1 /* 2 * Copyright (C) 2018 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.quickstep.util; 17 18 import android.content.Context; 19 import android.graphics.Rect; 20 import android.view.View; 21 import android.view.ViewGroup; 22 23 import com.android.launcher3.DeviceProfile; 24 import com.android.launcher3.touch.PagedOrientationHandler; 25 import com.android.quickstep.LauncherActivityInterface; 26 import com.android.quickstep.SysUINavigationMode; 27 28 public class LayoutUtils { 29 30 /** 31 * The height for the swipe up motion 32 */ getDefaultSwipeHeight(Context context, DeviceProfile dp)33 public static float getDefaultSwipeHeight(Context context, DeviceProfile dp) { 34 float swipeHeight = dp.allAppsCellHeightPx - dp.allAppsIconTextSizePx; 35 if (SysUINavigationMode.getMode(context) == SysUINavigationMode.Mode.NO_BUTTON) { 36 swipeHeight -= dp.getInsets().bottom; 37 } 38 return swipeHeight; 39 } 40 getShelfTrackingDistance(Context context, DeviceProfile dp, PagedOrientationHandler orientationHandler)41 public static int getShelfTrackingDistance(Context context, DeviceProfile dp, 42 PagedOrientationHandler orientationHandler) { 43 // Track the bottom of the window. 44 Rect taskSize = new Rect(); 45 LauncherActivityInterface.INSTANCE.calculateTaskSize( 46 context, dp, taskSize, orientationHandler); 47 return orientationHandler.getDistanceToBottomOfRect(dp, taskSize); 48 } 49 50 /** 51 * Recursively sets view and all children enabled/disabled. 52 * @param view Top most parent view to change. 53 * @param enabled True = enable, False = disable. 54 */ setViewEnabled(View view, boolean enabled)55 public static void setViewEnabled(View view, boolean enabled) { 56 view.setEnabled(enabled); 57 if (view instanceof ViewGroup) { 58 for (int i = 0; i < ((ViewGroup) view).getChildCount(); i++) { 59 setViewEnabled(((ViewGroup) view).getChildAt(i), enabled); 60 } 61 } 62 } 63 } 64