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// Copyright (c) 2011 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 CHROME_BROWSER_HISTORY_HISTORY_PUBLISHER_H_
#define CHROME_BROWSER_HISTORY_HISTORY_PUBLISHER_H_
#pragma once
#include <vector>
#include "base/basictypes.h"
#include "base/string16.h"
#if defined(OS_WIN)
#include "base/win/scoped_comptr.h"
#include "history_indexer.h"
#endif
class GURL;
namespace base {
class Time;
}
namespace history {
class HistoryPublisher {
public:
HistoryPublisher();
~HistoryPublisher();
// Must call this function to complete initialization. Returns true if we
// need to publish data to any indexers registered with us. Returns false if
// there are none registered. On false, no other function should be called.
bool Init();
void PublishPageThumbnail(const std::vector<unsigned char>& thumbnail,
const GURL& url, const base::Time& time) const;
void PublishPageContent(const base::Time& time, const GURL& url,
const string16& title,
const string16& contents) const;
void DeleteUserHistoryBetween(const base::Time& begin_time,
const base::Time& end_time) const;
private:
struct PageData {
const base::Time& time;
const GURL& url;
const char16* html;
const char16* title;
const char* thumbnail_format;
const std::vector<unsigned char>* thumbnail;
};
void PublishDataToIndexers(const PageData& page_data) const;
#if defined(OS_WIN)
// Initializes the indexer_list_ with the list of indexers that registered
// with us to index history. Returns true if there are any registered.
bool ReadRegisteredIndexersFromRegistry();
// Converts time represented by the Time class object to variant time in UTC.
// Returns '0' if the time object is NULL.
static double TimeToUTCVariantTime(const base::Time& time);
typedef std::vector< base::win::ScopedComPtr<
IChromeHistoryIndexer> > IndexerList;
// The list of indexers registered to receive history data from us.
IndexerList indexers_;
// The Registry key under HKCU where the indexers need to register their
// CLSID.
static const wchar_t* const kRegKeyRegisteredIndexersInfo;
#endif
// The format of the thumbnail we pass to indexers.
static const char* const kThumbnailImageFormat;
DISALLOW_COPY_AND_ASSIGN(HistoryPublisher);
};
} // namespace history
#endif // CHROME_BROWSER_HISTORY_HISTORY_PUBLISHER_H_
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