| /* |
| * 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.widget.ImageView; |
| import android.widget.TextView; |
| |
| import com.android.systemui.R; |
| |
| import java.util.ArrayList; |
| |
| public class BatteryController extends BroadcastReceiver { |
| private static final String TAG = "StatusBar.BatteryController"; |
| |
| private Context mContext; |
| private ArrayList<ImageView> mIconViews = new ArrayList<ImageView>(); |
| private ArrayList<TextView> mLabelViews = new ArrayList<TextView>(); |
| |
| private ArrayList<BatteryStateChangeCallback> mChangeCallbacks = |
| new ArrayList<BatteryStateChangeCallback>(); |
| |
| public interface BatteryStateChangeCallback { |
| public void onBatteryLevelChanged(int level, boolean pluggedIn); |
| } |
| |
| public BatteryController(Context context) { |
| mContext = context; |
| |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_BATTERY_CHANGED); |
| context.registerReceiver(this, filter); |
| } |
| |
| public void addIconView(ImageView v) { |
| mIconViews.add(v); |
| } |
| |
| public void addLabelView(TextView v) { |
| mLabelViews.add(v); |
| } |
| |
| public void addStateChangedCallback(BatteryStateChangeCallback cb) { |
| mChangeCallbacks.add(cb); |
| } |
| |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| if (action.equals(Intent.ACTION_BATTERY_CHANGED)) { |
| final int level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0); |
| final int status = intent.getIntExtra(BatteryManager.EXTRA_STATUS, |
| BatteryManager.BATTERY_STATUS_UNKNOWN); |
| |
| boolean plugged = false; |
| switch (status) { |
| case BatteryManager.BATTERY_STATUS_CHARGING: |
| case BatteryManager.BATTERY_STATUS_FULL: |
| plugged = true; |
| break; |
| } |
| |
| final int icon = plugged ? R.drawable.stat_sys_battery_charge |
| : R.drawable.stat_sys_battery; |
| |
| int N = mIconViews.size(); |
| for (int i=0; i<N; i++) { |
| ImageView v = mIconViews.get(i); |
| v.setImageResource(icon); |
| v.setImageLevel(level); |
| v.setContentDescription(mContext.getString(R.string.accessibility_battery_level, |
| level)); |
| } |
| N = mLabelViews.size(); |
| for (int i=0; i<N; i++) { |
| TextView v = mLabelViews.get(i); |
| v.setText(mContext.getString(R.string.status_bar_settings_battery_meter_format, |
| level)); |
| } |
| |
| for (BatteryStateChangeCallback cb : mChangeCallbacks) { |
| cb.onBatteryLevelChanged(level, plugged); |
| } |
| } |
| } |
| } |