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Diffstat (limited to 'src/pdf/quick/qquickpdfdocument.cpp')
| -rw-r--r-- | src/pdf/quick/qquickpdfdocument.cpp | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/pdf/quick/qquickpdfdocument.cpp b/src/pdf/quick/qquickpdfdocument.cpp new file mode 100644 index 000000000..73b3d4537 --- /dev/null +++ b/src/pdf/quick/qquickpdfdocument.cpp @@ -0,0 +1,237 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickpdfdocument_p.h" +#include <QQuickItem> +#include <QQmlEngine> +#include <QStandardPaths> +#include <private/qguiapplication_p.h> + +QT_BEGIN_NAMESPACE + +/*! + \qmltype Document + \instantiates QQuickPdfDocument + \inqmlmodule QtQuick.Pdf + \ingroup pdf + \brief A representation of a PDF document. + \since 5.15 + + A Document provides access to PDF document meta-information. + It is not necessary for rendering, as it is enough to use an + \l Image with source set to the URL of the PDF. +*/ + +/*! + Constructs a PDF document. +*/ +QQuickPdfDocument::QQuickPdfDocument(QObject *parent) + : QObject(parent) +{ + connect(&m_doc, &QPdfDocument::passwordChanged, this, &QQuickPdfDocument::passwordChanged); + connect(&m_doc, &QPdfDocument::passwordRequired, this, &QQuickPdfDocument::passwordRequired); + connect(&m_doc, &QPdfDocument::statusChanged, [=] (QPdfDocument::Status status) { + emit statusChanged(); + if (status == QPdfDocument::Ready) + emit metaDataChanged(); + }); + connect(&m_doc, &QPdfDocument::pageCountChanged, this, &QQuickPdfDocument::pageCountChanged); +} + +void QQuickPdfDocument::componentComplete() +{ + if (m_doc.error() == QPdfDocument::IncorrectPasswordError) + emit passwordRequired(); +} + +/*! + \qmlproperty url Document::source + + This property holds a URL pointing to the PDF file to be loaded. + + \note At this time, only local filesystem URLs are supported. +*/ +void QQuickPdfDocument::setSource(QUrl source) +{ + if (m_source == source) + return; + + m_source = source; + emit sourceChanged(); + m_doc.load(source.path()); +} + +/*! + \qmlproperty string Document::error + + This property holds a translated string representation of the current + error, if any. + + \sa status +*/ +QString QQuickPdfDocument::error() const +{ + switch (m_doc.error()) { + case QPdfDocument::NoError: + return tr("no error"); + break; + case QPdfDocument::UnknownError: + break; + case QPdfDocument::DataNotYetAvailableError: + return tr("data not yet available"); + break; + case QPdfDocument::FileNotFoundError: + return tr("file not found"); + break; + case QPdfDocument::InvalidFileFormatError: + return tr("invalid file format"); + break; + case QPdfDocument::IncorrectPasswordError: + return tr("incorrect password"); + break; + case QPdfDocument::UnsupportedSecuritySchemeError: + return tr("unsupported security scheme"); + break; + } + return tr("unknown error"); +} + +/*! + \qmlproperty bool Document::password + + This property holds the document password. If the passwordRequired() + signal is emitted, the UI should prompt the user and then set this + property so that document opening can continue. +*/ +void QQuickPdfDocument::setPassword(const QString &password) +{ + if (m_doc.password() == password) + return; + m_doc.setPassword(password); + if (source().isValid() && source().isLocalFile()) + m_doc.load(source().path()); +} + +/*! + \qmlproperty int Document::pageCount + + This property holds the number of pages the PDF contains. +*/ + +/*! + \qmlsignal Document::passwordRequired() + + This signal is emitted when the PDF requires a password in order to open. + The UI in a typical PDF viewer should prompt the user for the password + and then set the password property when the user has provided it. +*/ + +/*! + \qmlmethod size Document::pagePointSize(int page) + + Returns the size of the given \a page in points. +*/ +QSizeF QQuickPdfDocument::pagePointSize(int page) const +{ + return m_doc.pageSize(page); +} + +/*! + \qmlproperty string Document::title + + This property holds the document's title. A typical viewer UI can bind this + to the \c Window.title property. +*/ + +/*! + \qmlproperty string Document::author + + This property holds the name of the person who created the document. +*/ + +/*! + \qmlproperty string Document::subject + + This property holds the subject of the document. +*/ + +/*! + \qmlproperty string Document::keywords + + This property holds the keywords associated with the document. +*/ + +/*! + \qmlproperty string Document::creator + + If the document was converted to PDF from another format, this property + holds the name of the software that created the original document. +*/ + +/*! + \qmlproperty string Document::producer + + If the document was converted to PDF from another format, this property + holds the name of the software that converted it to PDF. +*/ + +/*! + \qmlproperty string Document::creationDate + + This property holds the date and time the document was created. +*/ + +/*! + \qmlproperty string Document::modificationDate + + This property holds the date and time the document was most recently + modified. +*/ + +/*! + \qmlproperty enum Document::status + + This property tells the current status of the document. The possible values are: + + \value PdfDocument.Null The initial status after the document has been created or after it has been closed. + \value PdfDocument.Loading The status after load() has been called and before the document is fully loaded. + \value PdfDocument.Ready The status when the document is fully loaded and its data can be accessed. + \value PdfDocument.Unloading The status after close() has been called on an open document. + At this point the document is still valid and all its data can be accessed. + \value PdfDocument.Error The status after Loading, if loading has failed. +*/ + +QT_END_NAMESPACE |