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mirror of https://github.com/moparisthebest/k-9 synced 2024-11-27 11:42:16 -05:00

Added ability to display special folders combining multiple accounts

This commit is contained in:
cketti 2012-10-18 05:15:40 +02:00
parent 20ed1ebe61
commit 1d655f5bc2
5 changed files with 752 additions and 37 deletions

View File

@ -6,6 +6,8 @@ import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Future;
@ -24,6 +26,7 @@ import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
@ -68,8 +71,10 @@ import com.fsck.k9.activity.FolderInfoHolder;
import com.fsck.k9.activity.MessageInfoHolder;
import com.fsck.k9.activity.MessageReference;
import com.fsck.k9.controller.MessagingController;
import com.fsck.k9.fragment.ConfirmationDialogFragment;
import com.fsck.k9.fragment.ConfirmationDialogFragment.ConfirmationDialogFragmentListener;
import com.fsck.k9.helper.MessageHelper;
import com.fsck.k9.helper.MergeCursorWithUniqueId;
import com.fsck.k9.helper.StringUtils;
import com.fsck.k9.helper.Utility;
import com.fsck.k9.mail.Address;
@ -77,18 +82,15 @@ import com.fsck.k9.mail.Flag;
import com.fsck.k9.mail.Folder;
import com.fsck.k9.mail.Message;
import com.fsck.k9.mail.MessagingException;
import com.fsck.k9.mail.Store;
import com.fsck.k9.mail.Folder.OpenMode;
import com.fsck.k9.mail.store.LocalStore;
import com.fsck.k9.mail.store.LocalStore.LocalFolder;
import com.fsck.k9.mail.store.LocalStore.LocalMessage;
import com.fsck.k9.provider.EmailProvider;
import com.fsck.k9.provider.EmailProvider.MessageColumns;
import com.fsck.k9.provider.EmailProvider.SpecialColumns;
import com.fsck.k9.search.ConditionsTreeNode;
import com.fsck.k9.search.LocalSearch;
import com.fsck.k9.search.SearchSpecification;
import com.fsck.k9.search.SearchSpecification.ATTRIBUTE;
import com.fsck.k9.search.SearchSpecification.SEARCHFIELD;
import com.fsck.k9.search.SearchSpecification.SearchCondition;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshListView;
@ -111,7 +113,8 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
MessageColumns.FOLDER_ID,
MessageColumns.PREVIEW,
MessageColumns.THREAD_ROOT,
MessageColumns.THREAD_PARENT
MessageColumns.THREAD_PARENT,
SpecialColumns.ACCOUNT_UUID
};
private static final int ID_COLUMN = 0;
@ -128,6 +131,7 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
private static final int PREVIEW_COLUMN = 11;
private static final int THREAD_ROOT_COLUMN = 12;
private static final int THREAD_PARENT_COLUMN = 13;
private static final int ACCOUNT_UUID_COLUMN = 14;
public static MessageListFragment newInstance(LocalSearch search, boolean remoteSearch) {
@ -321,8 +325,11 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
private MessagingController mController;
private Account mAccount;
private String[] mAccountUuids;
private int mUnreadMessageCount = 0;
private Map<Integer, Cursor> mCursors = new HashMap<Integer, Cursor>();
/**
* Stores the name of the folder that we want to open as soon as possible
* after load.
@ -387,6 +394,8 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
private final ActivityListener mListener = new MessageListActivityListener();
private Preferences mPreferences;
/**
* This class is used to run operations that modify UI elements in the UI thread.
