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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_BTM_BTM_STATE_H_
#define CONTENT_BROWSER_BTM_BTM_STATE_H_
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "content/browser/btm/btm_utils.h"
#include "content/common/content_export.h"
namespace content {
class BtmStorage;
// A boolean value that gets cleared when moved.
class DirtyBit {
public:
explicit DirtyBit(bool value = false) : value_(value) {}
DirtyBit(DirtyBit&& old) { *this = std::move(old); }
DirtyBit& operator=(DirtyBit&& old) {
value_ = std::exchange(old.value_, false);
return *this;
}
explicit operator bool() const { return value_; }
DirtyBit& operator|=(bool value) {
value_ |= value;
return *this;
}
DirtyBit& operator=(bool value) {
value_ = value;
return *this;
}
private:
bool value_;
};
// Not to be confused with state stored by sites (e.g. cookies, local storage),
// BtmState represents the state recorded by BtmService itself.
class CONTENT_EXPORT BtmState {
public:
BtmState(BtmStorage* storage, std::string site);
// For loaded BtmState.
BtmState(BtmStorage* storage, std::string site, const StateValue& state);
BtmState(BtmState&&);
BtmState& operator=(BtmState&&);
// Flushes changes to storage_.
~BtmState();
const std::string& site() const { return site_; }
// True iff this BtmState was loaded from BtmStorage (as opposed to being
// default-initialized for a new site).
bool was_loaded() const { return was_loaded_; }
TimestampRange site_storage_times() const {
return state_.site_storage_times;
}
TimestampRange user_activation_times() const {
return state_.user_activation_times;
}
TimestampRange stateful_bounce_times() const {
return state_.stateful_bounce_times;
}
TimestampRange bounce_times() const { return state_.bounce_times; }
TimestampRange web_authn_assertion_times() const {
return state_.web_authn_assertion_times;
}
void update_site_storage_time(base::Time time);
void update_user_activation_time(base::Time time);
void update_stateful_bounce_time(base::Time time);
void update_bounce_time(base::Time time);
void update_web_authn_assertion_time(base::Time time);
StateValue ToStateValue() const { return state_; }
private:
raw_ptr<BtmStorage, AcrossTasksDanglingUntriaged> storage_;
std::string site_;
bool was_loaded_;
DirtyBit dirty_;
StateValue state_;
};
} // namespace content
#endif // CONTENT_BROWSER_BTM_BTM_STATE_H_
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