Modify the behavior of cancel button in syncing status to cancel all jobs.

chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc

Index: chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc
diff --git a/chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc b/chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc
index 2b1b9c3301c9f888e3f08e85c858f707bf7277e2..aaf570f8e56af16bd5247d8aceb1f3432e6c0f87 100644
--- a/chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc
+++ b/chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc
@@ -571,41 +571,37 @@ bool FileManagerPrivateCancelFileTransfersFunction::RunAsync() {
   DCHECK(job_list);
   std::vector<drive::JobInfo> jobs = job_list->GetJobInfoList();
 
-  typedef std::map<base::FilePath, std::vector<drive::JobID> > PathToIdMap;
-  PathToIdMap path_to_id_map;
-  for (size_t i = 0; i < jobs.size(); ++i) {
-    if (drive::IsActiveFileTransferJobInfo(jobs[i]))
-      path_to_id_map[jobs[i].file_path].push_back(jobs[i].job_id);
-  }
+  // If params->file_urls are empty, cancel all jobs.
+  if (params->file_urls.size() == 0) {
+    for (size_t i = 0; i < jobs.size(); ++i) {
+      if (drive::IsActiveFileTransferJobInfo(jobs[i]))
+        job_list->CancelJob(jobs[i].job_id);
+    }
+  } else {

[kinaba, 2014/09/18 05:39:16]

The "// Create the mapping from file path to job ID." comment above should be
moved here.

[iseki, 2014/09/18 05:45:44]

Done.

+    typedef std::map<base::FilePath, std::vector<drive::JobID> > PathToIdMap;
+    PathToIdMap path_to_id_map;
+    for (size_t i = 0; i < jobs.size(); ++i) {
+      if (drive::IsActiveFileTransferJobInfo(jobs[i]))
+        path_to_id_map[jobs[i].file_path].push_back(jobs[i].job_id);
+    }
 
-  // Cancel by Job ID.
-  std::vector<linked_ptr<api::file_manager_private::
-                         FileTransferCancelStatus> > responses;
-  for (size_t i = 0; i < params->file_urls.size(); ++i) {
-    base::FilePath file_path = file_manager::util::GetLocalPathFromURL(
-        render_view_host(), GetProfile(), GURL(params->file_urls[i]));
-    if (file_path.empty())
-      continue;
-
-    DCHECK(drive::util::IsUnderDriveMountPoint(file_path));
-    file_path = drive::util::ExtractDrivePath(file_path);
-
-    // Cancel all the jobs for the file.
-    PathToIdMap::iterator it = path_to_id_map.find(file_path);
-    if (it != path_to_id_map.end()) {
-      for (size_t i = 0; i < it->second.size(); ++i)
-        job_list->CancelJob(it->second[i]);
+    for (size_t i = 0; i < params->file_urls.size(); ++i) {
+      base::FilePath file_path = file_manager::util::GetLocalPathFromURL(
+          render_view_host(), GetProfile(), GURL(params->file_urls[i]));
+      if (file_path.empty())
+        continue;
+
+      DCHECK(drive::util::IsUnderDriveMountPoint(file_path));
+      file_path = drive::util::ExtractDrivePath(file_path);
+
+      // Cancel all the jobs for the file.
+      PathToIdMap::iterator it = path_to_id_map.find(file_path);
+      if (it != path_to_id_map.end()) {
+        for (size_t i = 0; i < it->second.size(); ++i)
+          job_list->CancelJob(it->second[i]);
+      }
     }
-    linked_ptr<api::file_manager_private::FileTransferCancelStatus> result(
-        new api::file_manager_private::FileTransferCancelStatus);
-    result->canceled = it != path_to_id_map.end();
-    // TODO(kinaba): simplify cancelFileTransfer() to take single URL each time,
-    // and eliminate this field; it is just returning a copy of the argument.
-    result->file_url = params->file_urls[i];
-    responses.push_back(result);
   }
-  results_ = api::file_manager_private::CancelFileTransfers::Results::Create(
-      responses);
   SendResponse(true);
   return true;
 }