author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 31 Mar 2010 22:04:35 +0300 | |
branch | RCL_3 |
changeset 14 | 15e4dd19031c |
parent 0 | 79c6a41cd166 |
permissions | -rw-r--r-- |
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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: Updates applications and icons in Operator Tile. |
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* |
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*/ |
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|
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// This file defines the API for hswidgetpublisher.dll |
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#ifndef __HSWIDGETPUBLISHER_H__ |
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#define __HSWIDGETPUBLISHER_H__ |
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|
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// Include Files |
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#include <cctype> |
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#include <memory> |
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#include <string> |
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|
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namespace Hs { |
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|
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// Class Definitions |
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class HsWidget; |
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class IHsDataObserver; |
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class HsWidgetPublisherImpl; |
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|
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/** |
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* Class allowing access to the Homescreen Publishing Api. |
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* Allows creation, update and deletion of widgets, as well as reception of |
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* information for the occuring events. |
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* |
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* @code |
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* class ObserverClass : public IHsDataObserver |
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* { |
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* void handleEvent( std::string aWidgetName, |
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* IHsDataObserver::EEvent aEvent) |
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* { |
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* } |
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* |
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* void handleItemEvent( std::string aWidgetName, |
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* std::string aWidgetItemName, |
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* IHsDataObserver::EItemEvent aEvent) |
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* { |
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* } |
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* } |
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* |
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* ObserverClass* dataObserver = new ObserverClass(); |
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* HsWidgetPublisher* hsPublisher = new HsWidgetPublisher( dataObserver ); |
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* HsWidget& widget = publisher->createHsWidget( |
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* "templateName", "widgetName", "uniqueIdentifier" ); |
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* // assuming count and values[] exists |
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* while (count) |
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* { |
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* widget->setItem( "image", values[count] ); |
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* count--; |
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* } |
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* hsPublisher->publishHsWidget( widget ); |
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* @endcode |
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*/ |
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class HsWidgetPublisher |
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{ |
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public: |
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/** |
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* Constructor of the HsWidgetPublisher. Creates an instance of the |
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* publisher, which is used to manage Widgets and Widget's Items. |
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* Please note that attempt of usage, with aDataObserver = NULL |
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* is asserted. |
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* |
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* @code |
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* class ObserverClass : public IHsDataObserver |
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* { |
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* void handleEvent( std::string aWidgetName, |
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* IHsDataObserver::EEvent aEvent) |
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* { |
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* } |
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* |
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* void handleItemEvent( std::string aWidgetName, |
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* std::string aWidgetItemName, |
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* IHsDataObserver::EItemEvent aEvent) |
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* { |
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* } |
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* } |
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* |
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* ObserverClass* dataObserver = new ObserverClass(); |
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* HsWidgetPublisher* hsPublisher = new HsWidgetPublisher( dataObserver ); |
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* @endcode |
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* |
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* Client should not completely rely on exceptions while creating |
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* the API. Except for exceptions thrown one should check if |
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* the memory was allocated properly. |
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* @code |
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* |
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* ObserverClass* dataObserver = new ObserverClass(); |
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* |
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* try |
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* { |
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* HsWidgetPublisher* hsPublisher = new HsWidgetPublisher(dataObserver); |
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* if (hsPublisher) |
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* { |
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* // do the operations on the API here |
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* } |
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* } |
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* catch (HsException& exception) |
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* { |
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* int errReason = exception.getReason(); |
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* } |
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* @endcode |
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* |
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* @param aDataObserver Callback interface for handling actions. |
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* @exception HsPException |
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*/ |
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IMPORT_C HsWidgetPublisher( IHsDataObserver* aDataObserver ); |
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|
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/** |
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* Destructor of the HsWidgetPublisher. |
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* |
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* @code |
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* HsWidgetPublisher* hsPublisher = new HsWidgetPublisher( dataObserver ); |
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* delete hsPublisher; |
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* @endcode |
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* @exception HsException |
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*/ |
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IMPORT_C ~HsWidgetPublisher(); |
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|
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/** |
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* Creates a new widget. |
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* |
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* If widget already created, fails and throws a HsException containing |
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* KErrAlreadyExists error code. May throw HsException with different |
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* system-wide error codes if error occurs during registration. |
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* |
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* @code |
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* HsWidgetPublisher* hsPublisher = new HsWidgetPublisher( dataObserver ); |
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* HsWidget& widget = hsPublisher->createHsWidgetWithDesc( |
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* "templateName", "widgetName", "uniqueIdentifier", |
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* "A short widget description.", "c:\\data\\Installs\\an_icon.jpg" ); |
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* @endcode |
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* |
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* @param aTemplateName Name of the Template. |
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* @param aWidgetName Name of the Widget |
