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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 <QGraphicsItem>
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#include <QProcess>
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#include <QGraphicsSceneEvent>
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#include <hbtoolbar.h>
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#include <hbnotificationdialog.h>
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#include <hbframeitem.h>
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#include "cxuiview.h"
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#include "cxutils.h"
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#include "cxeengine.h"
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#include "cxuidocumentloader.h"
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#include "cxuicapturekeyhandler.h"
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#include "cxecameradevicecontrol.h"
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#include "cxevideocapturecontrol.h"
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#include "cxuizoomslider.h"
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#include "cxezoomcontrol.h"
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// CONSTANTS
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const QString PhotosAppExe = "photos.exe";
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const QString VideosAppExe = "videoplayer.exe";
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/*!
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* Constructor
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*/
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CxuiView::CxuiView(QGraphicsItem *parent) :
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HbView(parent),
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mMainWindow(NULL),
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mEngine(NULL),
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mDocumentLoader(NULL),
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mSlider(NULL),
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mToolbar(NULL),
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mIndicators(NULL),
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mHideControlsTimeout(this),
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mControlsFeedback(HbFeedback::BasicItem)
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{
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CX_DEBUG_IN_FUNCTION();
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}
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/*!
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* Destructor
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*/
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CxuiView::~CxuiView()
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{
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CX_DEBUG_IN_FUNCTION();
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}
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/*!
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* CxuiView::construct
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*/
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void CxuiView::construct(HbMainWindow *mainWindow, CxeEngine *engine,
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CxuiDocumentLoader *documentLoader,
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CxuiCaptureKeyHandler * keyHandler,
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HbActivityManager *activityManager)
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{
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CX_DEBUG_ENTER_FUNCTION();
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//Minimum requirements to construct the view
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CX_ASSERT_ALWAYS(mainWindow);
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CX_ASSERT_ALWAYS(engine);
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CX_ASSERT_ALWAYS(documentLoader);
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CX_ASSERT_ALWAYS(activityManager);
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mMainWindow = mainWindow;
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mDocumentLoader = documentLoader;
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mCaptureKeyHandler = keyHandler;
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mEngine = engine;
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mActivityManager = activityManager;
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// adjust the timer, and connect it to correct slot
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connect(&mHideControlsTimeout, SIGNAL(timeout()), this, SLOT(hideControls()));
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mHideControlsTimeout.setSingleShot(true);
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mHideControlsTimeout.setInterval(CXUI_HIDE_CONTROLS_TIMEOUT);
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mControlsFeedback.setOwningWindow(mMainWindow);
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CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* Is standby mode supported / needed by this view.
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* Default implementation returns false.
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* Inherited classes need to re-implement this if standby mode is needed.
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* @return True if standby mode is supported, false otherwise.
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*/
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bool CxuiView::isStandbyModeSupported() const
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{
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return false;
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}
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/*!
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* CxuiView::updateOrientation
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*/
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void CxuiView::updateOrientation(Qt::Orientation orientation)
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{
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CX_DEBUG_ENTER_FUNCTION();
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hideControls();
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mMainWindow->setOrientation(orientation);
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if (mToolbar) {
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if (orientation == Qt::Horizontal) {
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mToolbar->setOrientation(Qt::Vertical);
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} else {
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mToolbar->setOrientation(Qt::Horizontal);
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}
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}
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CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* Restore view state from activity. Default implementation does nothing.
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*/
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void CxuiView::restoreActivity(const QString &activityId, const QVariant &data)
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{
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Q_UNUSED(activityId);
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Q_UNUSED(data);
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}
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/*!
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* Save view state to activity. Default implementation does nothing.
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*/
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void CxuiView::saveActivity()
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{
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}
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/*!
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* Clear activity from activity manager. Default implementation does nothing.
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*/
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void CxuiView::clearActivity()
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{
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}
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/*!
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* Allow showing UI controls?
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* Default behaviour is that controls can be shown at any time.
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*/
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bool CxuiView::allowShowControls() const
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{
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return true;
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}
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/*!
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* Play feedback when touching view outside of any widget?
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* Default behaviour is that feedback is always played.
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*/
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bool CxuiView::isFeedbackEnabled() const
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{
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return true;
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}
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/*!
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* Toggle visibility of UI controls.
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*/
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void CxuiView::toggleControls()
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{
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CX_DEBUG_ENTER_FUNCTION();
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if (mControlsVisible) {
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hideControls();
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} else {
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showControls();
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}
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CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* Slot for entering standby mode.
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* By default, release camera.
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*/
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void CxuiView::enterStandby()
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{
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CX_DEBUG_IN_FUNCTION();
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releaseCamera();
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CX_DEBUG_IN_FUNCTION();
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}
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/*!
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* Slot for exiting standby mode.
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* By default, no action needed.
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*/
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void CxuiView::exitStandby()
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{
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CX_DEBUG_IN_FUNCTION();
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}
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/*!
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* CxuiView::launchNotSupportedNotification
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* Show "not supported" notification.
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*/
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void CxuiView::launchNotSupportedNotification()
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{
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CX_DEBUG_ENTER_FUNCTION();
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HbNotificationDialog::launchDialog("Notification", "Not supported yet");
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CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* CxuiView::launchScenesView
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*/
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void CxuiView::launchScenesView()
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{
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CX_DEBUG_ENTER_FUNCTION();
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hideControls();
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emit showScenesView();
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CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* CxuiView::launchPhotosApp
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*/
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void CxuiView::launchPhotosApp()
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{
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// Release camera device in order to free resources for Photos application
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releaseCamera();
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QProcess::startDetached(PhotosAppExe);
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}
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/*!
