ui/base/clipboard/custom_data_helper.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 // Due to restrictions of most operating systems, we don't directly map each
   6 // type of custom data to a native data transfer type. Instead, we serialize
   7 // each key-value pair into the pickle as a pair of string objects, and then
   8 // write the binary data in the pickle to the native data transfer object.
   9
  10 #ifndef UI_BASE_CLIPBOARD_CUSTOM_DATA_HELPER_H_
  11 #define UI_BASE_CLIPBOARD_CUSTOM_DATA_HELPER_H_
  12
  13 #include <map>
  14 #include <vector>
  15
  16 #include "base/strings/string16.h"
  17 #include "ui/base/ui_base_export.h"
  18
  19 namespace base {
  20 class Pickle;
  21 }
  22
  23 #if defined(OS_MACOSX)
  24 #ifdef __OBJC__
  25 @class NSString;
  26 #else
  27 class NSString;
  28 #endif
  29 #endif  // defined(OS_MACOSX)
  30
  31 namespace ui {
  32
  33 #if defined(OS_MACOSX) && !defined(USE_AURA)
  34 UI_BASE_EXPORT extern NSString* const kWebCustomDataPboardType;
  35 #elif !defined(OS_WIN) && defined(USE_AURA)
  36 UI_BASE_EXPORT extern const char kMimeTypeWebCustomData[];
  37 #endif
  38
  39 UI_BASE_EXPORT void ReadCustomDataTypes(const void* data,
  40                                         size_t data_length,
  41                                         std::vector<base::string16>* types);
  42 UI_BASE_EXPORT void ReadCustomDataForType(const void* data,
  43                                           size_t data_length,
  44                                           const base::string16& type,
  45                                           base::string16* result);
  46 UI_BASE_EXPORT void ReadCustomDataIntoMap(
  47     const void* data,
  48     size_t data_length,
  49     std::map<base::string16, base::string16>* result);
  50
  51 UI_BASE_EXPORT void WriteCustomDataToPickle(
  52     const std::map<base::string16, base::string16>& data,
  53     base::Pickle* pickle);
  54
  55 }  // namespace ui
  56
  57 #endif  // UI_BASE_CLIPBOARD_CLIPBOARD_H_