[Sync] Move some directory-related things from core/ to syncable/.

components/sync/core/base_node.cc

Index: components/sync/core/base_node.cc
diff --git a/components/sync/core/base_node.cc b/components/sync/core/base_node.cc
deleted file mode 100644
index c0666b8312260855bb0cfe36710ff5404ea09d02..0000000000000000000000000000000000000000
--- a/components/sync/core/base_node.cc
+++ /dev/null
@@ -1,285 +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 "components/sync/core/base_node.h"
-
-#include <stack>
-
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/utf_string_conversions.h"
-#include "components/sync/base/time.h"
-#include "components/sync/core/base_transaction.h"
-#include "components/sync/core_impl/syncapi_internal.h"
-#include "components/sync/protocol/app_specifics.pb.h"
-#include "components/sync/protocol/autofill_specifics.pb.h"
-#include "components/sync/protocol/bookmark_specifics.pb.h"
-#include "components/sync/protocol/extension_specifics.pb.h"
-#include "components/sync/protocol/nigori_specifics.pb.h"
-#include "components/sync/protocol/password_specifics.pb.h"
-#include "components/sync/protocol/session_specifics.pb.h"
-#include "components/sync/protocol/theme_specifics.pb.h"
-#include "components/sync/protocol/typed_url_specifics.pb.h"
-#include "components/sync/syncable/directory.h"
-#include "components/sync/syncable/entry.h"
-#include "components/sync/syncable/syncable_base_transaction.h"
-#include "components/sync/syncable/syncable_id.h"
-
-using sync_pb::AutofillProfileSpecifics;
-
-namespace syncer {
-
-using syncable::SPECIFICS;
-
-// Helper function to look up the int64_t metahandle of an object given the ID
-// string.
-static int64_t IdToMetahandle(syncable::BaseTransaction* trans,
-                              const syncable::Id& id) {
-  if (id.IsNull())
-    return kInvalidId;
-  syncable::Entry entry(trans, syncable::GET_BY_ID, id);
-  if (!entry.good())
-    return kInvalidId;
-  return entry.GetMetahandle();
-}
-
-BaseNode::BaseNode() : password_data_(new sync_pb::PasswordSpecificsData) {}
-
-BaseNode::~BaseNode() {}
-
-bool BaseNode::DecryptIfNecessary() {
-  if (GetIsPermanentFolder())
-    return true;  // Ignore unique folders.
-  const sync_pb::EntitySpecifics& specifics = GetEntry()->GetSpecifics();
-  if (specifics.has_password()) {
-    // Passwords have their own legacy encryption structure.
-    std::unique_ptr<sync_pb::PasswordSpecificsData> data(
-        DecryptPasswordSpecifics(specifics,
-                                 GetTransaction()->GetCryptographer()));
-    if (!data) {
-      GetTransaction()->GetWrappedTrans()->OnUnrecoverableError(
-          FROM_HERE, std::string("Failed to decrypt encrypted node of type ") +
-                         ModelTypeToString(GetModelType()));
-      return false;
-    }
-    password_data_.swap(data);
-    return true;
-  }
-
-  // We assume any node with the encrypted field set has encrypted data and if
-  // not we have no work to do, with the exception of bookmarks. For bookmarks
-  // we must make sure the bookmarks data has the title field supplied. If not,
-  // we fill the unencrypted_data_ with a copy of the bookmark specifics that
-  // follows the new bookmarks format.
-  if (!specifics.has_encrypted()) {
-    if (GetModelType() == BOOKMARKS && !specifics.bookmark().has_title() &&
-        !GetTitle().empty()) {  // Last check ensures this isn't a new node.
-      // We need to fill in the title.
