epoc32/include/apmstd.h
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
child 4 837f303aceeb
     1.1 --- a/epoc32/include/apmstd.h	Tue Nov 24 13:55:44 2009 +0000
     1.2 +++ b/epoc32/include/apmstd.h	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -1,1 +1,192 @@
     1.4 -apmstd.h
     1.5 +// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +// All rights reserved.
     1.7 +// This component and the accompanying materials are made available
     1.8 +// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     1.9 +// which accompanies this distribution, and is available
    1.10 +// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
    1.11 +//
    1.12 +// Initial Contributors:
    1.13 +// Nokia Corporation - initial contribution.
    1.14 +//
    1.15 +// Contributors:
    1.16 +//
    1.17 +// Description:
    1.18 +//
    1.19 +
    1.20 +#if !defined (__APMSTD_H__)
    1.21 +#define __APMSTD_H__
    1.22 +
    1.23 +#if !defined(__E32STD_H__)
    1.24 +#include <e32std.h>
    1.25 +#endif
    1.26 +
    1.27 +/**
    1.28 +@publishedAll
    1.29 +@released
    1.30 +*/
    1.31 +const TInt KMaxDataTypeLength=256;
    1.32 +
    1.33 +// classes referenced
    1.34 +class RReadStream;
    1.35 +class RWriteStream;
    1.36 +
    1.37 +/** Defines the priority associated with a data type.
    1.38 +
    1.39 +The priority is used by a device to resolve the current preferred handler 
    1.40 +of a data type, in the absence of any user preferences.
    1.41 +
    1.42 +@publishedAll
    1.43 +@released
    1.44 +@see TDataTypeWithPriority */
    1.45 +typedef TInt32 TDataTypePriority;
    1.46 +
    1.47 +/** Reserved for future use. 
    1.48 +
    1.49 +@publishedAll
    1.50 +@released */
    1.51 +const TInt32 KDataTypePriorityUserSpecified=KMaxTInt16;
    1.52 +
    1.53 +/** This is a special priority that overrides any user settings. Applications must
    1.54 +have EWriteDeviceData to use this priority. If they have not then they will be
    1.55 +downgraded to KDataTypePriorityNormal.
    1.56 +
    1.57 +@publishedPartner
    1.58 +@released
    1.59 +@see TDataTypeWithPriority */
    1.60 +const TInt32 KDataTypePrioritySystem = 0xFFF9;
    1.61 +
    1.62 +/** Trusted applications may use this priority value to ensure 
    1.63 +    their MIME type associations cannot be overridden by 
    1.64 +    self signed (untrusted) applications.
    1.65 +
    1.66 +@publishedAll
    1.67 +@released
    1.68 +@see TDataTypeWithPriority */
    1.69 +const TInt32 KDataTypePriorityTrustedHigh = 0xC000;
    1.70 +
    1.71 +/** This is Threshold priority for Un-Trusted apps i.e., for the applications which reside 
    1.72 +in \\private\\10003a3f\\import\\apps and have a SID which is in the unprotected range. This is to avoid Un-Trusted app's claiming for priority higher 
    1.73 +than the threshold, if they claim for priority higher than the Threshold then it would be 
    1.74 +reduced to KDataTypeUnTrustedPriorityThreshold.
    1.75 +
    1.76 +@publishedAll
    1.77 +@released */
    1.78 +const TInt32 KDataTypeUnTrustedPriorityThreshold=KMaxTInt16;
    1.79 +
    1.80 +/** A priority value associated with a data (MIME) type. Associating an application 
    1.81 +with a data type at this priority means that this application, and no other, 
    1.82 +should ever handle the data type. Use sparingly.
    1.83 +
    1.84 +@publishedAll
    1.85 +@released
    1.86 +@see TDataTypeWithPriority */
    1.87 +const TInt32 KDataTypePriorityHigh=10000;
    1.88 +
    1.89 +/** A priority value associated with a data (MIME) type. Associating an application 
    1.90 +with a data type at this priority means that the data type is the primary 
    1.91 +type for that application. For example, "text/plain" files for a text editor.
    1.92 +
    1.93 +@publishedAll
    1.94 +@released
    1.95 +@see TDataTypeWithPriority */
    1.96 +const TInt32 KDataTypePriorityNormal=0;
    1.97 +
    1.98 +/** A priority value associated with a data (MIME) type. Associating an application 
    1.99 +with a data type at this priority means that the data type is a secondary 
   1.100 +type for that application. For example, "text/plain" files for a web browser.
