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authorBen Murdoch <benm@google.com>2011-05-13 16:23:25 +0100
committerBen Murdoch <benm@google.com>2011-05-16 11:35:02 +0100
commit65f03d4f644ce73618e5f4f50dd694b26f55ae12 (patch)
treef478babb801e720de7bfaee23443ffe029f58731 /WebKit/qt/Api/qwebdatabase.cpp
parent47de4a2fb7262c7ebdb9cd133ad2c54c187454d0 (diff)
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Merge WebKit at r75993: Initial merge by git.
Change-Id: I602bbdc3974787a3b0450456a30a7868286921c3
Diffstat (limited to 'WebKit/qt/Api/qwebdatabase.cpp')
-rw-r--r--WebKit/qt/Api/qwebdatabase.cpp198
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diff --git a/WebKit/qt/Api/qwebdatabase.cpp b/WebKit/qt/Api/qwebdatabase.cpp
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-/*
- Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with this library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "qwebdatabase.h"
-
-#include "qwebdatabase_p.h"
-#include "qwebsecurityorigin.h"
-#include "qwebsecurityorigin_p.h"
-#include "DatabaseDetails.h"
-#include "DatabaseTracker.h"
-
-using namespace WebCore;
-
-/*!
- \class QWebDatabase
- \since 4.5
- \brief The QWebDatabase class provides access to HTML 5 databases created with JavaScript.
-
- \inmodule QtWebKit
-
- The upcoming HTML 5 standard includes support for SQL databases that web sites can create and
- access on a local computer through JavaScript. QWebDatabase is the C++ interface to these
- databases.
-
- Databases are grouped together in security origins. To get access to all databases defined by
- a security origin, use QWebSecurityOrigin::databases(). Each database has an internal name(),
- as well as a user-friendly name, provided by displayName(). These names are specified when
- creating the database in the JavaScript code.
-
- WebKit uses SQLite to create and access the local SQL databases. The location of the database
- file in the local file system is returned by fileName(). You can access the database directly
- through the QtSql database module.
-
- For each database the web site can define an expectedSize(). The current size of the database
- in bytes is returned by size().
-
- For more information refer to the \l{http://dev.w3.org/html5/webdatabase/}{HTML5 Web SQL Database Draft Standard}.
-
- \sa QWebSecurityOrigin
-*/
-
-/*!
- Constructs a web database from \a other.
-*/
-QWebDatabase::QWebDatabase(const QWebDatabase& other)
- : d(other.d)
-{
-}
-
-/*!
- Assigns the \a other web database to this.
-*/
-QWebDatabase& QWebDatabase::operator=(const QWebDatabase& other)
-{
- d = other.d;
- return *this;
-}
-
-/*!
- Returns the name of the database.
-*/
-QString QWebDatabase::name() const
-{
- return d->name;
-}
-
-/*!
- Returns the name of the database in a format that is suitable for display to the user.
-*/
-QString QWebDatabase::displayName() const
-{
-#if ENABLE(DATABASE)
- DatabaseDetails details = DatabaseTracker::tracker().detailsForNameAndOrigin(d->name, d->origin.get());
- return details.displayName();
-#else
- return QString();
-#endif
-}
-
-/*!
- Returns the expected size of the database in bytes as defined by the web author.
-*/
-qint64 QWebDatabase::expectedSize() const
-{
-#if ENABLE(DATABASE)
- DatabaseDetails details = DatabaseTracker::tracker().detailsForNameAndOrigin(d->name, d->origin.get());
- return details.expectedUsage();
-#else
- return 0;
-#endif
-}
-
-/*!
- Returns the current size of the database in bytes.
-*/
-qint64 QWebDatabase::size() const
-{
-#if ENABLE(DATABASE)
- DatabaseDetails details = DatabaseTracker::tracker().detailsForNameAndOrigin(d->name, d->origin.get());
- return details.currentUsage();
-#else
- return 0;
-#endif
-}
-
-/*!
- \internal
-*/
-QWebDatabase::QWebDatabase(QWebDatabasePrivate* priv)
-{
- d = priv;
-}
-
-/*!
- Returns the file name of the web database.
-
- The name can be used to access the database through the QtSql database module, for example:
- \code
- QWebDatabase webdb = ...
- QSqlDatabase sqldb = QSqlDatabase::addDatabase("QSQLITE", "myconnection");
- sqldb.setDatabaseName(webdb.fileName());
- if (sqldb.open()) {
- QStringList tables = sqldb.tables();
- ...
- }
- \endcode
-
- \note Concurrent access to a database from multiple threads or processes
- is not very efficient because SQLite is used as WebKit's database backend.
-*/
-QString QWebDatabase::fileName() const
-{
-#if ENABLE(DATABASE)
- return DatabaseTracker::tracker().fullPathForDatabase(d->origin.get(), d->name, false);
-#else
- return QString();
-#endif
-}
-
-/*!
- Returns the databases's security origin.
-*/
-QWebSecurityOrigin QWebDatabase::origin() const
-{
- QWebSecurityOriginPrivate* priv = new QWebSecurityOriginPrivate(d->origin.get());
- QWebSecurityOrigin origin(priv);
- return origin;
-}
-
-/*!
- Removes the database \a db from its security origin. All data stored in the
- database \a db will be destroyed.
-*/
-void QWebDatabase::removeDatabase(const QWebDatabase& db)
-{
-#if ENABLE(DATABASE)
- DatabaseTracker::tracker().deleteDatabase(db.d->origin.get(), db.d->name);
-#endif
-}
-
-/*!
- \since 4.6
-
- Deletes all web databases in the configured offline storage path.
-
- \sa QWebSettings::setOfflineStoragePath()
-*/
-void QWebDatabase::removeAllDatabases()
-{
-#if ENABLE(DATABASE)
- DatabaseTracker::tracker().deleteAllDatabases();
-#endif
-}
-
-/*!
- Destroys the web database object. The data within this database is \b not destroyed.
-*/
-QWebDatabase::~QWebDatabase()
-{
-}
-