os/mm/mmplugins/cameraplugins/source/mmcameraclientplugin/mmcameraclientsession/src/mmcameraclientsession.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/mmplugins/cameraplugins/source/mmcameraclientplugin/mmcameraclientsession/src/mmcameraclientsession.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,951 @@
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 <ecom/ecom.h>
1.25 +#include <ecom/implementationproxy.h>
1.26 +#include <f32file.h>
1.27 +
1.28 +#include "mmcameraclientsession.h"
1.29 +#include "mmdirectviewfinder.h"
1.30 +
1.31 +#include <graphics/surfaceconfiguration.h>
1.32 +#include "w32std.h"
1.33 +
1.34 +/**
1.35 + * First-phase constructor
1.36 + */
1.37 +CMMCameraClientSession::CMMCameraClientSession():iCameraObserver2(NULL),
1.38 + iReserved(EFalse),
1.39 + iPoweredUp(EFalse),
1.40 + iPrepareCompleted(EFalse),
1.41 + iCollaborativeClient(EFalse)
1.42 + {
1.43 + }
1.44 +
1.45 +/**
1.46 + * NewL() factory function
1.47 + */
1.48 +CMMCameraClientSession* CMMCameraClientSession::NewL()
1.49 + {
1.50 + FileDependencyUtil::CheckFileDependencyL();
1.51 + return new (ELeave) CMMCameraClientSession;
1.52 + }
1.53 +
1.54 +/**
1.55 + * Destructor
1.56 + */
1.57 +CMMCameraClientSession::~CMMCameraClientSession()
1.58 + {
1.59 + delete iCameraPowerHandler;
1.60 + delete iCameraAccessHandler;
1.61 +
1.62 + iHashMap.Close();
1.63 + iCameraSession.Close();
1.64 + }
1.65 +
1.66 +
1.67 +//
1.68 +// from CCameraPlugin
1.69 +//
1.70 +
1.71 +/**
1.72 + * Derived from CCameraPlugin. Second Phase contruction
1.73 + *
1.74 + * @see CCameraPlugin
1.75 + */
1.76 +void CMMCameraClientSession::Construct2L(MCameraObserver& /*aObserver*/, TInt /*aCameraIndex*/)
1.77 + {
1.78 + User::Leave(KErrNotSupported);
1.79 + }
1.80 +
1.81 +/**
1.82 + * Derived from CCameraPlugin. Second Phase contruction for collaborative clients
1.83 + *
1.84 + * @see CCameraPlugin
1.85 + */
1.86 +void CMMCameraClientSession::Construct2DupL(MCameraObserver& /*aObserver*/, TInt /*aCameraHandle*/)
1.87 + {
1.88 + User::Leave(KErrNotSupported);
1.89 + }
1.90 +
1.91 +/**
1.92 + * Derived from CCameraPlugin. Second Phase contruction
1.93 + *
1.94 + * @see CCameraPlugin
1.95 + */
1.96 +void CMMCameraClientSession::Construct2L(MCameraObserver2& aObserver, TInt aCameraIndex, TInt aPriority)
1.97 + {
1.98 + if (aCameraIndex > CamerasAvailable())
1.99 + {
1.100 + User::Leave(KErrNotSupported);
1.101 + }
1.102 +
1.103 + iCameraIndex = aCameraIndex;
1.104 + iPriority = aPriority;
1.105 + iCameraObserver2 = &aObserver;
1.106 +
1.107 + //initialize server
1.108 + //create session
1.109 + User::LeaveIfError(iCameraSession.Connect());
1.110 +
1.111 + //open camera
1.112 + TOpenCamera openCam;
1.113 +
1.114 + openCam.iCameraIndex = iCameraIndex;
1.115 + openCam.iPriority = iPriority;
1.116 + openCam.iHandle = KECamHandleNotKnown;
1.117 + openCam.iMMCapability = ETrue; //could be changed.
1.118 + openCam.iCollaborativeClient = EFalse;
1.119 +
1.120 + TOpenCameraPckg openCamBuf(openCam);
1.121 +
1.122 + User::LeaveIfError(iCameraSession.SendMessage(ECamOpenCamera, openCamBuf));
1.123 + // since this call is synchronous, providing reference to local
1.124 + // varialbe is not a problem.
