FileDocCategorySizeDatePackage
MessageCompose.javaAPI DocAndroid 1.5 API50596Wed May 06 22:42:46 BST 2009com.android.email.activity

MessageCompose

public class MessageCompose extends android.app.Activity implements android.view.View.OnFocusChangeListener, android.view.View.OnClickListener

Fields Summary
private static final String
ACTION_REPLY
private static final String
ACTION_REPLY_ALL
private static final String
ACTION_FORWARD
private static final String
ACTION_EDIT_DRAFT
private static final String
EXTRA_ACCOUNT
private static final String
EXTRA_FOLDER
private static final String
EXTRA_MESSAGE
private static final String
STATE_KEY_ATTACHMENTS
private static final String
STATE_KEY_CC_SHOWN
private static final String
STATE_KEY_BCC_SHOWN
private static final String
STATE_KEY_QUOTED_TEXT_SHOWN
private static final String
STATE_KEY_SOURCE_MESSAGE_PROCED
private static final String
STATE_KEY_DRAFT_UID
private static final int
MSG_PROGRESS_ON
private static final int
MSG_PROGRESS_OFF
private static final int
MSG_UPDATE_TITLE
private static final int
MSG_SKIPPED_ATTACHMENTS
private static final int
MSG_SAVED_DRAFT
private static final int
MSG_DISCARDED_DRAFT
private static final int
ACTIVITY_REQUEST_PICK_ATTACHMENT
private com.android.email.Account
mAccount
private String
mFolder
private String
mSourceMessageUid
private com.android.email.mail.Message
mSourceMessage
private boolean
mSourceMessageProcessed
Indicates that the source message has been processed at least once and should not be processed on any subsequent loads. This protects us from adding attachments that have already been added from the restore of the view state.
private android.widget.MultiAutoCompleteTextView
mToView
private android.widget.MultiAutoCompleteTextView
mCcView
private android.widget.MultiAutoCompleteTextView
mBccView
private android.widget.EditText
mSubjectView
private android.widget.EditText
mMessageContentView
private android.widget.Button
mSendButton
private android.widget.Button
mDiscardButton
private android.widget.Button
mSaveButton
private android.widget.LinearLayout
mAttachments
private android.view.View
mQuotedTextBar
private android.widget.ImageButton
mQuotedTextDelete
private android.webkit.WebView
mQuotedText
private boolean
mDraftNeedsSaving
private String
mDraftUid
The draft uid of this message. This is used when saving drafts so that the same draft is overwritten instead of being created anew. This property is null until the first save.
private android.os.Handler
mHandler
private Listener
mListener
private com.android.email.EmailAddressAdapter
mAddressAdapter
private android.widget.AutoCompleteTextView.Validator
mAddressValidator
Constructors Summary
Methods Summary
public static voidactionCompose(android.content.Context context, com.android.email.Account account)
Compose a new message using the given account. If account is null the default account will be used.

param
context
param
account

    

                               
           
       try {
           Intent i = new Intent(context, MessageCompose.class);
           i.putExtra(EXTRA_ACCOUNT, account);
           context.startActivity(i);
       } catch (ActivityNotFoundException anfe) {
           // Swallow it - this is usually a race condition, especially under automated test.
           // (The message composer might have been disabled)
           if (Config.LOGD) {
               Log.d(Email.LOG_TAG, anfe.toString());
           }
       }
public static voidactionEditDraft(android.content.Context context, com.android.email.Account account, com.android.email.mail.Message message)
Continue composition of the given message. This action modifies the way this Activity handles certain actions. Save will attempt to replace the message in the given folder with the updated version. Discard will delete the message from the given folder.

param
context
param
account
param
message

        Intent i = new Intent(context, MessageCompose.class);
        i.putExtra(EXTRA_ACCOUNT, account);
        i.putExtra(EXTRA_FOLDER, message.getFolder().getName());
        i.putExtra(EXTRA_MESSAGE, message.getUid());
        i.setAction(ACTION_EDIT_DRAFT);
        context.startActivity(i);
public static voidactionForward(android.content.Context context, com.android.email.Account account, com.android.email.mail.Message message)
Compose a new message as a forward of the given message.

param
context
param
account
param
message

        Intent i = new Intent(context, MessageCompose.class);
        i.putExtra(EXTRA_ACCOUNT, account);
        i.putExtra(EXTRA_FOLDER, message.getFolder().getName());
        i.putExtra(EXTRA_MESSAGE, message.getUid());
        i.setAction(ACTION_FORWARD);
        context.startActivity(i);
public static voidactionReply(android.content.Context context, com.android.email.Account account, com.android.email.mail.Message message, boolean replyAll)
Compose a new message as a reply to the given message. If replyAll is true the function is reply all instead of simply reply.

