mtpdataproviders/mtpplaybackcontroldp/src/cmtppbcgetdevicepropdesc.cpp
branchRCL_3
changeset 19 0aa8cc770c8a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpdataproviders/mtpplaybackcontroldp/src/cmtppbcgetdevicepropdesc.cpp	Tue Aug 31 16:03:15 2010 +0300
@@ -0,0 +1,312 @@
+// 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:
+//
+
+/**
+ @file
+ @internalComponent
+*/
+
+#include <mtp/cmtptypedevicepropdesc.h>
+
+#include "cmtppbcgetdevicepropdesc.h"
+#include "mtpplaybackcontroldpconst.h"
+#include "cmtpplaybackcontroldp.h"
+#include "cmtpplaybackproperty.h"
+#include "cmtpplaybackmap.h"
+#include "cmtpplaybackcommand.h"
+#include "mtpplaybackcontrolpanic.h"
+
+// Class constants.
+__FLOG_STMT(_LIT8(KComponent,"GetPlaybackDevicePropDesc");)
+
+/**
+Two-phase constructor.
+@param aPlugin The data provider plugin
+@param aFramework The data provider framework
+@param aConnection The connection from which the request comes
+@return a pointer to the created request processor object
+*/  
+MMTPRequestProcessor* CMTPPbcGetDevicePropDesc::NewL(MMTPDataProviderFramework& aFramework,
+                                                MMTPConnection& aConnection, 
+                                                CMTPPlaybackControlDataProvider& aDataProvider)
+    {
+    CMTPPbcGetDevicePropDesc* self = new (ELeave) CMTPPbcGetDevicePropDesc(aFramework, aConnection, aDataProvider);
+    return self;
+    }
+
+/**
+Destructor.
+*/    
+CMTPPbcGetDevicePropDesc::~CMTPPbcGetDevicePropDesc()
+    {    
+    __FLOG(_L8("~CMTPPbcGetDevicePropDesc - Entry"));
+    delete iPropDesc;
+    delete iPbCmd;
+    __FLOG(_L8("~CMTPPbcGetDevicePropDesc - Exit"));
+    __FLOG_CLOSE;
+    }
+
+/**
+Constructor.
+*/    
+CMTPPbcGetDevicePropDesc::CMTPPbcGetDevicePropDesc(MMTPDataProviderFramework& aFramework,
+                                            MMTPConnection& aConnection, 
+                                            CMTPPlaybackControlDataProvider& aDataProvider) :
+    CMTPRequestProcessor(aFramework, aConnection, 0, NULL),
+    iPlaybackControlDp(aDataProvider)
+    {
+    //Open the log system
+    __FLOG_OPEN(KMTPSubsystem, KComponent);
+    }
+    
+/**
+GetDevicePropDesc request validator.
+@return EMTPRespCodeOK if request is verified, otherwise one of the error response codes
+*/
+TMTPResponseCode CMTPPbcGetDevicePropDesc::CheckRequestL()
+    {
+    __FLOG(_L8("CheckRequestL - Entry"));
+    TMTPResponseCode respCode = CMTPRequestProcessor::CheckRequestL();
+    if(respCode == EMTPRespCodeOK)
+        {
+        respCode = EMTPRespCodeDevicePropNotSupported;
+        TUint32 propCode = Request().Uint32(TMTPTypeRequest::ERequestParameter1);
+        const TInt count = sizeof(KMTPPlaybackControlDpSupportedProperties) / sizeof(KMTPPlaybackControlDpSupportedProperties[0]);
+        for (TUint i(0); (i < count); i++)
+            {
+            if (propCode == KMTPPlaybackControlDpSupportedProperties[i])
+                {
+                respCode = EMTPRespCodeOK;
+                break;
+                }
+            }
+        }
+
+    __FLOG(_L8("CheckRequestL - Exit"));
+    return respCode;
+    }
+
+/**
+GetDevicePropDesc request handler.
+*/    
+void CMTPPbcGetDevicePropDesc::ServiceL()
+    {
+    __FLOG(_L8("ServiceL - Entry"));
+    //Destroy the previous playback command.
+    delete iPbCmd;
+    iPbCmd = NULL;
+    
+    //Get the device property code
+    TMTPDevicePropertyCode propCode(static_cast<TMTPDevicePropertyCode>(Request().
