camerauis/cameraxui/cxengine/src/cxezoomcontroldesktop.cpp
branchRCL_3
changeset 24 bac7acad7cb3
parent 23 61bc0f252b2b
child 25 2c87b2808fd7
--- a/camerauis/cameraxui/cxengine/src/cxezoomcontroldesktop.cpp	Tue Aug 31 15:03:46 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,209 +0,0 @@
-/*
-* Copyright (c) 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:
-*
-*/
-
-#include "cxezoomcontroldesktop.h"
-#include "cxecameradevicecontrol.h"
-#include "cxutils.h"
-#include "cxenamespace.h"
-#include "cxestate.h"
-
-const int NOT_DEFINED = -1;
-
-/*!
- * Constructor
- */
-CxeZoomControlDesktop::CxeZoomControlDesktop(CxeCameraDeviceControl &cameraDeviceControl) :
-    mCameraDeviceControl(cameraDeviceControl)
-{
-    CX_DEBUG_ENTER_FUNCTION();
-
-    qRegisterMetaType<CxeZoomControl::State> ();
-
-    init();
-
-    CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * Destructor
- */
-CxeZoomControlDesktop::~CxeZoomControlDesktop()
-{
-    CX_DEBUG_ENTER_FUNCTION();
-    CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * Get the minimum zoom index
- */
-int CxeZoomControlDesktop::min() const
-{
-    return mMinZoomLevel;
-}
-
-/*!
- * Get the maximum zoom index
- */
-int CxeZoomControlDesktop::max() const
-{
-    return mMaxZoomLevel;
-}
-
-/*!
- * Init
- */
-void CxeZoomControlDesktop::init()
-{
-    CX_DEBUG_ENTER_FUNCTION();
-
-    // Initialize the variables
-    mMinZoomLevel = 0;
-    mMaxZoomLevel = 0;
-    mCurrentZoomLevel = 0;
-
-    mState = Idle;
-
-    CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * Re-initializes the zoom control
- */
-void CxeZoomControlDesktop::reset()
-{
-    CX_DEBUG_ENTER_FUNCTION();
-
-    init();
-    emit zoomLevelChanged(mCurrentZoomLevel);
-
-    CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
-* slot to prepare zoom control for still mode
-*/
-void CxeZoomControlDesktop::prepareZoomForStill(int ecamStillResolutionIndex)
-{
-    CX_DEBUG_ENTER_FUNCTION();
-
-    Q_UNUSED(ecamStillResolutionIndex);
-
-    if (mCameraDeviceControl.state() == CxeCameraDeviceControl::Ready) {
-        reset();
-        int error;
-        int imageQualityIndex;
-        CxeError::Id cxErr;
-        if (cxErr == CxeError::None && mStillMaxZoomLimits.count() > 0) {
-            // fetching the zoom limit based on the image quality
-            mMaxZoomLevel = mStillMaxZoomLimits[imageQualityIndex];
-        } else {
-            mMaxZoomLevel = NOT_DEFINED;
-        }
-        
-        finalizeZoomPreparation(error);
-    }
-    
-    CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
-* slot to prepare zoom control for video mode
-*/
-void CxeZoomControlDesktop::prepareZoomForVideo()
-{
-    CX_DEBUG_ENTER_FUNCTION();
-    
-    if (mCameraDeviceControl.state() == CxeCameraDeviceControl::Ready) {
-        reset();
-        int error;
-        if (mVideoMaxZoomLimits.count() > 0) {
-            // fetching the zoom limit based on the video quality
-            mMaxZoomLevel = mVideoMaxZoomLimits[0];
-        } else {
-            mMaxZoomLevel = NOT_DEFINED;
-        }
-
-        finalizeZoomPreparation(error);
-    }
-    
-
-    CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
-* Completes zoom control preparation.
-*/
-void CxeZoomControlDesktop::finalizeZoomPreparation(int error)
-{
-    CX_DEBUG_ENTER_FUNCTION();
-    
-    CX_DEBUG(("Maximum zoom limit: %d", mMaxZoomLevel));
-    
-    if (!error) {
-        // Note that this is called only after setting the resolution.
-        // emit the zoom changed signal so that clients can do any updates if necessary.
-        emit zoomLevelChanged(mCurrentZoomLevel);
-
-        mState = Ready;
-        emit stateChanged(mState, CxeError::None);
-    }
-
-    CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
-* Zooms to the level specified in the parameter
-*/
-void CxeZoomControlDesktop::zoomTo(int value)
-{
-    CX_DEBUG_ENTER_FUNCTION();
-
-    CX_DEBUG(("Zoom to: %d, current zoom: %d", value, mCurrentZoomLevel));
-
-    // If not currently zooming and value falls between min & max
-    // then zoom to the passed level. Also there's no need to zoom if new zoom
-    // level is same as the current.
-    if (state() == CxeZoomControl::Ready && (value <= mMaxZoomLevel)
-            && (value >= mMinZoomLevel) && (mCurrentZoomLevel != value)) {
-
-        // Could also check the number of values in the array to avoid out of bounds indexing,
-        // though this is done in alternate way by the min and max limits.
-        mCurrentZoomLevel = value;
-
-        // Set the appropriate zooming state
-        if (value < mCurrentZoomLevel) {
-             mState = ZoomingOut;
-        } else {
-            mState = ZoomingIn;
-        }
-        emit stateChanged(mState, CxeError::None);
-
-        //! @todo: Wait for zoom callback: ECamEventZoomStateChanged ?
-        mState = Ready;
-        emit stateChanged(mState, CxeError::None);
-
-        // Emit the zoom level change signal
-        emit zoomLevelChanged(mCurrentZoomLevel);
-    }
-
-    CX_DEBUG_EXIT_FUNCTION();
-}
-
-CxeZoomControl::State CxeZoomControlDesktop::state() const
-{
-    return mState;
-}