1 /* |
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2 * Copyright (c) 2009 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: ?Description |
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15 * |
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16 */ |
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17 #ifndef GLXZOOMCONTROL_H |
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18 #define GLXZOOMCONTROL_H |
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19 #include <hbscrollarea.h> |
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20 |
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21 class GlxMediaModel; |
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22 class QAbstractItemModel; |
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23 class HbIconItem; |
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24 class GlxImageDecoderWrapper; |
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25 class GlxZoomControl : public HbScrollArea |
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26 { |
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27 Q_OBJECT |
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28 |
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29 public: |
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30 GlxZoomControl(QGraphicsItem *parent = NULL); |
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31 ~GlxZoomControl(); |
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32 void setModel (QAbstractItemModel *model); |
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33 void indexChanged (int index); |
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34 void setWindowSize (QSize windowSize); |
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35 signals: |
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36 void hideFullScreenUi(); |
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37 public slots: |
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38 void zoomImage(int zoomFactor); |
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39 void decodedImageAvailable(); |
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40 void initialZoomFactor(int initZoomFactor); |
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41 private: |
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42 void initializeZoomControl(int zoomFactor); |
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43 void resetZoomControl(); |
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44 void updateItemPosition(); |
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45 void calculatePanOffset(); |
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46 void checkandAdjustImageBoundaries(QPointF &finalPos, QPointF undefferedPos); |
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47 |
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48 private: |
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49 QGraphicsPixmapItem *mZoomItem; |
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50 QGraphicsWidget *mZoomWidget; |
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51 GlxImageDecoderWrapper* mImageDecoder; |
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52 HbIconItem *mBlackBackgroundItem; |
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53 QSizeF mCurrentSize; |
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54 QSizeF mItemSize; |
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55 GlxMediaModel *mModel; //not owned |
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56 int mInitialZoomFactor; |
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57 int mCurrentZoomFactor; |
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58 bool mIsControlActivated; |
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59 bool mIsItemChanged; |
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60 QSize mWindowSize; |
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61 QPointF mPanOffset; |
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62 }; |
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63 #endif //GLXZOOMCONTROL_h |
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