1.125 +
1.126 + iCameraAccessHandler = CMMCameraAccessHandler::NewL(this, CActive::EPriorityStandard);
1.127 + iCameraPowerHandler = CMMCameraPowerHandler::NewL(this, CActive::EPriorityStandard);
1.128 + }
1.129 +
1.130 +/**
1.131 + * Derived from CCameraPlugin. Second Phase contruction for collaborative clients
1.132 + *
1.133 + * @see CCameraPlugin
1.134 + */
1.135 +void CMMCameraClientSession::Construct2DupL(MCameraObserver2& /*aObserver*/, TInt /*aCameraHandle*/)
1.136 + {
1.137 + User::Leave(KErrNotSupported);
1.138 + }
1.139 +
1.140 +
1.141 +//
1.142 +// from CCamera itself
1.143 +//
1.144 +
1.145 +/**
1.146 + * Retrieves information about the currectly reserved camera device
1.147 + *
1.148 + * @see CCamera::CameraInfo()
1.149 + */
1.150 +void CMMCameraClientSession::CameraInfo(TCameraInfo& /*aInfo*/) const
1.151 + {
1.152 + return;
1.153 + }
1.154 +
1.155 +/**
1.156 + * Reserves the camera
1.157 + *
1.158 + * @see CCamera::Reserve()
1.159 + */
1.160 +void CMMCameraClientSession::Reserve()
1.161 + {
1.162 + iCameraAccessHandler->Reserve();
1.163 + }
1.164 +
1.165 +/**
1.166 + * Relinquishes control of the camera device
1.167 + *
1.168 + * @see CCamera::Release()
1.169 + */
1.170 +void CMMCameraClientSession::Release()
1.171 + {
1.172 + iCameraSession.SendMessage(ECamCameraAccessControl, ECameraRelease);
1.173 + iPoweredUp = EFalse;
1.174 + }
1.175 +
1.176 +/**
1.177 + * Powers on the camera device
1.178 + *
1.179 + * @see CCamera::PowerOn()
1.180 + */
1.181 +void CMMCameraClientSession::PowerOn()
1.182 + {
1.183 + iCameraPowerHandler->PowerOn();
1.184 + }
1.185 +
1.186 +/**
1.187 + * Powers down the camera device
1.188 + *
1.189 + * @see CCamera::PowerOff()
1.190 + */
1.191 +void CMMCameraClientSession::PowerOff()
1.192 + {
1.193 + iCameraSession.SendMessage(ECamPowerCamera, ECameraPowerOff);
1.194 + iPoweredUp = EFalse;
1.195 + }
1.196 +
1.197 +/**
1.198 + * Retrieves the handle of the currently reserved camera
1.199 + *
1.200 + * @see CCamera::Handle()
1.201 + */
1.202 +TInt CMMCameraClientSession::Handle()
1.203 + {
1.204 + TCameraHandle handle;
1.205 + TCameraHandlePckg pckg(handle);
1.206 +
1.207 + iCameraSession.SendRxMessage(ECamCameraHandle, pckg);
1.208 +
1.209 + handle = pckg();
1.210 + return handle.iHandle;
1.211 + }
1.212 +
1.213 +/**
1.214 + * Sets the optical zoom level
1.215 + *
1.216 + * @see CCamera::SetZoomFactorL()
1.217 + */
1.218 +void CMMCameraClientSession::SetZoomFactorL(TInt aZoomFactor)
1.219 + {
1.220 + User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EZoomFactor, aZoomFactor));
1.221 + }
1.222 +
1.223 +/**
1.224 + * Retrieves current optical zoom level
1.225 + *
1.226 + * @see CCamera::ZoomFactor()
1.227 + */
1.228 +TInt CMMCameraClientSession::ZoomFactor() const
1.229 + {
1.230 + TCameraZoom zoomFactor;
1.231 + TCameraZoomPckg pckg(zoomFactor);
1.232 + iCameraSession.SendRxMessage(ECamGetParameter, EZoomFactor, pckg);
1.233 + zoomFactor = pckg();
1.234 + return zoomFactor.iZoom;
1.235 + }
1.236 +
1.237 +/**
1.238 + * Sets the digital zoom level
1.239 + *
1.240 + * @see CCamera::SetDigitalZoomFactorL()
1.241 + */
1.242 +void CMMCameraClientSession::SetDigitalZoomFactorL(TInt aDigitalZoomFactor)
1.243 + {
1.244 + User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EDigitalZoomFactor, aDigitalZoomFactor));
1.245 + }
1.246 +
1.247 +/**
1.248 + * Retrieves the current digital zoom level
1.249 + *
1.250 + * @see CCamera::DigitalZoomFactor()
1.251 + */
1.252 +TInt CMMCameraClientSession::DigitalZoomFactor() const
1.253 + {
1.254 + TCameraDigitalZoom digitalZoomFactor;
1.255 + TCameraDigitalZoomPckg pckg(digitalZoomFactor);
1.256 + iCameraSession.SendRxMessage(ECamGetParameter, EDigitalZoomFactor, pckg);
1.257 + digitalZoomFactor = pckg();
1.258 + return digitalZoomFactor.iDigitalZoom;
1.259 + }
1.260 +
1.261 +/**
1.262 + * Sets the contrast level
1.263 + *
1.264 + * @see CCamera::SetContrastL()
1.265 + */
