replicant-packages_apps_Email/src/com/android/email/activity/MessageCompose.java

1292 lines
50 KiB
Java

/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.email.activity;
import com.android.email.Controller;
import com.android.email.Email;
import com.android.email.EmailAddressAdapter;
import com.android.email.EmailAddressValidator;
import com.android.email.R;
import com.android.email.Utility;
import com.android.email.mail.Address;
import com.android.email.mail.MessagingException;
import com.android.email.mail.internet.EmailHtmlUtil;
import com.android.email.mail.internet.MimeUtility;
import com.android.email.provider.EmailContent;
import com.android.email.provider.EmailContent.Account;
import com.android.email.provider.EmailContent.Attachment;
import com.android.email.provider.EmailContent.Body;
import com.android.email.provider.EmailContent.BodyColumns;
import com.android.email.provider.EmailContent.Message;
import com.android.email.provider.EmailContent.MessageColumns;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
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.InputFilter;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.TextWatcher;
import android.text.util.Rfc822Tokenizer;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.view.View.OnFocusChangeListener;
import android.webkit.WebView;
import android.widget.Button;
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 java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MessageCompose extends Activity implements OnClickListener, OnFocusChangeListener {
private static final String ACTION_REPLY = "com.android.email.intent.action.REPLY";
private static final String ACTION_REPLY_ALL = "com.android.email.intent.action.REPLY_ALL";
private static final String ACTION_FORWARD = "com.android.email.intent.action.FORWARD";
private static final String ACTION_EDIT_DRAFT = "com.android.email.intent.action.EDIT_DRAFT";
private static final String EXTRA_ACCOUNT_ID = "account_id";
private static final String EXTRA_MESSAGE_ID = "message_id";
private static final String STATE_KEY_CC_SHOWN =
"com.android.email.activity.MessageCompose.ccShown";
private static final String STATE_KEY_BCC_SHOWN =
"com.android.email.activity.MessageCompose.bccShown";
private static final String STATE_KEY_QUOTED_TEXT_SHOWN =
"com.android.email.activity.MessageCompose.quotedTextShown";
private static final String STATE_KEY_SOURCE_MESSAGE_PROCED =
"com.android.email.activity.MessageCompose.stateKeySourceMessageProced";
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_DISCARDED_DRAFT = 6;
private static final int ACTIVITY_REQUEST_PICK_ATTACHMENT = 1;
private static final Pattern PATTERN_START_OF_LINE = Pattern.compile("(?m)^");
private static final Pattern PATTERN_ENDLINE_CRLF = Pattern.compile("\r\n");
private static final String[] ATTACHMENT_META_COLUMNS = {
OpenableColumns.DISPLAY_NAME,
OpenableColumns.SIZE
};
private Account mAccount;
// mDraft is null until the first save, afterwards it contains the last saved version.
private Message mDraft;
// mSource is only set for REPLY, REPLY_ALL and FORWARD, and contains the source message.
private Message mSource;
/**
* 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 MultiAutoCompleteTextView mToView;
private MultiAutoCompleteTextView mCcView;
private MultiAutoCompleteTextView mBccView;
private EditText mSubjectView;
private EditText mMessageContentView;
private Button mSendButton;
private Button mDiscardButton;
private Button mSaveButton;
private LinearLayout mAttachments;
private View mQuotedTextBar;
private ImageButton mQuotedTextDelete;
private WebView mQuotedText;
private Controller mController;
private Listener mListener = new Listener();
private boolean mDraftNeedsSaving;
private AsyncTask mLoadAttachmentsTask;
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;
default:
super.handleMessage(msg);
break;
}
}
};
/**
* Compose a new message using the given account. If account is -1 the default account
* will be used.
* @param context
* @param account
*/
public static void actionCompose(Context context, long accountId) {
try {
Intent i = new Intent(context, MessageCompose.class);
i.putExtra(EXTRA_ACCOUNT_ID, accountId);
context.startActivity(i);
} catch (ActivityNotFoundException anfe) {
// Swallow it - this is usually a race condition, especially under automated test.
// (The message composer might have been disabled)
Email.log(anfe.toString());
}
}
/**
* 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 messageId
* @param replyAll
*/
public static void actionReply(Context context, long messageId, boolean replyAll) {
startActivityWithMessage(context, replyAll ? ACTION_REPLY_ALL : ACTION_REPLY, messageId);
}
/**
* Compose a new message as a forward of the given message.
* @param context
* @param messageId
*/
public static void actionForward(Context context, long messageId) {
startActivityWithMessage(context, ACTION_FORWARD, messageId);
}
/**
* 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 messageId the message id.
