зеркало из https://github.com/mozilla/gecko-dev.git
101 строка
4.0 KiB
C++
101 строка
4.0 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsHtml5SpeculativeLoad.h"
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#include "nsHtml5TreeOpExecutor.h"
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#include "mozilla/Encoding.h"
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nsHtml5SpeculativeLoad::nsHtml5SpeculativeLoad()
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:
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#ifdef DEBUG
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mOpCode(eSpeculativeLoadUninitialized),
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#endif
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mIsAsync(false),
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mIsDefer(false)
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{
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MOZ_COUNT_CTOR(nsHtml5SpeculativeLoad);
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}
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nsHtml5SpeculativeLoad::~nsHtml5SpeculativeLoad()
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{
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MOZ_COUNT_DTOR(nsHtml5SpeculativeLoad);
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NS_ASSERTION(mOpCode != eSpeculativeLoadUninitialized,
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"Uninitialized speculative load.");
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}
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void
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nsHtml5SpeculativeLoad::Perform(nsHtml5TreeOpExecutor* aExecutor)
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{
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switch (mOpCode) {
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case eSpeculativeLoadBase:
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aExecutor->SetSpeculationBase(mUrlOrSizes);
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break;
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case eSpeculativeLoadCSP:
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aExecutor->AddSpeculationCSP(mTypeOrCharsetSourceOrDocumentModeOrMetaCSPOrSizesOrIntegrity);
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break;
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case eSpeculativeLoadMetaReferrer:
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aExecutor->SetSpeculationReferrerPolicy(mReferrerPolicyOrIntegrity);
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break;
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case eSpeculativeLoadImage:
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aExecutor->PreloadImage(mUrlOrSizes, mCrossOriginOrMedia, mCharsetOrSrcset,
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mTypeOrCharsetSourceOrDocumentModeOrMetaCSPOrSizesOrIntegrity,
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mReferrerPolicyOrIntegrity);
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break;
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case eSpeculativeLoadOpenPicture:
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aExecutor->PreloadOpenPicture();
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break;
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case eSpeculativeLoadEndPicture:
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aExecutor->PreloadEndPicture();
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break;
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case eSpeculativeLoadPictureSource:
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aExecutor->PreloadPictureSource(mCharsetOrSrcset, mUrlOrSizes,
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mTypeOrCharsetSourceOrDocumentModeOrMetaCSPOrSizesOrIntegrity,
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mCrossOriginOrMedia);
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break;
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case eSpeculativeLoadScript:
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aExecutor->PreloadScript(mUrlOrSizes, mCharsetOrSrcset,
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mTypeOrCharsetSourceOrDocumentModeOrMetaCSPOrSizesOrIntegrity,
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mCrossOriginOrMedia, mReferrerPolicyOrIntegrity, false,
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mIsAsync, mIsDefer);
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break;
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case eSpeculativeLoadScriptFromHead:
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aExecutor->PreloadScript(mUrlOrSizes, mCharsetOrSrcset,
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mTypeOrCharsetSourceOrDocumentModeOrMetaCSPOrSizesOrIntegrity,
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mCrossOriginOrMedia, mReferrerPolicyOrIntegrity, true,
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mIsAsync, mIsDefer);
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break;
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case eSpeculativeLoadStyle:
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aExecutor->PreloadStyle(mUrlOrSizes, mCharsetOrSrcset, mCrossOriginOrMedia, mReferrerPolicyOrIntegrity,
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mTypeOrCharsetSourceOrDocumentModeOrMetaCSPOrSizesOrIntegrity);
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break;
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case eSpeculativeLoadManifest:
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aExecutor->ProcessOfflineManifest(mUrlOrSizes);
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break;
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case eSpeculativeLoadSetDocumentCharset: {
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nsAutoCString narrowName;
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CopyUTF16toUTF8(mCharsetOrSrcset, narrowName);
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NS_ASSERTION(mTypeOrCharsetSourceOrDocumentModeOrMetaCSPOrSizesOrIntegrity.Length() == 1,
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"Unexpected charset source string");
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int32_t intSource = (int32_t)mTypeOrCharsetSourceOrDocumentModeOrMetaCSPOrSizesOrIntegrity.First();
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aExecutor->SetDocumentCharsetAndSource(Encoding::ForName(narrowName),
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intSource);
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}
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break;
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case eSpeculativeLoadSetDocumentMode: {
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NS_ASSERTION(mTypeOrCharsetSourceOrDocumentModeOrMetaCSPOrSizesOrIntegrity.Length() == 1,
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"Unexpected document mode string");
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nsHtml5DocumentMode mode =
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(nsHtml5DocumentMode)mTypeOrCharsetSourceOrDocumentModeOrMetaCSPOrSizesOrIntegrity.First();
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aExecutor->SetDocumentMode(mode);
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}
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break;
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case eSpeculativeLoadPreconnect:
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aExecutor->Preconnect(mUrlOrSizes, mCrossOriginOrMedia);
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break;
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default:
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NS_NOTREACHED("Bogus speculative load.");
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break;
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}
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}
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