package com.fsck.k9.activity;
import java.io.File;
import java.io.Serializable;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import android.text.*;
import android.webkit.WebViewClient;
import com.fsck.k9.helper.HtmlConverter;
import com.fsck.k9.helper.StringUtils;
import com.fsck.k9.mail.*;
import com.fsck.k9.view.MessageWebView;
import org.apache.james.mime4j.codec.EncoderUtil;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.Dialog;
import android.content.ContentResolver;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Parcelable;
import android.provider.OpenableColumns;
import android.text.util.Rfc822Tokenizer;
import android.util.Log;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnFocusChangeListener;
import android.view.ViewGroup;
import android.view.Window;
import android.webkit.WebView;
import android.widget.AutoCompleteTextView.Validator;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.MultiAutoCompleteTextView;
import android.widget.TextView;
import android.widget.Toast;
import org.htmlcleaner.CleanerProperties;
import org.htmlcleaner.HtmlCleaner;
import org.htmlcleaner.SimpleHtmlSerializer;
import org.htmlcleaner.TagNode;
import com.fsck.k9.Account;
import com.fsck.k9.Account.QuoteStyle;
import com.fsck.k9.Account.MessageFormat;
import com.fsck.k9.EmailAddressAdapter;
import com.fsck.k9.EmailAddressValidator;
import com.fsck.k9.FontSizes;
import com.fsck.k9.Identity;
import com.fsck.k9.K9;
import com.fsck.k9.Preferences;
import com.fsck.k9.R;
import com.fsck.k9.controller.MessagingController;
import com.fsck.k9.controller.MessagingListener;
import com.fsck.k9.crypto.CryptoProvider;
import com.fsck.k9.crypto.PgpData;
import com.fsck.k9.helper.ContactItem;
import com.fsck.k9.helper.Contacts;
import com.fsck.k9.helper.Utility;
import com.fsck.k9.mail.Message.RecipientType;
import com.fsck.k9.mail.internet.MimeBodyPart;
import com.fsck.k9.mail.internet.MimeHeader;
import com.fsck.k9.mail.internet.MimeMessage;
import com.fsck.k9.mail.internet.MimeMultipart;
import com.fsck.k9.mail.internet.MimeUtility;
import com.fsck.k9.mail.internet.TextBody;
import com.fsck.k9.mail.store.LocalStore;
import com.fsck.k9.mail.store.LocalStore.LocalAttachmentBody;
public class MessageCompose extends K9Activity implements OnClickListener, OnFocusChangeListener {
private static final int DIALOG_SAVE_OR_DISCARD_DRAFT_MESSAGE = 1;
private static final int DIALOG_REFUSE_TO_SAVE_DRAFT_MARKED_ENCRYPTED = 2;
private static final int DIALOG_CONTINUE_WITHOUT_PUBLIC_KEY = 3;
private static final int DIALOG_CONFIRM_DISCARD_ON_BACK = 4;
private static final int DIALOG_CHOOSE_IDENTITY = 5;
private static final long INVALID_DRAFT_ID = MessagingController.INVALID_MESSAGE_ID;
private static final String ACTION_COMPOSE = "com.fsck.k9.intent.action.COMPOSE";
private static final String ACTION_REPLY = "com.fsck.k9.intent.action.REPLY";
private static final String ACTION_REPLY_ALL = "com.fsck.k9.intent.action.REPLY_ALL";
private static final String ACTION_FORWARD = "com.fsck.k9.intent.action.FORWARD";
private static final String ACTION_EDIT_DRAFT = "com.fsck.k9.intent.action.EDIT_DRAFT";
private static final String EXTRA_ACCOUNT = "account";
private static final String EXTRA_MESSAGE_BODY = "messageBody";
private static final String EXTRA_MESSAGE_REFERENCE = "message_reference";
private static final String STATE_KEY_ATTACHMENTS =
"com.fsck.k9.activity.MessageCompose.attachments";
private static final String STATE_KEY_CC_SHOWN =
"com.fsck.k9.activity.MessageCompose.ccShown";
private static final String STATE_KEY_BCC_SHOWN =
"com.fsck.k9.activity.MessageCompose.bccShown";
private static final String STATE_KEY_QUOTED_TEXT_MODE =
"com.fsck.k9.activity.MessageCompose.QuotedTextShown";
private static final String STATE_KEY_SOURCE_MESSAGE_PROCED =
"com.fsck.k9.activity.MessageCompose.stateKeySourceMessageProced";
private static final String STATE_KEY_DRAFT_ID = "com.fsck.k9.activity.MessageCompose.draftId";
private static final String STATE_KEY_HTML_QUOTE = "com.fsck.k9.activity.MessageCompose.HTMLQuote";
private static final String STATE_IDENTITY_CHANGED =
"com.fsck.k9.activity.MessageCompose.identityChanged";
private static final String STATE_IDENTITY =
"com.fsck.k9.activity.MessageCompose.identity";
private static final String STATE_PGP_DATA = "pgpData";
private static final String STATE_IN_REPLY_TO = "com.fsck.k9.activity.MessageCompose.inReplyTo";
private static final String STATE_REFERENCES = "com.fsck.k9.activity.MessageCompose.references";
private static final String STATE_KEY_MESSAGE_FORMAT = "com.fsck.k9.activity.MessageCompose.messageFormat";
private static final String STATE_KEY_READ_RECEIPT = "com.fsck.k9.activity.MessageCompose.messageReadReceipt";
private static final String STATE_KEY_DRAFT_NEEDS_SAVING = "com.fsck.k9.activity.MessageCompose.mDraftNeedsSaving";
private static final int MSG_PROGRESS_ON = 1;
private static final int MSG_PROGRESS_OFF = 2;
private static final int MSG_UPDATE_TITLE = 3;
private static final int MSG_SKIPPED_ATTACHMENTS = 4;
private static final int MSG_SAVED_DRAFT = 5;
private static final int MSG_DISCARDED_DRAFT = 6;
private static final int ACTIVITY_REQUEST_PICK_ATTACHMENT = 1;
private static final int CONTACT_PICKER_TO = 4;
private static final int CONTACT_PICKER_CC = 5;
private static final int CONTACT_PICKER_BCC = 6;
private static final int CONTACT_PICKER_TO2 = 7;
private static final int CONTACT_PICKER_CC2 = 8;
private static final int CONTACT_PICKER_BCC2 = 9;
private static final Account[] EMPTY_ACCOUNT_ARRAY = new Account[0];
/**
* Regular expression to remove the first localized "Re:" prefix in subjects.
*
* Currently:
* - "Aw:" (german: abbreviation for "Antwort")
*/
private static final Pattern PREFIX = Pattern.compile("^AW[:\\s]\\s*", Pattern.CASE_INSENSITIVE);
/**
* The account used for message composition.
*/
private Account mAccount;
private Contacts mContacts;
/**
* This identity's settings are used for message composition.
* Note: This has to be an identity of the account {@link #mAccount}.
*/
private Identity mIdentity;
private boolean mIdentityChanged = false;
private boolean mSignatureChanged = false;
/**
* Reference to the source message (in case of reply, forward, or edit
* draft actions).
*/
private MessageReference mMessageReference;
private Message mSourceMessage;
private String mSourceMessageBody;
/**
* 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 boolean mSourceMessageProcessed = false;
private enum QuotedTextMode {
NONE,
SHOW,
HIDE
};
private boolean mReadReceipt = false;
private QuotedTextMode mQuotedTextMode = QuotedTextMode.NONE;
private Button mChooseIdentityButton;
private LinearLayout mCcWrapper;
private LinearLayout mBccWrapper;
private MultiAutoCompleteTextView mToView;
private MultiAutoCompleteTextView mCcView;
private MultiAutoCompleteTextView mBccView;
private EditText mSubjectView;
private EditText mSignatureView;
private EditText mMessageContentView;
private LinearLayout mAttachments;
private Button mQuotedTextShow;
private View mQuotedTextBar;
private ImageButton mQuotedTextEdit;
private ImageButton mQuotedTextDelete;
private EditText mQuotedText;
private MessageWebView mQuotedHTML;
private InsertableHtmlContent mQuotedHtmlContent; // Container for HTML reply as it's being built.
private View mEncryptLayout;
private CheckBox mCryptoSignatureCheckbox;
private CheckBox mEncryptCheckbox;
private TextView mCryptoSignatureUserId;
private TextView mCryptoSignatureUserIdRest;
private ImageButton mAddToFromContacts;
private ImageButton mAddCcFromContacts;
private ImageButton mAddBccFromContacts;
private PgpData mPgpData = null;
private boolean mAutoEncrypt = false;
private boolean mContinueWithoutPublicKey = false;
private String mReferences;
private String mInReplyTo;
private boolean mSourceProcessed = false;
private MessageFormat mMessageFormat;
private QuoteStyle mQuoteStyle;
private boolean mDraftNeedsSaving = false;
private boolean mPreventDraftSaving = false;
/**
* If this is {@code true} we don't save the message as a draft in {@link #onPause()}.
*/
private boolean mIgnoreOnPause = false;
/**
* The database ID of this message's draft. This is used when saving drafts so the message in
* the database is updated instead of being created anew. This property is INVALID_DRAFT_ID
* until the first save.
*/
private long mDraftId = INVALID_DRAFT_ID;
private Handler mHandler = new Handler() {
@Override
public void handleMessage(android.os.Message msg) {
switch (msg.what) {
case MSG_PROGRESS_ON:
setProgressBarIndeterminateVisibility(true);
break;
case MSG_PROGRESS_OFF:
setProgressBarIndeterminateVisibility(false);
break;
case MSG_UPDATE_TITLE:
updateTitle();
break;
case MSG_SKIPPED_ATTACHMENTS:
Toast.makeText(
MessageCompose.this,
getString(R.string.message_compose_attachments_skipped_toast),
Toast.LENGTH_LONG).show();
break;
case MSG_SAVED_DRAFT:
Toast.makeText(
MessageCompose.this,
getString(R.string.message_saved_toast),
Toast.LENGTH_LONG).show();
break;
case MSG_DISCARDED_DRAFT:
Toast.makeText(
MessageCompose.this,
getString(R.string.message_discarded_toast),
Toast.LENGTH_LONG).show();
break;
default:
super.handleMessage(msg);
break;
}
}
};
private Listener mListener = new Listener();
private EmailAddressAdapter mAddressAdapter;
private Validator mAddressValidator;
private FontSizes mFontSizes = K9.getFontSizes();
static class Attachment implements Serializable {
private static final long serialVersionUID = 3642382876618963734L;
public String name;
public String contentType;
public long size;
public Uri uri;
}
/**
* Compose a new message using the given account. If account is null the default account
* will be used.
* @param context
* @param account
*/
public static void actionCompose(Context context, Account account) {
String accountUuid = (account == null) ?
Preferences.getPreferences(context).getDefaultAccount().getUuid() :
account.getUuid();
Intent i = new Intent(context, MessageCompose.class);
i.putExtra(EXTRA_ACCOUNT, accountUuid);
i.setAction(ACTION_COMPOSE);
context.startActivity(i);
}
/**
* 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
* @param messageBody optional, for decrypted messages, null if it should be grabbed from the given message
*/
public static void actionReply(
Context context,
Account account,
Message message,
boolean replyAll,
String messageBody) {
Intent i = new Intent(context, MessageCompose.class);
i.putExtra(EXTRA_MESSAGE_BODY, messageBody);
i.putExtra(EXTRA_MESSAGE_REFERENCE, message.makeMessageReference());
if (replyAll) {
i.setAction(ACTION_REPLY_ALL);
} else {
i.setAction(ACTION_REPLY);
}
context.startActivity(i);
}
/**
* Compose a new message as a forward of the given message.
* @param context
* @param account
* @param message
* @param messageBody optional, for decrypted messages, null if it should be grabbed from the given message
*/
public static void actionForward(
Context context,
Account account,
Message message,
String messageBody) {
Intent i = new Intent(context, MessageCompose.class);
i.putExtra(EXTRA_MESSAGE_BODY, messageBody);
i.putExtra(EXTRA_MESSAGE_REFERENCE, message.makeMessageReference());
i.setAction(ACTION_FORWARD);
context.startActivity(i);
}
/**
* 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
*/
public static void actionEditDraft(Context context, Account account, Message message) {
Intent i = new Intent(context, MessageCompose.class);
i.putExtra(EXTRA_MESSAGE_REFERENCE, message.makeMessageReference());
i.setAction(ACTION_EDIT_DRAFT);
context.startActivity(i);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
setContentView(R.layout.message_compose);
final Intent intent = getIntent();
mMessageReference = intent.getParcelableExtra(EXTRA_MESSAGE_REFERENCE);
mSourceMessageBody = intent.getStringExtra(EXTRA_MESSAGE_BODY);
if (K9.DEBUG && mSourceMessageBody != null)
Log.d(K9.LOG_TAG, "Composing message with explicitly specified message body.");
final String accountUuid = (mMessageReference != null) ?
mMessageReference.accountUuid :
intent.getStringExtra(EXTRA_ACCOUNT);
mAccount = Preferences.getPreferences(this).getAccount(accountUuid);
if (mAccount == null) {
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.
