browser_thread_model_worker.h revision 5821806d5e7f356e8fa4b058a389a808ea183019
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) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CHROME_BROWSER_SYNC_GLUE_BROWSER_THREAD_MODEL_WORKER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHROME_BROWSER_SYNC_GLUE_BROWSER_THREAD_MODEL_WORKER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/callback_forward.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_thread.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "sync/internal_api/public/engine/model_safe_worker.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "sync/internal_api/public/util/syncer_error.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace base { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class WaitableEvent; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace browser_sync { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A syncer::ModelSafeWorker for models that accept requests from the 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// syncapi that need to be fulfilled on a browser thread, for example 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// autofill on the DB thread. TODO(sync): Try to generalize other 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ModelWorkers (e.g. history, etc). 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class BrowserThreadModelWorker : public syncer::ModelSafeWorker { 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserThreadModelWorker(content::BrowserThread::ID thread, 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::ModelSafeGroup group); 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // syncer::ModelSafeWorker implementation. Called on the sync thread. 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual syncer::SyncerError DoWorkAndWaitUntilDone( 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const syncer::WorkCallback& work) OVERRIDE; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual syncer::ModelSafeGroup GetModelSafeGroup() OVERRIDE; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~BrowserThreadModelWorker(); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Marked pure virtual so subclasses have to override, but there is 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // an implementation that subclasses should use. This is so that 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (subclass)::CallDoWorkAndSignalTask shows up in callstacks. 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void CallDoWorkAndSignalTask( 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const syncer::WorkCallback& work, 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::WaitableEvent* done, 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::SyncerError* error) = 0; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::BrowserThread::ID thread_; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::ModelSafeGroup group_; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(BrowserThreadModelWorker); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Subclass BrowserThreadModelWorker so that we can distinguish them 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// from stack traces alone. 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class DatabaseModelWorker : public BrowserThreadModelWorker { 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DatabaseModelWorker(); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void CallDoWorkAndSignalTask( 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const syncer::WorkCallback& work, 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::WaitableEvent* done, 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::SyncerError* error) OVERRIDE; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~DatabaseModelWorker(); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class FileModelWorker : public BrowserThreadModelWorker { 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FileModelWorker(); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void CallDoWorkAndSignalTask( 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const syncer::WorkCallback& work, 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::WaitableEvent* done, 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::SyncerError* error) OVERRIDE; 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~FileModelWorker(); 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace browser_sync 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CHROME_BROWSER_SYNC_GLUE_BROWSER_THREAD_MODEL_WORKER_H_ 87