--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/servicebrowser/servicebrowser.cpp Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,310 @@
+/****************************************************************************
+**
+** 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 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);
+
+ 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")
+#else
+ defaultInterfaceButton->setText(tr("Set as default implementation for %1")
+#endif
+ .arg(descriptor.interfaceName()));
+ defaultInterfaceButton->setEnabled(true);
+ }
+}
+
+void ServiceBrowser::reloadServicesList()
+{
+ servicesListWidget->clear();
+
+ QStringList services = serviceManager->findServices();
+ for (int i=0; i<services.count(); i++)
+ servicesListWidget->addItem(services[i]);
+
+ 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"));
+ }
+
+ QList<QServiceInterfaceDescriptor> descriptors = serviceManager->findInterfaces(serviceName);
+
+ attributesListWidget->clear();
+ interfacesListWidget->clear();
+ for (int i=0; i<descriptors.count(); i++) {
+ QString text = QString("%1 %2.%3")
+ .arg(descriptors[i].interfaceName())
+ .arg(descriptors[i].majorVersion())
+ .arg(descriptors[i].minorVersion());
+
+ if (serviceName.isEmpty())
+ text += " (" + descriptors[i].serviceName() + ")";
+
+ QServiceInterfaceDescriptor defaultInterfaceImpl =
+ serviceManager->interfaceDefault(descriptors[i].interfaceName());
+ 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()) {
+ if (serviceManager->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";
+ foreach (const QString &fileName, exampleXmlFiles) {
+ const QString path = QCoreApplication::applicationDirPath() + "/xmldata/" + fileName;
+ serviceManager->addService(path);
+ }
+}
+
+void ServiceBrowser::unregisterExampleServices()
+{
+ serviceManager->removeService("FileManagerService");
+ serviceManager->removeService("BluetoothTransferService");
+}
+
+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);
+#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);
+}