1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef HSWIDGETPOSITIONINGONWIDGETADD_H

    19 #define HSWIDGETPOSITIONINGONWIDGETADD_H

    20 

    21 #include <QList>

    22 #include <QRectF>

    23 #include <QPointF>

    24 

    25 #include "hsconfiguration.h"

    26 #include "hstest_global.h"

    27 #include "hsdomainmodel_global.h"

    28 

    29 HOMESCREEN_TEST_CLASS(TestHsDomainModel)

    30 

    31 class HsWidgetHost;

    32 

    33 class HSDOMAINMODEL_EXPORT HsWidgetPositioningOnWidgetAdd

    34 {

    35 public:

    36     virtual ~HsWidgetPositioningOnWidgetAdd() {}

    37     

    38     virtual QList<QRectF> convert(const QRectF &contentArea,

    39                                   const QList<QRectF> &existingRects,

    40                                   const QList<QRectF> &newRects,

    41                                   const QPointF &startPoint) = 0;

    42    

    43     static void setInstance(HsWidgetPositioningOnWidgetAdd *instance);

    44     static HsWidgetPositioningOnWidgetAdd *instance();

    45 

    46 private:

    47     static HsWidgetPositioningOnWidgetAdd *mInstance;

    48 };

    49 

    50 class HSDOMAINMODEL_EXPORT HsAnchorPointInBottomRight : public HsWidgetPositioningOnWidgetAdd

    51 {

    52 public:

    53     QList<QRectF> convert(const QRectF &contentArea,

    54                           const QList<QRectF> &existingRects,

    55                           const QList<QRectF> &newRects,

    56                           const QPointF &startPoint);

    57  

    58 };

    59 

    60 class HSDOMAINMODEL_EXPORT HsAnchorPointInCenter : public HsWidgetPositioningOnWidgetAdd

    61 {

    62 public:

    63     QList<QRectF> convert(const QRectF &contentArea,

    64                           const QList<QRectF> &existingRects,

    65                           const QList<QRectF> &newRects,

    66                           const QPointF &startPoint);

    67  };

    68 

    69 class HSDOMAINMODEL_EXPORT HsWidgetOrganizer : public HsWidgetPositioningOnWidgetAdd

    70 {

    71 public:

    72     HsWidgetOrganizer(int anchorDistance, HsConfiguration::WidgetOrganizerSearchSequence sequence);

    73     ~HsWidgetOrganizer();

    74 

    75 public:

    76     QList<QRectF> convert(const QRectF &contentArea,

    77                           const QList<QRectF> &existingRects,

    78                           const QList<QRectF> &newRects,

    79                           const QPointF &startPoint);

    80 

    81 private:

    82     enum SortMode {SortByHeight, SortByWidth, SortByArea};

    83     enum SearchMode {SearchColumn, SearchRow};

    84 

    85 private:

    86     void initAnchors();

    87     bool checkExistingRects(const QList<QRectF> &existingRects);

    88     int convertToAnchors(int length);

    89     bool markAnchors(const QRectF &rect);

    90     int getAnchorListIndex(const QPointF &position);

    91     QPointF getPosition(const QSizeF &size);

    92     QPointF searchPositionRowByRow(QPointF startPoint, int width, int height);

    93     QPointF searchPositionColumnByColumn(QPointF startPoint, int width, int height);

    94     QPointF searchSpace(SearchMode mode, QPointF startPoint, int contentLength);

    95     QPointF getAnchorCoordinates(int index);

    96     QList<int> sortRects(SortMode mode, const QMap<int, QRectF> &rects);

    97 

    98 private:

    99     int mAnchorDistance;

   100     HsConfiguration::WidgetOrganizerSearchSequence mSequence;

   101     QList<bool> mAnchors;

   102     QRectF mContentArea;

   103     int mAnchorColumns;

   104     int mAnchorRows;

   105     HsAnchorPointInCenter *mCenterAlgorithm;

   106 

   107     HOMESCREEN_TEST_FRIEND_CLASS(TestHsDomainModel)

   108 };

   109 

   110 

   111 #endif // HSWIDGETPOSITIONINGONWIDGETADD_H