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/*
* Copyright (C) 2010, 2011 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.
*/
#ifndef EditorState_h
#define EditorState_h
#include "ArgumentCoders.h"
#include <WebCore/IntRect.h>
#include <wtf/text/WTFString.h>
#if PLATFORM(IOS)
#include <WebCore/SelectionRect.h>
#endif
namespace WebKit {
enum TypingAttributes {
AttributeNone = 0,
AttributeBold = 1,
AttributeItalics = 2,
AttributeUnderline = 4,
AttributeStrikeThrough = 8
};
struct EditorState {
bool shouldIgnoreCompositionSelectionChange { false };
bool selectionIsNone { true }; // This will be false when there is a caret selection.
bool selectionIsRange { false };
bool isContentEditable { false };
bool isContentRichlyEditable { false };
bool isInPasswordField { false };
bool isInPlugin { false };
bool hasComposition { false };
bool isMissingPostLayoutData { false };
#if PLATFORM(IOS)
WebCore::IntRect firstMarkedRect;
WebCore::IntRect lastMarkedRect;
String markedText;
#endif
#if PLATFORM(QT)
// The anchor, cursor represent either the selection or composition, depending
// whether a composition exists or not.
unsigned cursorPosition { 0 };
unsigned anchorPosition { 0 };
WebCore::IntRect cursorRect;
WebCore::IntRect editorRect;
WebCore::IntRect compositionRect;
uint64_t inputMethodHints { 0 };
WTF::String selectedText;
WTF::String surroundingText;
#endif
#if PLATFORM(IOS) || PLATFORM(GTK) || PLATFORM(MAC)
struct PostLayoutData {
#if PLATFORM(IOS) || PLATFORM(GTK)
uint32_t typingAttributes { AttributeNone };
WebCore::IntRect caretRectAtStart;
#endif
#if PLATFORM(IOS) || PLATFORM(MAC)
WebCore::IntRect selectionClipRect;
uint64_t selectedTextLength { 0 };
#endif
#if PLATFORM(IOS)
WebCore::IntRect caretRectAtEnd;
Vector<WebCore::SelectionRect> selectionRects;
String wordAtSelection;
UChar32 characterAfterSelection { 0 };
UChar32 characterBeforeSelection { 0 };
UChar32 twoCharacterBeforeSelection { 0 };
bool isReplaceAllowed { false };
bool hasContent { false };
#endif
#if PLATFORM(MAC)
uint64_t candidateRequestStartPosition { 0 };
String paragraphContextForCandidateRequest;
String stringForCandidateRequest;
#endif
void encode(IPC::ArgumentEncoder&) const;
static bool decode(IPC::ArgumentDecoder&, PostLayoutData&);
};
const PostLayoutData& postLayoutData() const;
PostLayoutData& postLayoutData();
#endif // PLATFORM(IOS) || PLATFORM(GTK) || PLATFORM(MAC)
void encode(IPC::ArgumentEncoder&) const;
static bool decode(IPC::ArgumentDecoder&, EditorState&);
#if PLATFORM(IOS) || PLATFORM(GTK) || PLATFORM(MAC)
private:
PostLayoutData m_postLayoutData;
#endif
};
#if PLATFORM(IOS) || PLATFORM(GTK) || PLATFORM(MAC)
inline auto EditorState::postLayoutData() -> PostLayoutData&
{
ASSERT_WITH_MESSAGE(!isMissingPostLayoutData, "Attempt to access post layout data before receiving it");
return m_postLayoutData;
}
inline auto EditorState::postLayoutData() const -> const PostLayoutData&
{
ASSERT_WITH_MESSAGE(!isMissingPostLayoutData, "Attempt to access post layout data before receiving it");
return m_postLayoutData;
}
#endif
}
#endif // EditorState_h
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