The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/xbl/nsXBLPrototypeResources.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,129 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "nsIStyleRuleProcessor.h"
    1.10 +#include "nsIDocument.h"
    1.11 +#include "nsIContent.h"
    1.12 +#include "nsIServiceManager.h"
    1.13 +#include "nsXBLResourceLoader.h"
    1.14 +#include "nsXBLPrototypeResources.h"
    1.15 +#include "nsXBLPrototypeBinding.h"
    1.16 +#include "nsIDocumentObserver.h"
    1.17 +#include "mozilla/css/Loader.h"
    1.18 +#include "nsIURI.h"
    1.19 +#include "nsLayoutCID.h"
    1.20 +#include "nsCSSRuleProcessor.h"
    1.21 +#include "nsStyleSet.h"
    1.22 +#include "mozilla/dom/URL.h"
    1.23 +
    1.24 +using mozilla::dom::IsChromeURI;
    1.25 +
    1.26 +nsXBLPrototypeResources::nsXBLPrototypeResources(nsXBLPrototypeBinding* aBinding)
    1.27 +{
    1.28 +  MOZ_COUNT_CTOR(nsXBLPrototypeResources);
    1.29 +
    1.30 +  mLoader = new nsXBLResourceLoader(aBinding, this);
    1.31 +}
    1.32 +
    1.33 +nsXBLPrototypeResources::~nsXBLPrototypeResources()
    1.34 +{
    1.35 +  MOZ_COUNT_DTOR(nsXBLPrototypeResources);
    1.36 +  if (mLoader) {
    1.37 +    mLoader->mResources = nullptr;
    1.38 +  }
    1.39 +}
    1.40 +
    1.41 +void
    1.42 +nsXBLPrototypeResources::AddResource(nsIAtom* aResourceType, const nsAString& aSrc)
    1.43 +{
    1.44 +  if (mLoader)
    1.45 +    mLoader->AddResource(aResourceType, aSrc);
    1.46 +}
    1.47 +
    1.48 +void
    1.49 +nsXBLPrototypeResources::LoadResources(bool* aResult)
    1.50 +{
    1.51 +  if (mLoader)
    1.52 +    mLoader->LoadResources(aResult);
    1.53 +  else
    1.54 +    *aResult = true; // All resources loaded.
    1.55 +}
    1.56 +
    1.57 +void
    1.58 +nsXBLPrototypeResources::AddResourceListener(nsIContent* aBoundElement)
    1.59 +{
    1.60 +  if (mLoader)
    1.61 +    mLoader->AddResourceListener(aBoundElement);
    1.62 +}
    1.63 +
    1.64 +nsresult
    1.65 +nsXBLPrototypeResources::FlushSkinSheets()
    1.66 +{
    1.67 +  if (mStyleSheetList.Length() == 0)
    1.68 +    return NS_OK;
    1.69 +
    1.70 +  nsCOMPtr<nsIDocument> doc =
    1.71 +    mLoader->mBinding->XBLDocumentInfo()->GetDocument();
    1.72 +
    1.73 +  // If doc is null, we're in the process of tearing things down, so just
    1.74 +  // return without rebuilding anything.
    1.75 +  if (!doc) {
    1.76 +    return NS_OK;
    1.77 +  }
    1.78 +
    1.79 +  // We have scoped stylesheets.  Reload any chrome stylesheets we
    1.80 +  // encounter.  (If they aren't skin sheets, it doesn't matter, since
    1.81 +  // they'll still be in the chrome cache.
    1.82 +  mRuleProcessor = nullptr;
    1.83 +
    1.84 +  sheet_array_type oldSheets(mStyleSheetList);
    1.85 +  mStyleSheetList.Clear();
    1.86 +
    1.87 +  mozilla::css::Loader* cssLoader = doc->CSSLoader();
    1.88 +
    1.89 +  for (sheet_array_type::size_type i = 0, count = oldSheets.Length();
    1.90 +       i < count; ++i) {
    1.91 +    nsCSSStyleSheet* oldSheet = oldSheets[i];
    1.92 +
    1.93 +    nsIURI* uri = oldSheet->GetSheetURI();
    1.94 +
    1.95 +    nsRefPtr<nsCSSStyleSheet> newSheet;
    1.96 +    if (IsChromeURI(uri)) {
    1.97 +      if (NS_FAILED(cssLoader->LoadSheetSync(uri, getter_AddRefs(newSheet))))
    1.98 +        continue;
    1.99 +    }
   1.100 +    else {
   1.101 +      newSheet = oldSheet;
   1.102 +    }
   1.103 +
   1.104 +    mStyleSheetList.AppendElement(newSheet);
   1.105 +  }
   1.106 +  mRuleProcessor = new nsCSSRuleProcessor(mStyleSheetList,
   1.107 +                                          nsStyleSet::eDocSheet,
   1.108 +                                          nullptr);
   1.109 +
   1.110 +  return NS_OK;
   1.111 +}
   1.112 +
   1.113 +nsresult
   1.114 +nsXBLPrototypeResources::Write(nsIObjectOutputStream* aStream)
   1.115 +{
   1.116 +  if (mLoader)
   1.117 +    return mLoader->Write(aStream);
   1.118 +  return NS_OK;
   1.119 +}
   1.120 +
   1.121 +void
   1.122 +nsXBLPrototypeResources::Traverse(nsCycleCollectionTraversalCallback &cb) const
   1.123 +{
   1.124 +  NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "proto mResources mLoader");
   1.125 +  cb.NoteXPCOMChild(mLoader);
   1.126 +}
   1.127 +
   1.128 +void
   1.129 +nsXBLPrototypeResources::ClearLoader()
   1.130 +{
   1.131 +  mLoader = nullptr;
   1.132 +}