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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 InputEvent_h
#define InputEvent_h
#include "core/clipboard/DataTransfer.h"
#include "core/dom/Range.h"
#include "core/dom/StaticRange.h"
#include "core/events/InputEventInit.h"
#include "core/events/UIEvent.h"
namespace blink {
class InputEvent final : public UIEvent {
DEFINE_WRAPPERTYPEINFO();
public:
static InputEvent* create(const AtomicString& type,
const InputEventInit& initializer) {
return new InputEvent(type, initializer);
}
// https://w3c.github.io/input-events/#h-interface-inputevent-attributes
enum class InputType {
None,
// Insertion.
InsertText,
InsertLineBreak,
InsertParagraph,
InsertOrderedList,
InsertUnorderedList,
InsertHorizontalRule,
InsertFromPaste,
InsertFromDrop,
InsertReplacementText,
// Deletion.
DeleteComposedCharacterForward,
DeleteComposedCharacterBackward,
DeleteWordBackward,
DeleteWordForward,
DeleteLineBackward,
DeleteLineForward,
DeleteContentBackward,
DeleteContentForward,
DeleteByCut,
DeleteByDrag,
// History.
HistoryUndo,
HistoryRedo,
// Formatting.
FormatBold,
FormatItalic,
FormatUnderline,
FormatStrikeThrough,
FormatSuperscript,
FormatSubscript,
FormatJustifyCenter,
FormatJustifyFull,
FormatJustifyRight,
FormatJustifyLeft,
FormatIndent,
FormatOutdent,
FormatRemove,
FormatSetBlockTextDirection,
// Add new input types immediately above this line.
NumberOfInputTypes,
};
enum EventCancelable : bool {
NotCancelable = false,
IsCancelable = true,
};
enum EventIsComposing : bool {
NotComposing = false,
IsComposing = true,
};
static InputEvent* createBeforeInput(InputType,
const String& data,
EventCancelable,
EventIsComposing,
const RangeVector*);
static InputEvent* createBeforeInput(InputType,
DataTransfer*,
EventCancelable,
EventIsComposing,
const RangeVector*);
static InputEvent* createInput(InputType,
const String& data,
EventIsComposing,
const RangeVector*);
String inputType() const;
const String& data() const { return m_data; }
DataTransfer* dataTransfer() const { return m_dataTransfer.get(); }
bool isComposing() const { return m_isComposing; }
// Returns a copy of target ranges during event dispatch, and returns an empty
// vector after dispatch.
StaticRangeVector getTargetRanges() const;
bool isInputEvent() const override;
EventDispatchMediator* createMediator() override;
DECLARE_VIRTUAL_TRACE();
private:
friend class InputEventDispatchMediator;
InputEvent(const AtomicString&, const InputEventInit&);
InputType m_inputType;
String m_data;
Member<DataTransfer> m_dataTransfer;
bool m_isComposing;
// We have to stored |Range| internally and only expose |StaticRange|, please
// see comments in |InputEventDispatchMediator::dispatchEvent()|.
RangeVector m_ranges;
};
class InputEventDispatchMediator final : public EventDispatchMediator {
public:
static InputEventDispatchMediator* create(InputEvent*);
private:
explicit InputEventDispatchMediator(InputEvent*);
InputEvent& event() const;
DispatchEventResult dispatchEvent(EventDispatcher&) const override;
};
DEFINE_EVENT_TYPE_CASTS(InputEvent);
} // namespace blink
#endif // InputEvent_h
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