author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:24:48 +0100 | |
branch | RCL_3 |
changeset 20 | c2c61fdca848 |
parent 19 | 924385140d98 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002-2009 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: CSysApKeyManagement class definition. |
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* |
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*/ |
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#ifndef SYSAPKEYMANAGEMENT_H |
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#define SYSAPKEYMANAGEMENT_H |
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// INCLUDES |
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#include <sysapkeyhandlerplugininterface.h> |
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// FORWARD DECLARATIONS |
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class RWindowGroup; |
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class MSysapCallback; |
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// DATA TYPES |
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/** |
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* KeyManagement class for Sysap Key Event Framework |
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* Handles Virtual KeyEvents with Plugins |
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* |
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* @since S60 3.0 |
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*/ |
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class CSysApKeyManagement: public CBase |
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{ |
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private: // data types |
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class CSysApPluginInfo : public CBase |
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{ |
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public: // construction |
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/** |
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* Constructor. |
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* |
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* @param aPluginUid UID of the plugin that this object represents |
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*/ |
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CSysApPluginInfo( TUid aPluginUid ); |
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/** |
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* Destructor |
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*/ |
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virtual ~CSysApPluginInfo(); |
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private: |
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/** |
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* C++ default constructor. Prohibitten |
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*/ |
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CSysApPluginInfo(); |
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public: // data |
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/** |
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* UID of the plug-in, used with non-resident plugins. |
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*/ |
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TUid iPluginUid; |
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/** |
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* Instantiated plugin, used only with resident plug-ins. |
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* If NULL, the plug-in is interpreted to be non-resident. |
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* Own. |
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*/ |
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CSysapKeyHandlerPlugin* iPtrPlugin; |
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/** |
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* The keys handled by this plugin. |
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*/ |
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RArray<TKeyEvent> iKeys; |
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/** |
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* Handles of the captured keys. |
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*/ |
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RArray<TInt32> iKeyHandles; //Handles of keys when capturing them |
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/** |
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* Handles of the captured up and down events. |
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*/ |
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RArray<TInt32> iUpAndDownKeyHandles; //Handles of keys when capturing them |
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/** |
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* Tells if the plugin is a key provider plugin (plugin version 2) |
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*/ |
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TBool iIsKeyProvider; |
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}; |
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typedef RPointerArray<CSysApPluginInfo> RSysApPluginsArray; |
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public: // Constructors and destructor |
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/** |
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* Default constructor |
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* |
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* @param aRootWindowGroup reference of the root window group |
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* @param aSysApCallback reference to callback object |
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* @return pointer to the constructed object |
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*/ |
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static CSysApKeyManagement* NewL(RWindowGroup& aRootWindowGroup, MSysapCallback& aSysApCallback); |
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/** |
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* Destructor |
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*/ |
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virtual ~CSysApKeyManagement(); |
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public: // New functions |
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/** |
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* Handles key events |
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* |
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* @param aKeyEvent contains information about the key event |
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* @param aType contains information about the type of the key event |
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* @return response |
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*/ |
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TKeyResponse HandleKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType ); |
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private: // New functions |
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/** |
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* C++ default constructor. |
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* |
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* @param aRWindowGroup the root window group |
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* @param aSysApCallback reference to callback object |
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* @return void |
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*/ |
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CSysApKeyManagement(RWindowGroup& aRWindowGroup, MSysapCallback& aSysApCallback); |
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/** |
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* 2nd phase constructor. |
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* |
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* @return void |
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*/ |
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void ConstructL( ); |
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/** |
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* Registers in windows server for keys to capture. |
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* |
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* @return void |
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*/ |
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void CaptureKeys(); |
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/** |
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* Unregisters in windows server for keys to capture. |
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* |
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* @return void |
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*/ |
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void CancelCaptureKeys(); |
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/** |
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* Gets information of all suitable plugins |
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* |
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* @return void |
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*/ |
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void GetPluginsL(); |
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/** |
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* Finds a key in plugins. Helper function. |
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* |
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* @param aKeycode key to find |
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* @return index of key in array |
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*/ |
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TInt FindKeyCode( TUint aKeycode ); |
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/** |
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* Finds a key scancode in plugins. Helper function. |
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* |
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* @param aScanCode key scancode to find |
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* @return index of key in array |
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*/ |
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TInt FindScanCode( TInt aScanCode ); |
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/** |
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* Get keys from text |
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* |
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* @param aLex reference to the object to be used, |
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* @param aKeys reference to the array to be filled. |
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* @return error code |
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*/ |
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TInt GetKeys( TLex8& aLex, RArray<TKeyEvent>& aKeys ); |
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/** |
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* Check keys for duplicates and array emptiness |
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* |
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* @param aKeys reference to the array to be checked. |
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* @return error code |
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*/ |
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TInt CheckKeys( RArray<TKeyEvent>& aKeys ); |
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private: // Data |
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// Our window group from SysappUi |
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RWindowGroup& iRootWindowGroup; |
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// Reference to SysAp application callback |
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MSysapCallback& iSysApCallback; |
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/** |
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* Key handler plugins managed by SysAp. |
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*/ |
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RSysApPluginsArray iSysApPlugins; |
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}; |
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#endif //SYSAPKEYMANAGEMENT_H |
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