ui/gfx/selection_model.cc

   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
  10 namespace gfx {
  11
  12 SelectionModel::SelectionModel()
  13   : selection_(0), caret_affinity_(CURSOR_BACKWARD) {}
  14
  15 SelectionModel::SelectionModel(size_t position, LogicalCursorDirection affinity)
  16   : selection_(position), caret_affinity_(affinity) {}
  17
  18 SelectionModel::SelectionModel(ui::Range selection,
  19                                LogicalCursorDirection affinity)
  20   : selection_(selection), caret_affinity_(affinity) {}
  21
  22 bool SelectionModel::operator==(const SelectionModel& sel) const {
  23   return selection_ == sel.selection() &&
  24          caret_affinity_ == sel.caret_affinity();
  25 }
  26
  27 std::string SelectionModel::ToString() const {
  28   std::string str = "{";
  29   if (selection().is_empty())
  30     base::StringAppendF(&str, "%" PRIuS, caret_pos());
  31   else
  32     str += selection().ToString();
  33   const bool backward = caret_affinity() == CURSOR_BACKWARD;
  34   return str + (backward ? ",BACKWARD}" : ",FORWARD}");
  35 }
  36
  37 }  // namespace gfx