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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_OFFLINE_PAGES_CORE_MODEL_GET_PAGES_TASK_H_
#define COMPONENTS_OFFLINE_PAGES_CORE_MODEL_GET_PAGES_TASK_H_
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "components/offline_pages/core/client_id.h"
#include "components/offline_pages/core/offline_page_item.h"
#include "components/offline_pages/core/offline_page_metadata_store.h"
#include "components/offline_pages/core/offline_page_types.h"
#include "components/offline_pages/core/page_criteria.h"
#include "components/offline_pages/task/task.h"
namespace offline_pages {
// Gets offline pages that match the criteria.
class GetPagesTask : public Task {
public:
// Structure defining and intermediate read result.
struct ReadResult {
ReadResult();
ReadResult(const ReadResult& other);
~ReadResult();
bool success = false;
std::vector<OfflinePageItem> pages;
};
GetPagesTask(OfflinePageMetadataStore* store,
const PageCriteria& criteria,
MultipleOfflinePageItemCallback callback);
GetPagesTask(const GetPagesTask&) = delete;
GetPagesTask& operator=(const GetPagesTask&) = delete;
~GetPagesTask() override;
// Reads and returns all pages matching |criteria|. This function reads
// from the database and should be called from within an
// |SqlStoreBase::Execute()| call.
static ReadResult ReadPagesWithCriteriaSync(
const PageCriteria& criteria,
sql::Database* db);
private:
// Task implementation:
void Run() override;
void CompleteWithResult(ReadResult result);
raw_ptr<OfflinePageMetadataStore> store_;
PageCriteria criteria_;
MultipleOfflinePageItemCallback callback_;
base::WeakPtrFactory<GetPagesTask> weak_ptr_factory_{this};
};
} // namespace offline_pages
#endif // COMPONENTS_OFFLINE_PAGES_CORE_MODEL_GET_PAGES_TASK_H_
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