package com.fsck.k9.view; import android.content.Context; import android.graphics.Typeface; import android.os.Parcel; import android.os.Parcelable; 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.view.View.OnClickListener; import android.widget.CheckBox; import android.widget.ImageView; import android.widget.ScrollView; 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 java.util.LinkedHashSet; import java.util.LinkedList; import java.util.List; import java.util.Set; import java.text.DateFormat; public class MessageHeader extends ScrollView implements OnClickListener { 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 View mChip2; private View mChip3; private CheckBox mFlagged; private int defaultSubjectColor; private LinearLayout mToContainerView; private LinearLayout mCcContainerView; private TextView mAdditionalHeadersView; private View mAnsweredIcon; private Message mMessage; private Account mAccount; private FontSizes mFontSizes = K9.getFontSizes(); private Contacts mContacts; private ImageView mShowAdditionalHeadersIcon; private SavedState mSavedState; private OnLayoutChangedListener mOnLayoutChangedListener; /** * 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() { 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); mChip2 = findViewById(R.id.chip2); mChip3 = findViewById(R.id.chip3); mDateView = (TextView) findViewById(R.id.date); mTimeView = (TextView) findViewById(R.id.time); mFlagged = (CheckBox) findViewById(R.id.flagged); mShowAdditionalHeadersIcon = (ImageView) findViewById(R.id.show_additional_headers_icon); defaultSubjectColor = mSubjectView.getCurrentTextColor(); mSubjectView.setTextSize(TypedValue.COMPLEX_UNIT_SP, mFontSizes.getMessageViewSubject()); mTimeView.setTextSize(TypedValue.COMPLEX_UNIT_SP, mFontSizes.getMessageViewTime()); mDateView.setTextSize(TypedValue.COMPLEX_UNIT_SP, mFontSizes.getMessageViewDate()); mAdditionalHeadersView.setTextSize(TypedValue.COMPLEX_UNIT_SP, mFontSizes.getMessageViewAdditionalHeaders()); hideAdditionalHeaders(); mAnsweredIcon.setVisibility(View.GONE); mFromView.setTextSize(TypedValue.COMPLEX_UNIT_SP, mFontSizes.getMessageViewSender()); mToView.setTextSize(TypedValue.COMPLEX_UNIT_SP, mFontSizes.getMessageViewTo()); mCcView.setTextSize(TypedValue.COMPLEX_UNIT_SP, mFontSizes.getMessageViewCC()); ((TextView) findViewById(R.id.to_label)).setTextSize(TypedValue.COMPLEX_UNIT_SP, mFontSizes.getMessageViewTo()); ((TextView) findViewById(R.id.cc_label)).setTextSize(TypedValue.COMPLEX_UNIT_SP, mFontSizes.getMessageViewCC()); findViewById(R.id.show_additional_headers_area).setOnClickListener(this); findViewById(R.id.additional_headers_row).setOnClickListener(this); mFromView.setOnClickListener(this); mToView.setOnClickListener(this); mCcView.setOnClickListener(this); } @Override public void onClick(View view) { switch (view.getId()) { case R.id.additional_headers_row: case R.id.show_additional_headers_area: { onShowAdditionalHeaders(); break; } case R.id.from: { onAddSenderToContacts(); break; } case R.id.to: case R.id.cc: { expand((TextView)view, ((TextView)view).getEllipsize() != null); layoutChanged(); } } } private void onAddSenderToContacts() { 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) { if (mFlagged == null) return; mFlagged.setOnClickListener(listener); } public boolean additionalHeadersVisible() { return (mAdditionalHeadersView != null && mAdditionalHeadersView.getVisibility() == View.VISIBLE); } /** * 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(""); mShowAdditionalHeadersIcon.setImageResource(R.drawable.show_more); } /** * 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); mShowAdditionalHeadersIcon.setImageResource(R.drawable.show_less); } 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); mAnsweredIcon.setVisibility(message.isSet(Flag.ANSWERED) ? View.VISIBLE : View.GONE); mFlagged.setChecked(message.isSet(Flag.FLAGGED)); int chipColor = mAccount.getChipColor(); int chipColorAlpha = (!message.isSet(Flag.SEEN)) ? 255 : 127; mChip.setBackgroundColor(chipColor); mChip.getBackground().setAlpha(chipColorAlpha); mChip2.setBackgroundColor(chipColor); mChip2.getBackground().setAlpha(chipColorAlpha); mChip3.setBackgroundColor(chipColor); mChip3.getBackground().setAlpha(chipColorAlpha); setVisibility(View.VISIBLE); if (mSavedState != null) { if (mSavedState.additionalHeadersVisible) { showAdditionalHeaders(); } mSavedState = null; } else { hideAdditionalHeaders(); } } public void onShowAdditionalHeaders() { int currentVisibility = mAdditionalHeadersView.getVisibility(); if (currentVisibility == View.VISIBLE) { hideAdditionalHeaders(); expand(mToView, false); expand(mCcView, false); } else { showAdditionalHeaders(); expand(mToView, true); expand(mCcView, true); } layoutChanged(); } /** * Expand or collapse a TextView by removing or adding the 2 lines limitation */ private void expand(TextView v, boolean expand) { if (expand) { v.setMaxLines(Integer.MAX_VALUE); v.setEllipsize(null); } else { v.setMaxLines(2); v.setEllipsize(android.text.TextUtils.TruncateAt.END); } } 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 LinkedHashSet(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); } @Override public Parcelable onSaveInstanceState() { Parcelable superState = super.onSaveInstanceState(); SavedState savedState = new SavedState(superState); savedState.additionalHeadersVisible = additionalHeadersVisible(); return savedState; } @Override public void onRestoreInstanceState(Parcelable state) { if(!(state instanceof SavedState)) { super.onRestoreInstanceState(state); return; } SavedState savedState = (SavedState)state; super.onRestoreInstanceState(savedState.getSuperState()); mSavedState = savedState; } static class SavedState extends BaseSavedState { boolean additionalHeadersVisible; @SuppressWarnings("hiding") public static final Parcelable.Creator CREATOR = new Parcelable.Creator() { @Override public SavedState createFromParcel(Parcel in) { return new SavedState(in); } @Override public SavedState[] newArray(int size) { return new SavedState[size]; } }; SavedState(Parcelable superState) { super(superState); } private SavedState(Parcel in) { super(in); this.additionalHeadersVisible = (in.readInt() != 0); } @Override public void writeToParcel(Parcel out, int flags) { super.writeToParcel(out, flags); out.writeInt((this.additionalHeadersVisible) ? 1 : 0); } } public interface OnLayoutChangedListener { void onLayoutChanged(); } public void setOnLayoutChangedListener(OnLayoutChangedListener listener) { mOnLayoutChangedListener = listener; } private void layoutChanged() { if (mOnLayoutChangedListener != null) { mOnLayoutChangedListener.onLayoutChanged(); } } }