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mirror of https://github.com/moparisthebest/k-9 synced 2024-11-24 02:12:15 -05:00

Extracted methods for easier reading

This commit is contained in:
cketti 2012-05-20 03:23:20 +02:00
parent 01c8e84396
commit 71b3b2916e

View File

@ -2284,322 +2284,30 @@ public class MessageCompose extends K9Activity implements OnClickListener, OnFoc
/**
* Pull out the parts of the now loaded source message and apply them to the new message
* depending on the type of message being composed.
* @param message Source message
*
* @param message
* The source message used to populate the various text fields.
*/
private void processSourceMessage(Message message) {
try {
if (mAction == Action.REPLY || mAction == Action.REPLY_ALL) {
if (message.getSubject() != null) {
final String subject = PREFIX.matcher(message.getSubject()).replaceFirst("");
if (!subject.toLowerCase(Locale.US).startsWith("re:")) {
mSubjectView.setText("Re: " + subject);
} else {
mSubjectView.setText(subject);
}
} else {
mSubjectView.setText("");
switch (mAction) {
case REPLY:
case REPLY_ALL: {
processMessageToReplyTo(message);
break;
}
/*
* If a reply-to was included with the message use that, otherwise use the from
* or sender address.
*/
Address[] replyToAddresses;
if (message.getReplyTo().length > 0) {
replyToAddresses = message.getReplyTo();
} else {
replyToAddresses = message.getFrom();
case FORWARD: {
processMessageToForward(message);
break;
}
// if we're replying to a message we sent, we probably meant
// to reply to the recipient of that message
if (mAccount.isAnIdentity(replyToAddresses)) {
replyToAddresses = message.getRecipients(RecipientType.TO);
case EDIT_DRAFT: {
processDraftMessage(message);
break;
}
addAddresses(mToView, replyToAddresses);
if (message.getMessageId() != null && message.getMessageId().length() > 0) {
mInReplyTo = message.getMessageId();
if (message.getReferences() != null && message.getReferences().length > 0) {
StringBuilder buffy = new StringBuilder();
for (int i = 0; i < message.getReferences().length; i++)
buffy.append(message.getReferences()[i]);
mReferences = buffy.toString() + " " + mInReplyTo;
} else {
mReferences = mInReplyTo;
}
} else {
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "could not get Message-ID.");
default: {
Log.w(K9.LOG_TAG, "processSourceMessage() called with unsupported action");
break;
}
// Quote the message and setup the UI.
populateUIWithQuotedMessage(mAccount.isDefaultQuotedTextShown());
if (mAction == Action.REPLY || mAction == Action.REPLY_ALL) {
Identity useIdentity = null;
for (Address address : message.getRecipients(RecipientType.TO)) {
Identity identity = mAccount.findIdentity(address);
if (identity != null) {
useIdentity = identity;
break;
}
}
if (useIdentity == null) {
if (message.getRecipients(RecipientType.CC).length > 0) {
for (Address address : message.getRecipients(RecipientType.CC)) {
Identity identity = mAccount.findIdentity(address);
if (identity != null) {
useIdentity = identity;
break;
}
}
}
}
if (useIdentity != null) {
Identity defaultIdentity = mAccount.getIdentity(0);
if (useIdentity != defaultIdentity) {
switchToIdentity(useIdentity);
}
}
}
if (mAction == Action.REPLY_ALL) {
if (message.getReplyTo().length > 0) {
for (Address address : message.getFrom()) {
if (!mAccount.isAnIdentity(address)) {
addAddress(mToView, address);
}
}
}
for (Address address : message.getRecipients(RecipientType.TO)) {
if (!mAccount.isAnIdentity(address) && !Utility.arrayContains(replyToAddresses, address)) {
addAddress(mToView, address);
}
}
if (message.getRecipients(RecipientType.CC).length > 0) {
for (Address address : message.getRecipients(RecipientType.CC)) {
if (!mAccount.isAnIdentity(address) && !Utility.arrayContains(replyToAddresses, address)) {
addAddress(mCcView, address);
}
}
mCcWrapper.setVisibility(View.VISIBLE);
}
}
} else if (mAction == Action.FORWARD) {
String subject = message.getSubject();
if (subject != null && !subject.toLowerCase(Locale.US).startsWith("fwd:")) {
mSubjectView.setText("Fwd: " + subject);
} else {
mSubjectView.setText(subject);
}
mQuoteStyle = QuoteStyle.HEADER;
// Quote the message and setup the UI.
