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Code Issues Releases Wiki Activity

Fixes issue 2144

Browse Source 
- Removed the contact names cache (memory leak)
- Changed Contacts.searchByAddress() to Contacts.getNameForAddress(). Cursor is now immediately closed.
- Only try to resolve contact names when "Global settings" -> "Show contact name" is checked
- Never resolve contact names if number of recipients exceeds a threshold
This commit is contained in:
cketti 2010-10-09 00:24:43 +00:00
parent 4f429ec3bc
commit 7028a4c167
6 changed files with 83 additions and 113 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/com/fsck/k9/activity/MessageView.java
View File

@ -1455,8 +1455,6 @@ public class MessageView extends K9Activity implements OnClickListener
{
final Address senderEmail = mMessage.getFrom()[0];
mContacts.createContact(this, senderEmail);
Address.clearContactsNameCache();
}
catch (Exception e)
{
@ -2170,11 +2168,12 @@ public class MessageView extends K9Activity implements OnClickListener
final Message message) throws MessagingException
{
String subjectText = message.getSubject();
CharSequence fromText = Address.toFriendly(message.getFrom(), mContacts);
final Contacts contacts = K9.showContactName() ? mContacts : null;
CharSequence fromText = Address.toFriendly(message.getFrom(), contacts);
String dateText = getDateFormat().format(message.getSentDate());
String timeText = getTimeFormat().format(message.getSentDate());
CharSequence toText = Address.toFriendly(message.getRecipients(RecipientType.TO), mContacts);
CharSequence ccText = Address.toFriendly(message.getRecipients(RecipientType.CC), mContacts);
CharSequence toText = Address.toFriendly(message.getRecipients(RecipientType.TO), contacts);
CharSequence ccText = Address.toFriendly(message.getRecipients(RecipientType.CC), contacts);
int color = mAccount.getChipColor();
boolean hasAttachments = ((LocalMessage) message).getAttachmentCount() > 0;

9
src/com/fsck/k9/helper/Contacts.java
View File

@ -147,7 +147,14 @@ public abstract class Contacts
*/
public abstract Cursor searchContacts(CharSequence filter);
public abstract Cursor searchByAddress(String address);
/**
* Get the name of the contact an email address belongs to.
*
* @param address The email address to search for.
* @return The name of the contact the email address belongs to. Or
* <tt>null</tt> if there's no matching contact.
*/
public abstract String getNameForAddress(String address);
/**
* Extract the name from a {@link Cursor} instance returned by

33
src/com/fsck/k9/helper/ContactsSdk3_4.java
View File

@ -174,21 +174,16 @@ public class ContactsSdk3_4 extends com.fsck.k9.helper.Contacts
}
@Override
public Cursor searchByAddress(String address)
public String getNameForAddress(String address)
{
final String where;
final String[] args;
if (address == null)
{
where = null;
args = null;
}
else
{
where = Contacts.ContactMethods.DATA + " = ?";
args = new String[] {address};
return null;
}
final String where = Contacts.ContactMethods.DATA + " = ?";
final String[] args = new String[] {address};
final Cursor c = mContentResolver.query(
Contacts.ContactMethods.CONTENT_EMAIL_URI,
PROJECTION,
@ -196,20 +191,18 @@ public class ContactsSdk3_4 extends com.fsck.k9.helper.Contacts
args,
SORT_ORDER);
String name = null;
if (c != null)
{
/*
* To prevent expensive execution in the UI thread:
* Cursors get lazily executed, so if you don't call anything on
* the cursor before returning it from the background thread you'll
* have a complied program for the cursor, but it won't have been
* executed to generate the data yet. Often the execution is more
* expensive than the compilation...
*/
c.getCount();
if (c.getCount() > 0)
{
c.moveToFirst();
name = getName(c);
}
c.close();
}
return c;
return name;
}
@Override

28
src/com/fsck/k9/helper/ContactsSdk5.java
View File

@ -150,10 +150,14 @@ public class ContactsSdk5 extends com.fsck.k9.helper.Contacts
}
@Override
public Cursor searchByAddress(String address)
public String getNameForAddress(String address)
{
final String filter = (address == null) ? "" : address;
final Uri uri = Uri.withAppendedPath(Email.CONTENT_FILTER_URI, Uri.encode(filter));
if (address == null)
{
return null;
}
final Uri uri = Uri.withAppendedPath(Email.CONTENT_LOOKUP_URI, Uri.encode(address));
final Cursor c = mContentResolver.query(
uri,
PROJECTION,
@ -161,20 +165,18 @@ public class ContactsSdk5 extends com.fsck.k9.helper.Contacts
null,
SORT_ORDER);
String name = null;
if (c != null)
{
/*
* To prevent expensive execution in the UI thread:
* Cursors get lazily executed, so if you don't call anything on
* the cursor before returning it from the background thread you'll
* have a complied program for the cursor, but it won't have been
* executed to generate the data yet. Often the execution is more
* expensive than the compilation...
*/
c.getCount();
if (c.getCount() > 0)
{
c.moveToFirst();
name = getName(c);
}
c.close();
}
return c;
return name;
}
@Override

