mirror of
https://github.com/M66B/FairEmail.git
synced 2024-12-25 01:06:04 +00:00
Added browse view model
This commit is contained in:
parent
dcd6b7c384
commit
e0393c9739
3 changed files with 201 additions and 162 deletions
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@ -23,53 +23,20 @@ import android.content.Context;
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import android.os.Handler;
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import android.util.Log;
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import com.sun.mail.imap.IMAPFolder;
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import com.sun.mail.imap.IMAPMessage;
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import com.sun.mail.imap.IMAPStore;
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import com.sun.mail.util.FolderClosedIOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Properties;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import javax.mail.FetchProfile;
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import javax.mail.Folder;
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import javax.mail.FolderClosedException;
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import javax.mail.Message;
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import javax.mail.MessageRemovedException;
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import javax.mail.Session;
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import javax.mail.UIDFolder;
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import javax.mail.search.BodyTerm;
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import javax.mail.search.FromStringTerm;
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import javax.mail.search.OrTerm;
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import javax.mail.search.RecipientStringTerm;
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import javax.mail.search.SubjectTerm;
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import androidx.lifecycle.GenericLifecycleObserver;
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import androidx.lifecycle.Lifecycle;
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import androidx.lifecycle.LifecycleOwner;
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import androidx.paging.PagedList;
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public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMessageEx> {
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private Context context;
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private long fid;
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private String search;
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private int pageSize;
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private ViewModelBrowse model;
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private Handler handler;
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private IBoundaryCallbackMessages intf;
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private ExecutorService executor = Executors.newSingleThreadExecutor(Helper.backgroundThreadFactory);
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private IMAPStore istore = null;
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private IMAPFolder ifolder = null;
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private Message[] imessages = null;
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private List<Long> existing = new ArrayList<>();
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private int index;
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private boolean searching = false;
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private int loaded = 0;
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interface IBoundaryCallbackMessages {
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void onLoading();
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@ -78,53 +45,31 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
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void onError(Context context, Throwable ex);
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}
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BoundaryCallbackMessages(Context _context, LifecycleOwner owner, long folder, String search, int pageSize, IBoundaryCallbackMessages intf) {
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this.context = _context;
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this.fid = folder;
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this.search = search;
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this.pageSize = pageSize;
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BoundaryCallbackMessages(LifecycleOwner owner, ViewModelBrowse _model, IBoundaryCallbackMessages intf) {
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this.model = _model;
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this.handler = new Handler();
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this.intf = intf;
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owner.getLifecycle().addObserver(new GenericLifecycleObserver() {
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@Override
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public void onStateChanged(LifecycleOwner source, Lifecycle.Event event) {
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if (event == Lifecycle.Event.ON_DESTROY) {
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if (event == Lifecycle.Event.ON_DESTROY)
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executor.submit(new Runnable() {
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@Override
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public void run() {
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Log.i(Helper.TAG, "Boundary close");
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DB db = DB.getInstance(context);
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for (long id : existing)
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db.message().setMessageFound(id, false);
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db.message().deleteFoundMessages();
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try {
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if (istore != null)
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istore.close();
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} catch (Throwable ex) {
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Log.e(Helper.TAG, "Boundary " + ex + "\n" + Log.getStackTraceString(ex));
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} finally {
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context = null;
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istore = null;
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ifolder = null;
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imessages = null;
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existing.clear();
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}
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model.clear();
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}
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});
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}
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}
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});
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}
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boolean isSearching() {
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return searching;
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return model.isSearching();
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}
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int getLoaded() {
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return loaded;
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return model.getLoaded();
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}
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@Override
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@ -144,116 +89,22 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
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@Override
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public void run() {
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try {
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searching = true;
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handler.post(new Runnable() {
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@Override
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public void run() {
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intf.onLoading();
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}
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});
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DB db = DB.getInstance(context);
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EntityFolder folder = db.folder().getFolder(fid);
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if (folder.account == null) // outbox
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return;
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EntityAccount account = db.account().getAccount(folder.account);
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if (imessages == null) {
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Properties props = MessageHelper.getSessionProperties(account.auth_type);
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props.setProperty("mail.imap.throwsearchexception", "true");
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Session isession = Session.getInstance(props, null);
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Log.i(Helper.TAG, "Boundary connecting account=" + account.name);
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istore = (IMAPStore) isession.getStore("imaps");
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Helper.connect(context, istore, account);
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Log.i(Helper.TAG, "Boundary opening folder=" + folder.name);
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ifolder = (IMAPFolder) istore.getFolder(folder.name);
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ifolder.open(Folder.READ_WRITE);
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Log.i(Helper.TAG, "Boundary searching=" + search);
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if (search == null)
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imessages = ifolder.getMessages();
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else
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imessages = ifolder.search(
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new OrTerm(
