Symbian3/PDK/Source/GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Thu, 11 Mar 2010 18:02:22 +0000
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parent 1 25a17d01db0c
child 5 f345bda72bc4
permissions -rw-r--r--
week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C" xml:lang="en"><title>Handling
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DRM Content</title><prolog><metadata><keywords/></metadata></prolog><conbody>
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<p>Content Access Framework (CAF) provides services that enable agents to
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publish content in a generic manner that is easy for applications to use.
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Applications use the Consumer API to render a content and multimedia plug-ins. </p>
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<p> <b>Note:</b> Rendering is a process of reading data from a file, transforming
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it, then playing or displaying it on the device. </p>
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<p><b>Access to content within archive files </b> </p>
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<p>An archive file contains content objects and other containers within the
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file. Each container within the file may contain more content objects or further
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containers. Common examples of archive files are zip and tar files. </p>
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<p>CAF allows applications to open archive files and read content from inside
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them. The content objects and containers inside the file can be traversed
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using the <xref href="GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601.dita#GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601/GUID-FC40011B-32D3-328B-BB59-35BEF46A215A"><apiname>ContentAccess::CContent</apiname></xref> class. The class allows
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applications to use the content within these container files without needing
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to understand any specifics of the compression or storage mechanism used by
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the archive. </p>
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<section><title>Required background</title> <p>Before you start, you must
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understand: </p> <ul>
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<li id="GUID-099EC8EB-0A45-5FBF-9F55-B38D9C0AFCA8"><p><xref href="GUID-84B6389A-55CC-53EB-8725-65F753FD7217.dita"> Content
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Access Framework for DRM</xref>  </p> </li>
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<li id="GUID-16D006BB-3D7E-5439-BFFC-727EFF82D40E"><p><xref href="GUID-B5CC77D2-5871-51D8-B359-77EFC081B423.dita">Files
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Containing Multiple Content Objects</xref>  </p> </li>
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<li id="GUID-7029E2F7-A26A-5EC7-A435-0984C2CEE717"><p><xref href="GUID-B6912FE7-4C2A-5FC7-BDA8-702CA2C0214A.dita">Content
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Object Attributes</xref>  </p> </li>
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</ul> </section>
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<section><title>Introduction</title> <p>Content Access Framework also allows
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applications to open archive files and read content from inside them. The
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content objects and containers inside the file can be traversed using the <xref href="GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601.dita#GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601/GUID-FC40011B-32D3-328B-BB59-35BEF46A215A"><apiname>ContentAccess::CContent</apiname></xref> class.
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This class allows applications to use the content within the container files
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without needing to understand any specifics of the compression or storage
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mechanism used by the archive. See <xref href="GUID-B5CC77D2-5871-51D8-B359-77EFC081B423.dita">Files
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Containing Multiple Content Objects</xref> for more information. </p> <p>The
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following diagram is an example of a content file. The same diagram is used
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in the procedure to illustrate the implementation of Consumer API. </p> <fig id="GUID-BA86F65C-C34B-57C3-8FD5-A76C61EDF035">
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<title>              Example content file            </title>
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<image href="GUID-1467745D-7C3F-52EC-8C1E-7E2F505B7313_d0e608140_href.png" placement="inline"/>
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</fig> </section>
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<section><title>Procedure</title> <ol id="GUID-FE716629-86BE-513F-82F5-89107FB41F0E">
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<li id="GUID-BD7166E0-7D9C-5F55-9DF3-1DE17AEBB80B"><p><xref href="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita#GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C/GUID-09F7434B-318B-5084-8E8B-54FA0ED48031">Create a content object</xref>. </p> </li>
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<li id="GUID-2BADD3D3-D167-5212-942C-3A3CF4B7D25F"><p>Perform one or more
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of the following tasks as per your requirement: </p> <ul>
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<li id="GUID-8DFAF3E7-DC67-51E2-B609-85975BD6A564"><p><xref href="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita#GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C/GUID-26189931-0BE0-5BB7-98F1-9B7DF08C6C8F">List objects within a container</xref>. </p> </li>
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<li id="GUID-74B9014B-EFCA-5BFA-8E15-286E837D832C"><p><xref href="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita#GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C/GUID-03355CA5-D049-5625-9187-2E91FFAF703A">Open a container</xref>. </p> </li>
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<li id="GUID-ACC262EF-BBD6-5811-9EE3-A346FE600694"><p><xref href="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita#GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C/GUID-71C5AA3E-9C4B-5F77-B6D8-D09E00593EB8">Open the metadata specific to an agent</xref>. </p> </li>