*/
public static void actionEditDraft(Context context, long messageId) {
startActivityWithMessage(context, ACTION_EDIT_DRAFT, messageId);
}
private static void startActivityWithMessage(Context context, String action, long messageId) {
Intent i = new Intent(context, MessageCompose.class);
i.putExtra(EXTRA_MESSAGE_ID, messageId);
i.setAction(action);
context.startActivity(i);
}
private void setAccount(Intent intent) {
long accountId = intent.getLongExtra(EXTRA_ACCOUNT_ID, -1);
if (accountId == -1) {
accountId = Account.getDefaultAccountId(this);
}
if (accountId == -1) {
// There are no accounts set up. This should not have happened. Prompt the
// user to set up an account as an acceptable bailout.
AccountFolderList.actionShowAccounts(this);
finish();
} else {
mAccount = Account.restoreAccountWithId(this, accountId);
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
setContentView(R.layout.message_compose);
mController = Controller.getInstance(getApplication());
initViews();
if (savedInstanceState != null) {
/*
* This data gets used in onCreate, so grab it here instead of onRestoreIntstanceState
*/
mSourceMessageProcessed =
savedInstanceState.getBoolean(STATE_KEY_SOURCE_MESSAGE_PROCED, false);
}
Intent intent = getIntent();
final String action = intent.getAction();
// Handle the various intents that launch the message composer
if (Intent.ACTION_VIEW.equals(action)
|| Intent.ACTION_SENDTO.equals(action)
|| Intent.ACTION_SEND.equals(action)
|| Intent.ACTION_SEND_MULTIPLE.equals(action)) {
setAccount(intent);
// Use the fields found in the Intent to prefill as much of the message as possible
initFromIntent(intent);
} else {
// Otherwise, handle the internal cases (Message Composer invoked from within app)
long messageId = intent.getLongExtra(EXTRA_MESSAGE_ID, -1);
if (messageId != -1) {
new LoadMessageTask().execute(messageId);
} else {
setAccount(intent);
}
if (ACTION_EDIT_DRAFT.equals(action) && messageId != -1) {
mLoadAttachmentsTask = new AsyncTask<Long, Void, Attachment[]>() {
@Override
protected Attachment[] doInBackground(Long... messageIds) {
return Attachment.restoreAttachmentsWithMessageId(MessageCompose.this,
messageIds[0]);
}
@Override
protected void onPostExecute(Attachment[] attachments) {
for (Attachment attachment : attachments) {
addAttachment(attachment);
}
}
}.execute(messageId);
}
}
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.
*/
// TODO: signal the controller to load the message
}
updateTitle();
}
@Override
public void onResume() {
super.onResume();
mController.addResultCallback(mListener);
}
@Override
public void onPause() {
super.onPause();
saveIfNeeded();
mController.removeResultCallback(mListener);
}
/**
* We override onDestroy to make sure that the WebView gets explicitly destroyed.
* Otherwise it can leak native references.
*/
@Override
public void onDestroy() {
super.onDestroy();
mQuotedText.destroy();
mQuotedText = null;
if (mLoadAttachmentsTask != null
&& mLoadAttachmentsTask.getStatus() != AsyncTask.Status.FINISHED) {
mLoadAttachmentsTask.cancel(true);
mLoadAttachmentsTask = null;
}
}
/**
* The framework handles most of the fields, but we need to handle stuff that we
* dynamically show and hide:
* Cc field,
* Bcc field,
* Quoted text,
*/
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
saveIfNeeded();
outState.putBoolean(STATE_KEY_CC_SHOWN, mCcView.getVisibility() == View.VISIBLE);
outState.putBoolean(STATE_KEY_BCC_SHOWN, mBccView.getVisibility() == View.VISIBLE);
outState.putBoolean(STATE_KEY_QUOTED_TEXT_SHOWN,
mQuotedTextBar.getVisibility() == View.VISIBLE);
outState.putBoolean(STATE_KEY_SOURCE_MESSAGE_PROCED, mSourceMessageProcessed);
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
mCcView.setVisibility(savedInstanceState.getBoolean(STATE_KEY_CC_SHOWN) ?
View.VISIBLE : View.GONE);
mBccView.setVisibility(savedInstanceState.getBoolean(STATE_KEY_BCC_SHOWN) ?
View.VISIBLE : View.GONE);
mQuotedTextBar.setVisibility(savedInstanceState.getBoolean(STATE_KEY_QUOTED_TEXT_SHOWN) ?
View.VISIBLE : View.GONE);
mQuotedText.setVisibility(savedInstanceState.getBoolean(STATE_KEY_QUOTED_TEXT_SHOWN) ?
