Preliminary work on resuming downloads whose connections have expired.

chrome/browser/automation/automation_provider_observers.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.
 
 #ifndef CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_
 #define CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 645 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(AutomationProviderBookmarkModelObserver);
 };
 
 // Allows the automation provider to wait for all downloads to finish.
 class AutomationProviderDownloadItemObserver : public DownloadItem::Observer {
  public:
   AutomationProviderDownloadItemObserver(
       AutomationProvider* provider,
       IPC::Message* reply_message,
-      int downloads) {
-    provider_ = provider;
-    reply_message_ = reply_message;
-    downloads_ = downloads;
+      int downloads)
+      : provider_(provider),
+        reply_message_(reply_message),
+        downloads_(downloads),
+        interrupted_(false) {
   }
   virtual ~AutomationProviderDownloadItemObserver() {}
 
-  virtual void OnDownloadUpdated(DownloadItem* download) { }
+  virtual void OnDownloadUpdated(DownloadItem* download);
   virtual void OnDownloadFileCompleted(DownloadItem* download);
   virtual void OnDownloadOpened(DownloadItem* download) { }
+  virtual void OnDownloadInterrupted(DownloadItem* download);
 
  private:
+  void RemoveAndCleanupOnLastEntry(DownloadItem* download);
+
   AutomationProvider* provider_;
   IPC::Message* reply_message_;
   int downloads_;
+  bool interrupted_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationProviderDownloadItemObserver);
 };
 
 // Allows the automation provider to wait until the download has been updated
 // or opened.
 class AutomationProviderDownloadUpdatedObserver
     : public DownloadItem::Observer {
  public:
   AutomationProviderDownloadUpdatedObserver(
       AutomationProvider* provider,
       IPC::Message* reply_message,
       bool wait_for_open)
     : provider_(provider),
       reply_message_(reply_message),
       wait_for_open_(wait_for_open) {}
 
   virtual void OnDownloadUpdated(DownloadItem* download);
   virtual void OnDownloadOpened(DownloadItem* download);
   virtual void OnDownloadFileCompleted(DownloadItem* download) { }
+  virtual void OnDownloadInterrupted(DownloadItem* download) { }
 
  private:
   AutomationProvider* provider_;
   IPC::Message* reply_message_;
   bool wait_for_open_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationProviderDownloadUpdatedObserver);
 };
 
 // Allows the automation provider to wait until the download model has changed
@@ skipping 145 matching lines @@
 
  private:
   NotificationRegistrar registrar_;
   AutomationProvider* automation_;
   IPC::Message* reply_message_;
 
   DISALLOW_COPY_AND_ASSIGN(SavePackageNotificationObserver);
 };
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_