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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:
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*
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*/
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#include <HbMainWindow>
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#include <HbTransparentWindow>
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#include <HbView>
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#include <HbLabel>
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#include <QGraphicsLinearLayout>
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#include "cxeviewfindercontroldesktop.h"
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#include "cxecameradevicedesktop.h"
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#include "cxeviewfinderwidgetdesktop.h"
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#include "cxutils.h"
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const int KResWidth = 640;
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const int KResHeight = 360;
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CxeViewfinderControlDesktop::CxeViewfinderControlDesktop(CxeCameraDeviceDesktop &cameraDevice) :
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mState(Uninitialized),
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mResolution(KResWidth, KResHeight),
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mCameraDevice(cameraDevice),
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mViewfinderWidget(0)
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{
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CX_DEBUG_IN_FUNCTION();
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}
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CxeViewfinderControlDesktop::~CxeViewfinderControlDesktop()
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{
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CX_DEBUG_IN_FUNCTION();
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}
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/*!
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* Set Window ID
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*/
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void CxeViewfinderControlDesktop::setWindow(WId windowId)
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{
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CX_DEBUG_ENTER_FUNCTION();
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mWindowId = windowId;
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if (state() != Running) {
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mState = Ready;
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emit stateChanged(mState, CxeError::None);
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}
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CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* Start viewfinder
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* @return CxeEngine specific error code
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*/
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CxeError::Id CxeViewfinderControlDesktop::start()
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{
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CX_DEBUG_ENTER_FUNCTION();
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createViewfinderWidget();
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if (mState != Running) {
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mState = Running;
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emit stateChanged(mState, CxeError::None);
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mCameraDevice.start();
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}
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CX_DEBUG_EXIT_FUNCTION();
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return CxeError::None;
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}
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/*!
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* Stop viewfinder
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*/
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void CxeViewfinderControlDesktop::stop()
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{
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CX_DEBUG_ENTER_FUNCTION();
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mState = Ready;
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emit stateChanged(mState, CxeError::None);
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mCameraDevice.stop();
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CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* Current viewfinder state
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*/
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CxeViewfinderControl::State CxeViewfinderControlDesktop::state() const
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{
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return mState;
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}
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/*!
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* Returns Device's Display resolution
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*/
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QSize CxeViewfinderControlDesktop::deviceDisplayResolution() const
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{
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return mResolution;
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}
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/*!
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* Create the viewfinder widget.
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*/
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void CxeViewfinderControlDesktop::createViewfinderWidget()
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{
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CX_DEBUG_ENTER_FUNCTION();
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HbMainWindow* mainWindow = qobject_cast<HbMainWindow*>(QWidget::find(mWindowId));
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if (mainWindow) {
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CX_DEBUG(("Found main window."));
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// Remove the current viewfinder from previous view scene.
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// Ownership is returned, so delete it now.
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if (mViewfinderWidget) {
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mViewfinderWidget->setParentItem(0);
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mainWindow->scene()->removeItem(mViewfinderWidget);
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delete mViewfinderWidget;
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mViewfinderWidget = 0;
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}
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// Find the visible transparent window and place our viewfinder widget as it's child.
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HbView* view = mainWindow->currentView();
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const QList<QGraphicsItem *> itemList(view->scene()->items());
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foreach (QGraphicsItem *item, itemList) {
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if (item->type() == Hb::ItemType_TransparentWindow) {
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CX_DEBUG(("Found transparent window, name: %s",
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item->toGraphicsObject()
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? qPrintable(item->toGraphicsObject()->objectName())
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: qPrintable(QString("<unknown>"))));
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bool visible(item->isVisible());
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CX_DEBUG(("Is found transparent window visible: %s", qPrintable(QVariant::fromValue(visible).toString())));
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if (visible) {
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mViewfinderWidget = new CxeViewfinderWidgetDesktop();
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connect(&mCameraDevice, SIGNAL(imageChanged(QPixmap)), mViewfinderWidget, SLOT(handleImageChange(QPixmap)));
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mViewfinderWidget->setParentItem(item);
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break;
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}
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}
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}
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}
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CX_DEBUG_EXIT_FUNCTION();
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}
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// end of file
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