1 /*
2  * Copyright (C) 2020 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.launcher3.states;
17 
18 import android.content.Context;
19 
20 import com.android.launcher3.Launcher;
21 import com.android.launcher3.LauncherState;
22 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
23 
24 /**
25  * Scale down workspace/hotseat to hint at going to either overview (on pause) or first home screen.
26  */
27 public class HintState extends LauncherState {
28 
29     private static final int STATE_FLAGS = FLAG_WORKSPACE_INACCESSIBLE | FLAG_DISABLE_RESTORE
30             | FLAG_HAS_SYS_UI_SCRIM;
31 
HintState(int id)32     public HintState(int id) {
33         super(id, ContainerType.DEFAULT_CONTAINERTYPE, STATE_FLAGS);
34     }
35 
36     @Override
getTransitionDuration(Context context)37     public int getTransitionDuration(Context context) {
38         return 80;
39     }
40 
41     @Override
getDepthUnchecked(Context context)42     protected float getDepthUnchecked(Context context) {
43         return 0.15f;
44     }
45 
46     @Override
getOverviewScrimAlpha(Launcher launcher)47     public float getOverviewScrimAlpha(Launcher launcher) {
48         return 0.4f;
49     }
50 
51     @Override
getWorkspaceScaleAndTranslation(Launcher launcher)52     public ScaleAndTranslation getWorkspaceScaleAndTranslation(Launcher launcher) {
53         return new ScaleAndTranslation(0.92f, 0, 0);
54     }
55 
56     @Override
getQsbScaleAndTranslation(Launcher launcher)57     public ScaleAndTranslation getQsbScaleAndTranslation(Launcher launcher) {
58         // Treat the QSB as part of the hotseat so they move together.
59         return getHotseatScaleAndTranslation(launcher);
60     }
61 }
62