-      std::string title = GetTitle();
-      std::string server_legal_title;
-      SyncAPINameToServerName(title, &server_legal_title);
-      DVLOG(1) << "Reading from legacy bookmark, manually returning title "
-               << title;
-      unencrypted_data_.CopyFrom(specifics);
-      unencrypted_data_.mutable_bookmark()->set_title(server_legal_title);
-    }
-    return true;
-  }
-
-  const sync_pb::EncryptedData& encrypted = specifics.encrypted();
-  std::string plaintext_data =
-      GetTransaction()->GetCryptographer()->DecryptToString(encrypted);
-  if (plaintext_data.length() == 0) {
-    GetTransaction()->GetWrappedTrans()->OnUnrecoverableError(
-        FROM_HERE, std::string("Failed to decrypt encrypted node of type ") +
-                       ModelTypeToString(GetModelType()));
-    return false;
-  } else if (!unencrypted_data_.ParseFromString(plaintext_data)) {
-    GetTransaction()->GetWrappedTrans()->OnUnrecoverableError(
-        FROM_HERE, std::string("Failed to parse encrypted node of type ") +
-                       ModelTypeToString(GetModelType()));
-    return false;
-  }
-  DVLOG(2) << "Decrypted specifics of type "
-           << ModelTypeToString(GetModelType())
-           << " with content: " << plaintext_data;
-  return true;
-}
-
-const sync_pb::EntitySpecifics& BaseNode::GetUnencryptedSpecifics(
-    const syncable::Entry* entry) const {
-  const sync_pb::EntitySpecifics& specifics = entry->GetSpecifics();
-  if (specifics.has_encrypted()) {
-    DCHECK_NE(GetModelTypeFromSpecifics(unencrypted_data_), UNSPECIFIED);
-    return unencrypted_data_;
-  } else {
-    // Due to the change in bookmarks format, we need to check to see if this is
-    // a legacy bookmarks (and has no title field in the proto). If it is, we
-    // return the unencrypted_data_, which was filled in with the title by
-    // DecryptIfNecessary().
-    if (GetModelType() == BOOKMARKS) {
-      const sync_pb::BookmarkSpecifics& bookmark_specifics =
-          specifics.bookmark();
-      if (bookmark_specifics.has_title() ||
-          GetTitle().empty() ||  // For the empty node case
-          GetIsPermanentFolder()) {
-        // It's possible we previously had to convert and set
-        // |unencrypted_data_| but then wrote our own data, so we allow
-        // |unencrypted_data_| to be non-empty.
-        return specifics;
-      } else {
-        DCHECK_EQ(GetModelTypeFromSpecifics(unencrypted_data_), BOOKMARKS);
-        return unencrypted_data_;
-      }
-    } else {
-      DCHECK_EQ(GetModelTypeFromSpecifics(unencrypted_data_), UNSPECIFIED);
-      return specifics;
-    }
-  }
-}
-
-int64_t BaseNode::GetParentId() const {
-  return IdToMetahandle(GetTransaction()->GetWrappedTrans(),
-                        GetEntry()->GetParentId());
-}
-
-int64_t BaseNode::GetId() const {
-  return GetEntry()->GetMetahandle();
-}
-
-base::Time BaseNode::GetModificationTime() const {
-  return GetEntry()->GetMtime();
-}
-
-bool BaseNode::GetIsFolder() const {
-  return GetEntry()->GetIsDir();
-}
-
-bool BaseNode::GetIsPermanentFolder() const {
-  bool is_permanent_folder = !GetEntry()->GetUniqueServerTag().empty();
-  if (is_permanent_folder) {
-    // If the node is a permanent folder it must also have IS_DIR bit set,
-    // except some nigori nodes on old accounts.
-    DCHECK(GetIsFolder() || GetModelType() == NIGORI);
-  }
-  return is_permanent_folder;
-}
-
-std::string BaseNode::GetTitle() const {
-  std::string result;
-  // TODO(zea): refactor bookmarks to not need this functionality.
-  if (BOOKMARKS == GetModelType() &&
-      GetEntry()->GetSpecifics().has_encrypted()) {
-    // Special case for legacy bookmarks dealing with encryption.
