[FileManager] Do drive search incrementally

chrome/browser/chromeos/gdata/gdata_operations.cc

Index: chrome/browser/chromeos/gdata/gdata_operations.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_operations.cc b/chrome/browser/chromeos/gdata/gdata_operations.cc
index e0057eb392b823f9288ef945bfcda7c37497b55f..6277c4160a5c312a6fa8621c1277e5371de8f4ce 100644
--- a/chrome/browser/chromeos/gdata/gdata_operations.cc
+++ b/chrome/browser/chromeos/gdata/gdata_operations.cc
@@ -57,8 +57,10 @@ const char kUploadContentLength[] = "X-Upload-Content-Length: ";
 // almost always. Be careful not to use something too small on account that
 // have many items because server side 503 error might kick in.
 const int kMaxDocumentsPerFeed = 1000;
+const int kMaxDocumentsPerSearchFeed = 100;

[satorux1, 2012/07/20 17:13:04]

why 100? I think most users only see the first 10 search results or so. Maybe 10
would be sufficient?

[tbarzic, 2012/07/20 17:51:43]

I'd like to reduce number of server requests; 10 would probably produce more 503
errors :)

how about 50

[satorux1, 2012/07/20 17:55:56]

oh i see, then 100 is fine.

 #else
 const int kMaxDocumentsPerFeed = 1000;
+const int kMaxDocumentsPerSearchFeed = 100;
 #endif
 
 const char kFeedField[] = "feed";
@@ -159,15 +161,18 @@ void GetDocumentsOperation::SetUrl(const GURL& url) {
 }
 
 GURL GetDocumentsOperation::GetURL() const {
+  int max_docs = search_string_.empty() ? kMaxDocumentsPerFeed :
+                                          kMaxDocumentsPerSearchFeed;
+
   if (!override_url_.is_empty())
     return AddFeedUrlParams(override_url_,
-                            kMaxDocumentsPerFeed,
+                            max_docs,
                             0,
-                            std::string());
+                            search_string_);
 
   if (start_changestamp_ == 0) {
     return AddFeedUrlParams(FormatDocumentListURL(directory_resource_id_),
-                            kMaxDocumentsPerFeed,
+                            max_docs,
                             0,
                             search_string_);
   }