1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "ui/gfx/selection_model.h"
6
7#include "base/format_macros.h"
8#include "base/strings/stringprintf.h"
9
10namespace gfx {
11
12SelectionModel::SelectionModel()
13    : selection_(0),
14      caret_affinity_(CURSOR_BACKWARD) {}
15
16SelectionModel::SelectionModel(size_t position, LogicalCursorDirection affinity)
17    : selection_(position),
18      caret_affinity_(affinity) {}
19
20SelectionModel::SelectionModel(const Range& selection,
21                               LogicalCursorDirection affinity)
22    : selection_(selection),
23      caret_affinity_(affinity) {}
24
25bool SelectionModel::operator==(const SelectionModel& sel) const {
26  return selection_ == sel.selection() &&
27         caret_affinity_ == sel.caret_affinity();
28}
29
30std::string SelectionModel::ToString() const {
31  std::string str = "{";
32  if (selection().is_empty())
33    base::StringAppendF(&str, "%" PRIuS, caret_pos());
34  else
35    str += selection().ToString();
36  const bool backward = caret_affinity() == CURSOR_BACKWARD;
37  return str + (backward ? ",BACKWARD}" : ",FORWARD}");
38}
39
40}  // namespace gfx
41