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/*
* Copyright (c) 2011 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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 TextChecking_h
#define TextChecking_h
#include "platform/heap/Handle.h"
#include "platform/text/TextDecoration.h"
#include "wtf/RefCounted.h"
#include "wtf/Vector.h"
#include "wtf/text/WTFString.h"
namespace blink {
enum TextCheckingType {
TextCheckingTypeNone = 0,
TextCheckingTypeSpelling = 1 << 1,
TextCheckingTypeGrammar = 1 << 2,
};
typedef unsigned TextCheckingTypeMask;
enum TextCheckingProcessType {
TextCheckingProcessBatch,
TextCheckingProcessIncremental
};
struct GrammarDetail {
int location;
int length;
Vector<String> guesses;
String userDescription;
};
struct TextCheckingResult {
TextDecorationType decoration;
int location;
int length;
Vector<GrammarDetail> details;
String replacement;
uint32_t hash;
};
const int unrequestedTextCheckingSequence = -1;
class TextCheckingRequestData {
friend class SpellCheckRequest; // For access to m_sequence.
public:
TextCheckingRequestData()
: m_sequence(unrequestedTextCheckingSequence)
, m_mask(TextCheckingTypeNone)
, m_processType(TextCheckingProcessIncremental)
{ }
TextCheckingRequestData(int sequence, const String& text, TextCheckingTypeMask mask, TextCheckingProcessType processType, const Vector<uint32_t>& markers, const Vector<unsigned>& offsets)
: m_sequence(sequence)
, m_text(text)
, m_mask(mask)
, m_processType(processType)
, m_markers(markers)
, m_offsets(offsets)
{ }
int sequence() const { return m_sequence; }
String text() const { return m_text; }
TextCheckingTypeMask mask() const { return m_mask; }
bool maskContains(TextCheckingType type) const { return m_mask & type; }
TextCheckingProcessType processType() const { return m_processType; }
const Vector<uint32_t>& markers() const { return m_markers; }
const Vector<unsigned>& offsets() const { return m_offsets; }
private:
int m_sequence;
String m_text;
TextCheckingTypeMask m_mask;
TextCheckingProcessType m_processType;
Vector<uint32_t> m_markers;
Vector<unsigned> m_offsets;
};
class TextCheckingRequest : public RefCountedWillBeGarbageCollectedFinalized<TextCheckingRequest> {
public:
virtual ~TextCheckingRequest() { }
virtual void trace(Visitor*) { }
virtual const TextCheckingRequestData& data() const = 0;
virtual void didSucceed(const Vector<TextCheckingResult>&) = 0;
virtual void didCancel() = 0;
};
}
#endif // TextChecking_h
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