param
context
param
account
param
message
param
replyAll

        Intent i = new Intent(context, MessageCompose.class);
        i.putExtra(EXTRA_ACCOUNT, account);
        i.putExtra(EXTRA_FOLDER, message.getFolder().getName());
        i.putExtra(EXTRA_MESSAGE, message.getUid());
        if (replyAll) {
            i.setAction(ACTION_REPLY_ALL);
        }
        else {
            i.setAction(ACTION_REPLY);
        }
        context.startActivity(i);
private voidaddAddress(android.widget.MultiAutoCompleteTextView view, java.lang.String address)

        view.append(address + ", ");
private voidaddAddresses(android.widget.MultiAutoCompleteTextView view, com.android.email.mail.Address[] addresses)

        if (addresses == null) {
            return;
        }
        for (Address address : addresses) {
            addAddress(view, address.toString());
        }
private voidaddAddresses(android.widget.MultiAutoCompleteTextView view, java.lang.String[] addresses)

        if (addresses == null) {
            return;
        }
        for (String oneAddress : addresses) {
            addAddress(view, oneAddress);
        }
private voidaddAttachment(android.net.Uri uri)

        addAttachment(uri, -1, null);
private voidaddAttachment(android.net.Uri uri, int size, java.lang.String name)

        ContentResolver contentResolver = getContentResolver();

        String contentType = contentResolver.getType(uri);

        if (contentType == null) {
            contentType = "";
        }

        Attachment attachment = new Attachment();
        attachment.name = name;
        attachment.contentType = contentType;
        attachment.size = size;
        attachment.uri = uri;

        if (attachment.size == -1 || attachment.name == null) {
            Cursor metadataCursor = contentResolver.query(
                    uri,
                    new String[]{ OpenableColumns.DISPLAY_NAME, OpenableColumns.SIZE },
                    null,
                    null,
                    null);
            if (metadataCursor != null) {
                try {
                    if (metadataCursor.moveToFirst()) {
                        if (attachment.name == null) {
                            attachment.name = metadataCursor.getString(0);
                        }
                        if (attachment.size == -1) {
                            attachment.size = metadataCursor.getInt(1);
                        }
                    }
                } finally {
                    metadataCursor.close();
                }
            }
        }

        if (attachment.name == null) {
            attachment.name = uri.getLastPathSegment();
        }

        // Before attaching the attachment, make sure it meets any other pre-attach criteria
        if (attachment.size > Email.MAX_ATTACHMENT_UPLOAD_SIZE) {
            Toast.makeText(this, R.string.message_compose_attachment_size, Toast.LENGTH_LONG)
                    .show();
            return;
        }
        
        View view = getLayoutInflater().inflate(
                R.layout.message_compose_attachment,
                mAttachments,
                false);
        TextView nameView = (TextView)view.findViewById(R.id.attachment_name);
        ImageButton delete = (ImageButton)view.findViewById(R.id.attachment_delete);
        nameView.setText(attachment.name);
        delete.setOnClickListener(this);
        delete.setTag(view);
        view.setTag(attachment);
        mAttachments.addView(view);
private com.android.email.mail.internet.MimeMessagecreateMessage()

        MimeMessage message = new MimeMessage();
        message.setSentDate(new Date());
        Address from = new Address(mAccount.getEmail(), mAccount.getName());
        message.setFrom(from);
        message.setRecipients(RecipientType.TO, getAddresses(mToView));
        message.setRecipients(RecipientType.CC, getAddresses(mCcView));
        message.setRecipients(RecipientType.BCC, getAddresses(mBccView));
        message.setSubject(mSubjectView.getText().toString());
        
        // Preserve Message-ID header if found
        // This makes sure that multiply-saved drafts are identified as the same message
        if (mSourceMessage != null && mSourceMessage instanceof MimeMessage) {
            String messageIdHeader = ((MimeMessage)mSourceMessage).getMessageId();
            if (messageIdHeader != null) {
                message.setMessageId(messageIdHeader);
            }
        }

        /*
         * Build the Body that will contain the text of the message. We'll decide where to
         * include it later.
         */

