camerauis/cameraxui/cxui/inc/cxuicapturekeyhandler.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 03 May 2010 12:22:55 +0300
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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:
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*
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*/
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#ifndef CXUICAPTUREKEYHANDLER_H
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#define CXUICAPTUREKEYHANDLER_H
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#include <QObject>
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class RWsSession;
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class RWindowGroup;
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class QEvent;
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class CxeEngine;
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class CxuiCaptureKeyHandler : public QObject
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{
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Q_OBJECT
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public:
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    CxuiCaptureKeyHandler(CxeEngine &aEngine);
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    virtual ~CxuiCaptureKeyHandler();
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public:
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    void listenKeys(bool listen);
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    bool isAutofocusKeyPressed();
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    bool isCaptureKeyPressed();
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    bool handleKeyEvent(QEvent *event);
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signals:
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    // Note that these signals should be connected to view classes only, because
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    // CxuiViewManager will handle all signal connections and disconnections
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    void autofocusKeyPressed();
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    void autofocusKeyReleased();
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    void captureKeyPressed();
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    void captureKeyReleased();
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private:
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    void listenKey(int key);
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private:
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    bool mAutofocusKeyPressed;
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    bool mCaptureKeyPressed;
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    QList<int> mCapturedKeyHandles;
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    QList<int> mCapturedKeyUpDownHandles;
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    QList<int> mPrimaryCameraAutofocusKeys;
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    QList<int> mPrimaryCameraCaptureKeys;
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    QList<int> mSecondaryCameraCaptureKeys;
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    CxeEngine &mEngine;
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    RWsSession &mWsSession; // not own
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    RWindowGroup &mWindowGroup; // not own
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};
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#endif // CXUICAPTUREKEYHANDLER_H