View.VISIBLE : View.GONE);
mDraftNeedsSaving = false;
}
private void initViews() {
mToView = (MultiAutoCompleteTextView)findViewById(R.id.to);
mCcView = (MultiAutoCompleteTextView)findViewById(R.id.cc);
mBccView = (MultiAutoCompleteTextView)findViewById(R.id.bcc);
mSubjectView = (EditText)findViewById(R.id.subject);
mMessageContentView = (EditText)findViewById(R.id.message_content);
mSendButton = (Button)findViewById(R.id.send);
mDiscardButton = (Button)findViewById(R.id.discard);
mSaveButton = (Button)findViewById(R.id.save);
mAttachments = (LinearLayout)findViewById(R.id.attachments);
mQuotedTextBar = findViewById(R.id.quoted_text_bar);
mQuotedTextDelete = (ImageButton)findViewById(R.id.quoted_text_delete);
mQuotedText = (WebView)findViewById(R.id.quoted_text);
TextWatcher watcher = new TextWatcher() {
public void beforeTextChanged(CharSequence s, int start,
int before, int after) { }
public void onTextChanged(CharSequence s, int start,
int before, int count) {
mDraftNeedsSaving = true;
}
public void afterTextChanged(android.text.Editable s) { }
};
/**
* Implements special address cleanup rules:
* The first space key entry following an "@" symbol that is followed by any combination
* of letters and symbols, including one+ dots and zero commas, should insert an extra
* comma (followed by the space).
*/
InputFilter recipientFilter = new InputFilter() {
public CharSequence filter(CharSequence source, int start, int end, Spanned dest,
int dstart, int dend) {
// quick check - did they enter a single space?
if (end-start != 1 || source.charAt(start) != ' ') {
return null;
}
// determine if the characters before the new space fit the pattern
// follow backwards and see if we find a comma, dot, or @
int scanBack = dstart;
boolean dotFound = false;
while (scanBack > 0) {
char c = dest.charAt(--scanBack);
switch (c) {
case '.':
dotFound = true; // one or more dots are req'd
break;
case ',':
return null;
case '@':
if (!dotFound) {
return null;
}
// we have found a comma-insert case. now just do it
// in the least expensive way we can.
if (source instanceof Spanned) {
SpannableStringBuilder sb = new SpannableStringBuilder(",");
sb.append(source);
return sb;
} else {
return ", ";
}
default:
// just keep going
}
}
// no termination cases were found, so don't edit the input
return null;
}
};
InputFilter[] recipientFilters = new InputFilter[] { recipientFilter };
mToView.addTextChangedListener(watcher);
mCcView.addTextChangedListener(watcher);
mBccView.addTextChangedListener(watcher);
mSubjectView.addTextChangedListener(watcher);
mMessageContentView.addTextChangedListener(watcher);
// NOTE: assumes no other filters are set
mToView.setFilters(recipientFilters);
mCcView.setFilters(recipientFilters);
mBccView.setFilters(recipientFilters);
/*
* We set this to invisible by default. Other methods will turn it back on if it's
* needed.
*/
mQuotedTextBar.setVisibility(View.GONE);
mQuotedText.setVisibility(View.GONE);
mQuotedTextDelete.setOnClickListener(this);
EmailAddressAdapter addressAdapter = new EmailAddressAdapter(this);
EmailAddressValidator addressValidator = new EmailAddressValidator();
// temporarilly disable setAdapter, see BUG 2077496
// mToView.setAdapter(addressAdapter);
mToView.setTokenizer(new Rfc822Tokenizer());
mToView.setValidator(addressValidator);
// mCcView.setAdapter(addressAdapter);
mCcView.setTokenizer(new Rfc822Tokenizer());
mCcView.setValidator(addressValidator);
// mBccView.setAdapter(addressAdapter);
mBccView.setTokenizer(new Rfc822Tokenizer());
mBccView.setValidator(addressValidator);
mSendButton.setOnClickListener(this);
mDiscardButton.setOnClickListener(this);
mSaveButton.setOnClickListener(this);
mSubjectView.setOnFocusChangeListener(this);
}
// TODO: is there any way to unify this with MessageView.LoadMessageTask?