        String text = mMessageContentView.getText().toString();

        if (mQuotedTextBar.getVisibility() == View.VISIBLE) {
            String action = getIntent().getAction();
            String quotedText = null;
            Part part = MimeUtility.findFirstPartByMimeType(mSourceMessage,
                    "text/plain");
            if (part != null) {
                quotedText = MimeUtility.getTextFromPart(part);
            }
            if (ACTION_REPLY.equals(action) || ACTION_REPLY_ALL.equals(action)) {
                text += String.format(
                        getString(R.string.message_compose_reply_header_fmt),
                        Address.toString(mSourceMessage.getFrom()));
                if (quotedText != null) {
                    text += quotedText.replaceAll("(?m)^", ">");
                }
            }
            else if (ACTION_FORWARD.equals(action)) {
                text += String.format(
                        getString(R.string.message_compose_fwd_header_fmt),
                        mSourceMessage.getSubject(),
                        Address.toString(mSourceMessage.getFrom()),
                        Address.toString(
                                mSourceMessage.getRecipients(RecipientType.TO)),
                        Address.toString(
                                mSourceMessage.getRecipients(RecipientType.CC)));
                if (quotedText != null) {
                    text += quotedText;
                }
            }
        }

        TextBody body = new TextBody(text);

        if (mAttachments.getChildCount() > 0) {
            /*
             * The message has attachments that need to be included. First we add the part
             * containing the text that will be sent and then we include each attachment.
             */

            MimeMultipart mp;

            mp = new MimeMultipart();
            mp.addBodyPart(new MimeBodyPart(body, "text/plain"));

            for (int i = 0, count = mAttachments.getChildCount(); i < count; i++) {
                Attachment attachment = (Attachment) mAttachments.getChildAt(i).getTag();
                MimeBodyPart bp = new MimeBodyPart(
                        new LocalStore.LocalAttachmentBody(attachment.uri, getApplication()));
                bp.setHeader(MimeHeader.HEADER_CONTENT_TYPE, String.format("%s;\n name=\"%s\"",
                        attachment.contentType,
                        attachment.name));
                bp.setHeader(MimeHeader.HEADER_CONTENT_TRANSFER_ENCODING, "base64");
                bp.setHeader(MimeHeader.HEADER_CONTENT_DISPOSITION,
                        String.format("attachment;\n filename=\"%s\"",
                        attachment.name));
                mp.addBodyPart(bp);
            }

            message.setBody(mp);
        }
        else {
            /*
             * No attachments to include, just stick the text body in the message and call
             * it good.
             */
            message.setBody(body);
        }

        return message;
private java.lang.Stringdecode(java.lang.String s)

        return URLDecoder.decode(s, "UTF-8");
private com.android.email.mail.Address[]getAddresses(android.widget.MultiAutoCompleteTextView view)

        Address[] addresses = Address.parse(view.getText().toString().trim());
        return addresses;
voidinitFromIntent(android.content.Intent intent)
Fill all the widgets with the content found in the Intent Extra, if any. Note that we don't actually check the intent action (typically VIEW, SENDTO, or SEND). There is enough overlap in the definitions that it makes more sense to simply check for all available data and use as much of it as possible. With one exception: EXTRA_STREAM is defined as only valid for ACTION_SEND.

param
intent the launch intent

        
        // First, add values stored in top-level extras
        
        String[] extraStrings = intent.getStringArrayExtra(Intent.EXTRA_EMAIL);
        if (extraStrings != null) {
            addAddresses(mToView, extraStrings);
        }
        extraStrings = intent.getStringArrayExtra(Intent.EXTRA_CC);
        if (extraStrings != null) {
            addAddresses(mCcView, extraStrings);
        }
        extraStrings = intent.getStringArrayExtra(Intent.EXTRA_BCC);
        if (extraStrings != null) {
            addAddresses(mBccView, extraStrings);
        }
        String extraString = intent.getStringExtra(Intent.EXTRA_SUBJECT);
        if (extraString != null) {
            mSubjectView.setText(extraString);
        }

        // Next, if we were invoked with a URI, try to interpret it
        // We'll take two courses here.  If it's mailto:, there is a specific set of rules
        // that define various optional fields.  However, for any other scheme, we'll simply
        // take the entire scheme-specific part and interpret it as a possible list of addresses.
        
        final Uri dataUri = intent.getData();
        if (dataUri != null) {
            if ("mailto".equals(dataUri.getScheme())) {
                initializeFromMailTo(dataUri.toString());
            } else {
                String toText = dataUri.getSchemeSpecificPart();
                if (toText != null) {
                    addAddresses(mToView, toText.split(","));
                }
            }
        }

        // Next, fill in the plaintext (note, this will override mailto:?body=)
        
        CharSequence text = intent.getCharSequenceExtra(Intent.EXTRA_TEXT);
        if (text != null) {
            mMessageContentView.setText(text);
        }
        
        // Next, convert EXTRA_STREAM into an attachment
        
        if (Intent.ACTION_SEND.equals(intent.getAction()) && intent.hasExtra(Intent.EXTRA_STREAM)) {
            String type = intent.getType();
            Uri stream = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
            if (stream != null && type != null) {
                if (MimeUtility.mimeTypeMatches(type, Email.ACCEPTABLE_ATTACHMENT_SEND_TYPES)) {
                    addAttachment(stream);
                }
            }
        }
        
