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/*
* Copyright (C) 2016 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.statusbar.policy;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.BatteryManager;
import android.os.Handler;
import android.provider.Settings;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.ArrayList;
import cyanogenmod.providers.CMSettings;
public class DockBatteryController extends BroadcastReceiver implements BatteryStateRegistar {
private final ArrayList<BatteryStateChangeCallback> mChangeCallbacks = new ArrayList<>();
private int mLevel;
private boolean mPresent;
private boolean mPluggedIn;
private boolean mCharging;
private boolean mCharged;
private boolean mPowerSave;
private int mStyle;
private int mPercentMode;
private int mUserId;
private SettingsObserver mObserver;
public DockBatteryController(Context context, Handler handler) {
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_BATTERY_CHANGED);
context.registerReceiver(this, filter);
mObserver = new SettingsObserver(context, handler);
mObserver.observe();
}
public void setUserId(int userId) {
mUserId = userId;
mObserver.observe();
}
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
pw.println("BatteryController state:");
pw.print(" mLevel="); pw.println(mLevel);
pw.print(" mPresent="); pw.println(mPresent);
pw.print(" mPluggedIn="); pw.println(mPluggedIn);
pw.print(" mCharging="); pw.println(mCharging);
pw.print(" mCharged="); pw.println(mCharged);
pw.print(" mPowerSave="); pw.println(mPowerSave);
}
@Override
public void addStateChangedCallback(BatteryStateChangeCallback cb) {
mChangeCallbacks.add(cb);
cb.onBatteryLevelChanged(mPresent, mLevel, mPluggedIn, mCharging);
cb.onBatteryStyleChanged(mStyle, mPercentMode);
}
@Override
public void removeStateChangedCallback(BatteryStateChangeCallback cb) {
mChangeCallbacks.remove(cb);
}
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
if (action.equals(Intent.ACTION_BATTERY_CHANGED)) {
mLevel = (int)(100f
* intent.getIntExtra(BatteryManager.EXTRA_DOCK_LEVEL, 0)
/ intent.getIntExtra(BatteryManager.EXTRA_DOCK_SCALE, 100));
mPresent = intent.getBooleanExtra(BatteryManager.EXTRA_DOCK_PRESENT, false);
mPluggedIn = intent.getIntExtra(BatteryManager.EXTRA_DOCK_PLUGGED, 0) != 0;
final int status = intent.getIntExtra(BatteryManager.EXTRA_DOCK_STATUS,
BatteryManager.BATTERY_STATUS_UNKNOWN);
mCharged = status == BatteryManager.BATTERY_STATUS_FULL;
mCharging = mPluggedIn && (mCharged || status == BatteryManager.BATTERY_STATUS_CHARGING);
fireBatteryLevelChanged();
}
}
private void fireBatteryLevelChanged() {
final int N = mChangeCallbacks.size();
for (int i = 0; i < N; i++) {
mChangeCallbacks.get(i).onBatteryLevelChanged(mPresent, mLevel, mPresent, mCharging);
}
}
private void fireSettingsChanged() {
final int N = mChangeCallbacks.size();
for (int i = 0; i < N; i++) {
mChangeCallbacks.get(i).onBatteryStyleChanged(mStyle, mPercentMode);
}
}
private final class SettingsObserver extends ContentObserver {
private ContentResolver mResolver;
private boolean mRegistered;
private final Uri STYLE_URI =
CMSettings.System.getUriFor(CMSettings.System.STATUS_BAR_BATTERY_STYLE);
private final Uri PERCENT_URI =
CMSettings.System.getUriFor(CMSettings.System.STATUS_BAR_SHOW_BATTERY_PERCENT);
public SettingsObserver(Context context, Handler handler) {
super(handler);
mResolver = context.getContentResolver();
}
public void observe() {
if (mRegistered) {
mResolver.unregisterContentObserver(this);
}
mResolver.registerContentObserver(STYLE_URI, false, this, mUserId);
mResolver.registerContentObserver(PERCENT_URI, false, this, mUserId);
mRegistered = true;
update();
}
@Override
public void onChange(boolean selfChange, Uri uri) {
update();
}
private void update() {
mStyle = CMSettings.System.getIntForUser(mResolver,
CMSettings.System.STATUS_BAR_BATTERY_STYLE, 0, mUserId);
mPercentMode = CMSettings.System.getIntForUser(mResolver,
CMSettings.System.STATUS_BAR_SHOW_BATTERY_PERCENT, 0, mUserId);
fireSettingsChanged();
}
};
}
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