| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** 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 |
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| ** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qwebenginehistory.h" |
| #include "qwebenginehistory_p.h" |
| |
| #include "qwebenginepage_p.h" |
| #include "web_contents_adapter.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| /*! |
| \fn QWebEngineHistoryItem::swap(QWebEngineHistoryItem &other) |
| Swaps the history item with the \a other item. |
| */ |
| |
| QWebEngineHistoryItemPrivate::QWebEngineHistoryItemPrivate(QWebEnginePagePrivate *page, int index) |
| : page(page) |
| , 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->page ? d->page->webContents()->getNavigationEntryOriginalUrl(d->index) : QUrl(); |
| } |
| |
| QUrl QWebEngineHistoryItem::url() const |
| { |
| Q_D(const QWebEngineHistoryItem); |
| return d->page ? d->page->webContents()->getNavigationEntryUrl(d->index) : QUrl(); |
| } |
| |
| QString QWebEngineHistoryItem::title() const |
| { |
| Q_D(const QWebEngineHistoryItem); |
| return d->page ? d->page->webContents()->getNavigationEntryTitle(d->index) : QString(); |
| } |
| |
| QDateTime QWebEngineHistoryItem::lastVisited() const |
| { |
| Q_D(const QWebEngineHistoryItem); |
| return d->page ? d->page->webContents()->getNavigationEntryTimestamp(d->index) : QDateTime(); |
| } |
| |
| /*! |
| Returns the URL of the icon associated with the history item. |
| |
| \sa url(), originalUrl(), title() |
| */ |
| QUrl QWebEngineHistoryItem::iconUrl() const |
| { |
| Q_D(const QWebEngineHistoryItem); |
| return d->page ? d->page->webContents()->getNavigationEntryIconUrl(d->index) : QUrl(); |
| } |
| |
| bool QWebEngineHistoryItem::isValid() const |
| { |
| Q_D(const QWebEngineHistoryItem); |
| if (!d->page) |
| return false; |
| return d->index >= 0 && d->index < d->page->webContents()->navigationEntryCount(); |
| } |
| |
| QWebEngineHistoryPrivate::QWebEngineHistoryPrivate(QWebEnginePagePrivate *page) |
| : page(page) |
| { |
| } |
| |
| 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->page = 0; |
| } |
| |
| void QWebEngineHistoryPrivate::updateItems() const |
| { |
| // Keep track of items we return to be able to invalidate them |
| // and avoid dangling references to our page. |
| int entryCount = page->webContents()->navigationEntryCount(); |
| while (items.size() > entryCount) { |
| items.last().d->page = 0; |
| items.removeLast(); |
| } |
| while (items.size() < entryCount) { |
| int nextIndex = items.size(); |
| items.append(QWebEngineHistoryItem(new QWebEngineHistoryItemPrivate(page, nextIndex))); |
| } |
| } |
| |
| QWebEngineHistory::QWebEngineHistory(QWebEngineHistoryPrivate *d) |
| : d_ptr(d) |
| { |
| } |
| |
| QWebEngineHistory::~QWebEngineHistory() |
| { |
| } |
| |
| void QWebEngineHistory::clear() |
| { |
| Q_D(const QWebEngineHistory); |
| d->page->webContents()->clearNavigationHistory(); |
| d->page->updateNavigationActions(); |
| } |
| |
| 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->page->webContents()->canGoToOffset(-1); |
| } |
| |
| bool QWebEngineHistory::canGoForward() const |
| { |
| Q_D(const QWebEngineHistory); |
| return d->page->webContents()->canGoToOffset(1); |
| } |
| |
| void QWebEngineHistory::back() |
| { |
| Q_D(const QWebEngineHistory); |
| d->page->webContents()->navigateToOffset(-1); |
| } |
| |
| void QWebEngineHistory::forward() |
| { |
| Q_D(const QWebEngineHistory); |
| d->page->webContents()->navigateToOffset(1); |
| } |
| |
| void QWebEngineHistory::goToItem(const QWebEngineHistoryItem &item) |
| { |
| Q_D(const QWebEngineHistory); |
| Q_ASSERT(item.d->page == d->page); |
| d->page->webContents()->navigateToIndex(item.d->index); |
| } |
| |
| QWebEngineHistoryItem QWebEngineHistory::backItem() const |
| { |
| return itemAt(currentItemIndex() - 1); |
| } |
| |
| QWebEngineHistoryItem QWebEngineHistory::currentItem() const |
| { |
| return itemAt(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->page->webContents()->currentNavigationEntryIndex(); |
| } |
| |
| int QWebEngineHistory::count() const |
| { |
| Q_D(const QWebEngineHistory); |
| if (!d->page->webContents()->isInitialized()) |
| return 0; |
| return d->page->webContents()->navigationEntryCount(); |
| } |
| |
| QDataStream& operator<<(QDataStream& stream, const QWebEngineHistory& history) |
| { |
| QtWebEngineCore::WebContentsAdapter *adapter = history.d_func()->page->webContents(); |
| if (!adapter->isInitialized()) |
| adapter->loadDefault(); |
| adapter->serializeNavigationHistory(stream); |
| return stream; |
| } |
| |
| QDataStream& operator>>(QDataStream& stream, QWebEngineHistory& history) |
| { |
| history.d_func()->page->recreateFromSerializedHistory(stream); |
| return stream; |
| } |
| |
| QT_END_NAMESPACE |