private class LoadMessageTask extends AsyncTask<Long, Void, Object[]> {
@Override
protected Object[] doInBackground(Long... messageIds) {
Message message = Message.restoreMessageWithId(MessageCompose.this, messageIds[0]);
long accountId = message.mAccountKey;
Account account = Account.restoreAccountWithId(MessageCompose.this, accountId);
Body body = Body.restoreBodyWithMessageId(MessageCompose.this, message.mId);
message.mHtml = body.mHtmlContent;
message.mText = body.mTextContent;
return new Object[]{message, account};
}
@Override
protected void onPostExecute(Object[] messageAndAccount) {
final Message message = (Message) messageAndAccount[0];
final Account account = (Account) messageAndAccount[1];
final String action = getIntent().getAction();
if (ACTION_EDIT_DRAFT.equals(action)) {
mDraft = message;
} else if (ACTION_REPLY.equals(action)
|| ACTION_REPLY_ALL.equals(action)
|| ACTION_FORWARD.equals(action)) {
mSource = message;
} else if (Email.LOGD) {
Email.log("Action " + action + " has unexpected EXTRA_MESSAGE_ID");
}
mAccount = account;
processSourceMessage(message, mAccount);
}
}
private void updateTitle() {
if (mSubjectView.getText().length() == 0) {
setTitle(R.string.compose_title);
} else {
setTitle(mSubjectView.getText().toString());
}
}
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.toString());
}
}
private void addAddresses(MultiAutoCompleteTextView view, String[] addresses) {
if (addresses == null) {
return;
}
for (String oneAddress : addresses) {
addAddress(view, oneAddress);
}
}
private void addAddress(MultiAutoCompleteTextView view, String address) {
view.append(address + ", ");
}
private String getPackedAddresses(TextView view) {
Address[] addresses = Address.parse(view.getText().toString().trim());
return Address.pack(addresses);
}
private Address[] getAddresses(TextView view) {
Address[] addresses = Address.parse(view.getText().toString().trim());
return addresses;
}
/*
* Takes care to append source info and text in a REPLY or FORWARD situation.
*/
/* package */ String buildBodyText(Message sourceMessage) {
/*
* Build the Body that will contain the text of the message. We'll decide where to
* include it later.
*/
final String action = getIntent().getAction();
String text = mMessageContentView.getText().toString();
if (mQuotedTextBar.getVisibility() == View.VISIBLE && sourceMessage != null) {
String quotedText = sourceMessage.mText;
if (quotedText != null) {
// fix CR-LF line endings to LF-only needed by EditText.
Matcher matcher = PATTERN_ENDLINE_CRLF.matcher(quotedText);
quotedText = matcher.replaceAll("\n");
}
String fromAsString = Address.unpackToString(sourceMessage.mFrom);
if (ACTION_REPLY.equals(action) || ACTION_REPLY_ALL.equals(action)) {
text += getString(R.string.message_compose_reply_header_fmt, fromAsString);
if (quotedText != null) {
Matcher matcher = PATTERN_START_OF_LINE.matcher(quotedText);
text += matcher.replaceAll(">");
}
} else if (ACTION_FORWARD.equals(action)) {
String subject = sourceMessage.mSubject;
String to = Address.unpackToString(sourceMessage.mTo);
String cc = Address.unpackToString(sourceMessage.mCc);
text += getString(R.string.message_compose_fwd_header_fmt, subject, fromAsString,
to != null ? to : "", cc != null ? cc : "");
if (quotedText != null) {
text += quotedText;
}
}
}
return text;
}
private ContentValues getUpdateContentValues(Message message) {
ContentValues values = new ContentValues();
values.put(MessageColumns.TIMESTAMP, message.mTimeStamp);
values.put(MessageColumns.FROM_LIST, message.mFrom);
values.put(MessageColumns.TO_LIST, message.mTo);
values.put(MessageColumns.CC_LIST, message.mCc);
values.put(MessageColumns.BCC_LIST, message.mBcc);
values.put(MessageColumns.SUBJECT, message.mSubject);
values.put(MessageColumns.DISPLAY_NAME, message.mDisplayName);
values.put(MessageColumns.FLAG_LOADED, message.mFlagLoaded);
// TODO: write body and update TEXT_INFO
return values;
}
/*
* Computes a short string indicating the destination of the message based on To, Cc, Bcc.
* If only one address appears, returns the friendly form of that address.
* Otherwise returns the friendly form of the first address appended with "and N others".
*/
private String makeDisplayName(String packedTo, String packedCc, String packedBcc) {
Address first = null;
int nRecipients = 0;
for (String packed: new String[] {packedTo, packedCc, packedBcc}) {
Address[] addresses = Address.unpack(packed);
nRecipients += addresses.length;
if (first == null && addresses.length > 0) {
first = addresses[0];
}
}
if (nRecipients == 0) {
return "";
}
String friendly = first.toFriendly();
if (nRecipients == 1) {
return friendly;
}
return this.getString(R.string.message_compose_display_name, friendly, nRecipients - 1);
}
/**
* @param message The message to be updated.
* @param account the account (used to obtain From: address).
* @param bodyText the body text.
