content/public/browser/indexed_db_context.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_PUBLIC_BROWSER_INDEXED_DB_CONTEXT_H_
   6 #define CONTENT_PUBLIC_BROWSER_INDEXED_DB_CONTEXT_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/basictypes.h"
  12 #include "base/files/file_path.h"
  13 #include "base/memory/ref_counted.h"
  14 #include "content/common/content_export.h"
  15 #include "content/public/browser/indexed_db_info.h"
  16
  17 namespace base {
  18 class SequencedTaskRunner;
  19 }
  20
  21 namespace content {
  22
  23 // Represents the per-BrowserContext IndexedDB data.
  24 // Call these methods only via the exposed TaskRunner.
  25 class IndexedDBContext : public base::RefCountedThreadSafe<IndexedDBContext> {
  26  public:
  27   // Only call the below methods by posting to this TaskRunner.
  28   virtual base::SequencedTaskRunner* TaskRunner() const = 0;
  29
  30   // Methods used in response to QuotaManager requests.
  31   virtual std::vector<IndexedDBInfo> GetAllOriginsInfo() = 0;
  32   virtual int64 GetOriginDiskUsage(const GURL& origin_url) = 0;
  33
  34   // Deletes all indexed db files for the given origin.
  35   virtual void DeleteForOrigin(const GURL& origin_url) = 0;
  36
  37   // Copies the indexed db files from this context to another. The
  38   // indexed db directory in the destination context needs to be empty.
  39   virtual void CopyOriginData(const GURL& origin_url,
  40                               IndexedDBContext* dest_context) = 0;
  41
  42   // Get the file name of the local storage file for the given origin.
  43   virtual base::FilePath GetFilePathForTesting(
  44       const std::string& origin_id) const = 0;
  45   // Set the task runner for tests if browser main loop is not initialized.
  46   virtual void SetTaskRunnerForTesting(
  47       base::SequencedTaskRunner* task_runner) = 0;
  48
  49  protected:
  50   friend class base::RefCountedThreadSafe<IndexedDBContext>;
  51   virtual ~IndexedDBContext() {}
  52 };
  53
  54 }  // namespace content
  55
  56 #endif  // CONTENT_PUBLIC_BROWSER_INDEXED_DB_CONTEXT_H_