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ui/base/models/list_selection_model.cc

Index: ui/base/models/list_selection_model.cc
diff --git a/ui/base/models/list_selection_model.cc b/ui/base/models/list_selection_model.cc
deleted file mode 100644
index 5b9fc86db5fc6ec5254b14a1668af9c380dfdb6a..0000000000000000000000000000000000000000
--- a/ui/base/models/list_selection_model.cc
+++ /dev/null
@@ -1,153 +0,0 @@
-// Copyright (c) 2012 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.
-
-#include "ui/base/models/list_selection_model.h"
-
-#include <algorithm>
-#include <valarray>
-
-#include "base/logging.h"
-
-namespace ui {
-
-// static
-const int ListSelectionModel::kUnselectedIndex = -1;
-
-static void IncrementFromImpl(int index, int* value) {
-  if (*value >= index)
-    (*value)++;
-}
-
-static bool DecrementFromImpl(int index, int* value) {
-  if (*value == index) {
-    *value = ListSelectionModel::kUnselectedIndex;
-    return true;
-  }
-  if (*value > index)
-    (*value)--;
-  return false;
-}
-
-ListSelectionModel::ListSelectionModel()
-    : active_(kUnselectedIndex),
-      anchor_(kUnselectedIndex) {
-}
-
-ListSelectionModel::~ListSelectionModel() {
-}
-
-void ListSelectionModel::IncrementFrom(int index) {
-  // Shift the selection to account for the newly inserted tab.
-  for (SelectedIndices::iterator i = selected_indices_.begin();
-       i != selected_indices_.end(); ++i) {
-    IncrementFromImpl(index, &(*i));
-  }
-  IncrementFromImpl(index, &anchor_);
-  IncrementFromImpl(index, &active_);
-}
-
-void ListSelectionModel::DecrementFrom(int index) {
-  for (SelectedIndices::iterator i = selected_indices_.begin();
-       i != selected_indices_.end(); ) {
-    if (DecrementFromImpl(index, &(*i)))
-      i = selected_indices_.erase(i);
-    else
-      ++i;
-  }
-  DecrementFromImpl(index, &anchor_);
-  DecrementFromImpl(index, &active_);
-}
-
-void ListSelectionModel::SetSelectedIndex(int index) {
-  anchor_ = active_ = index;
-  selected_indices_.clear();
-  if (index != kUnselectedIndex)
-    selected_indices_.push_back(index);
-}
-
-bool ListSelectionModel::IsSelected(int index) const {
-  return std::find(selected_indices_.begin(), selected_indices_.end(), index) !=
-      selected_indices_.end();
-}
-
-void ListSelectionModel::AddIndexToSelection(int index) {
-  if (!IsSelected(index)) {
-    selected_indices_.push_back(index);
-    std::sort(selected_indices_.begin(), selected_indices_.end());
-  }
-}
-
-void ListSelectionModel::RemoveIndexFromSelection(int index) {
-  SelectedIndices::iterator i = std::find(selected_indices_.begin(),
-                                          selected_indices_.end(), index);
-  if (i != selected_indices_.end())
-    selected_indices_.erase(i);
-}
-
-void ListSelectionModel::SetSelectionFromAnchorTo(int index) {
-  if (anchor_ == kUnselectedIndex) {
-    SetSelectedIndex(index);
-  } else {
-    int delta = std::abs(index - anchor_);
-    SelectedIndices new_selection(delta + 1, 0);
-    for (int i = 0, min = std::min(index, anchor_); i <= delta; ++i)
-      new_selection[i] = i + min;
-    selected_indices_.swap(new_selection);
-    active_ = index;
-  }
-}
-
-void ListSelectionModel::AddSelectionFromAnchorTo(int index) {
-  if (anchor_ == kUnselectedIndex) {
-    SetSelectedIndex(index);
-  } else {
-    for (int i = std::min(index, anchor_), end = std::max(index, anchor_);
-         i <= end; ++i) {
-      if (!IsSelected(i))
-        selected_indices_.push_back(i);
-    }
-    std::sort(selected_indices_.begin(), selected_indices_.end());
-    active_ = index;
-  }
-}
-
-void ListSelectionModel::Move(int from, int to) {
-  DCHECK_NE(to, from);
-  bool was_anchor = from == anchor_;
-  bool was_active = from == active_;
-  bool was_selected = IsSelected(from);
-  if (to < from) {
-    IncrementFrom(to);
-    DecrementFrom(from + 1);
-  } else {
-    DecrementFrom(from);
-    IncrementFrom(to);
-  }
-  if (was_active)
-    active_ = to;
-  if (was_anchor)
-    anchor_ = to;
-  if (was_selected)
-    AddIndexToSelection(to);
-}
-
-void ListSelectionModel::Clear() {
-  anchor_ = active_ = kUnselectedIndex;
-  SelectedIndices empty_selection;
-  selected_indices_.swap(empty_selection);
-}
-
-void ListSelectionModel::Copy(const ListSelectionModel& source) {
-  selected_indices_ = source.selected_indices_;
-  active_ = source.active_;
-  anchor_ = source.anchor_;
-}
-
-bool ListSelectionModel::Equals(const ListSelectionModel& rhs) const {
-  return active_ == rhs.active() &&
-      anchor_ == rhs.anchor() &&
-      selected_indices() == rhs.selected_indices();
-}
-
-}  // namespace ui