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new OrTerm(
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new FromStringTerm(search),
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new RecipientStringTerm(Message.RecipientType.TO, search)
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),
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new OrTerm(
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new SubjectTerm(search),
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new BodyTerm(search)
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)
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)
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);
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Log.i(Helper.TAG, "Boundary found messages=" + imessages.length);
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index = imessages.length - 1;
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}
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int count = 0;
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while (index >= 0 && count < pageSize) {
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Log.i(Helper.TAG, "Boundary index=" + index);
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int from = Math.max(0, index - (pageSize - count) + 1);
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Message[] isub = Arrays.copyOfRange(imessages, from, index + 1);
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index -= (pageSize - count);
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FetchProfile fp = new FetchProfile();
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fp.add(FetchProfile.Item.ENVELOPE);
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fp.add(FetchProfile.Item.FLAGS);
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fp.add(FetchProfile.Item.CONTENT_INFO); // body structure
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fp.add(UIDFolder.FetchProfileItem.UID);
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fp.add(IMAPFolder.FetchProfileItem.HEADERS);
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fp.add(FetchProfile.Item.SIZE);
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fp.add(IMAPFolder.FetchProfileItem.INTERNALDATE);
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ifolder.fetch(isub, fp);
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try {
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db.beginTransaction();
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for (int j = isub.length - 1; j >= 0; j--)
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try {
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long uid = ifolder.getUID(isub[j]);
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Log.i(Helper.TAG, "Boundary sync uid=" + uid);
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EntityMessage message = db.message().getMessageByUid(fid, uid);
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if (message == null) {
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ServiceSynchronize.synchronizeMessage(context, folder, ifolder, (IMAPMessage) isub[j], search != null);
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count++;
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loaded++;
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} else if (search != null) {
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existing.add(message.id);
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db.message().setMessageFound(message.id, true);
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}
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} catch (MessageRemovedException ex) {
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Log.w(Helper.TAG, "Boundary " + ex + "\n" + Log.getStackTraceString(ex));
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} catch (FolderClosedException ex) {
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throw ex;
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} catch (FolderClosedIOException ex) {
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throw ex;
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} catch (Throwable ex) {
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Log.e(Helper.TAG, "Boundary " + ex + "\n" + Log.getStackTraceString(ex));
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} finally {
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((IMAPMessage) isub[j]).invalidateHeaders();
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}
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db.setTransactionSuccessful();
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} finally {
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db.endTransaction();
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}
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}
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Log.i(Helper.TAG, "Boundary done");
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model.load();
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} catch (final Throwable ex) {
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Log.e(Helper.TAG, "Boundary " + ex + "\n" + Log.getStackTraceString(ex));
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handler.post(new Runnable() {
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@Override
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public void run() {
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intf.onError(context, ex);
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intf.onError(model.getContext(), ex);
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}
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});
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} finally {
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searching = false;
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handler.post(new Runnable() {
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@Override
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public void run() {
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@ -741,6 +741,9 @@ public class FragmentMessages extends FragmentEx {
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private void loadMessages() {
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final DB db = DB.getInstance(getContext());
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ViewModelBrowse model = ViewModelProviders.of(this).get(ViewModelBrowse.class);
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model.set(getContext(), folder, search, REMOTE_PAGE_SIZE);
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// Observe folder/messages/search
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if (TextUtils.isEmpty(search)) {
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
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@ -758,8 +761,7 @@ public class FragmentMessages extends FragmentEx {
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case FOLDER:
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if (searchCallback == null)
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searchCallback = new BoundaryCallbackMessages(
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getContext(), this,
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folder, null, REMOTE_PAGE_SIZE,
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this, model,
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new BoundaryCallbackMessages.IBoundaryCallbackMessages() {
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@Override
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public void onLoading() {
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} else {
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if (searchCallback == null)
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searchCallback = new BoundaryCallbackMessages(
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getContext(), this,
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folder, search, REMOTE_PAGE_SIZE,
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this, model,
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new BoundaryCallbackMessages.IBoundaryCallbackMessages() {
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@Override
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public void onLoading() {
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187
app/src/main/java/eu/faircode/email/ViewModelBrowse.java
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187
app/src/main/java/eu/faircode/email/ViewModelBrowse.java
Normal file
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@ -0,0 +1,187 @@
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package eu.faircode.email;
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import android.content.Context;
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import android.util.Log;
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import com.sun.mail.imap.IMAPFolder;
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import com.sun.mail.imap.IMAPMessage;
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import com.sun.mail.imap.IMAPStore;
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import com.sun.mail.util.FolderClosedIOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Properties;
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import javax.mail.FetchProfile;
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import javax.mail.Folder;
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import javax.mail.FolderClosedException;
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import javax.mail.Message;
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import javax.mail.MessageRemovedException;
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import javax.mail.MessagingException;
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import javax.mail.Session;
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import javax.mail.UIDFolder;
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import javax.mail.search.BodyTerm;
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import javax.mail.search.FromStringTerm;
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import javax.mail.search.OrTerm;
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import javax.mail.search.RecipientStringTerm;
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import javax.mail.search.SubjectTerm;
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import androidx.lifecycle.ViewModel;
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public class ViewModelBrowse extends ViewModel {
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private Context context;
