src/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_export.h"
  18
  19 class Pickle;
  20
  21 #if defined(OS_MACOSX)
  22 #ifdef __OBJC__
  23 @class NSString;
  24 #else
  25 class NSString;
  26 #endif
  27 #endif  // defined(OS_MACOSX)
  28
  29 namespace ui {
  30
  31 #if defined(OS_MACOSX)
  32 UI_EXPORT extern NSString* const kWebCustomDataPboardType;
  33 #elif (!defined(OS_WIN) && defined(USE_AURA)) || defined(TOOLKIT_GTK)
  34 UI_EXPORT extern const char kMimeTypeWebCustomData[];
  35 #endif
  36
  37 UI_EXPORT void ReadCustomDataTypes(const void* data,
  38                                    size_t data_length,
  39                                    std::vector<string16>* types);
  40 UI_EXPORT void ReadCustomDataForType(const void* data,
  41                                      size_t data_length,
  42                                      const string16& type,
  43                                      string16* result);
  44 UI_EXPORT void ReadCustomDataIntoMap(const void* data,
  45                                      size_t data_length,
  46                                      std::map<string16, string16>* result);
  47
  48 UI_EXPORT void WriteCustomDataToPickle(const std::map<string16, string16>& data,
  49                                        Pickle* pickle);
  50
  51 }  // namespace ui
  52
  53 #endif  // UI_BASE_CLIPBOARD_CLIPBOARD_H_