*
@ -627,9 +636,14 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
// long rootId = ((LocalMessage) message.message).getRootId();
// mFragmentListener.showThread(folder.getAccount(), folder.getName(), rootId);
} else {
Account account = getAccountFromCursor(cursor);
long folderId = cursor.getLong(FOLDER_ID_COLUMN);
String folderName = getFolderNameById(account, folderId);
MessageReference ref = new MessageReference();
ref.accountUuid = mAccount.getUuid();
ref.folderName = mCurrentFolder.name;
ref.accountUuid = account.getUuid();
ref.folderName = folderName;
ref.uid = cursor.getString(UID_COLUMN);
onOpenMessage(ref);
}
@ -653,6 +667,7 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mPreferences = Preferences.getPreferences(getActivity().getApplicationContext());
mController = MessagingController.getInstance(getActivity().getApplication());
mPreviewLines = K9.messageListPreviewLines();
@ -686,7 +701,10 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
initializeMessageList();
getLoaderManager().initLoader(0, null, this);
LoaderManager loaderManager = getLoaderManager();
for (int i = 0, len = mAccountUuids.length; i < len; i++) {
loaderManager.initLoader(i, null, this);
}
}
private void decodeArguments() {
@ -696,14 +714,12 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
mSearch = args.getParcelable(ARG_SEARCH);
mTitle = args.getString(mSearch.getName());
Context appContext = getActivity().getApplicationContext();
String[] accounts = mSearch.getAccountUuids();
String[] accountUuids = mSearch.getAccountUuids();
mSingleAccountMode = false;
if (accounts != null && accounts.length == 1
&& !accounts[0].equals(SearchSpecification.ALL_ACCOUNTS)) {
if (accountUuids.length == 1 && !accountUuids[0].equals(SearchSpecification.ALL_ACCOUNTS)) {
mSingleAccountMode = true;
mAccount = Preferences.getPreferences(appContext).getAccount(accounts[0]);
mAccount = mPreferences.getAccount(accountUuids[0]);
}
mSingleFolderMode = false;
@ -712,6 +728,23 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
mFolderName = mSearch.getFolderNames().get(0);
mCurrentFolder = getFolder(mFolderName, mAccount);
}
if (mSingleAccountMode) {
mAccountUuids = new String[] { mAccount.getUuid() };
} else {
if (accountUuids.length == 1 &&
accountUuids[0].equals(SearchSpecification.ALL_ACCOUNTS)) {
Account[] accounts = mPreferences.getAccounts();
mAccountUuids = new String[accounts.length];
for (int i = 0, len = accounts.length; i < len; i++) {
mAccountUuids[i] = accounts[i].getUuid();
}
} else {
mAccountUuids = accountUuids;
}
}
}
private void initializeMessageList() {
@ -744,6 +777,18 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
}
}
private String getFolderNameById(Account account, long folderId) {
try {
LocalStore localStore = account.getLocalStore();
LocalFolder localFolder = localStore.getFolderById(folderId);
localFolder.open(OpenMode.READ_ONLY);
return localFolder.getName();
} catch (Exception e) {
Log.e(K9.LOG_TAG, "getFolderNameById() failed.", e);
return null;
}
}
@Override
public void onPause() {
super.onPause();
@ -789,8 +834,6 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
mSenderAboveSubject = K9.messageListSenderAboveSubject();
final Preferences prefs = Preferences.getPreferences(appContext);
// Check if we have connectivity. Cache the value.
if (mHasConnectivity == null) {
final ConnectivityManager connectivityManager =
@ -841,7 +884,7 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
mSortAscending = account.isSortAscending(mSortType);
mSortDateAscending = account.isSortAscending(SortType.SORT_DATE);
} else {
accountsWithNotification = prefs.getAccounts();
accountsWithNotification = mPreferences.getAccounts();
mSortType = K9.getSortType();
mSortAscending = K9.isSortAscending(mSortType);
mSortDateAscending = K9.isSortAscending(SortType.SORT_DATE);
@ -934,7 +977,6 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
private void changeSort(SortType sortType, Boolean sortAscending) {
mSortType = sortType;
Preferences prefs = Preferences.getPreferences(getActivity().getApplicationContext());
Account account = mAccount;
if (account != null) {
@ -948,7 +990,7 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
account.setSortAscending(mSortType, mSortAscending);
mSortDateAscending = account.isSortAscending(SortType.SORT_DATE);
account.save(prefs);
account.save(mPreferences);
} else {
K9.setSortType(mSortType);
@ -960,7 +1002,7 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
K9.setSortAscending(mSortType, mSortAscending);
mSortDateAscending = K9.isSortAscending(SortType.SORT_DATE);
Editor editor = prefs.getPreferences().edit();
Editor editor = mPreferences.getPreferences().edit();