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* CxuiView::launchVideosApp
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* Launching Videos application as a separate process
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*/
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void CxuiView::launchVideosApp()
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{
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// Release camera device in order to free resources for Videos application
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releaseCamera();
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QProcess::startDetached(VideosAppExe);
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}
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/*!
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* Releasing camera hw
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*/
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void CxuiView::releaseCamera()
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{
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CX_DEBUG_ENTER_FUNCTION();
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mEngine->cameraDeviceControl().release();
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CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* CxuiView::hideControls
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*/
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void CxuiView::hideControls()
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{
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CX_DEBUG_ENTER_FUNCTION();
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if (mHideControlsTimeout.isActive()) {
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mHideControlsTimeout.stop();
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}
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setTitleBarVisible(false);
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setStatusBarVisible(false);
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hideZoom();
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hideToolbar();
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// show indicators when controls are hidden
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showIndicators();
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mControlsVisible = false;
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// give the keyboard focus back to the view
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// for the view to receive key events
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setFocus();
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CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* CxuiView::showControls
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*/
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void CxuiView::showControls()
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{
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if (allowShowControls()) {
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// show toolbar
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showToolbar();
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// show zoom
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showZoom();
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// show title bar and status bar
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setTitleBarVisible(true);
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setStatusBarVisible(true);
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// hide indicators when controls are shown
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hideIndicators();
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mHideControlsTimeout.start();
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mControlsVisible = true;
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}
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}
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/*!
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* CxuiView::hideToolbar
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*/
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void CxuiView::hideToolbar()
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{
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CX_DEBUG_ENTER_FUNCTION();
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if (mToolbar) {
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mToolbar->hide();
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}
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CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* CxuiView::showToolbar
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*/
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void CxuiView::showToolbar()
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{
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CX_DEBUG_ENTER_FUNCTION();
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if (mToolbar) {
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mToolbar->show();
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}
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CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* CxuiView::hideIndicators
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*/
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void CxuiView::hideIndicators()
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{
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if (mIndicators) {
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mIndicators->hide();
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}
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}
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/*!
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* CxuiView::showIndicators
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*/
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void CxuiView::showIndicators()
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{
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if (mIndicators) {
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mIndicators->show();
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}
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}
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/*!
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* CxuiView::hideZoom
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*/
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void CxuiView::hideZoom()
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{
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if (mSlider) {
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mSlider->hide();
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}
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mZoomVisible = false;
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}
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/*!
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* CxuiView::showZoom
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*/
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void CxuiView::showZoom()
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{
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CX_DEBUG_ENTER_FUNCTION();
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if (mSlider) {
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// if maxVal has not been set yet, ask for new parameters from engine
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if (mSlider->maximum() <= 0) {
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// get the zoom range
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int min = mEngine->zoomControl().min();
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int max = mEngine->zoomControl().max();
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// only change values if they are acceptable and have changed
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if ((max - min > 0) && ((mSlider->maximum() != max) || (mSlider->minimum() != min))) {
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mSlider->setRange(min, max);
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}
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}
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// show zoom only if the slider has acceptable value
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if (mSlider->maximum() > 0) {
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mSlider->show();
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}
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}
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mZoomVisible = true;
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CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* Function can be used to create a graphics item and setting it as a background
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* item for HbWidget. graphicName refers to system wide graphic name. Given graphic
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* can consist of one, three or nine pieces. Nine piece graphics are used by default.
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* See HbFrameDrawer documentation for graphic naming.
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*/
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void CxuiView::createWidgetBackgroundGraphic(HbWidget *widget,
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const QString &graphicName,
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HbFrameDrawer::FrameType frameType)
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{
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if (widget) {
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HbFrameDrawer *drawer = new HbFrameDrawer(graphicName, frameType);
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if (drawer) {
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HbFrameItem *backgroundItem = new HbFrameItem(drawer, widget);
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if (backgroundItem) {
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// set item to fill the whole widget
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backgroundItem->setGeometry(QRectF(QPointF(0, 0), widget->size()));
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backgroundItem->setZValue(0);
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widget->setBackgroundItem(backgroundItem);
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}
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}
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}
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}
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/*!
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* Handle mouse press events on this view. Needed to implement toggling of
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* controls and playing feedback.
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* \param event event to be handled
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*/
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void CxuiView::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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//! @todo temporary workaround for title bar mouse event handling bug
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if (event->type() == QEvent::GraphicsSceneMousePress && event->scenePos().y() > 70 &&
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isFeedbackEnabled()) {
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mControlsFeedback.setModalities(HbFeedback::All);
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mControlsFeedback.play();
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event->accept();
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}
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}
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/*!
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* Handle mouse release events on this view. Needed to implement toggling of
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* controls and playing feedback.
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* \param event to be handled
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*/
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void CxuiView::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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//! @todo temporary workaround for title bar mouse event handling bug
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if (event->type() == QEvent::GraphicsSceneMouseRelease && event->scenePos().y() > 70 &&
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isFeedbackEnabled()) {
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mControlsFeedback.setModalities(HbFeedback::Tactile);
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mControlsFeedback.play();
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toggleControls();
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event->accept();
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}
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}
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// End of file
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