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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/browser_thread_model_worker.h"
#include "base/bind.h"
#include "base/synchronization/waitable_event.h"
#include "content/public/browser/browser_thread.h"
using base::WaitableEvent;
using content::BrowserThread;
namespace browser_sync {
BrowserThreadModelWorker::BrowserThreadModelWorker(
BrowserThread::ID thread, ModelSafeGroup group)
: thread_(thread), group_(group) {}
BrowserThreadModelWorker::~BrowserThreadModelWorker() {}
SyncerError BrowserThreadModelWorker::DoWorkAndWaitUntilDone(
const WorkCallback& work) {
SyncerError error = UNSET;
if (BrowserThread::CurrentlyOn(thread_)) {
DLOG(WARNING) << "Already on thread " << thread_;
return work.Run();
}
WaitableEvent done(false, false);
if (!BrowserThread::PostTask(
thread_,
FROM_HERE,
base::Bind(&BrowserThreadModelWorker::CallDoWorkAndSignalTask, this,
work, &done, &error))) {
NOTREACHED() << "Failed to post task to thread " << thread_;
return error;
}
done.Wait();
return error;
}
void BrowserThreadModelWorker::CallDoWorkAndSignalTask(
const WorkCallback& work,
WaitableEvent* done,
SyncerError* error) {
DCHECK(BrowserThread::CurrentlyOn(thread_));
*error = work.Run();
done->Signal();
}
ModelSafeGroup BrowserThreadModelWorker::GetModelSafeGroup() {
return group_;
}
DatabaseModelWorker::DatabaseModelWorker()
: BrowserThreadModelWorker(BrowserThread::DB, GROUP_DB) {}
DatabaseModelWorker::~DatabaseModelWorker() {}
void DatabaseModelWorker::CallDoWorkAndSignalTask(
const WorkCallback& work,
WaitableEvent* done,
SyncerError* error) {
BrowserThreadModelWorker::CallDoWorkAndSignalTask(work, done, error);
}
FileModelWorker::FileModelWorker()
: BrowserThreadModelWorker(BrowserThread::FILE, GROUP_FILE) {}
FileModelWorker::~FileModelWorker() {}
void FileModelWorker::CallDoWorkAndSignalTask(
const WorkCallback& work,
WaitableEvent* done,
SyncerError* error) {
BrowserThreadModelWorker::CallDoWorkAndSignalTask(work, done, error);
}
} // namespace browser_sync
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