author | William Roberts <williamr@symbian.org> |
Wed, 31 Mar 2010 12:33:34 +0100 | |
branch | Symbian3 |
changeset 4 | 837f303aceeb |
parent 2 | 2fe1408b6811 |
permissions | -rw-r--r-- |
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// Copyright (c) 1997-2009 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: |
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// Implementation of the TEComResolverParams class. |
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// Provide the inline implementation of TEComResolverParams |
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// TEComResolverParams allows the user to define the characteristics |
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// of the Interface Implementation plugin to be found. |
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// Default constructor of TEComResolverParams. It creates an empty uninitialized |
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// resolver parameter object. Such an object maybe used in calls to REComSession |
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// CreateImplementationL() and ListImplementationsL() methods when no specific |
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// matching or filtering is required i.e. default type matching will be used. |
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// |
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// |
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TEComResolverParams::TEComResolverParams() |
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: iDataType(NULL,0), |
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iGenericMatch(EFalse) |
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{ |
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// do nothing; |
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} |
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/** |
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Provides read access to the Interface Implementation plugin 'datatype' match |
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pattern. Note, since TEComResolveParams has a default constructor this data |
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member may be an invalid descriptor which implies 'default matching'. |
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@return The read only 'datatype' match pattern. |
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@pre The object is constructed |
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*/ |
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const TDesC8& TEComResolverParams::DataType() const |
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{ |
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return iDataType; |
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} |
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/** |
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Set the Interface Implementation plugin 'datatype' match pattern. |
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@param aDataType The 'datatype' match pattern to be stored. |
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@pre The object is constructed |
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@post iDataType equals aDataType. |
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*/ |
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void TEComResolverParams::SetDataType(const TDesC8& aDataType) |
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{ |
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iDataType.Set(aDataType); |
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} |
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/** |
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Check if 'generic' matching is allowed. |
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@return ETrue if generic matching is allowed, EFalse otherwise. |
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@pre The object is constructed |
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*/ |
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TBool TEComResolverParams::IsGenericMatch() const |
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{ |
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return iGenericMatch; |
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} |
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/** |
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Indicates that a 'generic' match is required. |
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Either allow Interface Implementation plugins that are specific (use no wildcards |
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in their registry file) or generic (use wildcards in their registry file). |
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In any case the user of a should NOT use wildcards in the datatype string that |
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is passed into this object. |
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Rationale: |
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The client that sets up the resolver is expected to know what type of data |
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it is handling. |
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Use Case: |
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"I have this gif to convert, but I'd prefer only gif-specific plugins" or |
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"I have this gif to convert, but I'm happy with some generic image conversion |
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plugin". |
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NOT: |
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"I have this image I want some plugin to convert, but I don't know the type |
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of the image". |
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@param aGenericMatch ETrue if a generic match is required, EFalse if not. |
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@pre The object is constructed |
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@post iGenericMatch equals aGenericMatch. |
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*/ |
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void TEComResolverParams::SetGenericMatch(TBool aGenericMatch) |
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{ |
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iGenericMatch=aGenericMatch; |
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} |
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/** |
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@deprecated |
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@see IsGenericMatch |
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*/ |
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TBool TEComResolverParams::IsWildcardMatch() const |
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{ |
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return iGenericMatch; |
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} |
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/** |
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@deprecated |
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@see SetGenericMatch |
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*/ |
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void TEComResolverParams::SetWildcardMatch(TBool aWildcardMatch) |
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{ |
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iGenericMatch=aWildcardMatch; |
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} |
4
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