*/
startActivity(new Intent(this, Accounts.class));
mDraftNeedsSaving = false;
finish();
return;
}
mContacts = Contacts.getInstance(MessageCompose.this);
mAddressAdapter = new EmailAddressAdapter(this);
mAddressValidator = new EmailAddressValidator();
mChooseIdentityButton = (Button) findViewById(R.id.identity);
mChooseIdentityButton.setOnClickListener(this);
if (mAccount.getIdentities().size() == 1 &&
Preferences.getPreferences(this).getAvailableAccounts().size() == 1) {
mChooseIdentityButton.setVisibility(View.GONE);
}
mToView = (MultiAutoCompleteTextView) findViewById(R.id.to);
mCcView = (MultiAutoCompleteTextView) findViewById(R.id.cc);
mBccView = (MultiAutoCompleteTextView) findViewById(R.id.bcc);
mSubjectView = (EditText) findViewById(R.id.subject);
mSubjectView.getInputExtras(true).putBoolean("allowEmoji", true);
mAddToFromContacts = (ImageButton) findViewById(R.id.add_to);
mAddCcFromContacts = (ImageButton) findViewById(R.id.add_cc);
mAddBccFromContacts = (ImageButton) findViewById(R.id.add_bcc);
mCcWrapper = (LinearLayout) findViewById(R.id.cc_wrapper);
mBccWrapper = (LinearLayout) findViewById(R.id.bcc_wrapper);
EditText upperSignature = (EditText)findViewById(R.id.upper_signature);
EditText lowerSignature = (EditText)findViewById(R.id.lower_signature);
mMessageContentView = (EditText)findViewById(R.id.message_content);
mMessageContentView.getInputExtras(true).putBoolean("allowEmoji", true);
mAttachments = (LinearLayout)findViewById(R.id.attachments);
mQuotedTextShow = (Button)findViewById(R.id.quoted_text_show);
mQuotedTextBar = findViewById(R.id.quoted_text_bar);
mQuotedTextEdit = (ImageButton)findViewById(R.id.quoted_text_edit);
mQuotedTextDelete = (ImageButton)findViewById(R.id.quoted_text_delete);
mQuotedText = (EditText)findViewById(R.id.quoted_text);
mQuotedText.getInputExtras(true).putBoolean("allowEmoji", true);
mQuotedHTML = (MessageWebView) findViewById(R.id.quoted_html);
mQuotedHTML.configure();
// Disable the ability to click links in the quoted HTML page. I think this is a nice feature, but if someone
// feels this should be a preference (or should go away all together), I'm ok with that too. -achen 20101130
mQuotedHTML.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
return true;
}
});
TextWatcher watcher = new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int before, int after) {
/* do nothing */
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
mDraftNeedsSaving = true;
}
@Override
public void afterTextChanged(android.text.Editable s) { /* do nothing */ }
};
// For watching changes to the To:, Cc:, and Bcc: fields for auto-encryption on a matching
// address.
TextWatcher recipientWatcher = new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int before, int after) {
/* do nothing */
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
mDraftNeedsSaving = true;
}
@Override
public void afterTextChanged(android.text.Editable s) {
final CryptoProvider crypto = mAccount.getCryptoProvider();
if (mAutoEncrypt && crypto.isAvailable(getApplicationContext())) {
for (Address address : getRecipientAddresses()) {
if (crypto.hasPublicKeyForEmail(getApplicationContext(),
address.getAddress())) {
mEncryptCheckbox.setChecked(true);
mContinueWithoutPublicKey = false;
break;
}
}
}
}
};
TextWatcher sigwatcher = new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int before, int after) {
/* do nothing */
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
mDraftNeedsSaving = true;
mSignatureChanged = true;
}
@Override
public void afterTextChanged(android.text.Editable s) { /* do nothing */ }
};
mToView.addTextChangedListener(recipientWatcher);
mCcView.addTextChangedListener(recipientWatcher);
mBccView.addTextChangedListener(recipientWatcher);
mSubjectView.addTextChangedListener(watcher);
mMessageContentView.addTextChangedListener(watcher);
mQuotedText.addTextChangedListener(watcher);
/* Yes, there really are poeple who ship versions of android without a contact picker */
if (mContacts.hasContactPicker()) {
mAddToFromContacts.setOnClickListener(new OnClickListener() {
@Override public void onClick(View v) {
doLaunchContactPicker(CONTACT_PICKER_TO);
}
});
mAddCcFromContacts.setOnClickListener(new OnClickListener() {
@Override public void onClick(View v) {
doLaunchContactPicker(CONTACT_PICKER_CC);
}
});
mAddBccFromContacts.setOnClickListener(new OnClickListener() {
@Override public void onClick(View v) {
doLaunchContactPicker(CONTACT_PICKER_BCC);
}
});
} else {
mAddToFromContacts.setVisibility(View.GONE);
mAddCcFromContacts.setVisibility(View.GONE);
mAddBccFromContacts.setVisibility(View.GONE);
}
/*
* We set this to invisible by default. Other methods will turn it back on if it's
* needed.
*/
showOrHideQuotedText(QuotedTextMode.NONE);
mQuotedTextShow.setOnClickListener(this);
mQuotedTextEdit.setOnClickListener(this);
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);
mSubjectView.setOnFocusChangeListener(this);
if (savedInstanceState != null) {
/*
* This data gets used in onCreate, so grab it here instead of onRestoreInstanceState
*/
mSourceMessageProcessed = savedInstanceState.getBoolean(STATE_KEY_SOURCE_MESSAGE_PROCED, false);
}
final String action = intent.getAction();
initFromIntent(intent);
if (mIdentity == null) {
mIdentity = mAccount.getIdentity(0);
}
if (mAccount.isSignatureBeforeQuotedText()) {
mSignatureView = upperSignature;
lowerSignature.setVisibility(View.GONE);
} else {
mSignatureView = lowerSignature;
upperSignature.setVisibility(View.GONE);
}
mSignatureView.addTextChangedListener(sigwatcher);
if (!mIdentity.getSignatureUse()) {
mSignatureView.setVisibility(View.GONE);
}
mMessageFormat = mAccount.getMessageFormat();
if (mMessageFormat == MessageFormat.AUTO) {
if (ACTION_COMPOSE.equals(action)) {
mMessageFormat = MessageFormat.TEXT;
} else if (mSourceMessageBody != null) {
// mSourceMessageBody is set to something when replying to and forwarding decrypted
// messages, so we set the format to plain text.
mMessageFormat = MessageFormat.TEXT;
}
}
mReadReceipt = mAccount.isMessageReadReceiptAlways();
mQuoteStyle = mAccount.getQuoteStyle();
updateFrom();
if (!mSourceMessageProcessed) {
updateSignature();
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);
final Account account = Preferences.getPreferences(this).getAccount(mMessageReference.accountUuid);
final String folderName = mMessageReference.folderName;
final String sourceMessageUid = mMessageReference.uid;
MessagingController.getInstance(getApplication()).loadMessageForView(account, folderName, sourceMessageUid, null);
}
if (!ACTION_EDIT_DRAFT.equals(action)) {
String bccAddress = mAccount.getAlwaysBcc();
if ((bccAddress != null) && !("".equals(bccAddress))) {
String[] bccAddresses = bccAddress.split(",");
for (String oneBccAddress : bccAddresses) {
addAddress(mBccView, new Address(oneBccAddress, ""));
}
}
}
/*
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "action = " + action + ", account = " + mMessageReference.accountUuid + ", folder = " + mMessageReference.folderName + ", sourceMessageUid = " + mMessageReference.uid);
*/
updateTitle();
}
if (ACTION_REPLY.equals(action) ||
ACTION_REPLY_ALL.equals(action)) {
mMessageReference.flag = Flag.ANSWERED;
}
if (ACTION_REPLY.equals(action) ||
ACTION_REPLY_ALL.equals(action) ||
ACTION_EDIT_DRAFT.equals(action)) {
//change focus to message body.
mMessageContentView.requestFocus();
} else {
// Explicitly set focus to "To:" input field (see issue 2998)
mToView.requestFocus();
}
mEncryptLayout = findViewById(R.id.layout_encrypt);
mCryptoSignatureCheckbox = (CheckBox)findViewById(R.id.cb_crypto_signature);
mCryptoSignatureUserId = (TextView)findViewById(R.id.userId);
mCryptoSignatureUserIdRest = (TextView)findViewById(R.id.userIdRest);
mEncryptCheckbox = (CheckBox)findViewById(R.id.cb_encrypt);
if (mSourceMessageBody != null) {
// mSourceMessageBody is set to something when replying to and forwarding decrypted
// messages, so the sender probably wants the message to be encrypted.
mEncryptCheckbox.setChecked(true);
}
initializeCrypto();
final CryptoProvider crypto = mAccount.getCryptoProvider();
if (crypto.isAvailable(this)) {
mEncryptLayout.setVisibility(View.VISIBLE);
mCryptoSignatureCheckbox.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
CheckBox checkBox = (CheckBox) v;
if (checkBox.isChecked()) {
mPreventDraftSaving = true;
if (!crypto.selectSecretKey(MessageCompose.this, mPgpData)) {
mPreventDraftSaving = false;
}
checkBox.setChecked(false);
} else {
mPgpData.setSignatureKeyId(0);
updateEncryptLayout();
}
}
});
if (mAccount.getCryptoAutoSignature()) {
long ids[] = crypto.getSecretKeyIdsFromEmail(this, mIdentity.getEmail());
if (ids != null && ids.length > 0) {
mPgpData.setSignatureKeyId(ids[0]);
mPgpData.setSignatureUserId(crypto.getUserId(this, ids[0]));
} else {
mPgpData.setSignatureKeyId(0);
mPgpData.setSignatureUserId(null);
}
}
updateEncryptLayout();
mAutoEncrypt = mAccount.isCryptoAutoEncrypt();
} else {
mEncryptLayout.setVisibility(View.GONE);
}
mDraftNeedsSaving = false;
// Set font size of input controls
int fontSize = mFontSizes.getMessageComposeInput();
mToView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSize);
mCcView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSize);
mBccView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSize);
mSubjectView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSize);
mMessageContentView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSize);
mQuotedText.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSize);
mSignatureView.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSize);
}
/**
* Handle external intents that trigger the message compose activity.
*
* @param intent The (external) intent that started the activity.
*/
private void initFromIntent(final Intent intent) {
final String action = intent.getAction();
if (Intent.ACTION_VIEW.equals(action) || Intent.ACTION_SENDTO.equals(action)) {
/*
* Someone has clicked a mailto: link. The address is in the URI.
*/
if (intent.getData() != null) {
Uri uri = intent.getData();
if ("mailto".equals(uri.getScheme())) {
initializeFromMailto(uri);
}
}
/*
* Note: According to the documenation ACTION_VIEW and ACTION_SENDTO don't accept
* EXTRA_* parameters.
* And previously we didn't process these EXTRAs. But it looks like nobody bothers to
* read the official documentation and just copies wrong sample code that happens to
* work with the AOSP Email application. And because even big players get this wrong,
* we're now finally giving in and read the EXTRAs for ACTION_SENDTO (below).
*/
}
if (Intent.ACTION_SEND.equals(action) || Intent.ACTION_SEND_MULTIPLE.equals(action) ||
Intent.ACTION_SENDTO.equals(action)) {
/*
* Note: Here we allow a slight deviation from the documentated behavior.
* EXTRA_TEXT is used as message body (if available) regardless of the MIME
* type of the intent. In addition one or multiple attachments can be added
* using EXTRA_STREAM.
