package com.fsck.k9.view;
import android.content.Context;
import android.graphics.Typeface;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.text.style.StyleSpan;
import android.util.Log;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.View;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.fsck.k9.FontSizes;
import com.fsck.k9.K9;
import com.fsck.k9.R;
import com.fsck.k9.helper.Contacts;
import com.fsck.k9.Account;
import com.fsck.k9.helper.DateFormatter;
import com.fsck.k9.mail.Address;
import com.fsck.k9.mail.Flag;
import com.fsck.k9.mail.Message;
import com.fsck.k9.mail.MessagingException;
import com.fsck.k9.mail.internet.MimeUtility;
import com.fsck.k9.mail.store.LocalStore;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import java.text.DateFormat;
public class MessageHeader extends LinearLayout
{
private Context mContext;
private TextView mFromView;
private TextView mDateView;
private TextView mTimeView;
private TextView mToView;
private TextView mCcView;
private TextView mSubjectView;
private DateFormat mDateFormat;
private DateFormat mTimeFormat;
private View mChip;
private CheckBox mFlagged;
private int defaultSubjectColor;
private LinearLayout mToContainerView;
private LinearLayout mCcContainerView;
private TextView mAdditionalHeadersView;
private View mAttachmentIcon;
private View mAnsweredIcon;
private Message mMessage;
private Account mAccount;
private FontSizes mFontSizes = K9.getFontSizes();
private Contacts mContacts;
/**
* Pair class is only available since API Level 5, so we need
* this helper class unfortunately
*/
private static class HeaderEntry
{
public String label;
public String value;
public HeaderEntry(String label, String value)
{
this.label = label;
this.value = value;
}
}
public MessageHeader(Context context, AttributeSet attrs)
{
super(context, attrs);
mContext = context;
mDateFormat = DateFormatter.getDateFormat(mContext);
mTimeFormat = android.text.format.DateFormat.getTimeFormat(mContext); // 12/24 date format
mContacts = Contacts.getInstance(mContext);
}
private void initializeLayout()
{
mAttachmentIcon = findViewById(R.id.attachment);
mAnsweredIcon = findViewById(R.id.answered);
mFromView = (TextView) findViewById(R.id.from);
mToView = (TextView) findViewById(R.id.to);
mCcView = (TextView) findViewById(R.id.cc);
mToContainerView = (LinearLayout) findViewById(R.id.to_container);
mCcContainerView = (LinearLayout) findViewById(R.id.cc_container);
mSubjectView = (TextView) findViewById(R.id.subject);
mAdditionalHeadersView = (TextView) findViewById(R.id.additional_headers_view);
mChip = findViewById(R.id.chip);
mDateView = (TextView) findViewById(R.id.date);
mTimeView = (TextView) findViewById(R.id.time);
mFlagged = (CheckBox) findViewById(R.id.flagged);
defaultSubjectColor = mSubjectView.getCurrentTextColor();
mSubjectView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewSubject());
mTimeView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewTime());
mDateView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewDate());
mAdditionalHeadersView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewAdditionalHeaders());
mAdditionalHeadersView.setVisibility(View.GONE);
mAttachmentIcon.setVisibility(View.GONE);
mAnsweredIcon.setVisibility(View.GONE);
mFromView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewSender());
mToView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewTo());
mCcView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewCC());
((TextView) findViewById(R.id.to_label)).setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewTo());
((TextView) findViewById(R.id.cc_label)).setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewCC());
setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
onShowAdditionalHeaders();
return;
}
});
mFromView.setOnClickListener( new OnClickListener()
{
@Override
public void onClick(View v)
{
if (mMessage != null)
{
try
{
final Address senderEmail = mMessage.getFrom()[0];
mContacts.createContact(senderEmail);
}
catch (Exception e)
{
Log.e(K9.LOG_TAG, "Couldn't create contact", e);
}
}
}
});
}
public void setOnFlagListener (OnClickListener listener)
{
mFlagged.setOnClickListener(listener);
}
public boolean additionalHeadersVisible()
{
if ( mAdditionalHeadersView != null && mAdditionalHeadersView.getVisibility() == View.VISIBLE )
{
return true;
}
else
{
return false;
}
}
/**
* Clear the text field for the additional headers display if they are
* not shown, to save UI resources.
*/
private void hideAdditionalHeaders()
{
mAdditionalHeadersView.setVisibility(View.GONE);
mAdditionalHeadersView.setText("");
}
/**
* Set up and then show the additional headers view. Called by
* {@link #onShowAdditionalHeaders()}
* (when switching between messages).
*/
private void showAdditionalHeaders()
{
Integer messageToShow = null;
try
{
// Retrieve additional headers
boolean allHeadersDownloaded = mMessage.isSet(Flag.X_GOT_ALL_HEADERS);
List<HeaderEntry> additionalHeaders = getAdditionalHeaders(mMessage);
if (!additionalHeaders.isEmpty())
{
// Show the additional headers that we have got.
populateAdditionalHeadersView(additionalHeaders);
mAdditionalHeadersView.setVisibility(View.VISIBLE);
}
if (!allHeadersDownloaded)
{
/*
* Tell the user about the "save all headers" setting
*
* NOTE: This is only a temporary solution... in fact,
* the system should download headers on-demand when they
* have not been saved in their entirety initially.