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* @param aIdentifier Unique widget indentifier. It is recommended to use |
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* your application's UID3 as the identifier. If your application |
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* creates two different HsWidgets, their identifiers must be unique |
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* too, in such case consider using UID3 with an extra suffix, e.g. |
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* 0xE2DA0574_1 for the first widget and 0xE2DA0574_2 for the second |
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* one. |
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* @param aDescription A short widget description (e.g. 'Displays latest |
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* news and wheather forecast.') |
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* @param aIconLocation A location of a logo icon that will be displayed |
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* alongside the short description. There are 4 ways in which icon |
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* location can be specified:<BR> |
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* 1. system path (e.g. c:\\data\\Installs\\icon1.jpg)<BR> |
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* 2. MIF file (e.g. c:\\data\\Installs\\templateIcons.mif 16384 16385)<BR> |
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* 3. skin with MIF file fallback |
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* (e.g. skin(major_id minor_id):mif(c:\\data\\icons.mif 16386 16387)<BR> |
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* 4.icon from AppArc (e.g. uid(0x12345678)) |
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* @return The newly created widget. |
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* |
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* @exception HsException |
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*/ |
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IMPORT_C HsWidget& createHsWidgetWithDesc( std::string aTemplateName, |
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std::string aWidgetName, std::string aIdentifier, |
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std::string aDescription, std::string aIconLocation ); |
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|
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/** |
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* DEPRECATED. This method is here only to maintain compatibility with |
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* legacy widgets. Please use createHsWidgetWithDesc instead of this method. |
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* |
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* Method creates a new widget. |
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* Attempt to create already existing widget will cause exception |
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* with KErrAlreadyExists reason. |
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* Other exception reasons are possible and are caused by widget |
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* registration. |
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* |
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* @code |
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* HsWidgetPublisher* hsPublisher = new HsWidgetPublisher( dataObserver ); |
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* HsWidget& widget = hsPublisher->createHsWidget( |
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* "templateName", "widgetName", "uniqueIdentifier" ); |
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* @endcode |
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* @param aTemplateName Name of the Template. |
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* @param aWidgetName Name of the Widget |
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* @param aIdentifier Unique identification of the content. |
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* @return A widget is returned. If no such widget existed a newly |
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* created one. |
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* @exception HsException Exception is thrown when with code |
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* KErrAlreadyExists |
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* when attempting to create a widget that already exists. Other cases |
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* when excpetion is thrown include problems with widget registration. |
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*/ |
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IMPORT_C HsWidget& createHsWidget( std::string aTemplateName, |
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std::string aWidgetName, |
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std::string aIdentifier ); |
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|
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/** |
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* Method publishes the provided widget. |
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* Widget needs to be published in order for the content |
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* to be seen by the HS. For correct behaviour during publishing, events received |
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* from HS must be handled appropriately. |
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* |
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* @code |
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* HsWidgetPublisher* hsPublisher = new HsWidgetPublisher( dataObserver ); |
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* HsWidget& widget = hsPublisher->createHsWidget( |
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* "templateName", "widgetName", "uniqueIdentifier" ); |
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* hsPublisher->publishHsWidget( widget ); |
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* @endcode |
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* @param aWidget Reference to a widget object. |
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* @exception HsException |
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*/ |
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IMPORT_C void publishHsWidget( HsWidget& aWidget ); |
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|
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/** |
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* Method removes a widget. |
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* |
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* @code |
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* HsWidgetPublisher* hsPublisher = new HsWidgetPublisher( dataObserver ); |
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* hsPublisher->createHsWidget( |
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* "templateName", "widgetName", "uniqueIdentifier" ); |
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* publisher->removeHsWidget( |
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* "templateName", "widgetName", "uniqueIdentifier" ); |
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* @endcode |
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* @param aTemplateName Name of the Template. |
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* @param aWidgetName Name of the Widget |
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* @param aIdentifier Unique identification of the content. |
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* @exception HsException |
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*/ |
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IMPORT_C void removeHsWidget( std::string aTemplateName, |
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std::string aWidgetName, |
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std::string aIdentifier ); |
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|
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/** |
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* Obtains a Widget from Homescreen Publishing Api. |
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* Attempt of obtaining Widget that was not created cause exception |
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* with KErrNotFound rason. |
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* |
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* |
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* @code |
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* HsWidgetPublisher* hsPublisher = new HsWidgetPublisher( dataObserver ); |
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* hsPublisher->createHsWidget( |
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* "templateName", "widgetName", "uniqueIdentifier" ); |
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* HsWidget& widget = hsPublisher->getHsWidget( |
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* "templateName", "widgetName", "uniqueIdentifier" ); |
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* @endcode |
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* @param aTemplateName Name of the Template. |
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* @param aWidgetName Name of the Widget |
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* @param aIdentifier Unique identification of the content. |
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* @return Error code. |
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* @exception HsException |
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*/ |
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IMPORT_C HsWidget& getHsWidget( std::string aTemplateName, |
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std::string aWidgetName, |
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std::string aIdentifier ); |
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|
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|
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private: //members |
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|
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std::auto_ptr<HsWidgetPublisherImpl> mImpl; |
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|
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}; |
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} |
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|
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#endif // __HSWIDGETPUBLISHER_H__ |
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