1.266 +void CMMCameraClientSession::SetContrastL(TInt aContrast)
1.267 + {
1.268 + User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EContrast, aContrast));
1.269 + }
1.270 +
1.271 +/**
1.272 + * Retrieves the current contrast level
1.273 + *
1.274 + * @see CCamera::Contrast()
1.275 + */
1.276 +TInt CMMCameraClientSession::Contrast() const
1.277 + {
1.278 + TCameraContrast contrast;
1.279 + TCameraContrastPckg pckg(contrast);
1.280 + iCameraSession.SendRxMessage(ECamGetParameter, EContrast, pckg);
1.281 + contrast = pckg();
1.282 + return contrast.iContrast;
1.283 + }
1.284 +
1.285 +/**
1.286 + * Sets the brightness level
1.287 + *
1.288 + * @see CCamera::SetBrightnessL()
1.289 + */
1.290 +void CMMCameraClientSession::SetBrightnessL(TInt aBrightness)
1.291 + {
1.292 + User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EBrightness, aBrightness));
1.293 + }
1.294 +
1.295 +/**
1.296 + * Retrieves the current brightness level
1.297 + *
1.298 + * @see CCamera::Brigthness()
1.299 + */
1.300 +TInt CMMCameraClientSession::Brightness() const
1.301 + {
1.302 + TCameraBrightness brightness;
1.303 + TCameraBrightnessPckg pckg(brightness);
1.304 + iCameraSession.SendRxMessage(ECamGetParameter, EBrightness, pckg);
1.305 + brightness = pckg();
1.306 + return brightness.iBrightness;
1.307 + }
1.308 +
1.309 +/**
1.310 + * Sets the flash level
1.311 + *
1.312 + * @see CCamera::SetFlashL()
1.313 + */
1.314 +void CMMCameraClientSession::SetFlashL(TFlash aFlash)
1.315 + {
1.316 + TCameraFlash flash;
1.317 + flash.iFlash = aFlash;
1.318 + TCameraFlashPckg pckg(flash);
1.319 +
1.320 + User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EFlash, pckg));
1.321 + }
1.322 +
1.323 +/**
1.324 + * Retrieves the current flash level
1.325 + *
1.326 + * @see CCamera::Flash()
1.327 + */
1.328 +CCamera::TFlash CMMCameraClientSession::Flash() const
1.329 + {
1.330 + TCameraFlash flash;
1.331 + TCameraFlashPckg pckg(flash);
1.332 +
1.333 + iCameraSession.SendRxMessage(ECamGetParameter, EFlash, pckg);
1.334 + flash = pckg();
1.335 + return flash.iFlash;
1.336 + }
1.337 +
1.338 +/**
1.339 + * Sets the exposure level
1.340 + *
1.341 + * @see CCamera::SetExposureL()
1.342 + */
1.343 +void CMMCameraClientSession::SetExposureL(TExposure aExposure)
1.344 + {
1.345 + TCameraExposure exposure;
1.346 + exposure.iExposure = aExposure;
1.347 + TCameraExposurePckg pckg(exposure);
1.348 +
1.349 + User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EExposure, pckg));
1.350 + }
1.351 +
1.352 +/**
1.353 + * Retrieves the current exposure level
1.354 + *
1.355 + * @see CCamera::Exposure()
1.356 + */
1.357 +CCamera::TExposure CMMCameraClientSession::Exposure() const
1.358 + {
1.359 + TCameraExposure exposure;
1.360 + TCameraExposurePckg pckg(exposure);
1.361 +
1.362 + iCameraSession.SendRxMessage(ECamGetParameter, EExposure, pckg);
1.363 + exposure = pckg();
1.364 + return exposure.iExposure;
1.365 + }
1.366 +
1.367 +/**
1.368 + * Sets the white balance level
1.369 + *
1.370 + * @see CCamera::SetWhiteBalance()
1.371 + */
1.372 +void CMMCameraClientSession::SetWhiteBalanceL(TWhiteBalance aWhiteBalance)
1.373 + {
1.374 + TCameraWhiteBalance whiteBalance;
1.375 + whiteBalance.iWhiteBalance = aWhiteBalance;
1.376 + TCameraWhiteBalancePckg pckg(whiteBalance);
1.377 +
1.378 + User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EWhiteBalance, pckg));
1.379 + }
1.380 +
1.381 +/**
1.382 + * Retrieves the current white balance level
1.383 + *
1.384 + * @see CCamera::WhiteBalance()
1.385 + */
1.386 +CCamera::TWhiteBalance CMMCameraClientSession::WhiteBalance() const
1.387 + {
1.388 + TCameraWhiteBalance whiteBalance;
1.389 + TCameraWhiteBalancePckg pckg(whiteBalance);
1.390 +
1.391 + iCameraSession.SendRxMessage(ECamGetParameter, EWhiteBalance, pckg);
1.392 + whiteBalance = pckg();
1.393 + return whiteBalance.iWhiteBalance;
1.394 + }
1.395 +
1.396 +/**
1.397 + * Starts client direct viewfinder.
