1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.settings; 18 19 import java.io.FileDescriptor; 20 import java.io.PrintWriter; 21 22 import android.content.BroadcastReceiver; 23 import android.content.Context; 24 import android.content.DialogInterface; 25 import android.content.Intent; 26 import android.content.IntentFilter; 27 import android.os.Handler; 28 import android.os.UserHandle; 29 import android.util.Slog; 30 31 import com.android.systemui.SystemUI; 32 33 public class SettingsUI extends SystemUI { 34 private static final String TAG = "SettingsUI"; 35 private static final boolean DEBUG = false; 36 37 private final Handler mHandler = new Handler(); 38 private BrightnessDialog mBrightnessDialog; 39 40 private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { 41 @Override 42 public void onReceive(Context context, Intent intent) { 43 String action = intent.getAction(); 44 if (action.equals(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG)) { 45 if (DEBUG) Slog.d(TAG, "showing brightness dialog"); 46 47 if (mBrightnessDialog == null) { 48 mBrightnessDialog = new BrightnessDialog(mContext); 49 mBrightnessDialog.setOnDismissListener(new DialogInterface.OnDismissListener() { 50 @Override 51 public void onDismiss(DialogInterface dialog) { 52 mBrightnessDialog = null; 53 } 54 }); 55 } 56 57 if (!mBrightnessDialog.isShowing()) { 58 mBrightnessDialog.show(); 59 } 60 61 } else { 62 Slog.w(TAG, "unknown intent: " + intent); 63 } 64 } 65 }; 66 67 public void start() { 68 IntentFilter filter = new IntentFilter(); 69 filter.addAction(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG); 70 mContext.registerReceiverAsUser(mIntentReceiver, UserHandle.ALL, filter, null, mHandler); 71 } 72 73 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 74 pw.print("mBrightnessDialog="); 75 pw.println(mBrightnessDialog == null ? "null" : mBrightnessDialog.toString()); 76 } 77 } 78