+                                    Uint32(TMTPTypeRequest::ERequestParameter1)));
+    
+    TMTPPbCtrlData data;
+    data.iOptCode = EMTPOpCodeGetDevicePropDesc;
+    data.iDevPropCode = propCode;
+
+    //Get a new playback command.
+    CMTPPlaybackMap& map(iPlaybackControlDp.GetPlaybackMap());
+    TInt result = map.GetPlaybackControlCommand(data, &iPbCmd);
+
+    if(KErrNone == result)
+        {
+        MMTPPlaybackControl& control(iPlaybackControlDp.GetPlaybackControlL());
+        TRAPD(err, control.CommandL(*iPbCmd, this));
+        __ASSERT_ALWAYS((err == KErrNone), SendResponseL(EMTPRespCodeParameterNotSupported));
+        }
+    else if(KErrNotSupported == result)
+        {
+        SendResponseL(EMTPRespCodeDevicePropNotSupported);
+        }
+    else
+        {
+        SendResponseL(EMTPRespCodeParameterNotSupported);
+        }
+
+    __FLOG(_L8("ServiceL - Exit"));
+    }
+
+void CMTPPbcGetDevicePropDesc::HandlePlaybackCommandCompleteL(CMTPPlaybackCommand* aCmd, TInt aErr)
+    {
+    __FLOG(_L8("HandlePlaybackCommandCompleteL - Entry"));
+    __FLOG_1(_L8("aErr %d"), aErr);
+
+    TBool useDefault = EFalse;
+    switch(aErr)
+        {
+        case KPlaybackErrNone:
+            {
+            __ASSERT_DEBUG((aCmd != NULL), Panic(EMTPPBDataNullErr));
+            __ASSERT_DEBUG((aCmd->PlaybackCommand() == iPbCmd->PlaybackCommand()), Panic(EMTPPBArgumentErr));
+            __ASSERT_ALWAYS((aCmd != NULL), User::Leave(KErrArgument));
+            __ASSERT_ALWAYS((aCmd->PlaybackCommand() == iPbCmd->PlaybackCommand()), User::Leave(KErrArgument));
+            __FLOG_1(_L8("aCmd %d"), aCmd->PlaybackCommand());
+            }
+            break;
+        case KPlaybackErrContextInvalid:
+            {
+            useDefault = ETrue;
+            }
+            break;
+        case KPlaybackErrDeviceUnavailable:
+            {
+            iPlaybackControlDp.RequestToResetPbCtrl();
+            SendResponseL(EMTPRespCodeDeviceBusy);
+            }
+            return;
+
+        default:
+            {
+            SendResponseL(EMTPRespCodeDeviceBusy);
+            }
+            return;
+        }
+
+    delete iPropDesc;
+    iPropDesc = NULL;
+    
+    CMTPPlaybackProperty& property(iPlaybackControlDp.GetPlaybackProperty());
+    TMTPDevicePropertyCode propCode = static_cast<TMTPDevicePropertyCode>
+                                      (Request().Uint32(TMTPTypeRequest::ERequestParameter1));
+
+    switch (propCode)
+        {
+        case EMTPDevicePropCodeVolume:
+            {
+            TMTPPbDataVolume volSet(1,0,1,1,1);
+            if(useDefault)
+                {
+                 property.GetDefaultVolSet(volSet);
+                }
+            else
+                {
+                volSet = aCmd->ParamL().VolumeSetL();
+                property.SetDefaultVolSetL(volSet);
+                }
+
+            CMTPTypeDevicePropDescRangeForm* form = CMTPTypeDevicePropDescRangeForm::NewLC(EMTPTypeUINT32);
+            form->SetUint32L(CMTPTypeDevicePropDescRangeForm::EMaximumValue, volSet.MaxVolume());
+            form->SetUint32L(CMTPTypeDevicePropDescRangeForm::EMinimumValue, volSet.MinVolume());
+            form->SetUint32L(CMTPTypeDevicePropDescRangeForm::EStepSize, volSet.Step());
+            iPropDesc = CMTPTypeDevicePropDesc::NewL(propCode,
+                                                     CMTPTypeDevicePropDesc::EReadWrite, 
+                                                     CMTPTypeDevicePropDesc::ERangeForm,
+                                                     form);
+
+            iPropDesc->SetUint32L(CMTPTypeDevicePropDesc::EFactoryDefaultValue, volSet.DefaultVolume());
+            iPropDesc->SetUint32L(CMTPTypeDevicePropDesc::ECurrentValue, volSet.CurrentVolume());
+            CleanupStack::PopAndDestroy(form);
+            SendDataL(*iPropDesc); 
+            }
+            break;
+
+        case EMTPDevicePropCodePlaybackRate:
