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 android.app.Activity; 20 import android.os.Bundle; 21 import android.view.Gravity; 22 import android.view.KeyEvent; 23 import android.view.LayoutInflater; 24 import android.view.View; 25 import android.view.Window; 26 import android.view.WindowManager; 27 28 import com.android.internal.logging.MetricsLogger; 29 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 30 import com.android.systemui.R; 31 import com.android.systemui.broadcast.BroadcastDispatcher; 32 33 import javax.inject.Inject; 34 35 /** A dialog that provides controls for adjusting the screen brightness. */ 36 public class BrightnessDialog extends Activity { 37 38 private BrightnessController mBrightnessController; 39 private final BroadcastDispatcher mBroadcastDispatcher; 40 41 @Inject BrightnessDialog(BroadcastDispatcher broadcastDispatcher)42 public BrightnessDialog(BroadcastDispatcher broadcastDispatcher) { 43 mBroadcastDispatcher = broadcastDispatcher; 44 } 45 46 47 @Override onCreate(Bundle savedInstanceState)48 protected void onCreate(Bundle savedInstanceState) { 49 super.onCreate(savedInstanceState); 50 51 final Window window = getWindow(); 52 53 window.setGravity(Gravity.TOP); 54 window.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND); 55 window.requestFeature(Window.FEATURE_NO_TITLE); 56 57 View v = LayoutInflater.from(this).inflate( 58 R.layout.quick_settings_brightness_dialog, null); 59 setContentView(v); 60 61 final ToggleSliderView slider = findViewById(R.id.brightness_slider); 62 mBrightnessController = new BrightnessController(this, slider, mBroadcastDispatcher); 63 } 64 65 @Override onStart()66 protected void onStart() { 67 super.onStart(); 68 mBrightnessController.registerCallbacks(); 69 MetricsLogger.visible(this, MetricsEvent.BRIGHTNESS_DIALOG); 70 } 71 72 @Override onStop()73 protected void onStop() { 74 super.onStop(); 75 MetricsLogger.hidden(this, MetricsEvent.BRIGHTNESS_DIALOG); 76 mBrightnessController.unregisterCallbacks(); 77 } 78 79 @Override onKeyDown(int keyCode, KeyEvent event)80 public boolean onKeyDown(int keyCode, KeyEvent event) { 81 if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN 82 || keyCode == KeyEvent.KEYCODE_VOLUME_UP 83 || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) { 84 finish(); 85 } 86 87 return super.onKeyDown(keyCode, event); 88 } 89 } 90