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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<li id="GUID-34F3E3F3-816A-5B92-8772-05AD72910F56"><p><xref href="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita#GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C/GUID-5B42E479-D3F1-5B2A-8B6F-4841E49E4B3D">Display content object information</xref>. </p> </li>
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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<li id="GUID-5EC62609-8B8E-549A-806F-628C64FBE81B"><p><xref href="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita#GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C/GUID-20F9B6AC-F2B1-5E8E-93F2-8AE4AD0ED1F6">Retrieve the attributes of a content</xref>. </p> </li>
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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<li id="GUID-C5F1A5F7-D83B-5FD1-814C-4B0E9416C815"><p><xref href="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita#GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C/GUID-8D6C9025-7409-5019-88B2-A99A8E020443">Search for a MIME type within a file</xref>. </p> </li>
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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<li id="GUID-12C912EE-4195-5B3C-82C6-007E76629156"><p><xref href="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita#GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C/GUID-447A73D2-AF49-598E-865E-C2CEF1958C14">Read data from a content object</xref>. </p> </li>
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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<li id="GUID-A9FB0738-754E-5879-A2F5-E88C5F4C7751"><p><xref href="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita#GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C/GUID-AAFE84D9-01AF-5F27-9BC2-064A565F3D53">Handle data corruption</xref>. </p> </li>
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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<li id="GUID-E57145C0-DF25-5F32-9368-D86627E97B05"><p><xref href="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita#GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C/GUID-15A1A9B3-BB5D-5677-BFE9-47EABD4064BF">Handle errors</xref>. </p> </li>
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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<li id="GUID-935D7FB6-15EB-5DFB-89A0-58C0C29E736D"><p><xref href="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita#GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C/GUID-6A50AE44-E618-5D99-B5D8-7BBA8FE7948A">Handle rights for DRM content</xref>. </p> </li>
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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<li id="GUID-BEA5163A-5A5E-510B-AD36-313CC820DDBD"><p><xref href="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita#GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C/GUID-635EE5EF-469D-5FD3-9400-25DF95FD2E96">Get content object notifications</xref>. </p> </li>
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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<li id="GUID-2828C1A0-8E91-5B46-88FD-09CF0C36F40B"><p><xref href="GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C.dita#GUID-09A760FD-4C2A-5F79-91F2-DCC25A63699C/GUID-DDAE0B57-B296-58E8-8220-AE5AA9BF7B8D">Close a container</xref>. </p> </li>
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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</ul> </li>
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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</ol> <p id="GUID-09F7434B-318B-5084-8E8B-54FA0ED48031"><b>Create a CContent
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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object</b> </p> <p>The <xref href="GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601.dita#GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601/GUID-FC40011B-32D3-328B-BB59-35BEF46A215A"><apiname>ContentAccess::CContent</apiname></xref> object encapsulates
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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a single file. It allows an application to look at the structure of the objects
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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within the file and the attributes of those objects. </p> <p>There are two
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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ways to create a <xref href="GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A.dita"><apiname>CContent</apiname></xref> object. The application can specify
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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the URI of the content or it can supply an open file handle, see <xref href="GUID-B5CC77D2-5871-51D8-B359-77EFC081B423.dita#GUID-B5CC77D2-5871-51D8-B359-77EFC081B423/GUID-28BE6074-E800-5320-89DD-D047F5C0FD86">Objects used to identify a content object within a file</xref>. </p> <codeblock id="GUID-AAF09718-0FF4-544F-B5B1-3202C58ABC95" xml:space="preserve">// Create a CContent with a URI 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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CContent *content = CContent::NewL(uri); 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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// Create a CContent with an existing file handle
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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CContent *content = CContent::NewL(aFs, aFile);</codeblock> <p>Upon creation, <xref href="GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A.dita"><apiname>CContent</apiname></xref> selects
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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the agent that handles the file. </p> <p id="GUID-26189931-0BE0-5BB7-98F1-9B7DF08C6C8F"><b>List
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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objects within a container</b> </p> <p> <xref href="GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601.dita#GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601/GUID-FC40011B-32D3-328B-BB59-35BEF46A215A"><apiname>ContentAccess::CContent</apiname></xref> acts
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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like a cursor, only able to list the contents of one container object at any
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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one time. When <xref href="GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A.dita"><apiname>CContent</apiname></xref> is first opened, it views the top-level
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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container within the file. The top level container is actually the file itself.
