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/*
* Copyright (C) 2008 Esmertec AG.
* Copyright (C) 2008 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.im.app;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Typeface;
import android.provider.Im;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.text.style.ForegroundColorSpan;
import android.text.style.RelativeSizeSpan;
import android.text.style.StyleSpan;
import android.text.style.URLSpan;
import android.util.AttributeSet;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.im.R;
public class MessageView extends LinearLayout {
private TextView mMessage;
private Resources mResources;
public MessageView(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mMessage = (TextView) findViewById(R.id.message);
mResources = getResources();
}
public URLSpan[] getMessageLinks() {
return mMessage.getUrls();
}
public void bindIncomingMessage(String contact, String body, Date date,
Markup smileyRes, boolean scrolling) {
CharSequence message = formatMessage(contact, body, date, smileyRes, scrolling);
mMessage.setText(message);
mMessage.setTextColor(mResources.getColor(R.color.chat_msg));
}
public void bindOutgoingMessage(String body, Date date, Markup smileyRes, boolean scrolling) {
String contact = mResources.getString(R.string.me);
CharSequence message = formatMessage(contact, body, date, smileyRes, scrolling);
mMessage.setText(message);
mMessage.setTextColor(mResources.getColor(R.color.chat_msg));
}
public void bindPresenceMessage(String contact, int type, boolean isGroupChat,
boolean scrolling) {
CharSequence message = formatPresenceUpdates(contact, type, isGroupChat, scrolling);
mMessage.setText(message);
mMessage.setTextColor(mResources.getColor(R.color.chat_msg_presence));
}
public void bindErrorMessage(int errCode) {
mMessage.setText(R.string.msg_sent_failed);
mMessage.setTextColor(mResources.getColor(R.color.error));
}
private CharSequence formatMessage(String contact, String body,
Date date, Markup smileyRes, boolean scrolling) {
if (body.indexOf('\r') != -1) {
// first convert \r\n pair to \n, then single \r to \n.
// here we can't use HideReturnsTransformationMethod because
// it does only 1 to 1 transformation and is unable to handle
// the "\r\n" case.
body = body.replace("\r\n", "\n").replace('\r', '\n');
}
SpannableStringBuilder buf = new SpannableStringBuilder(contact);
buf.append(": ");
if (scrolling) {
buf.append(body);
} else {
buf.setSpan(ChatView.STYLE_BOLD, 0, buf.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
buf.append(smileyRes.markup(body));
if (date != null) {
appendTimeStamp(buf, date);
}
}
return buf;
}
private void appendTimeStamp(SpannableStringBuilder buf, Date date) {
DateFormat format = new SimpleDateFormat(mResources.getString(R.string.time_stamp));
String dateStr = format.format(date);
SpannableString spanText = new SpannableString(dateStr);
int len = spanText.length();
spanText.setSpan(new StyleSpan(Typeface.ITALIC),
0, len, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
spanText.setSpan(new RelativeSizeSpan(0.8f),
0, len, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
spanText.setSpan(new ForegroundColorSpan(
mResources.getColor(android.R.color.darker_gray)),
0, len, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
buf.append('\n');
buf.append(spanText);
}
private CharSequence formatPresenceUpdates(String contact, int type,
boolean isGroupChat, boolean scrolling) {
String body;
switch (type) {
case Im.MessageType.PRESENCE_AVAILABLE:
body = mResources.getString(isGroupChat ? R.string.contact_joined
: R.string.contact_online, contact);
break;
case Im.MessageType.PRESENCE_AWAY:
body = mResources.getString(R.string.contact_away, contact);
break;
case Im.MessageType.PRESENCE_DND:
body = mResources.getString(R.string.contact_busy, contact);
break;
case Im.MessageType.PRESENCE_UNAVAILABLE:
body = mResources.getString(isGroupChat ? R.string.contact_left
: R.string.contact_offline, contact);
break;
default:
return null;
}
if (scrolling) {
return body;
} else {
SpannableString spanText = new SpannableString(body);
int len = spanText.length();
spanText.setSpan(new StyleSpan(Typeface.ITALIC),
0, len, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
spanText.setSpan(new RelativeSizeSpan((float)0.8),
0, len, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
return spanText;
}
}
}
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