RecentsConfiguration.java revision 9f9679d91ee5f067cd5dcbf4d780a1f5b522e4ba
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 public int taskBarEnterAnimDuration; 43 public int taskStackScrollDismissInfoPaneDistance; 44 public int taskViewInfoPaneAnimDuration; 45 46 public boolean launchedWithThumbnailAnimation; 47 48 /** Private constructor */ 49 private RecentsConfiguration() {} 50 51 /** Updates the configuration to the current context */ 52 public static RecentsConfiguration reinitialize(Context context) { 53 if (sInstance == null) { 54 sInstance = new RecentsConfiguration(); 55 } 56 sInstance.update(context); 57 return sInstance; 58 } 59 60 /** Returns the current recents configuration */ 61 public static RecentsConfiguration getInstance() { 62 return sInstance; 63 } 64 65 /** Updates the state, given the specified context */ 66 void update(Context context) { 67 Resources res = context.getResources(); 68 DisplayMetrics dm = res.getDisplayMetrics(); 69 mDisplayMetrics = dm; 70 71 boolean isLandscape = res.getConfiguration().orientation == 72 Configuration.ORIENTATION_LANDSCAPE; 73 Console.log(Constants.DebugFlags.UI.MeasureAndLayout, 74 "[RecentsConfiguration|orientation]", isLandscape ? "Landscape" : "Portrait", 75 Console.AnsiGreen); 76 77 displayRect.set(0, 0, dm.widthPixels, dm.heightPixels); 78 animationPxMovementPerSecond = 79 res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second); 80 filteringCurrentViewsMinAnimDuration = 81 res.getInteger(R.integer.recents_filter_animate_current_views_min_duration); 82 filteringNewViewsMinAnimDuration = 83 res.getInteger(R.integer.recents_filter_animate_new_views_min_duration); 84 taskBarEnterAnimDuration = 85 res.getInteger(R.integer.recents_animate_task_bar_enter_duration); 86 taskStackScrollDismissInfoPaneDistance = res.getDimensionPixelSize( 87 R.dimen.recents_task_stack_scroll_dismiss_info_pane_distance); 88 taskViewInfoPaneAnimDuration = 89 res.getInteger(R.integer.recents_animate_task_view_info_pane_duration); 90 } 91 92 /** Updates the system insets */ 93 public void updateSystemInsets(Rect insets) { 94 systemInsets.set(insets); 95 } 96 97 /** Converts from DPs to PXs */ 98 public int pxFromDp(float size) { 99 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 100 size, mDisplayMetrics)); 101 } 102 /** Converts from SPs to PXs */ 103 public int pxFromSp(float size) { 104 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 105 size, mDisplayMetrics)); 106 } 107} 108