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// Copyright 2016 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_EDITING_COMMANDS_DRAG_AND_DROP_COMMAND_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_COMMANDS_DRAG_AND_DROP_COMMAND_H_
#include "third_party/blink/renderer/core/editing/commands/composite_edit_command.h"
namespace blink {
// |DragAndDropCommand| is a dummy command. It doesn't do anything by itself,
// but will act as a catcher for the following |DeleteByDrag| and
// |InsertFromDrop| commands, and combine them into a single undo entry.
// In the future when necessary, this mechanism can be generalized into a common
// command wrapper to achieve undo group.
class DragAndDropCommand final : public CompositeEditCommand {
public:
static DragAndDropCommand* Create(Document& document) {
return MakeGarbageCollected<DragAndDropCommand>(document);
}
explicit DragAndDropCommand(Document&);
bool IsCommandGroupWrapper() const override;
bool IsDragAndDropCommand() const override;
private:
void DoApply(EditingState*) override;
InputEvent::InputType GetInputType() const override;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_COMMANDS_DRAG_AND_DROP_COMMAND_H_
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