author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 19 Mar 2010 09:28:59 +0200 | |
changeset 23 | 74c9f037fd5d |
child 45 | 863223ea6961 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: DRM utility implementation |
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* |
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*/ |
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/** |
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* @internal reviewed 03/07/2007 by Rowland Cook |
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*/ |
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// INCLUDES |
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#include "glxdrmutility.h" |
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#include <glxpanic.h> |
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#include <DRMHelper.h> |
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#include <DRMCommon.h> |
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#include <caf/caf.h> |
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#include <caf/content.h> |
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#include <caf/data.h> |
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#include <caf/manager.h> |
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const TInt KGlxDRMThumbnailHeight = 120; |
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const TInt KGlxDRMThumbnailWidth = 90; |
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// ======== MEMBER FUNCTIONS ======== |
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/** |
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* CGlxDrmTls |
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* |
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* Global object stored in TLS. |
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* Owns the only instance of a CGlxDRMUtility |
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*/ |
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struct CGlxDrmTls |
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{ |
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CGlxDrmTls(CGlxDRMUtility* aUtility) |
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{ |
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iDrmUtility = aUtility; |
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iRefCount = 0; |
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} |
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CGlxDRMUtility* iDrmUtility; |
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TInt iRefCount; |
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}; |
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//============================================================================ |
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// InstanceL |
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//============================================================================ |
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EXPORT_C CGlxDRMUtility* CGlxDRMUtility::InstanceL() |
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{ |
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CGlxDrmTls* tls = reinterpret_cast<CGlxDrmTls*>(Dll::Tls()); |
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if(tls==NULL) |
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{ |
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CGlxDRMUtility* drmutil = new(ELeave)CGlxDRMUtility(); |
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CleanupStack::PushL(drmutil); |
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drmutil->ConstructL(); |
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tls = new (ELeave) CGlxDrmTls(drmutil); |
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CleanupStack::Pop(drmutil); |
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Dll::SetTls( reinterpret_cast<TAny*>(tls)); |
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} |
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tls->iRefCount++; |
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return tls->iDrmUtility; |
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} |
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//============================================================================ |
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// Close |
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//============================================================================ |
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EXPORT_C void CGlxDRMUtility::Close() |
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{ |
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CGlxDrmTls* tls = reinterpret_cast<CGlxDrmTls*>(Dll::Tls()); |
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if (tls != NULL) |
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{ |
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tls->iRefCount--; |
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// Delete the tls pointer and list manager instance if this was the |
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// last reference |
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if (tls->iRefCount == 0) |
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{ |
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delete tls->iDrmUtility; |
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delete tls; |
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Dll::SetTls(NULL); |
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} |
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} |
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106 |
} |
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107 |
|
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108 |
//============================================================================ |
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// Destructor |
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//============================================================================ |
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CGlxDRMUtility::~CGlxDRMUtility() |
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112 |
{ |
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delete iCManager; |
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delete iDrmHelper; |
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delete iLastConsumedItemUri; |
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} |
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117 |
|
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118 |
//============================================================================ |
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119 |
// CheckOpenRightsL |
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//============================================================================ |
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EXPORT_C TBool CGlxDRMUtility::CheckOpenRightsL( const TDesC& aUri, |
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TBool aCheckViewRights ) |
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123 |
{ |
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// When checking current rights for a URI, clear stored URI |
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TPtr ptr = iLastConsumedItemUri->Des(); |
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ptr.Zero(); |
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iLastConsumedItemUri = iLastConsumedItemUri->ReAllocL( 0 ); |
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128 |
|
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TBool rightsValid = EFalse; |
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TVirtualPathPtr path( aUri, KDefaultContentObject() ); |
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131 |
|
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ContentAccess::TAttribute attr = |
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aCheckViewRights ? ContentAccess::ECanView : ContentAccess::ECanPlay; |
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134 |
|
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// rightsValid is not updated if an error occurs |
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iCManager->GetAttribute( attr, rightsValid, path ); |
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137 |
|
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return rightsValid; |
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139 |
} |
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140 |
|
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141 |
