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Unified Diff: components/dom_distiller/core/article_distillation_update.h

Issue 178303004: Add incremental updates for multipage distillation. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rebase address comments. Created 6 years, 10 months ago
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Index: components/dom_distiller/core/article_distillation_update.h
diff --git a/components/dom_distiller/core/article_distillation_update.h b/components/dom_distiller/core/article_distillation_update.h
new file mode 100644
index 0000000000000000000000000000000000000000..664c0db95129c9d2b2d88b7a05dfe2bd02a75acc
--- /dev/null
+++ b/components/dom_distiller/core/article_distillation_update.h
@@ -0,0 +1,51 @@
+// Copyright 2014 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.
+
+#ifndef COMPONENTS_DOM_DISTILLER_CORE_ARTICLE_DISTILLATION_UPDATE_H_
+#define COMPONENTS_DOM_DISTILLER_CORE_ARTICLE_DISTILLATION_UPDATE_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();
+
+ // Returns the distilled page at |index|.
+ const scoped_refptr<RefCountedPageProto> GetDistilledPage(size_t index) const;
cjhopman 2014/03/05 02:55:34 The page proto here can be modified by the caller.
shashi 2014/03/05 03:45:39 Done.
+
+ // 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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