        // Finally - expose fields that were filled in but are normally hidden, and set focus
        
        if (mCcView.length() > 0) {
            mCcView.setVisibility(View.VISIBLE);
        }
        if (mBccView.length() > 0) {
            mBccView.setVisibility(View.VISIBLE);
        }
        setNewMessageFocus();
        mDraftNeedsSaving = false;
private voidinitializeFromMailTo(java.lang.String mailToString)
When we are launched with an intent that includes a mailto: URI, we can actually gather quite a few of our message fields from it.

mailToString
the href (which must start with "mailto:").

        
        // Chop up everything between mailto: and ? to find recipients
        int index = mailToString.indexOf("?");
        int length = "mailto".length() + 1; 
        String to;
        try {
            // Extract the recipient after mailto:
            if (index == -1) {
                to = decode(mailToString.substring(length));
            } else {
                to = decode(mailToString.substring(length, index));
            }
            addAddresses(mToView, to.split(" ,"));
        } catch (UnsupportedEncodingException e) {
            Log.e(Email.LOG_TAG, e.getMessage() + " while decoding '" + mailToString + "'");
        }

        // Extract the other parameters

        // We need to disguise this string as a URI in order to parse it
        Uri uri = Uri.parse("foo://" + mailToString);

        List<String> cc = uri.getQueryParameters("cc");
        addAddresses(mCcView, cc.toArray(new String[cc.size()]));

        List<String> otherTo = uri.getQueryParameters("to");
        addAddresses(mCcView, otherTo.toArray(new String[otherTo.size()]));

        List<String> bcc = uri.getQueryParameters("bcc");
        addAddresses(mBccView, bcc.toArray(new String[bcc.size()]));

        List<String> subject = uri.getQueryParameters("subject");
        if (subject.size() > 0) {
            mSubjectView.setText(subject.get(0));
        }

        List<String> body = uri.getQueryParameters("body");
        if (body.size() > 0) {
            mMessageContentView.setText(body.get(0));
        }
private booleanloadAttachments(com.android.email.mail.Part part, int depth)
Returns true if all attachments were able to be attached, otherwise returns false.

        if (part.getBody() instanceof Multipart) {
            Multipart mp = (Multipart) part.getBody();
            boolean ret = true;
            for (int i = 0, count = mp.getCount(); i < count; i++) {
                if (!loadAttachments(mp.getBodyPart(i), depth + 1)) {
                    ret = false;
                }
            }
            return ret;
        } else {
            String contentType = MimeUtility.unfoldAndDecode(part.getContentType());
            String name = MimeUtility.getHeaderParameter(contentType, "name");
            if (name != null) {
                Body body = part.getBody();
                if (body != null && body instanceof LocalAttachmentBody) {
                    final Uri uri = ((LocalAttachmentBody) body).getContentUri();
                    mHandler.post(new Runnable() {
                        public void run() {
                            addAttachment(uri);
                        }
                    });
                }
                else {
                    return false;
                }
            }
            return true;
        }
protected voidonActivityResult(int requestCode, int resultCode, android.content.Intent data)

        if (data == null) {
            return;
        }
        addAttachment(data.getData());
        mDraftNeedsSaving = true;
private voidonAddAttachment()
Kick off a picker for whatever kind of MIME types we'll accept and let Android take over.

        Intent i = new Intent(Intent.ACTION_GET_CONTENT);
        i.addCategory(Intent.CATEGORY_OPENABLE);
        i.setType(Email.ACCEPTABLE_ATTACHMENT_SEND_TYPES[0]);
        startActivityForResult(Intent.createChooser(i, null), ACTIVITY_REQUEST_PICK_ATTACHMENT);
private voidonAddCcBcc()

        mCcView.setVisibility(View.VISIBLE);
        mBccView.setVisibility(View.VISIBLE);
public voidonClick(android.view.View view)

        switch (view.getId()) {
            case R.id.send:
                onSend();
                break;
            case R.id.save:
                onSave();
                break;
            case R.id.discard:
                onDiscard();
                break;
            case R.id.attachment_delete:
                /*
                 * The view is the delete button, and we have previously set the tag of
                 * the delete button to the view that owns it. We don't use parent because the
                 * view is very complex and could change in the future.
                 */
                mAttachments.removeView((View) view.getTag());
                mDraftNeedsSaving = true;
                break;
            case R.id.quoted_text_delete:
                mQuotedTextBar.setVisibility(View.GONE);
                mQuotedText.setVisibility(View.GONE);
                mDraftNeedsSaving = true;
                break;
        }
public voidonCreate(android.os.Bundle savedInstanceState)

