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
19class Pickle;
20
21#if defined(OS_MACOSX)
22#ifdef __OBJC__
23@class NSString;
24#else
25class NSString;
26#endif
27#endif  // defined(OS_MACOSX)
28
29namespace ui {
30
31#if defined(OS_MACOSX) && !defined(USE_AURA)
32UI_BASE_EXPORT extern NSString* const kWebCustomDataPboardType;
33#elif !defined(OS_WIN) && defined(USE_AURA)
34UI_BASE_EXPORT extern const char kMimeTypeWebCustomData[];
35#endif
36
37UI_BASE_EXPORT void ReadCustomDataTypes(const void* data,
38                                        size_t data_length,
39                                        std::vector<base::string16>* types);
40UI_BASE_EXPORT void ReadCustomDataForType(const void* data,
41                                          size_t data_length,
42                                          const base::string16& type,
43                                          base::string16* result);
44UI_BASE_EXPORT void ReadCustomDataIntoMap(
45    const void* data,
46    size_t data_length,
47    std::map<base::string16, base::string16>* result);
48
49UI_BASE_EXPORT void WriteCustomDataToPickle(
50    const std::map<base::string16, base::string16>& data,
51    Pickle* pickle);
52
53}  // namespace ui
54
55#endif  // UI_BASE_CLIPBOARD_CLIPBOARD_H_
56