1.398 + * Not supported in this implementation.
1.399 + *
1.400 + * @see CCamera::StartViewFinderDirectL()
1.401 + */
1.402 +void CMMCameraClientSession::StartViewFinderDirectL(RWsSession& /*aWs*/, CWsScreenDevice& /*aScreenDevice*/, RWindowBase& /*aWindow*/, TRect& /*aScreenRect*/)
1.403 + {
1.404 + User::Leave(KErrNotSupported);
1.405 + }
1.406 +
1.407 +/**
1.408 + * Starts client direct viewfinder.
1.409 + * Not supported in this implementation.
1.410 + *
1.411 + * @see CCamera::StartViewFinderDirectL()
1.412 + */
1.413 +void CMMCameraClientSession::StartViewFinderDirectL(RWsSession& /*aWs*/, CWsScreenDevice& /*aScreenDevice*/, RWindowBase& /*aWindow*/, TRect& /*aScreenRect*/, TRect& /*aClipRect*/)
1.414 + {
1.415 + User::Leave(KErrNotSupported);
1.416 + }
1.417 +
1.418 +/**
1.419 + * Starts client viewfinder.
1.420 + * Not supported in this implementation.
1.421 + *
1.422 + * @see CCamera::StartViewFinderBitmapsL()
1.423 + */
1.424 +void CMMCameraClientSession::StartViewFinderBitmapsL(TSize& /*aSize*/)
1.425 + {
1.426 + User::Leave(KErrNotSupported);
1.427 + }
1.428 +
1.429 +/**
1.430 + * Starts client viewfinder.
1.431 + * Not supported in this implementation.
1.432 + *
1.433 + * @see CCamera::StartViewFinderBitmapsL()
1.434 + */
1.435 +void CMMCameraClientSession::StartViewFinderBitmapsL(TSize& /*aSize*/, TRect& /*aClipRect*/)
1.436 + {
1.437 + User::Leave(KErrNotSupported);
1.438 + }
1.439 +
1.440 +/**
1.441 + * Starts client viewfinder.
1.442 + * Not supported in this implementation.
1.443 + *
1.444 + * @see CCamera::StartViewFinderL()
1.445 + */
1.446 +void CMMCameraClientSession::StartViewFinderL(CCamera::TFormat /*aImageFormat*/, TSize& /*aSize*/)
1.447 + {
1.448 + User::Leave(KErrNotSupported);
1.449 + }
1.450 +
1.451 +/**
1.452 + * Starts client viewfinder.
1.453 + * Not supported in this implementation.
1.454 + *
1.455 + * @see CCamera::StartViewFinderL()
1.456 + */
1.457 +void CMMCameraClientSession::StartViewFinderL(CCamera::TFormat /*aImageFormat*/, TSize& /*aSize*/, TRect& /*aClipRect*/)
1.458 + {
1.459 + User::Leave(KErrNotSupported);
1.460 + }
1.461 +
1.462 +/**
1.463 + * Stops client viewfinder.
1.464 + * Not supported in this implementation.
1.465 + *
1.466 + * @see CCamera::StopViewFinder()
1.467 + */
1.468 +void CMMCameraClientSession::StopViewFinder()
1.469 + {
1.470 + return;
1.471 + }
1.472 +
1.473 +/**
1.474 + * Queries if viewfinder is active.
1.475 + * Not supported in this implementation.
1.476 + *
1.477 + * @see CCamera::ViewFinderActive()
1.478 + */
1.479 +TBool CMMCameraClientSession::ViewFinderActive() const
1.480 + {
1.481 + return EFalse;
1.482 + }
1.483 +
1.484 +/**
1.485 + * Turns on/off viewfinder mirrorring.
1.486 + * Not supported in this implementation.
