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// Copyright (c) 2013 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 "android_webview/browser/aw_form_database_service.h"
#include "base/android/locale_utils.h"
#include "base/logging.h"
#include "base/synchronization/waitable_event.h"
#include "components/autofill/core/browser/webdata/autofill_table.h"
#include "components/webdata/common/webdata_constants.h"
#include "content/public/browser/browser_thread.h"
using base::WaitableEvent;
using content::BrowserThread;
namespace {
// Callback to handle database error. It seems chrome uses this to
// display an error dialog box only.
void DatabaseErrorCallback(sql::InitStatus status) {
LOG(WARNING) << "initializing autocomplete database failed";
}
} // namespace
namespace android_webview {
AwFormDatabaseService::AwFormDatabaseService(const base::FilePath path) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
web_database_ = new WebDatabaseService(path.Append(kWebDataFilename),
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::DB));
web_database_->AddTable(
scoped_ptr<WebDatabaseTable>(new autofill::AutofillTable(
base::android::GetDefaultLocale())));
web_database_->LoadDatabase();
autofill_data_ = new autofill::AutofillWebDataService(
web_database_,
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::DB),
base::Bind(&DatabaseErrorCallback));
autofill_data_->Init();
}
AwFormDatabaseService::~AwFormDatabaseService() {
Shutdown();
}
void AwFormDatabaseService::Shutdown() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(result_map_.empty());
// TODO(sgurun) we don't run into this logic right now,
// but if we do, then we need to implement cancellation
// of pending queries.
autofill_data_->ShutdownOnUIThread();
web_database_->ShutdownDatabase();
}
scoped_refptr<autofill::AutofillWebDataService>
AwFormDatabaseService::get_autofill_webdata_service() {
return autofill_data_;
}
void AwFormDatabaseService::ClearFormData() {
BrowserThread::PostTask(
BrowserThread::DB,
FROM_HERE,
base::Bind(&AwFormDatabaseService::ClearFormDataImpl,
base::Unretained(this)));
}
void AwFormDatabaseService::ClearFormDataImpl() {
base::Time begin;
base::Time end = base::Time::Max();
autofill_data_->RemoveFormElementsAddedBetween(begin, end);
autofill_data_->RemoveAutofillDataModifiedBetween(begin, end);
}
bool AwFormDatabaseService::HasFormData() {
WaitableEvent completion(false, false);
bool result = false;
BrowserThread::PostTask(
BrowserThread::DB,
FROM_HERE,
base::Bind(&AwFormDatabaseService::HasFormDataImpl,
base::Unretained(this),
&completion,
&result));
completion.Wait();
return result;
}
void AwFormDatabaseService::HasFormDataImpl(
WaitableEvent* completion,
bool* result) {
WebDataServiceBase::Handle pending_query_handle =
autofill_data_->HasFormElements(this);
PendingQuery query;
query.result = result;
query.completion = completion;
result_map_[pending_query_handle] = query;
}
void AwFormDatabaseService::OnWebDataServiceRequestDone(
WebDataServiceBase::Handle h,
const WDTypedResult* result) {
DCHECK_CURRENTLY_ON(BrowserThread::DB);
bool has_form_data = false;
if (result) {
DCHECK_EQ(AUTOFILL_VALUE_RESULT, result->GetType());
const WDResult<bool>* autofill_result =
static_cast<const WDResult<bool>*>(result);
has_form_data = autofill_result->GetValue();
}
QueryMap::const_iterator it = result_map_.find(h);
if (it == result_map_.end()) {
LOG(WARNING) << "Received unexpected callback from web data service";
return;
}
*(it->second.result) = has_form_data;
it->second.completion->Signal();
result_map_.erase(h);
}
} // namespace android_webview
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