RecentsConfiguration.java revision 6736905dc0e10689f7c63f6da43b31325caf966a
1/* 2 * Copyright (C) 2014 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 17package com.android.systemui.recents; 18 19import android.content.Context; 20import android.content.res.Configuration; 21import android.content.res.Resources; 22import android.graphics.Rect; 23import android.util.DisplayMetrics; 24import android.util.TypedValue; 25import com.android.systemui.R; 26 27 28/** A static Recents configuration for the current context 29 * NOTE: We should not hold any references to a Context from a static instance */ 30public class RecentsConfiguration { 31 static RecentsConfiguration sInstance; 32 33 DisplayMetrics mDisplayMetrics; 34 35 public Rect systemInsets = new Rect(); 36 public Rect displayRect = new Rect(); 37 38 public float animationPxMovementPerSecond; 39 40 public int filteringCurrentViewsMinAnimDuration; 41 public int filteringNewViewsMinAnimDuration; 42 43 /** Private constructor */ 44 private RecentsConfiguration() {} 45 46 /** Updates the configuration to the current context */ 47 public static RecentsConfiguration reinitialize(Context context) { 48 if (sInstance == null) { 49 sInstance = new RecentsConfiguration(); 50 } 51 sInstance.update(context); 52 return sInstance; 53 } 54 55 /** Returns the current recents configuration */ 56 public static RecentsConfiguration getInstance() { 57 return sInstance; 58 } 59 60 /** Updates the state, given the specified context */ 61 void update(Context context) { 62 Resources res = context.getResources(); 63 DisplayMetrics dm = res.getDisplayMetrics(); 64 mDisplayMetrics = dm; 65 66 boolean isLandscape = res.getConfiguration().orientation == 67 Configuration.ORIENTATION_LANDSCAPE; 68 Console.log(Constants.DebugFlags.UI.MeasureAndLayout, 69 "[RecentsConfiguration|orientation]", isLandscape ? "Landscape" : "Portrait", 70 Console.AnsiGreen); 71 72 displayRect.set(0, 0, dm.widthPixels, dm.heightPixels); 73 animationPxMovementPerSecond = 74 res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second); 75 filteringCurrentViewsMinAnimDuration = 76 res.getInteger(R.integer.recents_filter_animate_current_views_min_duration); 77 filteringNewViewsMinAnimDuration = 78 res.getInteger(R.integer.recents_filter_animate_new_views_min_duration); 79 } 80 81 public void updateSystemInsets(Rect insets) { 82 systemInsets.set(insets); 83 } 84 85 /** Converts from DPs to PXs */ 86 public int pxFromDp(float size) { 87 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 88 size, mDisplayMetrics)); 89 } 90 /** Converts from SPs to PXs */ 91 public int pxFromSp(float size) { 92 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 93 size, mDisplayMetrics)); 94 } 95} 96