1 /* 2 * Copyright (C) 2015 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.statusbar.stack; 18 19 import android.view.View; 20 21 import com.android.systemui.statusbar.ExpandableView; 22 23 /** 24 * A state of an expandable view 25 */ 26 public class StackViewState extends ViewState { 27 28 // These are flags such that we can create masks for filtering. 29 30 public static final int LOCATION_UNKNOWN = 0x00; 31 public static final int LOCATION_FIRST_CARD = 0x01; 32 public static final int LOCATION_TOP_STACK_HIDDEN = 0x02; 33 public static final int LOCATION_TOP_STACK_PEEKING = 0x04; 34 public static final int LOCATION_MAIN_AREA = 0x08; 35 public static final int LOCATION_BOTTOM_STACK_PEEKING = 0x10; 36 public static final int LOCATION_BOTTOM_STACK_HIDDEN = 0x20; 37 /** The view isn't layouted at all. */ 38 public static final int LOCATION_GONE = 0x40; 39 40 public int height; 41 public boolean dimmed; 42 public boolean dark; 43 public boolean hideSensitive; 44 public boolean belowSpeedBump; 45 46 /** 47 * The amount which the view should be clipped from the top. This is calculated to 48 * perceive consistent shadows. 49 */ 50 public int clipTopAmount; 51 52 /** 53 * How much does the child overlap with the previous view on the top? Can be used for 54 * a clipping optimization 55 */ 56 public int topOverLap; 57 58 /** 59 * The index of the view, only accounting for views not equal to GONE 60 */ 61 public int notGoneIndex; 62 63 /** 64 * The location this view is currently rendered at. 65 * 66 * <p>See <code>LOCATION_</code> flags.</p> 67 */ 68 public int location; 69 70 @Override 71 public void copyFrom(ViewState viewState) { 72 super.copyFrom(viewState); 73 if (viewState instanceof StackViewState) { 74 StackViewState svs = (StackViewState) viewState; 75 height = svs.height; 76 dimmed = svs.dimmed; 77 dark = svs.dark; 78 hideSensitive = svs.hideSensitive; 79 belowSpeedBump = svs.belowSpeedBump; 80 clipTopAmount = svs.clipTopAmount; 81 topOverLap = svs.topOverLap; 82 notGoneIndex = svs.notGoneIndex; 83 location = svs.location; 84 } 85 } 86 } 87
