Add CategoryInfo for meta information of content suggestions Categories

components/ntp_snippets/category_info.h

+// Copyright 2016 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_NTP_SNIPPETS_CATEGORY_INFO_H_
+#define COMPONENTS_NTP_SNIPPETS_CATEGORY_INFO_H_
+
+#include "base/macros.h"
+#include "base/strings/string16.h"
+
+namespace ntp_snippets {
+
+// On Android builds, a Java counterpart will be generated for this enum.
+// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.ntp.snippets
+enum class ContentSuggestionsCardLayout {
+  // Uses all fields.
+  FULL_CARD,
+
+  // No snippet_text and no thumbnail image.
+  MINIMAL_CARD
+};
+
+// Contains static meta information about a Category.
+class CategoryInfo {
+ public:
+  CategoryInfo(const base::string16& title,
+               ContentSuggestionsCardLayout card_layout);
+  CategoryInfo(CategoryInfo&&) = default;
+  CategoryInfo& operator=(CategoryInfo&&) = default;
+
+  ~CategoryInfo();
+
+  // Localized title of the category.
+  const base::string16& title() const { return title_; }
+
+  // Layout of the cards to be used to display suggestions in this category.
+  ContentSuggestionsCardLayout card_layout() const { return card_layout_; }
+
+ private:
+  base::string16 title_;
+  ContentSuggestionsCardLayout card_layout_;
+
+  DISALLOW_COPY_AND_ASSIGN(CategoryInfo);
+};
+
+}  // namespace ntp_snippets
+
+#endif  // COMPONENTS_NTP_SNIPPETS_CATEGORY_INFO_H_