1.487 + *
1.488 + * @see CCamera::SetViewFinderMirrorL()
1.489 + */
1.490 +void CMMCameraClientSession::SetViewFinderMirrorL(TBool /*aMirror*/)
1.491 + {
1.492 + User::Leave(KErrNotSupported);
1.493 + }
1.494 +
1.495 +/**
1.496 + * Queries whether viewfinder mirrorring is on or off.
1.497 + * Not supported in this implementation.
1.498 + *
1.499 + * @see CCamera::ViewFinderMirrorL()
1.500 + */
1.501 +TBool CMMCameraClientSession::ViewFinderMirror() const
1.502 + {
1.503 + return EFalse;
1.504 + }
1.505 +
1.506 +/**
1.507 + * Prepares image capture.
1.508 + *
1.509 + * @see CCamera::PrepareImageCapture()
1.510 + */
1.511 +void CMMCameraClientSession::PrepareImageCaptureL(CCamera::TFormat /*aImageFormat*/, TInt /*aSizeIndex*/)
1.512 + {
1.513 + User::Leave(KErrNotSupported);
1.514 + }
1.515 +
1.516 +/**
1.517 + * Prepares image capture.
1.518 + *
1.519 + * @see CCamera::PrepareImageCapture()
1.520 + */
1.521 +void CMMCameraClientSession::PrepareImageCaptureL(CCamera::TFormat /*aImageFormat*/, TInt /*aSizeIndex*/, const TRect& /*aClipRect*/)
1.522 + {
1.523 + User::Leave(KErrNotSupported);
1.524 + }
1.525 +
1.526 +/**
1.527 + * Captures image.
1.528 + *
1.529 + * @see CCamera::CaptureImage()
1.530 + */
1.531 +void CMMCameraClientSession::CaptureImage()
1.532 + {
1.533 + return;
1.534 + }
1.535 +
1.536 +/**
1.537 + * Cancels any ongoing image capture.
1.538 + *
1.539 + * @see CCamera::CaptureImage()
1.540 + */
1.541 +void CMMCameraClientSession::CancelCaptureImage()
1.542 + {
1.543 + return;
1.544 + }
1.545 +
1.546 +/**
1.547 + * Enumerates image capture sizes.
1.548 + *
1.549 + * @see CCamera::EnumerateCaptureSizes()
1.550 + */
1.551 +void CMMCameraClientSession::EnumerateCaptureSizes(TSize& /*aSize*/, TInt /*aSizeIndex*/, CCamera::TFormat /*aFormat*/) const
1.552 + {
1.553 + return;
1.554 + }
1.555 +
1.556 +/**
1.557 + * Prepares video capture.
1.558 + *
1.559 + * @see CCamera::PrepareVideoCaptureL()
1.560 + */
1.561 +void CMMCameraClientSession::PrepareVideoCaptureL(CCamera::TFormat /*aFormat*/, TInt /*aSizeIndex*/, TInt /*aRateIndex*/, TInt /*aBuffersToUse*/, TInt /*aFramesPerBuffer*/)
1.562 + {
1.563 + User::Leave(KErrNotSupported);
1.564 + }
1.565 +
1.566 +/**
1.567 + * Prepares video capture.
1.568 + *
1.569 + * @see CCamera::PrepareVideoCaptureL()
1.570 + */
1.571 +void CMMCameraClientSession::PrepareVideoCaptureL(CCamera::TFormat /*aFormat*/, TInt /*aSizeIndex*/, TInt /*aRateIndex*/, TInt /*aBuffersToUse*/, TInt /*aFramesPerBuffer*/, const TRect& /*aClipRect*/)
1.572 + {
1.573 + User::Leave(KErrNotSupported);
1.574 + }
1.575 +
1.576 +/**
1.577 + * Starts video capture.
1.578 + *
1.579 + * @see CCamera::StartVideoCapture()
1.580 + */
1.581 +void CMMCameraClientSession::StartVideoCapture()
1.582 + {
1.583 + return;
1.584 + }
1.585 +
1.586 +/**
1.587 + * Stops video capture.
1.588 + *
1.589 + * @see CCamera::StopVideoCapture()
1.590 + */
1.591 +void CMMCameraClientSession::StopVideoCapture()
1.592 + {
1.593 + return;
1.594 + }
1.595 +
1.596 +/**
1.597 + * Queries whether video capture is active.
1.598 + *
1.599 + * @see CCamera::VideoCaptureActive()
1.600 + */
1.601 +TBool CMMCameraClientSession::VideoCaptureActive() const
1.602 + {
1.603 + return EFalse;
1.604 + }
1.605 +
1.606 +/**
1.607 + * Enumerates video frame sizes.
