Move ManagedBookmarksTracker from policy/core/browser to bookmarks/managed

components/policy/core/browser/managed_bookmarks_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/policy/core/browser/managed_bookmarks_tracker.h"
-
-#include <string>
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/callback.h"
-#include "base/logging.h"
-#include "base/prefs/pref_service.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/values.h"
-#include "components/bookmarks/browser/bookmark_model.h"
-#include "components/bookmarks/browser/bookmark_node.h"
-#include "components/bookmarks/common/bookmark_pref_names.h"
-#include "grit/components_strings.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "url/gurl.h"
-
-using bookmarks::BookmarkModel;
-using bookmarks::BookmarkNode;
-using bookmarks::BookmarkPermanentNode;
-
-namespace policy {
-
-const char ManagedBookmarksTracker::kName[] = "name";
-const char ManagedBookmarksTracker::kUrl[] = "url";
-const char ManagedBookmarksTracker::kChildren[] = "children";
-
-ManagedBookmarksTracker::ManagedBookmarksTracker(
-    BookmarkModel* model,
-    PrefService* prefs,
-    bool is_supervised,
-    const GetManagementDomainCallback& callback)
-    : model_(model),
-      is_supervised_(is_supervised),
-      managed_node_(NULL),
-      prefs_(prefs),
-      get_management_domain_callback_(callback) {
-}
-
-ManagedBookmarksTracker::~ManagedBookmarksTracker() {}
-
-scoped_ptr<base::ListValue>
-ManagedBookmarksTracker::GetInitialManagedBookmarks() {
-  const base::ListValue* list = prefs_->GetList(GetPrefName());
-  return make_scoped_ptr(list->DeepCopy());
-}
-
-// static
-int64 ManagedBookmarksTracker::LoadInitial(BookmarkNode* folder,
-                                           const base::ListValue* list,
-                                           int64 next_node_id) {
-  for (size_t i = 0; i < list->GetSize(); ++i) {
-    // Extract the data for the next bookmark from the |list|.
-    base::string16 title;
-    GURL url;
-    const base::ListValue* children = NULL;
-    if (!LoadBookmark(list, i, &title, &url, &children))
-      continue;
-
-    BookmarkNode* child = new BookmarkNode(next_node_id++, url);
-    child->SetTitle(title);
-    folder->Add(child, folder->child_count());
-    if (children) {
-      child->set_type(BookmarkNode::FOLDER);
-      child->set_date_folder_modified(base::Time::Now());
-      next_node_id = LoadInitial(child, children, next_node_id);
-    } else {
-      child->set_type(BookmarkNode::URL);
-      child->set_date_added(base::Time::Now());
-    }
-  }
-
-  return next_node_id;
-}
-
-void ManagedBookmarksTracker::Init(BookmarkPermanentNode* managed_node) {
-  managed_node_ = managed_node;
-  registrar_.Init(prefs_);
-  registrar_.Add(GetPrefName(),
-                 base::Bind(&ManagedBookmarksTracker::ReloadManagedBookmarks,
-                            base::Unretained(this)));
-  // Reload now just in case something changed since the initial load started.
-  ReloadManagedBookmarks();
-}
-
-// static
-const char* ManagedBookmarksTracker::GetPrefName(bool is_supervised) {
-  return is_supervised ? bookmarks::prefs::kSupervisedBookmarks
-                       : bookmarks::prefs::kManagedBookmarks;
-}
-
-const char* ManagedBookmarksTracker::GetPrefName() const {
-  return GetPrefName(is_supervised_);
-}
-
-base::string16 ManagedBookmarksTracker::GetBookmarksFolderTitle() const {
-  if (is_supervised_) {
-    return l10n_util::GetStringUTF16(
-        IDS_BOOKMARK_BAR_SUPERVISED_FOLDER_DEFAULT_NAME);
-  } else {
-    const std::string domain = get_management_domain_callback_.Run();
-    if (domain.empty()) {
-      return l10n_util::GetStringUTF16(
-          IDS_BOOKMARK_BAR_MANAGED_FOLDER_DEFAULT_NAME);
-    } else {
-      return l10n_util::GetStringFUTF16(
-          IDS_BOOKMARK_BAR_MANAGED_FOLDER_DOMAIN_NAME,
-          base::UTF8ToUTF16(domain));
-    }
-  }
-}
-
-void ManagedBookmarksTracker::ReloadManagedBookmarks() {
-  // In case the user just signed into or out of the account.
-  model_->SetTitle(managed_node_, GetBookmarksFolderTitle());
-
-  // Recursively update all the managed bookmarks and folders.
-  const base::ListValue* list = prefs_->GetList(GetPrefName());
-  UpdateBookmarks(managed_node_, list);
-
-  // The managed bookmarks folder isn't visible when that pref isn't present.
-  managed_node_->set_visible(!managed_node_->empty());
-}
-
-void ManagedBookmarksTracker::UpdateBookmarks(const BookmarkNode* folder,
-                                              const base::ListValue* list) {
-  int folder_index = 0;
-  for (size_t i = 0; i < list->GetSize(); ++i) {
-    // Extract the data for the next bookmark from the |list|.
-    base::string16 title;
-    GURL url;
-    const base::ListValue* children = NULL;
-    if (!LoadBookmark(list, i, &title, &url, &children)) {
-      // Skip this bookmark from |list| but don't advance |folder_index|.
-      continue;
-    }
-
-    // Look for a bookmark at |folder_index| or ahead that matches the current
-    // bookmark from the pref.
-    const BookmarkNode* existing = NULL;
-    for (int k = folder_index; k < folder->child_count(); ++k) {
-      const BookmarkNode* node = folder->GetChild(k);
-      if (node->GetTitle() == title &&
-          ((children && node->is_folder()) ||
-           (!children && node->url() == url))) {
-        existing = node;
-        break;
-      }
-    }
-
-    if (existing) {
-      // Reuse the existing node. The Move() is a nop if |existing| is already
-      // at |folder_index|.
-      model_->Move(existing, folder, folder_index);
-      if (children)
-        UpdateBookmarks(existing, children);
-    } else {
-      // Create a new node for this bookmark now.
-      if (children) {
-        const BookmarkNode* sub =
-            model_->AddFolder(folder, folder_index, title);
-        UpdateBookmarks(sub, children);
-      } else {
-        model_->AddURL(folder, folder_index, title, url);
-      }
-    }
-
-    // The |folder_index| index of |folder| has been updated, so advance it.
-    ++folder_index;
-  }
-
-  // Remove any extra children of |folder| that haven't been reused.
-  while (folder->child_count() != folder_index)
-    model_->Remove(folder, folder_index);
-}
-
-// static
-bool ManagedBookmarksTracker::LoadBookmark(const base::ListValue* list,
-                                           size_t index,
-                                           base::string16* title,
-                                           GURL* url,
-                                           const base::ListValue** children) {
-  std::string spec;
-  *url = GURL();
-  *children = NULL;
-  const base::DictionaryValue* dict = NULL;
-  if (!list->GetDictionary(index, &dict) ||
-      !dict->GetString(kName, title) ||
-      (!dict->GetString(kUrl, &spec) &&
-       !dict->GetList(kChildren, children))) {
-    // Should never happen after policy validation.
-    NOTREACHED();
-    return false;
-  }
-  if (!*children) {
-    *url = GURL(spec);
-    DCHECK(url->is_valid());
-  }
-  return true;
-}
-
-}  // namespace policy