*/
CharSequence text = intent.getCharSequenceExtra(Intent.EXTRA_TEXT);
// Only use EXTRA_TEXT if the body hasn't already been set by the mailto URI
if (text != null && mMessageContentView.getText().length() == 0) {
mMessageContentView.setText(text);
}
String type = intent.getType();
if (Intent.ACTION_SEND.equals(action)) {
Uri stream = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
if (stream != null) {
addAttachment(stream, type);
}
} else {
ArrayList<Parcelable> list = intent.getParcelableArrayListExtra(Intent.EXTRA_STREAM);
if (list != null) {
for (Parcelable parcelable : list) {
Uri stream = (Uri) parcelable;
if (stream != null) {
addAttachment(stream, type);
}
}
}
}
String subject = intent.getStringExtra(Intent.EXTRA_SUBJECT);
// Only use EXTRA_SUBJECT if the subject hasn't already been set by the mailto URI
if (subject != null && mSubjectView.getText().length() == 0) {
mSubjectView.setText(subject);
}
String[] extraEmail = intent.getStringArrayExtra(Intent.EXTRA_EMAIL);
String[] extraCc = intent.getStringArrayExtra(Intent.EXTRA_CC);
String[] extraBcc = intent.getStringArrayExtra(Intent.EXTRA_BCC);
if (extraEmail != null) {
addRecipients(mToView, Arrays.asList(extraEmail));
}
boolean ccOrBcc = false;
if (extraCc != null) {
ccOrBcc |= addRecipients(mCcView, Arrays.asList(extraCc));
}
if (extraBcc != null) {
ccOrBcc |= addRecipients(mBccView, Arrays.asList(extraBcc));
}
if (ccOrBcc) {
// Display CC and BCC text fields if CC or BCC recipients were set by the intent.
onAddCcBcc();
}
}
}
private boolean addRecipients(TextView view, List<String> recipients) {
if (recipients == null || recipients.size() == 0) {
return false;
}
StringBuilder addressList = new StringBuilder();
// Read current contents of the TextView
String text = view.getText().toString();
addressList.append(text);
// Add comma if necessary
if (text.length() != 0 && !(text.endsWith(", ") || text.endsWith(","))) {
addressList.append(", ");
}
// Add recipients
for (String recipient : recipients) {
addressList.append(recipient);
addressList.append(", ");
}
view.setText(addressList);
return true;
}
private void initializeCrypto() {
if (mPgpData != null) {
return;
}
mPgpData = new PgpData();
}
/**
* Fill the encrypt layout with the latest data about signature key and encryption keys.
*/
public void updateEncryptLayout() {
if (!mPgpData.hasSignatureKey()) {
mCryptoSignatureCheckbox.setText(R.string.btn_crypto_sign);
mCryptoSignatureCheckbox.setChecked(false);
mCryptoSignatureUserId.setVisibility(View.INVISIBLE);
mCryptoSignatureUserIdRest.setVisibility(View.INVISIBLE);
} else {
mMessageFormat = MessageFormat.TEXT;
// if a signature key is selected, then the checkbox itself has no text
mCryptoSignatureCheckbox.setText("");
mCryptoSignatureCheckbox.setChecked(true);
mCryptoSignatureUserId.setVisibility(View.VISIBLE);
mCryptoSignatureUserIdRest.setVisibility(View.VISIBLE);
mCryptoSignatureUserId.setText(R.string.unknown_crypto_signature_user_id);
mCryptoSignatureUserIdRest.setText("");
String userId = mPgpData.getSignatureUserId();
if (userId == null) {
userId = mAccount.getCryptoProvider().getUserId(this, mPgpData.getSignatureKeyId());
mPgpData.setSignatureUserId(userId);
}
if (userId != null) {
String chunks[] = mPgpData.getSignatureUserId().split(" <", 2);
mCryptoSignatureUserId.setText(chunks[0]);
if (chunks.length > 1) {
mCryptoSignatureUserIdRest.setText("<" + chunks[1]);
}
}
}
}
@Override
public void onResume() {
super.onResume();
mIgnoreOnPause = false;
MessagingController.getInstance(getApplication()).addListener(mListener);
}
@Override
public void onPause() {
super.onPause();
MessagingController.getInstance(getApplication()).removeListener(mListener);
// Save email as draft when activity is changed (go to home screen, call received) or screen locked
// don't do this if only changing orientations
if (!mIgnoreOnPause && (getChangingConfigurations() & ActivityInfo.CONFIG_ORIENTATION) == 0) {
saveIfNeeded();
}
}
/**
* 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,
*/
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
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, mCcWrapper.getVisibility() == View.VISIBLE);
outState.putBoolean(STATE_KEY_BCC_SHOWN, mBccWrapper.getVisibility() == View.VISIBLE);
outState.putSerializable(STATE_KEY_QUOTED_TEXT_MODE, mQuotedTextMode);
outState.putBoolean(STATE_KEY_SOURCE_MESSAGE_PROCED, mSourceMessageProcessed);
outState.putLong(STATE_KEY_DRAFT_ID, mDraftId);
outState.putSerializable(STATE_IDENTITY, mIdentity);
outState.putBoolean(STATE_IDENTITY_CHANGED, mIdentityChanged);
outState.putSerializable(STATE_PGP_DATA, mPgpData);
outState.putString(STATE_IN_REPLY_TO, mInReplyTo);
outState.putString(STATE_REFERENCES, mReferences);
outState.putSerializable(STATE_KEY_HTML_QUOTE, mQuotedHtmlContent);
outState.putSerializable(STATE_KEY_MESSAGE_FORMAT, mMessageFormat);
outState.putBoolean(STATE_KEY_READ_RECEIPT, mReadReceipt);
outState.putBoolean(STATE_KEY_DRAFT_NEEDS_SAVING, mDraftNeedsSaving);
}
@Override
protected void onRestoreInstanceState(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);
}
mMessageFormat = (MessageFormat) savedInstanceState
.getSerializable(STATE_KEY_MESSAGE_FORMAT);
mReadReceipt = savedInstanceState
.getBoolean(STATE_KEY_READ_RECEIPT);
mCcWrapper.setVisibility(savedInstanceState.getBoolean(STATE_KEY_CC_SHOWN) ? View.VISIBLE
: View.GONE);
mBccWrapper.setVisibility(savedInstanceState
.getBoolean(STATE_KEY_BCC_SHOWN) ? View.VISIBLE : View.GONE);
showOrHideQuotedText((QuotedTextMode)savedInstanceState.getSerializable(STATE_KEY_QUOTED_TEXT_MODE));
if (mQuotedTextMode != QuotedTextMode.NONE && mMessageFormat == MessageFormat.HTML) {
mQuotedHtmlContent = (InsertableHtmlContent) savedInstanceState.getSerializable(STATE_KEY_HTML_QUOTE);
if (mQuotedHtmlContent != null && mQuotedHtmlContent.getQuotedContent() != null) {
mQuotedHTML.setText(mQuotedHtmlContent.getQuotedContent(), "text/html");
}
}
mDraftId = savedInstanceState.getLong(STATE_KEY_DRAFT_ID);
mIdentity = (Identity)savedInstanceState.getSerializable(STATE_IDENTITY);
mIdentityChanged = savedInstanceState.getBoolean(STATE_IDENTITY_CHANGED);
mPgpData = (PgpData) savedInstanceState.getSerializable(STATE_PGP_DATA);
mInReplyTo = savedInstanceState.getString(STATE_IN_REPLY_TO);
mReferences = savedInstanceState.getString(STATE_REFERENCES);
mDraftNeedsSaving = savedInstanceState.getBoolean(STATE_KEY_DRAFT_NEEDS_SAVING);
initializeCrypto();
updateFrom();
updateSignature();
updateEncryptLayout();
}
private void updateTitle() {
if (mSubjectView.getText().length() == 0) {
setTitle(R.string.compose_title);
} else {
setTitle(mSubjectView.getText().toString());
}
}
@Override
public void onFocusChange(View view, boolean focused) {
if (!focused) {
updateTitle();
}
}
private void addAddresses(MultiAutoCompleteTextView view, Address[] addresses) {
if (addresses == null) {
return;
}
for (Address address : addresses) {
addAddress(view, address);
}
}
private void addAddress(MultiAutoCompleteTextView view, Address address) {
view.append(address + ", ");
}
private Address[] getAddresses(MultiAutoCompleteTextView view) {
return Address.parseUnencoded(view.getText().toString().trim());
}
/*
* Returns an Address array of recipients this email will be sent to.
* @return Address array of recipients this email will be sent to.
*/
private Address[] getRecipientAddresses() {
String addresses = mToView.getText().toString() + mCcView.getText().toString()
+ mBccView.getText().toString();
return Address.parseUnencoded(addresses.trim());
}
/*
* Build the Body that will contain the text of the message. We'll decide where to
* include it later. Draft messages are treated somewhat differently in that signatures are not
* appended and HTML separators between composed text and quoted text are not added.
* @param isDraft If we should build a message that will be saved as a draft (as opposed to sent).
*/
private TextBody buildText(boolean isDraft) {
return buildText(isDraft, mMessageFormat);
}
/**
* Build the {@link Body} that will contain the text of the message.
*
* <p>
* Draft messages are treated somewhat differently in that signatures are not appended and HTML
* separators between composed text and quoted text are not added.
* </p>
*
* @param isDraft
* If {@code true} we build a message that will be saved as a draft (as opposed to
* sent).
* @param messageFormat
* Specifies what type of message to build ({@code text/plain} vs. {@code text/html}).
*
* @return {@link TextBody} instance that contains the entered text and possibly the quoted
* original message.
*/
private TextBody buildText(boolean isDraft, MessageFormat messageFormat) {
// The length of the formatted version of the user-supplied text/reply
int composedMessageLength;
// The offset of the user-supplied text/reply in the final text body
int composedMessageOffset;
/*
* Find out if we need to include the original message as quoted text.
*
* We include the quoted text in the body if the user didn't choose to hide it. We always
* include the quoted text when we're saving a draft. That's so the user is able to
* "un-hide" the quoted text if (s)he opens a saved draft.
*/
boolean includeQuotedText = (mQuotedTextMode.equals(QuotedTextMode.SHOW) || isDraft);
// Reply after quote makes no sense for HEADER style replies
boolean replyAfterQuote = (mQuoteStyle == QuoteStyle.HEADER) ?
false : mAccount.isReplyAfterQuote();
boolean signatureBeforeQuotedText = mAccount.isSignatureBeforeQuotedText();
// Get the user-supplied text
String text = mMessageContentView.getText().toString();
// Handle HTML separate from the rest of the text content
if (messageFormat == MessageFormat.HTML) {
// Do we have to modify an existing message to include our reply?
if (includeQuotedText && mQuotedHtmlContent != null) {
if (K9.DEBUG) {
Log.d(K9.LOG_TAG, "insertable: " + mQuotedHtmlContent.toDebugString());
}
if (!isDraft) {
// Append signature to the reply
if (replyAfterQuote || signatureBeforeQuotedText) {
text = appendSignature(text);
}
}
// Convert the text to HTML
text = HtmlConverter.textToHtmlFragment(text);
/*
* Set the insertion location based upon our reply after quote setting.
* Additionally, add some extra separators between the composed message and quoted
* message depending on the quote location. We only add the extra separators when
* we're sending, that way when we load a draft, we don't have to know the length
* of the separators to remove them before editing.
*/
if (replyAfterQuote) {
mQuotedHtmlContent.setInsertionLocation(
InsertableHtmlContent.InsertionLocation.AFTER_QUOTE);
if (!isDraft) {
text = "<br clear=\"all\">" + text;
}
} else {
mQuotedHtmlContent.setInsertionLocation(
InsertableHtmlContent.InsertionLocation.BEFORE_QUOTE);
if (!isDraft) {
text += "<br><br>";
}
}
if (!isDraft) {
// Place signature immediately after the quoted text
if (!(replyAfterQuote || signatureBeforeQuotedText)) {
mQuotedHtmlContent.insertIntoQuotedFooter(getSignatureHtml());
}
}
mQuotedHtmlContent.setUserContent(text);
// Save length of the body and its offset. This is used when thawing drafts.
composedMessageLength = text.length();
composedMessageOffset = mQuotedHtmlContent.getInsertionPoint();
text = mQuotedHtmlContent.toString();
} else {
// There is no text to quote so simply append the signature if available
if (!isDraft) {
text = appendSignature(text);
}
// Convert the text to HTML
text = HtmlConverter.textToHtmlFragment(text);
//TODO: Wrap this in proper HTML tags
composedMessageLength = text.length();
composedMessageOffset = 0;
}
} else {
// Capture composed message length before we start attaching quoted parts and signatures.
composedMessageLength = text.length();
composedMessageOffset = 0;
if (!isDraft) {
// Append signature to the text/reply
if (replyAfterQuote || signatureBeforeQuotedText) {
text = appendSignature(text);
}
}
if (includeQuotedText) {
String quotedText = mQuotedText.getText().toString();
if (replyAfterQuote) {
composedMessageOffset = quotedText.length() + "\n".length();
text = quotedText + "\n" + text;
} else {
text += "\n\n" + quotedText.toString();
}
}
if (!isDraft) {
// Place signature immediately after the quoted text
if (!(replyAfterQuote || signatureBeforeQuotedText)) {
text = appendSignature(text);
}
}
}
TextBody body = new TextBody(text);
body.setComposedMessageLength(composedMessageLength);
body.setComposedMessageOffset(composedMessageOffset);
return body;
}
/**
* Build the final message to be sent (or saved). If there is another message quoted in this one, it will be baked
* into the final message here.
* @param isDraft Indicates if this message is a draft or not. Drafts do not have signatures
* appended and have some extra metadata baked into their header for use during thawing.
* @return Message to be sent.
