bookmarks: Move recently_used_folders_combo_model* into c/b/ui/bookmarks/ directory.

chrome/browser/bookmarks/recently_used_folders_combo_model.cc

-// 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 "chrome/browser/bookmarks/recently_used_folders_combo_model.h"
-
-#include "chrome/browser/bookmarks/bookmark_utils.h"
-#include "content/public/browser/user_metrics.h"
-#include "grit/generated_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-
-namespace {
-
-// Max number of most recently used folders.
-const size_t kMaxMRUFolders = 5;
-
-}  // namespace
-
-struct RecentlyUsedFoldersComboModel::Item {
-  enum Type {
-    TYPE_NODE,
-    TYPE_SEPARATOR,
-    TYPE_CHOOSE_ANOTHER_FOLDER
-  };
-
-  Item(const BookmarkNode* node, Type type);
-  ~Item();
-
-  bool operator==(const Item& item) const;
-
-  const BookmarkNode* node;
-  Type type;
-};
-
-RecentlyUsedFoldersComboModel::Item::Item(const BookmarkNode* node,
-                                          Type type)
-    : node(node),
-      type(type) {
-}
-
-RecentlyUsedFoldersComboModel::Item::~Item() {}
-
-bool RecentlyUsedFoldersComboModel::Item::operator==(const Item& item) const {
-  return item.node == node && item.type == type;
-}
-
-RecentlyUsedFoldersComboModel::RecentlyUsedFoldersComboModel(
-    BookmarkModel* model,
-    const BookmarkNode* node)
-    : bookmark_model_(model),
-      node_parent_index_(0) {
-  // Use + 2 to account for bookmark bar and other node.
-  std::vector<const BookmarkNode*> nodes =
-      bookmark_utils::GetMostRecentlyModifiedFolders(model, kMaxMRUFolders + 2);
-
-  for (size_t i = 0; i < nodes.size(); ++i)
-    items_.push_back(Item(nodes[i], Item::TYPE_NODE));
-
-  // We special case the placement of these, so remove them from the list, then
-  // fix up the order.
-  RemoveNode(model->bookmark_bar_node());
-  RemoveNode(model->mobile_node());
-  RemoveNode(model->other_node());
-  RemoveNode(node->parent());
-
-  // Make the parent the first item, unless it's a permanent node, which is
-  // added below.
-  if (!model->is_permanent_node(node->parent()))
-    items_.insert(items_.begin(), Item(node->parent(), Item::TYPE_NODE));
-
-  // Make sure we only have kMaxMRUFolders in the first chunk.
-  if (items_.size() > kMaxMRUFolders)
-    items_.erase(items_.begin() + kMaxMRUFolders, items_.end());
-
-  // And put the bookmark bar and other nodes at the end of the list.
-  items_.push_back(Item(model->bookmark_bar_node(), Item::TYPE_NODE));
-  items_.push_back(Item(model->other_node(), Item::TYPE_NODE));
-  if (model->mobile_node()->IsVisible())
-    items_.push_back(Item(model->mobile_node(), Item::TYPE_NODE));
-#if defined(USE_AURA) || defined(TOOLKIT_GTK)
-  items_.push_back(Item(NULL, Item::TYPE_SEPARATOR));
-#endif
-  items_.push_back(Item(NULL, Item::TYPE_CHOOSE_ANOTHER_FOLDER));
-
-  std::vector<Item>::iterator it = std::find(items_.begin(),
-                                             items_.end(),
-                                             Item(node->parent(),
-                                                  Item::TYPE_NODE));
-  node_parent_index_ = static_cast<int>(it - items_.begin());
-}
-
-RecentlyUsedFoldersComboModel::~RecentlyUsedFoldersComboModel() {}
-
-int RecentlyUsedFoldersComboModel::GetItemCount() const {
-  return static_cast<int>(items_.size());
-}
-
-string16 RecentlyUsedFoldersComboModel::GetItemAt(int index) {
-  switch (items_[index].type) {
-    case Item::TYPE_NODE:
-      return items_[index].node->GetTitle();
-    case Item::TYPE_SEPARATOR:
-      // This function should not be called for separators.
-      NOTREACHED();
-      return string16();
-    case Item::TYPE_CHOOSE_ANOTHER_FOLDER:
-      return l10n_util::GetStringUTF16(
-          IDS_BOOKMARK_BUBBLE_CHOOSER_ANOTHER_FOLDER);
-  }
-  NOTREACHED();
-  return string16();
-}
-
-bool RecentlyUsedFoldersComboModel::IsItemSeparatorAt(int index) {
-  return items_[index].type == Item::TYPE_SEPARATOR;
-}
-
-int RecentlyUsedFoldersComboModel::GetDefaultIndex() const {
-  return node_parent_index_;
-}
-
-void RecentlyUsedFoldersComboModel::MaybeChangeParent(
-    const BookmarkNode* node,
-    int selected_index) {
-  if (items_[selected_index].type != Item::TYPE_NODE)
-    return;
-
-  const BookmarkNode* new_parent = GetNodeAt(selected_index);
-  if (new_parent != node->parent()) {
-    content::RecordAction(
-        content::UserMetricsAction("BookmarkBubble_ChangeParent"));
-    bookmark_model_->Move(node, new_parent, new_parent->child_count());
-  }
-}
-
-const BookmarkNode* RecentlyUsedFoldersComboModel::GetNodeAt(int index) {
-  if (index < 0 || index >= static_cast<int>(items_.size()))
-    return NULL;
-  return items_[index].node;
-}
-
-void RecentlyUsedFoldersComboModel::RemoveNode(const BookmarkNode* node) {
-  std::vector<Item>::iterator it = std::find(items_.begin(),
-                                             items_.end(),
-                                             Item(node, Item::TYPE_NODE));
-  if (it != items_.end())
-    items_.erase(it);
-}