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package com.android.mail.browse;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.ImageSpan;
import android.util.AttributeSet;
import android.widget.TextView;
import com.android.emailcommon.mail.Address;
import com.android.mail.R;
import com.android.mail.providers.Message;
import com.android.mail.providers.UIProvider;
import com.android.mail.utils.Utils;
public class SpamWarningView extends TextView {
// Prefix added to the Spam warning text so that ImageSpan overrides it to
// display the alert icon.
private static final String SPANNABLE_SPAM_WARNING_PREFIX = ".";
private final int mHighWarningColor;
private final int mLowWarningColor;
private final int mHighWarningBackgroundColor;
private final int mLowWarningBackgroundColor;
public SpamWarningView(Context context) {
this(context, null);
}
public SpamWarningView(Context context, AttributeSet attrs) {
super(context, attrs);
mHighWarningColor = getResources().getColor(R.color.high_spam_color);
mHighWarningBackgroundColor = getResources().getColor(
R.color.high_spam_warning_background_color);
mLowWarningColor = getResources().getColor(R.color.low_spam_color);
mLowWarningBackgroundColor = getResources().getColor(
R.color.low_spam_warning_background_color);
}
public void showSpamWarning(Message message, Address sender) {
setVisibility(VISIBLE);
// Sets the text and adds any necessary formatting
// to enable the proper display.
final String senderAddress = sender.getAddress();
final String senderDomain = senderAddress.substring(senderAddress.indexOf('@')+1);
final String spamWarningText = Utils.convertHtmlToPlainText(String.format(
message.spamWarningString, senderAddress, senderDomain));
final int alertIconResourceId;
if (message.spamWarningLevel == UIProvider.SpamWarningLevel.HIGH_WARNING) {
setBackgroundColor(mHighWarningBackgroundColor);
setTextColor(mHighWarningColor);
alertIconResourceId = R.drawable.ic_warning_white;
} else {
setBackgroundColor(mLowWarningBackgroundColor);
setTextColor(mLowWarningColor);
alertIconResourceId = R.drawable.ic_warning_gray;
}
final Drawable alertIcon = getResources().getDrawable(alertIconResourceId);
alertIcon.setBounds(0, 0, alertIcon.getIntrinsicWidth(), alertIcon.getIntrinsicHeight());
ImageSpan imageSpan = new ImageSpan(alertIcon, ImageSpan.ALIGN_BASELINE);
// Spam warning format: <Alert Icon><space><warning message>
SpannableString ss = new SpannableString(
SPANNABLE_SPAM_WARNING_PREFIX + " " + spamWarningText);
ss.setSpan(imageSpan, 0, SPANNABLE_SPAM_WARNING_PREFIX.length(),
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
setText(ss);
}
}
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