*/
messageToShow = R.string.message_additional_headers_not_downloaded;
}
else if (additionalHeaders.isEmpty())
{
// All headers have been downloaded, but there are no additional headers.
messageToShow = R.string.message_no_additional_headers_available;
}
}
catch (MessagingException e)
{
messageToShow = R.string.message_additional_headers_retrieval_failed;
}
// Show a message to the user, if any
if (messageToShow != null)
{
Toast toast = Toast.makeText(mContext, messageToShow, Toast.LENGTH_LONG);
toast.setGravity(Gravity.CENTER_VERTICAL | Gravity.CENTER_HORIZONTAL, 0, 0);
toast.show();
}
}
public void populate( final Message message, final Account account) throws MessagingException
{
final Contacts contacts = K9.showContactName() ? mContacts : null;
final CharSequence from = Address.toFriendly(message.getFrom(), contacts);
final String date = mDateFormat.format(message.getSentDate());
final String time = mTimeFormat.format(message.getSentDate());
final CharSequence to = Address.toFriendly(message.getRecipients(Message.RecipientType.TO), contacts);
final CharSequence cc = Address.toFriendly(message.getRecipients(Message.RecipientType.CC), contacts);
mMessage = message;
mAccount = account;
initializeLayout();
String subject = message.getSubject();
if (subject == null || subject.equals(""))
{
mSubjectView.setText(mContext.getText(R.string.general_no_subject));
}
else
{
mSubjectView.setText(subject);
}
mSubjectView.setTextColor(0xff000000 | defaultSubjectColor);
mFromView.setText(from);
if (date != null)
{
mDateView.setText(date);
mDateView.setVisibility(View.VISIBLE);
}
else
{
mDateView.setVisibility(View.GONE);
}
mTimeView.setText(time);
mToContainerView.setVisibility((to != null && to.length() > 0) ? View.VISIBLE : View.GONE);
mToView.setText(to);
mCcContainerView.setVisibility((cc != null && cc.length() > 0) ? View.VISIBLE : View.GONE);
mCcView.setText(cc);
mAttachmentIcon.setVisibility(((LocalStore.LocalMessage) message).hasAttachments() ? View.VISIBLE : View.GONE);
mAnsweredIcon.setVisibility(message.isSet(Flag.ANSWERED) ? View.VISIBLE : View.GONE);
mFlagged.setChecked(message.isSet(Flag.FLAGGED));
mChip.setBackgroundDrawable(mAccount.generateColorChip().drawable());
mChip.getBackground().setAlpha(!message.isSet(Flag.SEEN) ? 255 : 127);
setVisibility(View.VISIBLE);
if (mAdditionalHeadersView.getVisibility() == View.VISIBLE)
{
showAdditionalHeaders();
}
}
public void onShowAdditionalHeaders()
{
int currentVisibility = mAdditionalHeadersView.getVisibility();
if (currentVisibility == View.VISIBLE)
{
hideAdditionalHeaders();
}
else
{
showAdditionalHeaders();
}
}
private List<HeaderEntry> getAdditionalHeaders(final Message message)
throws MessagingException
{
List<HeaderEntry> additionalHeaders = new LinkedList<HeaderEntry>();
/*
* Remove "Subject" header as it is already shown in the standard
* message view header. But do show "From", "To", and "Cc" again.
* This time including the email addresses. See issue 1805.
*/
Set<String> headerNames = new HashSet<String>(message.getHeaderNames());
headerNames.remove("Subject");
for (String headerName : headerNames)
{
String[] headerValues = message.getHeader(headerName);
for (String headerValue : headerValues)
{
additionalHeaders.add(new HeaderEntry(headerName, headerValue));
}
}
return additionalHeaders;
}
/**
* Set up the additional headers text view with the supplied header data.
*
* @param additionalHeaders List of header entries. Each entry consists of a header
* name and a header value. Header names may appear multiple
* times.
* <p/>
* This method is always called from within the UI thread by
* {@link #showAdditionalHeaders()}.
*/
private void populateAdditionalHeadersView(final List<HeaderEntry> additionalHeaders)
{
SpannableStringBuilder sb = new SpannableStringBuilder();
boolean first = true;
for (HeaderEntry additionalHeader : additionalHeaders)
{
if (!first)
{
sb.append("\n");
}
else
{
first = false;
}
StyleSpan boldSpan = new StyleSpan(Typeface.BOLD);
SpannableString label = new SpannableString(additionalHeader.label + ": ");
label.setSpan(boldSpan, 0, label.length(), 0);
sb.append(label);
sb.append(MimeUtility.unfoldAndDecode(additionalHeader.value));
}
mAdditionalHeadersView.setText(sb);
}
}