+            {
+            CMTPTypeDevicePropDescEnumerationForm* form = CMTPTypeDevicePropDescEnumerationForm::
+                                                          NewLC(EMTPTypeINT32);
+            CMTPPlaybackMap& map(iPlaybackControlDp.GetPlaybackMap());
+
+            TInt32 val = map.PlaybackRateL(EPlayStateBackwardSeeking);
+            TMTPTypeInt32 value(val);
+            form->AppendSupportedValueL(value);
+            
+            val = map.PlaybackRateL(EPlayStatePaused);
+            value.Set(val);
+            form->AppendSupportedValueL(value);
+            
+            val = map.PlaybackRateL(EPlayStatePlaying);
+            value.Set(val);
+            form->AppendSupportedValueL(value);
+            
+            val = map.PlaybackRateL(EPlayStateForwardSeeking);
+            value.Set(val);
+            form->AppendSupportedValueL(value);
+
+            iPropDesc = CMTPTypeDevicePropDesc::NewL(propCode,
+                                                     CMTPTypeDevicePropDesc::EReadWrite, 
+                                                     CMTPTypeDevicePropDesc::EEnumerationForm,
+                                                     form);
+
+            property.GetDefaultPropertyValueL(propCode, val);
+            iPropDesc->SetInt32L(CMTPTypeDevicePropDesc::EFactoryDefaultValue, val);
+
+            if(!useDefault)
+                {
+                TMTPPlaybackState state = static_cast<TMTPPlaybackState>(aCmd->ParamL().Uint32L());
+                val = map.PlaybackRateL(state);
+                }
+            iPropDesc->SetInt32L(CMTPTypeDevicePropDesc::ECurrentValue, val);
+            CleanupStack::PopAndDestroy(form);
+
+            SendDataL(*iPropDesc); 
+            }
+            break;
+        
+        case EMTPDevicePropCodePlaybackObject:
+            {
+            iPropDesc = CMTPTypeDevicePropDesc::NewL(propCode);
+            TUint32 val = 0;
+            property.GetDefaultPropertyValueL(propCode, val);
+            iPropDesc->SetUint32L(CMTPTypeDevicePropDesc::EFactoryDefaultValue, val);
+            CMTPPlaybackMap& map(iPlaybackControlDp.GetPlaybackMap());
+            if(!useDefault)
+                {
+                val = map.ObjectHandleL(aCmd->ParamL().SuidSetL().Suid());                
+                }
+            iPropDesc->SetUint32L(CMTPTypeDevicePropDesc::ECurrentValue, val);
+            SendDataL(*iPropDesc); 
+            }
+            break;
+
+        case EMTPDevicePropCodePlaybackContainerIndex:
+            {
+            iPropDesc = CMTPTypeDevicePropDesc::NewL(propCode);
+            TUint32 val = 0;
+            property.GetDefaultPropertyValueL(propCode, val);
+            iPropDesc->SetUint32L(CMTPTypeDevicePropDesc::EFactoryDefaultValue, val);
+            if(!useDefault)
+                {
+                val = aCmd->ParamL().Uint32L();                
+                }
+            iPropDesc->SetUint32L(CMTPTypeDevicePropDesc::ECurrentValue, val);
+            SendDataL(*iPropDesc); 
+            }
+            break;
+
+        case EMTPDevicePropCodePlaybackPosition:
+            {
+            iPropDesc = CMTPTypeDevicePropDesc::NewL(propCode);
+            TUint32 val = 0;
+            CMTPPlaybackProperty& property(iPlaybackControlDp.GetPlaybackProperty());
+            property.GetDefaultPropertyValueL(propCode, val);
+            iPropDesc->SetUint32L(CMTPTypeDevicePropDesc::EFactoryDefaultValue, val);
+            if(!useDefault)
+                {
+                val = aCmd->ParamL().Uint32L();                
+                }
+            iPropDesc->SetUint32L(CMTPTypeDevicePropDesc::ECurrentValue, val);
+            SendDataL(*iPropDesc);
+            }
+            break;
+        
+        default:
+            {
+            User::Leave(KErrArgument);
+            } 
+            break;
+        }
+
+    __FLOG(_L8("HandlePlaybackCommandCompleteL - Exit"));
+    }