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1 /* |
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2 * Copyright (c) 2008-2008 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: Music Content Publisher Plugin interface definition |
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15 * |
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16 */ |
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17 |
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18 |
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19 #ifndef C_MCPPLUGIN_H |
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20 #define C_MCPPLUGIN_H |
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21 |
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22 #include <e32base.h> |
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23 |
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24 |
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25 /** |
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26 * The interface class for all MCP plugins |
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27 * Plugins are responsible for updating data and actions to the Music Widget |
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28 * and Music Suite. |
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29 * |
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30 * The implementator of this interface should implement Deactivate function that |
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31 * will be invoked when the plugin is preempted by another plugin. |
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32 * |
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33 * IMPORTANT NOTE: |
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34 * It is recommended that the plugin does not publish data while not active. |
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35 * After calling Deactivate on the plugin it should change its state to |
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36 * not active. |
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37 * |
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38 */ |
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39 class CMCPPlugin : public CBase |
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40 { |
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41 public: |
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42 |
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43 /** |
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44 * Triggers Deactivation Process. |
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45 * Note: This should return immediatelly. |
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46 * Just a change of state variable is recommended. |
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47 */ |
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48 virtual void Deactivate() = 0; |
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49 |
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50 /** |
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51 * Announces a change on the skin. |
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52 * Note: Plugins should republish all the skinned icons. |
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53 * Called only on the active plugin, plugins are responsible to |
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54 * republish all the icons when they become active. |
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55 */ |
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56 virtual void SkinChanged() {}; |
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57 }; |
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58 |
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59 #endif // C_MCPPLUGIN_H |