-    ServerNameToSyncAPIName(GetBookmarkSpecifics().title(), &result);
-  } else {
-    ServerNameToSyncAPIName(GetEntry()->GetNonUniqueName(), &result);
-  }
-  return result;
-}
-
-bool BaseNode::HasChildren() const {
-  syncable::Directory* dir = GetTransaction()->GetDirectory();
-  syncable::BaseTransaction* trans = GetTransaction()->GetWrappedTrans();
-  return dir->HasChildren(trans, GetEntry()->GetId());
-}
-
-int64_t BaseNode::GetPredecessorId() const {
-  syncable::Id id_string = GetEntry()->GetPredecessorId();
-  if (id_string.IsNull())
-    return kInvalidId;
-  return IdToMetahandle(GetTransaction()->GetWrappedTrans(), id_string);
-}
-
-int64_t BaseNode::GetSuccessorId() const {
-  syncable::Id id_string = GetEntry()->GetSuccessorId();
-  if (id_string.IsNull())
-    return kInvalidId;
-  return IdToMetahandle(GetTransaction()->GetWrappedTrans(), id_string);
-}
-
-int64_t BaseNode::GetFirstChildId() const {
-  syncable::Id id_string = GetEntry()->GetFirstChildId();
-  if (id_string.IsNull())
-    return kInvalidId;
-  return IdToMetahandle(GetTransaction()->GetWrappedTrans(), id_string);
-}
-
-void BaseNode::GetChildIds(std::vector<int64_t>* result) const {
-  GetEntry()->GetChildHandles(result);
-}
-
-int BaseNode::GetTotalNodeCount() const {
-  return GetEntry()->GetTotalNodeCount();
-}
-
-int BaseNode::GetPositionIndex() const {
-  return GetEntry()->GetPositionIndex();
-}
-
-base::DictionaryValue* BaseNode::ToValue() const {
-  return GetEntry()->ToValue(GetTransaction()->GetCryptographer());
-}
-
-int64_t BaseNode::GetExternalId() const {
-  return GetEntry()->GetLocalExternalId();
-}
-
-const syncable::Id& BaseNode::GetSyncId() const {
-  return GetEntry()->GetId();
-}
-
-const sync_pb::BookmarkSpecifics& BaseNode::GetBookmarkSpecifics() const {
-  DCHECK_EQ(GetModelType(), BOOKMARKS);
-  return GetEntitySpecifics().bookmark();
-}
-
-const sync_pb::NigoriSpecifics& BaseNode::GetNigoriSpecifics() const {
-  DCHECK_EQ(GetModelType(), NIGORI);
-  return GetEntitySpecifics().nigori();
-}
-
-const sync_pb::PasswordSpecificsData& BaseNode::GetPasswordSpecifics() const {
-  DCHECK_EQ(GetModelType(), PASSWORDS);
-  return *password_data_;
-}
-
-const sync_pb::TypedUrlSpecifics& BaseNode::GetTypedUrlSpecifics() const {
-  DCHECK_EQ(GetModelType(), TYPED_URLS);
-  return GetEntitySpecifics().typed_url();
-}
-
-const sync_pb::ExperimentsSpecifics& BaseNode::GetExperimentsSpecifics() const {
-  DCHECK_EQ(GetModelType(), EXPERIMENTS);
-  return GetEntitySpecifics().experiments();
-}
-
-const sync_pb::EntitySpecifics& BaseNode::GetEntitySpecifics() const {
-  return GetUnencryptedSpecifics(GetEntry());
-}
-
-ModelType BaseNode::GetModelType() const {
-  return GetEntry()->GetModelType();
-}
-
-const AttachmentIdList BaseNode::GetAttachmentIds() const {
-  AttachmentIdList result;
-  const sync_pb::AttachmentMetadata& metadata =
-      GetEntry()->GetAttachmentMetadata();
-  for (int i = 0; i < metadata.record_size(); ++i) {
-    result.push_back(AttachmentId::CreateFromProto(metadata.record(i).id()));
-  }
-  return result;
-}
-
-void BaseNode::SetUnencryptedSpecifics(
-    const sync_pb::EntitySpecifics& specifics) {
-  ModelType type = GetModelTypeFromSpecifics(specifics);
-  DCHECK_NE(UNSPECIFIED, type);
-  if (GetModelType() != UNSPECIFIED) {
-    DCHECK_EQ(GetModelType(), type);
-  }
-  unencrypted_data_.CopyFrom(specifics);
-}
-
-}  // namespace syncer