camerauis/cameraxui/cxengine/inc/cxezoomcontrolsymbian.h
branchRCL_3
changeset 23 61bc0f252b2b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraxui/cxengine/inc/cxezoomcontrolsymbian.h	Tue Aug 31 15:03:46 2010 +0300
@@ -0,0 +1,93 @@
+/*
+* Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+#ifndef CXEZOOMCONTROLSYMBIAN_H
+#define CXEZOOMCONTROLSYMBIAN_H
+
+#include "cxezoomcontrol.h"
+#include "cxecameradevice.h" // CxeCameraDevice
+#include "cxestatemachine.h"
+#include "cxecameradevicecontrol.h"
+
+class CxeCameraDeviceControl;
+class CxeSettings;
+class CxeFeatureManager;
+
+class CxeZoomControlSymbian : public CxeZoomControl, public CxeStateMachine
+{
+Q_OBJECT
+
+public: // constructors
+
+    CxeZoomControlSymbian(CxeCameraDevice &cameraDevice,
+                          CxeCameraDeviceControl &cameraDeviceControl,
+                          CxeSettings &settings,
+                          CxeFeatureManager &featureManager);
+
+    virtual ~CxeZoomControlSymbian();
+
+public:
+    // from CxeZoomControl
+    CxeZoomControl::State state() const;
+    int min() const;
+    int max() const;
+    void zoomTo(int value);
+
+protected:
+    // from CxeStateMachine
+    void handleStateChanged(int newStateId, CxeError::Id error);
+
+protected slots:
+
+    // Slot to react to still capture signal:
+    // prepares the zoom control for still.
+    void prepareZoomForStill(int ecamStillResolutionIndex);
+    
+    // Slot to react to video capture signal:
+    // prepares the zoom control for video.
+    void prepareZoomForVideo();
+
+    // Slot to prepare for camera delete signal.
+    void reset();
+
+private:
+    // private member functions
+    void init();
+    void initializeStates();
+    void finalizeZoomPreparation(int error);
+
+private:
+    // private data
+
+    CxeCameraDevice &mCameraDevice;
+    CxeCameraDeviceControl &mCameraDeviceControl;
+    CxeSettings &mSettings;
+
+    // Zoom levels
+    int mCurrentZoomLevel;
+    int mMinZoomLevel;
+    int mMaxZoomLevel;
+
+    // The RArray is used to map the integers between "min" and "max" to adaptation understandable values.
+    RArray<TInt> mDigitalZoomValues;
+    TValueInfo mDigitalZoomValueInfo;
+
+    // values ready from feature manager.
+    QList<int> mStillMaxZoomLimits;
+    QList<int> mVideoMaxZoomLimits;
+};
+
+#endif // CXEZOOMCONTROLSYMBIAN_H