1 /* 2 * Copyright (C) 2017 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 package com.android.systemui.qs; 17 18 import android.support.annotation.Nullable; 19 import android.view.View; 20 21 /** 22 * The bottom footer of the quick settings panel. 23 */ 24 public interface QSFooter { 25 /** 26 * Sets the given {@link QSPanel} to be the one that will display the quick settings. 27 */ setQSPanel(@ullable QSPanel panel)28 void setQSPanel(@Nullable QSPanel panel); 29 30 /** 31 * Sets whether or not the footer should be visible. 32 * 33 * @param visibility One of {@link View#VISIBLE}, {@link View#INVISIBLE} or {@link View#GONE}. 34 * @see View#setVisibility(int) 35 */ setVisibility(int visibility)36 void setVisibility(int visibility); 37 38 /** 39 * Sets whether the footer is in an expanded state. 40 */ setExpanded(boolean expanded)41 void setExpanded(boolean expanded); 42 43 /** 44 * Returns the full height of the footer. 45 */ getHeight()46 int getHeight(); 47 48 /** 49 * Sets the percentage amount that the quick settings has been expanded. 50 * 51 * @param expansion A value from 1 to 0 that indicates how much the quick settings have been 52 * expanded. 1 is fully expanded. 53 */ setExpansion(float expansion)54 void setExpansion(float expansion); 55 56 /** 57 * Sets whether or not this footer should set itself to listen for changes in any callbacks 58 * that it has implemented. 59 */ setListening(boolean listening)60 void setListening(boolean listening); 61 62 /** 63 * Sets whether or not the keyguard is currently being shown. 64 */ setKeyguardShowing(boolean keyguardShowing)65 void setKeyguardShowing(boolean keyguardShowing); 66 67 /** 68 * Returns the {@link View} that should expand the quick settings when clicked. 69 */ 70 @Nullable getExpandView()71 View getExpandView(); 72 } 73