* @throws MessagingException
*/
private MimeMessage createMessage(boolean isDraft) throws MessagingException {
MimeMessage message = new MimeMessage();
message.addSentDate(new Date());
Address from = new Address(mIdentity.getEmail(), mIdentity.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());
if (mReadReceipt) {
message.setHeader("Disposition-Notification-To", from.toEncodedString());
message.setHeader("X-Confirm-Reading-To", from.toEncodedString());
message.setHeader("Return-Receipt-To", from.toEncodedString());
}
message.setHeader("User-Agent", getString(R.string.message_header_mua));
final String replyTo = mIdentity.getReplyTo();
if (replyTo != null) {
message.setReplyTo(new Address[] { new Address(replyTo) });
}
if (mInReplyTo != null) {
message.setInReplyTo(mInReplyTo);
}
if (mReferences != null) {
message.setReferences(mReferences);
}
// Build the body.
// TODO FIXME - body can be either an HTML or Text part, depending on whether we're in
// HTML mode or not. Should probably fix this so we don't mix up html and text parts.
TextBody body = null;
if (mPgpData.getEncryptedData() != null) {
String text = mPgpData.getEncryptedData();
body = new TextBody(text);
} else {
body = buildText(isDraft);
}
// text/plain part when mMessageFormat == MessageFormat.HTML
TextBody bodyPlain = null;
final boolean hasAttachments = mAttachments.getChildCount() > 0;
if (mMessageFormat == MessageFormat.HTML) {
// HTML message (with alternative text part)
// This is the compiled MIME part for an HTML message.
MimeMultipart composedMimeMessage = new MimeMultipart();
composedMimeMessage.setSubType("alternative"); // Let the receiver select either the text or the HTML part.
composedMimeMessage.addBodyPart(new MimeBodyPart(body, "text/html"));
bodyPlain = buildText(isDraft, MessageFormat.TEXT);
composedMimeMessage.addBodyPart(new MimeBodyPart(bodyPlain, "text/plain"));
if (hasAttachments) {
// If we're HTML and have attachments, we have a MimeMultipart container to hold the
// whole message (mp here), of which one part is a MimeMultipart container
// (composedMimeMessage) with the user's composed messages, and subsequent parts for
// the attachments.
MimeMultipart mp = new MimeMultipart();
mp.addBodyPart(new MimeBodyPart(composedMimeMessage));
addAttachmentsToMessage(mp);
message.setBody(mp);
} else {
// If no attachments, our multipart/alternative part is the only one we need.
message.setBody(composedMimeMessage);
}
} else {
// Text-only message.
if (hasAttachments) {
MimeMultipart mp = new MimeMultipart();
mp.addBodyPart(new MimeBodyPart(body, "text/plain"));
addAttachmentsToMessage(mp);
message.setBody(mp);
} else {
// No attachments to include, just stick the text body in the message and call it good.
message.setBody(body);
}
}
// If this is a draft, add metadata for thawing.
if (isDraft) {
// Add the identity to the message.
message.addHeader(K9.IDENTITY_HEADER, buildIdentityHeader(body, bodyPlain));
}
return message;
}
/**
* Add attachments as parts into a MimeMultipart container.
* @param mp MimeMultipart container in which to insert parts.
* @throws MessagingException
*/
private void addAttachmentsToMessage(final MimeMultipart mp) throws MessagingException {
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()));
/*
* Correctly encode the filename here. Otherwise the whole
* header value (all parameters at once) will be encoded by
* MimeHeader.writeTo().
*/
bp.addHeader(MimeHeader.HEADER_CONTENT_TYPE, String.format("%s;\n name=\"%s\"",
attachment.contentType,
EncoderUtil.encodeIfNecessary(attachment.name,
EncoderUtil.Usage.WORD_ENTITY, 7)));
bp.addHeader(MimeHeader.HEADER_CONTENT_TRANSFER_ENCODING, "base64");
/*
* TODO: Oh the joys of MIME...
*
* From RFC 2183 (The Content-Disposition Header Field):
* "Parameter values longer than 78 characters, or which
* contain non-ASCII characters, MUST be encoded as specified
* in [RFC 2184]."
*
* Example:
*
* Content-Type: application/x-stuff
* title*1*=us-ascii'en'This%20is%20even%20more%20
* title*2*=%2A%2A%2Afun%2A%2A%2A%20
* title*3="isn't it!"
*/
bp.addHeader(MimeHeader.HEADER_CONTENT_DISPOSITION, String.format(
"attachment;\n filename=\"%s\";\n size=%d",
attachment.name, attachment.size));
mp.addBodyPart(bp);
}
}
// FYI, there's nothing in the code that requires these variables to one letter. They're one
// letter simply to save space. This name sucks. It's too similar to Account.Identity.
private enum IdentityField {
LENGTH("l"),
OFFSET("o"),
FOOTER_OFFSET("fo"),
PLAIN_LENGTH("pl"),
PLAIN_OFFSET("po"),
MESSAGE_FORMAT("f"),
MESSAGE_READ_RECEIPT("r"),
SIGNATURE("s"),
NAME("n"),
EMAIL("e"),
// TODO - store a reference to the message being replied so we can mark it at the time of send.
ORIGINAL_MESSAGE("m"),
CURSOR_POSITION("p"), // Where in the message your cursor was when you saved.
QUOTED_TEXT_MODE("q"),
QUOTE_STYLE("qs");
private final String value;
IdentityField(String value) {
this.value = value;
}
public String value() {
return value;
}
/**
* Get the list of IdentityFields that should be integer values.
*
* <p>
* These values are sanity checked for integer-ness during decoding.
* </p>
*
* @return The list of integer {@link IdentityField}s.
*/
public static IdentityField[] getIntegerFields() {
return new IdentityField[] { LENGTH, OFFSET, FOOTER_OFFSET, PLAIN_LENGTH, PLAIN_OFFSET };
}
}
// Version identifier for "new style" identity. ! is an impossible value in base64 encoding, so we
// use that to determine which version we're in.
private static final String IDENTITY_VERSION_1 = "!";
/**
* Build the identity header string. This string contains metadata about a draft message to be
* used upon loading a draft for composition. This should be generated at the time of saving a
* draft.<br>
* <br>
* This is a URL-encoded key/value pair string. The list of possible values are in {@link IdentityField}.
* @param body {@link TextBody} to analyze for body length and offset.
* @param bodyPlain {@link TextBody} to analyze for body length and offset. May be null.
* @return Identity string.
*/
private String buildIdentityHeader(final TextBody body, final TextBody bodyPlain) {
Uri.Builder uri = new Uri.Builder();
if (body.getComposedMessageLength() != null && body.getComposedMessageOffset() != null) {
// See if the message body length is already in the TextBody.
uri.appendQueryParameter(IdentityField.LENGTH.value(), body.getComposedMessageLength().toString());
uri.appendQueryParameter(IdentityField.OFFSET.value(), body.getComposedMessageOffset().toString());
} else {
// If not, calculate it now.
uri.appendQueryParameter(IdentityField.LENGTH.value(), Integer.toString(body.getText().length()));
uri.appendQueryParameter(IdentityField.OFFSET.value(), Integer.toString(0));
}
if (mQuotedHtmlContent != null) {
uri.appendQueryParameter(IdentityField.FOOTER_OFFSET.value(),
Integer.toString(mQuotedHtmlContent.getFooterInsertionPoint()));
}
if (bodyPlain != null) {
if (bodyPlain.getComposedMessageLength() != null && bodyPlain.getComposedMessageOffset() != null) {
// See if the message body length is already in the TextBody.
uri.appendQueryParameter(IdentityField.PLAIN_LENGTH.value(), bodyPlain.getComposedMessageLength().toString());
uri.appendQueryParameter(IdentityField.PLAIN_OFFSET.value(), bodyPlain.getComposedMessageOffset().toString());
} else {
// If not, calculate it now.
uri.appendQueryParameter(IdentityField.PLAIN_LENGTH.value(), Integer.toString(body.getText().length()));
uri.appendQueryParameter(IdentityField.PLAIN_OFFSET.value(), Integer.toString(0));
}
}
// Save the quote style (useful for forwards).
uri.appendQueryParameter(IdentityField.QUOTE_STYLE.value(), mQuoteStyle.name());
// Save the message format for this offset.
uri.appendQueryParameter(IdentityField.MESSAGE_FORMAT.value(), mMessageFormat.name());
// If we're not using the standard identity of signature, append it on to the identity blob.
if (mSignatureChanged) {
uri.appendQueryParameter(IdentityField.SIGNATURE.value(), mSignatureView.getText().toString());
}
if (mIdentityChanged) {
uri.appendQueryParameter(IdentityField.NAME.value(), mIdentity.getName());
uri.appendQueryParameter(IdentityField.EMAIL.value(), mIdentity.getEmail());
}
if (mMessageReference != null) {
uri.appendQueryParameter(IdentityField.ORIGINAL_MESSAGE.value(), mMessageReference.toIdentityString());
}
uri.appendQueryParameter(IdentityField.CURSOR_POSITION.value(), Integer.toString(mMessageContentView.getSelectionStart()));
uri.appendQueryParameter(IdentityField.QUOTED_TEXT_MODE.value(), mQuotedTextMode.name());
String k9identity = IDENTITY_VERSION_1 + uri.build().getEncodedQuery();
if (K9.DEBUG) {
Log.d(K9.LOG_TAG, "Generated identity: " + k9identity);
}
return k9identity;
}
/**
* Parse an identity string. Handles both legacy and new (!) style identities.
*
* @param identityString
* The encoded identity string that was saved in a drafts header.
*
* @return A map containing the value for each {@link IdentityField} in the identity string.
*/
private Map<IdentityField, String> parseIdentityHeader(final String identityString) {
Map<IdentityField, String> identity = new HashMap<IdentityField, String>();
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "Decoding identity: " + identityString);
if (identityString == null || identityString.length() < 1) {
return identity;
}
// Check to see if this is a "next gen" identity.
if (identityString.charAt(0) == IDENTITY_VERSION_1.charAt(0) && identityString.length() > 2) {
Uri.Builder builder = new Uri.Builder();
builder.encodedQuery(identityString.substring(1)); // Need to cut off the ! at the beginning.
Uri uri = builder.build();
for (IdentityField key : IdentityField.values()) {
String value = uri.getQueryParameter(key.value());
if (value != null) {
identity.put(key, value);
}
}
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "Decoded identity: " + identity.toString());
// Sanity check our Integers so that recipients of this result don't have to.
for (IdentityField key : IdentityField.getIntegerFields()) {
if (identity.get(key) != null) {
try {
Integer.parseInt(identity.get(key));
} catch (NumberFormatException e) {
Log.e(K9.LOG_TAG, "Invalid " + key.name() + " field in identity: " + identity.get(key));
}
}
}
} else {
// Legacy identity
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "Got a saved legacy identity: " + identityString);
StringTokenizer tokens = new StringTokenizer(identityString, ":", false);
// First item is the body length. We use this to separate the composed reply from the quoted text.
if (tokens.hasMoreTokens()) {
String bodyLengthS = Utility.base64Decode(tokens.nextToken());
try {
identity.put(IdentityField.LENGTH, Integer.valueOf(bodyLengthS).toString());
} catch (Exception e) {
Log.e(K9.LOG_TAG, "Unable to parse bodyLength '" + bodyLengthS + "'");
}
}
if (tokens.hasMoreTokens()) {
identity.put(IdentityField.SIGNATURE, Utility.base64Decode(tokens.nextToken()));
}
if (tokens.hasMoreTokens()) {
identity.put(IdentityField.NAME, Utility.base64Decode(tokens.nextToken()));
}
if (tokens.hasMoreTokens()) {
identity.put(IdentityField.EMAIL, Utility.base64Decode(tokens.nextToken()));
}
if (tokens.hasMoreTokens()) {
identity.put(IdentityField.QUOTED_TEXT_MODE, Utility.base64Decode(tokens.nextToken()));
}
}
return identity;
}
private String appendSignature(String originalText) {
String text = originalText;
if (mIdentity.getSignatureUse()) {
String signature = mSignatureView.getText().toString();
if (signature != null && !signature.contentEquals("")) {
text += "\n" + signature;
}
}
return text;
}
/**
* Get an HTML version of the signature in the #mSignatureView, if any.
* @return HTML version of signature.
