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// 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 "chrome/browser/sync/glue/history_model_worker.h"
#include "base/memory/ref_counted.h"
#include "base/message_loop.h"
#include "base/synchronization/waitable_event.h"
#include "chrome/browser/history/history.h"
using base::WaitableEvent;
namespace browser_sync {
class WorkerTask : public HistoryDBTask {
public:
WorkerTask(
const WorkCallback& work,
WaitableEvent* done,
SyncerError* error)
: work_(work), done_(done), error_(error) {}
virtual bool RunOnDBThread(history::HistoryBackend* backend,
history::HistoryDatabase* db) {
*error_ = work_.Run();
done_->Signal();
return true;
}
// Since the DoWorkAndWaitUntilDone() is syncronous, we don't need to run any
// code asynchronously on the main thread after completion.
virtual void DoneRunOnMainThread() {}
protected:
virtual ~WorkerTask() {}
WorkCallback work_;
WaitableEvent* done_;
SyncerError* error_;
};
HistoryModelWorker::HistoryModelWorker(HistoryService* history_service)
: history_service_(history_service) {
CHECK(history_service);
}
SyncerError HistoryModelWorker::DoWorkAndWaitUntilDone(
const WorkCallback& work) {
WaitableEvent done(false, false);
SyncerError error = UNSET;
scoped_refptr<WorkerTask> task(new WorkerTask(work, &done, &error));
history_service_->ScheduleDBTask(task.get(), &cancelable_consumer_);
done.Wait();
return error;
}
ModelSafeGroup HistoryModelWorker::GetModelSafeGroup() {
return GROUP_HISTORY;
}
HistoryModelWorker::~HistoryModelWorker() {}
} // namespace browser_sync
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