| /* |
| * Copyright (C) 2010 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.systemui.statusbar.policy; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.os.BatteryManager; |
| import android.os.Handler; |
| import android.os.PowerManager; |
| import android.util.Log; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| |
| public class BatteryController extends BroadcastReceiver { |
| private static final String TAG = "BatteryController"; |
| |
| public static final String ACTION_LEVEL_TEST = "com.android.systemui.BATTERY_LEVEL_TEST"; |
| |
| private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG); |
| |
| private final ArrayList<BatteryStateChangeCallback> mChangeCallbacks = new ArrayList<>(); |
| private final PowerManager mPowerManager; |
| private final Handler mHandler; |
| |
| private int mLevel; |
| private boolean mPluggedIn; |
| private boolean mCharging; |
| private boolean mCharged; |
| private boolean mPowerSave; |
| private boolean mTestmode = false; |
| |
| public BatteryController(Context context) { |
| mHandler = new Handler(); |
| mPowerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE); |
| |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_BATTERY_CHANGED); |
| filter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED); |
| filter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGING); |
| filter.addAction(ACTION_LEVEL_TEST); |
| context.registerReceiver(this, filter); |
| |
| updatePowerSave(); |
| } |
| |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.println("BatteryController state:"); |
| pw.print(" mLevel="); pw.println(mLevel); |
| pw.print(" mPluggedIn="); pw.println(mPluggedIn); |
| pw.print(" mCharging="); pw.println(mCharging); |
| pw.print(" mCharged="); pw.println(mCharged); |
| pw.print(" mPowerSave="); pw.println(mPowerSave); |
| } |
| |
| public void setPowerSaveMode(boolean powerSave) { |
| mPowerManager.setPowerSaveMode(powerSave); |
| } |
| |
| public void addStateChangedCallback(BatteryStateChangeCallback cb) { |
| mChangeCallbacks.add(cb); |
| cb.onBatteryLevelChanged(mLevel, mPluggedIn, mCharging); |
| cb.onPowerSaveChanged(mPowerSave); |
| } |
| |
| public void removeStateChangedCallback(BatteryStateChangeCallback cb) { |
| mChangeCallbacks.remove(cb); |
| } |
| |
| public void onReceive(final Context context, Intent intent) { |
| final String action = intent.getAction(); |
| if (action.equals(Intent.ACTION_BATTERY_CHANGED)) { |
| if (mTestmode && !intent.getBooleanExtra("testmode", false)) return; |
| mLevel = (int)(100f |
| * intent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0) |
| / intent.getIntExtra(BatteryManager.EXTRA_SCALE, 100)); |
| mPluggedIn = intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0) != 0; |
| |
| final int status = intent.getIntExtra(BatteryManager.EXTRA_STATUS, |
| BatteryManager.BATTERY_STATUS_UNKNOWN); |
| mCharged = status == BatteryManager.BATTERY_STATUS_FULL; |
| mCharging = mCharged || status == BatteryManager.BATTERY_STATUS_CHARGING; |
| |
| fireBatteryLevelChanged(); |
| } else if (action.equals(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED)) { |
| updatePowerSave(); |
| } else if (action.equals(PowerManager.ACTION_POWER_SAVE_MODE_CHANGING)) { |
| setPowerSave(intent.getBooleanExtra(PowerManager.EXTRA_POWER_SAVE_MODE, false)); |
| } else if (action.equals(ACTION_LEVEL_TEST)) { |
| mTestmode = true; |
| mHandler.post(new Runnable() { |
| int curLevel = 0; |
| int incr = 1; |
| int saveLevel = mLevel; |
| boolean savePlugged = mPluggedIn; |
| Intent dummy = new Intent(Intent.ACTION_BATTERY_CHANGED); |
| @Override |
| public void run() { |
| if (curLevel < 0) { |
| mTestmode = false; |
| dummy.putExtra("level", saveLevel); |
| dummy.putExtra("plugged", savePlugged); |
| dummy.putExtra("testmode", false); |
| } else { |
| dummy.putExtra("level", curLevel); |
| dummy.putExtra("plugged", incr > 0 ? BatteryManager.BATTERY_PLUGGED_AC |
| : 0); |
| dummy.putExtra("testmode", true); |
| } |
| context.sendBroadcast(dummy); |
| |
| if (!mTestmode) return; |
| |
| curLevel += incr; |
| if (curLevel == 100) { |
| incr *= -1; |
| } |
| mHandler.postDelayed(this, 200); |
| } |
| }); |
| } |
| } |
| |
| public boolean isPowerSave() { |
| return mPowerSave; |
| } |
| |
| private void updatePowerSave() { |
| setPowerSave(mPowerManager.isPowerSaveMode()); |
| } |
| |
| private void setPowerSave(boolean powerSave) { |
| if (powerSave == mPowerSave) return; |
| mPowerSave = powerSave; |
| if (DEBUG) Log.d(TAG, "Power save is " + (mPowerSave ? "on" : "off")); |
| firePowerSaveChanged(); |
| } |
| |
| private void fireBatteryLevelChanged() { |
| final int N = mChangeCallbacks.size(); |
| for (int i = 0; i < N; i++) { |
| mChangeCallbacks.get(i).onBatteryLevelChanged(mLevel, mPluggedIn, mCharging); |
| } |
| } |
| |
| private void firePowerSaveChanged() { |
| final int N = mChangeCallbacks.size(); |
| for (int i = 0; i < N; i++) { |
| mChangeCallbacks.get(i).onPowerSaveChanged(mPowerSave); |
| } |
| } |
| |
| public interface BatteryStateChangeCallback { |
| void onBatteryLevelChanged(int level, boolean pluggedIn, boolean charging); |
| void onPowerSaveChanged(boolean isPowerSave); |
| } |
| } |