   1.101 +
   1.102 +@publishedAll
   1.103 +@released
   1.104 +@see TDataTypeWithPriority */
   1.105 +const TInt32 KDataTypePriorityLow=-10000;
   1.106 +
   1.107 +/** A priority value associated with a data (MIME) type. Associating an application 
   1.108 +with a data type at this priority means that the data type is a last resort 
   1.109 +for that application. Use sparingly.
   1.110 +
   1.111 +@publishedAll
   1.112 +@released
   1.113 +@see TDataTypeWithPriority */
   1.114 +const TInt32 KDataTypePriorityLastResort=-20000;
   1.115 +
   1.116 +/** Reserved for future use. 
   1.117 +
   1.118 +@publishedAll
   1.119 +@released */
   1.120 +const TInt32 KDataTypePriorityNotSupported=KMinTInt16;
   1.121 +
   1.122 +
   1.123 +class TDataType
   1.124 +/** A data type.
   1.125 +
   1.126 +The class maintains a string that describes the data type and an associated 
   1.127 +UID.
   1.128 +
   1.129 +A data type is also referred to as a MIME type. 
   1.130 +
   1.131 +@publishedAll
   1.132 +@released */
   1.133 +	{
   1.134 +public:
   1.135 +	IMPORT_C TDataType();
   1.136 +	IMPORT_C TDataType(const TDataType& aDataType);
   1.137 +	IMPORT_C TDataType(const TDesC8& aDataType);
   1.138 +	IMPORT_C TDataType(TUid aUid);
   1.139 +	// enquiry
   1.140 +	IMPORT_C TInt operator==(const TDataType& aDataType) const;
   1.141 +	IMPORT_C TInt operator!=(const TDataType& aDataType) const;
   1.142 +	IMPORT_C TBool IsNative() const;
   1.143 +	// 
   1.144 +	IMPORT_C TBuf<KMaxDataTypeLength> Des() const;
   1.145 +	IMPORT_C TPtrC8 Des8() const;
   1.146 +	IMPORT_C TUid Uid() const;
   1.147 +	//
   1.148 +	IMPORT_C void InternalizeL(RReadStream& aReadStream);
   1.149 +	IMPORT_C void ExternalizeL(RWriteStream& aWriteStream) const;
   1.150 +private:
   1.151 +	void ParseDes();
   1.152 +private:
   1.153 +	TBuf8<KMaxDataTypeLength> iDataType;
   1.154 +	TUid iUid;
   1.155 +	};
   1.156 +
   1.157 +/**
   1.158 +@internalComponent
   1.159 +*/
   1.160 +#define KApaAppTypeDes _L8("x-epoc/x-app")
   1.161 +
   1.162 +/**
   1.163 +@internalComponent
   1.164 +*/
   1.165 +_LIT8(KEpocUrlDataTypeHeader, "X-Epoc-Url/");
   1.166 +
   1.167 +
   1.168 +
   1.169 +class TDataTypeWithPriority
   1.170 +/** A data (MIME) type and a priority value for that data type.
   1.171 +
   1.172 +The priority is used to resolve the current preferred handler of a data type, 
   1.173 +in the absence of any user preferences. An AIF file can associate an application 
   1.174 +with a data (MIME) type that is not native to Symbian OS. A priority value 
   1.175 +can be specified that allows the device to choose the highest priority application 
   1.176 +that can handle that data type.
   1.177 +
   1.178 +@publishedAll 
   1.179 +@released 
   1.180 +@see TDataType
   1.181 +@see TDataTypePriority */
   1.182 +	{
   1.183 +public:
   1.184 +	IMPORT_C TDataTypeWithPriority();
   1.185 +	IMPORT_C TDataTypeWithPriority(const TDataType& aDataType, TDataTypePriority aPriority);
   1.186 +	//
   1.187 +	IMPORT_C void InternalizeL(RReadStream& aReadStream);
   1.188 +	IMPORT_C void ExternalizeL(RWriteStream& aWriteStream) const;
   1.189 +public:
   1.190 +	/** The data type. */
   1.191 +	TDataType iDataType;
   1.192 +	/** The priority value. */
   1.193 +	TDataTypePriority iPriority;
   1.194 +	};
   1.195 +
   1.196 +#endif