K9.save(editor);
editor.commit();
}
@ -1244,8 +1286,7 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
getActivity().getMenuInflater().inflate(R.menu.message_list_item_context, menu);
//TODO: get account from cursor
Account account = mAccount;
Account account = getAccountFromCursor(cursor);
String subject = cursor.getString(SUBJECT_COLUMN);
String flagList = cursor.getString(FLAGS_COLUMN);
@ -1511,8 +1552,7 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
@Override
public void bindView(View view, Context context, Cursor cursor) {
//TODO: make this work for search results
Account account = mAccount;
Account account = getAccountFromCursor(cursor);
String fromList = cursor.getString(SENDER_LIST_COLUMN);
String toList = cursor.getString(TO_LIST_COLUMN);
@ -2574,9 +2614,6 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
return false;
}
Context appContext = getActivity().getApplicationContext();
final Preferences prefs = Preferences.getPreferences(appContext);
boolean allowRemoteSearch = false;
final Account searchAccount = mAccount;
if (searchAccount != null) {
@ -2593,13 +2630,61 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
String accountUuid = mAccount.getUuid();
String accountUuid = mAccountUuids[id];
Account account = mPreferences.getAccount(accountUuid);
Uri uri = Uri.withAppendedPath(EmailProvider.CONTENT_URI, "account/" + accountUuid + "/messages");
StringBuilder query = new StringBuilder();
List<String> queryArgs = new ArrayList<String>();
buildQuery(account, mSearch.getConditions(), query, queryArgs);
String selection = query.toString();
String[] selectionArgs = queryArgs.toArray(new String[0]);
return new CursorLoader(getActivity(), uri, PROJECTION, selection, selectionArgs,
MessageColumns.DATE + " DESC");
}
private void buildQuery(Account account, ConditionsTreeNode node, StringBuilder query,
List<String> selectionArgs) {
if (node.mLeft == null && node.mRight == null) {
SearchCondition condition = node.mCondition;
switch (condition.field) {
case FOLDER: {
String folderName;
//TODO: Fix the search condition used by the Unified Inbox
if (LocalSearch.GENERIC_INBOX_NAME.equals(condition.value) ||
"1".equals(condition.value)) {
folderName = account.getInboxFolderName();
} else {
folderName = condition.value;
}
long folderId = getFolderId(account, folderName);
query.append("folder_id = ?");
selectionArgs.add(Long.toString(folderId));
break;
}
default: {
query.append(condition.toString());
}
}
} else {
query.append("(");
buildQuery(account, node.mLeft, query, selectionArgs);
query.append(") ");
query.append(node.mValue.name());
query.append(" (");
buildQuery(account, node.mRight, query, selectionArgs);
query.append(")");
}
}
private long getFolderId(Account account, String folderName) {
long folderId = 0;
try {
LocalFolder folder = (LocalFolder) mCurrentFolder.folder;
LocalFolder folder = (LocalFolder) getFolder(folderName, account).folder;
folder.open(OpenMode.READ_ONLY);
folderId = folder.getId();
} catch (MessagingException e) {
@ -2607,17 +2692,25 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
e.printStackTrace();
}
String selection = MessageColumns.FOLDER_ID + "=?";
String[] selectionArgs = { Long.toString(folderId) };
return new CursorLoader(getActivity(), uri, PROJECTION, selection, selectionArgs,
MessageColumns.DATE + " DESC");
return folderId;
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
mSelected = new SparseBooleanArray(data.getCount());
mAdapter.swapCursor(data);
mCursors.put(loader.getId(), data);
List<Integer> list = new LinkedList<Integer>(mCursors.keySet());
Collections.sort(list);
List<Cursor> cursors = new ArrayList<Cursor>(list.size());
for (Integer id : list) {
cursors.add(mCursors.get(id));
}
MergeCursorWithUniqueId cursor = new MergeCursorWithUniqueId(cursors);
mSelected = new SparseBooleanArray(cursor.getCount());
//TODO: use the (stable) IDs as index and reuse the old mSelected
mAdapter.swapCursor(cursor);
}
@Override
@ -2625,4 +2718,9 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
mSelected = null;
mAdapter.swapCursor(null);
}
private Account getAccountFromCursor(Cursor cursor) {
String accountUuid = cursor.getString(ACCOUNT_UUID_COLUMN);
return mPreferences.getAccount(accountUuid);
}
}

View File

@ -0,0 +1,347 @@
package com.fsck.k9.helper;
import java.util.List;
import android.content.ContentResolver;
import android.database.CharArrayBuffer;
import android.database.ContentObserver;
import android.database.Cursor;
import android.database.DataSetObserver;
import android.net.Uri;
import android.os.Bundle;
/**
* This class can be used to combine multiple {@link Cursor}s into one.
