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 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 getAdditionalHeaders(final Message message) throws MessagingException { List additionalHeaders = new LinkedList(); /* * 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 headerNames = new HashSet(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. *

* This method is always called from within the UI thread by * {@link #showAdditionalHeaders()}. */ private void populateAdditionalHeadersView(final List 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); } }