parser/html/nsHtml5SpeculativeLoad.cpp

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is HTML Parser C++ Translator code.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * Mozilla Foundation.
  18  * Portions created by the Initial Developer are Copyright (C) 2010
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *   Henri Sivonen <hsivonen@iki.fi>
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
  28  * of those above. If you wish to allow use of your version of this file only
  29  * under the terms of either the GPL or the LGPL, and not to allow others to
  30  * use your version of this file under the terms of the MPL, indicate your
  31  * decision by deleting the provisions above and replace them with the notice
  32  * and other provisions required by the GPL or the LGPL. If you do not delete
  33  * the provisions above, a recipient may use your version of this file under
  34  * the terms of any one of the MPL, the GPL or the LGPL.
  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 #include "nsHtml5SpeculativeLoad.h"
  39 #include "nsHtml5TreeOpExecutor.h"
  40
  41 nsHtml5SpeculativeLoad::nsHtml5SpeculativeLoad()
  42 #ifdef DEBUG
  43  : mOpCode(eSpeculativeLoadUninitialized)
  44 #endif
  45 {
  46   MOZ_COUNT_CTOR(nsHtml5SpeculativeLoad);
  47 }
  48
  49 nsHtml5SpeculativeLoad::~nsHtml5SpeculativeLoad()
  50 {
  51   MOZ_COUNT_DTOR(nsHtml5SpeculativeLoad);
  52   NS_ASSERTION(mOpCode != eSpeculativeLoadUninitialized,
  53                "Uninitialized speculative load.");
  54 }
  55
  56 void
  57 nsHtml5SpeculativeLoad::Perform(nsHtml5TreeOpExecutor* aExecutor)
  58 {
  59   switch (mOpCode) {
  60     case eSpeculativeLoadBase:
  61         aExecutor->SetSpeculationBase(mUrl);
  62       break;
  63     case eSpeculativeLoadImage:
  64         aExecutor->PreloadImage(mUrl);
  65       break;
  66     case eSpeculativeLoadScript:
  67         aExecutor->PreloadScript(mUrl, mCharset, mType);
  68       break;
  69     case eSpeculativeLoadStyle:
  70         aExecutor->PreloadStyle(mUrl, mCharset);
  71       break;
  72     case eSpeculativeLoadManifest:
  73         aExecutor->ProcessOfflineManifest(mUrl);
  74       break;
  75     default:
  76       NS_NOTREACHED("Bogus speculative load.");
  77       break;
  78   }
  79 }