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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This top level container concept applies to all files, regardless of how many
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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content or container objects are inside. </p> <p>Even a content file such
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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as a jpeg image is a container, it's just that the file only has the <codeph>"DEFAULT"</codeph> object
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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embedded inside. </p> <p>So, when the example file shown earlier is opened,
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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the following objects can be seen by the <xref href="GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A.dita"><apiname>CContent</apiname></xref>: </p> <fig id="GUID-EC064DCF-FC5D-59AC-BF5F-378A57808A47">
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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<image href="GUID-518FC822-AF10-57E8-990E-BB03C2D6ACBE_d0e608313_href.png" placement="inline"/>
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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</fig> <p>In this top level container, there is only one embedded content
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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object visible (the <filepath>.jpg</filepath> file) and two embedded container
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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objects. </p> <codeblock id="GUID-87F01EE6-EDEC-584B-844C-1DDB939FB5B3" xml:space="preserve">// Create an array to store the results of CContent::GetEmbeddedObjectsL() 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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RStreamablePtrArray&lt;CEmbeddedObject&gt; myArray; 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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CleanupClosePushL(myArray); 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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// Get the embedded content objects in the current container 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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content-&gt;GetEmbeddedObjectsL(myArray, EContentObject); 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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i = myArray.Count(); // One content object 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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// clear the contents of the array 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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myArray.ResetAndDestroy(); 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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// Get the number of container objects in the current container
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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content-&gt;GetEmbeddedObjectsL(myArray, EContainerObject); 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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i = myArray.Count(); // Two container objects 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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// clear the contents of the array 
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myArray-&gt;ResetAndDestroy();</codeblock> <p id="GUID-03355CA5-D049-5625-9187-2E91FFAF703A"><b>Open
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a container</b> </p> <p>To investigate the objects inside a container, <xref href="GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A.dita"><apiname>CContent</apiname></xref> must
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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first open the container. This changes <xref href="GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A.dita"><apiname>CContent</apiname></xref>'s focus
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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from the current container to the container specified in the <xref href="GUID-FC40011B-32D3-328B-BB59-35BEF46A215A.dita#GUID-FC40011B-32D3-328B-BB59-35BEF46A215A/GUID-BB793B8F-1A01-3169-99E6-4630E9B5581C"><apiname>ContentAccess::CContent::OpenContainer()</apiname></xref> function. </p> <p><i>Open
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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container 1 from the top level of the file</i> </p> <codeblock id="GUID-7239CC22-292D-54BD-A50B-76413A887AD7" xml:space="preserve">// Get the container objects in the top level of the file 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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content-&gt;GetEmbeddedObjects(myArray, EContainerObject); 
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// Find the Unique Id of the first container 
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TPtrC UniqueId = myArray[0]-&gt;UniqueId() 
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// Open the first container 
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content-&gt;OpenContainer(UniqueId);</codeblock> <p>Now <xref href="GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A.dita"><apiname>CContent</apiname></xref> can
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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see the contents of Container 1: </p> <fig id="GUID-2A67C29A-FBF3-553E-B653-462F5128B2F4">
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<image href="GUID-DC7E3634-9762-542F-BDAE-AC1F2D03F55D_d0e608362_href.png" placement="inline"/>
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</fig> <p>At this point, listing the objects that <xref href="GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A.dita"><apiname>CContent</apiname></xref> can
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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see gives six MP3 files and one container object. </p> <codeblock id="GUID-F1A7C149-9AB1-5DD2-BE20-280431DBAF40" xml:space="preserve">// Get the embedded content objects in the current container 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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content-&gt;GetEmbeddedObjectsL(myArray, EContentObject); 
