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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
/*
* Copyright (C) 2017 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 java.lang.annotation.RetentionPolicy.SOURCE;
import android.app.Activity;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.Intent;
import android.content.res.Configuration;
import android.graphics.Point;
import android.support.annotation.IntDef;
import android.view.Display;
import android.view.View.AccessibilityDelegate;
import com.android.launcher3.DeviceProfile.OnDeviceProfileChangeListener;
import com.android.launcher3.logging.UserEventDispatcher;
import com.android.launcher3.util.SystemUiController;
import java.lang.annotation.Retention;
import java.util.ArrayList;
public abstract class BaseActivity extends Activity {
public static final int INVISIBLE_BY_STATE_HANDLER = 1 << 0;
public static final int INVISIBLE_BY_APP_TRANSITIONS = 1 << 1;
public static final int INVISIBLE_ALL =
INVISIBLE_BY_STATE_HANDLER | INVISIBLE_BY_APP_TRANSITIONS;
@Retention(SOURCE)
@IntDef(
flag = true,
value = {INVISIBLE_BY_STATE_HANDLER, INVISIBLE_BY_APP_TRANSITIONS})
public @interface InvisibilityFlags{}
private final ArrayList<OnDeviceProfileChangeListener> mDPChangeListeners = new ArrayList<>();
private final ArrayList<MultiWindowModeChangedListener> mMultiWindowModeChangedListeners =
new ArrayList<>();
protected DeviceProfile mDeviceProfile;
protected UserEventDispatcher mUserEventDispatcher;
protected SystemUiController mSystemUiController;
private static final int ACTIVITY_STATE_STARTED = 1 << 0;
private static final int ACTIVITY_STATE_RESUMED = 1 << 1;
/**
* State flag indicating if the user is active or the actitvity when to background as a result
* of user action.
* @see #isUserActive()
*/
private static final int ACTIVITY_STATE_USER_ACTIVE = 1 << 2;
@Retention(SOURCE)
@IntDef(
flag = true,
value = {ACTIVITY_STATE_STARTED, ACTIVITY_STATE_RESUMED, ACTIVITY_STATE_USER_ACTIVE})
public @interface ActivityFlags{}
@ActivityFlags
private int mActivityFlags;
// When the recents animation is running, the visibility of the Launcher is managed by the
// animation
@InvisibilityFlags private int mForceInvisible;
public DeviceProfile getDeviceProfile() {
return mDeviceProfile;
}
public AccessibilityDelegate getAccessibilityDelegate() {
return null;
}
public final UserEventDispatcher getUserEventDispatcher() {
if (mUserEventDispatcher == null) {
mUserEventDispatcher = UserEventDispatcher.newInstance(this, mDeviceProfile);
}
return mUserEventDispatcher;
}
public boolean isInMultiWindowModeCompat() {
return Utilities.ATLEAST_NOUGAT && isInMultiWindowMode();
}
public static BaseActivity fromContext(Context context) {
if (context instanceof BaseActivity) {
return (BaseActivity) context;
}
return ((BaseActivity) ((ContextWrapper) context).getBaseContext());
}
public SystemUiController getSystemUiController() {
if (mSystemUiController == null) {
mSystemUiController = new SystemUiController(getWindow());
}
return mSystemUiController;
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
}
@Override
protected void onStart() {
mActivityFlags |= ACTIVITY_STATE_STARTED;
super.onStart();
}
@Override
protected void onResume() {
mActivityFlags |= ACTIVITY_STATE_RESUMED | ACTIVITY_STATE_USER_ACTIVE;
super.onResume();
}
@Override
protected void onUserLeaveHint() {
mActivityFlags &= ~ACTIVITY_STATE_USER_ACTIVE;
super.onUserLeaveHint();
}
@Override
public void onMultiWindowModeChanged(boolean isInMultiWindowMode, Configuration newConfig) {
super.onMultiWindowModeChanged(isInMultiWindowMode, newConfig);
for (int i = mMultiWindowModeChangedListeners.size() - 1; i >= 0; i--) {
mMultiWindowModeChangedListeners.get(i).onMultiWindowModeChanged(isInMultiWindowMode);
}
}
@Override
protected void onStop() {
mActivityFlags &= ~ACTIVITY_STATE_STARTED & ~ACTIVITY_STATE_USER_ACTIVE;
mForceInvisible = 0;
super.onStop();
}
@Override
protected void onPause() {
mActivityFlags &= ~ACTIVITY_STATE_RESUMED;
super.onPause();
}
public boolean isStarted() {
return (mActivityFlags & ACTIVITY_STATE_STARTED) != 0;
}
/**
* isResumed in already defined as a hidden final method in Activity.java
*/
public boolean hasBeenResumed() {
return (mActivityFlags & ACTIVITY_STATE_RESUMED) != 0;
}
public boolean isUserActive() {
return (mActivityFlags & ACTIVITY_STATE_USER_ACTIVE) != 0;
}
public void addOnDeviceProfileChangeListener(OnDeviceProfileChangeListener listener) {
mDPChangeListeners.add(listener);
}
public void removeOnDeviceProfileChangeListener(OnDeviceProfileChangeListener listener) {
mDPChangeListeners.remove(listener);
}
protected void dispatchDeviceProfileChanged() {
for (int i = mDPChangeListeners.size() - 1; i >= 0; i--) {
mDPChangeListeners.get(i).onDeviceProfileChanged(mDeviceProfile);
}
}
public void addMultiWindowModeChangedListener(MultiWindowModeChangedListener listener) {
mMultiWindowModeChangedListeners.add(listener);
}
public void removeMultiWindowModeChangedListener(MultiWindowModeChangedListener listener) {
mMultiWindowModeChangedListeners.remove(listener);
}
/**
* Used to set the override visibility state, used only to handle the transition home with the
* recents animation.
* @see LauncherAppTransitionManagerImpl.getWallpaperOpenRunner()
*/
public void addForceInvisibleFlag(@InvisibilityFlags int flag) {
mForceInvisible |= flag;
}
public void clearForceInvisibleFlag(@InvisibilityFlags int flag) {
mForceInvisible &= ~flag;
}
/**
* @return Wether this activity should be considered invisible regardless of actual visibility.
*/
public boolean isForceInvisible() {
return mForceInvisible != 0;
}
public interface MultiWindowModeChangedListener {
void onMultiWindowModeChanged(boolean isInMultiWindowMode);
}
}
|
