camerauis/cameraxui/cxui/inc/cxuiviewmanager.h
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/*
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* Copyright (c) 2009-2010 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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#ifndef CXUIVIEWMANAGER_H
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#define CXUIVIEWMANAGER_H
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#include <QObject>
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#include <QTimer>
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#include <QList>
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#include "cxeviewfindercontrol.h"
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#include "cxenamespace.h"
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#include "cxeerror.h"
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#include "cxuiapplicationstate.h"
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class QGraphicsSceneMouseEvent;
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class HbMainWindow;
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class CxuiApplication;
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class CxuiCaptureKeyHandler;
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class CxuiPrecaptureView;
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class CxuiStillPrecaptureView;
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class CxuiVideoPrecaptureView;
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class CxuiPostcaptureView;
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class CxeEngine;
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class CxuiDocumentLoader;
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class CxuiErrorManager; // class that handles all errors in ui.
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class CxuiSceneModeView;
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class CxuiView;
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class CxuiViewManager : public QObject
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{
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    Q_OBJECT
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public:
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    CxuiViewManager(CxuiApplication &application, HbMainWindow &mainWindow, CxeEngine &engine);
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    ~CxuiViewManager();
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    CxuiDocumentLoader *documentLoader();
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    CxuiApplicationState &applicationState();
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    void initEngine();
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public slots:
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    void changeToPostcaptureView();
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    void changeToPrecaptureView();
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    void switchCamera();
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    void showScenesView();
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private slots:
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    void toForeground();
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    void handleApplicationStateChanged(CxuiApplicationState::State newState,
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                                       CxuiApplicationState::State oldState);
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    void startStandbyTimer();
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    void stopStandbyTimer();
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signals:
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    void normalStateEntered();
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    void normalStateExited();
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    void standbyExitRequested();
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protected:
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    bool eventFilter(QObject *object, QEvent *event);
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private:
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    CxuiView *currentView() const;
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    void initStartupView();
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    CxuiView *createView(const QString &viewName);
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    CxuiPrecaptureView* getPrecaptureView(Cxe::CameraMode mode, Cxe::CameraIndex camera);
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    CxuiView *createSceneModesView();
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    void connectSignals(QObject *view);
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    void disconnectSignals(QObject *view = NULL);
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    void connectPreCaptureSignals();
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    void connectPostCaptureSignals();
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    void connectSceneModeSignals();
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    void connectCaptureKeySignals();
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    void handleExitingNormalState();
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    void clearAllActivities();
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private:
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    //data
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    CxuiApplication &mApplication;
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    HbMainWindow &mMainWindow;
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    QMap<QString, CxuiView*> mViews;
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    QMap<QString, QString> mDocmlFilesByView;
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    CxeEngine &mEngine;
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    CxuiCaptureKeyHandler *mKeyHandler;
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    CxuiDocumentLoader *mCameraDocumentLoader;
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    CxuiApplicationState *mApplicationState;
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    CxuiErrorManager *mErrorManager;
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    CxuiSceneModeView *mSceneModeView;
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    QTimer mStandbyTimer;
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};
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#endif // CXUIVIEWMANAGER_H