mirror of https://github.com/moparisthebest/k-9
299 lines
12 KiB
Java
299 lines
12 KiB
Java
package com.fsck.k9.view;
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import android.content.Context;
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import android.graphics.Typeface;
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import android.text.SpannableString;
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import android.text.SpannableStringBuilder;
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import android.text.style.StyleSpan;
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import android.util.Log;
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import android.util.AttributeSet;
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import android.util.TypedValue;
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import android.view.Gravity;
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import android.view.View;
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import android.widget.CheckBox;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.fsck.k9.FontSizes;
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import com.fsck.k9.K9;
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import com.fsck.k9.R;
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import com.fsck.k9.helper.Contacts;
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import com.fsck.k9.Account;
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import com.fsck.k9.helper.DateFormatter;
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import com.fsck.k9.mail.Address;
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import com.fsck.k9.mail.Flag;
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import com.fsck.k9.mail.Message;
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import com.fsck.k9.mail.MessagingException;
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import com.fsck.k9.mail.internet.MimeUtility;
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import com.fsck.k9.mail.store.LocalStore;
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import java.util.HashSet;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Set;
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import java.text.DateFormat;
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public class MessageHeader extends LinearLayout {
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private Context mContext;
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private TextView mFromView;
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private TextView mDateView;
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private TextView mTimeView;
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private TextView mToView;
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private TextView mCcView;
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private TextView mSubjectView;
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private DateFormat mDateFormat;
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private DateFormat mTimeFormat;
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private View mChip;
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private CheckBox mFlagged;
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private int defaultSubjectColor;
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private LinearLayout mToContainerView;
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private LinearLayout mCcContainerView;
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private TextView mAdditionalHeadersView;
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private View mAttachmentIcon;
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private View mAnsweredIcon;
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private Message mMessage;
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private Account mAccount;
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private FontSizes mFontSizes = K9.getFontSizes();
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private Contacts mContacts;
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/**
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* Pair class is only available since API Level 5, so we need
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* this helper class unfortunately
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*/
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private static class HeaderEntry {
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public String label;
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public String value;
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public HeaderEntry(String label, String value) {
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this.label = label;
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this.value = value;
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}
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}
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public MessageHeader(Context context, AttributeSet attrs) {
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super(context, attrs);
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mContext = context;
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mDateFormat = DateFormatter.getDateFormat(mContext);
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mTimeFormat = android.text.format.DateFormat.getTimeFormat(mContext); // 12/24 date format
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mContacts = Contacts.getInstance(mContext);
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}
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private void initializeLayout() {
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mAttachmentIcon = findViewById(R.id.attachment);
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mAnsweredIcon = findViewById(R.id.answered);
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mFromView = (TextView) findViewById(R.id.from);
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mToView = (TextView) findViewById(R.id.to);
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mCcView = (TextView) findViewById(R.id.cc);
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mToContainerView = (LinearLayout) findViewById(R.id.to_container);
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mCcContainerView = (LinearLayout) findViewById(R.id.cc_container);
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mSubjectView = (TextView) findViewById(R.id.subject);
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mAdditionalHeadersView = (TextView) findViewById(R.id.additional_headers_view);
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mChip = findViewById(R.id.chip);
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mDateView = (TextView) findViewById(R.id.date);
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mTimeView = (TextView) findViewById(R.id.time);
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mFlagged = (CheckBox) findViewById(R.id.flagged);
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defaultSubjectColor = mSubjectView.getCurrentTextColor();
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mSubjectView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewSubject());
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mTimeView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewTime());
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mDateView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewDate());
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mAdditionalHeadersView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewAdditionalHeaders());
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mAdditionalHeadersView.setVisibility(View.GONE);
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mAttachmentIcon.setVisibility(View.GONE);
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mAnsweredIcon.setVisibility(View.GONE);
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mFromView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewSender());
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mToView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewTo());
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mCcView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewCC());
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((TextView) findViewById(R.id.to_label)).setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewTo());
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((TextView) findViewById(R.id.cc_label)).setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewCC());
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setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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onShowAdditionalHeaders();
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return;
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}
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});
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mFromView.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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if (mMessage != null) {
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try {
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final Address senderEmail = mMessage.getFrom()[0];
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mContacts.createContact(senderEmail);
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} catch (Exception e) {
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Log.e(K9.LOG_TAG, "Couldn't create contact", e);
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}
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}
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}
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});
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}
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public void setOnFlagListener(OnClickListener listener) {
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mFlagged.setOnClickListener(listener);
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}
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public boolean additionalHeadersVisible() {
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if (mAdditionalHeadersView != null && mAdditionalHeadersView.getVisibility() == View.VISIBLE) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* Clear the text field for the additional headers display if they are
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* not shown, to save UI resources.
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*/
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private void hideAdditionalHeaders() {
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mAdditionalHeadersView.setVisibility(View.GONE);
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mAdditionalHeadersView.setText("");
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}
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/**
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* Set up and then show the additional headers view. Called by
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* {@link #onShowAdditionalHeaders()}
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* (when switching between messages).
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*/
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private void showAdditionalHeaders() {
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Integer messageToShow = null;
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try {
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// Retrieve additional headers
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boolean allHeadersDownloaded = mMessage.isSet(Flag.X_GOT_ALL_HEADERS);
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List<HeaderEntry> additionalHeaders = getAdditionalHeaders(mMessage);
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if (!additionalHeaders.isEmpty()) {
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// Show the additional headers that we have got.
