qtmobility/src/messaging/maemohelpers.cpp
changeset 1 2b40d63a9c3d
child 4 90517678cc4f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/src/messaging/maemohelpers.cpp	Fri Apr 16 15:51:22 2010 +0300
@@ -0,0 +1,248 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "maemohelpers_p.h"
+#include "qmessagefilter_p.h"
+#include "qmessagesortorder_p.h"
+#include "qmessageaccountfilter_p.h"
+#include "qmessageaccountsortorder_p.h"
+#include "qmessagefolderfilter_p.h"
+#include "qmessagefoldersortorder_p.h"
+#include "qmessagestore.h"
+
+QTM_BEGIN_NAMESPACE
+
+Q_GLOBAL_STATIC(MessagingHelper, messagingHelper);
+
+MessagingHelper* MessagingHelper::instance()
+{
+    return messagingHelper();
+}
+
+MessagingHelper::MessagingHelper()
+{
+}
+
+MessagingHelper::~MessagingHelper()
+{
+}
+
+
+void MessagingHelper::filterAccounts(QMessageAccountIdList& accountIds, const QMessageAccountFilter& filter)
+{
+    QMessageAccountFilterPrivate* pf = QMessageAccountFilterPrivate::implementation(filter);
+    if ((pf->_field == QMessageAccountFilterPrivate::None) &&
+        (pf->_filterList.count() == 0)) {
+        if (pf->_notFilter) {
+            // There is only one filter: empty ~QMessageFilter()
+            // => accountIds must be cleared
+            accountIds.clear();
+            return;
+        } else {
+            // There is only one filter: empty QMessageFilter()
+            // => accountIds list can remain intact
+            return;
+        }
+    }
+
+    if (pf->_valid) {
+        QMessageStore* store = QMessageStore::instance();
+        for (int i=accountIds.count()-1; i >= 0; i--) {
+            QMessageAccount account = store->account(accountIds[i]);
+            if (!pf->filter(account)) {
+                accountIds.removeAt(i);
+            }
+        }
+    }
+}
+
+bool MessagingHelper::accountLessThan(const QMessageAccountId accountId1, const QMessageAccountId accountId2)
+{
+    QMessageStore* store = QMessageStore::instance();
+    return QMessageAccountSortOrderPrivate::lessThan(*messagingHelper()->m_AccountSortOrder,
+                                                     store->account(accountId1),
+                                                     store->account(accountId2));
+}
+
+void MessagingHelper::orderAccounts(QMessageAccountIdList& accountIds, const QMessageAccountSortOrder &sortOrder)
+{
+    messagingHelper()->m_AccountSortOrder = (QMessageAccountSortOrder*)&sortOrder;
+    qSort(accountIds.begin(), accountIds.end(), MessagingHelper::accountLessThan);
+}
+
+void MessagingHelper::applyOffsetAndLimitToAccountIdList(QMessageAccountIdList& accountIds, int limit, int offset)
+{
+    if (offset > 0) {
+        if (offset > accountIds.count()) {
+            accountIds.clear();
+        } else {
+            for (int i = 0; i < offset; i++) {
+                accountIds.removeFirst();
+            }
+        }
+    }
+    if (limit > 0) {
+        for (int i = accountIds.count()-1; i >= limit; i--) {
+            accountIds.removeAt(i);
+        }
+    }
+}
+
+void MessagingHelper::filterFolders(QMessageFolderIdList& folderIds, const QMessageFolderFilter& filter)
+{
+    QMessageFolderFilterPrivate* pf = QMessageFolderFilterPrivate::implementation(filter);
+    if ((pf->_field == QMessageFolderFilterPrivate::None) &&
+        (pf->_filterList.count() == 0)) {
+        if (pf->_notFilter) {
+            // There is only one filter: empty ~QMessageFilter()
+            // => accountIds must be cleared
+            folderIds.clear();
+            return;
+        } else {
+            // There is only one filter: empty QMessageFilter()
+            // => accountIds list can remain intact
+            return;