populateUIWithQuotedMessage(true);
if (!mSourceMessageProcessed) {
if (!loadAttachments(message, 0)) {
mHandler.sendEmptyMessage(MSG_SKIPPED_ATTACHMENTS);
}
}
} else if (mAction == Action.EDIT_DRAFT) {
String showQuotedTextMode = "NONE";
mDraftId = MessagingController.getInstance(getApplication()).getId(message);
mSubjectView.setText(message.getSubject());
addAddresses(mToView, message.getRecipients(RecipientType.TO));
if (message.getRecipients(RecipientType.CC).length > 0) {
addAddresses(mCcView, message.getRecipients(RecipientType.CC));
mCcWrapper.setVisibility(View.VISIBLE);
}
Address[] bccRecipients = message.getRecipients(RecipientType.BCC);
if (bccRecipients.length > 0) {
addAddresses(mBccView, bccRecipients);
String bccAddress = mAccount.getAlwaysBcc();
if (bccRecipients.length == 1 && bccAddress != null && bccAddress.equals(bccRecipients[0].toString())) {
// If the auto-bcc is the only entry in the BCC list, don't show the Bcc fields.
mBccWrapper.setVisibility(View.GONE);
} else {
mBccWrapper.setVisibility(View.VISIBLE);
}
}
// Read In-Reply-To header from draft
final String[] inReplyTo = message.getHeader("In-Reply-To");
if ((inReplyTo != null) && (inReplyTo.length >= 1)) {
mInReplyTo = inReplyTo[0];
}
// Read References header from draft
final String[] references = message.getHeader("References");
if ((references != null) && (references.length >= 1)) {
mReferences = references[0];
}
if (!mSourceMessageProcessed) {
loadAttachments(message, 0);
}
// Decode the identity header when loading a draft.
// See buildIdentityHeader(TextBody) for a detailed description of the composition of this blob.
Map<IdentityField, String> k9identity = new HashMap<IdentityField, String>();
if (message.getHeader(K9.IDENTITY_HEADER) != null && message.getHeader(K9.IDENTITY_HEADER).length > 0 && message.getHeader(K9.IDENTITY_HEADER)[0] != null) {
k9identity = parseIdentityHeader(message.getHeader(K9.IDENTITY_HEADER)[0]);
}
Identity newIdentity = new Identity();
if (k9identity.containsKey(IdentityField.SIGNATURE)) {
newIdentity.setSignatureUse(true);
newIdentity.setSignature(k9identity.get(IdentityField.SIGNATURE));
mSignatureChanged = true;
} else {
newIdentity.setSignatureUse(message.getFolder().getAccount().getSignatureUse());
newIdentity.setSignature(mIdentity.getSignature());
}
if (k9identity.containsKey(IdentityField.NAME)) {
newIdentity.setName(k9identity.get(IdentityField.NAME));
mIdentityChanged = true;
} else {
newIdentity.setName(mIdentity.getName());
}
if (k9identity.containsKey(IdentityField.EMAIL)) {
newIdentity.setEmail(k9identity.get(IdentityField.EMAIL));
mIdentityChanged = true;
} else {
newIdentity.setEmail(mIdentity.getEmail());
}
if (k9identity.containsKey(IdentityField.ORIGINAL_MESSAGE)) {
mMessageReference = null;
try {
String originalMessage = k9identity.get(IdentityField.ORIGINAL_MESSAGE);
MessageReference messageReference = new MessageReference(originalMessage);
// Check if this is a valid account in our database
Preferences prefs = Preferences.getPreferences(getApplicationContext());
Account account = prefs.getAccount(messageReference.accountUuid);
if (account != null) {
mMessageReference = messageReference;
}
} catch (MessagingException e) {
Log.e(K9.LOG_TAG, "Could not decode message reference in identity.", e);
}
}
int cursorPosition = 0;
if (k9identity.containsKey(IdentityField.CURSOR_POSITION)) {
try {
cursorPosition = Integer.valueOf(k9identity.get(IdentityField.CURSOR_POSITION)).intValue();
} catch (Exception e) {
Log.e(K9.LOG_TAG, "Could not parse cursor position for MessageCompose; continuing.", e);
}
}
