/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.wifi;
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import android.os.BatteryStats;
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import android.os.RemoteException;
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import android.util.Log;
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import com.android.internal.app.IBatteryStats;
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import java.util.concurrent.RejectedExecutionException;
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/**
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* This class is used to track WifiState to update BatteryStats
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*/
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public class WifiStateTracker {
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private static final String TAG = "WifiStateTracker";
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public static final int INVALID = 0;
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public static final int SCAN_MODE = 1;
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public static final int DISCONNECTED = 2;
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public static final int CONNECTED = 3;
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public static final int SOFT_AP = 4;
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private int mWifiState;
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private IBatteryStats mBatteryStats;
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public WifiStateTracker(IBatteryStats stats) {
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mWifiState = INVALID;
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mBatteryStats = stats;
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}
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private void informWifiStateBatteryStats(int state) {
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try {
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mBatteryStats.noteWifiState(state, null);
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} catch (RemoteException e) {
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Log.e(TAG, "Battery stats unreachable " + e.getMessage());
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} catch (RejectedExecutionException e) {
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Log.e(TAG, "Battery stats executor is being shutdown " + e.getMessage());
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}
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}
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/**
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* Inform the WifiState to this tracker to translate into the
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* WifiState corresponding to BatteryStats.
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* @param state state corresponding to the ClientModeImpl state
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*/
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public void updateState(int state) {
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int reportState = BatteryStats.WIFI_STATE_OFF;
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if (state != mWifiState) {
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switch(state) {
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case SCAN_MODE:
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reportState = BatteryStats.WIFI_STATE_OFF_SCANNING;
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break;
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case DISCONNECTED:
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reportState = BatteryStats.WIFI_STATE_ON_DISCONNECTED;
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break;
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case CONNECTED:
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reportState = BatteryStats.WIFI_STATE_ON_CONNECTED_STA;
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break;
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case SOFT_AP:
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reportState = BatteryStats.WIFI_STATE_SOFT_AP;
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break;
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case INVALID:
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mWifiState = INVALID;
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/* Fall through */
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default:
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return;
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}
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mWifiState = state;
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informWifiStateBatteryStats(reportState);
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}
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return;
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}
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}
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