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/*
* Copyright (C) 2012 Google Inc.
* Licensed to 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.provider;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import com.android.email.R;
import com.android.emailcommon.provider.Account;
import com.android.emailcommon.provider.EmailContent;
import com.android.emailcommon.provider.Mailbox;
import com.android.emailcommon.provider.EmailContent.AccountColumns;
import com.android.emailcommon.provider.EmailContent.MailboxColumns;
import com.android.mail.providers.Folder;
import com.android.mail.utils.LogUtils;
public class FolderPickerActivity extends Activity implements FolderPickerCallback {
private static final String TAG = "FolderPickerActivity";
public static final String MAILBOX_TYPE_EXTRA = "mailbox_type";
private long mAccountId;
private int mMailboxType;
private AccountObserver mAccountObserver;
private String mAccountName;
private boolean mInSetup = true;
@Override
public void onCreate(Bundle bundle) {
super.onCreate(bundle);
Intent i = getIntent();
Uri uri = i.getData();
int headerId;
final com.android.mail.providers.Account uiAccount;
// If we've gotten a Uri, then this is a call from the UI in response to setupIntentUri
// in an account (meaning the account requires setup)
if (uri != null) {
String id = uri.getQueryParameter("account");
if (id == null) {
LogUtils.w(TAG, "No account # in Uri?");
finish();
return;
}
try {
mAccountId = Long.parseLong(id);
} catch (NumberFormatException e) {
LogUtils.w(TAG, "Invalid account # in Uri?");
finish();
return;
}
// We act a bit differently if we're coming to set up the trash after account creation
mInSetup = !i.hasExtra(MAILBOX_TYPE_EXTRA);
mMailboxType = i.getIntExtra(MAILBOX_TYPE_EXTRA, Mailbox.TYPE_TRASH);
long trashMailboxId = Mailbox.findMailboxOfType(this, mAccountId, Mailbox.TYPE_TRASH);
// If we already have a trash mailbox, we're done (if in setup; a race?)
if (trashMailboxId != Mailbox.NO_MAILBOX && mInSetup) {
LogUtils.w(TAG, "Trash folder already exists");
finish();
return;
}
Account account = Account.restoreAccountWithId(this, mAccountId);
if (account == null) {
LogUtils.w(TAG, "No account?");
finish();
} else {
mAccountName = account.mDisplayName;
// Two possibilities here; either we have our folder list, or we don't
if ((account.mFlags & Account.FLAGS_INITIAL_FOLDER_LIST_LOADED) != 0) {
// If we've got them, just start up the picker dialog
startPickerForAccount();
} else {
// Otherwise, wait for the folders to show up
waitForFolders();
}
}
} else {
// In this case, we're coming from Settings
uiAccount = i.getParcelableExtra(EmailProvider.PICKER_UI_ACCOUNT);
mAccountName = uiAccount.getDisplayName();
mAccountId = Long.parseLong(uiAccount.uri.getLastPathSegment());
mMailboxType = i.getIntExtra(EmailProvider.PICKER_MAILBOX_TYPE, -1);
headerId = i.getIntExtra(EmailProvider.PICKER_HEADER_ID, 0);
if (headerId == 0) {
finish();
return;
}
startPicker(uiAccount.folderListUri, headerId);
}
}
@Override
public void onDestroy() {
super.onDestroy();
// Clean up
if (mAccountObserver != null) {
getContentResolver().unregisterContentObserver(mAccountObserver);
mAccountObserver = null;
}
if (mWaitingForFoldersDialog != null) {
mWaitingForFoldersDialog.dismiss();
mWaitingForFoldersDialog = null;
}
}
private class AccountObserver extends ContentObserver {
private final Context mContext;
public AccountObserver(Context context, Handler handler) {
super(handler);
mContext = context;
}
@Override
public void onChange(boolean selfChange) {
Account account = Account.restoreAccountWithId(mContext, mAccountId);
// All we care about is whether the folder list is now loaded
if ((account.mFlags & Account.FLAGS_INITIAL_FOLDER_LIST_LOADED) != 0 &&
(mAccountObserver != null)) {
mContext.getContentResolver().unregisterContentObserver(mAccountObserver);
mAccountObserver = null;
// Bring down the ProgressDialog and show the picker
if (mWaitingForFoldersDialog != null) {
mWaitingForFoldersDialog.dismiss();
mWaitingForFoldersDialog = null;
}
startPickerForAccount();
}
}
}
private ProgressDialog mWaitingForFoldersDialog;
private void waitForFolders() {
/// Show "Waiting for folders..." dialog
mWaitingForFoldersDialog = new ProgressDialog(this);
mWaitingForFoldersDialog.setIndeterminate(true);
mWaitingForFoldersDialog.setMessage(getString(R.string.account_waiting_for_folders_msg));
mWaitingForFoldersDialog.show();
// Listen for account changes
mAccountObserver = new AccountObserver(this, new Handler());
Uri uri = ContentUris.withAppendedId(Account.CONTENT_URI, mAccountId);
getContentResolver().registerContentObserver(uri, false, mAccountObserver);
}
private void startPickerForAccount() {
int headerId = R.string.trash_folder_selection_title;
Uri uri = Uri.parse("content://" + EmailContent.AUTHORITY + "/uifullfolders/" + mAccountId);
startPicker(uri, headerId);
}
private void startPicker(Uri uri, int headerId) {
String header = getString(headerId, mAccountName);
FolderPickerDialog dialog =
new FolderPickerDialog(this, uri, this, header, !mInSetup);
dialog.show();
}
@Override
public void select(Folder folder) {
String folderId = folder.folderUri.fullUri.getLastPathSegment();
Long id = Long.parseLong(folderId);
ContentValues values = new ContentValues();
// If we already have a mailbox of this type, change it back to generic mail type
Mailbox ofType = Mailbox.restoreMailboxOfType(this, mAccountId, mMailboxType);
if (ofType != null) {
values.put(MailboxColumns.TYPE, Mailbox.TYPE_MAIL);
getContentResolver().update(
ContentUris.withAppendedId(Mailbox.CONTENT_URI, ofType.mId), values,
null, null);
}
// Change this mailbox to be of the desired type
Mailbox mailbox = Mailbox.restoreMailboxWithId(this, id);
if (mailbox != null) {
values.put(MailboxColumns.TYPE, mMailboxType);
getContentResolver().update(
ContentUris.withAppendedId(Mailbox.CONTENT_URI, mailbox.mId), values,
null, null);
values.clear();
// Touch the account so that UI won't bring up this picker again
Account account = Account.restoreAccountWithId(this, mAccountId);
values.put(AccountColumns.FLAGS, account.mFlags);
getContentResolver().update(
ContentUris.withAppendedId(Account.CONTENT_URI, account.mId), values,
null, null);
}
finish();
}
@Override
public void cancel() {
finish();
}
}
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