+        }
+    }
+
+    if (pf->_valid) {
+        QMessageStore* store = QMessageStore::instance();
+        for (int i=folderIds.count()-1; i >= 0; i--) {
+            QMessageFolder folder = store->folder(folderIds[i]);
+            if (!pf->filter(folder)) {
+                folderIds.removeAt(i);
+            }
+        }
+    }
+}
+
+bool MessagingHelper::folderLessThan(const QMessageFolderId folderId1, const QMessageFolderId folderId2)
+{
+    QMessageStore* store = QMessageStore::instance();
+    return QMessageFolderSortOrderPrivate::lessThan(*messagingHelper()->m_FolderSortOrder,
+                                                    store->folder(folderId1),
+                                                    store->folder(folderId2));
+}
+
+void MessagingHelper::orderFolders(QMessageFolderIdList& folderIds,  const QMessageFolderSortOrder &sortOrder)
+{
+    messagingHelper()->m_FolderSortOrder = (QMessageFolderSortOrder*)&sortOrder;
+    qSort(folderIds.begin(), folderIds.end(), MessagingHelper::folderLessThan);
+}
+
+void MessagingHelper::applyOffsetAndLimitToFolderIdList(QMessageFolderIdList& folderIds, int limit, int offset)
+{
+    if (offset > 0) {
+        if (offset > folderIds.count()) {
+            folderIds.clear();
+        } else {
+            for (int i = 0; i < offset; i++) {
+                folderIds.removeFirst();
+            }
+        }
+    }
+    if (limit > 0) {
+        for (int i = folderIds.count()-1; i >= limit; i--) {
+            folderIds.removeAt(i);
+        }
+    }
+}
+
+void MessagingHelper::filterMessages(QMessageIdList& messageIds, const QMessageFilter& filter)
+{
+    QMessageFilterPrivate* pf = QMessageFilterPrivate::implementation(filter);
+    if ((pf->_field == QMessageFilterPrivate::None) &&
+        (pf->_filterList.count() == 0)) {
+        if (pf->_notFilter) {
+            // There is only one filter: empty ~QMessageFilter()
+            // => accountIds must be cleared
+            messageIds.clear();
+            return;
+        } else {
+            // There is only one filter: empty QMessageFilter()
+            // => accountIds list can remain intact
+            return;
+        }
+    }
+
+    if (pf->_valid) {
+        QMessageStore* store = QMessageStore::instance();
+        for (int i=messageIds.count()-1; i >= 0; i--) {
+            QMessage message = store->message(messageIds[i]);
+            if (!pf->filter(message)) {
+                messageIds.removeAt(i);
+            }
+        }
+    }
+}
+
+bool MessagingHelper::messageLessThan(const QMessageId messageId1, const QMessageId messageId2)
+{
+    QMessageStore* store = QMessageStore::instance();
+    return QMessageSortOrderPrivate::lessThan(*messagingHelper()->m_MessageSortOrder,
+                                              store->message(messageId1),
+                                              store->message(messageId2));
+}
+
+void MessagingHelper::orderMessages(QMessageIdList& messageIds,  const QMessageSortOrder &sortOrder)
+{
+    messagingHelper()->m_MessageSortOrder = (QMessageSortOrder*)&sortOrder;
+    qSort(messageIds.begin(), messageIds.end(), MessagingHelper::messageLessThan);
+}
+
+void MessagingHelper::applyOffsetAndLimitToMessageIdList(QMessageIdList& messageIds, int limit, int offset)
+{
+    if (offset > 0) {
+        if (offset > messageIds.count()) {
+            messageIds.clear();
+        } else {
+            for (int i = 0; i < offset; i++) {
+                messageIds.removeFirst();
+            }
+        }
+    }
+    if (limit > 0) {
+        for (int i = messageIds.count()-1; i >= limit; i--) {
+            messageIds.removeAt(i);
+        }
+    }
+}
+
+QTM_END_NAMESPACE