*/
private String getSignatureHtml() {
String signature = "";
if (mIdentity.getSignatureUse()) {
signature = mSignatureView.getText().toString();
if(!StringUtils.isNullOrEmpty(signature)) {
signature = HtmlConverter.textToHtmlFragment("\n" + signature);
}
}
return signature;
}
private void sendMessage() {
new SendMessageTask().execute();
}
private void saveMessage() {
new SaveMessageTask().execute();
}
private void saveIfNeeded() {
if (!mDraftNeedsSaving || mPreventDraftSaving || mPgpData.hasEncryptionKeys() ||
mEncryptCheckbox.isChecked() || !mAccount.hasDraftsFolder()) {
return;
}
mDraftNeedsSaving = false;
saveMessage();
}
public void onEncryptionKeySelectionDone() {
if (mPgpData.hasEncryptionKeys()) {
onSend();
} else {
Toast.makeText(this, R.string.send_aborted, Toast.LENGTH_SHORT).show();
}
}
public void onEncryptDone() {
if (mPgpData.getEncryptedData() != null) {
onSend();
} else {
Toast.makeText(this, R.string.send_aborted, Toast.LENGTH_SHORT).show();
}
}
private void onSend() {
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;
}
final CryptoProvider crypto = mAccount.getCryptoProvider();
if (mEncryptCheckbox.isChecked() && !mPgpData.hasEncryptionKeys()) {
mMessageFormat = MessageFormat.TEXT;
// key selection before encryption
StringBuilder emails = new StringBuilder();
for (Address address : getRecipientAddresses()) {
if (emails.length() != 0) {
emails.append(',');
}
emails.append(address.getAddress());
if (!mContinueWithoutPublicKey &&
!crypto.hasPublicKeyForEmail(this, address.getAddress())) {
showDialog(DIALOG_CONTINUE_WITHOUT_PUBLIC_KEY);
return;
}
}
if (emails.length() != 0) {
emails.append(',');
}
emails.append(mIdentity.getEmail());
mPreventDraftSaving = true;
if (!crypto.selectEncryptionKeys(MessageCompose.this, emails.toString(), mPgpData)) {
mPreventDraftSaving = false;
}
return;
}
if (mPgpData.hasEncryptionKeys() || mPgpData.hasSignatureKey()) {
if (mPgpData.getEncryptedData() == null) {
String text = buildText(false).getText();
mPreventDraftSaving = true;
if (!crypto.encrypt(this, text, mPgpData)) {
mPreventDraftSaving = false;
}
return;
}
}
sendMessage();
if (mMessageReference != null && mMessageReference.flag != null) {
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "Setting referenced message (" + mMessageReference.folderName + ", " + mMessageReference.uid + ") flag to " + mMessageReference.flag);
final Account account = Preferences.getPreferences(this).getAccount(mMessageReference.accountUuid);
final String folderName = mMessageReference.folderName;
final String sourceMessageUid = mMessageReference.uid;
MessagingController.getInstance(getApplication()).setFlag(account, folderName, sourceMessageUid, mMessageReference.flag, true);
}
mDraftNeedsSaving = false;
finish();
}
private void onDiscard() {
if (mDraftId != INVALID_DRAFT_ID) {
MessagingController.getInstance(getApplication()).deleteDraft(mAccount, mDraftId);
mDraftId = INVALID_DRAFT_ID;
}
mHandler.sendEmptyMessage(MSG_DISCARDED_DRAFT);
mDraftNeedsSaving = false;
finish();
}
private void onSave() {
saveIfNeeded();
finish();
}
private void onAddCcBcc() {
mCcWrapper.setVisibility(View.VISIBLE);
mBccWrapper.setVisibility(View.VISIBLE);
}
private void onReadReceipt() {
CharSequence txt;
if (mReadReceipt == false) {
txt = getString(R.string.read_receipt_enabled);
mReadReceipt = true;
} else {
txt = getString(R.string.read_receipt_disabled);
mReadReceipt = false;
}
Context context = getApplicationContext();
Toast toast = Toast.makeText(context, txt, Toast.LENGTH_SHORT);
toast.show();
}
/**
* Kick off a picker for whatever kind of MIME types we'll accept and let Android take over.
*/
private void onAddAttachment() {
if (K9.isGalleryBuggy()) {
if (K9.useGalleryBugWorkaround()) {
Toast.makeText(MessageCompose.this,
getString(R.string.message_compose_use_workaround),
Toast.LENGTH_LONG).show();
} else {
Toast.makeText(MessageCompose.this,
getString(R.string.message_compose_buggy_gallery),
Toast.LENGTH_LONG).show();
}
}
onAddAttachment2("*/*");
}
/**
* Kick off a picker for the specified MIME type and let Android take over.
*
* @param mime_type
* The MIME type we want our attachment to have.
*/
private void onAddAttachment2(final String mime_type) {
if (mAccount.getCryptoProvider().isAvailable(this)) {
Toast.makeText(this, R.string.attachment_encryption_unsupported, Toast.LENGTH_LONG).show();
}
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType(mime_type);
mIgnoreOnPause = true;
startActivityForResult(Intent.createChooser(i, null), ACTIVITY_REQUEST_PICK_ATTACHMENT);
}
private void addAttachment(Uri uri) {
addAttachment(uri, null);
}
private void addAttachment(Uri uri, String contentType) {
long size = -1;
String name = null;
ContentResolver contentResolver = getContentResolver();
Cursor metadataCursor = contentResolver.query(
uri,
new String[] { OpenableColumns.DISPLAY_NAME, OpenableColumns.SIZE },
null,
null,
null);
if (metadataCursor != null) {
try {
if (metadataCursor.moveToFirst()) {
name = metadataCursor.getString(0);
size = metadataCursor.getInt(1);
}
} finally {
metadataCursor.close();
}
}
if (name == null) {
name = uri.getLastPathSegment();
}
String usableContentType = contentType;
if ((usableContentType == null) || (usableContentType.indexOf('*') != -1)) {
usableContentType = contentResolver.getType(uri);
}
if (usableContentType == null) {
usableContentType = MimeUtility.getMimeTypeByExtension(name);
}
if (size <= 0) {
String uriString = uri.toString();
if (uriString.startsWith("file://")) {
Log.v(K9.LOG_TAG, uriString.substring("file://".length()));
File f = new File(uriString.substring("file://".length()));
size = f.length();
} else {
Log.v(K9.LOG_TAG, "Not a file: " + uriString);
}
} else {
Log.v(K9.LOG_TAG, "old attachment.size: " + size);
}
Log.v(K9.LOG_TAG, "new attachment.size: " + size);
Attachment attachment = new Attachment();
attachment.uri = uri;
attachment.contentType = usableContentType;
attachment.name = name;
attachment.size = size;
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);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// if a CryptoSystem activity is returning, then mPreventDraftSaving was set to true
mPreventDraftSaving = false;
if (mAccount.getCryptoProvider().onActivityResult(this, requestCode, resultCode, data, mPgpData)) {
return;
}
if (resultCode != RESULT_OK)
return;
if (data == null) {
return;
}
switch (requestCode) {
case ACTIVITY_REQUEST_PICK_ATTACHMENT:
addAttachment(data.getData());
mDraftNeedsSaving = true;
break;
case CONTACT_PICKER_TO:
case CONTACT_PICKER_CC:
case CONTACT_PICKER_BCC:
ContactItem contact = mContacts.extractInfoFromContactPickerIntent(data);
if (contact == null) {
Toast.makeText(this, getString(R.string.error_contact_address_not_found), Toast.LENGTH_LONG).show();
return;
}
if (contact.emailAddresses.size() > 1) {
Intent i = new Intent(this, EmailAddressList.class);
i.putExtra(EmailAddressList.EXTRA_CONTACT_ITEM, contact);
if (requestCode == CONTACT_PICKER_TO) {
startActivityForResult(i, CONTACT_PICKER_TO2);
} else if (requestCode == CONTACT_PICKER_CC) {
startActivityForResult(i, CONTACT_PICKER_CC2);
} else if (requestCode == CONTACT_PICKER_BCC) {
startActivityForResult(i, CONTACT_PICKER_BCC2);
}
return;
}
if (K9.DEBUG) {
List<String> emails = contact.emailAddresses;
for (int i = 0; i < emails.size(); i++) {
Log.v(K9.LOG_TAG, "email[" + i + "]: " + emails.get(i));
}
}
String email = contact.emailAddresses.get(0);
if (requestCode == CONTACT_PICKER_TO) {
addAddress(mToView, new Address(email, ""));
} else if (requestCode == CONTACT_PICKER_CC) {
addAddress(mCcView, new Address(email, ""));
} else if (requestCode == CONTACT_PICKER_BCC) {
addAddress(mBccView, new Address(email, ""));
} else {
return;
}
break;
case CONTACT_PICKER_TO2:
case CONTACT_PICKER_CC2:
case CONTACT_PICKER_BCC2:
String emailAddr = data.getStringExtra(EmailAddressList.EXTRA_EMAIL_ADDRESS);
if (requestCode == CONTACT_PICKER_TO2) {
addAddress(mToView, new Address(emailAddr, ""));
} else if (requestCode == CONTACT_PICKER_CC2) {
addAddress(mCcView, new Address(emailAddr, ""));
} else if (requestCode == CONTACT_PICKER_BCC2) {
addAddress(mBccView, new Address(emailAddr, ""));
}
break;
}
}
public void doLaunchContactPicker(int resultId) {
mIgnoreOnPause = true;
startActivityForResult(mContacts.contactPickerIntent(), resultId);
}
private void onAccountChosen(Account account, Identity identity) {
if (!mAccount.equals(account)) {
if (K9.DEBUG) {
Log.v(K9.LOG_TAG, "Switching account from " + mAccount + " to " + account);
}
// on draft edit, make sure we don't keep previous message UID
if (ACTION_EDIT_DRAFT.equals(getIntent().getAction())) {
mMessageReference = null;
}
// test whether there is something to save
if (mDraftNeedsSaving || (mDraftId != INVALID_DRAFT_ID)) {
final long previousDraftId = mDraftId;
final Account previousAccount = mAccount;
// make current message appear as new
mDraftId = INVALID_DRAFT_ID;
// actual account switch
mAccount = account;
if (K9.DEBUG) {
Log.v(K9.LOG_TAG, "Account switch, saving new draft in new account");
}
saveMessage();
if (previousDraftId != INVALID_DRAFT_ID) {
if (K9.DEBUG) {
Log.v(K9.LOG_TAG, "Account switch, deleting draft from previous account: "
+ previousDraftId);
}
MessagingController.getInstance(getApplication()).deleteDraft(previousAccount,
previousDraftId);
}
} else {
mAccount = account;
}
// not sure how to handle mFolder, mSourceMessage?
}
switchToIdentity(identity);
}
private void switchToIdentity(Identity identity) {
mIdentity = identity;
mIdentityChanged = true;
mDraftNeedsSaving = true;
updateFrom();
updateSignature();
}
private void updateFrom() {
mChooseIdentityButton.setText(mIdentity.getEmail());
}
private void updateSignature() {
if (mIdentity.getSignatureUse()) {
mSignatureView.setText(mIdentity.getSignature());
mSignatureView.setVisibility(View.VISIBLE);
} else {
mSignatureView.setVisibility(View.GONE);
}
}
@Override
public void onClick(View view) {
switch (view.getId()) {
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_show:
showOrHideQuotedText(QuotedTextMode.SHOW);
mDraftNeedsSaving = true;
break;
case R.id.quoted_text_delete:
showOrHideQuotedText(QuotedTextMode.HIDE);
mDraftNeedsSaving = true;
break;
case R.id.quoted_text_edit:
mMessageFormat = MessageFormat.TEXT;
if (mMessageReference != null) { // shouldn't happen...
// TODO - Should we check if mSourceMessageBody is already present and bypass the MessagingController call?
MessagingController.getInstance(getApplication()).addListener(mListener);
final Account account = Preferences.getPreferences(this).getAccount(mMessageReference.accountUuid);
final String folderName = mMessageReference.folderName;
final String sourceMessageUid = mMessageReference.uid;
MessagingController.getInstance(getApplication()).loadMessageForView(account, folderName, sourceMessageUid, null);
}
break;
case R.id.identity:
showDialog(DIALOG_CHOOSE_IDENTITY);
break;
}
}
/*
* Show or Hide the quoted text according to mQuotedTextMode.
