author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:06:34 +0300 | |
branch | RCL_3 |
changeset 82 | 5f0182e07bfb |
permissions | -rw-r--r-- |
82
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/* |
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* Copyright (c) 2009 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: Homescreen runtime content service. |
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* |
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*/ |
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|
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#include "hscontentservice.h" |
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#include "hsdatabase.h" |
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#include "hsscene.h" |
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#include "hspage.h" |
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#include "hsdomainmodeldatastructures.h" |
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#include "hswidgethost.h" |
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#include "hsapp_defs.h" |
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|
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/*! |
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\class HsContentService |
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\ingroup group_hsdomainmodel |
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\brief Service for creating widget to Home Screen and make query for widget instances. |
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*/ |
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/*! |
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Constructor. |
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|
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\a parent Owner. |
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*/ |
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HsContentService::HsContentService(QObject *parent) |
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: QObject(parent), mWidgetStartFaulted(false) |
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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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HsContentService::~HsContentService() |
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{ |
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} |
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/*! |
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Creates widget. \a params must include 'uri' for the desired widget type. |
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'preferences' is optional. |
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*/ |
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bool HsContentService::createWidget(const QVariantHash ¶ms) |
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{ |
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return addWidget(params.value(Hs::uri).toString(), |
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params.value(Hs::preferences).toHash(), |
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params.value(Hs::homescreenData)); |
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} |
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// This method will be removed. |
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#ifdef COVERAGE_MEASUREMENT |
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#pragma CTC SKIP |
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#endif //COVERAGE_MEASUREMENT |
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HsWidgetHost *HsContentService::createWidgetForPreview(const QVariantHash ¶ms) |
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{ |
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HsWidgetData widgetData; |
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widgetData.uri = params.value(Hs::uri).toString(); |
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return HsWidgetHost::createInstance( |
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widgetData, params.value(Hs::preferences).toHash()); |
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} |
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#ifdef COVERAGE_MEASUREMENT |
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#pragma CTC ENDSKIP |
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#endif //COVERAGE_MEASUREMENT |
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/*! |
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*/ |
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bool HsContentService::addWidget(const QString &uri, const QVariantHash &preferences, |
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const QVariant &homescreenData) |
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{ |
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HsWidgetData data; |
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data.uri = uri; |
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HsWidgetHost *widget = HsWidgetHost::createInstance(data, preferences); |
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if (!widget) { |
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return false; |
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} |
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HsPage *page = HsScene::instance()->activePage(); |
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QPointF touchPoint = homescreenData.toPointF(); |
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if (!page->addNewWidget(widget, touchPoint)) { |
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widget->remove(); |
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return false; |
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} |
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connect(widget,SIGNAL(event_faulted()),SLOT(widgetStartFaulted())); |
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mWidgetStartFaulted = false; |
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widget->startWidget(); // synchronous operation |
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if (mWidgetStartFaulted) { |
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// page will destroy widget instance |
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return false; |
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} |
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widget->disconnect(this); |
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emit widgetAdded(uri, preferences); |
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return true; |
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} |
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/*! |
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Returns false if database query fails. If returns true then |
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number of widget instances of the given \a uri and \a preferences is stored to \a count. |
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If \a preferences is empty then returns number of widget instances with given uri. |
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*/ |
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bool HsContentService::widgets(const QString &uri, const QVariantHash &preferences, int &count) |
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{ |
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return HsDatabase::instance()->widgets(uri, preferences, count); |
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} |
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/*! |
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*/ |
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HsContentService *HsContentService::instance() |
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{ |
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if (!mInstance) { |
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mInstance = new HsContentService(); |
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} |
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return mInstance; |
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} |
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/*! |
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*/ |
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void HsContentService::emitWidgetRemoved(const QString &uri, const QVariantHash &preferences) |
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{ |
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emit widgetRemoved(uri, preferences); |
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} |
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/*! |
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*/ |
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void HsContentService::widgetStartFaulted() |
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{ |
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mWidgetStartFaulted = true; |
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} |
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/*! |
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Points to the content service instance. |
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*/ |
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HsContentService *HsContentService::mInstance(0); |
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/*! |
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\fn HsContentService::widgetAdded(const QString &uri, const QVariantHash &preferences); |
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Emited when widget is added. |
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*/ |
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/*! |
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\fn HsContentService::widgetRemoved(const QString &uri, const QVariantHash &preferences); |
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Emited when widget is removed. |
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*/ |
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