Makes the download shelf auto-close after the user opens all downloads

chrome/browser/download/download_item.h

 // Copyright (c) 2010 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 87 matching lines @@
 
   // Registers this file extension for automatic opening upon download
   // completion if 'open' is true, or prevents the extension from automatic
   // opening if 'open' is false.
   void OpenFilesBasedOnExtension(bool open);
 
   // Open the file associated with this download (wait for the download to
   // complete if it is in progress).
   void OpenDownload();
 
+  // Callback from the DownloadManager when the item is opened. Sets opened_
+  // to true and notifies observers.
+  void Opened();
+
   // Show the download via the OS shell.
   void ShowDownloadInShell();
 
   // Called when the user has validated the download of a dangerous file.
   void DangerousDownloadValidated();
 
   // Received a new chunk of data
   void Update(int64 bytes_so_far);
 
   // Cancel the download operation. We need to distinguish between cancels at
@@ skipping 69 matching lines @@
   FilePath original_name() const { return original_name_; }
   bool save_as() const { return save_as_; }
   bool is_otr() const { return is_otr_; }
   bool is_extension_install() const { return is_extension_install_; }
   bool name_finalized() const { return name_finalized_; }
   bool is_temporary() const { return is_temporary_; }
   bool need_final_rename() const { return need_final_rename_; }
   void set_need_final_rename(bool need_final_rename) {
     need_final_rename_ = need_final_rename;
   }
+  void set_opened(bool opened) { opened_ = opened; }
+  bool opened() const { return opened_; }
 
   // Returns the file-name that should be reported to the user, which is
   // file_name_ for safe downloads and original_name_ for dangerous ones with
   // the uniquifier number.
   FilePath GetFileName() const;
 
  private:
   void Init(bool start_timer);
 
   // Internal helper for maintaining consistent received and total sizes.
@@ skipping 90 matching lines @@
 
   // True if the filename is finalized.
   bool name_finalized_;
 
   // True if the item was downloaded temporarily.
   bool is_temporary_;
 
   // True if the file needs final rename.
   bool need_final_rename_;
 
+  // Did the user open the item either directly or indirectly (such as by
+  // setting always open files of this type)? The shelf also sets this field
+  // when the user closes the shelf before the item has been opened but should
+  // be treated as though the user opened it.
+  bool opened_;
+
   DISALLOW_COPY_AND_ASSIGN(DownloadItem);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_H_