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populateAdditionalHeadersView(additionalHeaders);
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mAdditionalHeadersView.setVisibility(View.VISIBLE);
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}
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if (!allHeadersDownloaded) {
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/*
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* Tell the user about the "save all headers" setting
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*
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* NOTE: This is only a temporary solution... in fact,
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* the system should download headers on-demand when they
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* have not been saved in their entirety initially.
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*/
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messageToShow = R.string.message_additional_headers_not_downloaded;
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} else if (additionalHeaders.isEmpty()) {
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// All headers have been downloaded, but there are no additional headers.
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messageToShow = R.string.message_no_additional_headers_available;
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}
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} catch (MessagingException e) {
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messageToShow = R.string.message_additional_headers_retrieval_failed;
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}
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// Show a message to the user, if any
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if (messageToShow != null) {
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Toast toast = Toast.makeText(mContext, messageToShow, Toast.LENGTH_LONG);
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toast.setGravity(Gravity.CENTER_VERTICAL | Gravity.CENTER_HORIZONTAL, 0, 0);
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toast.show();
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}
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}
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public void populate(final Message message, final Account account) throws MessagingException {
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final Contacts contacts = K9.showContactName() ? mContacts : null;
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final CharSequence from = Address.toFriendly(message.getFrom(), contacts);
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final String date = mDateFormat.format(message.getSentDate());
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final String time = mTimeFormat.format(message.getSentDate());
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final CharSequence to = Address.toFriendly(message.getRecipients(Message.RecipientType.TO), contacts);
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final CharSequence cc = Address.toFriendly(message.getRecipients(Message.RecipientType.CC), contacts);
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mMessage = message;
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mAccount = account;
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initializeLayout();
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String subject = message.getSubject();
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if (subject == null || subject.equals("")) {
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mSubjectView.setText(mContext.getText(R.string.general_no_subject));
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} else {
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mSubjectView.setText(subject);
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}
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mSubjectView.setTextColor(0xff000000 | defaultSubjectColor);
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mFromView.setText(from);
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if (date != null) {
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mDateView.setText(date);
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mDateView.setVisibility(View.VISIBLE);
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} else {
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mDateView.setVisibility(View.GONE);
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}
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mTimeView.setText(time);
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mToContainerView.setVisibility((to != null && to.length() > 0) ? View.VISIBLE : View.GONE);
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mToView.setText(to);
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mCcContainerView.setVisibility((cc != null && cc.length() > 0) ? View.VISIBLE : View.GONE);
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mCcView.setText(cc);
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mAttachmentIcon.setVisibility(((LocalStore.LocalMessage) message).hasAttachments() ? View.VISIBLE : View.GONE);
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mAnsweredIcon.setVisibility(message.isSet(Flag.ANSWERED) ? View.VISIBLE : View.GONE);
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mFlagged.setChecked(message.isSet(Flag.FLAGGED));
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mChip.setBackgroundDrawable(mAccount.generateColorChip().drawable());
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mChip.getBackground().setAlpha(!message.isSet(Flag.SEEN) ? 255 : 127);
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setVisibility(View.VISIBLE);
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if (mAdditionalHeadersView.getVisibility() == View.VISIBLE) {
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showAdditionalHeaders();
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}
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}
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public void onShowAdditionalHeaders() {
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int currentVisibility = mAdditionalHeadersView.getVisibility();
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if (currentVisibility == View.VISIBLE) {
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hideAdditionalHeaders();
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} else {
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showAdditionalHeaders();
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}
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}
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private List<HeaderEntry> getAdditionalHeaders(final Message message)
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throws MessagingException {
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List<HeaderEntry> additionalHeaders = new LinkedList<HeaderEntry>();
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/*
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* Remove "Subject" header as it is already shown in the standard
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* message view header. But do show "From", "To", and "Cc" again.
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* This time including the email addresses. See issue 1805.
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*/
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Set<String> headerNames = new HashSet<String>(message.getHeaderNames());
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headerNames.remove("Subject");
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for (String headerName : headerNames) {
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String[] headerValues = message.getHeader(headerName);
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for (String headerValue : headerValues) {
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additionalHeaders.add(new HeaderEntry(headerName, headerValue));
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}
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}
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return additionalHeaders;
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}
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/**
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* Set up the additional headers text view with the supplied header data.
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*
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* @param additionalHeaders List of header entries. Each entry consists of a header
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* name and a header value. Header names may appear multiple
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* times.
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* <p/>
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* This method is always called from within the UI thread by
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* {@link #showAdditionalHeaders()}.
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*/
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private void populateAdditionalHeadersView(final List<HeaderEntry> additionalHeaders) {
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SpannableStringBuilder sb = new SpannableStringBuilder();
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boolean first = true;
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for (HeaderEntry additionalHeader : additionalHeaders) {
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if (!first) {
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sb.append("\n");
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} else {
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first = false;
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}
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StyleSpan boldSpan = new StyleSpan(Typeface.BOLD);
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SpannableString label = new SpannableString(additionalHeader.label + ": ");
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label.setSpan(boldSpan, 0, label.length(), 0);
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sb.append(label);
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sb.append(MimeUtility.unfoldAndDecode(additionalHeader.value));
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}
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mAdditionalHeadersView.setText(sb);
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}
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}
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