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/*
* Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_COMMANDS_TYPING_COMMAND_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_COMMANDS_TYPING_COMMAND_H_
#include "third_party/blink/renderer/core/editing/commands/composite_edit_command.h"
#include "third_party/blink/renderer/core/editing/text_granularity.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
namespace blink {
class CORE_EXPORT TypingCommand final : public CompositeEditCommand {
public:
enum CommandType {
kDeleteSelection,
kDeleteKey,
kForwardDeleteKey,
kInsertText,
kInsertLineBreak,
kInsertParagraphSeparator,
kInsertParagraphSeparatorInQuotedContent
};
enum TextCompositionType {
kTextCompositionNone,
kTextCompositionUpdate,
kTextCompositionConfirm,
kTextCompositionCancel
};
enum Option {
kSelectInsertedText = 1 << 0,
kKillRing = 1 << 1,
kSmartDelete = 1 << 2
};
typedef unsigned Options;
static void DeleteSelection(Document&, Options = 0);
static void DeleteKeyPressed(Document&,
Options,
TextGranularity = TextGranularity::kCharacter);
static void ForwardDeleteKeyPressed(
Document&,
EditingState*,
Options = 0,
TextGranularity = TextGranularity::kCharacter);
static void InsertText(Document&,
const String&,
Options,
TextCompositionType = kTextCompositionNone,
const bool is_incremental_insertion = false);
static void InsertText(
Document&,
const String&,
const SelectionInDOMTree&,
Options,
EditingState*,
TextCompositionType = kTextCompositionNone,
const bool is_incremental_insertion = false,
InputEvent::InputType = InputEvent::InputType::kInsertText);
static bool InsertLineBreak(Document&);
static bool InsertParagraphSeparator(Document&);
static bool InsertParagraphSeparatorInQuotedContent(Document&);
static void CloseTyping(LocalFrame*);
static TypingCommand* LastTypingCommandIfStillOpenForTyping(LocalFrame*);
static void UpdateSelectionIfDifferentFromCurrentSelection(TypingCommand*,
LocalFrame*);
TypingCommand(Document&,
CommandType,
const String& text = "",
Options options = 0,
TextGranularity granularity = TextGranularity::kCharacter,
TextCompositionType = kTextCompositionNone);
void InsertTextRunWithoutNewlines(const String& text,
EditingState*);
void InsertLineBreak(EditingState*);
void InsertParagraphSeparatorInQuotedContent(EditingState*);
void InsertParagraphSeparator(EditingState*);
void DeleteKeyPressed(TextGranularity, bool kill_ring, EditingState*);
void ForwardDeleteKeyPressed(TextGranularity, bool kill_ring, EditingState*);
void DeleteSelection(bool smart_delete, EditingState*);
void SetCompositionType(TextCompositionType type) {
composition_type_ = type;
}
void AdjustSelectionAfterIncrementalInsertion(
LocalFrame*,
const wtf_size_t selection_start,
const wtf_size_t text_length,
EditingState*);
CommandType CommandTypeOfOpenCommand() const { return command_type_; }
TextCompositionType CompositionType() const { return composition_type_; }
// |TypingCommand| may contain multiple |InsertTextCommand|, should return
// |textDataForInputEvent()| of the last one.
String TextDataForInputEvent() const final;
private:
void SetSmartDelete(bool smart_delete) { smart_delete_ = smart_delete; }
bool IsOpenForMoreTyping() const { return open_for_more_typing_; }
void CloseTyping() { open_for_more_typing_ = false; }
void InsertTextInternal(const String& text,
bool select_inserted_text,
EditingState*);
void DoApply(EditingState*) override;
InputEvent::InputType GetInputType() const override;
bool IsTypingCommand() const override;
bool PreservesTypingStyle() const override { return preserves_typing_style_; }
void UpdatePreservesTypingStyle(CommandType);
void TypingAddedToOpenCommand(CommandType);
bool MakeEditableRootEmpty(EditingState*);
void UpdateCommandTypeOfOpenCommand(CommandType command_type) {
command_type_ = command_type;
}
bool IsIncrementalInsertion() const { return is_incremental_insertion_; }
void DeleteKeyPressedInternal(
const SelectionForUndoStep& selection_to_delete,
const SelectionForUndoStep& selection_after_undo,
bool kill_ring,
EditingState*);
void DeleteSelectionIfRange(const SelectionForUndoStep&, EditingState*);
void ForwardDeleteKeyPressedInternal(
const SelectionForUndoStep& selection_to_delete,
const SelectionForUndoStep& selection_after_undo,
bool kill_ring,
EditingState*);
CommandType command_type_;
String text_to_insert_;
bool open_for_more_typing_;
const bool select_inserted_text_;
bool smart_delete_;
const TextGranularity granularity_;
TextCompositionType composition_type_;
const bool kill_ring_;
bool preserves_typing_style_;
// Undoing a series of backward deletes will restore a selection around all of
// the characters that were deleted, but only if the typing command being
// undone was opened with a backward delete.
bool opened_by_backward_delete_;
bool is_incremental_insertion_;
wtf_size_t selection_start_;
InputEvent::InputType input_type_;
};
template <>
struct DowncastTraits<TypingCommand> {
static bool AllowFrom(const CompositeEditCommand& command) {
return command.IsTypingCommand();
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_COMMANDS_TYPING_COMMAND_H_
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