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Please review the following information to 30 ** ensure the GNU General Public License version 2.0 requirements will be 31 ** met: http://www.gnu.org/licenses/gpl-2.0.html. 32 ** 33 ** $QT_END_LICENSE$ 34 ** 35 ****************************************************************************/ 36 37 #ifndef QDECLARATIVEGEOMAPITEMBASE_H 38 #define QDECLARATIVEGEOMAPITEMBASE_H 39 40 // 41 // W A R N I N G 42 // ------------- 43 // 44 // This file is not part of the Qt API. It exists purely as an 45 // implementation detail. This header file may change from version to 46 // version without notice, or even be removed. 47 // 48 // We mean it. 49 // 50 51 #include <QtLocation/private/qlocationglobal_p.h> 52 53 #include <QtQuick/QQuickItem> 54 #include <QtPositioning/QGeoShape> 55 56 #include <QtLocation/private/qdeclarativegeomap_p.h> 57 #include <QtLocation/private/qlocationglobal_p.h> 58 #include <QtLocation/private/qgeomap_p.h> 59 #include <QtLocation/private/qdeclarativegeomapitemtransitionmanager_p.h> 60 #include <QScopedPointer> 61 62 QT_BEGIN_NAMESPACE 63 64 class Q_LOCATION_PRIVATE_EXPORT QGeoMapViewportChangeEvent 65 { 66 public: 67 explicit QGeoMapViewportChangeEvent(); 68 QGeoMapViewportChangeEvent(const QGeoMapViewportChangeEvent &other); 69 QGeoMapViewportChangeEvent &operator=(const QGeoMapViewportChangeEvent &other); 70 71 QGeoCameraData cameraData; 72 QSizeF mapSize; 73 74 bool zoomLevelChanged; 75 bool centerChanged; 76 bool mapSizeChanged; 77 bool tiltChanged; 78 bool bearingChanged; 79 bool rollChanged; 80 }; 81 82 class Q_LOCATION_PRIVATE_EXPORT QDeclarativeGeoMapItemBase : public QQuickItem 83 { 84 Q_OBJECT 85 86 Q_PROPERTY(QGeoShape geoShape READ geoShape WRITE setGeoShape STORED false ) 87 Q_PROPERTY(bool autoFadeIn READ autoFadeIn WRITE setAutoFadeIn REVISION 14) 88 Q_PROPERTY(int lodThreshold READ lodThreshold WRITE setLodThreshold NOTIFY lodThresholdChanged REVISION 15) 89 90 public: 91 explicit QDeclarativeGeoMapItemBase(QQuickItem *parent = 0); 92 virtual ~QDeclarativeGeoMapItemBase(); 93 94 virtual void setMap(QDeclarativeGeoMap *quickMap, QGeoMap *map); 95 virtual void setPositionOnMap(const QGeoCoordinate &coordinate, const QPointF &offset); 96 quickMap()97 QDeclarativeGeoMap *quickMap() const { return quickMap_; } map()98 QGeoMap *map() const { return map_; } 99 virtual const QGeoShape &geoShape() const = 0; 100 virtual void setGeoShape(const QGeoShape &shape) = 0; 101 102 bool autoFadeIn() const; 103 void setAutoFadeIn(bool fadeIn); 104 105 int lodThreshold() const; 106 void setLodThreshold(int lt); 107 unsigned int zoomForLOD(int zoom) const; 108 109 QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *); 110 virtual QSGNode *updateMapItemPaintNode(QSGNode *, UpdatePaintNodeData *); 111 112 QGeoMap::ItemType itemType() const; 113 qreal mapItemOpacity() const; 114 115 void setParentGroup(QDeclarativeGeoMapItemGroup &parentGroup); 116 117 template <typename T = QObject> 118 quickChildren()119 QList<T*> quickChildren() const 120 { 121 QList<T*> res; 122 QObjectList kids = children(); 123 QList<QQuickItem *> quickKids = childItems(); 124 for (int i = 0; i < quickKids.count(); ++i) 125 kids.append(quickKids.at(i)); 126 for (auto kid : qAsConst(kids)) { 127 auto val = qobject_cast<T*>(kid); 128 if (val) 129 res.push_back(val); 130 } 131 return res; 132 } 133 134 Q_SIGNALS: 135 void mapItemOpacityChanged(); 136 Q_REVISION(12) void addTransitionFinished(); 137 Q_REVISION(12) void removeTransitionFinished(); 138 void lodThresholdChanged(); 139 140 protected Q_SLOTS: 141 virtual void afterChildrenChanged(); 142 virtual void afterViewportChanged(const QGeoMapViewportChangeEvent &event) = 0; 143 void polishAndUpdate(); 144 145 protected: 146 float zoomLevelOpacity() const; 147 bool childMouseEventFilter(QQuickItem *item, QEvent *event); 148 bool isPolishScheduled() const; 149 virtual void setMaterialDirty(); 150 151 QGeoMap::ItemType m_itemType = QGeoMap::NoItem; 152 153 private Q_SLOTS: 154 void baseCameraDataChanged(const QGeoCameraData &camera); 155 void visibleAreaChanged(); 156 157 private: 158 QPointer<QGeoMap> map_; 159 QDeclarativeGeoMap *quickMap_; 160 161 QSizeF lastSize_; 162 QGeoCameraData lastCameraData_; 163 164 QDeclarativeGeoMapItemGroup *parentGroup_; 165 166 QScopedPointer<QDeclarativeGeoMapItemTransitionManager> m_transitionManager; 167 bool m_autoFadeIn = true; 168 int m_lodThreshold = 0; 169 170 friend class QDeclarativeGeoMap; 171 friend class QDeclarativeGeoMapItemView; 172 friend class QDeclarativeGeoMapItemTransitionManager; 173 }; 174 175 QT_END_NAMESPACE 176 177 #endif 178