diff options
Diffstat (limited to 'packages/SystemUI/src/com/android/systemui/power/PowerUI.java')
| -rw-r--r-- | packages/SystemUI/src/com/android/systemui/power/PowerUI.java | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/packages/SystemUI/src/com/android/systemui/power/PowerUI.java b/packages/SystemUI/src/com/android/systemui/power/PowerUI.java new file mode 100644 index 0000000..1a55830 --- /dev/null +++ b/packages/SystemUI/src/com/android/systemui/power/PowerUI.java @@ -0,0 +1,183 @@ +/* + * Copyright (C) 2008 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.power; + +import java.io.FileDescriptor; +import java.io.PrintWriter; +import java.util.Arrays; + +import android.app.AlertDialog; +import android.content.BroadcastReceiver; +import android.content.ContentResolver; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.content.IntentFilter; +import android.net.Uri; +import android.os.Handler; +import android.media.AudioManager; +import android.media.Ringtone; +import android.media.RingtoneManager; +import android.provider.Settings; +import android.util.Slog; +import android.view.View; +import android.view.WindowManager; +import android.widget.TextView; + +import com.android.systemui.R; +import com.android.systemui.SystemUI; + +public class PowerUI extends SystemUI { + static final String TAG = "PowerUI"; + + Handler mHandler = new Handler(); + + AlertDialog mLowBatteryDialog; + int mBatteryLevel; + TextView mBatteryLevelTextView; + + public void start() { + // Register for Intent broadcasts for... + IntentFilter filter = new IntentFilter(); + filter.addAction(Intent.ACTION_BATTERY_CHANGED); + filter.addAction(Intent.ACTION_BATTERY_LOW); + filter.addAction(Intent.ACTION_BATTERY_OKAY); + filter.addAction(Intent.ACTION_POWER_CONNECTED); + mContext.registerReceiver(mIntentReceiver, filter, null, mHandler); + } + + private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { + @Override + public void onReceive(Context context, Intent intent) { + String action = intent.getAction(); + if (action.equals(Intent.ACTION_BATTERY_CHANGED)) { + mBatteryLevel = intent.getIntExtra("level", -1); + } else if (action.equals(Intent.ACTION_BATTERY_LOW)) { + showLowBatteryWarning(); + } else if (action.equals(Intent.ACTION_BATTERY_OKAY) + || action.equals(Intent.ACTION_POWER_CONNECTED)) { + if (mLowBatteryDialog != null) { + mLowBatteryDialog.dismiss(); + } + } else { + Slog.w(TAG, "unknown intent: " + intent); + } + } + }; + + void showLowBatteryWarning() { + CharSequence levelText = mContext.getString( + R.string.battery_low_percent_format, mBatteryLevel); + + if (mBatteryLevelTextView != null) { + mBatteryLevelTextView.setText(levelText); + } else { + View v = View.inflate(mContext, R.layout.battery_low, null); + mBatteryLevelTextView = (TextView)v.findViewById(R.id.level_percent); + + mBatteryLevelTextView.setText(levelText); + + AlertDialog.Builder b = new AlertDialog.Builder(mContext); + b.setCancelable(true); + b.setTitle(R.string.battery_low_title); + b.setView(v); + b.setIcon(android.R.drawable.ic_dialog_alert); + b.setPositiveButton(android.R.string.ok, null); + + final Intent intent = new Intent(Intent.ACTION_POWER_USAGE_SUMMARY); + intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK + | Intent.FLAG_ACTIVITY_MULTIPLE_TASK + | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS + | Intent.FLAG_ACTIVITY_NO_HISTORY); + if (intent.resolveActivity(mContext.getPackageManager()) != null) { + b.setNegativeButton(R.string.battery_low_why, + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + mContext.startActivity(intent); + if (mLowBatteryDialog != null) { + mLowBatteryDialog.dismiss(); + } + } + }); + } + + AlertDialog d = b.create(); + d.setOnDismissListener(mLowBatteryListener); + d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); + d.show(); + mLowBatteryDialog = d; + } + + final ContentResolver cr = mContext.getContentResolver(); + if (Settings.System.getInt(cr, Settings.System.POWER_SOUNDS_ENABLED, 1) == 1) { + final String soundPath = Settings.System.getString(cr, + Settings.System.LOW_BATTERY_SOUND); + if (soundPath != null) { + final Uri soundUri = Uri.parse("file://" + soundPath); + if (soundUri != null) { + final Ringtone sfx = RingtoneManager.getRingtone(mContext, soundUri); + if (sfx != null) { + sfx.setStreamType(AudioManager.STREAM_SYSTEM); + sfx.play(); + } + } + } + } + } + + private DialogInterface.OnDismissListener mLowBatteryListener + = new DialogInterface.OnDismissListener() { + public void onDismiss(DialogInterface dialog) { + mLowBatteryDialog = null; + mBatteryLevelTextView = null; + } + }; + + + public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { + if (false) { + pw.println("args=" + Arrays.toString(args)); + } + if (args == null || args.length == 0) { + pw.print("mLowBatteryDialog="); + pw.println(mLowBatteryDialog == null ? "null" : mLowBatteryDialog.toString()); + pw.print("mBatteryLevel="); + pw.println(Integer.toString(mBatteryLevel)); + } + + // DO NOT SUBMIT with this turned on. + if (false) { + if (args.length == 3 && "level".equals(args[1])) { + try { + final int level = Integer.parseInt(args[2]); + Intent intent = new Intent(Intent.ACTION_BATTERY_CHANGED); + intent.putExtra("level", level); + mIntentReceiver.onReceive(mContext, intent); + } catch (NumberFormatException ex) { + pw.println(ex); + } + } else if (args.length == 2 && "low".equals(args[1])) { + Intent intent = new Intent(Intent.ACTION_BATTERY_LOW); + mIntentReceiver.onReceive(mContext, intent); + } else if (args.length == 2 && "ok".equals(args[1])) { + Intent intent = new Intent(Intent.ACTION_BATTERY_OKAY); + mIntentReceiver.onReceive(mContext, intent); + } + } + } +} + |