1 package com.android.mail.browse; 2 3 import android.content.Context; 4 import android.graphics.drawable.Drawable; 5 import android.text.Spannable; 6 import android.text.SpannableString; 7 import android.text.style.ImageSpan; 8 import android.util.AttributeSet; 9 import android.widget.TextView; 10 11 import com.android.emailcommon.mail.Address; 12 import com.android.mail.R; 13 import com.android.mail.providers.Message; 14 import com.android.mail.providers.UIProvider; 15 import com.android.mail.utils.Utils; 16 17 public class SpamWarningView extends TextView { 18 // Prefix added to the Spam warning text so that ImageSpan overrides it to 19 // display the alert icon. 20 private static final String SPANNABLE_SPAM_WARNING_PREFIX = "."; 21 22 private final int mHighWarningColor; 23 private final int mLowWarningColor; 24 private final int mHighWarningBackgroundColor; 25 private final int mLowWarningBackgroundColor; 26 SpamWarningView(Context context)27 public SpamWarningView(Context context) { 28 this(context, null); 29 } 30 SpamWarningView(Context context, AttributeSet attrs)31 public SpamWarningView(Context context, AttributeSet attrs) { 32 super(context, attrs); 33 mHighWarningColor = getResources().getColor(R.color.high_spam_color); 34 mHighWarningBackgroundColor = getResources().getColor( 35 R.color.high_spam_warning_background_color); 36 mLowWarningColor = getResources().getColor(R.color.low_spam_color); 37 mLowWarningBackgroundColor = getResources().getColor( 38 R.color.low_spam_warning_background_color); 39 } 40 showSpamWarning(Message message, Address sender)41 public void showSpamWarning(Message message, Address sender) { 42 setVisibility(VISIBLE); 43 44 // Sets the text and adds any necessary formatting 45 // to enable the proper display. 46 final String senderAddress = sender.getAddress(); 47 final String senderDomain = senderAddress.substring(senderAddress.indexOf('@')+1); 48 final String spamWarningText = Utils.convertHtmlToPlainText(String.format( 49 message.spamWarningString, senderAddress, senderDomain)); 50 final int alertIconResourceId; 51 if (message.spamWarningLevel == UIProvider.SpamWarningLevel.HIGH_WARNING) { 52 setBackgroundColor(mHighWarningBackgroundColor); 53 setTextColor(mHighWarningColor); 54 alertIconResourceId = R.drawable.ic_warning_white; 55 } else { 56 setBackgroundColor(mLowWarningBackgroundColor); 57 setTextColor(mLowWarningColor); 58 alertIconResourceId = R.drawable.ic_warning_gray; 59 } 60 final Drawable alertIcon = getResources().getDrawable(alertIconResourceId); 61 alertIcon.setBounds(0, 0, alertIcon.getIntrinsicWidth(), alertIcon.getIntrinsicHeight()); 62 ImageSpan imageSpan = new ImageSpan(alertIcon, ImageSpan.ALIGN_BASELINE); 63 64 // Spam warning format: <Alert Icon><space><warning message> 65 SpannableString ss = new SpannableString( 66 SPANNABLE_SPAM_WARNING_PREFIX + " " + spamWarningText); 67 ss.setSpan(imageSpan, 0, SPANNABLE_SPAM_WARNING_PREFIX.length(), 68 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 69 setText(ss); 70 } 71 } 72