*/
private void showOrHideQuotedText(QuotedTextMode mode) {
mQuotedTextMode = mode;
if (mQuotedTextMode == QuotedTextMode.NONE) {
mQuotedTextShow.setVisibility(View.GONE);
mQuotedTextBar.setVisibility(View.GONE);
mQuotedText.setVisibility(View.GONE);
mQuotedHTML.setVisibility(View.GONE);
mQuotedTextEdit.setVisibility(View.GONE);
} else if (mQuotedTextMode == QuotedTextMode.SHOW) {
mQuotedTextShow.setVisibility(View.GONE);
mQuotedTextBar.setVisibility(View.VISIBLE);
if (mMessageFormat == MessageFormat.HTML) {
mQuotedText.setVisibility(View.GONE);
mQuotedHTML.setVisibility(View.VISIBLE);
mQuotedTextEdit.setVisibility(View.VISIBLE);
} else {
mQuotedText.setVisibility(View.VISIBLE);
mQuotedHTML.setVisibility(View.GONE);
mQuotedTextEdit.setVisibility(View.GONE);
}
} else if (mQuotedTextMode == QuotedTextMode.HIDE) {
mQuotedTextShow.setVisibility(View.VISIBLE);
mQuotedTextBar.setVisibility(View.GONE);
mQuotedText.setVisibility(View.GONE);
mQuotedHTML.setVisibility(View.GONE);
mQuotedTextEdit.setVisibility(View.GONE);
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.send:
mPgpData.setEncryptionKeys(null);
onSend();
break;
case R.id.save:
if (mEncryptCheckbox.isChecked()) {
showDialog(DIALOG_REFUSE_TO_SAVE_DRAFT_MARKED_ENCRYPTED);
} else {
onSave();
}
break;
case R.id.discard:
onDiscard();
break;
case R.id.add_cc_bcc:
onAddCcBcc();
break;
case R.id.add_attachment:
onAddAttachment();
break;
case R.id.add_attachment_image:
onAddAttachment2("image/*");
break;
case R.id.add_attachment_video:
onAddAttachment2("video/*");
break;
case R.id.read_receipt:
onReadReceipt();
default:
return super.onOptionsItemSelected(item);
}
return true;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
getMenuInflater().inflate(R.menu.message_compose_option, menu);
// Disable the 'Save' menu option if Drafts folder is set to -NONE-
if (!mAccount.hasDraftsFolder()) {
menu.findItem(R.id.save).setEnabled(false);
}
/*
* Show the menu items "Add attachment (Image)" and "Add attachment (Video)"
* if the work-around for the Gallery bug is enabled (see Issue 1186).
*/
int found = 0;
for (int i = menu.size() - 1; i >= 0; i--) {
MenuItem item = menu.getItem(i);
int id = item.getItemId();
if ((id == R.id.add_attachment_image) ||
(id == R.id.add_attachment_video)) {
item.setVisible(K9.useGalleryBugWorkaround());
found++;
}
// We found all the menu items we were looking for. So stop here.
if (found == 2) break;
}
return true;
}
@Override
public void onBackPressed() {
if (mDraftNeedsSaving) {
if (mEncryptCheckbox.isChecked()) {
showDialog(DIALOG_REFUSE_TO_SAVE_DRAFT_MARKED_ENCRYPTED);
} else if (!mAccount.hasDraftsFolder()) {
showDialog(DIALOG_CONFIRM_DISCARD_ON_BACK);
} else {
showDialog(DIALOG_SAVE_OR_DISCARD_DRAFT_MESSAGE);
}
} else {
// Check if editing an existing draft.
if (mDraftId == INVALID_DRAFT_ID) {
onDiscard();
} else {
super.onBackPressed();
}
}
}
@Override
public Dialog onCreateDialog(int id) {
switch (id) {
case DIALOG_SAVE_OR_DISCARD_DRAFT_MESSAGE:
return new AlertDialog.Builder(this)
.setTitle(R.string.save_or_discard_draft_message_dlg_title)
.setMessage(R.string.save_or_discard_draft_message_instructions_fmt)
.setPositiveButton(R.string.save_draft_action, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
dismissDialog(DIALOG_SAVE_OR_DISCARD_DRAFT_MESSAGE);
onSave();
}
})
.setNegativeButton(R.string.discard_action, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
dismissDialog(DIALOG_SAVE_OR_DISCARD_DRAFT_MESSAGE);
onDiscard();
}
})
.create();
case DIALOG_REFUSE_TO_SAVE_DRAFT_MARKED_ENCRYPTED:
return new AlertDialog.Builder(this)
.setTitle(R.string.refuse_to_save_draft_marked_encrypted_dlg_title)
.setMessage(R.string.refuse_to_save_draft_marked_encrypted_instructions_fmt)
.setNeutralButton(R.string.okay_action, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
dismissDialog(DIALOG_REFUSE_TO_SAVE_DRAFT_MARKED_ENCRYPTED);
}
})
.create();
case DIALOG_CONTINUE_WITHOUT_PUBLIC_KEY:
return new AlertDialog.Builder(this)
.setTitle(R.string.continue_without_public_key_dlg_title)
.setMessage(R.string.continue_without_public_key_instructions_fmt)
.setPositiveButton(R.string.continue_action, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
dismissDialog(DIALOG_CONTINUE_WITHOUT_PUBLIC_KEY);
mContinueWithoutPublicKey = true;
onSend();
}
})
.setNegativeButton(R.string.back_action, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
dismissDialog(DIALOG_CONTINUE_WITHOUT_PUBLIC_KEY);
mContinueWithoutPublicKey = false;
}
})
.create();
case DIALOG_CONFIRM_DISCARD_ON_BACK:
return new AlertDialog.Builder(this)
.setTitle(R.string.confirm_discard_draft_message_title)
.setMessage(R.string.confirm_discard_draft_message)
.setPositiveButton(R.string.cancel_action, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
dismissDialog(DIALOG_CONFIRM_DISCARD_ON_BACK);
}
})
.setNegativeButton(R.string.discard_action, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
dismissDialog(DIALOG_CONFIRM_DISCARD_ON_BACK);
Toast.makeText(MessageCompose.this,
getString(R.string.message_discarded_toast),
Toast.LENGTH_LONG).show();
onDiscard();
}
})
.create();
case DIALOG_CHOOSE_IDENTITY:
Context context = new ContextWrapper(this);
context.setTheme(K9.getK9ThemeResourceId(K9.THEME_LIGHT));
Builder builder = new AlertDialog.Builder(context);
builder.setTitle(R.string.send_as);
final IdentityAdapter adapter = new IdentityAdapter(context, getLayoutInflater());
builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
IdentityContainer container = (IdentityContainer) adapter.getItem(which);
onAccountChosen(container.account, container.identity);
}
});
return builder.create();
}
return super.onCreateDialog(id);
}
/**
* Add all attachments of an existing message as if they were added by hand.
*
* @param part
* The message part to check for being an attachment. This method will recurse if it's
* a multipart part.
* @param depth
* The recursion depth. Currently unused.
*
* @return {@code true} if all attachments were able to be attached, {@code false} otherwise.
*
* @throws MessagingException
* In case of an error
*/
private boolean loadAttachments(Part part, int depth) throws MessagingException {
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;
}
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() {
@Override
public void run() {
addAttachment(uri);
}
});
} else {
return false;
}
}
return true;
}
/**
* 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
*/
private void processSourceMessage(Message message) {
String action = getIntent().getAction();
try {
if (ACTION_REPLY.equals(action) || ACTION_REPLY_ALL.equals(action)) {
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 (ACTION_REPLY_ALL.equals(action) || ACTION_REPLY.equals(action)) {
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 (ACTION_REPLY_ALL.equals(action)) {
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 (ACTION_FORWARD.equals(action)) {
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 (ACTION_EDIT_DRAFT.equals(action)) {
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) {
/**
* Let the user continue composing their message even if we have a problem processing
* the source message. Log it as an error, though.
*/
Log.e(K9.LOG_TAG, "Error while processing source message: ", me);
} finally {
mSourceMessageProcessed = true;
mDraftNeedsSaving = false;
}
}
/*
* 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 bodyOffset Insertion point for reply.
* @param bodyLength Length of reply.
* @param viewMessageContent Update mMessageContentView or not.
* @throws MessagingException
*/
private void processSourceMessageText(Message message, Integer bodyOffset, Integer bodyLength,
boolean viewMessageContent) throws MessagingException {
Part textPart = MimeUtility.findFirstPartByMimeType(message, "text/plain");
if (textPart != null) {
String text = MimeUtility.getTextFromPart(textPart);
if (K9.DEBUG) {
Log.d(K9.LOG_TAG, "Loading message with offset " + bodyOffset + ", length " + bodyLength + ". Text length is " + text.length() + ".");
}
// If we had a body length (and it was valid), separate the composition from the quoted text
// and put them in their respective places in the UI.
if (bodyLength != null && bodyLength + 1 < text.length()) { // + 1 to get rid of the newline we added when saving the draft
String bodyText = text.substring(bodyOffset, bodyOffset + bodyLength);
// Regenerate the quoted text without our user content in it nor added newlines.
StringBuilder quotedText = new StringBuilder();
if (bodyOffset == 0 && text.substring(bodyLength, bodyLength + 2).equals("\n\n")) {
// top-posting: ignore two newlines at start of quote
quotedText.append(text.substring(bodyLength + 2));
} else if (bodyOffset + bodyLength == text.length() &&
text.substring(bodyOffset - 1, bodyOffset).equals("\n")) {
// bottom-posting: ignore newline at end of quote
quotedText.append(text.substring(0, bodyOffset - 1));
} else {
quotedText.append(text.substring(0, bodyOffset)); // stuff before the reply
quotedText.append(text.substring(bodyOffset + bodyLength));
}
if (viewMessageContent) mMessageContentView.setText(bodyText);
mQuotedText.setText(quotedText.toString());
} else {
if (viewMessageContent) mMessageContentView.setText(text);
}
}
}
// Regexes to check for signature.
private static final Pattern DASH_SIGNATURE_PLAIN = Pattern.compile("\r\n-- \r\n.*", Pattern.DOTALL);
private static final Pattern DASH_SIGNATURE_HTML = Pattern.compile("(<br( /)?>|\r?\n)-- <br( /)?>", Pattern.CASE_INSENSITIVE);
private static final Pattern BLOCKQUOTE_START = Pattern.compile("<blockquote", Pattern.CASE_INSENSITIVE);
private static final Pattern BLOCKQUOTE_END = Pattern.compile("</blockquote>", Pattern.CASE_INSENSITIVE);
/**
* Build and populate the UI with the quoted message.
*
* @param showQuotedText
* {@code true} if the quoted text should be shown, {@code false} otherwise.
*
* @throws MessagingException
*/
private void populateUIWithQuotedMessage(boolean showQuotedText) throws MessagingException {
if (mMessageFormat == MessageFormat.AUTO) {
mMessageFormat = MimeUtility.findFirstPartByMimeType(mSourceMessage, "text/html") == null
? MessageFormat.TEXT
: MessageFormat.HTML;
}
// TODO -- I am assuming that mSourceMessageBody will always be a text part. Is this a safe assumption?
// Handle the original message in the reply
// If we already have mSourceMessageBody, use that. It's pre-populated if we've got crypto going on.
String content = mSourceMessageBody != null
? mSourceMessageBody
: getBodyTextFromMessage(mSourceMessage, mMessageFormat);
if (mMessageFormat == MessageFormat.HTML) {
// Strip signature.
// closing tags such as </div>, </span>, </table>, </pre> will be cut off.
if (mAccount.isStripSignature() && (ACTION_REPLY_ALL.equals(getIntent().getAction()) ||
ACTION_REPLY.equals(getIntent().getAction()))) {
Matcher dashSignatureHtml = DASH_SIGNATURE_HTML.matcher(content);
if (dashSignatureHtml.find()) {
Matcher blockquoteStart = BLOCKQUOTE_START.matcher(content);
Matcher blockquoteEnd = BLOCKQUOTE_END.matcher(content);
List<Integer> start = new ArrayList<Integer>();
List<Integer> end = new ArrayList<Integer>();
while(blockquoteStart.find()) {
start.add(blockquoteStart.start());
}
while(blockquoteEnd.find()) {
end.add(blockquoteEnd.start());
}
if (start.size() != end.size()) {
Log.d(K9.LOG_TAG, "There are " + start.size() + " <blockquote> tags, but " +
end.size() + " </blockquote> tags. Refusing to strip.");
} else if (start.size() > 0) {
// Ignore quoted signatures in blockquotes.
dashSignatureHtml.region(0, start.get(0));
if (dashSignatureHtml.find()) {
// before first <blockquote>.
content = content.substring(0, dashSignatureHtml.start());
} else {
for (int i = 0; i < start.size() - 1; i++) {
// within blockquotes.
if (end.get(i) < start.get(i+1)) {
dashSignatureHtml.region(end.get(i), start.get(i+1));
if (dashSignatureHtml.find()) {
content = content.substring(0, dashSignatureHtml.start());
break;
}
}
}
if (end.get(end.size() - 1) < content.length()) {
// after last </blockquote>.
dashSignatureHtml.region(end.get(end.size() - 1), content.length());
if (dashSignatureHtml.find()) {
content = content.substring(0, dashSignatureHtml.start());
}
}
}
} else {
// No blockquotes found.
content = content.substring(0, dashSignatureHtml.start());
}
}
// Fix the stripping off of closing tags if a signature was stripped,
// as well as clean up the HTML of the quoted message.
HtmlCleaner cleaner = new HtmlCleaner();
CleanerProperties properties = cleaner.getProperties();
// see http://htmlcleaner.sourceforge.net/parameters.php for descriptions
properties.setNamespacesAware(false);
properties.setAdvancedXmlEscape(false);
properties.setOmitXmlDeclaration(true);
properties.setOmitDoctypeDeclaration(false);
properties.setTranslateSpecialEntities(false);
properties.setRecognizeUnicodeChars(false);
TagNode node = cleaner.clean(content);
SimpleHtmlSerializer htmlSerialized = new SimpleHtmlSerializer(properties);
try {
content = htmlSerialized.getAsString(node, "UTF8");
} catch (java.io.IOException ioe) {
// Can't imagine this happening.
