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/*
* Copyright (C) 2004 Apple Computer, 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.
*/
// Copyright 2017 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 InlineBoxPosition_h
#define InlineBoxPosition_h
#include "core/CoreExport.h"
#include "core/editing/Forward.h"
#include "platform/text/TextDirection.h"
#include "platform/wtf/Allocator.h"
#include "platform/wtf/Assertions.h"
namespace blink {
class InlineBox;
struct InlineBoxPosition {
STACK_ALLOCATED();
const InlineBox* const inline_box;
const int offset_in_box;
InlineBoxPosition() : inline_box(nullptr), offset_in_box(0) {}
InlineBoxPosition(InlineBox* inline_box, int offset_in_box)
: inline_box(inline_box), offset_in_box(offset_in_box) {
DCHECK(inline_box);
DCHECK_GE(offset_in_box, 0);
}
bool operator==(const InlineBoxPosition& other) const {
return inline_box == other.inline_box &&
offset_in_box == other.offset_in_box;
}
bool operator!=(const InlineBoxPosition& other) const {
return !operator==(other);
}
};
CORE_EXPORT InlineBoxPosition
ComputeInlineBoxPosition(const PositionWithAffinity&);
CORE_EXPORT InlineBoxPosition
ComputeInlineBoxPosition(const PositionWithAffinity&,
TextDirection primary_direction);
CORE_EXPORT InlineBoxPosition
ComputeInlineBoxPosition(const PositionInFlatTreeWithAffinity&);
CORE_EXPORT InlineBoxPosition
ComputeInlineBoxPosition(const PositionInFlatTreeWithAffinity&,
TextDirection primary_direction);
CORE_EXPORT InlineBoxPosition ComputeInlineBoxPosition(const VisiblePosition&);
PositionWithAffinity ComputeInlineAdjustedPosition(const PositionWithAffinity&);
PositionInFlatTreeWithAffinity ComputeInlineAdjustedPosition(
const PositionInFlatTreeWithAffinity&);
PositionWithAffinity ComputeInlineAdjustedPosition(const VisiblePosition&);
InlineBoxPosition ComputeInlineBoxPositionForInlineAdjustedPosition(
const PositionWithAffinity&);
InlineBoxPosition ComputeInlineBoxPositionForInlineAdjustedPosition(
const PositionWithAffinity&,
TextDirection primary_direction);
InlineBoxPosition ComputeInlineBoxPositionForInlineAdjustedPosition(
const PositionInFlatTreeWithAffinity&);
InlineBoxPosition ComputeInlineBoxPositionForInlineAdjustedPosition(
const PositionInFlatTreeWithAffinity&,
TextDirection primary_direction);
// The print for |InlineBoxPosition| is available only for testing
// in "webkit_unit_tests", and implemented in
// "core/editing/InlineBoxPositionTest.cpp".
std::ostream& operator<<(std::ostream&, const InlineBoxPosition&);
} // namespace blink
#endif // InlineBoxPosition_h