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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 THIRD_PARTY_BLINK_RENDERER_CORE_DOM_INVOKER_DATA_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_INVOKER_DATA_H_
#include "base/check_op.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/dom/element_rare_data_field.h"
#include "third_party/blink/renderer/core/html/closewatcher/close_watcher.h"
#include "third_party/blink/renderer/core/html/forms/html_form_control_element.h"
#include "third_party/blink/renderer/core/html_element_type_helpers.h"
#include "third_party/blink/renderer/core/inspector/console_message.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
namespace blink {
// The InvokerData class stores info for invokers, which includes:
// - elements with the commandfor attribute
// - elements with the popovertarget attribute
// - elements with the interesttarget attribute
class InvokerData final : public GarbageCollected<InvokerData>,
public ElementRareDataField {
public:
InvokerData() = default;
InvokerData(const InvokerData&) = delete;
InvokerData& operator=(const InvokerData&) = delete;
HTMLElement* GetInvokedPopover() const { return invoked_popover_; }
void SetInvokedPopover(HTMLElement* popover) {
CHECK(!popover || popover->popoverOpen());
invoked_popover_ = popover;
}
Element::InterestState GetInterestState() const { return interest_state_; }
void SetInterestState(Element::InterestState new_state) {
interest_state_ = new_state;
}
Element* ActiveInterestTarget() const { return active_interest_target_; }
void SetActiveInterestTarget(Element* new_target) {
CHECK(new_target == active_interest_target_ ||
!new_target != !active_interest_target_)
<< "Active target must be cleared before being changed";
active_interest_target_ = new_target;
}
bool HasInterestGainedTask() const {
return interest_gained_task_.IsActive();
}
void CancelInterestGainedTask() { interest_gained_task_.Cancel(); }
void SetInterestGainedTask(TaskHandle&& task) {
DCHECK(RuntimeEnabledFeatures::
HTMLInterestTargetAttributeEnabledByRuntimeFlag());
DCHECK(!interest_gained_task_.IsActive());
interest_gained_task_ = std::move(task);
}
bool HasInterestLostTask() const { return interest_lost_task_.IsActive(); }
void CancelInterestLostTask() { interest_lost_task_.Cancel(); }
void SetInterestLostTask(TaskHandle&& task) {
DCHECK(RuntimeEnabledFeatures::
HTMLInterestTargetAttributeEnabledByRuntimeFlag());
DCHECK(!interest_lost_task_.IsActive());
interest_lost_task_ = std::move(task);
}
void Trace(Visitor* visitor) const override {
visitor->Trace(invoked_popover_);
visitor->Trace(active_interest_target_);
ElementRareDataField::Trace(visitor);
}
private:
TaskHandle interest_gained_task_;
TaskHandle interest_lost_task_;
Element::InterestState interest_state_{Element::InterestState::kNoInterest};
Member<HTMLElement> invoked_popover_;
Member<Element> active_interest_target_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_DOM_INVOKER_DATA_H_
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