*/
private void updateMessage(Message message, Account account, String bodyText) {
message.mTimeStamp = System.currentTimeMillis();
message.mFrom = new Address(account.getEmailAddress(), account.getSenderName()).pack();
message.mTo = getPackedAddresses(mToView);
message.mCc = getPackedAddresses(mCcView);
message.mBcc = getPackedAddresses(mBccView);
message.mSubject = mSubjectView.getText().toString();
message.mText = bodyText;
message.mAccountKey = account.mId;
message.mDisplayName = makeDisplayName(message.mTo, message.mCc, message.mBcc);
message.mFlagLoaded = Message.LOADED;
}
private Attachment[] getAttachmentsFromUI() {
int count = mAttachments.getChildCount();
Attachment[] attachments = new Attachment[count];
for (int i = 0; i < count; ++i) {
attachments[i] = (Attachment) mAttachments.getChildAt(i).getTag();
}
return attachments;
}
/**
* Send or save a message:
* - out of the UI thread
* - write to Drafts
* - if send, invoke Controller.sendMessage()
* - when operation is complete, display toast
*/
private void sendOrSaveMessage(final boolean send) {
if (mDraft == null) {
mDraft = new Message();
}
updateMessage(mDraft, mAccount, buildBodyText(mSource));
new AsyncTask<Void, Void, Void>() {
@Override
protected Void doInBackground(Void... params) {
final String action = getIntent().getAction();
if (mDraft.isSaved()) {
mDraft.update(MessageCompose.this, getUpdateContentValues(mDraft));
ContentValues values = new ContentValues();
values.put(BodyColumns.TEXT_CONTENT, mDraft.mText);
Body.updateBodyWithMessageId(MessageCompose.this, mDraft.mId, values);
} else {
// mDraft.mId is set upon return of saveToMailbox()
mController.saveToMailbox(mDraft, EmailContent.Mailbox.TYPE_DRAFTS);
}
// TODO: remove from DB the attachments that were removed from UI
for (Attachment attachment : getAttachmentsFromUI()) {
if (!attachment.isSaved()) {
// this attachment is new so save it to DB.
attachment.mMessageKey = mDraft.mId;
attachment.save(MessageCompose.this);
}
}
if (send) {
mController.sendMessage(mDraft.mId, mDraft.mAccountKey);
// After a send it's no longer a draft; null it here just to be sure,
// although MessageCompose should just finish() anyway.
mDraft = null;
}
return null;
}
@Override
protected void onPostExecute(Void dummy) {
// TODO: fix toast display for "saved as draft" if needed
// if (!send) {
// // Don't display the toast if the user is just changing the orientation
// if ((getChangingConfigurations() & ActivityInfo.CONFIG_ORIENTATION) == 0) {
// Toast.makeText(MessageCompose.this, getString(R.string.message_saved_toast),
// Toast.LENGTH_LONG).show();
// }
// }
}
}.execute();
}
private void saveIfNeeded() {
if (!mDraftNeedsSaving) {
return;
}
mDraftNeedsSaving = false;
sendOrSaveMessage(false);
}
/**
* Checks whether all the email addresses listed in TO, CC, BCC are valid.
*/
/* package */ boolean isAddressAllValid() {
for (TextView view : new TextView[]{mToView, mCcView, mBccView}) {
String addresses = view.getText().toString().trim();
if (!Address.isAllValid(addresses)) {
view.setError(getString(R.string.message_compose_error_invalid_email));
return false;
}
}
return true;
}
private void onSend() {
if (!isAddressAllValid()) {
Toast.makeText(this, getString(R.string.message_compose_error_invalid_email),
Toast.LENGTH_LONG).show();
} else 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();
} else {
sendOrSaveMessage(true);
mDraftNeedsSaving = false;
finish();
}
}
private void onDiscard() {
if (mDraft != null) {
mController.deleteMessage(mDraft.mId, mDraft.mAccountKey);
}
Toast.makeText(this, getString(R.string.message_discarded_toast), Toast.LENGTH_LONG).show();
mDraftNeedsSaving = false;
finish();
}
private void onSave() {
saveIfNeeded();
finish();
}
private void onAddCcBcc() {
mCcView.setVisibility(View.VISIBLE);
mBccView.setVisibility(View.VISIBLE);
}
/**
* Kick off a picker for whatever kind of MIME types we'll accept and let Android take over.