Log.e(K9.LOG_TAG, "Problem cleaning quoted message.", ioe);
}
}
// Add the HTML reply header to the top of the content.
mQuotedHtmlContent = quoteOriginalHtmlMessage(mSourceMessage, content, mQuoteStyle);
// Load the message with the reply header.
mQuotedHTML.setText(mQuotedHtmlContent.getQuotedContent(), "text/html");
mQuotedText.setText(quoteOriginalTextMessage(mSourceMessage,
getBodyTextFromMessage(mSourceMessage, MessageFormat.TEXT), mQuoteStyle));
} else if (mMessageFormat == MessageFormat.TEXT) {
if (mAccount.isStripSignature() && (ACTION_REPLY_ALL.equals(getIntent().getAction()) ||
ACTION_REPLY.equals(getIntent().getAction()))) {
if (DASH_SIGNATURE_PLAIN.matcher(content).find()) {
content = DASH_SIGNATURE_PLAIN.matcher(content).replaceFirst("\r\n");
}
}
mQuotedText.setText(quoteOriginalTextMessage(mSourceMessage, content, mQuoteStyle));
}
if (showQuotedText) {
showOrHideQuotedText(QuotedTextMode.SHOW);
} else {
showOrHideQuotedText(QuotedTextMode.HIDE);
}
}
/**
* Fetch the body text from a message in the desired message format. This method handles
* conversions between formats (html to text and vice versa) if necessary.
* @param message Message to analyze for body part.
* @param format Desired format.
* @return Text in desired format.
* @throws MessagingException
*/
private String getBodyTextFromMessage(final Message message, final MessageFormat format) throws MessagingException {
Part part;
if (format == MessageFormat.HTML) {
// HTML takes precedence, then text.
part = MimeUtility.findFirstPartByMimeType(message, "text/html");
if (part != null) {
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "getBodyTextFromMessage: HTML requested, HTML found.");
return MimeUtility.getTextFromPart(part);
}
part = MimeUtility.findFirstPartByMimeType(message, "text/plain");
if (part != null) {
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "getBodyTextFromMessage: HTML requested, text found.");
return HtmlConverter.textToHtml(MimeUtility.getTextFromPart(part), true);
}
} else if (format == MessageFormat.TEXT) {
// Text takes precedence, then html.
part = MimeUtility.findFirstPartByMimeType(message, "text/plain");
if (part != null) {
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "getBodyTextFromMessage: Text requested, text found.");
return MimeUtility.getTextFromPart(part);
}
part = MimeUtility.findFirstPartByMimeType(message, "text/html");
if (part != null) {
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "getBodyTextFromMessage: Text requested, HTML found.");
return HtmlConverter.htmlToText(MimeUtility.getTextFromPart(part));
}
}
// If we had nothing interesting, return an empty string.
return "";
}
// Regular expressions to look for various HTML tags. This is no HTML::Parser, but hopefully it's good enough for
// our purposes.
private static final Pattern FIND_INSERTION_POINT_HTML = Pattern.compile("(?si:.*?(<html(?:>|\\s+[^>]*>)).*)");
private static final Pattern FIND_INSERTION_POINT_HEAD = Pattern.compile("(?si:.*?(<head(?:>|\\s+[^>]*>)).*)");
private static final Pattern FIND_INSERTION_POINT_BODY = Pattern.compile("(?si:.*?(<body(?:>|\\s+[^>]*>)).*)");
private static final Pattern FIND_INSERTION_POINT_HTML_END = Pattern.compile("(?si:.*(</html>).*?)");
private static final Pattern FIND_INSERTION_POINT_BODY_END = Pattern.compile("(?si:.*(</body>).*?)");
// The first group in a Matcher contains the first capture group. We capture the tag found in the above REs so that
// we can locate the *end* of that tag.
private static final int FIND_INSERTION_POINT_FIRST_GROUP = 1;
// HTML bits to insert as appropriate
// TODO is it safe to assume utf-8 here?
private static final String FIND_INSERTION_POINT_HTML_CONTENT = "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">\n<html>";
private static final String FIND_INSERTION_POINT_HTML_END_CONTENT = "</html>";
private static final String FIND_INSERTION_POINT_HEAD_CONTENT = "<head><meta content=\"text/html; charset=utf-8\" http-equiv=\"Content-Type\"></head>";
// Index of the start of the beginning of a String.
private static final int FIND_INSERTION_POINT_START_OF_STRING = 0;
/**
* <p>Find the start and end positions of the HTML in the string. This should be the very top
* and bottom of the displayable message. It returns a {@link InsertableHtmlContent}, which
* contains both the insertion points and potentially modified HTML. The modified HTML should be
* used in place of the HTML in the original message.</p>
*
* <p>This method loosely mimics the HTML forward/reply behavior of BlackBerry OS 4.5/BIS 2.5, which in turn mimics
* Outlook 2003 (as best I can tell).</p>
*
* @param content Content to examine for HTML insertion points
* @return Insertion points and HTML to use for insertion.
*/
private InsertableHtmlContent findInsertionPoints(final String content) {
InsertableHtmlContent insertable = new InsertableHtmlContent();
// If there is no content, don't bother doing any of the regex dancing.
if (content == null || content.equals("")) {
return insertable;
}
// Search for opening tags.
boolean hasHtmlTag = false;
boolean hasHeadTag = false;
boolean hasBodyTag = false;
// First see if we have an opening HTML tag. If we don't find one, we'll add one later.
Matcher htmlMatcher = FIND_INSERTION_POINT_HTML.matcher(content);
if (htmlMatcher.matches()) {
hasHtmlTag = true;
}
// Look for a HEAD tag. If we're missing a BODY tag, we'll use the close of the HEAD to start our content.
Matcher headMatcher = FIND_INSERTION_POINT_HEAD.matcher(content);
if (headMatcher.matches()) {
hasHeadTag = true;
}
// Look for a BODY tag. This is the ideal place for us to start our content.
Matcher bodyMatcher = FIND_INSERTION_POINT_BODY.matcher(content);
if (bodyMatcher.matches()) {
hasBodyTag = true;
}
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "Open: hasHtmlTag:" + hasHtmlTag + " hasHeadTag:" + hasHeadTag + " hasBodyTag:" + hasBodyTag);
// Given our inspections, let's figure out where to start our content.
// This is the ideal case -- there's a BODY tag and we insert ourselves just after it.
if (hasBodyTag) {
insertable.setQuotedContent(new StringBuilder(content));
insertable.setHeaderInsertionPoint(bodyMatcher.end(FIND_INSERTION_POINT_FIRST_GROUP));
} else if (hasHeadTag) {
// Now search for a HEAD tag. We can insert after there.
// If BlackBerry sees a HEAD tag, it inserts right after that, so long as there is no BODY tag. It doesn't
// try to add BODY, either. Right or wrong, it seems to work fine.
insertable.setQuotedContent(new StringBuilder(content));
insertable.setHeaderInsertionPoint(headMatcher.end(FIND_INSERTION_POINT_FIRST_GROUP));
} else if (hasHtmlTag) {
// Lastly, check for an HTML tag.
// In this case, it will add a HEAD, but no BODY.
StringBuilder newContent = new StringBuilder(content);
// Insert the HEAD content just after the HTML tag.
newContent.insert(htmlMatcher.end(FIND_INSERTION_POINT_FIRST_GROUP), FIND_INSERTION_POINT_HEAD_CONTENT);
insertable.setQuotedContent(newContent);
// The new insertion point is the end of the HTML tag, plus the length of the HEAD content.
insertable.setHeaderInsertionPoint(htmlMatcher.end(FIND_INSERTION_POINT_FIRST_GROUP) + FIND_INSERTION_POINT_HEAD_CONTENT.length());
} else {
// If we have none of the above, we probably have a fragment of HTML. Yahoo! and Gmail both do this.
// Again, we add a HEAD, but not BODY.
StringBuilder newContent = new StringBuilder(content);
// Add the HTML and HEAD tags.
newContent.insert(FIND_INSERTION_POINT_START_OF_STRING, FIND_INSERTION_POINT_HEAD_CONTENT);
newContent.insert(FIND_INSERTION_POINT_START_OF_STRING, FIND_INSERTION_POINT_HTML_CONTENT);
// Append the </HTML> tag.
newContent.append(FIND_INSERTION_POINT_HTML_END_CONTENT);
insertable.setQuotedContent(newContent);
insertable.setHeaderInsertionPoint(FIND_INSERTION_POINT_HTML_CONTENT.length() + FIND_INSERTION_POINT_HEAD_CONTENT.length());
}
// Search for closing tags. We have to do this after we deal with opening tags since it may
// have modified the message.
boolean hasHtmlEndTag = false;
boolean hasBodyEndTag = false;
// First see if we have an opening HTML tag. If we don't find one, we'll add one later.
Matcher htmlEndMatcher = FIND_INSERTION_POINT_HTML_END.matcher(insertable.getQuotedContent());
if (htmlEndMatcher.matches()) {
hasHtmlEndTag = true;
}
// Look for a BODY tag. This is the ideal place for us to place our footer.
Matcher bodyEndMatcher = FIND_INSERTION_POINT_BODY_END.matcher(insertable.getQuotedContent());
if (bodyEndMatcher.matches()) {
hasBodyEndTag = true;
}
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "Close: hasHtmlEndTag:" + hasHtmlEndTag + " hasBodyEndTag:" + hasBodyEndTag);
// Now figure out where to put our footer.
// This is the ideal case -- there's a BODY tag and we insert ourselves just before it.
if (hasBodyEndTag) {
insertable.setFooterInsertionPoint(bodyEndMatcher.start(FIND_INSERTION_POINT_FIRST_GROUP));
} else if (hasHtmlEndTag) {
// Check for an HTML tag. Add ourselves just before it.
insertable.setFooterInsertionPoint(htmlEndMatcher.start(FIND_INSERTION_POINT_FIRST_GROUP));
} else {
// If we have none of the above, we probably have a fragment of HTML.
// Set our footer insertion point as the end of the string.
insertable.setFooterInsertionPoint(insertable.getQuotedContent().length());
}
return insertable;
}
class Listener extends MessagingListener {
@Override
public void loadMessageForViewStarted(Account account, String folder, String uid) {
if ((mMessageReference == null) || !mMessageReference.uid.equals(uid)) {
return;
}
mHandler.sendEmptyMessage(MSG_PROGRESS_ON);
}
@Override
public void loadMessageForViewFinished(Account account, String folder, String uid, Message message) {
if ((mMessageReference == null) || !mMessageReference.uid.equals(uid)) {
return;
}
mHandler.sendEmptyMessage(MSG_PROGRESS_OFF);
}
@Override
public void loadMessageForViewBodyAvailable(Account account, String folder, String uid, final Message message) {
if ((mMessageReference == null) || !mMessageReference.uid.equals(uid)) {
return;
}
mSourceMessage = message;
runOnUiThread(new Runnable() {
@Override
public void run() {
// We check to see if we've previously processed the source message since this
// could be called when switching from HTML to text replies. If that happens, we
// only want to update the UI with quoted text (which picks the appropriate
// part).
if (mSourceProcessed) {
try {
populateUIWithQuotedMessage(true);
} catch (MessagingException e) {
// Hm, if we couldn't populate the UI after source reprocessing, let's just delete it?
showOrHideQuotedText(QuotedTextMode.HIDE);
Log.e(K9.LOG_TAG, "Could not re-process source message; deleting quoted text to be safe.", e);
}
} else {
processSourceMessage(message);
mSourceProcessed = true;
}
}
});
}
@Override
public void loadMessageForViewFailed(Account account, String folder, String uid, Throwable t) {
if ((mMessageReference == null) || !mMessageReference.uid.equals(uid)) {
return;
}
mHandler.sendEmptyMessage(MSG_PROGRESS_OFF);
// TODO show network error
}
@Override
public void messageUidChanged(Account account, String folder, String oldUid, String newUid) {
// Track UID changes of the source message
if (mMessageReference != null) {
final Account sourceAccount = Preferences.getPreferences(MessageCompose.this).getAccount(mMessageReference.accountUuid);
final String sourceFolder = mMessageReference.folderName;
final String sourceMessageUid = mMessageReference.uid;
if (account.equals(sourceAccount) && (folder.equals(sourceFolder))) {
if (oldUid.equals(sourceMessageUid)) {
mMessageReference.uid = newUid;
}
if ((mSourceMessage != null) && (oldUid.equals(mSourceMessage.getUid()))) {
mSourceMessage.setUid(newUid);
}
}
}
}
}
/**
* 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.
*
* @param mailtoUri
* The mailto: URI we use to initialize the message fields.
*/
private void initializeFromMailto(Uri mailtoUri) {
String schemaSpecific = mailtoUri.getSchemeSpecificPart();
int end = schemaSpecific.indexOf('?');
if (end == -1) {
end = schemaSpecific.length();
}
// Extract the recipient's email address from the mailto URI if there's one.