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i = myArray.Count(); // Six content objects
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myArray.ResetAndDestroy(); 
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// Get the number of container objects in the current container 
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content-&gt;GetEmbeddedObjectsL(myArray, EContainerObject);
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i = myArray.Count(); // One container object 
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myArray.ResetAndDestroy();</codeblock> <p> <b> Note: </b> The same process
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can be followed again to see the contents of Container 1.1. </p> <p id="GUID-71C5AA3E-9C4B-5F77-B6D8-D09E00593EB8"><b>Open
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the metadata specific to an agent</b> </p> <p>Some agents may expose metadata
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so they can be read using a <xref href="GUID-136D0282-4C73-33E9-B9D4-9CE92A33BF75.dita"><apiname>CData</apiname></xref> object. The format of
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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these meta-data objects is not specified by the Content Access Framework but
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can be useful for applications familiar with the agent to read meta data this
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way. </p> <p> <codeph>CData</codeph> objects for agent specific metadata can
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be opened in the same way content objects are opened, using the <xref href="GUID-FC40011B-32D3-328B-BB59-35BEF46A215A.dita#GUID-FC40011B-32D3-328B-BB59-35BEF46A215A/GUID-32BA0116-1D7F-31B1-B80E-32E1F55803C3"><apiname>ContentAccess::CContent::OpenContentL()</apiname></xref> function. </p> <codeblock id="GUID-62EB232A-E9D6-5151-A69B-87CA26E97A9D" xml:space="preserve">// Create an array to store the embedded objects 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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...
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// Get the embedded "Agent Specific" objects in the current container
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content-&gt;GetEmbeddedObjectsL(myArray, EAgentSpecificObject); 
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// Get the unique Id of the first meta-data object 
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TPtrC uniqueId = myArray[0]-&gt;UniqueId();
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// create a CData object to read the meta data 
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CData *myMetaData = content-&gt;OpenContent(EPeek, uniqueId);</codeblock> <p id="GUID-5B42E479-D3F1-5B2A-8B6F-4841E49E4B3D"><b>Display content object information</b> </p> <p>The <xref href="GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A.dita#GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A/GUID-79E768C6-D63E-303F-943C-022F5A04AB08"><apiname>CContent::DisplayInfoL()</apiname></xref> function
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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allows the application to display file information, such as last modification
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date and DRM rights information. </p> <codeblock id="GUID-62A01A68-2479-515C-B74D-C48721870F1D" xml:space="preserve">...
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content-&gt;DisplayInfoL(TDisplayInfo  aInfo);
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...
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</codeblock> <p id="GUID-20F9B6AC-F2B1-5E8E-93F2-8AE4AD0ED1F6"><b>Retrieve
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the attributes of a content</b> </p> <p>Content and container objects have
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properties or attributes associated with it. Applications can retrieve single
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or mulitple attributes using the <xref href="GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601.dita#GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601/GUID-4FA0F8A6-7F9A-3AE6-BDEE-B3C8A53B0207"><apiname>ContentAccess::TAttributeCAF</apiname></xref> enumeration
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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and the <xref href="GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601.dita#GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601/GUID-BC242813-E0F0-3DFE-AF97-6BE808D570DE"><apiname>ContentAccess::TStringAttribute</apiname></xref> enumeration. See <xref href="GUID-B6912FE7-4C2A-5FC7-BDA8-702CA2C0214A.dita">Content Object Attributes</xref> for
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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details on implementing different methods of retrieving attributes. </p> <p>The
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following example finds the author attribute of a content object. </p> <codeblock id="GUID-5FB7E26E-E8CF-5A10-8B22-06FA45A69721" xml:space="preserve">// define a buffer to store the attribute value string 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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TBuf &lt;100&gt; buf; 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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// retrieve the attribute 
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err = content-&gt;GetAttribute(EAuthor, buf, uniqueId); 
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// Display the author's name on screen 
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DisplayAuthor(buf);
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</codeblock> <p id="GUID-8D6C9025-7409-5019-88B2-A99A8E020443"><b>Search for
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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a MIME type within a file</b> </p> <p>If an application wants to find all
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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the content with a particular MIME type within a file, it must use <xref href="GUID-FC40011B-32D3-328B-BB59-35BEF46A215A.dita#GUID-FC40011B-32D3-328B-BB59-35BEF46A215A/GUID-FA4BB868-3297-39F0-BAB8-C4BF4F5A2B60"><apiname>ContentAccess::CContent::Search()</apiname></xref>.