if (k9identity.containsKey(IdentityField.QUOTED_TEXT_MODE)) {
showQuotedTextMode = k9identity.get(IdentityField.QUOTED_TEXT_MODE);
}
mIdentity = newIdentity;
updateSignature();
updateFrom();
Integer bodyLength = k9identity.get(IdentityField.LENGTH) != null
? Integer.valueOf(k9identity.get(IdentityField.LENGTH))
: 0;
Integer bodyOffset = k9identity.get(IdentityField.OFFSET) != null
? Integer.valueOf(k9identity.get(IdentityField.OFFSET))
: 0;
Integer bodyFooterOffset = k9identity.get(IdentityField.FOOTER_OFFSET) != null
? Integer.valueOf(k9identity.get(IdentityField.FOOTER_OFFSET))
: null;
Integer bodyPlainLength = k9identity.get(IdentityField.PLAIN_LENGTH) != null
? Integer.valueOf(k9identity.get(IdentityField.PLAIN_LENGTH))
: null;
Integer bodyPlainOffset = k9identity.get(IdentityField.PLAIN_OFFSET) != null
? Integer.valueOf(k9identity.get(IdentityField.PLAIN_OFFSET))
: null;
mQuoteStyle = k9identity.get(IdentityField.QUOTE_STYLE) != null
? QuoteStyle.valueOf(k9identity.get(IdentityField.QUOTE_STYLE))
: mAccount.getQuoteStyle();
// Always respect the user's current composition format preference, even if the
// draft was saved in a different format.
// TODO - The current implementation doesn't allow a user in HTML mode to edit a draft that wasn't saved with K9mail.
String messageFormat = k9identity.get(IdentityField.MESSAGE_FORMAT);
if (messageFormat == null) {
// This message probably wasn't created by us. The exception is legacy
// drafts created before the advent of HTML composition. In those cases,
// we'll display the whole message (including the quoted part) in the
// composition window. If that's the case, try and convert it to text to
// match the behavior in text mode.
mMessageContentView.setText(getBodyTextFromMessage(message, MessageFormat.TEXT));
mMessageFormat = MessageFormat.TEXT;
showOrHideQuotedText(QuotedTextMode.valueOf(showQuotedTextMode));
return;
}
mMessageFormat = MessageFormat.valueOf(messageFormat);
if (mMessageFormat == MessageFormat.HTML) {
Part part = MimeUtility.findFirstPartByMimeType(message, "text/html");
if (part != null) { // Shouldn't happen if we were the one who saved it.
String text = MimeUtility.getTextFromPart(part);
if (K9.DEBUG) {
Log.d(K9.LOG_TAG, "Loading message with offset " + bodyOffset + ", length " + bodyLength + ". Text length is " + text.length() + ".");
}
// Grab our reply text.
String bodyText = text.substring(bodyOffset, bodyOffset + bodyLength);
mMessageContentView.setText(HtmlConverter.htmlToText(bodyText));
// Regenerate the quoted html without our user content in it.
StringBuilder quotedHTML = new StringBuilder();
quotedHTML.append(text.substring(0, bodyOffset)); // stuff before the reply
quotedHTML.append(text.substring(bodyOffset + bodyLength));
if (quotedHTML.length() > 0) {
mQuotedHtmlContent = new InsertableHtmlContent();
mQuotedHtmlContent.setQuotedContent(quotedHTML);
// We don't know if bodyOffset refers to the header or to the footer
mQuotedHtmlContent.setHeaderInsertionPoint(bodyOffset);
if (bodyFooterOffset != null) {
mQuotedHtmlContent.setFooterInsertionPoint(bodyFooterOffset);
} else {
mQuotedHtmlContent.setFooterInsertionPoint(bodyOffset);
}
mQuotedHTML.setText(mQuotedHtmlContent.getQuotedContent(), "text/html");
}
}
if (bodyPlainOffset != null && bodyPlainLength != null) {
processSourceMessageText(message, bodyPlainOffset, bodyPlainLength, false);
}
} else if (mMessageFormat == MessageFormat.TEXT) {
processSourceMessageText(message, bodyOffset, bodyLength, true);
} else {
Log.e(K9.LOG_TAG, "Unhandled message format.");
}
// Set the cursor position if we have it.
