160 lines
5.3 KiB
C++
160 lines
5.3 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// storage.cpp //
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// //
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// Copyright (C) 2010 Brian Pritchett <batenkaitos@gmail.com> //
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// Copyright (C) 2010 Marco Martin <mart@kde.org> //
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// //
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// This library is free software; you can redistribute it and/or //
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// modify it under the terms of the GNU Lesser General Public //
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// License as published by the Free Software Foundation; either //
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// version 2.1 of the License, or (at your option) any later version. //
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// //
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// This library is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU //
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// Lesser General Public License for more details. //
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// //
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// You should have received a copy of the GNU Lesser General Public //
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// License along with this library; if not, write to the Free Software //
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA //
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// 02110-1301 USA //
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/////////////////////////////////////////////////////////////////////////
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#include "private/storage_p.h"
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//Qt
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#include <QSqlDriver>
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#include <QSqlError>
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#include <QSqlField>
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#include <QSqlQuery>
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#include <QSqlRecord>
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#include <QThreadStorage>
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//KDE
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#include <kdebug.h>
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//Plasma
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#include "applet.h"
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#include "dataengine.h"
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#include "abstractrunner.h"
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#include "storagethread_p.h"
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StorageJob::StorageJob(const QString& destination,
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const QString& operation,
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const QHash<QString, QVariant>& parameters,
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QObject *parent)
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: ServiceJob(destination, operation, parameters, parent),
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m_clientName(destination)
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{
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Plasma::StorageThread::self()->start();
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connect(Plasma::StorageThread::self(), SIGNAL(newResult(StorageJob*,QVariant)), this, SLOT(resultSlot(StorageJob*,QVariant)));
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qRegisterMetaType<StorageJob *>();
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qRegisterMetaType<QWeakPointer<StorageJob> >();
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}
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StorageJob::~StorageJob()
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{
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}
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void StorageJob::setData(const QVariantHash &data)
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{
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m_data = data;
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}
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QVariantHash StorageJob::data() const
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{
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return m_data;
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}
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QString StorageJob::clientName() const
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{
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return m_clientName;
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}
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void StorageJob::start()
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{
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//FIXME: QHASH
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QHash<QString, QVariant> params = parameters();
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QString valueGroup = params["group"].toString();
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if (valueGroup.isEmpty()) {
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valueGroup = "default";
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}
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QWeakPointer<StorageJob> me(this);
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if (operationName() == "save") {
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QMetaObject::invokeMethod(Plasma::StorageThread::self(), "save", Qt::QueuedConnection, Q_ARG(QWeakPointer<StorageJob>, me), Q_ARG(const QVariantHash&, params));
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} else if (operationName() == "retrieve") {
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QMetaObject::invokeMethod(Plasma::StorageThread::self(), "retrieve", Qt::QueuedConnection, Q_ARG(QWeakPointer<StorageJob>, me), Q_ARG(const QVariantHash&, params));
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} else if (operationName() == "delete") {
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QMetaObject::invokeMethod(Plasma::StorageThread::self(), "deleteEntry", Qt::QueuedConnection, Q_ARG(QWeakPointer<StorageJob>, me), Q_ARG(const QVariantHash&, params));
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} else if (operationName() == "expire") {
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QMetaObject::invokeMethod(Plasma::StorageThread::self(), "expire", Qt::QueuedConnection, Q_ARG(QWeakPointer<StorageJob>, me), Q_ARG(const QVariantHash&, params));
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} else {
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setError(true);
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setResult(false);
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}
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}
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void StorageJob::resultSlot(StorageJob *job, const QVariant &result)
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{
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if (job == this) {
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if (result.type() == QVariant::Hash) {
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m_data = result.toHash();
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}
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setResult(result);
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}
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}
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Plasma::ServiceJob* Storage::createJob(const QString &operation, QHash<QString, QVariant> ¶meters)
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{
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if (m_clientName.isEmpty()) {
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return 0;
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}
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return new StorageJob(m_clientName, operation, parameters, this);
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}
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//Storage implementation
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Storage::Storage(QObject* parent)
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: Plasma::Service(parent),
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m_clientName("data")
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{
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//search among parents for an applet or dataengine: if found call the table as its plugin name
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QObject *parentObject = this;
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while ((parentObject = parentObject->parent())) {
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Plasma::Applet *applet = qobject_cast<Plasma::Applet *>(parentObject);
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if (applet) {
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m_clientName = applet->pluginName();
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break;
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}
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Plasma::DataEngine *engine = qobject_cast<Plasma::DataEngine *>(parentObject);
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if (engine) {
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m_clientName = engine->pluginName();
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break;
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}
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Plasma::AbstractRunner *runner = qobject_cast<Plasma::AbstractRunner *>(parentObject);
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if (runner) {
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m_clientName = runner->id();
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break;
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}
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}
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m_clientName = m_clientName.replace('.', "_");
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m_clientName = m_clientName.replace('-', "_");
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setName("storage");
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}
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Storage::~Storage()
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{
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}
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#include "moc_storage_p.cpp"
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