chrome.experimental.downloads

chrome/browser/download/download_history.h

 // 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_DOWNLOAD_DOWNLOAD_HISTORY_H_
 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_HISTORY_H_
 #pragma once
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "chrome/browser/history/history.h"
 #include "content/browser/cancelable_request.h"
 
 class DownloadItem;
 class Profile;
 
 namespace base {
 class Time;
 }
 
 // Interacts with the HistoryService on behalf of the download subsystem.
 class DownloadHistory {
  public:
   typedef Callback2<int32, bool>::Type VisitedBeforeDoneCallback;
 
-  // A fake download table ID which represents a download that has started,
-  // but is not yet in the table.
-  static const int kUninitializedHandle;
-
   explicit DownloadHistory(Profile* profile);
   ~DownloadHistory();
 
   // Retrieves DownloadCreateInfos saved in the history.
   void Load(HistoryService::DownloadQueryCallback* callback);
 
   // Checks whether |referrer_url| has been visited before today.  This takes
   // ownership of |callback|.
   void CheckVisitedReferrerBefore(int32 download_id,
                                   const GURL& referrer_url,
@@ skipping 10 matching lines @@
   void UpdateDownloadPath(DownloadItem* download_item,
                           const FilePath& new_path);
 
   // Removes |download_item| from the history database.
   void RemoveEntry(DownloadItem* download_item);
 
   // Removes download-related history entries in the given time range.
   void RemoveEntriesBetween(const base::Time remove_begin,
                             const base::Time remove_end);
 
-  // Returns a new unique database handle which will not collide with real ones.
-  int64 GetNextFakeDbHandle();
-
  private:
   typedef std::map<HistoryService::Handle,
                    std::pair<int32, VisitedBeforeDoneCallback*> >
       VisitedBeforeRequestsMap;
 
   void OnGotVisitCountToHost(HistoryService::Handle handle,
                              bool found_visits,
                              int count,
                              base::Time first_visit);
 
   Profile* profile_;
 
-  // In case we don't have a valid db_handle, we use |fake_db_handle_| instead.
-  // This is useful for incognito mode or when the history database is offline.
-  // Downloads are expected to have unique handles, so we decrement the next
-  // fake handle value on every use.
-  int64 next_fake_db_handle_;
-
   CancelableRequestConsumer history_consumer_;
 
   // The outstanding requests made by CheckVisitedReferrerBefore().
   VisitedBeforeRequestsMap visited_before_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadHistory);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_HISTORY_H_