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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This function produces a list of all content objects with the specified MIME
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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type that are stored under the current container. </p> <codeblock id="GUID-BD3FEDFD-DA3E-5491-BF97-60CFC9252935" xml:space="preserve">// Create an array for storing the result of the search 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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RStreamablePtrArray&lt;CEmbeddedObject&gt; myArray; 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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// Find how many MP3 files are in Container 1 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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TInt numMp3 = content-&gt;Search(myArray, _L("mpeg/audio"), EFalse);</codeblock> <p id="GUID-447A73D2-AF49-598E-865E-C2CEF1958C14"><b>Read data from a content
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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object</b> </p> <p>The functions described earlier can be used to locate a
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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particular content object within a file. <xref href="GUID-FC40011B-32D3-328B-BB59-35BEF46A215A.dita#GUID-FC40011B-32D3-328B-BB59-35BEF46A215A/GUID-32BA0116-1D7F-31B1-B80E-32E1F55803C3"><apiname>ContentAccess::CContent::OpenContentL()</apiname></xref> can
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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be used to read the content object. The <codeph>UniqueId</codeph> parameter
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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can be used to identify a particular object within the file. </p> <p>The call
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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to <xref href="GUID-FC40011B-32D3-328B-BB59-35BEF46A215A.dita#GUID-FC40011B-32D3-328B-BB59-35BEF46A215A/GUID-32BA0116-1D7F-31B1-B80E-32E1F55803C3"><apiname>ContentAccess::CContent::OpenContentL()</apiname></xref> leaves if the
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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intent is not permitted. This could occur if the file is DRM-protected but
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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no rights are present. </p> <p>If the file is DRM protected and the call to <xref href="GUID-63702251-43C2-3A2C-B884-A865BB539B5C.dita"><apiname>OpenContentL()</apiname></xref> succeeds,
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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the rights are not consumed at this point. CAF just checks that it is possible
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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to use the content. </p> <codeblock id="GUID-DCA8F01C-9657-5F54-881E-0A297DD652AC" xml:space="preserve">// Open the content object specified by uniqueId with the EPlay intent 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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CData* data = content-&gt;OpenContentL(EPlay, uniqueId);</codeblock> <p>If the
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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application already knows the URI and unique ID of the content object it wants
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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to read from, it can create a <codeph>CData</codeph> object directly. </p> <codeblock id="GUID-09916FE1-A7A6-5012-8057-ACC0BFB49EDC" xml:space="preserve">CData* data = CData::NewL(TVirtualPathPtr(uri, uniqueId), EPlay, EContentShareReadOnly);</codeblock> <p>Once the <codeph>CData</codeph> object has been constructed, it allows
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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the content object to be used as if it were a standalone unprotected file.
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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The client must call <xref href="GUID-B54C8391-FE69-324C-AC0A-1E88C2555F00.dita#GUID-B54C8391-FE69-324C-AC0A-1E88C2555F00/GUID-3E5B2A86-A06B-3710-99C9-FA205E99088F"><apiname>ContentAccess::CData::ExecuteIntent()</apiname></xref> when
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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the rights must be consumed. If the file is not DRM-protected, the call is
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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ignored by the agent handling the file. </p> <codeblock id="GUID-81167DB6-CD1B-5F19-88D2-ED6D5C66B5AA" xml:space="preserve">TBuf8 &lt;256&gt; buf; 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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data-&gt;ExecuteIntent(EPlay); 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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data-&gt;Seek(ESEEK_START,SomePosition); 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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data-&gt;Read(buf);</codeblock> <p>There are several overloaded versions of the <xref href="GUID-B54C8391-FE69-324C-AC0A-1E88C2555F00.dita#GUID-B54C8391-FE69-324C-AC0A-1E88C2555F00/GUID-B6146300-5578-39D2-B7E2-19309B76A7F6"><apiname>ContentAccess::CData::Read()</apiname></xref> function.
