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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SAVED_TAB_GROUPS_INTERNAL_SYNC_BRIDGE_TAB_GROUP_MODEL_WRAPPER_H_
#define COMPONENTS_SAVED_TAB_GROUPS_INTERNAL_SYNC_BRIDGE_TAB_GROUP_MODEL_WRAPPER_H_
#include <optional>
#include <set>
#include <string>
#include <utility>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "base/uuid.h"
#include "components/saved_tab_groups/public/types.h"
#include "components/sync/base/data_type.h"
#include "components/tab_groups/tab_group_color.h"
#include "google_apis/gaia/gaia_id.h"
namespace tab_groups {
class SavedTabGroup;
class SavedTabGroupTab;
class SavedTabGroupModel;
// Wrapper of SavedTabGroupModel for sync bridges. Used to enforce the bridges
// working with the expected types of tab groups to mitigate possible unexpected
// changes between the data types.
class SyncBridgeTabGroupModelWrapper {
public:
using LoadCallback = base::OnceCallback<void(std::vector<SavedTabGroup>,
std::vector<SavedTabGroupTab>)>;
// `model` must not be null and must outlive the current object.
SyncBridgeTabGroupModelWrapper(syncer::DataType sync_data_type,
SavedTabGroupModel* model,
LoadCallback on_load_callback);
SyncBridgeTabGroupModelWrapper(const SyncBridgeTabGroupModelWrapper&) =
delete;
SyncBridgeTabGroupModelWrapper& operator=(
const SyncBridgeTabGroupModelWrapper&) = delete;
~SyncBridgeTabGroupModelWrapper();
// Returns true if the model is initialized.
bool IsInitialized() const;
// Returns tab groups corresponding to the data type.
std::vector<const SavedTabGroup*> GetTabGroups() const;
// Returns a group with the given `group_id`, null if the group does not exist
// or does not correspond to the data type.
const SavedTabGroup* GetGroup(const base::Uuid& group_id) const;
// Returns the group which contains the tab with `tab_id` if exists and
// corresponds to the data type, otherwise returns null.
const SavedTabGroup* GetGroupContainingTab(const base::Uuid& tab_id) const;
// Removes the tab from the `group_id`. `removed_by` is the user who removed
// the tab (used for shared tab groups only, may be empty).
void RemoveTabFromGroup(const base::Uuid& group_id,
const base::Uuid& tab_id,
GaiaId removed_by = GaiaId());
// Removes the whole group and all its tabs.
void RemoveGroup(const base::Uuid& group_id);
// Updates group's metadata based on the remote update.
const SavedTabGroup* MergeRemoteGroupMetadata(
const base::Uuid& group_id,
const std::u16string& title,
TabGroupColorId color,
std::optional<size_t> position,
std::optional<std::string> creator_cache_guid,
std::optional<std::string> last_updater_cache_guid,
base::Time update_time,
GaiaId updated_by);
// Updates the tab with the given remote data.
const SavedTabGroupTab* MergeRemoteTab(const SavedTabGroupTab& remote_tab);
// Adds a group created remotely.
void AddGroup(SavedTabGroup group);
// Adds a new tab to the group created remotely.
void AddTabToGroup(const base::Uuid& group_id, SavedTabGroupTab tab);
// Updates the creator cache guid for all saved groups that have
// `old_cache_guid`, to `new_cache_guid`. Returns a pair of group IDs and tab
// IDs which were updated.
std::pair<std::set<base::Uuid>, std::set<base::Uuid>> UpdateLocalCacheGuid(
std::optional<std::string> old_cache_guid,
std::optional<std::string> new_cache_guid);
// Marks the tab group as transitioned to shared, used for shared tab groups
// only.
void MarkTransitionedToShared(const base::Uuid& group_id);
// Initializes with the data loaded from the disk.
void Initialize(std::vector<SavedTabGroup> groups,
std::vector<SavedTabGroupTab> tabs);
// Called to notify of the sync bridge state changes, e.g. whether initial
// merge or disable sync are in progress. Invoked only for shared tab group
// bridge.
void OnSyncBridgeUpdateTypeChanged(
SyncBridgeUpdateType sync_bridge_update_type);
private:
// Returns whether the current wrapper is used for the shared tab group data.
bool IsSharedTabGroupData() const;
const syncer::DataType sync_data_type_;
const raw_ptr<SavedTabGroupModel> model_;
LoadCallback on_load_callback_;
};
} // namespace tab_groups
#endif // COMPONENTS_SAVED_TAB_GROUPS_INTERNAL_SYNC_BRIDGE_TAB_GROUP_MODEL_WRAPPER_H_
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