1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3;
import static android.content.Intent.EXTRA_COMPONENT_NAME;
import static android.content.Intent.EXTRA_USER;
import android.annotation.TargetApi;
import android.content.ComponentName;
import android.content.Intent;
import android.graphics.RectF;
import android.os.Build;
import android.os.Bundle;
import android.os.Message;
import android.os.RemoteException;
import android.os.UserHandle;
import android.util.Log;
import android.view.SurfaceControl;
import androidx.annotation.Nullable;
/**
* Class to encapsulate the handshake protocol between Launcher and gestureNav.
*/
public class GestureNavContract {
private static final String TAG = "GestureNavContract";
public static final String EXTRA_GESTURE_CONTRACT = "gesture_nav_contract_v1";
public static final String EXTRA_ICON_POSITION = "gesture_nav_contract_icon_position";
public static final String EXTRA_ICON_SURFACE = "gesture_nav_contract_surface_control";
public static final String EXTRA_REMOTE_CALLBACK = "android.intent.extra.REMOTE_CALLBACK";
public final ComponentName componentName;
public final UserHandle user;
private final Message mCallback;
public GestureNavContract(ComponentName componentName, UserHandle user, Message callback) {
this.componentName = componentName;
this.user = user;
this.mCallback = callback;
}
/**
* Sends the position information to the receiver
*/
@TargetApi(Build.VERSION_CODES.R)
public void sendEndPosition(RectF position, @Nullable SurfaceControl surfaceControl) {
Bundle result = new Bundle();
result.putParcelable(EXTRA_ICON_POSITION, position);
result.putParcelable(EXTRA_ICON_SURFACE, surfaceControl);
Message callback = Message.obtain();
callback.copyFrom(mCallback);
callback.setData(result);
try {
callback.replyTo.send(callback);
} catch (RemoteException e) {
Log.e(TAG, "Error sending icon position", e);
}
}
/**
* Clears and returns the GestureNavContract if it was present in the intent.
*/
public static GestureNavContract fromIntent(Intent intent) {
if (!Utilities.ATLEAST_R) {
return null;
}
Bundle extras = intent.getBundleExtra(EXTRA_GESTURE_CONTRACT);
if (extras == null) {
return null;
}
intent.removeExtra(EXTRA_GESTURE_CONTRACT);
ComponentName componentName = extras.getParcelable(EXTRA_COMPONENT_NAME);
UserHandle userHandle = extras.getParcelable(EXTRA_USER);
Message callback = extras.getParcelable(EXTRA_REMOTE_CALLBACK);
if (componentName != null && userHandle != null && callback != null
&& callback.replyTo != null) {
return new GestureNavContract(componentName, userHandle, callback);
}
return null;
}
}
|