        super.onCreate(savedInstanceState);

        requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);

        setContentView(R.layout.message_compose);

        mAddressAdapter = new EmailAddressAdapter(this);
        mAddressValidator = new EmailAddressValidator();

        mToView = (MultiAutoCompleteTextView)findViewById(R.id.to);
        mCcView = (MultiAutoCompleteTextView)findViewById(R.id.cc);
        mBccView = (MultiAutoCompleteTextView)findViewById(R.id.bcc);
        mSubjectView = (EditText)findViewById(R.id.subject);
        mMessageContentView = (EditText)findViewById(R.id.message_content);
        mSendButton = (Button)findViewById(R.id.send);
        mDiscardButton = (Button)findViewById(R.id.discard);
        mSaveButton = (Button)findViewById(R.id.save);
        mAttachments = (LinearLayout)findViewById(R.id.attachments);
        mQuotedTextBar = findViewById(R.id.quoted_text_bar);
        mQuotedTextDelete = (ImageButton)findViewById(R.id.quoted_text_delete);
        mQuotedText = (WebView)findViewById(R.id.quoted_text);

        TextWatcher watcher = new TextWatcher() {
            public void beforeTextChanged(CharSequence s, int start,
                                          int before, int after) { }

            public void onTextChanged(CharSequence s, int start,
                                          int before, int count) {
                mDraftNeedsSaving = true;
            }

            public void afterTextChanged(android.text.Editable s) { }
        };
        
        /** 
         * Implements special address cleanup rules:
         * The first space key entry following an "@" symbol that is followed by any combination
         * of letters and symbols, including one+ dots and zero commas, should insert an extra
         * comma (followed by the space).
         */
        InputFilter recipientFilter = new InputFilter() {

            public CharSequence filter(CharSequence source, int start, int end, Spanned dest,
                    int dstart, int dend) {
                
                // quick check - did they enter a single space?
                if (end-start != 1 || source.charAt(start) != ' ") {
                    return null;
                }
                
                // determine if the characters before the new space fit the pattern
                // follow backwards and see if we find a comma, dot, or @
                int scanBack = dstart;
                boolean dotFound = false;
                while (scanBack > 0) {
                    char c = dest.charAt(--scanBack);
                    switch (c) {
                        case '.":
                            dotFound = true;    // one or more dots are req'd
                            break;
                        case ',":
                            return null;
                        case '@":
                            if (!dotFound) {
                                return null;
                            }
                            // we have found a comma-insert case.  now just do it
                            // in the least expensive way we can.
                            if (source instanceof Spanned) {
                                SpannableStringBuilder sb = new SpannableStringBuilder(",");
                                sb.append(source);
                                return sb;
                            } else {
                                return ", ";
                            }
                        default:
                            // just keep going
                    }
                }
                
                // no termination cases were found, so don't edit the input
                return null;
            }
        };
        InputFilter[] recipientFilters = new InputFilter[] { recipientFilter };

        mToView.addTextChangedListener(watcher);
        mCcView.addTextChangedListener(watcher);
        mBccView.addTextChangedListener(watcher);
        mSubjectView.addTextChangedListener(watcher);
        mMessageContentView.addTextChangedListener(watcher);

        // NOTE: assumes no other filters are set
        mToView.setFilters(recipientFilters);
        mCcView.setFilters(recipientFilters);
        mBccView.setFilters(recipientFilters);

        /*
         * We set this to invisible by default. Other methods will turn it back on if it's
         * needed.
         */
        mQuotedTextBar.setVisibility(View.GONE);
        mQuotedText.setVisibility(View.GONE);

        mQuotedTextDelete.setOnClickListener(this);

        mToView.setAdapter(mAddressAdapter);
        mToView.setTokenizer(new Rfc822Tokenizer());
        mToView.setValidator(mAddressValidator);

        mCcView.setAdapter(mAddressAdapter);
        mCcView.setTokenizer(new Rfc822Tokenizer());
        mCcView.setValidator(mAddressValidator);

        mBccView.setAdapter(mAddressAdapter);
        mBccView.setTokenizer(new Rfc822Tokenizer());
        mBccView.setValidator(mAddressValidator);

        mSendButton.setOnClickListener(this);
        mDiscardButton.setOnClickListener(this);
        mSaveButton.setOnClickListener(this);

        mSubjectView.setOnFocusChangeListener(this);
        
        if (savedInstanceState != null) {
            /*
             * This data gets used in onCreate, so grab it here instead of onRestoreIntstanceState
             */
            mSourceMessageProcessed =
                savedInstanceState.getBoolean(STATE_KEY_SOURCE_MESSAGE_PROCED, false);
        }

