pjs/parser/html/nsHtml5SpeculativeLoad.cpp

90 строки
3.2 KiB
C++

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is HTML Parser C++ Translator code.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Henri Sivonen <hsivonen@iki.fi>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#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, mCharsetOrCrossOrigin);
break;
case eSpeculativeLoadScript:
aExecutor->PreloadScript(mUrl, mCharsetOrCrossOrigin, mTypeOrCharsetSource);
break;
case eSpeculativeLoadStyle:
aExecutor->PreloadStyle(mUrl, mCharsetOrCrossOrigin);
break;
case eSpeculativeLoadManifest:
aExecutor->ProcessOfflineManifest(mUrl);
break;
case eSpeculativeLoadSetDocumentCharset: {
nsCAutoString narrowName;
CopyUTF16toUTF8(mCharsetOrCrossOrigin, narrowName);
NS_ASSERTION(mTypeOrCharsetSource.Length() == 1,
"Unexpected charset source string");
PRInt32 intSource = (PRInt32)mTypeOrCharsetSource.First();
aExecutor->SetDocumentCharsetAndSource(narrowName,
intSource);
}
break;
default:
NS_NOTREACHED("Bogus speculative load.");
break;
}
}