try {
mMessageContentView.setSelection(cursorPosition);
} catch (Exception e) {
Log.e(K9.LOG_TAG, "Could not set cursor position in MessageCompose; ignoring.", e);
}
showOrHideQuotedText(QuotedTextMode.valueOf(showQuotedTextMode));
}
} catch (MessagingException me) {
/**
@ -2613,6 +2321,324 @@ public class MessageCompose extends K9Activity implements OnClickListener, OnFoc
}
}
private void processMessageToReplyTo(Message message) throws MessagingException {
if (message.getSubject() != null) {
final String subject = PREFIX.matcher(message.getSubject()).replaceFirst("");
if (!subject.toLowerCase(Locale.US).startsWith("re:")) {
mSubjectView.setText("Re: " + subject);
} else {
mSubjectView.setText(subject);
}
} else {
mSubjectView.setText("");
}
/*
* If a reply-to was included with the message use that, otherwise use the from
* or sender address.
*/
Address[] replyToAddresses;
if (message.getReplyTo().length > 0) {
replyToAddresses = message.getReplyTo();
} else {
replyToAddresses = message.getFrom();
}
// if we're replying to a message we sent, we probably meant
// to reply to the recipient of that message
if (mAccount.isAnIdentity(replyToAddresses)) {
replyToAddresses = message.getRecipients(RecipientType.TO);
}
addAddresses(mToView, replyToAddresses);
if (message.getMessageId() != null && message.getMessageId().length() > 0) {
mInReplyTo = message.getMessageId();
if (message.getReferences() != null && message.getReferences().length > 0) {
StringBuilder buffy = new StringBuilder();
for (int i = 0; i < message.getReferences().length; i++)
buffy.append(message.getReferences()[i]);
mReferences = buffy.toString() + " " + mInReplyTo;
} else {
mReferences = mInReplyTo;
}
} else {
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "could not get Message-ID.");
}
// Quote the message and setup the UI.
populateUIWithQuotedMessage(mAccount.isDefaultQuotedTextShown());
if (mAction == Action.REPLY || mAction == Action.REPLY_ALL) {
Identity useIdentity = null;
for (Address address : message.getRecipients(RecipientType.TO)) {
Identity identity = mAccount.findIdentity(address);
if (identity != null) {
useIdentity = identity;
break;
}
}
if (useIdentity == null) {
if (message.getRecipients(RecipientType.CC).length > 0) {
for (Address address : message.getRecipients(RecipientType.CC)) {
Identity identity = mAccount.findIdentity(address);
if (identity != null) {
useIdentity = identity;
break;
}
}
}
}
if (useIdentity != null) {
Identity defaultIdentity = mAccount.getIdentity(0);
if (useIdentity != defaultIdentity) {
switchToIdentity(useIdentity);
}
}
}
if (mAction == Action.REPLY_ALL) {
if (message.getReplyTo().length > 0) {
for (Address address : message.getFrom()) {
if (!mAccount.isAnIdentity(address)) {
addAddress(mToView, address);
}
}
}
for (Address address : message.getRecipients(RecipientType.TO)) {
if (!mAccount.isAnIdentity(address) && !Utility.arrayContains(replyToAddresses, address)) {
addAddress(mToView, address);
}
}
if (message.getRecipients(RecipientType.CC).length > 0) {
for (Address address : message.getRecipients(RecipientType.CC)) {
if (!mAccount.isAnIdentity(address) && !Utility.arrayContains(replyToAddresses, address)) {
addAddress(mCcView, address);
}
}
mCcWrapper.setVisibility(View.VISIBLE);
}
}
}
private void processMessageToForward(Message message) throws MessagingException {
String subject = message.getSubject();
if (subject != null && !subject.toLowerCase(Locale.US).startsWith("fwd:")) {
mSubjectView.setText("Fwd: " + subject);
} else {
mSubjectView.setText(subject);
}
mQuoteStyle = QuoteStyle.HEADER;
// Quote the message and setup the UI.
