author | William Roberts <williamr@symbian.org> |
Fri, 12 Nov 2010 11:42:24 +0000 | |
branch | RCL_3 |
changeset 66 | 8ee165fddeb6 |
parent 0 | 15bf7259bb7c |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2007 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: Property object for Alfred |
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* |
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*/ |
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#ifndef C_ALFPROPERTYOWNER_H |
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#define C_ALFPROPERTYOWNER_H |
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#include <e32base.h> |
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#include "alf/alfproperty.h" |
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// Property extension UIDs |
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static const TUid KUidAlfPropOwnerExtControlFocusChainChanged = {0x200110DA}; |
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/** |
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* Value property object base class |
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* |
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* Manages a list of properties. |
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* The current policy is that properties must always return a valid pointer, never NULL. |
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* @todo more |
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* |
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*/ |
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class CAlfPropertyOwner: public CBase |
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{ |
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public: |
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/* Constructor and destructor. */ |
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IMPORT_C CAlfPropertyOwner(); |
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IMPORT_C ~CAlfPropertyOwner(); |
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/** |
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* Remove the property by name, if it exists. |
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* |
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* @param aName the name of the property to remove. |
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* @return ETrue if found. |
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*/ |
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IMPORT_C TBool PropertyRemove(const TDesC8& aName); |
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/** |
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* Remove all properties. |
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*/ |
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IMPORT_C void PropertyClear(); |
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// We have a different registration method for each property type, eg value, string, timedvalue. |
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/** |
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* Set a value property. |
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* This will set a property of type integer. If the property is already set, |
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* it will update the property's value. If not, it will create a new property. |
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* Can be overridden to provide custom handling of properties. |
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* |
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* @param aName the name of the property to set. |
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* @param aVal The value of the property. |
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* @return EFalse if value was set as a different type already, or zero-length name supplied. |
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* The property was not set. |
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*/ |
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IMPORT_C TBool PropertySetIntegerL(const TDesC8& aName, TInt aVal, TInt aMin = INT_MIN, TInt aMax = INT_MAX); |
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/** |
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* Find the property by name. |
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* Can be overridden to provide custom handling of properties. |
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* |
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* @param aName the name of the property to find. |
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* @param aRet Return parameter for the found value, or NULL if no value required. |
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* @return ETrue if found. |
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*/ |
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IMPORT_C TBool PropertyFindInteger(const TDesC8& aName, TInt* aRet = NULL) const; |
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/** |
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* Set a string property. |
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* This will set a property of type string. If the property is already set, |
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* it will update the property's value. If not, it will create a new property. |
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* Can be overridden to provide custom handling of properties. |
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* |
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* @param aName the name of the property to set. |
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* @param aVal The value of the property. |
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* @return EFalse if value was set as a different type already, or zero-length name supplied. |
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* The property was not set. |
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*/ |
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IMPORT_C TBool PropertySetStringL(const TDesC8& aName, const TDesC& aVal); |
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/** |
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* Find the property by name. |
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* Can be overridden to provide custom handling of properties. |
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* |
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* @param aName the name of the property to find. |
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* @param aRet Return parameter for the found value, or NULL if no value required. |
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* @return ETrue if found. |
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*/ |
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IMPORT_C TBool PropertyFindString(const TDesC8& aName, TDesC** aRet = NULL) const; |
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/** |
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* Copies named property from another object |
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* |
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* @param aOwner Object which has the property to be copied |
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* @param aPropertyName The name of a property |
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* |
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* @return System wide error codes |
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*/ |
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IMPORT_C TInt CopyProperty(const CAlfPropertyOwner& aOwner, const TDesC8& aPropertyName); |
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private: |
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/** |
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* Find a generic property object. |
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* |
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* @param aName the name of the property to find. |
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* @param aIndex Return parameter for index found. |
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* @param aType Return parameter for type found. |
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* @return ETrue if found. |
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*/ |
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TBool Find(const TDesC8& aName, TInt* aIndex = NULL, TAlfPropertyType* aType = NULL) const; |
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/** |
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* Find a property object of given type. |
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* |
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* Does type checking to ensure that we got the expected property type. |
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* |
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* @param aName the name of the property to find. |
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* @param aIndex Return parameter for index found. |
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* @param aRequiredType Type that is expected |
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* @return ETrue if found and correct type, EFalse if not found or wrong type. |
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*/ |
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TBool FindOfType(const TDesC8& aName, TInt* aIndex, TAlfPropertyType aRequiredType) const; |
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/** |
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* !Internal util: Find complete ranged value. |
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*/ |
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TBool PropertyFindInteger(const TDesC8& aName, TRangedValue& aValue) const; |
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protected: // new methods |
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IMPORT_C virtual void PropertyOwnerExtension(const TUid& aExtensionUid, TAny** aExtensionParams); |
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private: // data |
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RPointerArray<CAlfProperty> iProperties; |
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TAny* iSpare; |
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}; |
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#endif // C_ALFPROPERTYOBJECT_H |
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