author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 03 May 2010 12:24:59 +0300 | |
changeset 39 | 4e8ebe173323 |
parent 36 | cdae8c6c3876 |
child 61 | 2b1b11a301d2 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Example of home screen content publishing client |
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* |
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*/ |
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#include <qservicefilter.h> |
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#include <qserviceinterfacedescriptor.h> |
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#include <QMetaObject> |
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#include <QMetaMethod> |
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#include "contentpublishclient.h" |
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/*! |
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\ingroup group_content_publish_client |
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\class ContentPublishClient |
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\brief Example implementation for home screen client api usage. |
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ContentPublishClient is derived from QObject and implements |
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needed functions for the home screen content publish client. |
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*/ |
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/*! |
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Constructor. |
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*/ |
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ContentPublishClient::ContentPublishClient(QServiceManager &manager, QObject *parent) |
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: QObject(parent), |
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mManager(&manager) |
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{ |
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} |
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/*! |
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Destructor |
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*/ |
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ContentPublishClient::~ContentPublishClient() |
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{ |
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} |
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/*! |
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Loads service interface |
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*/ |
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bool ContentPublishClient::load() |
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{ |
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QServiceFilter filter("com.nokia.symbian.IHomeScreenClient"); |
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filter.setServiceName("hshomescreenclientplugin"); |
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QList<QServiceInterfaceDescriptor> interfaces = mManager->findInterfaces(filter); |
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if(interfaces.isEmpty()) { |
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QServiceManager::Error error = mManager->error(); |
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return false; |
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} |
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qDebug() << interfaces.first().interfaceName() |
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<< interfaces.first().serviceName() |
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<< interfaces.first().isValid(); |
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mService = mManager->loadInterface(interfaces.first()); |
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return (mService); |
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} |
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/*! |
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Adds hello world widget |
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*/ |
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void ContentPublishClient::addHelloworldWidget() |
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{ |
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if ( addWidget("helloworldwidgetplugin")) { |
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qDebug() << "HelloWorld added"; |
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} else { |
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qDebug() << "adding HelloWorld failed"; |
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} |
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} |
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/*! |
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Adds clock world widget |
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*/ |
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void ContentPublishClient::addClockWidget() |
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{ |
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if ( addWidget("hsclockwidgetplugin")) { |
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qDebug() << "Clock widget added"; |
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} else { |
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qDebug() << "adding Clock widget failed"; |
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} |
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} |
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/*! |
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Adds widget \a widgetUri utilizing service interface and invokeMethod call |
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*/ |
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// Start of snippet 1 |
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bool ContentPublishClient::addWidget(QString widgetUri) |
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{ |
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// find interface IHomeScreenClient from service hshomescreenclientplugin |
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QServiceManager manager; |
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QServiceFilter filter("com.nokia.symbian.IHomeScreenClient"); |
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filter.setServiceName("hshomescreenclientplugin"); |
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QList<QServiceInterfaceDescriptor> interfaces = manager.findInterfaces(filter); |
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108 |
|
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if(interfaces.isEmpty()) { |
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QServiceManager::Error error = manager.error(); |
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return false; |
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} |
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|
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QObject* service = manager.loadInterface(interfaces.first()); |
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115 |
|
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// access service's addWidget function |
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bool retVal = false; |
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bool ret = QMetaObject::invokeMethod( |
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service, |
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"addWidget", |
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Qt::DirectConnection, |
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Q_RETURN_ARG(bool, retVal), |
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Q_ARG(QString,widgetUri), |
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Q_ARG(QVariantHash,QVariantHash())); |
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|
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if(!ret){ |
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// invokeMethod returned error |
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return false; |
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} |
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if(!retVal){ |
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// addWidget returned error |
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return false; |
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} |
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return true; |
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} |
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// End of snippet 1 |
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|
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/*! |
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Sets home screen wallpaper as testwallpaper.png |
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*/ |
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void ContentPublishClient::setWallpaper1() |
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{ |
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QString wallpaper = "c:/data/images/kqtihswallpapers/testwallpaper.jpg"; |
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setWallpaper(wallpaper); |
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} |
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|
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/*! |
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Sets home screen wallpaper as testwallpaper2.png |
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*/ |
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void ContentPublishClient::setWallpaper2() |
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{ |
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QString wallpaper = "c:/data/images/kqtihswallpapers/testwallpaper2.jpg"; |
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setWallpaper(wallpaper); |
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} |
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|
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/*! |
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Changes home screen wallpaper to \a wallpaper image. |
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Note. load function needs to be called before this, it creates mService object. |
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|
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*/ |
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// Start of snippet 2 |
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bool ContentPublishClient::setWallpaper(QString wallpaper) |
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{ |
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QByteArray signature = QMetaObject::normalizedSignature("setWallpaper(QString)"); |
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int methodIndex = mService->metaObject()->indexOfMethod(signature); |
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if (methodIndex<0) { |
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return false; |
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} |
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QMetaMethod method = mService->metaObject()->method(methodIndex); |
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bool retVal(false); |
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|
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bool ret = method.invoke( mService, |
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Qt::DirectConnection, |
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Q_RETURN_ARG(bool, retVal), |
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Q_ARG(QString,wallpaper)); |
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|
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if(!ret){ |
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// invokeMethod returned error |
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return false; |
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} |
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if(!retVal){ |
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// setWallpaper returned error |
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return false; |
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} |
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return true; |
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} |
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|
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// End of snippet 2 |