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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_SHARED_STORAGE_SHARED_STORAGE_BUDGET_CHARGER_H_
#define CONTENT_BROWSER_SHARED_STORAGE_SHARED_STORAGE_BUDGET_CHARGER_H_
#include "content/common/content_export.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
namespace content {
// Class responsible for observing top navigations initiated from fenced frames
// originated (directly or indirectly) from shared storage url selection. In
// that case, we will charge the privacy budget to the shared storage origin.
// This class is owned by the `WebContents` and its lifetime is bound to
// lifetime of the `WebContents`.
class CONTENT_EXPORT SharedStorageBudgetCharger
: public WebContentsObserver,
public WebContentsUserData<SharedStorageBudgetCharger> {
public:
explicit SharedStorageBudgetCharger(WebContents* web_contents);
SharedStorageBudgetCharger(const SharedStorageBudgetCharger& other) = delete;
SharedStorageBudgetCharger& operator=(
const SharedStorageBudgetCharger& other) = delete;
SharedStorageBudgetCharger(SharedStorageBudgetCharger&& other) = delete;
SharedStorageBudgetCharger& operator=(SharedStorageBudgetCharger&& other) =
delete;
~SharedStorageBudgetCharger() override;
private:
friend class WebContentsUserData<SharedStorageBudgetCharger>;
// WebContentsObserver:
void DidStartNavigation(NavigationHandle* navigation_handle) override;
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
} // namespace content
#endif // CONTENT_BROWSER_SHARED_STORAGE_SHARED_STORAGE_BUDGET_CHARGER_H_
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