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private long fid;
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private String search;
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private int pageSize;
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private IMAPStore istore = null;
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private IMAPFolder ifolder = null;
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private Message[] imessages = null;
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private List<Long> existing = new ArrayList<>();
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private int index;
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private boolean searching = false;
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private int loaded = 0;
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void set(Context context, long folder, String search, int pageSize) {
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this.context = context;
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this.fid = folder;
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this.search = search;
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this.pageSize = pageSize;
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}
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Context getContext() {
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return context;
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}
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boolean isSearching() {
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return searching;
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}
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int getLoaded() {
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return loaded;
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}
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void load() throws MessagingException, FolderClosedIOException {
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try {
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searching = true;
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DB db = DB.getInstance(context);
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EntityFolder folder = db.folder().getFolder(fid);
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if (folder.account == null) // outbox
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return;
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EntityAccount account = db.account().getAccount(folder.account);
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if (imessages == null) {
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Properties props = MessageHelper.getSessionProperties(account.auth_type);
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props.setProperty("mail.imap.throwsearchexception", "true");
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Session isession = Session.getInstance(props, null);
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Log.i(Helper.TAG, "Boundary connecting account=" + account.name);
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istore = (IMAPStore) isession.getStore("imaps");
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Helper.connect(context, istore, account);
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Log.i(Helper.TAG, "Boundary opening folder=" + folder.name);
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ifolder = (IMAPFolder) istore.getFolder(folder.name);
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ifolder.open(Folder.READ_WRITE);
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Log.i(Helper.TAG, "Boundary searching=" + search);
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if (search == null)
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imessages = ifolder.getMessages();
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else
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imessages = ifolder.search(
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new OrTerm(
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new OrTerm(
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new FromStringTerm(search),
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new RecipientStringTerm(Message.RecipientType.TO, search)
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),
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new OrTerm(
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new SubjectTerm(search),
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new BodyTerm(search)
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)
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)
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);
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Log.i(Helper.TAG, "Boundary found messages=" + imessages.length);
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index = imessages.length - 1;
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}
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int count = 0;
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while (index >= 0 && count < pageSize) {
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Log.i(Helper.TAG, "Boundary index=" + index);
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int from = Math.max(0, index - (pageSize - count) + 1);
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Message[] isub = Arrays.copyOfRange(imessages, from, index + 1);
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index -= (pageSize - count);
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FetchProfile fp = new FetchProfile();
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fp.add(FetchProfile.Item.ENVELOPE);
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fp.add(FetchProfile.Item.FLAGS);
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fp.add(FetchProfile.Item.CONTENT_INFO); // body structure
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fp.add(UIDFolder.FetchProfileItem.UID);
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fp.add(IMAPFolder.FetchProfileItem.HEADERS);
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fp.add(FetchProfile.Item.SIZE);
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fp.add(IMAPFolder.FetchProfileItem.INTERNALDATE);
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ifolder.fetch(isub, fp);
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try {
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db.beginTransaction();
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for (int j = isub.length - 1; j >= 0; j--)
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try {
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long uid = ifolder.getUID(isub[j]);
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Log.i(Helper.TAG, "Boundary sync uid=" + uid);
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EntityMessage message = db.message().getMessageByUid(fid, uid);
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if (message == null) {
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ServiceSynchronize.synchronizeMessage(context, folder, ifolder, (IMAPMessage) isub[j], search != null);
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count++;
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loaded++;
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} else if (search != null) {
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existing.add(message.id);
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db.message().setMessageFound(message.id, true);
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}
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} catch (MessageRemovedException ex) {
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Log.w(Helper.TAG, "Boundary " + ex + "\n" + Log.getStackTraceString(ex));
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} catch (FolderClosedException ex) {
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throw ex;
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} catch (FolderClosedIOException ex) {
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throw ex;
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} catch (Throwable ex) {
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Log.e(Helper.TAG, "Boundary " + ex + "\n" + Log.getStackTraceString(ex));
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} finally {
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((IMAPMessage) isub[j]).invalidateHeaders();
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}
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db.setTransactionSuccessful();
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} finally {
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db.endTransaction();
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}
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}
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Log.i(Helper.TAG, "Boundary done");
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} finally {
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searching = false;
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}
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}
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void clear() {
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Log.i(Helper.TAG, "Boundary close");
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DB db = DB.getInstance(context);
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for (long id : existing)
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db.message().setMessageFound(id, false);
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db.message().deleteFoundMessages();
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try {
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if (istore != null)
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istore.close();
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} catch (Throwable ex) {
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Log.e(Helper.TAG, "Boundary " + ex + "\n" + Log.getStackTraceString(ex));
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} finally {
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context = null;
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istore = null;
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ifolder = null;
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imessages = null;
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existing.clear();
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}
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}
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}
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