Implement chrome.experimental.downloads.search()

content/browser/download/download_manager.cc

 // 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.
 
 #include "content/browser/download/download_manager.h"
 
 #include <iterator>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/i18n/case_conversion.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/stringprintf.h"
 #include "base/synchronization/lock.h"
 #include "base/sys_string_conversions.h"
 #include "base/task.h"
 #include "build/build_config.h"
 #include "content/browser/browser_context.h"
 #include "content/browser/browser_thread.h"
 #include "content/browser/content_browser_client.h"
 #include "content/browser/download/download_create_info.h"
 #include "content/browser/download/download_file_manager.h"
 #include "content/browser/download/download_item.h"
 #include "content/browser/download/download_manager_delegate.h"
 #include "content/browser/download/download_persistent_store_info.h"
+#include "content/browser/download/download_query.h"
 #include "content/browser/download/download_status_updater.h"
 #include "content/browser/renderer_host/render_process_host.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/resource_dispatcher_host.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/common/content_notification_types.h"
 #include "content/common/notification_service.h"
 
 namespace {
 
@@ skipping 127 matching lines @@
   DCHECK(result);
 
   for (DownloadMap::iterator it = history_downloads_.begin();
        it != history_downloads_.end(); ++it) {
     if (!it->second->is_temporary() &&
         (dir_path.empty() || it->second->full_path().DirName() == dir_path))
       result->push_back(it->second);
   }
 }
 
+bool DownloadManager::Search(const download_util::DownloadQuery& query,
+                             std::string* error_msg,
+                             DownloadVector* results,
+                             base::ListValue* json_results) const {
+  DownloadVector default_results;
+  if (results== NULL)
+    results = &default_results;
+  results->clear();

[cbentzel, 2011/10/10 14:35:30]

How big is this? Is downloads_ unbounded?

[benjhayden, 2011/10/13 14:07:34]

AFAIK yes.

+  for (DownloadSet::const_iterator it = downloads_.begin();
+       it != downloads_.end(); ++it) {
+    results->push_back(*it);
+  }
+  return query.Search(results, error_msg, json_results);
+}
+
 void DownloadManager::SearchDownloads(const string16& query,
                                       DownloadVector* result) {
   string16 query_lower(base::i18n::ToLower(query));
 
   for (DownloadMap::iterator it = history_downloads_.begin();
        it != history_downloads_.end(); ++it) {
     DownloadItem* download_item = it->second;
 
     if (download_item->is_temporary())
       continue;
@@ skipping 876 matching lines @@
     DCHECK(ContainsKey(save_page_downloads_, download->id()));
     save_page_downloads_.erase(download->id());
 
     if (download->IsComplete())
       NotificationService::current()->Notify(
           content::NOTIFICATION_SAVE_PACKAGE_SUCCESSFULLY_FINISHED,
           Source<DownloadManager>(this),
           Details<DownloadItem>(download));
   }
 }