*/
private void onAddAttachment() {
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType(Email.ACCEPTABLE_ATTACHMENT_SEND_TYPES[0]);
startActivityForResult(
Intent.createChooser(i, getString(R.string.choose_attachment_dialog_title)),
ACTIVITY_REQUEST_PICK_ATTACHMENT);
}
private Attachment loadAttachmentInfo(Uri uri) {
int size = -1;
String name = null;
ContentResolver contentResolver = getContentResolver();
Cursor metadataCursor = contentResolver.query(uri,
ATTACHMENT_META_COLUMNS, 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 contentType = contentResolver.getType(uri);
if (contentType == null) {
contentType = "";
}
Attachment attachment = new Attachment();
attachment.mFileName = name;
attachment.mContentUri = uri.toString();
attachment.mSize = size;
attachment.mMimeType = contentType;
return attachment;
}
private void addAttachment(Attachment attachment) {
// Before attaching the attachment, make sure it meets any other pre-attach criteria
if (attachment.mSize > Email.MAX_ATTACHMENT_UPLOAD_SIZE) {
Toast.makeText(this, R.string.message_compose_attachment_size, Toast.LENGTH_LONG)
.show();
return;
}
View view = getLayoutInflater().inflate(R.layout.message_compose_attachment,
mAttachments, false);
TextView nameView = (TextView)view.findViewById(R.id.attachment_name);
ImageButton delete = (ImageButton)view.findViewById(R.id.attachment_delete);
nameView.setText(attachment.mFileName);
delete.setOnClickListener(this);
delete.setTag(view);
view.setTag(attachment);
mAttachments.addView(view);
}
private void addAttachment(Uri uri) {
addAttachment(loadAttachmentInfo(uri));
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (data == null) {
return;
}
addAttachment(data.getData());
mDraftNeedsSaving = true;
}
public void onClick(View view) {
switch (view.getId()) {
case R.id.send:
onSend();
break;
case R.id.save:
onSave();
break;
case R.id.discard:
onDiscard();
break;
case R.id.attachment_delete:
/*
* The view is the delete button, and we have previously set the tag of
* the delete button to the view that owns it. We don't use parent because the
* view is very complex and could change in the future.
*/
mAttachments.removeView((View) view.getTag());
mDraftNeedsSaving = true;
break;
case R.id.quoted_text_delete:
mQuotedTextBar.setVisibility(View.GONE);
mQuotedText.setVisibility(View.GONE);
mDraftNeedsSaving = true;
break;
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.send:
onSend();
break;
case R.id.save:
onSave();
break;
case R.id.discard:
onDiscard();
break;
case R.id.add_cc_bcc:
onAddCcBcc();
break;
case R.id.add_attachment:
onAddAttachment();
break;
default:
return super.onOptionsItemSelected(item);
}
return true;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
getMenuInflater().inflate(R.menu.message_compose_option, menu);
return true;
}
/**
* Returns true if all attachments were able to be attached, otherwise returns false.
*/
// 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;
// } else {
// String contentType = MimeUtility.unfoldAndDecode(part.getContentType());
// String name = MimeUtility.getHeaderParameter(contentType, "name");
// if (name != null) {
// Body body = part.getBody();
// if (body != null && body instanceof LocalAttachmentBody) {
// final Uri uri = ((LocalAttachmentBody) body).getContentUri();
// mHandler.post(new Runnable() {
// public void run() {
// addAttachment(uri);
// }
// });
// }
// else {
// return false;
// }
// }
// return true;
// }
// }
/**
* Fill all the widgets with the content found in the Intent Extra, if any.
*
* Note that we don't actually check the intent action (typically VIEW, SENDTO, or SEND).
* There is enough overlap in the definitions that it makes more sense to simply check for
* all available data and use as much of it as possible.
*
* With one exception: EXTRA_STREAM is defined as only valid for ACTION_SEND.
*
* @param intent the launch intent
*/
/* package */ void initFromIntent(Intent intent) {
// First, add values stored in top-level extras
String[] extraStrings = intent.getStringArrayExtra(Intent.EXTRA_EMAIL);
if (extraStrings != null) {
addAddresses(mToView, extraStrings);
}
extraStrings = intent.getStringArrayExtra(Intent.EXTRA_CC);
if (extraStrings != null) {
addAddresses(mCcView, extraStrings);
}
extraStrings = intent.getStringArrayExtra(Intent.EXTRA_BCC);
if (extraStrings != null) {
addAddresses(mBccView, extraStrings);
}
String extraString = intent.getStringExtra(Intent.EXTRA_SUBJECT);
if (extraString != null) {
mSubjectView.setText(extraString);
}
// Next, if we were invoked with a URI, try to interpret it
// We'll take two courses here. If it's mailto:, there is a specific set of rules
// that define various optional fields. However, for any other scheme, we'll simply
// take the entire scheme-specific part and interpret it as a possible list of addresses.