*/
public class MergeCursor implements Cursor {
/**
* List of the cursors combined in this object.
*/
protected final List<Cursor> mCursors;
/**
* The currently active cursor.
*/
protected Cursor mActiveCursor;
/**
* The index of the currently active cursor in {@link #mCursors}.
*
* @see #mActiveCursor
*/
protected int mActiveCursorIndex;
/**
* Used to cache the value of {@link #getCount()}
*/
private int mCount = -1;
/**
* Constructor
*
* @param cursors
* The list of cursors this {@code MultiCursor} should combine.
*/
public MergeCursor(List<Cursor> cursors) {
mCursors = cursors;
mActiveCursorIndex = 0;
mActiveCursor = cursors.get(0);
}
@Override
public void close() {
for (Cursor cursor : mCursors) {
cursor.close();
}
}
@Override
public void copyStringToBuffer(int columnIndex, CharArrayBuffer buffer) {
mActiveCursor.copyStringToBuffer(columnIndex, buffer);
}
@Override
public void deactivate() {
for (Cursor cursor : mCursors) {
cursor.deactivate();
}
}
@Override
public byte[] getBlob(int columnIndex) {
return mActiveCursor.getBlob(columnIndex);
}
@Override
public int getColumnCount() {
return mActiveCursor.getColumnCount();
}
@Override
public int getColumnIndex(String columnName) {
return mActiveCursor.getColumnIndex(columnName);
}
@Override
public int getColumnIndexOrThrow(String columnName) throws IllegalArgumentException {
return mActiveCursor.getColumnIndexOrThrow(columnName);
}
@Override
public String getColumnName(int columnIndex) {
return mActiveCursor.getColumnName(columnIndex);
}
@Override
public String[] getColumnNames() {
return mActiveCursor.getColumnNames();
}
@Override
public int getCount() {
// CursorLoaders seem to call getCount() a lot. So we're caching the aggregated count.
if (mCount == -1) {
int count = 0;
for (Cursor cursor : mCursors) {
count += cursor.getCount();
}
mCount = count;
}
return mCount;
}
@Override
public double getDouble(int columnIndex) {
return mActiveCursor.getDouble(columnIndex);
}
@Override
public float getFloat(int columnIndex) {
return mActiveCursor.getFloat(columnIndex);
}
@Override
public int getInt(int columnIndex) {
return mActiveCursor.getInt(columnIndex);
}
@Override
public long getLong(int columnIndex) {
return mActiveCursor.getLong(columnIndex);
}
@Override
public int getPosition() {
int pos = 0;
for (int i = 0; i < mActiveCursorIndex; i++) {
pos += mCursors.get(i).getCount();
}
return pos + mActiveCursor.getPosition();
}
@Override
public short getShort(int columnIndex) {
return mActiveCursor.getShort(columnIndex);
}
@Override
public String getString(int columnIndex) {
return mActiveCursor.getString(columnIndex);
}
@Override
public int getType(int columnIndex) {
return mActiveCursor.getType(columnIndex);
}
@Override
public boolean getWantsAllOnMoveCalls() {
return mActiveCursor.getWantsAllOnMoveCalls();
}
@Override
public boolean isAfterLast() {
if (mActiveCursorIndex == mCursors.size() - 1) {
return mActiveCursor.isAfterLast();
}
return false;
}
@Override
public boolean isBeforeFirst() {
if (mActiveCursorIndex == 0) {
return mActiveCursor.isBeforeFirst();
}
return false;
}
@Override
public boolean isClosed() {
return mActiveCursor.isClosed();
}
@Override
public boolean isFirst() {
if (mActiveCursorIndex == 0) {
return mActiveCursor.isFirst();
}
return false;
}
@Override
public boolean isLast() {
if (mActiveCursorIndex == mCursors.size() - 1) {
return mActiveCursor.isLast();
}
return false;
}
@Override
public boolean isNull(int columnIndex) {
return mActiveCursor.isNull(columnIndex);
}
@Override
