Move bookmarks/core/... to bookmarks/...

components/bookmarks/core/browser/bookmark_expanded_state_tracker.cc

-// Copyright 2014 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 "components/bookmarks/core/browser/bookmark_expanded_state_tracker.h"
-
-#include "base/prefs/pref_service.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/values.h"
-#include "components/bookmarks/core/browser/bookmark_model.h"
-#include "components/bookmarks/core/browser/bookmark_utils.h"
-#include "components/bookmarks/core/common/bookmark_pref_names.h"
-
-BookmarkExpandedStateTracker::BookmarkExpandedStateTracker(
-    BookmarkModel* bookmark_model,
-    PrefService* pref_service)
-    : bookmark_model_(bookmark_model),
-      pref_service_(pref_service) {
-  bookmark_model->AddObserver(this);
-}
-
-BookmarkExpandedStateTracker::~BookmarkExpandedStateTracker() {
-}
-
-void BookmarkExpandedStateTracker::SetExpandedNodes(const Nodes& nodes) {
-  UpdatePrefs(nodes);
-}
-
-BookmarkExpandedStateTracker::Nodes
-BookmarkExpandedStateTracker::GetExpandedNodes() {
-  Nodes nodes;
-  if (!bookmark_model_->loaded())
-    return nodes;
-
-  if (!pref_service_)
-    return nodes;
-
-  const base::ListValue* value =
-      pref_service_->GetList(prefs::kBookmarkEditorExpandedNodes);
-  if (!value)
-    return nodes;
-
-  bool changed = false;
-  for (base::ListValue::const_iterator i = value->begin();
-       i != value->end(); ++i) {
-    std::string value;
-    int64 node_id;
-    const BookmarkNode* node;
-    if ((*i)->GetAsString(&value) && base::StringToInt64(value, &node_id) &&
-        (node = GetBookmarkNodeByID(bookmark_model_, node_id)) != NULL &&
-        node->is_folder()) {
-      nodes.insert(node);
-    } else {
-      changed = true;
-    }
-  }
-  if (changed)
-    UpdatePrefs(nodes);
-  return nodes;
-}
-
-void BookmarkExpandedStateTracker::BookmarkModelLoaded(BookmarkModel* model,
-                                                       bool ids_reassigned) {
-  if (ids_reassigned) {
-    // If the ids change we can't trust the value in preferences and need to
-    // reset it.
-    SetExpandedNodes(Nodes());
-  }
-}
-
-void BookmarkExpandedStateTracker::BookmarkModelChanged() {
-}
-
-void BookmarkExpandedStateTracker::BookmarkModelBeingDeleted(
-    BookmarkModel* model) {
-  model->RemoveObserver(this);
-}
-
-void BookmarkExpandedStateTracker::BookmarkNodeRemoved(
-    BookmarkModel* model,
-    const BookmarkNode* parent,
-    int old_index,
-    const BookmarkNode* node,
-    const std::set<GURL>& removed_urls) {
-  if (!node->is_folder())
-    return;  // Only care about folders.
-
-  // Ask for the nodes again, which removes any nodes that were deleted.
-  GetExpandedNodes();
-}
-
-void BookmarkExpandedStateTracker::BookmarkAllNodesRemoved(
-    BookmarkModel* model,
-    const std::set<GURL>& removed_urls) {
-  // Ask for the nodes again, which removes any nodes that were deleted.
-  GetExpandedNodes();
-}
-
-void BookmarkExpandedStateTracker::UpdatePrefs(const Nodes& nodes) {
-  if (!pref_service_)
-    return;
-
-  base::ListValue values;
-  for (Nodes::const_iterator i = nodes.begin(); i != nodes.end(); ++i) {
-    values.Set(values.GetSize(),
-               new base::StringValue(base::Int64ToString((*i)->id())));
-  }
-
-  pref_service_->Set(prefs::kBookmarkEditorExpandedNodes, values);
-}