//============================================================================ |
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142 |
// CheckDisplayRightsL |
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143 |
//============================================================================ |
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144 |
EXPORT_C TBool CGlxDRMUtility::CheckDisplayRightsL( const TDesC& aUri, |
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145 |
TBool aCheckViewRights ) |
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146 |
{ |
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// Allow to display if rights for a URI was just consumed (i.e. same as stored URI) |
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if ( iLastConsumedItemUri->Length() > 0 ) |
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149 |
{ |
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if ( aUri.CompareF( *iLastConsumedItemUri ) == 0 ) |
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151 |
{ |
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152 |
return ETrue; |
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153 |
} |
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154 |
} |
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155 |
|
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156 |
// Otherwise, check current rights for the URI |
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157 |
return CheckOpenRightsL( aUri, aCheckViewRights ); |
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158 |
} |
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|
159 |
|
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160 |
//============================================================================ |
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161 |
// ConsumeRightsL |
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162 |
//============================================================================ |
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163 |
EXPORT_C TBool CGlxDRMUtility::ConsumeRightsL(const TDesC& aUri) |
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164 |
{ |
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165 |
TVirtualPathPtr path( aUri, KDefaultContentObject() ); |
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|
166 |
|
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167 |
// Create a CData object to read the content |
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168 |
// Tell the agent we are planning to display the content |
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|
169 |
CData* data = CData::NewLC(path, ContentAccess::EView, EContentShareReadOnly); |
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|
170 |
|
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|
171 |
// When consuming rights for a URI, clear stored URI |
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|
172 |
TPtr oldPtr = iLastConsumedItemUri->Des(); |
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|
173 |
oldPtr.Zero(); |
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|
174 |
iLastConsumedItemUri = iLastConsumedItemUri->ReAllocL( aUri.Length() ); |
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|
175 |
|
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|
176 |
// Execute the intent, tell the agent that we plan to display the content |
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|
177 |
// It is at this point that any stateful rights will be decremented |
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|
178 |
TInt err = data->ExecuteIntent(ContentAccess::EView); |
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|
179 |
if ( err == KErrNone ) |
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|
180 |
{ |
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|
181 |
// Update stored URI |
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182 |
TPtr newPtr = iLastConsumedItemUri->Des(); |
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|
183 |
newPtr.Copy( aUri ); |
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|
184 |
} |
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|
185 |
|
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|
186 |
CleanupStack::PopAndDestroy(data); |
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|
187 |
|
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|
188 |
return (err == KErrNone); |
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|
189 |
} |
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|
190 |
|
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|
191 |
//============================================================================ |
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|
192 |
// Test whether a media item is OMA DRM 2.0 protected and has an associated |
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193 |
// info URL. |
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|
194 |
//============================================================================ |
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|
195 |
EXPORT_C TBool CGlxDRMUtility::CanShowInfoOnlineL(TDesC& aUri) |
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196 |
{ |
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|
197 |
TBool canShowInfoOnline = EFalse; |
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|
198 |
|
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199 |
HBufC8* urlBuf = NULL; |
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200 |
canShowInfoOnline = iDrmHelper->HasInfoUrlL(aUri, urlBuf); |
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|
201 |
|
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|
202 |
// discard buf we don't need it |
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|
203 |
delete urlBuf; |
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|
204 |
|
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|
205 |
return canShowInfoOnline; |
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206 |
} |
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|
207 |
|
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208 |
//============================================================================ |
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209 |
// Open the associated info URL for a media item in the browser. |
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210 |
//============================================================================ |
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EXPORT_C void CGlxDRMUtility::ShowInfoOnlineL(TDesC& aUri) |
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212 |
{ |
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iDrmHelper->OpenInfoUrlL(aUri); |
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} |
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|
215 |
|
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//============================================================================ |
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// Test whether a media item can be set as automated content. |
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//============================================================================ |
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EXPORT_C TBool CGlxDRMUtility::CanSetAsAutomatedL(const TDesC& aUri, |
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TGlxDrmAutomatedType aType) |
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{ |
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TBool canSetAutomated = EFalse; |
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switch(aType) |
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{ |
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case EGlxDrmAutomatedTypeWallpaper: |
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226 |
{ |
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User::LeaveIfError(iDrmHelper->SetAutomatedType(CDRMHelper::EAutomatedTypeWallpaper)); |
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User::LeaveIfError(iDrmHelper->CanSetAutomated(aUri, canSetAutomated)); |
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break; |
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} |
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231 |
default: |
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232 |
break; |
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233 |
}; |
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return canSetAutomated; |
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} |
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236 |
|
