os/mm/mmplugins/cameraplugins/source/mmcameraclientplugin/mmcameraclientsession/src/mmdirectviewfinder.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/mmplugins/cameraplugins/source/mmcameraclientplugin/mmcameraclientsession/src/mmdirectviewfinder.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,254 @@
1.4 +// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +/**
1.20 + @file
1.21 + @internalComponent
1.22 +*/
1.23 +
1.24 +#include "mmdirectviewfinder.h"
1.25 +
1.26 +#include <graphics/surfaceconfiguration.h>
1.27 +#include "w32std.h"
1.28 +#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
1.29 +#include <ecamdef.h>
1.30 +#endif
1.31 +
1.32 +CMMDirectViewFinder* CMMDirectViewFinder::NewL(CMMCameraClientSession& aOwner)
1.33 + {
1.34 + CMMDirectViewFinder* self = new (ELeave) CMMDirectViewFinder(aOwner);
1.35 + CleanupStack::PushL(self);
1.36 + self->ConstructL();
1.37 + CleanupStack::Pop(self);
1.38 + return self;
1.39 + }
1.40 +
1.41 +void CMMDirectViewFinder::ConstructL()
1.42 + {
1.43 + }
1.44 +
1.45 +CMMDirectViewFinder::CMMDirectViewFinder(CMMCameraClientSession& aOwner)
1.46 + : iOwner(aOwner), iDirectViewFinderObserver(NULL), iPrepareCompleted(EFalse)
1.47 + {
1.48 + iReferenceCount++;
1.49 + }
1.50 +
1.51 +CMMDirectViewFinder::~CMMDirectViewFinder()
1.52 + {
1.53 + }
1.54 +
1.55 +void CMMDirectViewFinder::Release(CCamera::CCameraV2DirectViewFinder* aDirectViewFinderHandle)
1.56 + {
1.57 + THashMapIter<TInt, CCamera::CCameraV2DirectViewFinder*> iter(iOwner.iHashMap);
1.58 + for (CCamera::CCameraV2DirectViewFinder* const* vF = iter.NextValue(); vF; vF = iter.NextValue())
1.59 + {
1.60 + if (*vF == aDirectViewFinderHandle)
1.61 + {
1.62 + iOwner.iHashMap.Remove(*iter.CurrentKey());
1.63 + break;
1.64 + }
1.65 + }
1.66 + }
1.67 +
1.68 +void CMMDirectViewFinder::CreateHistogramImplFactoryL(MImplementationFactory*& /*aImplFactoryPtr*/) const
1.69 + {
1.70 + User::Leave(KErrNotSupported);
1.71 + }
1.72 +
1.73 +void CMMDirectViewFinder::GetImageProcessingImplFactoryL(MImplementationFactory*& /*aImplFactoryPtr*/) const
1.74 + {
1.75 + User::Leave(KErrNotSupported);
1.76 + }
1.77 +
1.78 +TAny* CMMDirectViewFinder::GetDirectSnapshotImpl(TUid /*aInterface*/) const
1.79 + {
1.80 + return NULL;
1.81 + }
1.82 +
1.83 +void CMMDirectViewFinder::SetDirectViewFinderObserver(MDirectViewFinderObserver& aDirectViewFinderObserver)
1.84 + {
1.85 + iDirectViewFinderObserver = &aDirectViewFinderObserver;
1.86 + }
1.87 +
1.88 +void CMMDirectViewFinder::SetDirectViewFinderHandle(CCamera::CCameraV2DirectViewFinder* aDirectViewFinderHandle)
1.89 + {
1.90 + TInt position = iOwner.iHashMap.Count();
1.91 + iDirectViewFinderHandle = aDirectViewFinderHandle;
1.92 + iOwner.iHashMap.Insert(position, iDirectViewFinderHandle);
