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author | abcd <qt-info@nokia.com> | 2011-07-31 21:33:56 +1000 |
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committer | abcd <qt_abcd1@ovi.com> | 2011-08-09 03:48:02 +0200 |
commit | 2904df66e87534ff348f7af13b0d513c8ecc746c (patch) | |
tree | 70fb416d39158f80d9445e1e9f0d1a2c6de20b48 /src/location/maps/qgeocodingmanager.cpp | |
parent | 38e2574bf27f66100bf9ec16592f938a4b7a02b1 (diff) | |
download | qtlocation-2904df66e87534ff348f7af13b0d513c8ecc746c.tar.gz |
Rename QGeoSearchManager to QGeocodingManager
Also do related renames like QGeoSearchReply to QGeocodeReply
Change-Id: I31cc6da4fda03299e905b4938cdfcff3c20aa8c7
Reviewed-on: http://codereview.qt.nokia.com/2710
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: abcd <qt_abcd1@ovi.com>
Diffstat (limited to 'src/location/maps/qgeocodingmanager.cpp')
-rw-r--r-- | src/location/maps/qgeocodingmanager.cpp | 364 |
1 files changed, 364 insertions, 0 deletions
diff --git a/src/location/maps/qgeocodingmanager.cpp b/src/location/maps/qgeocodingmanager.cpp new file mode 100644 index 00000000..26382dee --- /dev/null +++ b/src/location/maps/qgeocodingmanager.cpp @@ -0,0 +1,364 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qgeocodingmanager.h" +#include "qgeocodingmanager_p.h" +#include "qgeocodingmanagerengine.h" + +#include "qgeoboundingbox.h" +#include "qgeoboundingcircle.h" + +#include <QLocale> + +QT_BEGIN_NAMESPACE + +/*! + \class QGeocodingManager + + \brief The QGeocodingManager class provides support for geocoding + operations. + + + \inmodule QtLocation + \since 1.1 + + \ingroup maps-places + + The geocode(), reverseGeocode() and search() functions return + QGeocodeReply objects, which manage these operations and report on the + result of the operations and any errors which may have occurred. + + The geocode() and reverseGeocode() functions can be used to convert + QGeoAddress instances to QGeoCoordinate instances and vice-versa. + + The geocode() function is also overloaded to allow a user to perform a free text + geocoding operation, if the string provided can be interpreted as + an address it can be geocoded to coordinate information. + + Instances of QGeocodingManager can be accessed with + QGeoServiceProvider::geocodingManager(). +*/ + +/*! + Constructs a new manager with the specified \a parent and with the + implementation provided by \a engine. + + This constructor is used interally by QGeoServiceProviderFactory. Regular + users should acquire instances of QGeocodingManager with + QGeoServiceProvider::geocodingManager(); +*/ +QGeocodingManager::QGeocodingManager(QGeocodingManagerEngine *engine, QObject *parent) + : QObject(parent), + d_ptr(new QGeocodingManagerPrivate()) +{ + d_ptr->engine = engine; + if (d_ptr->engine) { + d_ptr->engine->setParent(this); + + connect(d_ptr->engine, + SIGNAL(finished(QGeocodeReply*)), + this, + SIGNAL(finished(QGeocodeReply*))); + + connect(d_ptr->engine, + SIGNAL(error(QGeocodeReply*, QGeocodeReply::Error, QString)), + this, + SIGNAL(error(QGeocodeReply*, QGeocodeReply::Error, QString))); + } else { + qFatal("The geocoding manager engine that was set for this geocoding manager was NULL."); + } +} + +/*! + Destroys this manager. +*/ +QGeocodingManager::~QGeocodingManager() +{ + delete d_ptr; +} + +/*! + Returns the name of the engine which implements the behaviour of this + geocoding manager. + + The combination of managerName() and managerVersion() should be unique + amongst the plugin implementations. +*/ +QString QGeocodingManager::managerName() const +{ +// if (!d_ptr->engine) +// return QString(); + + return d_ptr->engine->managerName(); +} + +/*! + Returns the version of the engine which implements the behaviour of this + geocoding manager. + + The combination of managerName() and managerVersion() should be unique + amongst the plugin implementations. +*/ +int QGeocodingManager::managerVersion() const +{ +// if (!d_ptr->engine) +// return -1; + + return d_ptr->engine->managerVersion(); +} + +/*! + Begins the geocoding of \a address. Geocoding is the process of finding a + coordinate that corresponds to a given address. + + A QGeocodeReply object will be returned, which can be used to manage the + geocoding operation and to return the results of the operation. + + This manager and the returned QGeocodeReply object will emit signals + indicating if the operation completes or if errors occur. + + If supportsGeocoding() returns false an + QGeocodeReply::UnsupportedOptionError will occur. + + Once the operation has completed, QGeocodeReply::locations() can be used to + retrieve the results, which will consist of a list of QGeoLocation objects. + These object represent a combination of coordinate and address data. + + The address data returned in the results may be different from \a address. + This will usually occur if the geocoding service backend uses a different + canonical form of addresses or if \a address was only partially filled out. + + If \a bounds is non-null and valid QGeoBoundingArea it will be used to + limit the results to thos that are contained within \a bounds. This is + particularly useful if \a address is only partially filled out, as the + service will attempt to geocode all matches for the specified data. + + The user is responsible for deleting the returned reply object, although + this can be done in the slot connected to QGeocodingManager::finished(), + QGeocodingManager::error(), QGeocodeReply::finished() or + QGeocodeReply::error() with deleteLater(). +*/ +QGeocodeReply* QGeocodingManager::geocode(const QGeoAddress &address, QGeoBoundingArea *bounds) +{ +// if (!d_ptr->engine) +// return new QGeocodeReply(QGeocodeReply::EngineNotSetError, "The geocoding manager was not created with a valid engine.", this); + + return d_ptr->engine->geocode(address, bounds); +} + + +/*! + Begins the reverse geocoding of \a coordinate. Reverse geocoding is the + process of finding an address that corresponds to a given coordinate. + + A QGeocodeReply object will be returned, which can be used to manage the + reverse geocoding