summaryrefslogtreecommitdiff
path: root/parser/html/nsHtml5SpeculativeLoad.cpp
blob: 8ffc4d063a3f343f4e482873fe410c199ce156e6 (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
/* 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/. */

#include "nsHtml5SpeculativeLoad.h"
#include "nsHtml5TreeOpExecutor.h"

nsHtml5SpeculativeLoad::nsHtml5SpeculativeLoad()
#ifdef DEBUG
 : mOpCode(eSpeculativeLoadUninitialized)
#endif
{
  MOZ_COUNT_CTOR(nsHtml5SpeculativeLoad);
}

nsHtml5SpeculativeLoad::~nsHtml5SpeculativeLoad()
{
  MOZ_COUNT_DTOR(nsHtml5SpeculativeLoad);
  NS_ASSERTION(mOpCode != eSpeculativeLoadUninitialized,
               "Uninitialized speculative load.");
}

void
nsHtml5SpeculativeLoad::Perform(nsHtml5TreeOpExecutor* aExecutor)
{
  switch (mOpCode) {
    case eSpeculativeLoadBase:
      aExecutor->SetSpeculationBase(mUrl);
      break;
    case eSpeculativeLoadCSP:
      aExecutor->AddSpeculationCSP(mMetaCSP);
      break;
    case eSpeculativeLoadMetaReferrer:
      aExecutor->SetSpeculationReferrerPolicy(mReferrerPolicy);
      break;
    case eSpeculativeLoadImage:
      aExecutor->PreloadImage(mUrl, mCrossOrigin, mSrcset, mSizes, mReferrerPolicy);
      break;
    case eSpeculativeLoadOpenPicture:
      aExecutor->PreloadOpenPicture();
      break;
    case eSpeculativeLoadEndPicture:
      aExecutor->PreloadEndPicture();
      break;
    case eSpeculativeLoadPictureSource:
      aExecutor->PreloadPictureSource(mSrcset, mSizes, mTypeOrCharsetSourceOrDocumentMode,
                                      mMedia);
      break;
    case eSpeculativeLoadScript:
      aExecutor->PreloadScript(mUrl, mCharset, mTypeOrCharsetSourceOrDocumentMode,
                               mCrossOrigin, mIntegrity, false);
      break;
    case eSpeculativeLoadScriptFromHead:
      aExecutor->PreloadScript(mUrl, mCharset, mTypeOrCharsetSourceOrDocumentMode,
                               mCrossOrigin, mIntegrity, true);
      break;
    case eSpeculativeLoadStyle:
      aExecutor->PreloadStyle(mUrl, mCharset, mCrossOrigin, mIntegrity);
      break;
    case eSpeculativeLoadManifest:  
      aExecutor->ProcessOfflineManifest(mUrl);
      break;
    case eSpeculativeLoadSetDocumentCharset: {
        nsAutoCString narrowName;
        CopyUTF16toUTF8(mCharset, narrowName);
        NS_ASSERTION(mTypeOrCharsetSourceOrDocumentMode.Length() == 1,
            "Unexpected charset source string");
        int32_t intSource = (int32_t)mTypeOrCharsetSourceOrDocumentMode.First();
        aExecutor->SetDocumentCharsetAndSource(narrowName,
                                               intSource);
      }
      break;
    case eSpeculativeLoadSetDocumentMode: {
        NS_ASSERTION(mTypeOrCharsetSourceOrDocumentMode.Length() == 1,
            "Unexpected document mode string");
        nsHtml5DocumentMode mode =
            (nsHtml5DocumentMode)mTypeOrCharsetSourceOrDocumentMode.First();
        aExecutor->SetDocumentMode(mode);
      }
      break;
    case eSpeculativeLoadPreconnect:
      aExecutor->Preconnect(mUrl, mCrossOrigin);
      break;
    default:
      NS_NOTREACHED("Bogus speculative load.");
      break;
  }
}