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// Copyright 2015 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/managed/managed_bookmark_service.h"
#include <stdint.h>
#include <stdlib.h>
#include <utility>
#include <vector>
#include "base/bind.h"
#include "base/callback.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/memory/scoped_vector.h"
#include "base/strings/string16.h"
#include "base/values.h"
#include "components/bookmarks/browser/bookmark_model.h"
#include "components/bookmarks/browser/bookmark_utils.h"
#include "components/bookmarks/managed/managed_bookmarks_tracker.h"
#include "grit/components_strings.h"
#include "ui/base/l10n/l10n_util.h"
namespace bookmarks {
namespace {
// BookmarkPermanentNodeLoader initializes a BookmarkPermanentNode from a JSON
// representation, title id and starting node id.
class BookmarkPermanentNodeLoader {
public:
BookmarkPermanentNodeLoader(scoped_ptr<BookmarkPermanentNode> node,
scoped_ptr<base::ListValue> initial_bookmarks,
int title_id)
: node_(std::move(node)),
initial_bookmarks_(std::move(initial_bookmarks)),
title_id_(title_id) {
DCHECK(node_);
}
~BookmarkPermanentNodeLoader() {}
// Initializes |node_| from |initial_bookmarks_| and |title_id_| and returns
// it. The ids are assigned starting at |next_node_id| and the value is
// updated as a side-effect.
scoped_ptr<BookmarkPermanentNode> Load(int64_t* next_node_id) {
node_->set_id(*next_node_id);
*next_node_id = ManagedBookmarksTracker::LoadInitial(
node_.get(), initial_bookmarks_.get(), node_->id() + 1);
node_->set_visible(!node_->empty());
node_->SetTitle(l10n_util::GetStringUTF16(title_id_));
return std::move(node_);
}
private:
scoped_ptr<BookmarkPermanentNode> node_;
scoped_ptr<base::ListValue> initial_bookmarks_;
int title_id_;
DISALLOW_COPY_AND_ASSIGN(BookmarkPermanentNodeLoader);
};
// Returns a list of initialized BookmarkPermanentNodes using |next_node_id| to
// start assigning id. |next_node_id| is updated as a side effect of calling
// this method.
BookmarkPermanentNodeList LoadExtraNodes(
ScopedVector<BookmarkPermanentNodeLoader> loaders,
int64_t* next_node_id) {
BookmarkPermanentNodeList extra_nodes;
for (const auto& loader : loaders)
extra_nodes.push_back(loader->Load(next_node_id).release());
return extra_nodes;
}
} // namespace
ManagedBookmarkService::ManagedBookmarkService(
PrefService* prefs,
const GetManagementDomainCallback& callback)
: prefs_(prefs),
bookmark_model_(nullptr),
managed_domain_callback_(callback),
managed_node_(nullptr),
supervised_node_(nullptr) {}
ManagedBookmarkService::~ManagedBookmarkService() {
DCHECK(!bookmark_model_);
}
void ManagedBookmarkService::BookmarkModelCreated(
BookmarkModel* bookmark_model) {
DCHECK(bookmark_model);
DCHECK(!bookmark_model_);
bookmark_model_ = bookmark_model;
bookmark_model_->AddObserver(this);
managed_bookmarks_tracker_.reset(new ManagedBookmarksTracker(
bookmark_model_, prefs_, false /* is_supervised */,
managed_domain_callback_));
GetManagementDomainCallback unbound_callback;
supervised_bookmarks_tracker_.reset(new ManagedBookmarksTracker(
bookmark_model_, prefs_, true /* is_supervised */, unbound_callback));
}
LoadExtraCallback ManagedBookmarkService::GetLoadExtraNodesCallback() {
// Create two BookmarkPermanentNode with a temporary id of 0. They will be
// populated and assigned proper ids in the LoadExtraNodes callback. Until
// then, they are owned by the returned closure.
scoped_ptr<BookmarkPermanentNode> managed(new BookmarkPermanentNode(0));
scoped_ptr<BookmarkPermanentNode> supervised(new BookmarkPermanentNode(0));
managed_node_ = managed.get();
supervised_node_ = supervised.get();
ScopedVector<BookmarkPermanentNodeLoader> loaders;
loaders.push_back(new BookmarkPermanentNodeLoader(
std::move(managed),
managed_bookmarks_tracker_->GetInitialManagedBookmarks(),
IDS_BOOKMARK_BAR_MANAGED_FOLDER_DEFAULT_NAME));
loaders.push_back(new BookmarkPermanentNodeLoader(
std::move(supervised),
supervised_bookmarks_tracker_->GetInitialManagedBookmarks(),
IDS_BOOKMARK_BAR_SUPERVISED_FOLDER_DEFAULT_NAME));
return base::Bind(&LoadExtraNodes, base::Passed(&loaders));
}
bool ManagedBookmarkService::CanSetPermanentNodeTitle(
const BookmarkNode* node) {
// |managed_node_| can have its title updated if the user signs in or out,
// since the name of the managed domain can appear in it. Also both
// |managed_node_| and |supervised_node_| can have their title updated on
// locale changes (http://crbug.com/459448).
if (node == managed_node_ || node == supervised_node_)
return true;
return !IsDescendantOf(node, managed_node_) &&
!IsDescendantOf(node, supervised_node_);
}
bool ManagedBookmarkService::CanSyncNode(const BookmarkNode* node) {
return !IsDescendantOf(node, managed_node_) &&
!IsDescendantOf(node, supervised_node_);
}
bool ManagedBookmarkService::CanBeEditedByUser(const BookmarkNode* node) {
return !IsDescendantOf(node, managed_node_) &&
!IsDescendantOf(node, supervised_node_);
}
void ManagedBookmarkService::Shutdown() {
Cleanup();
}
void ManagedBookmarkService::BookmarkModelChanged() {}
void ManagedBookmarkService::BookmarkModelLoaded(BookmarkModel* bookmark_model,
bool ids_reassigned) {
BaseBookmarkModelObserver::BookmarkModelLoaded(bookmark_model,
ids_reassigned);
// Start tracking the managed and supervised bookmarks. This will detect any
// changes that may have occurred while the initial managed and supervised
// bookmarks were being loaded on the background.
managed_bookmarks_tracker_->Init(managed_node_);
supervised_bookmarks_tracker_->Init(supervised_node_);
}
void ManagedBookmarkService::BookmarkModelBeingDeleted(
BookmarkModel* bookmark_model) {
Cleanup();
}
void ManagedBookmarkService::Cleanup() {
if (bookmark_model_) {
bookmark_model_->RemoveObserver(this);
bookmark_model_ = nullptr;
}
managed_bookmarks_tracker_.reset();
supervised_bookmarks_tracker_.reset();
managed_node_ = nullptr;
supervised_node_ = nullptr;
}
} // namespace bookmarks
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