FileAPI: Move OpenFileSystem into SandboxContext

webkit/browser/fileapi/sandbox_context.h

 // Copyright 2013 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 WEBKIT_BROWSER_FILEAPI_SANDBOX_CONTEXT_H_
 #define WEBKIT_BROWSER_FILEAPI_SANDBOX_CONTEXT_H_
 
 #include <set>
 #include <string>
 #include <utility>
 
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "base/time/time.h"
 #include "webkit/browser/fileapi/file_system_backend.h"
 #include "webkit/browser/fileapi/file_system_options.h"
 #include "webkit/browser/fileapi/file_system_quota_util.h"
 #include "webkit/browser/webkit_storage_browser_export.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace quota {
 class QuotaManagerProxy;
 class SpecialStoragePolicy;
 }
 
 namespace fileapi {
 
 class AsyncFileUtilAdapter;
 class FileSystemURL;
 class FileSystemUsageCache;
 class ObfuscatedFileUtil;
 class SandboxFileSystemBackend;
 class SandboxFileSystemTestHelper;
 class SandboxQuotaObserver;
 
 // This class keeps and provides a sandbox file system context.
 // An instance of this class is created and owned by FileSystemContext.
 class WEBKIT_STORAGE_BROWSER_EXPORT SandboxContext {
  public:
+  typedef FileSystemBackend::OpenFileSystemCallback OpenFileSystemCallback;
+
   // The FileSystem directory name.
   static const base::FilePath::CharType kFileSystemDirectory[];
 
   // Origin enumerator interface.
   // An instance of this interface is assumed to be called on the file thread.
   class OriginEnumerator {
    public:
     virtual ~OriginEnumerator() {}
 
     // Returns the next origin.  Returns empty if there are no more origins.
@@ skipping 28 matching lines @@
   // specified by |origin_url| and |type|.
   // (The path is similar to the origin's root path but doesn't contain
   // the 'unique' part.)
   // Returns an empty path if the given type is invalid.
   // This method can only be called on the file thread.
   base::FilePath GetBaseDirectoryForOriginAndType(
       const GURL& origin_url,
       FileSystemType type,
       bool create);
 
+  // FileSystemBackend helpers.
+  void OpenFileSystem(
+      const GURL& origin_url,
+      FileSystemType type,
+      OpenFileSystemMode mode,
+      const OpenFileSystemCallback& callback,
+      const GURL& root_url);
+
   // FileSystemQuotaUtil helpers.
   base::PlatformFileError DeleteOriginDataOnFileThread(
       FileSystemContext* context,
       quota::QuotaManagerProxy* proxy,
       const GURL& origin_url,
       FileSystemType type);
   void GetOriginsForTypeOnFileThread(
       FileSystemType type,
       std::set<GURL>* origins);
   void GetOriginsForHostOnFileThread(
       FileSystemType type,
       const std::string& host,
       std::set<GURL>* origins);
   int64 GetOriginUsageOnFileThread(
       FileSystemContext* context,
       const GURL& origin_url,
       FileSystemType type);
   void InvalidateUsageCache(
       const GURL& origin_url,
       FileSystemType type);
   void StickyInvalidateUsageCache(
       const GURL& origin_url,
       FileSystemType type);
 
+  void CollectOpenFileSystemMetrics(base::PlatformFileError error_code);
+
   base::SequencedTaskRunner* file_task_runner() {
     return file_task_runner_.get();
   }
 
   AsyncFileUtilAdapter* file_util() { return sandbox_file_util_.get(); }
   FileSystemUsageCache* usage_cache() { return file_system_usage_cache_.get(); }
   SandboxQuotaObserver* quota_observer() { return quota_observer_.get(); };
 
   quota::SpecialStoragePolicy* special_storage_policy() {
     return special_storage_policy_.get();
@@ skipping 31 matching lines @@
 
   scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy_;
 
   FileSystemOptions file_system_options_;
 
   // Acccessed only on the file thread.
   std::set<GURL> visited_origins_;
 
   std::set<std::pair<GURL, FileSystemType> > sticky_dirty_origins_;
 
+  base::Time next_release_time_for_open_filesystem_stat_;
+
+  base::WeakPtrFactory<SandboxContext> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(SandboxContext);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_BROWSER_FILEAPI_SANDBOX_CONTEXT_H_