        Intent intent = getIntent();

        String action = intent.getAction();
        
        // Handle the various intents that launch the message composer
        if (Intent.ACTION_VIEW.equals(action) || Intent.ACTION_SENDTO.equals(action) ||
                (Intent.ACTION_SEND.equals(action))) {
            
            // Check first for a valid account
            mAccount = Preferences.getPreferences(this).getDefaultAccount();
            if (mAccount == null) {
                // There are no accounts set up. This should not have happened. Prompt the
                // user to set up an account as an acceptable bailout.
                Accounts.actionShowAccounts(this);
                mDraftNeedsSaving = false;
                finish();
                return;
            }
            
            // Use the fields found in the Intent to prefill as much of the message as possible
            initFromIntent(intent);
        }
        else {
            // Otherwise, handle the internal cases (Message Composer invoked from within app)
            mAccount = (Account) intent.getSerializableExtra(EXTRA_ACCOUNT);
            mFolder = intent.getStringExtra(EXTRA_FOLDER);
            mSourceMessageUid = intent.getStringExtra(EXTRA_MESSAGE);
        }

        if (ACTION_REPLY.equals(action) || ACTION_REPLY_ALL.equals(action) ||
                ACTION_FORWARD.equals(action) || ACTION_EDIT_DRAFT.equals(action)) {
            /*
             * If we need to load the message we add ourself as a message listener here
             * so we can kick it off. Normally we add in onResume but we don't
             * want to reload the message every time the activity is resumed.
             * There is no harm in adding twice.
             */
            MessagingController.getInstance(getApplication()).addListener(mListener);
            MessagingController.getInstance(getApplication()).loadMessageForView(
                    mAccount,
                    mFolder,
                    mSourceMessageUid,
                    mListener);
        }

        updateTitle();
public booleanonCreateOptionsMenu(android.view.Menu menu)

        super.onCreateOptionsMenu(menu);
        getMenuInflater().inflate(R.menu.message_compose_option, menu);
        return true;
public voidonDestroy()
We override onDestroy to make sure that the WebView gets explicitly destroyed. Otherwise it can leak native references.

        super.onDestroy();
        mQuotedText.destroy();
        mQuotedText = null;
private voidonDiscard()

        if (mSourceMessageUid != null) {
            if (ACTION_EDIT_DRAFT.equals(getIntent().getAction()) && mSourceMessageUid != null) {
                MessagingController.getInstance(getApplication()).deleteMessage(
                        mAccount,
                        mFolder,
                        mSourceMessage,
                        null);
            }
        }
        mHandler.sendEmptyMessage(MSG_DISCARDED_DRAFT);
        mDraftNeedsSaving = false;
        finish();
public voidonFocusChange(android.view.View view, boolean focused)

        if (!focused) {
            updateTitle();
        }
public booleanonOptionsItemSelected(android.view.MenuItem item)

        switch (item.getItemId()) {
            case R.id.send:
                onSend();
                break;
            case R.id.save:
                onSave();
                break;
            case R.id.discard:
                onDiscard();
                break;
            case R.id.add_cc_bcc:
                onAddCcBcc();
                break;
            case R.id.add_attachment:
                onAddAttachment();
                break;
            default:
                return super.onOptionsItemSelected(item);
        }
        return true;
public voidonPause()

        super.onPause();
        saveIfNeeded();
        MessagingController.getInstance(getApplication()).removeListener(mListener);
protected voidonRestoreInstanceState(android.os.Bundle savedInstanceState)

        super.onRestoreInstanceState(savedInstanceState);
        ArrayList<Parcelable> attachments = 
                savedInstanceState.getParcelableArrayList(STATE_KEY_ATTACHMENTS);
        mAttachments.removeAllViews();
        for (Parcelable p : attachments) {
            Uri uri = (Uri) p;
            addAttachment(uri);
        }

        mCcView.setVisibility(savedInstanceState.getBoolean(STATE_KEY_CC_SHOWN) ?
                View.VISIBLE : View.GONE);
        mBccView.setVisibility(savedInstanceState.getBoolean(STATE_KEY_BCC_SHOWN) ?
                View.VISIBLE : View.GONE);
        mQuotedTextBar.setVisibility(savedInstanceState.getBoolean(STATE_KEY_QUOTED_TEXT_SHOWN) ?
                View.VISIBLE : View.GONE);
        mQuotedText.setVisibility(savedInstanceState.getBoolean(STATE_KEY_QUOTED_TEXT_SHOWN) ?
                View.VISIBLE : View.GONE);
        mDraftUid = savedInstanceState.getString(STATE_KEY_DRAFT_UID);
        mDraftNeedsSaving = false;
public voidonResume()

