/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
#include <HbInstance>
#include "hsdomainmodeldatastructures.h"
#include "hsscene.h"
#include "hspage.h"
#include "hswidgethost.h"
#include "hsdatabase.h"
#include "hswallpaper.h"
#include "hsdatabase.h"
/*!
Destructor.
*/
HsScene::~HsScene()
{
delete mWallpaper;
qDeleteAll(mPages);
}
/*!
Return database id.
*/
int HsScene::databaseId() const
{
return mDatabaseId;
}
/*!
Load scene from database.
*/
bool HsScene::load()
{
HsDatabase *db = HsDatabase::instance();
HsSceneData sceneData;
if (!db->scene(sceneData)) {
return false;
}
if (sceneData.portraitWallpaper.isEmpty()) {
mWallpaper->setImagesById();
} else {
mWallpaper->setImagesByPaths(
sceneData.landscapeWallpaper,
sceneData.portraitWallpaper);
}
QList<HsPageData> pageDatas;
if (!db->pages(pageDatas) || pageDatas.empty()) {
return false;
}
foreach (HsPageData pageData, pageDatas) {
HsPage *page = new HsPage;
page->setDatabaseId(pageData.id);
if (page->load()) {
mPages.append(page);
} else {
delete page;
continue;
}
if (pageData.id == sceneData.defaultPageId) {
mActivePage = page;
mActivePage->setRemovable(false);
}
}
mMaximumPageCount = sceneData.maximumPageCount;
return true;
}
/*!
Return wallpaper.
*/
HsWallpaper *HsScene::wallpaper() const
{
return mWallpaper;
}
/*!
Return pages array.
*/
QList<HsPage *> HsScene::pages() const
{
return mPages;
}
/*!
Add page \a page.
*/
bool HsScene::addPage(HsPage *page)
{
if (!page) {
return false;
}
if (mPages.contains(page)) {
return true;
}
HsDatabase *db = HsDatabase::instance();
HsPageData data;
data.id = page->databaseId();
if (!db->page(data)) {
return false;
}
db->transaction();
for (int i = data.indexPosition; i < mPages.count(); ++i) {
data.id = mPages.at(i)->databaseId();
data.indexPosition = i + 1;
if (!db->updatePage(data)) {
db->rollback();
return false;
}
}
db->commit();
mPages.insert(data.indexPosition, page);
return true;
}
/*!
Removes page \a page.
*/
bool HsScene::removePage(HsPage *page)
{
if (!page) {
return false;
}
if (!mPages.contains(page)) {
return true;
}
int index = mPages.indexOf(page) + 1;
HsDatabase *db = HsDatabase::instance();
db->transaction();
HsPageData data;
for (int i = index; i < mPages.count(); ++i) {
data.id = mPages.at(i)->databaseId();
data.indexPosition = i - 1;
if (!db->updatePage(data)) {
db->rollback();
return false;
}
}
if (!page->deleteFromDatabase()) {
db->rollback();
return false;
}
db->commit();
mPages.removeOne(page);
return true;
}
/*!
Set active page \a page.
*/
bool HsScene::setActivePage(HsPage *page)
{
if (!page) {
return false;
}
if (!mPages.contains(page)) {
return false;
}
if (page == mActivePage) {
return true;
}
mActivePage = page;
foreach (HsPage *p, mPages) {
if (p == mActivePage) {
p->showWidgets();
} else {
p->hideWidgets();
}
}
return true;
}
/*!
Set active page \a index.
*/
bool HsScene::setActivePageIndex(int index)
{
if (index < 0 || mPages.count() <= index) {
return false;
}
return setActivePage(mPages[index]);
}
/*!
Return active page.
*/
HsPage *HsScene::activePage() const
{
return mActivePage;
}
/*!
Return active page index.
*/
int HsScene::activePageIndex() const
{
return mPages.indexOf(mActivePage);
}
/*!
Return maximum number of pages.
*/
int HsScene::maximumPageCount() const
{
return mMaximumPageCount;
}
/*!
Set active widget \a widget.
*/
void HsScene::setActiveWidget(HsWidgetHost *widget)
{
mActiveWidget = widget;
}
/*!
Return active widget.
*/
HsWidgetHost *HsScene::activeWidget() const
{
return mActiveWidget;
}
/*!
Toggle application online state. Defaults
to true.
*/
void HsScene::setOnline(bool online)
{
mIsOnline = online;
foreach (HsPage *page, mPages) {
page->setOnline(online);
}
}
/*!
Return current online setting.
*/
bool HsScene::isOnline()const
{
return mIsOnline;
}
/*!
Singleton.
*/
HsScene *HsScene::instance()
{
if (mInstance.isNull()) {
mInstance.reset(new HsScene);
}
return mInstance.data();
}
/*!
Return current orientation.
*/
Qt::Orientation HsScene::orientation()
{
return mainWindow()->orientation();
}
/*!
Return main window.
*/
HbMainWindow *HsScene::mainWindow()
{
return hbInstance->allMainWindows().first();
}
/*!
Constructor
*/
HsScene::HsScene(QObject *parent)
: QObject(parent),
mDatabaseId(-1),
mIsOnline(true),
mWallpaper(0),
mMaximumPageCount(1),
mActivePage(0),
mActiveWidget(0)
{
mWallpaper = new HsWallpaper;
}
/*!
Points to the scene instance.
*/
QScopedPointer<HsScene> HsScene::mInstance(0);