summaryrefslogtreecommitdiffstats
path: root/dom/base/MultipartBlobImpl.h
blob: 9fb88183b52e68b020b726874c022cd165f21623 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_MultipartBlobImpl_h
#define mozilla_dom_MultipartBlobImpl_h

#include "mozilla/Attributes.h"
#include "mozilla/CheckedInt.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/Move.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/BlobBinding.h"
#include "mozilla/dom/FileBinding.h"
#include <algorithm>
#include "nsPIDOMWindow.h"

namespace mozilla {
namespace dom {

class MultipartBlobImpl final : public BlobImplBase
{
public:
  NS_DECL_ISUPPORTS_INHERITED

  // Create as a file
  static already_AddRefed<MultipartBlobImpl>
  Create(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,
         const nsAString& aName,
         const nsAString& aContentType,
         ErrorResult& aRv);

  // Create as a blob
  static already_AddRefed<MultipartBlobImpl>
  Create(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,
         const nsAString& aContentType,
         ErrorResult& aRv);

  // Create as a file to be later initialized
  explicit MultipartBlobImpl(const nsAString& aName)
    : BlobImplBase(aName, EmptyString(), UINT64_MAX),
      mIsFromNsIFile(false)
  {
  }

  // Create as a blob to be later initialized
  MultipartBlobImpl()
    : BlobImplBase(EmptyString(), UINT64_MAX),
      mIsFromNsIFile(false)
  {
  }

  void InitializeBlob(ErrorResult& aRv);

  void InitializeBlob(JSContext* aCx,
                      const Sequence<Blob::BlobPart>& aData,
                      const nsAString& aContentType,
                      bool aNativeEOL,
                      ErrorResult& aRv);

  void InitializeChromeFile(Blob& aData,
                            const ChromeFilePropertyBag& aBag,
                            ErrorResult& aRv);

  void InitializeChromeFile(nsPIDOMWindowInner* aWindow,
                            const nsAString& aData,
                            const ChromeFilePropertyBag& aBag,
                            ErrorResult& aRv);

  void InitializeChromeFile(nsPIDOMWindowInner* aWindow,
                            nsIFile* aData,
                            const ChromeFilePropertyBag& aBag,
                            bool aIsFromNsIFile,
                            ErrorResult& aRv);

  virtual already_AddRefed<BlobImpl>
  CreateSlice(uint64_t aStart, uint64_t aLength,
              const nsAString& aContentType,
              ErrorResult& aRv) override;

  virtual uint64_t GetSize(ErrorResult& aRv) override
  {
    return mLength;
  }

  virtual void GetInternalStream(nsIInputStream** aInputStream,
                                 ErrorResult& aRv) override;

  virtual const nsTArray<RefPtr<BlobImpl>>* GetSubBlobImpls() const override
  {
    return mBlobImpls.Length() ? &mBlobImpls : nullptr;
  }

  virtual void GetMozFullPathInternal(nsAString& aFullPath,
                                      ErrorResult& aRv) const override;

  virtual nsresult
  SetMutable(bool aMutable) override;

  void SetName(const nsAString& aName)
  {
    mName = aName;
  }

  virtual bool MayBeClonedToOtherThreads() const override;

protected:
  MultipartBlobImpl(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,
                    const nsAString& aName,
                    const nsAString& aContentType)
    : BlobImplBase(aName, aContentType, UINT64_MAX),
      mBlobImpls(Move(aBlobImpls)),
      mIsFromNsIFile(false)
  {
  }

  MultipartBlobImpl(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,
                    const nsAString& aContentType)
    : BlobImplBase(aContentType, UINT64_MAX),
      mBlobImpls(Move(aBlobImpls)),
      mIsFromNsIFile(false)
  {
  }

  virtual ~MultipartBlobImpl() {}

  void SetLengthAndModifiedDate(ErrorResult& aRv);

  nsTArray<RefPtr<BlobImpl>> mBlobImpls;
  bool mIsFromNsIFile;
};

} // dom namespace
} // mozilla namespace

#endif // mozilla_dom_MultipartBlobImpl_h