15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#ifndef CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_SYNC_PROCESSOR_H_ 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#define CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_SYNC_PROCESSOR_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <set> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "extensions/browser/value_store/value_store_change.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "sync/api/sync_error.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace syncer { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SyncChangeProcessor; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace syncer 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace extensions { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A wrapper for a SyncChangeProcessor that deals specifically with the syncing 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// of a single extension's settings. Handles: 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// - translating SettingChanges into calls into the Sync API. 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// - deciding whether to ADD/REMOVE/SET depending on the current state of 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// settings. 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// - rate limiting (inherently per-extension, which is what we want). 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SettingsSyncProcessor { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SettingsSyncProcessor(const std::string& extension_id, 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::ModelType type, 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::SyncChangeProcessor* sync_processor); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~SettingsSyncProcessor(); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Initializes this with the initial state of sync. 34eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch void Init(const base::DictionaryValue& initial_state); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sends |changes| to sync. 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::SyncError SendChanges(const ValueStoreChangeList& changes); 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Informs this that |changes| have been receieved from sync. No action will 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // be taken, but this must be notified for internal bookkeeping. 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void NotifyChanges(const ValueStoreChangeList& changes); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::ModelType type() { return type_; } 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ID of the extension the changes are for. 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string extension_id_; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sync model type. Either EXTENSION_SETTING or APP_SETTING. 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const syncer::ModelType type_; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The sync processor used to send changes to sync. 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::SyncChangeProcessor* const sync_processor_; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Whether Init() has been called. 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool initialized_; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Keys of the settings that are currently being synced. Used to decide what 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // kind of action (ADD, UPDATE, REMOVE) to send to sync. 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::set<std::string> synced_keys_; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SettingsSyncProcessor); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace extensions 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif // CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_SYNC_PROCESSOR_H_ 68