gecko-dev/parser/html/nsHtml5SpeculativeLoad.cpp

62 lines
1.9 KiB
C++

/* 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 eSpeculativeLoadImage:
aExecutor->PreloadImage(mUrl, mCrossOrigin);
break;
case eSpeculativeLoadScript:
aExecutor->PreloadScript(mUrl, mCharset, mTypeOrCharsetSource,
mCrossOrigin, false);
break;
case eSpeculativeLoadScriptFromHead:
aExecutor->PreloadScript(mUrl, mCharset, mTypeOrCharsetSource,
mCrossOrigin, true);
break;
case eSpeculativeLoadStyle:
aExecutor->PreloadStyle(mUrl, mCharset, mCrossOrigin);
break;
case eSpeculativeLoadManifest:
aExecutor->ProcessOfflineManifest(mUrl);
break;
case eSpeculativeLoadSetDocumentCharset: {
nsAutoCString narrowName;
CopyUTF16toUTF8(mCharset, narrowName);
NS_ASSERTION(mTypeOrCharsetSource.Length() == 1,
"Unexpected charset source string");
int32_t intSource = (int32_t)mTypeOrCharsetSource.First();
aExecutor->SetDocumentCharsetAndSource(narrowName,
intSource);
}
break;
default:
NS_NOTREACHED("Bogus speculative load.");
break;
}
}