populateUIWithQuotedMessage(true);
if (!mSourceMessageProcessed) {
if (!loadAttachments(message, 0)) {
mHandler.sendEmptyMessage(MSG_SKIPPED_ATTACHMENTS);
}
}
}
private void processDraftMessage(Message message) throws MessagingException {
String showQuotedTextMode = "NONE";
mDraftId = MessagingController.getInstance(getApplication()).getId(message);
mSubjectView.setText(message.getSubject());
addAddresses(mToView, message.getRecipients(RecipientType.TO));
if (message.getRecipients(RecipientType.CC).length > 0) {
addAddresses(mCcView, message.getRecipients(RecipientType.CC));
mCcWrapper.setVisibility(View.VISIBLE);
}
Address[] bccRecipients = message.getRecipients(RecipientType.BCC);
if (bccRecipients.length > 0) {
addAddresses(mBccView, bccRecipients);
String bccAddress = mAccount.getAlwaysBcc();
if (bccRecipients.length == 1 && bccAddress != null && bccAddress.equals(bccRecipients[0].toString())) {
// If the auto-bcc is the only entry in the BCC list, don't show the Bcc fields.
mBccWrapper.setVisibility(View.GONE);
} else {
mBccWrapper.setVisibility(View.VISIBLE);
}
}
// Read In-Reply-To header from draft
final String[] inReplyTo = message.getHeader("In-Reply-To");
if ((inReplyTo != null) && (inReplyTo.length >= 1)) {
mInReplyTo = inReplyTo[0];
}
// Read References header from draft
final String[] references = message.getHeader("References");
if ((references != null) && (references.length >= 1)) {
mReferences = references[0];
}
if (!mSourceMessageProcessed) {
loadAttachments(message, 0);
}
// Decode the identity header when loading a draft.
// See buildIdentityHeader(TextBody) for a detailed description of the composition of this blob.
Map<IdentityField, String> k9identity = new HashMap<IdentityField, String>();
if (message.getHeader(K9.IDENTITY_HEADER) != null && message.getHeader(K9.IDENTITY_HEADER).length > 0 && message.getHeader(K9.IDENTITY_HEADER)[0] != null) {
k9identity = parseIdentityHeader(message.getHeader(K9.IDENTITY_HEADER)[0]);
}
Identity newIdentity = new Identity();
if (k9identity.containsKey(IdentityField.SIGNATURE)) {
newIdentity.setSignatureUse(true);
newIdentity.setSignature(k9identity.get(IdentityField.SIGNATURE));
mSignatureChanged = true;
} else {
newIdentity.setSignatureUse(message.getFolder().getAccount().getSignatureUse());
newIdentity.setSignature(mIdentity.getSignature());
}
if (k9identity.containsKey(IdentityField.NAME)) {
newIdentity.setName(k9identity.get(IdentityField.NAME));
mIdentityChanged = true;
} else {
newIdentity.setName(mIdentity.getName());
}
if (k9identity.containsKey(IdentityField.EMAIL)) {
newIdentity.setEmail(k9identity.get(IdentityField.EMAIL));
mIdentityChanged = true;
} else {
newIdentity.setEmail(mIdentity.getEmail());
}
if (k9identity.containsKey(IdentityField.ORIGINAL_MESSAGE)) {
mMessageReference = null;
try {
String originalMessage = k9identity.get(IdentityField.ORIGINAL_MESSAGE);
MessageReference messageReference = new MessageReference(originalMessage);
// Check if this is a valid account in our database
Preferences prefs = Preferences.getPreferences(getApplicationContext());
Account account = prefs.getAccount(messageReference.accountUuid);
if (account != null) {
mMessageReference = messageReference;
}
} catch (MessagingException e) {
Log.e(K9.LOG_TAG, "Could not decode message reference in identity.", e);
}
}
int cursorPosition = 0;
if (k9identity.containsKey(IdentityField.CURSOR_POSITION)) {
try {
cursorPosition = Integer.valueOf(k9identity.get(IdentityField.CURSOR_POSITION)).intValue();
} catch (Exception e) {
Log.e(K9.LOG_TAG, "Could not parse cursor position for MessageCompose; continuing.", e);
}
}
if (k9identity.containsKey(IdentityField.QUOTED_TEXT_MODE)) {
showQuotedTextMode = k9identity.get(IdentityField.QUOTED_TEXT_MODE);
}
mIdentity = newIdentity;
updateSignature();
updateFrom();
Integer bodyLength = k9identity.get(IdentityField.LENGTH) != null
? Integer.valueOf(k9identity.get(IdentityField.LENGTH))
: 0;
Integer bodyOffset = k9identity.get(IdentityField.OFFSET) != null
? Integer.valueOf(k9identity.get(IdentityField.OFFSET))
: 0;
Integer bodyFooterOffset = k9identity.get(IdentityField.FOOTER_OFFSET) != null
? Integer.valueOf(k9identity.get(IdentityField.FOOTER_OFFSET))
: null;
Integer bodyPlainLength = k9identity.get(IdentityField.PLAIN_LENGTH) != null
? Integer.valueOf(k9identity.get(IdentityField.PLAIN_LENGTH))
: null;
Integer bodyPlainOffset = k9identity.get(IdentityField.PLAIN_OFFSET) != null
? Integer.valueOf(k9identity.get(IdentityField.PLAIN_OFFSET))
: null;
mQuoteStyle = k9identity.get(IdentityField.QUOTE_STYLE) != null
? QuoteStyle.valueOf(k9identity.get(IdentityField.QUOTE_STYLE))
: mAccount.getQuoteStyle();
// Always respect the user's current composition format preference, even if the
// draft was saved in a different format.