String recipient = Uri.decode(schemaSpecific.substring(0, end));
/*
* mailto URIs are not hierarchical. So calling getQueryParameters()
* will throw an UnsupportedOperationException. We avoid this by
* creating a new hierarchical dummy Uri object with the query
* parameters of the original URI.
*/
Uri uri = Uri.parse("foo://bar?" + mailtoUri.getEncodedQuery());
// Read additional recipients from the "to" parameter.
List<String> to = uri.getQueryParameters("to");
if (recipient.length() != 0) {
to = new ArrayList<String>(to);
to.add(0, recipient);
}
addRecipients(mToView, to);
// Read carbon copy recipients from the "cc" parameter.
boolean ccOrBcc = addRecipients(mCcView, uri.getQueryParameters("cc"));
// Read blind carbon copy recipients from the "bcc" parameter.
ccOrBcc |= addRecipients(mBccView, uri.getQueryParameters("bcc"));
if (ccOrBcc) {
// Display CC and BCC text fields if CC or BCC recipients were set by the intent.
onAddCcBcc();
}
// Read subject from the "subject" parameter.
List<String> subject = uri.getQueryParameters("subject");
if (!subject.isEmpty()) {
mSubjectView.setText(subject.get(0));
}
// Read message body from the "body" parameter.
List<String> body = uri.getQueryParameters("body");
if (!body.isEmpty()) {
mMessageContentView.setText(body.get(0));
}
}
private class SendMessageTask extends AsyncTask<Void, Void, Void> {
@Override
protected Void doInBackground(Void... params) {
/*
* Create the message from all the data the user has entered.
*/
MimeMessage message;
try {
message = createMessage(false); // isDraft = true
} catch (MessagingException me) {
Log.e(K9.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);
}
try {
mContacts.markAsContacted(message.getRecipients(RecipientType.TO));
mContacts.markAsContacted(message.getRecipients(RecipientType.CC));
mContacts.markAsContacted(message.getRecipients(RecipientType.BCC));
} catch (Exception e) {
Log.e(K9.LOG_TAG, "Failed to mark contact as contacted.", e);
}
MessagingController.getInstance(getApplication()).sendMessage(mAccount, message, null);
long draftId = mDraftId;
if (draftId != INVALID_DRAFT_ID) {
mDraftId = INVALID_DRAFT_ID;
MessagingController.getInstance(getApplication()).deleteDraft(mAccount, draftId);
}
return null;
}
}
private class SaveMessageTask extends AsyncTask<Void, Void, Void> {
@Override
protected Void doInBackground(Void... params) {
/*
* Create the message from all the data the user has entered.
*/
MimeMessage message;
try {
message = createMessage(true); // isDraft = true
} catch (MessagingException me) {
Log.e(K9.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);
}
/*
* Save a draft
*/
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.
*/
if (mMessageReference != null) {
message.setUid(mMessageReference.uid);
}
}
final MessagingController messagingController = MessagingController.getInstance(getApplication());
Message draftMessage = messagingController.saveDraft(mAccount, message, mDraftId);
mDraftId = messagingController.getId(draftMessage);
mHandler.sendEmptyMessage(MSG_SAVED_DRAFT);
return null;
}
}
private static final int REPLY_WRAP_LINE_WIDTH = 72;
private static final int QUOTE_BUFFER_LENGTH = 512; // amount of extra buffer to allocate to accommodate quoting headers or prefixes
/**
* Add quoting markup to a text message.
* @param originalMessage Metadata for message being quoted.
* @param messageBody Text of the message to be quoted.
* @param quoteStyle Style of quoting.
* @return Quoted text.
* @throws MessagingException
*/
private String quoteOriginalTextMessage(final Message originalMessage, final String messageBody, final QuoteStyle quoteStyle) throws MessagingException {
String body = messageBody == null ? "" : messageBody;
if (quoteStyle == QuoteStyle.PREFIX) {
StringBuilder quotedText = new StringBuilder(body.length() + QUOTE_BUFFER_LENGTH);
quotedText.append(String.format(
getString(R.string.message_compose_reply_header_fmt),
Address.toString(originalMessage.getFrom()))
);
final String prefix = mAccount.getQuotePrefix();
final String wrappedText = Utility.wrap(body, REPLY_WRAP_LINE_WIDTH - prefix.length());
// "$" and "\" in the quote prefix have to be escaped for
// the replaceAll() invocation.
final String escapedPrefix = prefix.replaceAll("(\\\\|\\$)", "\\\\$1");
quotedText.append(wrappedText.replaceAll("(?m)^", escapedPrefix));
return quotedText.toString().replaceAll("\\\r", "");
} else if (quoteStyle == QuoteStyle.HEADER) {
StringBuilder quotedText = new StringBuilder(body.length() + QUOTE_BUFFER_LENGTH);
quotedText.append("\n");
quotedText.append(getString(R.string.message_compose_quote_header_separator)).append("\n");
if (originalMessage.getFrom() != null && Address.toString(originalMessage.getFrom()).length() != 0) {
quotedText.append(getString(R.string.message_compose_quote_header_from)).append(" ").append(Address.toString(originalMessage.getFrom())).append("\n");
}
if (originalMessage.getSentDate() != null) {
quotedText.append(getString(R.string.message_compose_quote_header_send_date)).append(" ").append(originalMessage.getSentDate()).append("\n");
}
if (originalMessage.getRecipients(RecipientType.TO) != null && originalMessage.getRecipients(RecipientType.TO).length != 0) {
quotedText.append(getString(R.string.message_compose_quote_header_to)).append(" ").append(Address.toString(originalMessage.getRecipients(RecipientType.TO))).append("\n");
}
if (originalMessage.getRecipients(RecipientType.CC) != null && originalMessage.getRecipients(RecipientType.CC).length != 0) {
quotedText.append(getString(R.string.message_compose_quote_header_cc)).append(" ").append(Address.toString(originalMessage.getRecipients(RecipientType.CC))).append("\n");
}
if (originalMessage.getSubject() != null) {
quotedText.append(getString(R.string.message_compose_quote_header_subject)).append(" ").append(originalMessage.getSubject()).append("\n");
}
quotedText.append("\n");
quotedText.append(body);
return quotedText.toString();
} else {
// Shouldn't ever happen.
return body;
}
}
/**
* Add quoting markup to a HTML message.
* @param originalMessage Metadata for message being quoted.
* @param messageBody Text of the message to be quoted.
* @param quoteStyle Style of quoting.
* @return Modified insertable message.
* @throws MessagingException
*/
private InsertableHtmlContent quoteOriginalHtmlMessage(final Message originalMessage, final String messageBody, final QuoteStyle quoteStyle) throws MessagingException {
InsertableHtmlContent insertable = findInsertionPoints(messageBody);
if (quoteStyle == QuoteStyle.PREFIX) {
StringBuilder header = new StringBuilder(QUOTE_BUFFER_LENGTH);
header.append("<div class=\"gmail_quote\">");
// Remove all trailing newlines so that the quote starts immediately after the header. "Be like Gmail!"
header.append(HtmlConverter.textToHtmlFragment(String.format(
getString(R.string.message_compose_reply_header_fmt).replaceAll("\n$", ""),
Address.toString(originalMessage.getFrom()))
));
header.append("<blockquote class=\"gmail_quote\" " +
"style=\"margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;\">\n");
String footer = "</blockquote></div>";
insertable.insertIntoQuotedHeader(header.toString());
insertable.insertIntoQuotedFooter(footer);
} else if (quoteStyle == QuoteStyle.HEADER) {
StringBuilder header = new StringBuilder();
header.append("<div style='font-size:10.0pt;font-family:\"Tahoma\",\"sans-serif\";padding:3.0pt 0in 0in 0in'>\n");
header.append("<hr style='border:none;border-top:solid #B5C4DF 1.0pt'>\n"); // This gets converted into a horizontal line during html to text conversion.
if (mSourceMessage.getFrom() != null && Address.toString(mSourceMessage.getFrom()).length() != 0) {
header.append("<b>").append(getString(R.string.message_compose_quote_header_from)).append("</b> ").append(HtmlConverter.textToHtmlFragment(Address.toString(mSourceMessage.getFrom()))).append("<br>\n");
}
if (mSourceMessage.getSentDate() != null) {
header.append("<b>").append(getString(R.string.message_compose_quote_header_send_date)).append("</b> ").append(mSourceMessage.getSentDate()).append("<br>\n");
}
if (mSourceMessage.getRecipients(RecipientType.TO) != null && mSourceMessage.getRecipients(RecipientType.TO).length != 0) {
header.append("<b>").append(getString(R.string.message_compose_quote_header_to)).append("</b> ").append(HtmlConverter.textToHtmlFragment(Address.toString(mSourceMessage.getRecipients(RecipientType.TO)))).append("<br>\n");
}
if (mSourceMessage.getRecipients(RecipientType.CC) != null && mSourceMessage.getRecipients(RecipientType.CC).length != 0) {
header.append("<b>").append(getString(R.string.message_compose_quote_header_cc)).append("</b> ").append(HtmlConverter.textToHtmlFragment(Address.toString(mSourceMessage.getRecipients(RecipientType.CC)))).append("<br>\n");
}
if (mSourceMessage.getSubject() != null) {
header.append("<b>").append(getString(R.string.message_compose_quote_header_subject)).append("</b> ").append(HtmlConverter.textToHtmlFragment(mSourceMessage.getSubject())).append("<br>\n");
}
header.append("</div>\n");
header.append("<br>\n");
insertable.insertIntoQuotedHeader(header.toString());
}
return insertable;
}
/**
* Used to store an {@link Identity} instance together with the {@link Account} it belongs to.
*
* @see IdentityAdapter
*/
static class IdentityContainer {
public final Identity identity;
public final Account account;
IdentityContainer(Identity identity, Account account) {
this.identity = identity;
this.account = account;
}
}
/**
* Adapter for the <em>Choose identity</em> list view.
*
* <p>
* Account names are displayed as section headers, identities as selectable list items.
* </p>
*/
static class IdentityAdapter extends BaseAdapter {
private LayoutInflater mLayoutInflater;
private List<Object> mItems;
private FontSizes mFontSizes;
public IdentityAdapter(Context context, LayoutInflater layoutInflater) {
mLayoutInflater = layoutInflater;
mFontSizes = K9.getFontSizes();
List<Object> items = new ArrayList<Object>();
Preferences prefs = Preferences.getPreferences(context.getApplicationContext());
Account[] accounts = prefs.getAvailableAccounts().toArray(EMPTY_ACCOUNT_ARRAY);
for (Account account : accounts) {
items.add(account);
List<Identity> identities = account.getIdentities();
for (Identity identity : identities) {
items.add(new IdentityContainer(identity, account));
}
}
mItems = items;
}
@Override
public int getCount() {
return mItems.size();
}
@Override
public int getViewTypeCount() {
return 2;
}
@Override
public int getItemViewType(int position) {
return (mItems.get(position) instanceof Account) ? 0 : 1;
}
@Override
public boolean isEnabled(int position) {
return (mItems.get(position) instanceof IdentityContainer);
}
@Override
public Object getItem(int position) {
return mItems.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public boolean hasStableIds() {
return false;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
Object item = mItems.get(position);
View view = null;
if (item instanceof Account) {
if (convertView != null && convertView.getTag() instanceof AccountHolder) {
view = convertView;
} else {
view = mLayoutInflater.inflate(R.layout.choose_account_item, parent, false);
AccountHolder holder = new AccountHolder();
holder.name = (TextView) view.findViewById(R.id.name);
holder.chip = view.findViewById(R.id.chip);
view.setTag(holder);
}
Account account = (Account) item;
AccountHolder holder = (AccountHolder) view.getTag();
holder.name.setText(account.getDescription());
holder.chip.setBackgroundColor(account.getChipColor());
} else if (item instanceof IdentityContainer) {
if (convertView != null && convertView.getTag() instanceof IdentityHolder) {
view = convertView;
} else {
view = mLayoutInflater.inflate(R.layout.choose_identity_item, parent, false);
IdentityHolder holder = new IdentityHolder();
holder.name = (TextView) view.findViewById(R.id.name);
holder.description = (TextView) view.findViewById(R.id.description);
view.setTag(holder);
}
IdentityContainer identityContainer = (IdentityContainer) item;
Identity identity = identityContainer.identity;
IdentityHolder holder = (IdentityHolder) view.getTag();
holder.name.setText(identity.getDescription());
holder.description.setText(getIdentityDescription(identity));
}
return view;
}
static class AccountHolder {
public TextView name;
public View chip;
}
static class IdentityHolder {
public TextView name;
public TextView description;
}
}
private static String getIdentityDescription(Identity identity) {
return String.format("%s <%s>", identity.getName(), identity.getEmail());
}
}