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// Copyright 2014 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_DOM_DISTILLER_CORE_ARTICLE_DISTILLATION_UPDATE_H_
#define COMPONENTS_DOM_DISTILLER_CORE_ARTICLE_DISTILLATION_UPDATE_H_
#include <stddef.h>
#include <vector>
#include "base/memory/ref_counted.h"
#include "components/dom_distiller/core/proto/distilled_page.pb.h"
namespace dom_distiller {
// Update about an article that is currently under distillation.
class ArticleDistillationUpdate {
public:
typedef base::RefCountedData<DistilledPageProto> RefCountedPageProto;
ArticleDistillationUpdate(
const std::vector<scoped_refptr<RefCountedPageProto>>& pages,
bool has_next_page,
bool has_prev_page);
ArticleDistillationUpdate(const ArticleDistillationUpdate& other);
~ArticleDistillationUpdate();
// Returns the distilled page at |index|.
const DistilledPageProto& GetDistilledPage(size_t index) const;
// Returns the size of distilled pages in this update.
size_t GetPagesSize() const { return pages_.size(); }
// Returns true, if article has a next page that is currently under
// distillation and that is not part of the distilled pages included in this
// update.
bool HasNextPage() const { return has_next_page_; }
// Returns true if article has a previous page that is currently under
// distillation and that is not part of the distilled pages included in this
// update.
bool HasPrevPage() const { return has_prev_page_; }
private:
bool has_next_page_;
bool has_prev_page_;
// Currently available pages.
std::vector<scoped_refptr<RefCountedPageProto>> pages_;
};
} // namespace dom_distiller
#endif // COMPONENTS_DOM_DISTILLER_CORE_ARTICLE_DISTILLATION_UPDATE_H_
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