| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.systemui.recents; |
| |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.graphics.Rect; |
| import android.util.DisplayMetrics; |
| import android.util.TypedValue; |
| |
| |
| /** A static Recents configuration for the current context |
| * NOTE: We should not hold any references to a Context from a static instance */ |
| public class RecentsConfiguration { |
| static RecentsConfiguration sInstance; |
| |
| DisplayMetrics mDisplayMetrics; |
| |
| public boolean layoutVerticalStack; |
| public Rect systemInsets = new Rect(); |
| |
| /** Private constructor */ |
| private RecentsConfiguration() {} |
| |
| /** Updates the configuration to the current context */ |
| public static RecentsConfiguration reinitialize(Context context) { |
| if (sInstance == null) { |
| sInstance = new RecentsConfiguration(); |
| } |
| sInstance.update(context); |
| return sInstance; |
| } |
| |
| /** Returns the current recents configuration */ |
| public static RecentsConfiguration getInstance() { |
| return sInstance; |
| } |
| |
| /** Updates the state, given the specified context */ |
| void update(Context context) { |
| mDisplayMetrics = context.getResources().getDisplayMetrics(); |
| |
| boolean isPortrait = context.getResources().getConfiguration().orientation == |
| Configuration.ORIENTATION_PORTRAIT; |
| layoutVerticalStack = isPortrait || Constants.LANDSCAPE_LAYOUT_VERTICAL_STACK; |
| } |
| |
| public void updateSystemInsets(Rect insets) { |
| systemInsets.set(insets); |
| } |
| |
| /** Converts from DPs to PXs */ |
| public int pxFromDp(float size) { |
| return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, |
| size, mDisplayMetrics)); |
| } |
| /** Converts from SPs to PXs */ |
| public int pxFromSp(float size) { |
| return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, |
| size, mDisplayMetrics)); |
| } |
| } |