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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Only one is illustrated above for example purposes. </p> <p id="GUID-AAFE84D9-01AF-5F27-9BC2-064A565F3D53"><b>Handle
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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data corruption</b> </p> <p>When consuming content it is possible that the
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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content data and rights data can be corrupted. This may be due to various
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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reasons including file or disk corruption, transmission errors and so on. </p> <p>If
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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an agent detects corruption in a content object or in a rights object, it
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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ends the current DRM operation. The <codeph>KErrCACorruptContent</codeph>, <codeph>KErrCACorruptRights</codeph> or <codeph>KErrCorrupt</codeph> error
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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code is sent to clients, depending on the type of corruption detected and
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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how the client chooses to handle it. </p> <p> <b>Note:</b> It is recommended
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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that clients be designed to handle such an error if received, as it can usually
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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be considered a fatal error. </p> <codeblock id="GUID-24C1BC9E-786E-5C1F-AA27-839B3DC9369F" xml:space="preserve">// Create a CData object to read the content
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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...
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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TRAP(err, data = content-&gt;OpenContentLC(EDisplay));
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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if (err != KErrNone)
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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        {
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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        if (err == KErrCACorruptRights)
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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                {
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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                //Agent may have performed some error handling. 
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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                //Client may need to perform some client specific operations(e.g. cleanup).
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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                }
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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        else if (err == KErrCorrupt)
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
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                {
46218c8b8afa week 10 bug fix submission (SF PDK version): Bug 1892, Bug 1897, Bug 1319. Also 3 or 4 documents were found to contain code blocks with SFL, which has been fixed. Partial fix for broken links, links to Forum Nokia, and the 'Symbian platform' terminology issues.
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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                DisplayErrorMsg('Unable to decode rights because it is corrupt!');
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                }
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        else if (err == ...)
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        ...
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        }       
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...
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</codeblock> <p id="GUID-15A1A9B3-BB5D-5677-BFE9-47EABD4064BF"><b>Handle errors</b> </p> <p>Agents
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display the errors on screen when they occur. Once the error has been acknowledged
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by the user, the agent returns the error code to the client application. If
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a client application does not want errors displayed on screen, it can request
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to disable the agent UI using the <xref href="GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A.dita#GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A/GUID-4F452F1F-FFDA-34F4-9625-0A047CF44DE1"><apiname>CContent::SetProperty()</apiname></xref> function. </p> <codeblock id="GUID-20598B16-CC87-5BE1-8B7D-CF612A2150FB" xml:space="preserve">// Disable UI
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content-&gt;SetProperty(EAgentPropertyAgentUI , 0);
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</codeblock> <p>Some agents may present confirmation dialogs to the user before
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allowing them to perform certain operations. For example, when a user inadvertently
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tries to delete a DRM-protected file. The agent can present a dialog asking
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"are you sure?". The agent can then return the outcome of the delete to the
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application, that is <codeph>KErrCancel</codeph>, if the user presses cancel.
