.addStateChangedCallback(this);
}
}
@Override
public void setVisibility(int visibility) {
mRequestedVisibility = visibility;
updateVisibility();
}
@Override
protected void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// Respect font size setting.
setTextSize(TypedValue.COMPLEX_UNIT_PX,
getResources().getDimensionPixelSize(R.dimen.battery_level_text_size));
}
@Override
public void onBatteryLevelChanged(boolean present, int level, boolean pluggedIn,
boolean charging) {
String percentage = NumberFormat.getPercentInstance().format((double) level / 100.0);
setText(percentage);
if (mBatteryPresent != present || mBatteryCharging != charging) {
mBatteryPresent = present;
mBatteryCharging = charging;
updateVisibility();
}
}
@Override
public void onPowerSaveChanged() {
// Not used
}
@Override
public void onBatteryStyleChanged(int style, int percentMode) {
mStyle = style;
mPercentMode = percentMode;
updateVisibility();
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
if (mBatteryStateRegistar != null) {
mBatteryStateRegistar.addStateChangedCallback(this);
}
mAttached = true;
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
mAttached = false;
if (mBatteryStateRegistar != null) {
mBatteryStateRegistar.removeStateChangedCallback(this);
}
}
private void updateVisibility() {
boolean showNextPercent = mBatteryPresent && (
mPercentMode == BatteryController.PERCENTAGE_MODE_OUTSIDE
|| (mBatteryCharging && mPercentMode == BatteryController.PERCENTAGE_MODE_INSIDE));
if (mStyle == BatteryController.STYLE_GONE) {
showNextPercent = false;
} else if (mStyle == BatteryController.STYLE_TEXT) {
showNextPercent = true;
}
if (mBatteryStateRegistar != null && (showNextPercent || mForceShow)) {
super.setVisibility(mRequestedVisibility);
} else {
super.setVisibility(GONE);
}
}
}
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