extensions/browser/content_verifier_io_data.h

   1 // Copyright 2014 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 EXTENSIONS_BROWSER_CONTENT_VERIFIER_IO_DATA_H_
   6 #define EXTENSIONS_BROWSER_CONTENT_VERIFIER_IO_DATA_H_
   7
   8 #include <map>
   9 #include <set>
  10 #include <string>
  11
  12 #include "base/files/file_path.h"
  13 #include "base/memory/linked_ptr.h"
  14 #include "base/memory/ref_counted.h"
  15 #include "base/memory/scoped_ptr.h"
  16 #include "base/version.h"
  17
  18 namespace extensions {
  19
  20 // A helper class for keeping track of data for the ContentVerifier that should
  21 // only be accessed on the IO thread.
  22 class ContentVerifierIOData
  23     : public base::RefCountedThreadSafe<ContentVerifierIOData> {
  24  public:
  25   struct ExtensionData {
  26     std::set<base::FilePath> browser_image_paths;
  27     base::Version version;
  28
  29     ExtensionData(const std::set<base::FilePath>& browser_image_paths,
  30                   const base::Version& version);
  31     ~ExtensionData();
  32   };
  33
  34   ContentVerifierIOData();
  35
  36   void AddData(const std::string& extension_id, scoped_ptr<ExtensionData> data);
  37   void RemoveData(const std::string& extension_id);
  38   void Clear();
  39
  40   // This should be called on the IO thread, and the return value should not
  41   // be retained or used on other threads.
  42   const ExtensionData* GetData(const std::string& extension_id);
  43
  44  protected:
  45   friend class base::RefCountedThreadSafe<ContentVerifierIOData>;
  46   virtual ~ContentVerifierIOData();
  47
  48   std::map<std::string, linked_ptr<ExtensionData> > data_map_;
  49 };
  50
  51 }  // namespace extensions
  52
  53 #endif  // EXTENSIONS_BROWSER_CONTENT_VERIFIER_IO_DATA_H_