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The <xref href="GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A.dita#GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A/GUID-4F452F1F-FFDA-34F4-9625-0A047CF44DE1"><apiname>CContent::SetProperty()</apiname></xref> function can also be used to
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disable the confirmation dialogs. </p> <p id="GUID-6A50AE44-E618-5D99-B5D8-7BBA8FE7948A"><b>Handle
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rights for DRM content</b> </p> <p>There are two functions available that
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give the application some control over the rights: </p> <p><i>Request rights</i> </p> <p> <xref href="GUID-FC40011B-32D3-328B-BB59-35BEF46A215A.dita#GUID-FC40011B-32D3-328B-BB59-35BEF46A215A/GUID-BF3DA6BD-A779-3BD8-B668-DB8E900F9053"><apiname> ContentAccess::CContent::RequestRights()</apiname></xref> allows the application to ask the agent to undertake whatever steps are
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necessary to obtain rights for the given content object. Some agents may not
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support this mechanism, in which case they returns <codeph>KErrCANotSupported</codeph>. </p> <p>The
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request rights call includes a <codeph>TRequestStatus</codeph> parameter,
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which allows the application to be notified of the outcome of the rights request. </p> <codeblock id="GUID-FEA60E64-1735-5D3D-8D14-6BA3E6F8A54E" xml:space="preserve">content-&gt;RequestRights(status, uniqueId);</codeblock> <p><i>Display
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information</i></p> <p> <xref href="GUID-FC40011B-32D3-328B-BB59-35BEF46A215A.dita#GUID-FC40011B-32D3-328B-BB59-35BEF46A215A/GUID-6613813A-5621-3F0F-B64F-DA2E1F89D7E7"><apiname>ContentAccess::CContent::DisplayInfoL()</apiname></xref> allows
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the application to ask the agent to display the file and/or rights information
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for the given content object. The call returns when the display is dismissed. </p> <p>Some
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agents may not support this mechanism, in which case they return <codeph>KErrCANotSupported</codeph>. </p> <codeblock id="GUID-8B96985A-4810-5CE1-9561-0C8BC5D725C0" xml:space="preserve">content-&gt;DisplayInfoL(EFileProperties, uniqueId);</codeblock> <p id="GUID-635EE5EF-469D-5FD3-9400-25DF95FD2E96"><b>Get content object notifications</b> </p> <p>The <xref href="GUID-EF3C33C0-F02E-3C35-B289-3800631EDC3A.dita"><apiname>CContent</apiname></xref> interface
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supports notification requests for content objects within files. The events
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for which an application can request notification are given by the enumeration <xref href="GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601.dita#GUID-0F5CE9B5-E674-3962-8376-CFB1ECB2F601/GUID-20035389-F839-3ACF-B892-B6A58A13460A"><apiname>ContentAccess::TEventMask</apiname></xref>. </p> <p>The
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following example requests and cancels notification for rights becoming available: </p> <codeblock id="GUID-81C47EF6-AF59-59AC-B07F-D190ABE89973" xml:space="preserve">// Request notification when rights become available for a particular content object
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content-&gt;NotifyStatusChange(ERightsAvailable, status, uniqueId);
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// Cancel notification request
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content-&gt;CancelNotifyStatusChange(status, uniqueId);</codeblock> <p id="GUID-DDAE0B57-B296-58E8-8220-AE5AA9BF7B8D"><b>Close
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a container</b> </p> <p>To close a container, use the <xref href="GUID-FC40011B-32D3-328B-BB59-35BEF46A215A.dita#GUID-FC40011B-32D3-328B-BB59-35BEF46A215A/GUID-E4CAB325-A0BC-3A43-A1CD-F099B478B188"><apiname>ContentAccess::CContent::CloseContainer()</apiname></xref> function. </p> <p>For
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example, Container 1.1 is closed and Container 1 is still open: </p> <codeblock id="GUID-FDDCBB26-6FA6-5B1C-87EA-EE32182A97C1" xml:space="preserve">//Close Container 1.1 
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content-&gt;CloseContainer(); 
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// Get the embedded content objects in the current container 
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content-&gt;GetEmbeddedObjectsL(myArray, EContentObject);
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i = myArray.Count(); // Six content objects 
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myArray.ResetAndDestroy(); 
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// Get the number of container objects in the current container 
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content-&gt;GetEmbeddedObjectsL(myArray, EContainerObject); 
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i = myArray.Count(); // One container object 
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myArray.ResetAndDestroy();</codeblock> <fig id="GUID-F3A1B237-A07C-5AE7-82F1-5DAA3BA65553">
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<image href="GUID-DC7E3634-9762-542F-BDAE-AC1F2D03F55D_d0e608670_href.png" placement="inline"/>
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</fig> </section>
1
25a17d01db0c Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
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</conbody></concept>