/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the examples of the Qt Mobility Components. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor ** the names of its contributors may be used to endorse or promote ** products derived from this software without specific prior written ** permission. ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** $QT_END_LICENSE$ ** ****************************************************************************/ #include <QtGui> #include <qservicemanager.h> #include <qserviceinterfacedescriptor.h> #include "servicebrowser.h" Q_DECLARE_METATYPE(QServiceInterfaceDescriptor) ServiceBrowser::ServiceBrowser(QWidget *parent, Qt::WindowFlags flags) : QWidget(parent, flags) { serviceManager = new QServiceManager(this); systemManager = new QServiceManager(QService::SystemScope); registerExampleServices(); initWidgets(); reloadServicesList(); setWindowTitle(tr("Services Browser")); } ServiceBrowser::~ServiceBrowser() { unregisterExampleServices(); } void ServiceBrowser::currentInterfaceImplChanged(QListWidgetItem *current, QListWidgetItem *previous) { Q_UNUSED(previous); if (!current) return; reloadAttributesList(); reloadAttributesRadioButtonText(); QServiceInterfaceDescriptor descriptor = current->data(Qt::UserRole).value<QServiceInterfaceDescriptor>(); if (descriptor.isValid()) { #if defined(Q_WS_MAEMO_5) defaultInterfaceButton->setText(tr("Set as default implementation for \n%1").arg(descriptor.interfaceName())); #else defaultInterfaceButton->setText(tr("Set as default implementation for %1").arg(descriptor.interfaceName())); #endif //TODO: .arg(descriptor.interfaceName())); defaultInterfaceButton->setEnabled(true); } } void ServiceBrowser::reloadServicesList() { servicesListWidget->clear(); QSet<QString> services; QList<QServiceInterfaceDescriptor> descriptors = serviceManager->findInterfaces(); for (int i=0; i<descriptors.count(); i++) { QString service = descriptors[i].serviceName(); if (descriptors[i].scope() == QService::SystemScope) service += tr(" (system)"); services << service; } foreach (const QString& service, services) servicesListWidget->addItem(service); servicesListWidget->sortItems(); servicesListWidget->addItem(showAllServicesItem); } void ServiceBrowser::reloadInterfaceImplementationsList() { QString serviceName; if (servicesListWidget->currentItem() && servicesListWidget->currentItem() != showAllServicesItem) { serviceName = servicesListWidget->currentItem()->text(); interfacesGroup->setTitle(tr("Interfaces implemented by %1").arg(serviceName)); } else { interfacesGroup->setTitle(tr("All interface implementations")); } QServiceManager *manager = serviceManager; if (serviceName.endsWith(" (system)")) { serviceName.chop(9); manager = systemManager; } QList<QServiceInterfaceDescriptor> descriptors = manager->findInterfaces(serviceName); attributesListWidget->clear(); interfacesListWidget->clear(); for (int i=0; i<descriptors.count(); i++) { if (descriptors[i].scope() != manager->scope() && !serviceName.isEmpty()) continue; QString text = QString("%1 %2.%3") .arg(descriptors[i].interfaceName()) .arg(descriptors[i].majorVersion()) .arg(descriptors[i].minorVersion()); QServiceInterfaceDescriptor defaultInterfaceImpl = manager->interfaceDefault(descriptors[i].interfaceName()); if (serviceName.isEmpty()) { text += " (" + descriptors[i].serviceName() + ")"; if (descriptors[i].scope() == QService::SystemScope) { text += tr(" (system"); defaultInterfaceImpl = systemManager->interfaceDefault(descriptors[i].interfaceName()); if (descriptors[i] == defaultInterfaceImpl) text += tr(" default)"); else text += ")"; defaultInterfaceImpl = QServiceInterfaceDescriptor(); } } if (descriptors[i] == defaultInterfaceImpl) text += tr(" (default)"); QListWidgetItem *item = new QListWidgetItem(text); item->setData(Qt::UserRole, qVariantFromValue(descriptors[i])); interfacesListWidget->addItem(item); } defaultInterfaceButton->setEnabled(false); } void ServiceBrowser::reloadAttributesList() { QListWidgetItem *item = interfacesListWidget->currentItem(); if (!item) return; QServiceInterfaceDescriptor selectedImpl = item->data(Qt::UserRole).value<QServiceInterfaceDescriptor>(); QObject *implementationRef; if (selectedImplRadioButton->isChecked()) implementationRef = serviceManager->loadInterface(selectedImpl, 0, 0); else implementationRef = serviceManager->loadInterface(selectedImpl.interfaceName(), 0, 0); attributesListWidget->clear(); if (!implementationRef) { attributesListWidget->addItem(tr("(Error loading service plugin)")); return; } const QMetaObject *metaObject = implementationRef->metaObject(); attributesGroup->setTitle(tr("Invokable attributes for %1 class") .arg(QString(metaObject->className()))); for (int i=0; i<metaObject->methodCount(); i++) { QMetaMethod method = metaObject->method(i); attributesListWidget->addItem("[METHOD] " + QString(method.signature())); } for (int i=0; i<metaObject->propertyCount(); i++) { QMetaProperty property = metaObject->property(i); attributesListWidget->addItem("[PROPERTY] " + QString(property.name())); } } void ServiceBrowser::setDefaultInterfaceImplementation() { QListWidgetItem *item = interfacesListWidget->currentItem(); if (!item) return; QServiceInterfaceDescriptor descriptor = item->data(Qt::UserRole).value<QServiceInterfaceDescriptor>(); if (descriptor.isValid()) { QServiceManager *manager = serviceManager; if (descriptor.scope() == QService::SystemScope) manager = systemManager; if (manager->setInterfaceDefault(descriptor)) { int currentIndex = interfacesListWidget->row(item); reloadInterfaceImplementationsList(); interfacesListWidget->setCurrentRow(currentIndex); } else { qWarning() << "Unable to set default service for interface:" << descriptor.interfaceName(); } } } void ServiceBrowser::registerExampleServices() { // QStringList exampleXmlFiles; // exampleXmlFiles << "filemanagerservice.xml" << "bluetoothtransferservice.xml" << "notesmanagerservice.xml"; // foreach (const QString &fileName, exampleXmlFiles) { // const QString path = QCoreApplication::applicationDirPath() + "/xmldata/" + fileName; // serviceManager->addService(path); // } } void ServiceBrowser::unregisterExampleServices() { // serviceManager->removeService("FileManagerService"); // serviceManager->removeService("BluetoothTransferService"); // serviceManager->removeService("NotesManagerService"); } void ServiceBrowser::reloadAttributesRadioButtonText() { QListWidgetItem *item = interfacesListWidget->currentItem(); if (!item) return; QServiceInterfaceDescriptor selectedImpl = item->data(Qt::UserRole).value<QServiceInterfaceDescriptor>(); QServiceInterfaceDescriptor defaultImpl = serviceManager->interfaceDefault(selectedImpl.interfaceName()); defaultImplRadioButton->setText(tr("Default implementation for %1\n(currently provided by %2)") .arg(defaultImpl.interfaceName()) .arg(defaultImpl.serviceName())); } void ServiceBrowser::initWidgets() { showAllServicesItem = new QListWidgetItem(tr("(All registered services)")); servicesListWidget = new QListWidget; interfacesListWidget = new QListWidget; interfacesListWidget->addItem(tr("(Select a service)")); attributesListWidget = new QListWidget; attributesListWidget->addItem(tr("(Select an interface implementation)")); #if !defined(Q_OS_SYMBIAN) && !defined(Q_WS_MAEMO_5) interfacesListWidget->setMinimumWidth(450); #else interfacesListWidget->setMaximumWidth(360); #endif connect(servicesListWidget, SIGNAL(currentItemChanged(QListWidgetItem*,QListWidgetItem*)), this, SLOT(reloadInterfaceImplementationsList())); connect(interfacesListWidget, SIGNAL(currentItemChanged(QListWidgetItem*,QListWidgetItem*)), this, SLOT(currentInterfaceImplChanged(QListWidgetItem*,QListWidgetItem*))); defaultInterfaceButton = new QPushButton(tr("Set as default implementation")); defaultInterfaceButton->setEnabled(false); connect(defaultInterfaceButton, SIGNAL(clicked()), this, SLOT(setDefaultInterfaceImplementation())); selectedImplRadioButton = new QRadioButton(tr("Selected interface implementation")); defaultImplRadioButton = new QRadioButton(tr("Default implementation")); selectedImplRadioButton->setChecked(true); QButtonGroup *radioButtons = new QButtonGroup(this); radioButtons->addButton(selectedImplRadioButton); radioButtons->addButton(defaultImplRadioButton); connect(radioButtons, SIGNAL(buttonClicked(QAbstractButton*)), this, SLOT(reloadAttributesList())); QGroupBox *servicesGroup = new QGroupBox(tr("Show services for:")); QVBoxLayout *servicesLayout = new QVBoxLayout; servicesLayout->addWidget(servicesListWidget); servicesGroup->setLayout(servicesLayout); interfacesGroup = new QGroupBox(tr("Interface implementations")); QVBoxLayout *interfacesLayout = new QVBoxLayout; interfacesLayout->addWidget(interfacesListWidget); interfacesLayout->addWidget(defaultInterfaceButton); interfacesGroup->setLayout(interfacesLayout); attributesGroup = new QGroupBox(tr("Invokable attributes")); QVBoxLayout *attributesLayout = new QVBoxLayout; attributesLayout->addWidget(attributesListWidget); #if !defined(Q_WS_MAEMO_5) // No space on the screen to show following title in Maemo attributesLayout->addWidget(new QLabel(tr("Show attributes for:"))); #endif attributesLayout->addWidget(selectedImplRadioButton); attributesLayout->addWidget(defaultImplRadioButton); attributesGroup->setLayout(attributesLayout); #if defined(Q_WS_MAEMO_5) // Maemo 5 style doesn't take group box titles into account. int spacingHack = QFontMetrics(QFont()).height(); interfacesLayout->setContentsMargins(0, spacingHack, 0, 0); attributesLayout->setContentsMargins(0, spacingHack, 0, 0); servicesLayout->setContentsMargins(0, spacingHack, 0, 0); #endif #if !defined(Q_OS_SYMBIAN) && !defined(Q_WS_MAEMO_5) QGridLayout *layout = new QGridLayout; layout->addWidget(servicesGroup, 0, 0); layout->addWidget(attributesGroup, 0, 1, 2, 1); layout->addWidget(interfacesGroup, 1, 0); #else QVBoxLayout *layout = new QVBoxLayout; QStackedLayout *stackedLayout = new QStackedLayout; stackedLayout->addWidget(servicesGroup); stackedLayout->addWidget(interfacesGroup); stackedLayout->addWidget(attributesGroup); QComboBox *pageComboBox = new QComboBox; pageComboBox->addItem(tr("Services")); pageComboBox->addItem(tr("Interfaces")); pageComboBox->addItem(tr("Attributes")); connect(pageComboBox, SIGNAL(activated(int)), stackedLayout, SLOT(setCurrentIndex(int))); layout->addWidget(pageComboBox); layout->addLayout(stackedLayout); #endif setLayout(layout); }
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