1.608 + *
1.609 + * @see CCamera::EnumerateVideoFrameSizes()
1.610 + */
1.611 +void CMMCameraClientSession::EnumerateVideoFrameSizes(TSize& /*aSize*/, TInt /*aSizeIndex*/, CCamera::TFormat /*aFormat*/) const
1.612 + {
1.613 + return;
1.614 + }
1.615 +
1.616 +/**
1.617 + * Enumerates video frame rates.
1.618 + *
1.619 + * @see CCamera::EnumerateVideoFrameRates()
1.620 + */
1.621 +void CMMCameraClientSession::EnumerateVideoFrameRates(TReal32& /*aRate*/, TInt /*aRateIndex*/, CCamera::TFormat /*aFormat*/, TInt /*aSizeIndex*/, TExposure /*aExposure*/) const
1.622 + {
1.623 + return;
1.624 + }
1.625 +
1.626 +/**
1.627 + * Retrieve the frame size.
1.628 + *
1.629 + * @see CCamera::GetFrameSize()
1.630 + */
1.631 +void CMMCameraClientSession::GetFrameSize(TSize& /*aSize*/) const
1.632 + {
1.633 + return;
1.634 + }
1.635 +
1.636 +/**
1.637 + * Retrieve the frame rate.
1.638 + *
1.639 + * @see CCamera::FrameRate()
1.640 + */
1.641 +TReal32 CMMCameraClientSession::FrameRate() const
1.642 + {
1.643 + return static_cast<TReal32>(0);
1.644 + }
1.645 +
1.646 +/**
1.647 + * Retrieve the number of buffers currently in use.
1.648 + *
1.649 + * @see CCamera::BuffersInUse()
1.650 + */
1.651 +TInt CMMCameraClientSession::BuffersInUse() const
1.652 + {
1.653 + return 0;
1.654 + }
1.655 +
1.656 +/**
1.657 + * Retrieve the number of frames per buffer.
1.658 + *
1.659 + * @see CCamera::FramesPerBuffer()
1.660 + */
1.661 +TInt CMMCameraClientSession::FramesPerBuffer() const
1.662 + {
1.663 + return 0;
1.664 + }
1.665 +
1.666 +/**
1.667 + * Set the Jpeg quality.
1.668 + *
1.669 + * @see CCamera::SetJpegQuality()
1.670 + */
1.671 +void CMMCameraClientSession::SetJpegQuality(TInt /*aQuality*/)
1.672 + {
1.673 + return;
1.674 + }
1.675 +
1.676 +/**
1.677 + * Retrieve the Jpeg quality.
1.678 + *
1.679 + * @see CCamera::JpegQuality()
1.680 + */
1.681 +TInt CMMCameraClientSession::JpegQuality() const
1.682 + {
1.683 + return 0;
1.684 + }
1.685 +
1.686 +/**
1.687 + * Retrieves a custom interface based on the id passed in by the client.
1.688 + *
1.689 + * @see CCamera::CustomInterface()
1.690 + */
1.691 +TAny* CMMCameraClientSession::CustomInterface(TUid aInterface)
1.692 + {
1.693 + switch (aInterface.iUid)
1.694 + {
1.695 + // The framework retrieves KECamMCameraV2DirectViewFinderUidValue followed by KECamMCameraBaseV2DirectViewFinderUidValue
1.696 + // We take care to initialise iDirectViewFinder in the first case and use it in the subsequent call
1.697 + case KECamMCameraV2DirectViewFinderUidValue:
1.698 + {
1.699 + ASSERT(!iDirectViewFinder);
1.700 + TRAPD(err, iDirectViewFinder = CMMDirectViewFinder::NewL(*this));
1.701 + if (err != KErrNone)
1.702 + {
1.703 + return NULL;
1.704 + }
1.705 +
1.706 + return static_cast<MCameraV2DirectViewFinder*>(iDirectViewFinder);
1.707 + }
1.708 +
1.709 + case KECamMCameraBaseV2DirectViewFinderUidValue:
1.710 + {
1.711 + ASSERT(iDirectViewFinder);
1.712 + iVF = static_cast<MCameraViewFinder*>(iDirectViewFinder);
1.713 + //delete iDirectViewFinder;
1.714 + iDirectViewFinder = NULL;
1.715 + return iVF;
1.716 + }
1.717 +
1.718 + default:
1.719 + {
1.720 + return NULL;
1.721 + }
1.722 + }
1.723 + }
1.724 +
1.725 +//
1.726 +// From CCameraInfoPlugin
1.727 +//
1.728 +CMMCameraClientSessionInfo* CMMCameraClientSessionInfo::NewL()
1.729 + {
1.730 + FileDependencyUtil::CheckFileDependencyL();
1.731 + return new (ELeave) CMMCameraClientSessionInfo;
1.732 + }
1.733 +
1.734 +CMMCameraClientSessionInfo::~CMMCameraClientSessionInfo()
1.735 + {
1.736 + }
1.737 +
1.738 +/**
1.739 + * Retrieves the number of cameras available.