        super.onResume();
        MessagingController.getInstance(getApplication()).addListener(mListener);
private voidonSave()

        saveIfNeeded();
        finish();
protected voidonSaveInstanceState(android.os.Bundle outState)
The framework handles most of the fields, but we need to handle stuff that we dynamically show and hide: Attachment list, Cc field, Bcc field, Quoted text,

        super.onSaveInstanceState(outState);
        saveIfNeeded();
        ArrayList<Uri> attachments = new ArrayList<Uri>();
        for (int i = 0, count = mAttachments.getChildCount(); i < count; i++) {
            View view = mAttachments.getChildAt(i);
            Attachment attachment = (Attachment) view.getTag();
            attachments.add(attachment.uri);
        }
        outState.putParcelableArrayList(STATE_KEY_ATTACHMENTS, attachments);
        outState.putBoolean(STATE_KEY_CC_SHOWN, mCcView.getVisibility() == View.VISIBLE);
        outState.putBoolean(STATE_KEY_BCC_SHOWN, mBccView.getVisibility() == View.VISIBLE);
        outState.putBoolean(STATE_KEY_QUOTED_TEXT_SHOWN,
                mQuotedTextBar.getVisibility() == View.VISIBLE);
        outState.putBoolean(STATE_KEY_SOURCE_MESSAGE_PROCED, mSourceMessageProcessed);
        outState.putString(STATE_KEY_DRAFT_UID, mDraftUid);
private voidonSend()

        if (getAddresses(mToView).length == 0 &&
                getAddresses(mCcView).length == 0 &&
                getAddresses(mBccView).length == 0) {
            mToView.setError(getString(R.string.message_compose_error_no_recipients));
            Toast.makeText(this, getString(R.string.message_compose_error_no_recipients),
                    Toast.LENGTH_LONG).show();
            return;
        }
        sendOrSaveMessage(false);
        mDraftNeedsSaving = false;
        finish();
voidprocessSourceMessage(com.android.email.mail.Message message)

param
message

        String action = getIntent().getAction();
        if (ACTION_REPLY.equals(action) || ACTION_REPLY_ALL.equals(action)) {
            try {
                if (message.getSubject() != null &&
                        !message.getSubject().toLowerCase().startsWith("re:")) {
                    mSubjectView.setText("Re: " + message.getSubject());
                }
                else {
                    mSubjectView.setText(message.getSubject());
                }
                /*
                 * 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) {
                    addAddresses(mToView, replyToAddresses = message.getReplyTo());
                }
                else {
                    addAddresses(mToView, replyToAddresses = message.getFrom());
                }
                if (ACTION_REPLY_ALL.equals(action)) {
                    for (Address address : message.getRecipients(RecipientType.TO)) {
                        if (!address.getAddress().equalsIgnoreCase(mAccount.getEmail())) {
                            addAddress(mToView, address.toString());
                        }
                    }
                    if (message.getRecipients(RecipientType.CC).length > 0) {
                        for (Address address : message.getRecipients(RecipientType.CC)) {
                            if (!Utility.arrayContains(replyToAddresses, address)) {
                                addAddress(mCcView, address.toString());
                            }
                        }
                        mCcView.setVisibility(View.VISIBLE);
                    }
                }

                Part part = MimeUtility.findFirstPartByMimeType(message, "text/plain");
                if (part == null) {
                    part = MimeUtility.findFirstPartByMimeType(message, "text/html");
                }
                if (part != null) {
                    String text = MimeUtility.getTextFromPart(part);
                    if (text != null) {
                        mQuotedTextBar.setVisibility(View.VISIBLE);
                        mQuotedText.setVisibility(View.VISIBLE);
                        mQuotedText.loadDataWithBaseURL("email://", text, part.getMimeType(),
                                "utf-8", null);
                    }
                }
            }
            catch (MessagingException me) {
                /*
                 * This really should not happen at this point but if it does it's okay.
                 * The user can continue composing their message.
                 */
            }
        }
        else if (ACTION_FORWARD.equals(action)) {
            try {
                if (message.getSubject() != null &&
                        !message.getSubject().toLowerCase().startsWith("fwd:")) {
                    mSubjectView.setText("Fwd: " + message.getSubject());
                }
                else {
                    mSubjectView.setText(message.getSubject());
                }