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//============================================================================ |
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// SetAsAutomatedL |
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//============================================================================ |
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EXPORT_C void CGlxDRMUtility::SetAsAutomatedL(const TDesC& aUri, |
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TGlxDrmAutomatedType aType) |
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242 |
{ |
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switch(aType) |
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244 |
{ |
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245 |
case EGlxDrmAutomatedTypeWallpaper: |
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246 |
{ |
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TInt error = iDrmHelper->SetAutomatedType(CDRMHelper::EAutomatedTypeWallpaper); |
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if(KErrNone==error) |
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249 |
{ |
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error= iDrmHelper->SetAutomatedPassive(aUri); |
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if(KErrNone!=error) |
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252 |
{ |
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iDrmHelper->HandleErrorL(error, aUri); |
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254 |
} |
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255 |
} |
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|
256 |
|
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257 |
break; |
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258 |
} |
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259 |
default: |
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260 |
break; |
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261 |
}; |
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262 |
} |
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|
263 |
|
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|
264 |
//============================================================================ |
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// ShowDRMDetailsPane |
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266 |
//============================================================================ |
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EXPORT_C void CGlxDRMUtility::ShowDRMDetailsPaneL( const TDesC& aUri ) |
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268 |
{ |
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TRAPD( err, iDrmHelper->LaunchDetailsViewEmbeddedL( aUri ) ); |
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// if no rights ask user to re-activate? |
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if( err == KErrCANoRights ) |
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272 |
{ |
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HBufC* buf = aUri.AllocLC(); |
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|
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iDrmHelper->ActivateContentL( *buf ); |
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CleanupStack::PopAndDestroy( buf ); |
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276 |
} |
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|
277 |
|
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|
278 |
} |
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|
279 |
|
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|
280 |
//============================================================================ |
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281 |
// IsForwardLockedL |
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282 |
//============================================================================ |
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283 |
EXPORT_C TBool CGlxDRMUtility::IsForwardLockedL(const TDesC& aUri) |
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|
284 |
{ |
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|
285 |
TBool forwardLocked = EFalse; |
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|
286 |
TVirtualPathPtr path( aUri, KDefaultContentObject() ); |
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|
287 |
|
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|
288 |
// forwardLocked is not updated if an error occurs |
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|
289 |
iCManager->GetAttribute( ContentAccess::EIsForwardable, forwardLocked, path ); |
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|
290 |
|
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|
291 |
return forwardLocked; |
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|
292 |
} |
74c9f037fd5d
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|
293 |
|
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|
294 |
//============================================================================ |
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|
295 |
// ShowRightsInfoL |
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|
296 |
//============================================================================ |
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Revision: 201007
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|
297 |
EXPORT_C void CGlxDRMUtility::ShowRightsInfoL(const TDesC& aUri) |
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|
298 |
{ |
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Revision: 201007
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|
299 |
iDrmHelper->CheckRightsAmountL( aUri ); |
74c9f037fd5d
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|
300 |
} |
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|
301 |
|
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|
302 |
//============================================================================ |
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|
303 |
// Return size for DRM thumbnail request. |
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|
304 |
//============================================================================ |
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|
305 |
EXPORT_C TSize CGlxDRMUtility::DRMThumbnailSize(TSize& aSize) |
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|
306 |
{ |
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Revision: 201007
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|
307 |
TSize thumbnailSize(KGlxDRMThumbnailWidth, KGlxDRMThumbnailHeight); |
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|
308 |
|
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|
309 |
if((aSize.iWidth*aSize.iHeight)/4 < |
74c9f037fd5d
Revision: 201007
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|
310 |
KGlxDRMThumbnailWidth * KGlxDRMThumbnailHeight) |
74c9f037fd5d
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|
311 |
{ |
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Revision: 201007
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|
312 |
thumbnailSize.iWidth = aSize.iWidth/2; |
74c9f037fd5d
Revision: 201007
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parents:
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|
313 |
thumbnailSize.iHeight = aSize.iHeight/2; |
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} |
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return thumbnailSize; |
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} |
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/** |
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* C++ default constructor. |
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*/ |
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CGlxDRMUtility::CGlxDRMUtility() |
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{ |
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} |
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/** |
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* By default Symbian 2nd phase constructor is private. |
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*/ |
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void CGlxDRMUtility::ConstructL() |
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{ |
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iCManager = ContentAccess::CManager::NewL(); |
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iDrmHelper = CDRMHelper::NewL(); |
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iLastConsumedItemUri = HBufC::NewL(0); |
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} |
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// End of File |