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// 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_ENHANCED_BOOKMARKS_METADATA_ACCESSOR_H_
#define COMPONENTS_ENHANCED_BOOKMARKS_METADATA_ACCESSOR_H_
#include <set>
#include <string>
#include <vector>
class BookmarkModel;
class BookmarkNode;
class GURL;
// The functions in this file store and retrieve structured data encoded in the
// bookmark metadata. This information suplements the data in the bookmark with
// images and descriptions related to the url.
namespace enhanced_bookmarks {
typedef std::vector<const BookmarkNode*> NodeVector;
typedef std::set<const BookmarkNode*> NodeSet;
// The keys used to store the data in the bookmarks metadata dictionary.
extern const char* kPageDataKey;
extern const char* kImageDataKey;
extern const char* kIdDataKey;
extern const char* kNoteKey;
// Returns the remoteId for a bookmark. If the bookmark doesn't have one already
// this function will create and set one.
std::string RemoteIdFromBookmark(BookmarkModel* bookmark_model,
const BookmarkNode* node);
// Sets the description of a bookmark.
void SetDescriptionForBookmark(BookmarkModel* bookmark_model,
const BookmarkNode* node,
const std::string& description);
// Returns the description of a bookmark.
std::string DescriptionFromBookmark(const BookmarkNode* node);
// Sets the URL of an image representative of the page.
// Expects the URL to be valid and not empty.
// Returns true if the metainfo is successfully populated.
bool SetOriginalImageForBookmark(BookmarkModel* bookmark_model,
const BookmarkNode* node,
const GURL& url,
int width,
int height);
// Returns the url and dimensions of the original scraped image.
// Returns true if the out variables are populated, false otherwise.
bool OriginalImageFromBookmark(const BookmarkNode* node,
GURL* url,
int* width,
int* height);
// Returns the url and dimensions of the server provided thumbnail image.
// Returns true if the out variables are populated, false otherwise.
bool ThumbnailImageFromBookmark(const BookmarkNode* node,
GURL* url,
int* width,
int* height);
// Returns a brief server provided synopsis of the bookmarked page.
// Returns the empty string if the snippet could not be extracted.
std::string SnippetFromBookmark(const BookmarkNode* node);
// Used for testing, simulates the process that creates the thumnails. Will
// remove existing entries for empty urls or set them if the url is not empty.
// expects valid or empty urls. Returns true if the metainfo is successfully
// populated.
bool SetAllImagesForBookmark(BookmarkModel* bookmark_model,
const BookmarkNode* node,
const GURL& image_url,
int image_width,
int image_height,
const GURL& thumbnail_url,
int thumbnail_width,
int thumbnail_height);
} // namespace enhanced_bookmarks
#endif // COMPONENTS_ENHANCED_BOOKMARKS_METADATA_ACCESSOR_H_
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