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.util.DisplayController;
25 import com.android.launcher3.util.NavigationMode;
26 import com.android.quickstep.LauncherActivityInterface;
27 import com.android.quickstep.orientation.RecentsPagedOrientationHandler;
28 
29 public class LayoutUtils {
30 
31     /**
32      * The height for the swipe up motion
33      */
getDefaultSwipeHeight(Context context, DeviceProfile dp)34     public static float getDefaultSwipeHeight(Context context, DeviceProfile dp) {
35         float swipeHeight = dp.allAppsCellHeightPx - dp.allAppsIconTextSizePx;
36         if (DisplayController.getNavigationMode(context) == NavigationMode.NO_BUTTON) {
37             swipeHeight -= dp.getInsets().bottom;
38         }
39         return swipeHeight;
40     }
41 
getShelfTrackingDistance(Context context, DeviceProfile dp, RecentsPagedOrientationHandler orientationHandler)42     public static int getShelfTrackingDistance(Context context, DeviceProfile dp,
43             RecentsPagedOrientationHandler orientationHandler) {
44         // Track the bottom of the window.
45         Rect taskSize = new Rect();
46         LauncherActivityInterface.INSTANCE.calculateTaskSize(context, dp, taskSize,
47                 orientationHandler);
48         return orientationHandler.getDistanceToBottomOfRect(dp, taskSize);
49     }
50 
51     /**
52      * Recursively sets view and all children enabled/disabled.
53      * @param view Top most parent view to change.
54      * @param enabled True = enable, False = disable.
55      */
setViewEnabled(View view, boolean enabled)56     public static void setViewEnabled(View view, boolean enabled) {
57         view.setEnabled(enabled);
58         if (view instanceof ViewGroup) {
59             for (int i = 0; i < ((ViewGroup) view).getChildCount(); i++) {
60                 setViewEnabled(((ViewGroup) view).getChildAt(i), enabled);
61             }
62         }
63     }
64 }
65