final Uri dataUri = intent.getData();
if (dataUri != null) {
if ("mailto".equals(dataUri.getScheme())) {
initializeFromMailTo(dataUri.toString());
} else {
String toText = dataUri.getSchemeSpecificPart();
if (toText != null) {
addAddresses(mToView, toText.split(","));
}
}
}
// Next, fill in the plaintext (note, this will override mailto:?body=)
CharSequence text = intent.getCharSequenceExtra(Intent.EXTRA_TEXT);
if (text != null) {
mMessageContentView.setText(text);
}
// Next, convert EXTRA_STREAM into an attachment
if (Intent.ACTION_SEND.equals(intent.getAction()) && intent.hasExtra(Intent.EXTRA_STREAM)) {
String type = intent.getType();
Uri stream = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
if (stream != null && type != null) {
if (MimeUtility.mimeTypeMatches(type, Email.ACCEPTABLE_ATTACHMENT_SEND_TYPES)) {
addAttachment(stream);
}
}
}
if (Intent.ACTION_SEND_MULTIPLE.equals(intent.getAction())
&& intent.hasExtra(Intent.EXTRA_STREAM)) {
ArrayList<Parcelable> list = intent.getParcelableArrayListExtra(Intent.EXTRA_STREAM);
if (list != null) {
for (Parcelable parcelable : list) {
Uri uri = (Uri) parcelable;
if (uri != null) {
Attachment attachment = loadAttachmentInfo(uri);
if (MimeUtility.mimeTypeMatches(attachment.mMimeType,
Email.ACCEPTABLE_ATTACHMENT_SEND_TYPES)) {
addAttachment(attachment);
}
}
}
}
}
// Finally - expose fields that were filled in but are normally hidden, and set focus
if (mCcView.length() > 0) {
mCcView.setVisibility(View.VISIBLE);
}
if (mBccView.length() > 0) {
mBccView.setVisibility(View.VISIBLE);
}
setNewMessageFocus();
mDraftNeedsSaving = false;
}
/**
* When we are launched with an intent that includes a mailto: URI, we can actually
* gather quite a few of our message fields from it.
*
* @mailToString the href (which must start with "mailto:").
*/
private void initializeFromMailTo(String mailToString) {
// Chop up everything between mailto: and ? to find recipients
int index = mailToString.indexOf("?");
int length = "mailto".length() + 1;
String to;
try {
// Extract the recipient after mailto:
if (index == -1) {
to = decode(mailToString.substring(length));
} else {
to = decode(mailToString.substring(length, index));
}
addAddresses(mToView, to.split(" ,"));
} catch (UnsupportedEncodingException e) {
Log.e(Email.LOG_TAG, e.getMessage() + " while decoding '" + mailToString + "'");
}
// Extract the other parameters
// We need to disguise this string as a URI in order to parse it
Uri uri = Uri.parse("foo://" + mailToString);
List<String> cc = uri.getQueryParameters("cc");
addAddresses(mCcView, cc.toArray(new String[cc.size()]));
List<String> otherTo = uri.getQueryParameters("to");
addAddresses(mCcView, otherTo.toArray(new String[otherTo.size()]));
List<String> bcc = uri.getQueryParameters("bcc");
addAddresses(mBccView, bcc.toArray(new String[bcc.size()]));
List<String> subject = uri.getQueryParameters("subject");
if (subject.size() > 0) {
mSubjectView.setText(subject.get(0));
}
List<String> body = uri.getQueryParameters("body");
if (body.size() > 0) {
mMessageContentView.setText(body.get(0));
}
}
private String decode(String s) throws UnsupportedEncodingException {
return URLDecoder.decode(s, "UTF-8");
}
// used by processSourceMessage()
private void displayQuotedText(Message message) {
boolean plainTextFlag = message.mHtml == null;
String text = plainTextFlag ? message.mText : message.mHtml;
if (text != null) {
text = plainTextFlag ? EmailHtmlUtil.escapeCharacterToDisplay(text) : text;
// TODO: re-enable EmailHtmlUtil.resolveInlineImage() for HTML
// EmailHtmlUtil.resolveInlineImage(getContentResolver(), mAccount,
// text, message, 0);
mQuotedTextBar.setVisibility(View.VISIBLE);
mQuotedText.setVisibility(View.VISIBLE);
mQuotedText.loadDataWithBaseURL("email://", text, "text/html",
"utf-8", null);
}
}
/**
* 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
*/
/* package */
void processSourceMessage(Message message, Account account) {
final String action = getIntent().getAction();
mDraftNeedsSaving = true;
final String subject = message.mSubject;
if (ACTION_REPLY.equals(action) || ACTION_REPLY_ALL.equals(action)) {
if (subject != null && !subject.toLowerCase().startsWith("re:")) {
mSubjectView.setText("Re: " + subject);
} else {
mSubjectView.setText(subject);
}
/*
* If a reply-to was included with the message use that, otherwise use the from
* or sender address.