                Part part = MimeUtility.findFirstPartByMimeType(message, "text/plain");
                if (part == null) {
                    part = MimeUtility.findFirstPartByMimeType(message, "text/html");
                }
                if (part != null) {
                    String text = MimeUtility.getTextFromPart(part);
                    if (text != null) {
                        mQuotedTextBar.setVisibility(View.VISIBLE);
                        mQuotedText.setVisibility(View.VISIBLE);
                        mQuotedText.loadDataWithBaseURL("email://", text, part.getMimeType(),
                                "utf-8", null);
                    }
                }
                if (!mSourceMessageProcessed) {
                    if (!loadAttachments(message, 0)) {
                        mHandler.sendEmptyMessage(MSG_SKIPPED_ATTACHMENTS);
                    }
                }
            }
            catch (MessagingException me) {
                /*
                 * This really should not happen at this point but if it does it's okay.
                 * The user can continue composing their message.
                 */
            }
        }
        else if (ACTION_EDIT_DRAFT.equals(action)) {
            try {
                mSubjectView.setText(message.getSubject());
                addAddresses(mToView, message.getRecipients(RecipientType.TO));
                if (message.getRecipients(RecipientType.CC).length > 0) {
                    addAddresses(mCcView, message.getRecipients(RecipientType.CC));
                    mCcView.setVisibility(View.VISIBLE);
                }
                if (message.getRecipients(RecipientType.BCC).length > 0) {
                    addAddresses(mBccView, message.getRecipients(RecipientType.BCC));
                    mBccView.setVisibility(View.VISIBLE);
                }
                Part part = MimeUtility.findFirstPartByMimeType(message, "text/plain");
                if (part != null) {
                    String text = MimeUtility.getTextFromPart(part);
                    mMessageContentView.setText(text);
                }
                if (!mSourceMessageProcessed) {
                    loadAttachments(message, 0);
                }
            }
            catch (MessagingException me) {
                // TODO
            }
        }
        
        setNewMessageFocus();
        
        mSourceMessageProcessed = true;
        mDraftNeedsSaving = false;
private voidsaveIfNeeded()

        if (!mDraftNeedsSaving) {
            return;
        }
        mDraftNeedsSaving = false;
        sendOrSaveMessage(true);
private voidsendOrSaveMessage(boolean save)

        /*
         * Create the message from all the data the user has entered.
         */
        MimeMessage message;
        try {
            message = createMessage();
        }
        catch (MessagingException me) {
            Log.e(Email.LOG_TAG, "Failed to create new message for send or save.", me);
            throw new RuntimeException("Failed to create a new message for send or save.", me);
        }

        if (save) {
            /*
             * Save a draft
             */
            if (mDraftUid != null) {
                message.setUid(mDraftUid);
            }
            else if (ACTION_EDIT_DRAFT.equals(getIntent().getAction())) {
                /*
                 * We're saving a previously saved draft, so update the new message's uid
                 * to the old message's uid.
                 */
                message.setUid(mSourceMessageUid);
            }
            MessagingController.getInstance(getApplication()).saveDraft(mAccount, message);
            mDraftUid = message.getUid();

            // Don't display the toast if the user is just changing the orientation
            if ((getChangingConfigurations() & ActivityInfo.CONFIG_ORIENTATION) == 0) {
                mHandler.sendEmptyMessage(MSG_SAVED_DRAFT);
            }
        }
        else {
            /*
             * Send the message
             * TODO Is it possible for us to be editing a draft with a null source message? Don't
             * think so. Could probably remove below check.
             */
            if (ACTION_EDIT_DRAFT.equals(getIntent().getAction())
                    && mSourceMessageUid != null) {
                /*
                 * We're sending a previously saved draft, so delete the old draft first.
                 */
                MessagingController.getInstance(getApplication()).deleteMessage(
                        mAccount,
                        mFolder,
                        mSourceMessage,
                        null);
            }
            MessagingController.getInstance(getApplication()).sendMessage(mAccount, message, null);
        }
private voidsetNewMessageFocus()
In order to accelerate typing, position the cursor in the first empty field, or at the end of the body composition field if none are empty. Typically, this will play out as follows: Reply / Reply All - put cursor in the empty message body Forward - put cursor in the empty To field Edit Draft - put cursor in whatever field still needs entry

        if (mToView.length() == 0) {
            mToView.requestFocus();
        } else if (mSubjectView.length() == 0) {
            mSubjectView.requestFocus();
        } else {
            mMessageContentView.requestFocus();
            // when selecting the message content, explicitly move IP to the end, so you can 
            // quickly resume typing into a draft
            int selection = mMessageContentView.length();
            mMessageContentView.setSelection(selection, selection);
        }
private voidupdateTitle()

        if (mSubjectView.getText().length() == 0) {
            setTitle(R.string.compose_title);
        } else {
            setTitle(mSubjectView.getText().toString());
        }