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
|
/*
* Copyright (C) 2016 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.systemui.stackdivider;
import static com.android.systemui.stackdivider.ForcedResizableInfoActivity
.EXTRA_FORCED_RESIZEABLE_REASON;
import android.app.ActivityOptions;
import android.content.Context;
import android.content.Intent;
import android.os.Handler;
import android.os.UserHandle;
import android.util.ArraySet;
import android.widget.Toast;
import com.android.systemui.R;
import com.android.systemui.recents.events.EventBus;
import com.android.systemui.recents.events.activity.AppTransitionFinishedEvent;
import com.android.systemui.recents.events.component.ShowUserToastEvent;
import com.android.systemui.recents.misc.SystemServicesProxy;
import com.android.systemui.recents.misc.TaskStackChangeListener;
import com.android.systemui.stackdivider.events.StartedDragingEvent;
import com.android.systemui.stackdivider.events.StoppedDragingEvent;
/**
* Controller that decides when to show the {@link ForcedResizableInfoActivity}.
*/
public class ForcedResizableInfoActivityController {
private static final String SELF_PACKAGE_NAME = "com.android.systemui";
private static final int TIMEOUT = 1000;
private final Context mContext;
private final Handler mHandler = new Handler();
private final ArraySet<PendingTaskRecord> mPendingTasks = new ArraySet<>();
private final ArraySet<String> mPackagesShownInSession = new ArraySet<>();
private boolean mDividerDraging;
private final Runnable mTimeoutRunnable = new Runnable() {
@Override
public void run() {
showPending();
}
};
/** Record of force resized task that's pending to be handled. */
private class PendingTaskRecord {
int taskId;
/**
* {@link android.app.ITaskStackListener#FORCED_RESIZEABLE_REASON_SPLIT_SCREEN} or
* {@link android.app.ITaskStackListener#FORCED_RESIZEABLE_REASON_SECONDARY_DISPLAY}
*/
int reason;
PendingTaskRecord(int taskId, int reason) {
this.taskId = taskId;
this.reason = reason;
}
}
public ForcedResizableInfoActivityController(Context context) {
mContext = context;
EventBus.getDefault().register(this);
SystemServicesProxy.getInstance(context).registerTaskStackListener(
new TaskStackChangeListener() {
@Override
public void onActivityForcedResizable(String packageName, int taskId,
int reason) {
activityForcedResizable(packageName, taskId, reason);
}
@Override
public void onActivityDismissingDockedStack() {
activityDismissingDockedStack();
}
@Override
public void onActivityLaunchOnSecondaryDisplayFailed() {
activityLaunchOnSecondaryDisplayFailed();
}
});
}
public void notifyDockedStackExistsChanged(boolean exists) {
if (!exists) {
mPackagesShownInSession.clear();
}
}
public final void onBusEvent(AppTransitionFinishedEvent event) {
if (!mDividerDraging) {
showPending();
}
}
public final void onBusEvent(StartedDragingEvent event) {
mDividerDraging = true;
mHandler.removeCallbacks(mTimeoutRunnable);
}
public final void onBusEvent(StoppedDragingEvent event) {
mDividerDraging = false;
showPending();
}
private void activityForcedResizable(String packageName, int taskId, int reason) {
if (debounce(packageName)) {
return;
}
mPendingTasks.add(new PendingTaskRecord(taskId, reason));
postTimeout();
}
private void activityDismissingDockedStack() {
EventBus.getDefault().send(new ShowUserToastEvent(
R.string.dock_non_resizeble_failed_to_dock_text, Toast.LENGTH_SHORT));
}
private void activityLaunchOnSecondaryDisplayFailed() {
EventBus.getDefault().send(new ShowUserToastEvent(
R.string.activity_launch_on_secondary_display_failed_text, Toast.LENGTH_SHORT));
}
private void showPending() {
mHandler.removeCallbacks(mTimeoutRunnable);
for (int i = mPendingTasks.size() - 1; i >= 0; i--) {
PendingTaskRecord pendingRecord = mPendingTasks.valueAt(i);
Intent intent = new Intent(mContext, ForcedResizableInfoActivity.class);
ActivityOptions options = ActivityOptions.makeBasic();
options.setLaunchTaskId(pendingRecord.taskId);
// Set as task overlay and allow to resume, so that when an app enters split-screen and
// becomes paused, the overlay will still be shown.
options.setTaskOverlay(true, true /* canResume */);
intent.putExtra(EXTRA_FORCED_RESIZEABLE_REASON, pendingRecord.reason);
mContext.startActivityAsUser(intent, options.toBundle(), UserHandle.CURRENT);
}
mPendingTasks.clear();
}
private void postTimeout() {
mHandler.removeCallbacks(mTimeoutRunnable);
mHandler.postDelayed(mTimeoutRunnable, TIMEOUT);
}
private boolean debounce(String packageName) {
if (packageName == null) {
return false;
}
// We launch ForcedResizableInfoActivity into a task that was forced resizable, so that
// triggers another notification. So ignore our own activity.
if (SELF_PACKAGE_NAME.equals(packageName)) {
return true;
}
boolean debounce = mPackagesShownInSession.contains(packageName);
mPackagesShownInSession.add(packageName);
return debounce;
}
}
|
