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Diffstat (limited to 'src/core/extensions/pdf_iframe_navigation_throttle_qt.h')
-rw-r--r-- | src/core/extensions/pdf_iframe_navigation_throttle_qt.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/core/extensions/pdf_iframe_navigation_throttle_qt.h b/src/core/extensions/pdf_iframe_navigation_throttle_qt.h new file mode 100644 index 000000000..37f5bf1d6 --- /dev/null +++ b/src/core/extensions/pdf_iframe_navigation_throttle_qt.h @@ -0,0 +1,82 @@ +/**************************************************************************** +** +** Copyright (C) 2021 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 +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// based on //chrome/browser/plugins/pdf_iframe_navigation_throttle.h +// Copyright 2017 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef PDF_IFRAME_NAVIGATION_THROTTLE_QT +#define PDF_IFRAME_NAVIGATION_THROTTLE_QT + +#include "content/public/browser/navigation_throttle.h" + +#include "base/memory/weak_ptr.h" + +namespace content { +class NavigationHandle; +struct WebPluginInfo; +} + +namespace extensions { + +// This class prevents automatical download of PDFs when they are embedded +// in subframes and plugins are disabled in API. +class PDFIFrameNavigationThrottleQt : public content::NavigationThrottle +{ +public: + static std::unique_ptr<content::NavigationThrottle> MaybeCreateThrottleFor(content::NavigationHandle *handle); + + explicit PDFIFrameNavigationThrottleQt(content::NavigationHandle *handle); + ~PDFIFrameNavigationThrottleQt() override; + + // content::NavigationThrottle + content::NavigationThrottle::ThrottleCheckResult WillProcessResponse() override; + const char *GetNameForLogging() override; + +private: + void OnPluginsLoaded(const std::vector<content::WebPluginInfo> &plugins); + void LoadPlaceholderHTML(); + + base::WeakPtrFactory<PDFIFrameNavigationThrottleQt> weak_factory_{this}; +}; + +} // namespace extensions + +#endif // PDF_IFRAME_NAVIGATION_THROTTLE_QT |