public boolean move(int offset) {
int ofs = offset;
int pos = mActiveCursor.getPosition();
if (offset >= 0) {
while (pos + ofs > mActiveCursor.getCount() &
mActiveCursorIndex < mCursors.size() - 1) {
// Adjust the "move offset"
ofs -= mActiveCursor.getCount() - pos;
// Move to the next cursor
mActiveCursor = mCursors.get(++mActiveCursorIndex);
// Move the new cursor to the first position
mActiveCursor.moveToFirst();
pos = 0;
}
} else {
while (pos + ofs < 0 && mActiveCursorIndex > 0) {
// Adjust the "move offset"
ofs += pos;
// Move to the next cursor
mActiveCursor = mCursors.get(--mActiveCursorIndex);
// Move the new cursor to the first position
mActiveCursor.moveToLast();
pos = mActiveCursor.getPosition();
}
}
return mActiveCursor.move(ofs);
}
@Override
public boolean moveToFirst() {
mActiveCursorIndex = 0;
mActiveCursor = mCursors.get(mActiveCursorIndex);
return mActiveCursor.moveToFirst();
}
@Override
public boolean moveToLast() {
mActiveCursorIndex = mCursors.size() - 1;
mActiveCursor = mCursors.get(mActiveCursorIndex);
return mActiveCursor.moveToLast();
}
@Override
public boolean moveToNext() {
return move(1);
}
@Override
public boolean moveToPosition(int position) {
// Start at the beginning
mActiveCursorIndex = 0;
mActiveCursor = mCursors.get(mActiveCursorIndex);
int pos = position;
while (pos > mActiveCursor.getCount() - 1 &&
mActiveCursorIndex < mCursors.size() - 1) {
// Adjust the position
pos -= mActiveCursor.getCount();
// Move to the next cursor
mActiveCursor = mCursors.get(++mActiveCursorIndex);
}
return mActiveCursor.moveToPosition(pos);
}
@Override
public boolean moveToPrevious() {
return move(-1);
}
@Override
public void registerContentObserver(ContentObserver observer) {
for (Cursor cursor : mCursors) {
cursor.registerContentObserver(observer);
}
}
@Override
public void registerDataSetObserver(DataSetObserver observer) {
for (Cursor cursor : mCursors) {
cursor.registerDataSetObserver(observer);
}
}
@Deprecated
@Override
public boolean requery() {
boolean success = true;
for (Cursor cursor : mCursors) {
success &= cursor.requery();
}
return success;
}
@Override
public void setNotificationUri(ContentResolver cr, Uri uri) {
for (Cursor cursor : mCursors) {
cursor.setNotificationUri(cr, uri);
}
}
@Override
public void unregisterContentObserver(ContentObserver observer) {
for (Cursor cursor : mCursors) {
cursor.unregisterContentObserver(observer);
}
}
@Override
public void unregisterDataSetObserver(DataSetObserver observer) {
for (Cursor cursor : mCursors) {
cursor.unregisterDataSetObserver(observer);
}
}
@Override
public Bundle getExtras() {
throw new RuntimeException("Not implemented");
}
@Override
public Bundle respond(Bundle extras) {
throw new RuntimeException("Not implemented");
}
}

View File

@ -0,0 +1,83 @@
package com.fsck.k9.helper;
import java.util.List;
import android.database.Cursor;
public class MergeCursorWithUniqueId extends MergeCursor {
private static final int SHIFT = 48;
private static final long MAX_ID = (1L << SHIFT) - 1;
private static final long MAX_CURSORS = 1L << (63 - SHIFT);
private int mColumnCount = -1;
private int mIdColumnIndex = -1;
public MergeCursorWithUniqueId(List<Cursor> cursors) {
super(cursors);
if (cursors.size() > MAX_CURSORS) {
throw new IllegalArgumentException("This class only supports up to " +
MAX_CURSORS + " cursors");
}
}
@Override
public int getColumnCount() {
if (mColumnCount == -1) {
mColumnCount = super.getColumnCount();
}
return mColumnCount + 1;
}
@Override
public int getColumnIndex(String columnName) {