*/
Address[] replyToAddresses = Address.unpack(message.mReplyTo);
if (replyToAddresses.length == 0) {
replyToAddresses = Address.unpack(message.mFrom);
}
addAddresses(mToView, replyToAddresses);
if (ACTION_REPLY_ALL.equals(action)) {
for (Address address : Address.unpack(message.mTo)) {
if (!address.getAddress().equalsIgnoreCase(account.mEmailAddress)) {
addAddress(mToView, address.toString());
}
}
boolean makeCCVisible = false;
for (Address address : Address.unpack(message.mCc)) {
if (!Utility.arrayContains(replyToAddresses, address)) {
addAddress(mCcView, address.toString());
makeCCVisible = true;
}
}
if (makeCCVisible) {
mCcView.setVisibility(View.VISIBLE);
}
}
displayQuotedText(message);
} else if (ACTION_FORWARD.equals(action)) {
mSubjectView.setText(subject != null && !subject.toLowerCase().startsWith("fwd:") ?
"Fwd: " + subject : subject);
displayQuotedText(message);
if (!mSourceMessageProcessed) {
// TODO: re-enable loadAttachments below
// if (!loadAttachments(message, 0)) {
// mHandler.sendEmptyMessage(MSG_SKIPPED_ATTACHMENTS);
// }
}
} else if (ACTION_EDIT_DRAFT.equals(action)) {
mSubjectView.setText(subject);
addAddresses(mToView, Address.unpack(message.mTo));
Address[] cc = Address.unpack(message.mCc);
if (cc.length > 0) {
addAddresses(mCcView, cc);
mCcView.setVisibility(View.VISIBLE);
}
Address[] bcc = Address.unpack(message.mBcc);
if (bcc.length > 0) {
addAddresses(mBccView, bcc);
mBccView.setVisibility(View.VISIBLE);
}
// TODO: why not the same text handling as in displayQuotedText() ?
mMessageContentView.setText(message.mText);
if (!mSourceMessageProcessed) {
// TODO: re-enable loadAttachments
// loadAttachments(message, 0);
}
mDraftNeedsSaving = false;
}
setNewMessageFocus();
mSourceMessageProcessed = true;
}
/**
* In order to accelerate typing, position the cursor in the first empty field,
* or at the end of the body composition field if none are empty. Typically, this will
* play out as follows:
* Reply / Reply All - put cursor in the empty message body
* Forward - put cursor in the empty To field
* Edit Draft - put cursor in whatever field still needs entry
*/
private void setNewMessageFocus() {
if (mToView.length() == 0) {
mToView.requestFocus();
} else if (mSubjectView.length() == 0) {
mSubjectView.requestFocus();
} else {
mMessageContentView.requestFocus();
// when selecting the message content, explicitly move IP to the end, so you can
// quickly resume typing into a draft
int selection = mMessageContentView.length();
mMessageContentView.setSelection(selection, selection);
}
}
class Listener implements Controller.Result {
public void updateMailboxListCallback(MessagingException result, long accountId,
int progress) {
}
public void updateMailboxCallback(MessagingException result, long accountId,
long mailboxId, int progress, int numNewMessages) {
}
public void loadMessageForViewCallback(MessagingException result, long messageId,
int progress) {
}
public void loadAttachmentCallback(MessagingException result, long messageId,
long attachmentId, int progress) {
}
public void serviceCheckMailCallback(MessagingException result, long accountId,
long mailboxId, int progress, long tag) {
}
public void sendMailCallback(MessagingException result, long accountId, long messageId,
int progress) {
}
}
// class Listener extends MessagingListener {
// @Override
// public void loadMessageForViewStarted(Account account, String folder,
// String uid) {
// mHandler.sendEmptyMessage(MSG_PROGRESS_ON);
// }
// @Override
// public void loadMessageForViewFinished(Account account, String folder,
// String uid, Message message) {
// mHandler.sendEmptyMessage(MSG_PROGRESS_OFF);
// }
// @Override
// public void loadMessageForViewBodyAvailable(Account account, String folder,
// String uid, final Message message) {
// // TODO: convert uid to EmailContent.Message and re-do what's below
// mSourceMessage = message;
// runOnUiThread(new Runnable() {
// public void run() {
// processSourceMessage(message);
// }
// });
// }
// @Override
// public void loadMessageForViewFailed(Account account, String folder, String uid,
// final String message) {
// mHandler.sendEmptyMessage(MSG_PROGRESS_OFF);
// // TODO show network error
// }
// }
}