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/*
* Copyright (C) 2010-2020 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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.
*/
#pragma once
#include "ArgumentCoders.h"
#include "IdentifierTypes.h"
#include <WebCore/Color.h>
#include <WebCore/ElementContext.h>
#include <WebCore/FontAttributes.h>
#include <WebCore/IntRect.h>
#include <WebCore/WritingDirection.h>
#include <wtf/text/WTFString.h>
#if PLATFORM(IOS_FAMILY)
#include <WebCore/SelectionGeometry.h>
#endif
#if USE(DICTATION_ALTERNATIVES)
#include <WebCore/DictationContext.h>
#endif
namespace WTF {
class TextStream;
};
namespace WebKit {
enum class TypingAttribute : uint8_t {
Bold = 1 << 0,
Italics = 1 << 1,
Underline = 1 << 2,
StrikeThrough = 1 << 3,
};
enum class TextAlignment : uint8_t {
Natural,
Left,
Right,
Center,
Justified,
};
enum class ListType : uint8_t {
None,
OrderedList,
UnorderedList
};
struct EditorState {
EditorStateIdentifier identifier;
bool shouldIgnoreSelectionChanges { false };
bool selectionIsNone { true }; // This will be false when there is a caret selection.
bool selectionIsRange { false };
bool selectionIsRangeInsideImageOverlay { false };
bool selectionIsRangeInAutoFilledAndViewableField { false };
bool isContentEditable { false };
bool isContentRichlyEditable { false };
bool isInPasswordField { false };
bool isInPlugin { false };
bool hasComposition { false };
bool triggeredByAccessibilitySelectionChange { false };
#if PLATFORM(MAC)
bool canEnableAutomaticSpellingCorrection { true };
#endif
struct PostLayoutData {
OptionSet<TypingAttribute> typingAttributes;
#if PLATFORM(COCOA)
uint64_t selectedTextLength { 0 };
TextAlignment textAlignment { TextAlignment::Natural };
WebCore::Color textColor { WebCore::Color::black }; // FIXME: Maybe this should be on VisualData?
ListType enclosingListType { ListType::None };
WebCore::WritingDirection baseWritingDirection { WebCore::WritingDirection::Natural };
bool editableRootIsTransparentOrFullyClipped { false };
#endif
#if PLATFORM(IOS_FAMILY)
String markedText;
String wordAtSelection;
UChar32 characterAfterSelection { 0 };
UChar32 characterBeforeSelection { 0 };
UChar32 twoCharacterBeforeSelection { 0 };
#if USE(DICTATION_ALTERNATIVES)
Vector<WebCore::DictationContext> dictationContextsForSelection;
#endif
bool isReplaceAllowed { false };
bool hasContent { false };
bool isStableStateUpdate { false };
bool insideFixedPosition { false };
bool hasPlainText { false };
WebCore::Color caretColor; // FIXME: Maybe this should be on VisualData?
bool atStartOfSentence { false };
bool selectionStartIsAtParagraphBoundary { false };
bool selectionEndIsAtParagraphBoundary { false };
bool hasGrammarDocumentMarkers { false };
std::optional<WebCore::ElementContext> selectedEditableImage;
#endif // PLATFORM(IOS_FAMILY)
#if PLATFORM(MAC)
WebCore::IntRect selectionBoundingRect; // FIXME: Maybe this should be on VisualData?
uint64_t candidateRequestStartPosition { 0 };
String paragraphContextForCandidateRequest;
String stringForCandidateRequest;
#endif
#if PLATFORM(GTK) || PLATFORM(WPE)
String surroundingContext;
uint64_t surroundingContextCursorPosition { 0 };
uint64_t surroundingContextSelectionPosition { 0 };
#endif
std::optional<WebCore::FontAttributes> fontAttributes;
bool canCut { false };
bool canCopy { false };
bool canPaste { false };
};
bool hasPostLayoutData() const { return !!postLayoutData; }
// Visual data is only updated in sync with rendering updates.
struct VisualData {
#if PLATFORM(IOS_FAMILY) || PLATFORM(GTK) || PLATFORM(WPE)
WebCore::IntRect caretRectAtStart;
#endif
#if PLATFORM(IOS_FAMILY)
WebCore::IntRect selectionClipRect;
WebCore::IntRect caretRectAtEnd;
Vector<WebCore::SelectionGeometry> selectionGeometries;
Vector<WebCore::SelectionGeometry> markedTextRects;
WebCore::IntRect markedTextCaretRectAtStart;
WebCore::IntRect markedTextCaretRectAtEnd;
#endif
};
bool hasVisualData() const { return !!visualData; }
void encode(IPC::Encoder&) const;
static WARN_UNUSED_RETURN bool decode(IPC::Decoder&, EditorState&);
bool hasPostLayoutAndVisualData() const { return hasPostLayoutData() && hasVisualData(); }
std::optional<PostLayoutData> postLayoutData;
std::optional<VisualData> visualData;
void clipOwnedRectExtentsToNumericLimits();
private:
friend TextStream& operator<<(TextStream&, const EditorState&);
};
WTF::TextStream& operator<<(WTF::TextStream&, const EditorState&);
} // namespace WebKit
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