Make DownloadHistory observe manager, items

content/public/browser/download_item.h

 // Copyright (c) 2012 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.
 //
 // Each download is represented by a DownloadItem, and all DownloadItems
 // are owned by the DownloadManager which maintains a global list of all
 // downloads. DownloadItems are created when a user initiates a download,
 // and exist for the duration of the browser life time.
 //
 // Download observers:
@@ skipping 25 matching lines @@
 class Time;
 class TimeDelta;
 }
 
 namespace content {
 
 class BrowserContext;
 class DownloadId;
 class DownloadManager;
 class WebContents;
-struct DownloadPersistentStoreInfo;
 
 // One DownloadItem per download. This is the model class that stores all the
 // state for a download. Multiple views, such as a tab's download shelf and the
 // Destination tab's download view, may refer to a given DownloadItem.
 //
 // This is intended to be used only on the UI thread.
 class CONTENT_EXPORT DownloadItem : public base::SupportsUserData {
  public:
   enum DownloadState {
     // Download is actively progressing.
@@ skipping 25 matching lines @@
   };
 
   // How the final target path should be used.
   enum TargetDisposition {
     TARGET_DISPOSITION_OVERWRITE, // Overwrite if the target already exists.
     TARGET_DISPOSITION_PROMPT     // Prompt the user for the actual
                                   // target. Implies
                                   // TARGET_DISPOSITION_OVERWRITE.
   };
 
-  // A fake download table ID which represents a download that has started,
-  // but is not yet in the table.
-  static const int kUninitializedHandle;
-
   static const char kEmptyFileHash[];
 
   // Interface that observers of a particular download must implement in order
   // to receive updates to the download's status.
   class CONTENT_EXPORT Observer {
    public:
     virtual void OnDownloadUpdated(DownloadItem* download) {}
 
     // Called when a downloaded file has been opened.
     virtual void OnDownloadOpened(DownloadItem* download) {}
@@ skipping 110 matching lines @@
   virtual const FilePath& GetTargetFilePath() const = 0;
 
   // Get the target disposition.
   virtual TargetDisposition GetTargetDisposition() const = 0;
 
   // Called if a check of the download contents was performed and the results of
   // the test are available. This should only be called after AllDataSaved() is
   // true.
   virtual void OnContentCheckCompleted(DownloadDangerType danger_type) = 0;
 
-  virtual bool IsPersisted() const = 0;
-
   // Accessors
   virtual const std::string& GetHash() const = 0;
   virtual DownloadState GetState() const = 0;
   virtual const GURL& GetURL() const = 0;
   virtual const std::vector<GURL>& GetUrlChain() const = 0;
   virtual const GURL& GetOriginalUrl() const = 0;
   virtual const GURL& GetReferrerUrl() const = 0;
   virtual std::string GetSuggestedFilename() const = 0;
   virtual std::string GetContentDisposition() const = 0;
   virtual std::string GetMimeType() const = 0;
   virtual std::string GetOriginalMimeType() const = 0;
   virtual std::string GetReferrerCharset() const = 0;
   virtual std::string GetRemoteAddress() const = 0;
   virtual int64 GetTotalBytes() const = 0;
   virtual int64 GetReceivedBytes() const = 0;
   virtual const std::string& GetHashState() const = 0;
   virtual int32 GetId() const = 0;
   virtual DownloadId GetGlobalId() const = 0;
   virtual base::Time GetStartTime() const = 0;
   virtual base::Time GetEndTime() const = 0;
-  virtual int64 GetDbHandle() const = 0;
   virtual bool IsPaused() const = 0;
   virtual bool GetOpenWhenComplete() const = 0;
   virtual void SetOpenWhenComplete(bool open) = 0;
   virtual bool GetFileExternallyRemoved() const = 0;
   virtual SafetyState GetSafetyState() const = 0;
   // Why |safety_state_| is not SAFE.
   virtual DownloadDangerType GetDangerType() const = 0;
   virtual bool IsDangerous() const = 0;
 
   virtual bool GetAutoOpened() = 0;
   virtual FilePath GetTargetName() const = 0;
   virtual const FilePath& GetForcedFilePath() const = 0;
   virtual bool HasUserGesture() const = 0;
   virtual PageTransition GetTransitionType() const = 0;
   virtual bool IsTemporary() const = 0;
   virtual void SetIsTemporary(bool temporary) = 0;
   virtual void SetOpened(bool opened) = 0;
   virtual bool GetOpened() const = 0;
 
   virtual const std::string& GetLastModifiedTime() const = 0;
   virtual const std::string& GetETag() const = 0;
 
   virtual DownloadInterruptReason GetLastReason() const = 0;
-  virtual DownloadPersistentStoreInfo GetPersistentStoreInfo() const = 0;
   virtual BrowserContext* GetBrowserContext() const = 0;
   virtual WebContents* GetWebContents() const = 0;
 
   // Returns the file-name that should be reported to the user. If a display
   // name has been explicitly set using SetDisplayName(), this function returns
   // that display name. Otherwise returns the final target filename.
   virtual FilePath GetFileNameToReportUser() const = 0;
 
   // Set a display name for the download that will be independent of the target
   // filename. If |name| is not empty, then GetFileNameToReportUser() will
   // return |name|. Has no effect on the final target filename.
   virtual void SetDisplayName(const FilePath& name) = 0;
 
   // Returns the user-verified target file path for the download.
   // This returns the same path as GetTargetFilePath() for safe downloads
   // but does not for dangerous downloads until the name is verified.
   virtual FilePath GetUserVerifiedFilePath() const = 0;
 
   virtual std::string DebugString(bool verbose) const = 0;
 
   virtual void MockDownloadOpenForTesting() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_DOWNLOAD_ITEM_H_