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Diffstat (limited to 'src/webenginewidgets/api/qwebenginehistory.cpp')
-rw-r--r-- | src/webenginewidgets/api/qwebenginehistory.cpp | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/src/webenginewidgets/api/qwebenginehistory.cpp b/src/webenginewidgets/api/qwebenginehistory.cpp new file mode 100644 index 000000000..2dd69dcff --- /dev/null +++ b/src/webenginewidgets/api/qwebenginehistory.cpp @@ -0,0 +1,288 @@ +/**************************************************************************** +** +** Copyright (C) 2013 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 "qwebenginehistory.h" +#include "qwebenginehistory_p.h" + +#include "qwebenginepage_p.h" +#include "web_contents_adapter.h" + +QT_BEGIN_NAMESPACE + +QWebEngineHistoryItemPrivate::QWebEngineHistoryItemPrivate(WebContentsAdapter *adapter, int index) + : adapter(adapter) + , index(index) +{ +} + +QWebEngineHistoryItem::QWebEngineHistoryItem(QWebEngineHistoryItemPrivate *d) + : d(d) +{ +} + +QWebEngineHistoryItem::QWebEngineHistoryItem(const QWebEngineHistoryItem &other) + : d(other.d) +{ +} + +QWebEngineHistoryItem &QWebEngineHistoryItem::operator=(const QWebEngineHistoryItem &other) +{ + d = other.d; + return *this; +} + +QWebEngineHistoryItem::~QWebEngineHistoryItem() +{ +} + +QUrl QWebEngineHistoryItem::originalUrl() const +{ + Q_D(const QWebEngineHistoryItem); + return d->adapter ? d->adapter->getNavigationEntryOriginalUrl(d->index) : QUrl(); +} + +QUrl QWebEngineHistoryItem::url() const +{ + Q_D(const QWebEngineHistoryItem); + return d->adapter ? d->adapter->getNavigationEntryUrl(d->index) : QUrl(); +} + +QString QWebEngineHistoryItem::title() const +{ + Q_D(const QWebEngineHistoryItem); + return d->adapter ? d->adapter->getNavigationEntryTitle(d->index) : QString(); +} + +QDateTime QWebEngineHistoryItem::lastVisited() const +{ + qWarning("Not implemented: %s", __func__); + return QDateTime(); +} + +QIcon QWebEngineHistoryItem::icon() const +{ + qWarning("Not implemented: %s", __func__); + return QIcon(); +} + +QVariant QWebEngineHistoryItem::userData() const +{ + return QVariant(); +} + +void QWebEngineHistoryItem::setUserData(const QVariant& userData) +{ + qWarning("Not implemented: %s", __func__); +} + +bool QWebEngineHistoryItem::isValid() const +{ + Q_D(const QWebEngineHistoryItem); + if (!d->adapter) + return false; + return d->index >= 0 && d->index < d->adapter->navigationEntryCount(); +} + +QWebEngineHistoryPrivate::QWebEngineHistoryPrivate(WebContentsAdapter *adapter) + : adapter(adapter) +{ +} + +QWebEngineHistoryPrivate::~QWebEngineHistoryPrivate() +{ + // Invalidate shared item references possibly still out there. + QList<QWebEngineHistoryItem>::iterator it, end; + for (it = items.begin(), end = items.end(); it != end; ++it) + it->d->adapter = 0; +} + +void QWebEngineHistoryPrivate::updateItems() const +{ + // Keep track of items we return to be able to invalidate them + // and avoid dangling references to our adapter. + int entryCount = adapter->navigationEntryCount(); + while (items.size() > entryCount) { + items.last().d->adapter = 0; + items.removeLast(); + } + while (items.size() < entryCount) { + int nextIndex = items.size(); + items.append(QWebEngineHistoryItem(new QWebEngineHistoryItemPrivate(adapter, nextIndex))); + } +} + +QWebEngineHistory::QWebEngineHistory(QWebEngineHistoryPrivate *d) + : d_ptr(d) +{ +} + +QWebEngineHistory::~QWebEngineHistory() +{ +} + +void QWebEngineHistory::clear() +{ + Q_D(const QWebEngineHistory); + d->adapter->clearNavigationHistory(); +} + +QList<QWebEngineHistoryItem> QWebEngineHistory::items() const +{ + Q_D(const QWebEngineHistory); + d->updateItems(); + return d->items; +} + +QList<QWebEngineHistoryItem> QWebEngineHistory::backItems(int maxItems) const +{ + Q_D(const QWebEngineHistory); + d->updateItems(); + const int end = currentItemIndex(); + const int start = std::max(0, end - maxItems); + return d->items.mid(start, end - start); +} + +QList<QWebEngineHistoryItem> QWebEngineHistory::forwardItems(int maxItems) const +{ + Q_D(const QWebEngineHistory); + d->updateItems(); + const int start = currentItemIndex() + 1; + const int end = std::min(count(), start + maxItems); + return d->items.mid(start, end - start); +} + +bool QWebEngineHistory::canGoBack() const +{ + Q_D(const QWebEngineHistory); + return d->adapter->canGoBack(); +} + +bool QWebEngineHistory::canGoForward() const +{ + Q_D(const QWebEngineHistory); + return d->adapter->canGoForward(); +} + +void QWebEngineHistory::back() +{ + Q_D(const QWebEngineHistory); + d->adapter->navigateToOffset(-1); +} + +void QWebEngineHistory::forward() +{ + Q_D(const QWebEngineHistory); + d->adapter->navigateToOffset(1); +} + +void QWebEngineHistory::goToItem(const QWebEngineHistoryItem &item) +{ + Q_D(const QWebEngineHistory); + Q_ASSERT(item.d->adapter == d->adapter); + d->adapter->navigateToIndex(item.d->index); +} + +QWebEngineHistoryItem QWebEngineHistory::backItem() const +{ + return itemAt(currentItemIndex() - 1); +} + +QWebEngineHistoryItem QWebEngineHistory::currentItem() const +{ + Q_D(const QWebEngineHistory); + d->updateItems(); + return d->items[currentItemIndex()]; +} + +QWebEngineHistoryItem QWebEngineHistory::forwardItem() const +{ + return itemAt(currentItemIndex() + 1); +} + +QWebEngineHistoryItem QWebEngineHistory::itemAt(int i) const +{ + Q_D(const QWebEngineHistory); + if (i >= 0 && i < count()) { + d->updateItems(); + return d->items[i]; + } else { + // Return an invalid item right away. + QWebEngineHistoryItem item(new QWebEngineHistoryItemPrivate(0, i)); + Q_ASSERT(!item.isValid()); + return item; + } +} + +int QWebEngineHistory::currentItemIndex() const +{ + Q_D(const QWebEngineHistory); + return d->adapter->currentNavigationEntryIndex(); +} + +int QWebEngineHistory::count() const +{ + Q_D(const QWebEngineHistory); + return d->adapter->navigationEntryCount(); +} + +int QWebEngineHistory::maximumItemCount() const +{ + return 100; +} + +void QWebEngineHistory::setMaximumItemCount(int count) +{ + qWarning("Not implemented: %s", __func__); +} + +QDataStream& operator<<(QDataStream& stream, const QWebEngineHistory& history) +{ + qWarning("Not implemented: %s", __func__); + return stream; +} + +QDataStream& operator>>(QDataStream& stream, QWebEngineHistory& history) +{ + qWarning("Not implemented: %s", __func__); + return stream; +} + +QT_END_NAMESPACE |