1.93 + }
1.94 +
1.95 +void CMMDirectViewFinder::StartViewFinderDirectL(RWsSession& aWs, CWsScreenDevice& aScreenDevice, RWindowBase& aWindow, TRect& aScreenRect)
1.96 + {
1.97 + TRect clip;
1.98 + clip.SetWidth(0);
1.99 + clip.SetHeight(0);
1.100 +
1.101 + StartViewFinderDirectL(aWs, aScreenDevice, aWindow, aScreenRect, clip);
1.102 + }
1.103 +
1.104 +void CMMDirectViewFinder::StartViewFinderDirectL(RWsSession& /*aWs*/, CWsScreenDevice& aScreenDevice,
1.105 + RWindowBase& aWindow, TRect& aScreenRect, TRect& aClipRect)
1.106 + {
1.107 + // Make sure device is powered up (implies it has been reserved)
1.108 + if (!iOwner.iPoweredUp)
1.109 + {
1.110 + User::Leave(KErrNotReady);
1.111 + }
1.112 +
1.113 + // Ensure start is not called twice
1.114 + CCamera::CCameraV2DirectViewFinder::TViewFinderState state;
1.115 + GetViewFinderStateL(state);
1.116 + if (state != CCamera::CCameraV2DirectViewFinder::EViewFinderInActive)
1.117 + {
1.118 + User::Leave(KErrNotReady);
1.119 + }
1.120 +
1.121 + TInt error = KErrNone;
1.122 + if (!iPrepareCompleted)
1.123 + {
1.124 + TDirectViewFinderInfo directViewFinderInfo;
1.125 + // Retrieve screen number from the screen device
1.126 + directViewFinderInfo.iScreenNum = aScreenDevice.GetScreenNumber();
1.127 + directViewFinderInfo.iScreenRect = aScreenRect;
1.128 + directViewFinderInfo.iClipRect = aClipRect;
1.129 + TDirectViewFinderInfoPckg directViewFinderInfoPckg(directViewFinderInfo);
1.130 +
1.131 + // Prepare viewfinder for playback and retrieve the surface id from the graphics sink
1.132 + error = iOwner.iCameraSession.SendMessage(ECamPrepareDirectViewFinder, directViewFinderInfoPckg);
1.133 + if (error == KErrNone)
1.134 + {
1.135 + TSurfaceConfiguration surfaceConfig;
1.136 + directViewFinderInfo = directViewFinderInfoPckg();
1.137 +
1.138 + error = surfaceConfig.SetSurfaceId(directViewFinderInfo.iSurfaceId);
1.139 + if (error == KErrNone)
1.140 + {
1.141 + // User::LeaveIfError(surfaceConfig.SetOrientation(CFbsBitGc::EGraphicsOrientationRotated90));
1.142 + error = surfaceConfig.SetExtent(aScreenRect);
1.143 + if (error == KErrNone)
1.144 + {
1.145 + // User::LeaveIfError(aWindow.SetRequiredDisplayMode(EColor64K));
1.146 + error = aWindow.SetBackgroundSurface(surfaceConfig, ETrue);
1.147 + if (error == KErrNone)
1.148 + {
1.149 + iPrepareCompleted = ETrue;
1.150 + }
1.151 + }
1.152 + }
1.153 + }
1.154 + }
1.155 +
1.156 + if (error != KErrNone)
1.157 + {
1.158 + User::Leave(error);
1.159 + }
1.160 +
1.161 + // Start the viewfinder
1.162 + error = iOwner.iCameraSession.SendMessage(ECamStartDirectViewFinder);
1.163 + if (error != KErrNone)
1.164 + {
1.165 + User::Leave(error);
1.166 + }
1.167 +
1.168 + // HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!!
