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// Copyright 2014 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 "sync/api/attachments/attachment_store.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/location.h"
#include "base/message_loop/message_loop.h"
#include "base/sequenced_task_runner.h"
#include "base/thread_task_runner_handle.h"
#include "sync/internal_api/public/attachments/attachment_store_frontend.h"
#include "sync/internal_api/public/attachments/in_memory_attachment_store.h"
#include "sync/internal_api/public/attachments/on_disk_attachment_store.h"
namespace syncer {
namespace {
void NoOpDropCallback(const AttachmentStore::Result& result) {
}
}
AttachmentStore::AttachmentStore(
const scoped_refptr<AttachmentStoreFrontend>& frontend,
Component component)
: frontend_(frontend), component_(component) {
}
AttachmentStore::~AttachmentStore() {
}
void AttachmentStore::Read(const AttachmentIdList& ids,
const ReadCallback& callback) {
frontend_->Read(ids, callback);
}
void AttachmentStore::Write(const AttachmentList& attachments,
const WriteCallback& callback) {
frontend_->Write(component_, attachments, callback);
}
void AttachmentStore::Drop(const AttachmentIdList& ids,
const DropCallback& callback) {
frontend_->DropReference(component_, ids, callback);
}
void AttachmentStore::ReadMetadata(const AttachmentIdList& ids,
const ReadMetadataCallback& callback) {
frontend_->ReadMetadata(ids, callback);
}
void AttachmentStore::ReadAllMetadata(const ReadMetadataCallback& callback) {
frontend_->ReadAllMetadata(component_, callback);
}
scoped_ptr<AttachmentStoreForSync>
AttachmentStore::CreateAttachmentStoreForSync() const {
scoped_ptr<AttachmentStoreForSync> attachment_store_for_sync(
new AttachmentStoreForSync(frontend_, component_, SYNC));
return attachment_store_for_sync.Pass();
}
scoped_ptr<AttachmentStore> AttachmentStore::CreateInMemoryStore() {
// Both frontend and backend of attachment store will live on current thread.
scoped_refptr<base::SingleThreadTaskRunner> runner;
if (base::ThreadTaskRunnerHandle::IsSet()) {
runner = base::ThreadTaskRunnerHandle::Get();
} else {
// Dummy runner for tests that don't have MessageLoop.
base::MessageLoop loop;
// This works because |runner| takes a ref to the proxy.
runner = base::ThreadTaskRunnerHandle::Get();
}
scoped_ptr<AttachmentStoreBackend> backend(
new InMemoryAttachmentStore(runner));
scoped_refptr<AttachmentStoreFrontend> frontend(
new AttachmentStoreFrontend(backend.Pass(), runner));
scoped_ptr<AttachmentStore> attachment_store(
new AttachmentStore(frontend, MODEL_TYPE));
return attachment_store.Pass();
}
scoped_ptr<AttachmentStore> AttachmentStore::CreateOnDiskStore(
const base::FilePath& path,
const scoped_refptr<base::SequencedTaskRunner>& backend_task_runner,
const InitCallback& callback) {
scoped_ptr<OnDiskAttachmentStore> backend(
new OnDiskAttachmentStore(base::ThreadTaskRunnerHandle::Get(), path));
scoped_refptr<AttachmentStoreFrontend> frontend =
new AttachmentStoreFrontend(backend.Pass(), backend_task_runner);
scoped_ptr<AttachmentStore> attachment_store(
new AttachmentStore(frontend, MODEL_TYPE));
frontend->Init(callback);
return attachment_store.Pass();
}
scoped_ptr<AttachmentStore> AttachmentStore::CreateMockStoreForTest(
scoped_ptr<AttachmentStoreBackend> backend) {
scoped_refptr<base::SingleThreadTaskRunner> runner =
base::ThreadTaskRunnerHandle::Get();
scoped_refptr<AttachmentStoreFrontend> attachment_store_frontend(
new AttachmentStoreFrontend(backend.Pass(), runner));
scoped_ptr<AttachmentStore> attachment_store(
new AttachmentStore(attachment_store_frontend, MODEL_TYPE));
return attachment_store.Pass();
}
AttachmentStoreForSync::AttachmentStoreForSync(
const scoped_refptr<AttachmentStoreFrontend>& frontend,
Component consumer_component,
Component sync_component)
: AttachmentStore(frontend, consumer_component),
sync_component_(sync_component) {
}
void AttachmentStoreForSync::SetSyncReference(const AttachmentIdList& ids) {
frontend()->SetReference(sync_component_, ids);
}
void AttachmentStoreForSync::DropSyncReference(const AttachmentIdList& ids) {
frontend()->DropReference(sync_component_, ids,
base::Bind(&NoOpDropCallback));
}
} // namespace syncer
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