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// Copyright 2015 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 THIRD_PARTY_BLINK_RENDERER_CORE_EVENTS_DRAG_EVENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_EVENTS_DRAG_EVENT_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/events/mouse_event.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
namespace blink {
class DataTransfer;
class DragEventInit;
class CORE_EXPORT DragEvent final : public MouseEvent {
DEFINE_WRAPPERTYPEINFO();
public:
static DragEvent* Create() { return MakeGarbageCollected<DragEvent>(); }
static DragEvent* Create(const AtomicString& type,
const DragEventInit* initializer,
base::TimeTicks platform_time_stamp,
SyntheticEventType synthetic_event_type) {
return MakeGarbageCollected<DragEvent>(
type, initializer, platform_time_stamp, synthetic_event_type);
}
static DragEvent* Create(const AtomicString& type,
const DragEventInit* initializer) {
return MakeGarbageCollected<DragEvent>(
type, initializer, base::TimeTicks::Now(), kRealOrIndistinguishable);
}
DragEvent();
DragEvent(const AtomicString& type,
const DragEventInit*,
base::TimeTicks platform_time_stamp,
SyntheticEventType);
DataTransfer* getDataTransfer() const override {
return IsDragEvent() ? data_transfer_.Get() : nullptr;
}
bool IsDragEvent() const override;
bool IsMouseEvent() const override;
DispatchEventResult DispatchEvent(EventDispatcher&) override;
void Trace(Visitor*) override;
private:
Member<DataTransfer> data_transfer_;
};
template <>
struct DowncastTraits<DragEvent> {
static bool AllowFrom(const Event& event) { return event.IsDragEvent(); }
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_EVENTS_DRAG_EVENT_H_
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