if ("_id".equals(columnName)) {
return getUniqueIdColumnIndex();
}
return super.getColumnIndexOrThrow(columnName);
}
@Override
public int getColumnIndexOrThrow(String columnName) throws IllegalArgumentException {
if ("_id".equals(columnName)) {
return getUniqueIdColumnIndex();
}
return super.getColumnIndexOrThrow(columnName);
}
@Override
public long getLong(int columnIndex) {
if (columnIndex == getUniqueIdColumnIndex()) {
long id = getPerCursorId();
if (id > MAX_ID) {
throw new RuntimeException("Sorry, " + this.getClass().getName() +
" can only handle '_id' values up to " + SHIFT + " bits.");
}
return (((long) mActiveCursorIndex) << SHIFT) + id;
}
return super.getLong(columnIndex);
}
protected int getUniqueIdColumnIndex() {
if (mColumnCount == -1) {
mColumnCount = super.getColumnCount();
}
return mColumnCount;
}
protected long getPerCursorId() {
if (mIdColumnIndex == -1) {
mIdColumnIndex = super.getColumnIndexOrThrow("_id");
}
return super.getLong(mIdColumnIndex);
}
}

View File

@ -661,6 +661,10 @@ public class LocalStore extends Store implements Serializable {
return new LocalFolder(name);
}
public LocalFolder getFolderById(long folderId) {
return new LocalFolder(folderId);
}
private long getFolderId(final String name) throws MessagingException {
return database.execute(false, new DbCallback<Long>() {
@Override

View File

@ -1,6 +1,9 @@
package com.fsck.k9.provider;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.fsck.k9.Account;
import com.fsck.k9.Preferences;
@ -12,6 +15,7 @@ import com.fsck.k9.mail.store.LockableDatabase.DbCallback;
import com.fsck.k9.mail.store.LockableDatabase.WrappedException;
import com.fsck.k9.mail.store.UnavailableStorageException;
import android.annotation.TargetApi;
import android.content.ContentProvider;
import android.content.ContentResolver;
import android.content.ContentValues;
@ -67,6 +71,9 @@ public class EmailProvider extends ContentProvider {
//matcher.addURI(AUTHORITY, "account/*/thread/#", MESSAGES_THREAD);
}
public interface SpecialColumns {
public static final String ACCOUNT_UUID = "account_uuid";
}
public interface MessageColumns {
public static final String ID = "id";
@ -126,14 +133,31 @@ public class EmailProvider extends ContentProvider {
List<String> segments = uri.getPathSegments();
String accountUuid = segments.get(1);
cursor = getMessages(accountUuid, projection, selection, selectionArgs, sortOrder);
List<String> dbColumnNames = new ArrayList<String>(projection.length);
Map<String, String> specialColumns = new HashMap<String, String>();
for (String columnName : projection) {
if (SpecialColumns.ACCOUNT_UUID.equals(columnName)) {
specialColumns.put(SpecialColumns.ACCOUNT_UUID, accountUuid);
} else {
dbColumnNames.add(columnName);
}
}
String[] dbProjection = dbColumnNames.toArray(new String[0]);
cursor = getMessages(accountUuid, dbProjection, selection, selectionArgs,
sortOrder);
cursor.setNotificationUri(contentResolver, uri);
cursor = new SpecialColumnsCursor(new IdTrickeryCursor(cursor), projection,
specialColumns);
break;
}
}
return new IdTrickeryCursor(cursor);
return cursor;
}
@Override
@ -243,4 +267,163 @@ public class EmailProvider extends ContentProvider {
return super.getColumnIndexOrThrow(columnName);
}
}
static class SpecialColumnsCursor extends CursorWrapper {
private int[] mColumnMapping;
private String[] mSpecialColumnValues;
private String[] mColumnNames;
public SpecialColumnsCursor(Cursor cursor, String[] allColumnNames,
Map<String, String> specialColumns) {
super(cursor);
