NotificationData.java revision 379020aec619c66d3e040de01f0726687fd2ad85 
1/*
2 * Copyright (C) 2008 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
17package com.android.systemui.statusbar;
18
19import android.app.Notification;
20import android.os.IBinder;
21import android.view.View;
22
23import com.android.internal.statusbar.StatusBarNotification;
24
25import java.util.Comparator;
26import java.util.ArrayList;
27
28/**
29 * The list of currently displaying notifications.
30 */
31public class NotificationData {
32    public static final class Entry {
33        public IBinder key;
34        public StatusBarNotification notification;
35        public StatusBarIconView icon;
36        public View row; // the outer expanded view
37        public View content; // takes the click events and sends the PendingIntent
38        public View expanded; // the inflated RemoteViews
39        public Entry() {}
40        public Entry(IBinder key, StatusBarNotification n, StatusBarIconView ic) {
41            this.key = key;
42            this.notification = n;
43            this.icon = ic;
44        }
45    }
46    private final ArrayList<Entry> mEntries = new ArrayList<Entry>();
47    private final Comparator<Entry> mEntryCmp = new Comparator<Entry>() {
48        public int compare(Entry a, Entry b) {
49            return (int)(a.notification.notification.when - b.notification.notification.when);
50        }
51    };
52
53    public int size() {
54        return mEntries.size();
55    }
56
57    public Entry findByKey(IBinder key) {
58        for (Entry e : mEntries) {
59            if (e.key == key) {
60                return e;
61            }
62        }
63        return null;
64    }
65
66    public int add(Entry entry) {
67        int i;
68        int N = mEntries.size();
69        for (i=0; i<N; i++) {
70            if (mEntryCmp.compare(mEntries.get(i), entry) > 0) {
71                break;
72            }
73        }
74        mEntries.add(i, entry);
75        return i;
76    }
77
78    public int add(IBinder key, StatusBarNotification notification, View row, View content,
79            View expanded, StatusBarIconView icon) {
80        Entry entry = new Entry();
81        entry.key = key;
82        entry.notification = notification;
83        entry.row = row;
84        entry.content = content;
85        entry.expanded = expanded;
86        entry.icon = icon;
87        return add(entry);
88    }
89
90    public Entry remove(IBinder key) {
91        Entry e = findByKey(key);
92        if (e != null) {
93            mEntries.remove(e);
94        }
95        return e;
96    }
97
98    /**
99     * Return whether there are any visible items (i.e. items without an error).
100     */
101    public boolean hasVisibleItems() {
102        for (Entry e : mEntries) {
103            if (e.expanded != null) { // the view successfully inflated
104                return true;
105            }
106        }
107        return false;
108    }
109
110    /**
111     * Return whether there are any clearable items (that aren't errors).
112     */
113    public boolean hasClearableItems() {
114        for (Entry e : mEntries) {
115            if (e.expanded != null) { // the view successfully inflated
116                if ((e.notification.notification.flags & Notification.FLAG_NO_CLEAR) == 0) {
117                    return true;
118                }
119            }
120        }
121        return false;
122    }
123}
124