1.169 + // TODO: Here to let tests run. Will be removed once foundation provide event registration/notification APIs
1.170 + iDirectViewFinderObserver->DirectViewFinderFirstFrameDisplayed(*iDirectViewFinderHandle, KErrNone);
1.171 + }
1.172 +
1.173 +void CMMDirectViewFinder::GetDirectViewFinderPropertiesL(TInt& aScreenNumber, TRect& aScreenRect, TRect& aClipRect) const
1.174 + {
1.175 + if (!iPrepareCompleted)
1.176 + {
1.177 + User::Leave(KErrNotReady);
1.178 + }
1.179 +
1.180 + TDirectViewFinderInfo info;
1.181 + TDirectViewFinderInfoPckg pckg(info);
1.182 +
1.183 + iOwner.iCameraSession.SendRxMessage(ECamDirectViewFinderProperties, pckg);
1.184 + info = pckg();
1.185 + aScreenNumber = info.iScreenNum;
1.186 + aScreenRect = info.iScreenRect;
1.187 + aClipRect = info.iClipRect;
1.188 + }
1.189 +
1.190 +void CMMDirectViewFinder::PauseViewFinderDirect()
1.191 + {
1.192 + iOwner.iCameraSession.SendMessage(ECamPauseDirectViewFinder);
1.193 + }
1.194 +
1.195 +void CMMDirectViewFinder::ResumeViewFinderDirect()
1.196 + {
1.197 + iOwner.iCameraSession.SendMessage(ECamResumeDirectViewFinder);
1.198 + // HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!!
1.199 + // TODO: Here to let tests run. Will be removed once foundation provide event registration/notification APIs
1.200 + iDirectViewFinderObserver->DirectViewFinderFirstFrameDisplayed(*iDirectViewFinderHandle, KErrNone);
1.201 + }
1.202 +
1.203 +void CMMDirectViewFinder::GetViewFinderStateL(CCamera::CCameraV2DirectViewFinder::TViewFinderState& aViewFinderState) const
1.204 + {
1.205 + TDirectViewFinderState state;
1.206 + TDirectViewFinderStatePckg pckg(state);
1.207 +
1.208 + User::LeaveIfError(iOwner.iCameraSession.SendRxMessage(ECamDirectViewFinderState, pckg));
1.209 +
1.210 + state = pckg();
1.211 + aViewFinderState = state.iState;
1.212 + }
1.213 +
1.214 +void CMMDirectViewFinder::StopDirectViewFinder()
1.215 + {
1.216 + iOwner.iCameraSession.SendMessage(ECamStopDirectViewFinder);
1.217 + }
1.218 +
1.219 +void CMMDirectViewFinder::Release()
1.220 + {
1.221 + iReferenceCount--;
1.222 + if (iReferenceCount == 0)
1.223 + {
1.224 + delete this;
1.225 + }
1.226 + }
1.227 +
1.228 +void CMMDirectViewFinder::GetViewFinderFadingCapabilitiesL(CCameraViewFinder::TViewFinderFadingCapabilities& /*aVFFadingCapabilities*/) const
1.229 + {
1.230 + User::Leave(KErrNotSupported);
1.231 + }
1.232 +
1.233 +void CMMDirectViewFinder::GetViewFinderFadingEffectL(CCameraViewFinder::TViewFinderFadingEffect& /*aCurrentVFFadingEffect*/) const
1.234 + {
1.235 + User::Leave(KErrNotSupported);
1.236 + }
1.237 +
1.238 +void CMMDirectViewFinder::SetViewFinderFadingEffect(const CCameraViewFinder::TViewFinderFadingEffect& /*aVFFadingEffect*/)
1.239 + {
1.240 + TECAMEvent event(KUidECamEvent2ViewFinderFadingEffect, KErrNotSupported);
1.241 + iOwner.iCameraObserver2->HandleEvent(event);
1.242 + }
1.243 +
1.244 +void CMMDirectViewFinder::GetViewFinderHandleL(TInt& aVFHandle) const
1.245 + {
1.246 + THashMapIter<TInt, CCamera::CCameraV2DirectViewFinder*> iter(iOwner.iHashMap);
1.247 + for (CCamera::CCameraV2DirectViewFinder* const* vF = iter.NextValue(); vF; vF = iter.NextValue())
1.248 + {
1.249 + if (*vF == iDirectViewFinderHandle)
1.250 + {
1.251 + // Handle returned is position within the hash table + 100 (arbitrary value to show uniquenness of handle)
1.252 + aVFHandle = *iter.CurrentKey() + 100;
1.253 + return;
1.254 + }
1.255 + }
1.256 + User::Leave(KErrNotFound);
1.257 + }