mColumnNames = allColumnNames;
mColumnMapping = new int[allColumnNames.length];
mSpecialColumnValues = new String[specialColumns.size()];
for (int i = 0, columnIndex = 0, specialColumnCount = 0, len = allColumnNames.length;
i < len; i++) {
String columnName = allColumnNames[i];
if (specialColumns.containsKey(columnName)) {
// This is a special column name, so save the value in mSpecialColumnValues
mSpecialColumnValues[specialColumnCount] = specialColumns.get(columnName);
// Write the index into mSpecialColumnValues negated into mColumnMapping
mColumnMapping[i] = -(specialColumnCount + 1);
specialColumnCount++;
} else {
mColumnMapping[i] = columnIndex++;
}
}
}
@Override
public byte[] getBlob(int columnIndex) {
int realColumnIndex = mColumnMapping[columnIndex];
if (realColumnIndex < 0) {
throw new RuntimeException("Special column can only be retrieved as string.");
}
return super.getBlob(realColumnIndex);
}
@Override
public int getColumnCount() {
return mColumnMapping.length;
}
@Override
public int getColumnIndex(String columnName) {
for (int i = 0, len = mColumnNames.length; i < len; i++) {
if (mColumnNames[i].equals(columnName)) {
return i;
}
}
return super.getColumnIndex(columnName);
}
@Override
public int getColumnIndexOrThrow(String columnName) throws IllegalArgumentException {
int index = getColumnIndex(columnName);
if (index == -1) {
throw new IllegalArgumentException("Unknown column name");
}
return index;
}
@Override
public String getColumnName(int columnIndex) {
return mColumnNames[columnIndex];
}
@Override
public String[] getColumnNames() {
return mColumnNames.clone();
}
@Override
public double getDouble(int columnIndex) {
int realColumnIndex = mColumnMapping[columnIndex];
if (realColumnIndex < 0) {
throw new RuntimeException("Special column can only be retrieved as string.");
}
return super.getDouble(realColumnIndex);
}
@Override
public float getFloat(int columnIndex) {
int realColumnIndex = mColumnMapping[columnIndex];
if (realColumnIndex < 0) {
throw new RuntimeException("Special column can only be retrieved as string.");
}
return super.getFloat(realColumnIndex);
}
@Override
public int getInt(int columnIndex) {
int realColumnIndex = mColumnMapping[columnIndex];
if (realColumnIndex < 0) {
throw new RuntimeException("Special column can only be retrieved as string.");
}
return super.getInt(realColumnIndex);
}
@Override
public long getLong(int columnIndex) {
int realColumnIndex = mColumnMapping[columnIndex];
if (realColumnIndex < 0) {
throw new RuntimeException("Special column can only be retrieved as string.");
}
return super.getLong(realColumnIndex);
}
@Override
public short getShort(int columnIndex) {
int realColumnIndex = mColumnMapping[columnIndex];
if (realColumnIndex < 0) {
throw new RuntimeException("Special column can only be retrieved as string.");
}
return super.getShort(realColumnIndex);
}
@Override
public String getString(int columnIndex) {
int realColumnIndex = mColumnMapping[columnIndex];
if (realColumnIndex < 0) {
return mSpecialColumnValues[-realColumnIndex - 1];
}
return super.getString(realColumnIndex);
}
@TargetApi(11)
@Override
public int getType(int columnIndex) {
int realColumnIndex = mColumnMapping[columnIndex];
if (realColumnIndex < 0) {
return FIELD_TYPE_STRING;
}
return super.getType(realColumnIndex);
}
@Override
public boolean isNull(int columnIndex) {
int realColumnIndex = mColumnMapping[columnIndex];
if (realColumnIndex < 0) {
return (mSpecialColumnValues[-realColumnIndex - 1] == null);
}
return super.isNull(realColumnIndex);
}
}
}