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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Copyright (c) 2012 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 CONTENT_SETTINGS_OBSERVER_QT_H
#define CONTENT_SETTINGS_OBSERVER_QT_H
#include "base/containers/flat_map.h"
#include "content/public/renderer/render_frame_observer.h"
#include "content/public/renderer/render_frame_observer_tracker.h"
#include "third_party/blink/public/platform/web_content_settings_client.h"
#include "url/gurl.h"
namespace QtWebEngineCore {
// Handles blocking content per content settings for each RenderFrame.
class ContentSettingsObserverQt
: public content::RenderFrameObserver
, public content::RenderFrameObserverTracker<ContentSettingsObserverQt>
, public blink::WebContentSettingsClient
{
public:
ContentSettingsObserverQt(content::RenderFrame *render_frame);
~ContentSettingsObserverQt() override;
// blink::WebContentSettingsClient:
void AllowStorageAccess(StorageType storage_type,
base::OnceCallback<void(bool)> callback) override;
bool AllowStorageAccessSync(StorageType storage_type) override;
private:
// RenderFrameObserver implementation:
bool OnMessageReceived(const IPC::Message &message) override;
void DidCommitProvisionalLoad(ui::PageTransition transition) override;
void OnDestruct() override;
// Message handlers.
void OnRequestStorageAccessAsyncResponse(int request_id, bool allowed);
// Clears m_cachedStoragePermissions
void ClearBlockedContentSettings();
// Caches the result of AllowStorage.
using StoragePermissionsKey = std::pair<GURL, int>;
base::flat_map<StoragePermissionsKey, bool> m_cachedStoragePermissions;
int m_currentRequestId;
base::flat_map<int, base::OnceCallback<void(bool)>> m_permissionRequests;
};
} // namespace QtWebEngineCore
#endif // CONTENT_SETTINGS_OBSERVER_QT_H
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