1 /*
2  * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game
3  * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
18  */
19 
20 package org.hedgewars.hedgeroid.netplay;
21 
22 import java.util.Collection;
23 import java.util.Collections;
24 import java.util.Date;
25 import java.util.LinkedList;
26 import java.util.List;
27 
28 import org.hedgewars.hedgeroid.R;
29 import org.hedgewars.hedgeroid.frontlib.Frontlib;
30 
31 import android.content.Context;
32 import android.graphics.Color;
33 import android.graphics.Typeface;
34 import android.text.Html;
35 import android.text.Spannable;
36 import android.text.SpannableString;
37 import android.text.SpannableStringBuilder;
38 import android.text.Spanned;
39 import android.text.TextUtils;
40 import android.text.format.DateFormat;
41 import android.text.style.ForegroundColorSpan;
42 import android.text.style.RelativeSizeSpan;
43 import android.text.style.StyleSpan;
44 import android.util.Log;
45 
46 public class MessageLog {
47     private static final int BACKLOG_LINES = 200;
48 
49     private static final int INFO_COLOR = Color.GRAY;
50     private static final int PLAYERINFO_COLOR = Color.GREEN;
51     private static final int CHAT_COLOR = Color.GREEN;
52     private static final int MECHAT_COLOR = Color.CYAN;
53     private static final int WARN_COLOR = Color.RED;
54     private static final int ERROR_COLOR = Color.RED;
55 
56     private final Context context;
57     private List<Listener> observers = new LinkedList<Listener>();
58     private List<CharSequence> log = new LinkedList<CharSequence>();
59 
MessageLog(Context context)60     public MessageLog(Context context) {
61         this.context = context;
62     }
63 
makeLogTime()64     private Spanned makeLogTime() {
65         String time = DateFormat.getTimeFormat(context).format(new Date());
66         return withColor("[" + time + "] ", INFO_COLOR);
67     }
68 
span(CharSequence s, Object o)69     private static Spanned span(CharSequence s, Object o) {
70         Spannable spannable = new SpannableString(s);
71         spannable.setSpan(o, 0, s.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
72         return spannable;
73     }
74 
withColor(CharSequence s, int color)75     private static Spanned withColor(CharSequence s, int color) {
76         return span(s, new ForegroundColorSpan(color));
77     }
78 
bold(CharSequence s)79     private static Spanned bold(CharSequence s) {
80         return span(s, new StyleSpan(Typeface.BOLD));
81     }
82 
append(CharSequence msg)83     private void append(CharSequence msg) {
84         SpannableStringBuilder ssb = new SpannableStringBuilder();
85         ssb.append(makeLogTime()).append(msg);
86         appendRaw(ssb);
87     }
88 
appendRaw(CharSequence msg)89     private void appendRaw(CharSequence msg) {
90         if(log.size() > BACKLOG_LINES) {
91             log.remove(0);
92             for(Listener o : observers) {
93                 o.lineRemoved();
94             }
95         }
96         log.add(msg);
97         for(Listener o : observers) {
98             o.lineAdded(msg);
99         }
100     }
101 
appendPlayerJoin(String playername)102     void appendPlayerJoin(String playername) {
103         append(withColor("***" + context.getResources().getString(R.string.log_player_join, playername), INFO_COLOR));
104     }
105 
appendPlayerLeave(String playername, String partMsg)106     void appendPlayerLeave(String playername, String partMsg) {
107         String msg = "***";
108         if(partMsg != null) {
109             msg += context.getResources().getString(R.string.log_player_leave_with_msg, playername, partMsg);
110         } else {
111             msg += context.getResources().getString(R.string.log_player_leave, playername);
112         }
113         append(withColor(msg, INFO_COLOR));
114     }
115 
appendChat(String playerName, String msg)116     void appendChat(String playerName, String msg) {
117         if(msg.startsWith("/me ")) {
118             append(withColor("*"+playerName+" "+msg.substring(4), MECHAT_COLOR));
119         } else {
120             Spanned name = bold(playerName+": ");
121             Spanned fullMessage = withColor(TextUtils.concat(name, msg), CHAT_COLOR);
122             append(fullMessage);
123         }
124     }
125 
appendMessage(int type, String msg)126     void appendMessage(int type, String msg) {
127         switch(type) {
128         case Frontlib.NETCONN_MSG_TYPE_ERROR:
129             append(withColor("***"+msg, ERROR_COLOR));
130             break;
131         case Frontlib.NETCONN_MSG_TYPE_WARNING:
132             append(withColor("***"+msg, WARN_COLOR));
133             break;
134         case Frontlib.NETCONN_MSG_TYPE_PLAYERINFO:
135             append(withColor(msg.replace("\n", " "), PLAYERINFO_COLOR));
136             break;
137         case Frontlib.NETCONN_MSG_TYPE_SERVERMESSAGE:
138             appendRaw(span(TextUtils.concat("\n", Html.fromHtml(msg), "\n"), new RelativeSizeSpan(1.5f)));
139             break;
140         default:
141             Log.e("MessageLog", "Unknown messagetype "+type);
142         }
143     }
144 
clear()145     void clear() {
146         for(Listener o : observers) {
147             o.clear();
148         }
149         log.clear();
150     }
151 
addListener(Listener o)152     public void addListener(Listener o) {
153         observers.add(o);
154     }
155 
removeListener(Listener o)156     public void removeListener(Listener o) {
157         observers.remove(o);
158     }
159 
160     public static interface Listener {
lineAdded(CharSequence text)161         void lineAdded(CharSequence text);
lineRemoved()162         void lineRemoved();
clear()163         void clear();
164     }
165 
getLog()166     public Collection<CharSequence> getLog() {
167         return Collections.unmodifiableList(log);
168     }
169 }
170