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 2390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// autofill on the DB thread. 2490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// TODO(sync): Try to generalize other 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, 2890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) syncer::ModelSafeGroup group, 2990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) syncer::WorkerLoopDestructionObserver* observer); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // syncer::ModelSafeWorker implementation. Called on the sync thread. 3290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) virtual void RegisterForLoopDestruction() OVERRIDE; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual syncer::ModelSafeGroup GetModelSafeGroup() OVERRIDE; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~BrowserThreadModelWorker(); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) virtual syncer::SyncerError DoWorkAndWaitUntilDoneImpl( 3990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) const syncer::WorkCallback& work) OVERRIDE; 4090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Marked pure virtual so subclasses have to override, but there is 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // an implementation that subclasses should use. This is so that 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (subclass)::CallDoWorkAndSignalTask shows up in callstacks. 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void CallDoWorkAndSignalTask( 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const syncer::WorkCallback& work, 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::WaitableEvent* done, 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::SyncerError* error) = 0; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::BrowserThread::ID thread_; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::ModelSafeGroup group_; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(BrowserThreadModelWorker); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Subclass BrowserThreadModelWorker so that we can distinguish them 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// from stack traces alone. 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class DatabaseModelWorker : public BrowserThreadModelWorker { 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 6190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) explicit DatabaseModelWorker(syncer::WorkerLoopDestructionObserver* observer); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void CallDoWorkAndSignalTask( 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const syncer::WorkCallback& work, 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::WaitableEvent* done, 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::SyncerError* error) OVERRIDE; 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~DatabaseModelWorker(); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class FileModelWorker : public BrowserThreadModelWorker { 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 7590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) explicit FileModelWorker(syncer::WorkerLoopDestructionObserver* observer); 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void CallDoWorkAndSignalTask( 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const syncer::WorkCallback& work, 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::WaitableEvent* done, 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) syncer::SyncerError* error) OVERRIDE; 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~FileModelWorker(); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace browser_sync 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CHROME_BROWSER_SYNC_GLUE_BROWSER_THREAD_MODEL_WORKER_H_ 90