Allowing multiple SaveItems to have same URLs.

content/browser/download/save_file_resource_handler.cc

 // 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.
 
 #include "content/browser/download/save_file_resource_handler.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "content/browser/download/save_file_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/io_buffer.h"
 #include "net/url_request/redirect_info.h"
 #include "net/url_request/url_request_status.h"
 
 namespace content {
 
 SaveFileResourceHandler::SaveFileResourceHandler(net::URLRequest* request,
+                                                 int save_item_id,
                                                  int save_package_id,
                                                  int render_process_host_id,
                                                  int render_frame_routing_id,
                                                  const GURL& url,
                                                  SaveFileManager* manager)
     : ResourceHandler(request),
-      save_id_(-1),
+      save_item_id_(save_item_id),
       save_package_id_(save_package_id),
       render_process_id_(render_process_host_id),
       render_frame_routing_id_(render_frame_routing_id),
       url_(url),
       content_length_(0),
       save_manager_(manager) {}
 
 SaveFileResourceHandler::~SaveFileResourceHandler() {
 }
 
 bool SaveFileResourceHandler::OnRequestRedirected(
     const net::RedirectInfo& redirect_info,
     ResourceResponse* response,
     bool* defer) {
   final_url_ = redirect_info.new_url;
   return true;
 }
 
 bool SaveFileResourceHandler::OnResponseStarted(ResourceResponse* response,
                                                 bool* defer) {
-  save_id_ = save_manager_->GetNextId();
   // |save_manager_| consumes (deletes):
-  SaveFileCreateInfo* info = new SaveFileCreateInfo;
-  info->url = url_;
-  info->final_url = final_url_;
-  info->total_bytes = content_length_;
-  info->save_id = save_id_;
-  info->save_package_id = save_package_id_;
-  info->render_process_id = render_process_id_;
-  info->render_frame_routing_id = render_frame_routing_id_;
-  info->request_id = GetRequestID();
-  info->content_disposition = content_disposition_;
-  info->save_source = SaveFileCreateInfo::SAVE_FILE_FROM_NET;
+  SaveFileCreateInfo* info = new SaveFileCreateInfo(
+      url_, final_url_, save_item_id_, save_package_id_, render_process_id_,
+      render_frame_routing_id_, GetRequestID(), content_disposition_,
+      content_length_);
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
       base::Bind(&SaveFileManager::StartSave, save_manager_, info));
   return true;
 }
 
 bool SaveFileResourceHandler::OnWillStart(const GURL& url, bool* defer) {
   return true;
 }
 
@@ skipping 14 matching lines @@
   return true;
 }
 
 bool SaveFileResourceHandler::OnReadCompleted(int bytes_read, bool* defer) {
   DCHECK(read_buffer_.get());
   // We are passing ownership of this buffer to the save file manager.
   scoped_refptr<net::IOBuffer> buffer;
   read_buffer_.swap(buffer);
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
-      base::Bind(&SaveFileManager::UpdateSaveProgress,
-          save_manager_, save_id_, buffer, bytes_read));
+      base::Bind(&SaveFileManager::UpdateSaveProgress, save_manager_,
+                 save_item_id_, buffer, bytes_read));
   return true;
 }
 
 void SaveFileResourceHandler::OnResponseCompleted(
     const net::URLRequestStatus& status,
     const std::string& security_info,
     bool* defer) {
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
-      base::Bind(&SaveFileManager::SaveFinished, save_manager_, save_id_, url_,
+      base::Bind(&SaveFileManager::SaveFinished, save_manager_, save_item_id_,
                  save_package_id_,
                  status.is_success() && !status.is_io_pending()));
   read_buffer_ = NULL;
 }
 
 void SaveFileResourceHandler::OnDataDownloaded(int bytes_downloaded) {
   NOTREACHED();
 }
 
 void SaveFileResourceHandler::set_content_length(
     const std::string& content_length) {
   base::StringToInt64(content_length, &content_length_);
 }
 
 }  // namespace content