1.740 + *
1.741 + * @see CCameraInfoPlugin::CamerasAvailable()
1.742 + */
1.743 +TInt CMMCameraClientSessionInfo::CamerasAvailable()
1.744 + {
1.745 + // One-off connection to the server
1.746 + RMMCameraSession cameraSession;
1.747 + TInt error = cameraSession.Connect();
1.748 + if (error != KErrNone)
1.749 + {
1.750 + return 0;
1.751 + }
1.752 +
1.753 + TCamerasAvailable info;
1.754 + TCamerasAvailablePckg pckg(info);
1.755 +
1.756 + error = cameraSession.SendMessage(ECamQueryCamerasAvailable, pckg);
1.757 + cameraSession.Close();
1.758 + if (error != KErrNone)
1.759 + {
1.760 + return 0;
1.761 + }
1.762 +
1.763 + info = pckg();
1.764 + return info.iCameraCount;
1.765 + }
1.766 +
1.767 +CMMCameraClientSessionInfo::CMMCameraClientSessionInfo()
1.768 + {
1.769 + }
1.770 +
1.771 +
1.772 +
1.773 +void FileDependencyUtil::CheckFileDependencyL()
1.774 + {
1.775 + RFs fsSession;
1.776 + RFile file;
1.777 + CleanupClosePushL(fsSession);
1.778 + User::LeaveIfError(fsSession.Connect());
1.779 + TInt err = file.Open(fsSession, KMMCameraPluginName, EFileRead);
1.780 + file.Close();
1.781 + if(err != KErrNone)
1.782 + {
1.783 + User::LeaveIfError(KErrNotSupported);
1.784 + }
1.785 + CleanupStack::PopAndDestroy(&fsSession);
1.786 + }
1.787 +
1.788 +
1.789 +//
1.790 +// CLASS CMMCameraAccessHandler
1.791 +//
1.792 +
1.793 +CMMCameraAccessHandler::CMMCameraAccessHandler(CMMCameraClientSession* aPlugin, TInt aPriority): CActive(aPriority),
1.794 + iPlugin(aPlugin)
1.795 + {
1.796 + }
1.797 +
1.798 +CMMCameraAccessHandler* CMMCameraAccessHandler::NewL(CMMCameraClientSession* aPlugin, TInt aPriority)
1.799 + {
1.800 + CMMCameraAccessHandler* self = new (ELeave) CMMCameraAccessHandler(aPlugin, aPriority);
1.801 + CActiveScheduler::Add(self);
1.802 + return self;
1.803 + }
1.804 +
1.805 +CMMCameraAccessHandler::~CMMCameraAccessHandler()
1.806 + {
1.807 + Cancel();
1.808 + }
1.809 +
1.810 +void CMMCameraAccessHandler::Reserve()
1.811 + {
1.812 + if(!IsActive())
1.813 + {
1.814 + // Reserve the camera
1.815 + iPlugin->iCameraSession.ReceiveMessage(ECamCameraAccessControl, ECameraReservedNotification, iStatus);
1.816 + SetActive();
1.817 + }
1.818 + else
1.819 + {
1.820 + // Reserve has been called again before first call has completed so notify the client
1.821 + TECAMEvent ecamEvent(KUidECamEventReserveComplete, KErrInUse);
1.822 + iPlugin->iCameraObserver2->HandleEvent(ecamEvent);
1.823 + }
1.824 + }
1.825 +
1.826 +void CMMCameraAccessHandler::RunL()
1.827 + {
1.828 + TInt ret = iStatus.Int();
1.829 +
1.830 + if(!iPlugin->iReserved)
1.831 + {
1.832 + if(KErrNone == ret)
1.833 + {
1.834 + iPlugin->iReserved = ETrue;
1.835 + if(!IsActive())
1.836 + {
1.837 + // Continue monitoring for overthrow messages should a higher priority client reserve the same camera index
1.838 + iPlugin->iCameraSession.ReceiveMessage(ECamCameraAccessControl, ECameraOverthrowNotification, iStatus);
1.839 + SetActive();
1.840 + }
1.841 + }
1.842 +
1.843 + // notify the client that reserve has completed, successfully or otherwise
1.844 + TECAMEvent ecamEvent(KUidECamEventReserveComplete, ret);
1.845 + iPlugin->iCameraObserver2->HandleEvent(ecamEvent);
1.846 + }
1.847 + else
1.848 + {
1.849 + iPlugin->iReserved = EFalse;
1.850 +
1.851 + if (ret == KErrNone)
1.852 + {