2
src/com/fsck/k9/helper/MessageHelper.java
View File

@ -53,7 +53,7 @@ public class MessageHelper
public void populate(final MessageInfoHolder target, final Message m,
final FolderInfoHolder folder, final Account account)
{
final Contacts contactHelper = Contacts.getInstance(mContext);
final Contacts contactHelper = K9.showContactName() ? Contacts.getInstance(mContext) : null;
try
{
LocalMessage message = (LocalMessage) m;

115
src/com/fsck/k9/mail/Address.java
View File

@ -1,9 +1,6 @@
package com.fsck.k9.mail;
import android.database.Cursor;
import android.graphics.Color;
import android.text.Html;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
@ -23,27 +20,27 @@ import org.apache.james.mime4j.field.address.NamedMailbox;
import org.apache.james.mime4j.field.address.parser.ParseException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
public class Address
{
/**
* If the number of addresses exceeds this value the addresses aren't
* resolved to the names of Android contacts.
*
* <p>
* TODO: This number was chosen arbitrarily and should be determined by
* performance tests.
* </p>
*
* @see Address#toFriendly(Address[], Contacts)
*/
private static final int TOO_MANY_ADDRESSES = 50;
/**
* Immutable empty {@link Address} array
*/
private static final Address[] EMPTY_ADDRESS_ARRAY = new Address[0];
private static Map<String,String> sContactsName = new ConcurrentHashMap<String, String>();
public static void clearContactsNameCache()
{
sContactsName.clear();
}
private static final String NO_ENTRY = "";
String mAddress;
@ -256,81 +253,46 @@ public class Address
return toFriendly((Contacts)null);
}
public CharSequence toFriendly(Contacts contacts)
/**
* Returns the name of the contact this email address belongs to if
* the {@link Contacts contacts} parameter is not {@code null} and a
* contact is found. Otherwise the personal portion of the {@link Address}
* is returned. If that isn't available either, the email address is
* returned.
*
* @param contacts
* A {@link Contacts} instance or {@code null}.
* @return
* A "friendly" name for this {@link Address}.
*/
public CharSequence toFriendly(final Contacts contacts)
{
if (contacts != null)
{
String name = sContactsName.get(mAddress);
final String name = contacts.getNameForAddress(mAddress);
if (name != null && name != NO_ENTRY)
// TODO: The results should probably be cached for performance reasons.
if (name != null)
{
if (K9.changeRegisteredNameColor())
{
SpannableString sname = new SpannableString(name);
sname.setSpan(new ForegroundColorSpan(K9.getRegisteredNameColor()),
final SpannableString coloredName = new SpannableString(name);
coloredName.setSpan(new ForegroundColorSpan(K9.getRegisteredNameColor()),
0,
sname.length(),
coloredName.length(),
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
);
return sname;
);
return coloredName;
}
else
{
return name;
}
}
if (name == null)
{
Cursor cursor = contacts.searchByAddress(mAddress);
if (cursor != null)
{
try
{
if (cursor.getCount() > 0)
{
cursor.moveToFirst();
name = contacts.getName(cursor); // name might return null
if (name != null)
{
sContactsName.put(mAddress, name);
if (K9.changeRegisteredNameColor())
{
SpannableString sname = new SpannableString(name);
sname.setSpan(new ForegroundColorSpan(K9.getRegisteredNameColor()),
0,
sname.length(),
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
);
return sname;
}
else
{
return name;
}
}
}
else
{
sContactsName.put(mAddress, NO_ENTRY);
}
}
finally
{
// cursor.close(); // TODO: should close cursor.
}
}
}
}
if (mPersonal != null && mPersonal.length() > 0)
{
return mPersonal;
}
else
{
return mAddress;
}
return ((mPersonal != null) && (mPersonal.length() > 0)) ? mPersonal : mAddress;
}
public static CharSequence toFriendly(Address[] addresses)
@ -344,6 +306,13 @@ public class Address
{
return null;
}
if (addresses.length >= TOO_MANY_ADDRESSES)
{
// Don't look up contacts if the number of addresses is very high.
contacts = null;
}
SpannableStringBuilder sb = new SpannableStringBuilder();
for (int i = 0; i < addresses.length; i++)
{