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Diffstat (limited to 'src/plugins/symbian/ecam/s60cameracontrol.h')
| -rw-r--r-- | src/plugins/symbian/ecam/s60cameracontrol.h | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/src/plugins/symbian/ecam/s60cameracontrol.h b/src/plugins/symbian/ecam/s60cameracontrol.h new file mode 100644 index 000000000..95c31fb34 --- /dev/null +++ b/src/plugins/symbian/ecam/s60cameracontrol.h @@ -0,0 +1,178 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef S60CAMERACONTROL_H +#define S60CAMERACONTROL_H + +#include <qcameracontrol.h> + +#include "s60cameraengineobserver.h" // MCameraEngineObserver +#include "s60videocapturesession.h" // TVideoCaptureState +#include "s60cameraviewfinderengine.h" // ViewfinderOutputType + +#include <e32base.h> +#include <fbs.h> + +QT_USE_NAMESPACE + +class S60CameraService; +class S60ImageCaptureSession; +class S60VideoCaptureSession; +class S60CameraSettings; +class CCameraEngine; +class S60CameraViewfinderEngine; +class QTimer; + +/* + * Control for controlling camera base operations (e.g. start/stop and capture + * mode). + */ +class S60CameraControl : public QCameraControl, public MCameraEngineObserver +{ + Q_OBJECT + +public: // Constructors & Destructor + + S60CameraControl(QObject *parent = 0); + S60CameraControl(S60VideoCaptureSession *videosession, + S60ImageCaptureSession *imagesession, + QObject *parent = 0); + ~S60CameraControl(); + +public: // QCameraControl + + // State + QCamera::State state() const; + void setState(QCamera::State state); + + // Status + QCamera::Status status() const; + + // Capture Mode + QCamera::CaptureMode captureMode() const; + void setCaptureMode(QCamera::CaptureMode); + bool isCaptureModeSupported(QCamera::CaptureMode mode) const; + + // Property Setting + bool canChangeProperty(QCameraControl::PropertyChangeType changeType, QCamera::Status status) const; + +/* +Q_SIGNALS: + void stateChanged(QCamera::State); + void statusChanged(QCamera::Status); + void error(int error, const QString &errorString); + void captureModeChanged(QCamera::CaptureMode); +*/ + +public: // Internal + + void setError(const TInt error, const QString &description); + void resetCameraOrientation(); + + // To provide QVideoDeviceControl info + static int deviceCount(); + static QString name(const int index); + static QString description(const int index); + int defaultDevice() const; + int selectedDevice() const; + void setSelectedDevice(const int index); + + void setVideoOutput(QObject *output, + const S60CameraViewfinderEngine::ViewfinderOutputType type); + void releaseVideoOutput(const S60CameraViewfinderEngine::ViewfinderOutputType type); + +private slots: // Internal Slots + + void videoStateChanged(const S60VideoCaptureSession::TVideoCaptureState state); + // Needed to detect image capture completion when trying to rotate the camera + void imageCaptured(const int imageId, const QImage& preview); + /* + * This method moves the camera to the StandBy status: + * - If camera access was lost + * - If camera has been inactive in LoadedStatus for a long time + */ + void toStandByStatus(); + void advancedSettingsCreated(); + +protected: // MCameraEngineObserver + + void MceoCameraReady(); + void MceoHandleError(TCameraEngineError aErrorType, TInt aError); + +private: // Internal + + QCamera::Error fromSymbianErrorToQtMultimediaError(int aError); + + void loadCamera(); + void unloadCamera(); + void startCamera(); + void stopCamera(); + + void resetCamera(bool errorHandling = false); + void setCameraHandles(); + +signals: // Internal Signals + + void cameraReadyChanged(bool); + void devicesChanged(); + +private: // Data + + CCameraEngine *m_cameraEngine; + S60CameraViewfinderEngine *m_viewfinderEngine; + S60ImageCaptureSession *m_imageSession; + S60VideoCaptureSession *m_videoSession; + S60CameraSettings *m_advancedSettings; + QObject *m_videoOutput; + QTimer *m_inactivityTimer; + QCamera::CaptureMode m_captureMode; + QCamera::CaptureMode m_requestedCaptureMode; + bool m_settingCaptureModeInternally; + QCamera::Status m_internalState; + QCamera::State m_requestedState; + int m_deviceIndex; + mutable int m_error; + bool m_changeCaptureModeWhenReady; + bool m_rotateCameraWhenReady; + S60VideoCaptureSession::TVideoCaptureState m_videoCaptureState; +}; + +#endif // S60CAMERACONTROL_H |