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