Add Quick's navigationHistory

Add QQuickWebEngineHistory and list models providing API for the quick's
navigationHistory.

Change-Id: Ia86c94b120cc5d0b4757fc62386fc7a0dcb3e341
Reviewed-by: Jocelyn Turcotte <jocelyn.turcotte@digia.com>

1 files changed, 193 insertions, 0 deletions

diff --git a/src/webengine/api/qquickwebenginehistory.cpp b/src/webengine/api/qquickwebenginehistory.cpp
new file mode 100644
index 000000000..551a57205
--- /dev/null
+++ b/src/webengine/api/qquickwebenginehistory.cpp
@@ -0,0 +1,193 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qquickwebenginehistory_p.h"
+#include "qquickwebenginehistory_p_p.h"
+#include "qquickwebengineloadrequest_p.h"
+#include "qquickwebengineview_p_p.h"
+#include "web_contents_adapter.h"
+
+QT_BEGIN_NAMESPACE
+
+QQuickWebEngineHistoryListModelPrivate::QQuickWebEngineHistoryListModelPrivate(QQuickWebEngineViewPrivate *view)
+    : view(view)
+{
+}
+
+QQuickWebEngineHistoryListModelPrivate::~QQuickWebEngineHistoryListModelPrivate()
+{
+}
+
+WebContentsAdapter *QQuickWebEngineHistoryListModelPrivate::adapter() const
+{
+    return view->adapter.data();
+}
+
+QQuickWebEngineBackHistoryListModelPrivate::QQuickWebEngineBackHistoryListModelPrivate(QQuickWebEngineViewPrivate *view)
+    : QQuickWebEngineHistoryListModelPrivate(view)
+{
+}
+
+int QQuickWebEngineBackHistoryListModelPrivate::count() const
+{
+    return adapter()->currentNavigationEntryIndex();
+}
+
+int QQuickWebEngineBackHistoryListModelPrivate::index(int i) const
+{
+    Q_ASSERT(i >= 0 && i < count());
+    return count() - 1 - i;
+}
+
+QQuickWebEngineForwardHistoryListModelPrivate::QQuickWebEngineForwardHistoryListModelPrivate(QQuickWebEngineViewPrivate *view)
+    : QQuickWebEngineHistoryListModelPrivate(view)
+{
+}
+
+int QQuickWebEngineForwardHistoryListModelPrivate::count() const
+{
+    return adapter()->navigationEntryCount() - adapter()->currentNavigationEntryIndex() - 1;
+}
+
+int QQuickWebEngineForwardHistoryListModelPrivate::index(int i) const
+{
+    return adapter()->currentNavigationEntryIndex() + i;
+}
+
+QQuickWebEngineHistoryListModel::QQuickWebEngineHistoryListModel()
+    : QAbstractListModel()
+{
+}
+
+QQuickWebEngineHistoryListModel::QQuickWebEngineHistoryListModel(QQuickWebEngineHistoryListModelPrivate *d)
+    : QAbstractListModel()
+    , d_ptr(d)
+{
+}
+
+QQuickWebEngineHistoryListModel::~QQuickWebEngineHistoryListModel()
+{
+}
+
+QHash<int, QByteArray> QQuickWebEngineHistoryListModel::roleNames() const
+{
+    QHash<int, QByteArray> roles;
+    roles[QQuickWebEngineHistory::UrlRole] = "url";
+    roles[QQuickWebEngineHistory::TitleRole] = "title";
+    return roles;
+}
+
+int QQuickWebEngineHistoryListModel::rowCount(const QModelIndex &index) const
+{
+    Q_UNUSED(index);
+    Q_D(const QQuickWebEngineHistoryListModel);
+    return d->count();
+}
+
+QVariant QQuickWebEngineHistoryListModel::data(const QModelIndex &index, int role) const
+{
+    Q_D(const QQuickWebEngineHistoryListModel);
+
+    if (!index.isValid())
+        return QVariant();
+
+    if (role < QQuickWebEngineHistory::UrlRole || role > QQuickWebEngineHistory::TitleRole)
+        return QVariant();
+
+    if (role == QQuickWebEngineHistory::UrlRole)
+        return QUrl(d->adapter()->getNavigationEntryUrl(d->index(index.row())));
+
+    if (role == QQuickWebEngineHistory::TitleRole)
+        return QString(d->adapter()->getNavigationEntryTitle(d->index(index.row())));
+
+    return QVariant();
+}
+
+void QQuickWebEngineHistoryListModel::reset()
+{
+    beginResetModel();
+    endResetModel();
+}
+
+QQuickWebEngineHistoryPrivate::QQuickWebEngineHistoryPrivate(QQuickWebEngineViewPrivate *view)
+    : m_backNavigationModel(new QQuickWebEngineHistoryListModel(new QQuickWebEngineBackHistoryListModelPrivate(view)))
+    , m_forwardNavigationModel(new QQuickWebEngineHistoryListModel(new QQuickWebEngineForwardHistoryListModelPrivate(view)))
+{
+}
+
+QQuickWebEngineHistoryPrivate::~QQuickWebEngineHistoryPrivate()
+{
+}
+
+QQuickWebEngineHistory::QQuickWebEngineHistory(QQuickWebEngineViewPrivate *view)
+    : d_ptr(new QQuickWebEngineHistoryPrivate(view))
+{
+}
+
+QQuickWebEngineHistory::~QQuickWebEngineHistory()
+{
+}
+
+QQuickWebEngineHistoryListModel *QQuickWebEngineHistory::backItems() const
+{
+    Q_D(const QQuickWebEngineHistory);
+    return d->m_backNavigationModel.data();
+}
+
+QQuickWebEngineHistoryListModel *QQuickWebEngineHistory::forwardItems() const
+{
+    Q_D(const QQuickWebEngineHistory);
+    return d->m_forwardNavigationModel.data();
+}
+
+void QQuickWebEngineHistory::reset(QQuickWebEngineLoadRequest *loadRequest)
+{
+    Q_D(QQuickWebEngineHistory);
+
+    if (loadRequest->status() != QQuickWebEngineView::LoadSucceededStatus)
+        return;
+
+    d->m_backNavigationModel->reset();
+    d->m_forwardNavigationModel->reset();
+}
+
+
+QT_END_NAMESPACE