1.853 + // Client has been overthrown by a second client with higher priority
1.854 + TECAMEvent ecamEvent(KUidECamEventCameraNoLongerReserved, ret);
1.855 + iPlugin->iCameraObserver2->HandleEvent(ecamEvent);
1.856 + }
1.857 + }
1.858 + }
1.859 +
1.860 +void CMMCameraAccessHandler::DoCancel()
1.861 + {
1.862 + if(!iPlugin->iReserved)
1.863 + {
1.864 + iPlugin->iCameraSession.SendMessage(ECamCameraAccessControl, ECameraCancelReservedNotification);
1.865 +
1.866 + // Notify client that ongoing reserve request was cancelled
1.867 + TECAMEvent ecamEvent(KUidECamEventReserveComplete, KErrCancel);
1.868 + iPlugin->iCameraObserver2->HandleEvent(ecamEvent);
1.869 + }
1.870 + else
1.871 + {
1.872 + iPlugin->iCameraSession.SendMessage(ECamCameraAccessControl, ECameraCancelOverthrowNotification);
1.873 + iPlugin->iReserved = EFalse;
1.874 + }
1.875 + }
1.876 +
1.877 +
1.878 +//
1.879 +//
1.880 +// CLASS CMMCameraPowerHandler
1.881 +//
1.882 +
1.883 +CMMCameraPowerHandler::CMMCameraPowerHandler(CMMCameraClientSession* aPlugin, TInt aPriority): CActive(aPriority),
1.884 + iPlugin(aPlugin)
1.885 + {
1.886 + }
1.887 +
1.888 +CMMCameraPowerHandler* CMMCameraPowerHandler::NewL(CMMCameraClientSession* aPlugin, TInt aPriority)
1.889 + {
1.890 + CMMCameraPowerHandler* self = new (ELeave) CMMCameraPowerHandler(aPlugin, aPriority);
1.891 + CActiveScheduler::Add(self);
1.892 + return self;
1.893 + }
1.894 +
1.895 +CMMCameraPowerHandler::~CMMCameraPowerHandler()
1.896 + {
1.897 + Cancel();
1.898 + }
1.899 +
1.900 +void CMMCameraPowerHandler::PowerOn()
1.901 + {
1.902 + if(!IsActive())
1.903 + {
1.904 + iPlugin->iCameraSession.ReceiveMessage(ECamPowerCamera, ECameraPowerOnNotification, iStatus);
1.905 + SetActive();
1.906 + }
1.907 + else
1.908 + {
1.909 + // PowerOn has been called again before first call has completed so notify the client
1.910 + TECAMEvent ecamEvent(KUidECamEventPowerOnComplete, KErrAlreadyExists);
1.911 + iPlugin->iCameraObserver2->HandleEvent(ecamEvent);
1.912 + }
1.913 + }
1.914 +
1.915 +void CMMCameraPowerHandler::RunL()
1.916 + {
1.917 + TInt ret = iStatus.Int();
1.918 +
1.919 + if(!iPlugin->iPoweredUp)
1.920 + {
1.921 + if (ret == KErrNone)
1.922 + {
1.923 + iPlugin->iPoweredUp = ETrue;
1.924 + }
1.925 + }
1.926 +
1.927 + TECAMEvent ecamEvent(KUidECamEventPowerOnComplete, ret);
1.928 + iPlugin->iCameraObserver2->HandleEvent(ecamEvent);
1.929 + }
1.930 +
1.931 +void CMMCameraPowerHandler::DoCancel()
1.932 + {
1.933 + if(!iPlugin->iPoweredUp)
1.934 + {
1.935 + iPlugin->iCameraSession.SendMessage(ECamPowerCamera, ECameraCancelPowerOnNotification);
1.936 + }
1.937 + }
1.938 +
1.939 +
1.940 +// __________________________________________________________________________
1.941 +// Exported proxy for instantiation method resolution
1.942 +// Define the interface UIDs
1.943 +const TImplementationProxy ImplementationTable[] =
1.944 + {
1.945 + IMPLEMENTATION_PROXY_ENTRY(KUidMMCameraClientSession, CMMCameraClientSession::NewL),
1.946 + IMPLEMENTATION_PROXY_ENTRY(KUidMMCameraClientSessionInfo, CMMCameraClientSessionInfo::NewL)
1.947 + };
1.948 +
1.949 +EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
1.950 + {
1.951 + aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
1.952 +
1.953 + return ImplementationTable;
1.954 + }