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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 "components/webdata/common/web_data_service_base.h"
#include "base/bind.h"
#include "base/message_loop.h"
#include "base/stl_util.h"
#include "base/threading/thread.h"
#include "components/webdata/common/web_database_service.h"
#ifdef DEBUG
#include "content/public/browser/browser_thread.h"
#endif
////////////////////////////////////////////////////////////////////////////////
//
// WebDataServiceBase implementation.
//
////////////////////////////////////////////////////////////////////////////////
using base::Bind;
using base::Time;
using content::BrowserThread;
WebDataServiceBase::WebDataServiceBase(scoped_refptr<WebDatabaseService> wdbs,
const ProfileErrorCallback& callback)
: wdbs_(wdbs),
db_loaded_(false),
profile_error_callback_(callback) {
// WebDataService requires DB thread if instantiated.
// Set WebDataServiceFactory::GetInstance()->SetTestingFactory(&profile, NULL)
// if you do not want to instantiate WebDataService in your test.
DCHECK(BrowserThread::IsWellKnownThread(BrowserThread::DB));
}
void WebDataServiceBase::ShutdownOnUIThread() {
db_loaded_ = false;
BrowserThread::PostTask(
BrowserThread::DB, FROM_HERE,
base::Bind(&WebDataServiceBase::ShutdownOnDBThread, this));
}
void WebDataServiceBase::Init() {
DCHECK(wdbs_.get());
wdbs_->LoadDatabase(Bind(&WebDataServiceBase::DatabaseInitOnDB, this));
}
void WebDataServiceBase::UnloadDatabase() {
if (!wdbs_)
return;
wdbs_->UnloadDatabase();
}
void WebDataServiceBase::ShutdownDatabase() {
if (!wdbs_)
return;
wdbs_->ShutdownDatabase();
}
void WebDataServiceBase::CancelRequest(Handle h) {
if (!wdbs_)
return;
wdbs_->CancelRequest(h);
}
content::NotificationSource WebDataServiceBase::GetNotificationSource() {
return content::Source<WebDataServiceBase>(this);
}
bool WebDataServiceBase::IsDatabaseLoaded() {
return db_loaded_;
}
WebDatabase* WebDataServiceBase::GetDatabase() {
if (!wdbs_)
return NULL;
return wdbs_->GetDatabaseOnDB();
}
base::SupportsUserData* WebDataServiceBase::GetDBUserData() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::DB));
if (!db_thread_user_data_)
db_thread_user_data_.reset(new SupportsUserDataAggregatable());
return db_thread_user_data_.get();
}
WebDataServiceBase::~WebDataServiceBase() {
DCHECK(!db_thread_user_data_.get()) << "Forgot to call ShutdownOnUIThread?";
}
void WebDataServiceBase::ShutdownOnDBThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::DB));
db_thread_user_data_.reset();
}
void WebDataServiceBase::NotifyDatabaseLoadedOnUIThread() {}
void WebDataServiceBase::DBInitFailed(sql::InitStatus sql_status) {
if (!profile_error_callback_.is_null())
profile_error_callback_.Run(sql_status);
}
void WebDataServiceBase::DBInitSucceeded() {
db_loaded_ = true;
NotifyDatabaseLoadedOnUIThread();
}
// Executed on DB thread.
void WebDataServiceBase::DatabaseInitOnDB(sql::InitStatus status) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::DB));
if (status == sql::INIT_OK) {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&WebDataServiceBase::DBInitSucceeded, this));
} else {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&WebDataServiceBase::DBInitFailed, this, status));
}
}
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