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1 /* |
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2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * Interface which allows subscribers to consume key event or pass the event |
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16 * to other view class. |
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17 * |
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18 * |
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19 */ |
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20 |
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21 |
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22 #ifndef MKEYPROCESSOR_H |
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23 #define MKEYPROCESSOR_H |
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24 |
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25 // INCLUDES |
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26 #include <w32std.h> |
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27 |
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28 // FORWARD DECLARATIONS |
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29 class MAknTabObserver; |
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30 |
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31 // =========================================================================== |
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32 // MKeyProcessor |
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33 // =========================================================================== |
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34 |
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35 /** |
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36 * An interface a CCoeControl class can implement to forward the keyevents |
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37 * before the actual control gets the key events. This is useful in |
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38 * situations where the control consumes keys which you need. |
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39 */ |
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40 class MKeyProcessor |
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41 { |
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42 public: |
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43 /** |
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44 * process the keyevent befor it reaches the control |
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45 * @param aKeyEvent the event fired |
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46 * @param aType the type of event |
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47 * @return ETrue if key event was consumed, otherwise EFalse |
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48 */ |
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49 virtual TBool ProcessKeyEventL( const TKeyEvent& aKeyEvent, |
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50 TEventCode aType ) = 0; |
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51 |
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52 /** |
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53 * returns the pointer to MAknTabObserver interface |
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54 * @return pointer to the MAknTabObserver interface |
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55 */ |
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56 virtual MAknTabObserver* TabObserver() = 0; |
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57 }; |
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58 |
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59 |
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60 #endif //MKEYPROCESSOR_H |
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61 |
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62 // End of File |