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
|
/*
* Copyright (C) 2014 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.recents;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.WindowManager;
import android.widget.FrameLayout;
import com.android.systemui.recent.RecentTasksLoader;
import com.android.systemui.recents.model.SpaceNode;
import com.android.systemui.recents.model.TaskStack;
import com.android.systemui.recents.views.RecentsView;
import com.android.systemui.R;
import java.util.ArrayList;
/* Activity */
public class RecentsActivity extends Activity {
FrameLayout mContainerView;
RecentsView mRecentsView;
View mEmptyView;
boolean mVisible;
/** Updates the set of recent tasks */
void updateRecentsTasks() {
RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
SpaceNode root = loader.reload(this, Constants.Values.RecentsTaskLoader.PreloadFirstTasksCount);
ArrayList<TaskStack> stacks = root.getStacks();
if (!stacks.isEmpty()) {
mRecentsView.setBSP(root);
}
// Add the default no-recents layout
if (stacks.size() == 1 && stacks.get(0).getTaskCount() == 0) {
mEmptyView.setVisibility(View.VISIBLE);
// Dim the background even more
WindowManager.LayoutParams wlp = getWindow().getAttributes();
wlp.dimAmount = Constants.Values.Window.DarkBackgroundDim;
getWindow().setAttributes(wlp);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
} else {
mEmptyView.setVisibility(View.GONE);
}
}
/** Dismisses recents if we are already visible and the intent is to toggle the recents view */
boolean dismissRecentsIfVisible(Intent intent) {
if ("com.android.systemui.recents.TOGGLE_RECENTS".equals(intent.getAction())) {
if (mVisible) {
if (!mRecentsView.launchFirstTask()) {
finish();
}
return true;
}
}
return false;
}
/** Called with the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Console.logDivider(Constants.DebugFlags.App.SystemUIHandshake);
Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onCreate]",
getIntent().getAction() + " visible: " + mVisible, Console.AnsiRed);
// Initialize the loader and the configuration
RecentsTaskLoader.initialize(this);
RecentsConfiguration.reinitialize(this);
// Dismiss recents if it is visible and we are toggling
if (dismissRecentsIfVisible(getIntent())) return;
// Set the background dim
WindowManager.LayoutParams wlp = getWindow().getAttributes();
wlp.dimAmount = Constants.Values.Window.BackgroundDim;
getWindow().setAttributes(wlp);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
// Create the view hierarchy
mRecentsView = new RecentsView(this);
mRecentsView.setLayoutParams(new FrameLayout.LayoutParams(
FrameLayout.LayoutParams.MATCH_PARENT,
FrameLayout.LayoutParams.MATCH_PARENT));
// Create the empty view
LayoutInflater inflater = LayoutInflater.from(this);
mEmptyView = inflater.inflate(R.layout.recents_empty, mContainerView, false);
mContainerView = new FrameLayout(this);
mContainerView.addView(mRecentsView);
mContainerView.addView(mEmptyView);
setContentView(mContainerView);
// Update the recent tasks
updateRecentsTasks();
}
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
Console.logDivider(Constants.DebugFlags.App.SystemUIHandshake);
Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onNewIntent]",
intent.getAction() + " visible: " + mVisible, Console.AnsiRed);
// Dismiss recents if it is visible and we are toggling
if (dismissRecentsIfVisible(intent)) return;
// Initialize the loader and the configuration
RecentsTaskLoader.initialize(this);
RecentsConfiguration.reinitialize(this);
// Update the recent tasks
updateRecentsTasks();
}
@Override
protected void onStart() {
Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onStart]", "",
Console.AnsiRed);
super.onStart();
mVisible = true;
}
@Override
protected void onResume() {
Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onResume]", "",
Console.AnsiRed);
super.onResume();
}
@Override
protected void onPause() {
Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onPause]", "",
Console.AnsiRed);
super.onPause();
// Stop the loader immediately when we leave Recents
RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
loader.stopLoader();
}
@Override
protected void onStop() {
Console.log(Constants.DebugFlags.App.SystemUIHandshake, "[RecentsActivity|onStop]", "",
Console.AnsiRed);
super.onStop();
mVisible = false;
}
@Override
public void onTrimMemory(int level) {
RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
if (loader != null) {
loader.onTrimMemory(level);
}
}
@Override
public void onBackPressed() {
if (!mRecentsView.unfilterFilteredStacks()) {
super.onBackPressed();
}
}
}
|