// TODO - The current implementation doesn't allow a user in HTML mode to edit a draft that wasn't saved with K9mail.
String messageFormat = k9identity.get(IdentityField.MESSAGE_FORMAT);
if (messageFormat == null) {
// This message probably wasn't created by us. The exception is legacy
// drafts created before the advent of HTML composition. In those cases,
// we'll display the whole message (including the quoted part) in the
// composition window. If that's the case, try and convert it to text to
// match the behavior in text mode.
mMessageContentView.setText(getBodyTextFromMessage(message, MessageFormat.TEXT));
mMessageFormat = MessageFormat.TEXT;
showOrHideQuotedText(QuotedTextMode.valueOf(showQuotedTextMode));
return;
}
mMessageFormat = MessageFormat.valueOf(messageFormat);
if (mMessageFormat == MessageFormat.HTML) {
Part part = MimeUtility.findFirstPartByMimeType(message, "text/html");
if (part != null) { // Shouldn't happen if we were the one who saved it.
String text = MimeUtility.getTextFromPart(part);
if (K9.DEBUG) {
Log.d(K9.LOG_TAG, "Loading message with offset " + bodyOffset + ", length " + bodyLength + ". Text length is " + text.length() + ".");
}
// Grab our reply text.
String bodyText = text.substring(bodyOffset, bodyOffset + bodyLength);
mMessageContentView.setText(HtmlConverter.htmlToText(bodyText));
// Regenerate the quoted html without our user content in it.
StringBuilder quotedHTML = new StringBuilder();
quotedHTML.append(text.substring(0, bodyOffset)); // stuff before the reply
quotedHTML.append(text.substring(bodyOffset + bodyLength));
if (quotedHTML.length() > 0) {
mQuotedHtmlContent = new InsertableHtmlContent();
mQuotedHtmlContent.setQuotedContent(quotedHTML);
// We don't know if bodyOffset refers to the header or to the footer
mQuotedHtmlContent.setHeaderInsertionPoint(bodyOffset);
if (bodyFooterOffset != null) {
mQuotedHtmlContent.setFooterInsertionPoint(bodyFooterOffset);
} else {
mQuotedHtmlContent.setFooterInsertionPoint(bodyOffset);
}
mQuotedHTML.setText(mQuotedHtmlContent.getQuotedContent(), "text/html");
}
}
if (bodyPlainOffset != null && bodyPlainLength != null) {
processSourceMessageText(message, bodyPlainOffset, bodyPlainLength, false);
}
} else if (mMessageFormat == MessageFormat.TEXT) {
processSourceMessageText(message, bodyOffset, bodyLength, true);
} else {
Log.e(K9.LOG_TAG, "Unhandled message format.");
}
// Set the cursor position if we have it.
try {
mMessageContentView.setSelection(cursorPosition);
} catch (Exception e) {
Log.e(K9.LOG_TAG, "Could not set cursor position in MessageCompose; ignoring.", e);
}
showOrHideQuotedText(QuotedTextMode.valueOf(showQuotedTextMode));
}
/*
* Pull out the parts of the now loaded source message and apply them to the new message
* depending on the type of message being composed.