From ccbd6fbdbe071f42e1c060ca579786758701f358 Mon Sep 17 00:00:00 2001
From: Shawn Rutledge <shawn.rutledge@qt.io>
Date: Wed, 15 Jan 2020 09:44:10 +0100
Subject: Add PdfLinkModel

Internal links and web links populate the QALM, which can then
be used to drive a Repeater to position highlight rectangles
with TapHandlers, which will handle a click by jumping to the
link destination.

Fixes: QTBUG-77511
Change-Id: I3b5b96d6e82bfd578f31f631f24279173036a080
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: Michal Klocek <michal.klocek@qt.io>
---
 src/pdf/api/qpdflinkmodel_p.h | 106 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 src/pdf/api/qpdflinkmodel_p.h

(limited to 'src/pdf/api/qpdflinkmodel_p.h')

diff --git a/src/pdf/api/qpdflinkmodel_p.h b/src/pdf/api/qpdflinkmodel_p.h
new file mode 100644
index 000000000..cf9c0aad4
--- /dev/null
+++ b/src/pdf/api/qpdflinkmodel_p.h
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPDFLINKMODEL_P_H
+#define QPDFLINKMODEL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qtpdfglobal.h"
+#include "qpdfdocument.h"
+
+#include <QObject>
+#include <QAbstractListModel>
+
+QT_BEGIN_NAMESPACE
+
+class QPdfLinkModelPrivate;
+
+class Q_PDF_EXPORT QPdfLinkModel : public QAbstractListModel
+{
+    Q_OBJECT
+    Q_PROPERTY(QPdfDocument *document READ document WRITE setDocument NOTIFY documentChanged)
+    Q_PROPERTY(int page READ page WRITE setPage NOTIFY pageChanged)
+
+public:
+    enum class Role : int {
+        Rect = Qt::UserRole,
+        Url,
+        Page,
+        Location,
+        Zoom,
+        _Count
+    };
+    Q_ENUM(Role)
+    explicit QPdfLinkModel(QObject *parent = nullptr);
+    ~QPdfLinkModel();
+
+    QPdfDocument *document() const;
+
+    QHash<int, QByteArray> roleNames() const override;
+    int rowCount(const QModelIndex &parent) const override;
+    QVariant data(const QModelIndex &index, int role) const override;
+
+    int page() const;
+
+public Q_SLOTS:
+    void setDocument(QPdfDocument *document);
+    void setPage(int page);
+
+Q_SIGNALS:
+    void documentChanged();
+    void pageChanged(int page);
+
+private Q_SLOTS:
+    void onStatusChanged(QPdfDocument::Status status);
+
+private:
+    QHash<int, QByteArray> m_roleNames;
+    Q_DECLARE_PRIVATE(QPdfLinkModel)
+};
+
+QT_END_NAMESPACE
+
+#endif // QPDFLINKMODEL_P_H
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