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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/offline_pages/core/model/visuals_availability_task.h"
#include "base/functional/bind.h"
#include "components/offline_pages/core/offline_page_metadata_store.h"
#include "sql/database.h"
#include "sql/statement.h"
#include "sql/transaction.h"
namespace offline_pages {
namespace {
VisualsAvailability VisualsAvailableSync(int64_t offline_id,
sql::Database* db) {
static const char kSql[] =
"SELECT length(thumbnail)>0,length(favicon)>0 FROM page_thumbnails"
" WHERE offline_id=?";
sql::Statement statement(db->GetCachedStatement(SQL_FROM_HERE, kSql));
statement.BindInt64(0, offline_id);
if (!statement.Step())
return {false, false};
return {statement.ColumnBool(0), statement.ColumnBool(1)};
}
} // namespace
VisualsAvailabilityTask::VisualsAvailabilityTask(
OfflinePageMetadataStore* store,
int64_t offline_id,
VisualsAvailableCallback exists_callback)
: store_(store),
offline_id_(offline_id),
exists_callback_(std::move(exists_callback)) {}
VisualsAvailabilityTask::~VisualsAvailabilityTask() = default;
void VisualsAvailabilityTask::Run() {
store_->Execute(base::BindOnce(VisualsAvailableSync, offline_id_),
base::BindOnce(&VisualsAvailabilityTask::OnVisualsAvailable,
weak_ptr_factory_.GetWeakPtr()),
{false, false});
}
void VisualsAvailabilityTask::OnVisualsAvailable(
VisualsAvailability availability) {
TaskComplete();
std::move(exists_callback_).Run(std::move(availability));
}
} // namespace offline_pages
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