chrome/utility/chrome_content_utility_client.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 CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_
   6 #define CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_
   7
   8 #include <set>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/compiler_specific.h"
  13 #include "base/memory/scoped_vector.h"
  14 #include "content/public/utility/content_utility_client.h"
  15 #include "ipc/ipc_platform_file.h"
  16
  17 namespace base {
  18 class FilePath;
  19 struct FileDescriptor;
  20 }
  21
  22 class UtilityMessageHandler;
  23
  24 class ChromeContentUtilityClient : public content::ContentUtilityClient {
  25  public:
  26   ChromeContentUtilityClient();
  27   virtual ~ChromeContentUtilityClient();
  28
  29   void UtilityThreadStarted() override;
  30   bool OnMessageReceived(const IPC::Message& message) override;
  31
  32   static void PreSandboxStartup();
  33
  34   // Shared with extensions::ExtensionsHandler.
  35   static SkBitmap DecodeImage(const std::vector<unsigned char>& encoded_data,
  36                               bool shrink_to_fit);
  37   static void DecodeImageAndSend(const std::vector<unsigned char>& encoded_data,
  38                                  bool shrink_to_fit);
  39
  40   static void set_max_ipc_message_size_for_test(int64_t max_message_size) {
  41     max_ipc_message_size_ = max_message_size;
  42   }
  43
  44  private:
  45   // IPC message handlers.
  46   void OnUnpackWebResource(const std::string& resource_data);
  47   void OnDecodeImage(const std::vector<unsigned char>& encoded_data,
  48                      bool shrink_to_fit);
  49   void OnRobustJPEGDecodeImage(
  50       const std::vector<unsigned char>& encoded_data);
  51
  52 #if defined(OS_CHROMEOS)
  53   void OnCreateZipFile(const base::FilePath& src_dir,
  54                        const std::vector<base::FilePath>& src_relative_paths,
  55                        const base::FileDescriptor& dest_fd);
  56 #endif  // defined(OS_CHROMEOS)
  57
  58   void OnPatchFileBsdiff(const base::FilePath& input_file,
  59                          const base::FilePath& patch_file,
  60                          const base::FilePath& output_file);
  61   void OnPatchFileCourgette(const base::FilePath& input_file,
  62                             const base::FilePath& patch_file,
  63                             const base::FilePath& output_file);
  64   void OnStartupPing();
  65 #if defined(FULL_SAFE_BROWSING)
  66   void OnAnalyzeZipFileForDownloadProtection(
  67       const IPC::PlatformFileForTransit& zip_file);
  68 #endif
  69 #if defined(ENABLE_EXTENSIONS)
  70   void OnParseMediaMetadata(const std::string& mime_type,
  71                             int64 total_size,
  72                             bool get_attached_images);
  73 #endif
  74
  75   typedef ScopedVector<UtilityMessageHandler> Handlers;
  76   Handlers handlers_;
  77
  78   // Flag to enable whitelisting.
  79   bool filter_messages_;
  80   // A list of message_ids to filter.
  81   std::set<int> message_id_whitelist_;
  82   // Maximum IPC msg size (default to kMaximumMessageSize; override for testing)
  83   static int64_t max_ipc_message_size_;
  84
  85   DISALLOW_COPY_AND_ASSIGN(ChromeContentUtilityClient);
  86 };
  87
  88 #endif  // CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_