operation and to return the results of the operation. + + This manager and the returned QGeocodeReply object will emit signals + indicating if the operation completes or if errors occur. + + If supportsReverseGeocoding() returns false an + QGeocodeReply::UnsupportedOptionError will occur. + + At that point QGeocodeReply::locations() can be used to retrieve the + results, which will consist of a list of QGeoLocation objects. These object + represent a combination of coordinate and address data. + + The coordinate data returned in the results may be different from \a + coordinate. This will usually occur if the reverse geocoding service + backend shifts the coordinates to be closer to the matching addresses, or + if the backend returns results at multiple levels of detail. + + If multiple results are returned by the reverse geocoding service backend + they will be provided in order of specificity. This normally occurs if the + backend is configured to reverse geocode across multiple levels of detail. + As an example, some services will return address and coordinate pairs for + the street address, the city, the state and the country. + + If \a bounds is non-null and a valid QGeoBoundingBox it will be used to + limit the results to thos that are contained within \a bounds. + + The user is responsible for deleting the returned reply object, although + this can be done in the slot connected to QGeocodingManager::finished(), + QGeocodingManager::error(), QGeocodeReply::finished() or + QGeocodeReply::error() with deleteLater(). +*/ +QGeocodeReply* QGeocodingManager::reverseGeocode(const QGeoCoordinate &coordinate, QGeoBoundingArea *bounds) +{ +// if (!d_ptr->engine) +// return new QGeocodeReply(QGeocodeReply::EngineNotSetError, "The geocoding manager was not created with a valid engine.", this); + + return d_ptr->engine->reverseGeocode(coordinate, bounds); +} + +/*! + Begins geocoding for a location matching \a address. + + A QGeocodeReply object will be returned, which can be used to manage the + geocoding operation and to return the results of the operation. + + This manager and the returned QGeocodeReply object will emit signals + indicating if the operation completes or if errors occur. + + Once the operation has completed, QGeocodeReply::locations() can be used to + retrieve the results, which will consist of a list of QGeoLocation objects. + These object represent a combination of coordinate and address data. + + If \a limit is -1 the entire result set will be returned, otherwise at most + \a limit results will be returned. + + The \a offset parameter is used to ask the geocoding service to not return the + first \a offset results. + + The \a limit and \a offset results are used together to implement paging. + + If \a bounds is non-null and a valid QGeoBoundingArea it will be used to + limit the results to thos that are contained within \a bounds. + + The user is responsible for deleting the returned reply object, although + this can be done in the slot connected to QGeocodingManager::finished(), + QGeocodingManager::error(), QGeocodeReply::finished() or + QGeocodeReply::error() with deleteLater(). +*/ +QGeocodeReply* QGeocodingManager::geocode(const QString &address, + int limit, + int offset, + QGeoBoundingArea *bounds) +{ +// if (!d_ptr->engine) +// return new QGeocodeReply(QGeocodeReply::EngineNotSetError, "The geocoding manager was not created with a valid engine.", this); + + QGeocodeReply *reply = d_ptr->engine->geocode(address, + limit, + offset, + bounds); + return reply; +} + +/*! + Returns whether this manager supports geocoding. +*/ +bool QGeocodingManager::supportsGeocoding() const +{ +// if (!d_ptr->engine) +// return false; + + return d_ptr->engine->supportsGeocoding(); +} + +/*! + Returns whether this manager supports reverse geocoding. +*/ +bool QGeocodingManager::supportsReverseGeocoding() const +{ + return d_ptr->engine->supportsReverseGeocoding(); +} + +/*! + Sets the locale to be used by the this manager to \a locale. + + If this geocoding manager supports returning the results + in different languages, they will be returned in the language of \a locale. + + The locale used defaults to the system locale if this is not set. +*/ +void QGeocodingManager::setLocale(const QLocale &locale) +{ + d_ptr->engine->setLocale(locale); +} + +/*! + Returns the locale used to hint to this geocoding manager about what + language to use for the results. +*/ +QLocale QGeocodingManager::locale() const +{ + return d_ptr->engine->locale(); +} + +/*! +\fn void QGeocodingManager::finished(QGeocodeReply* reply) + + This signal is emitted when \a reply has finished processing. + + If reply::error() equals QGeocodeReply::NoError then the processing + finished successfully. + + This signal and QGeocodeReply::finished() will be emitted at the same + time. + + \note Do no delete the \a reply object in the slot connected to this + signal. Use deleteLater() instead. +*/ + +/*! +\fn void QGeocodingManager::error(QGeocodeReply* reply, QGeocodeReply::Error error, QString errorString) + + This signal is emitted when an error has been detected in the processing of + \a reply. The QGeocodingManager::finished() signal will probably follow. + + The error will be described by the error code \a error. If \a errorString is + not empty it will contain a textual description of the error. + + This signal and QGeocodeReply::error() will be emitted at the same time. + + \note Do no delete the \a reply object in the slot connected to this + signal. Use deleteLater() instead. +*/ + +/******************************************************************************* +*******************************************************************************/ + +QGeocodingManagerPrivate::QGeocodingManagerPrivate() + : engine(0) {} + +QGeocodingManagerPrivate::~QGeocodingManagerPrivate() +{ + if (engine) + delete engine; +} + +/******************************************************************************* +*******************************************************************************/ + +#include "moc_qgeocodingmanager.cpp" + +QT_END_NAMESPACE |