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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.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.BatteryManager;
import android.support.annotation.VisibleForTesting;
import android.support.v14.preference.PreferenceFragment;
import android.support.v7.preference.PreferenceScreen;
import android.widget.TextView;
import com.android.settings.R;
import com.android.settings.applications.LayoutPreference;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settings.widget.EntityHeaderController;
import com.android.settingslib.Utils;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnStart;
/**
* Controller that update the battery header view
*/
public class BatteryHeaderPreferenceController extends AbstractPreferenceController
implements PreferenceControllerMixin, LifecycleObserver, OnStart {
@VisibleForTesting
static final String KEY_BATTERY_HEADER = "battery_header";
@VisibleForTesting
BatteryMeterView mBatteryMeterView;
@VisibleForTesting
TextView mBatteryPercentText;
@VisibleForTesting
TextView mSummary1;
@VisibleForTesting
TextView mSummary2;
private final Activity mActivity;
private final PreferenceFragment mHost;
private final Lifecycle mLifecycle;
private LayoutPreference mBatteryLayoutPref;
public BatteryHeaderPreferenceController(Context context, Activity activity,
PreferenceFragment host, Lifecycle lifecycle) {
super(context);
mActivity = activity;
mHost = host;
mLifecycle = lifecycle;
if (mLifecycle != null) {
mLifecycle.addObserver(this);
}
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mBatteryLayoutPref = (LayoutPreference) screen.findPreference(KEY_BATTERY_HEADER);
mBatteryMeterView = (BatteryMeterView) mBatteryLayoutPref
.findViewById(R.id.battery_header_icon);
mBatteryPercentText = mBatteryLayoutPref.findViewById(R.id.battery_percent);
mSummary1 = mBatteryLayoutPref.findViewById(R.id.summary1);
mSummary2 = mBatteryLayoutPref.findViewById(R.id.summary2);
quickUpdateHeaderPreference();
}
@Override
public boolean isAvailable() {
return true;
}
@Override
public String getPreferenceKey() {
return KEY_BATTERY_HEADER;
}
@Override
public void onStart() {
EntityHeaderController.newInstance(mActivity, mHost,
mBatteryLayoutPref.findViewById(R.id.battery_entity_header))
.setRecyclerView(mHost.getListView(), mLifecycle)
.styleActionBar(mActivity);
}
public void updateHeaderPreference(BatteryInfo info) {
mBatteryPercentText.setText(Utils.formatPercentage(info.batteryLevel));
if (info.remainingLabel == null) {
mSummary1.setText(info.statusLabel);
} else {
mSummary1.setText(info.remainingLabel);
}
// Clear this just to be sure we don't get UI jank on re-entering this view from another
// activity.
mSummary2.setText("");
mBatteryMeterView.setBatteryLevel(info.batteryLevel);
mBatteryMeterView.setCharging(!info.discharging);
}
public void quickUpdateHeaderPreference() {
Intent batteryBroadcast = mContext.registerReceiver(null,
new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
final int batteryLevel = Utils.getBatteryLevel(batteryBroadcast);
final boolean discharging =
batteryBroadcast.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1) == 0;
// Set battery level and charging status
mBatteryMeterView.setBatteryLevel(batteryLevel);
mBatteryMeterView.setCharging(!discharging);
mBatteryPercentText.setText(Utils.formatPercentage(batteryLevel));
// clear all the summaries
mSummary1.setText("");
mSummary2.setText("");
}
}