The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/base/MaskLayerImageCache.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,60 @@
     1.4 +/* -*- Mode: C++; tab-width: 20; 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 "MaskLayerImageCache.h"
    1.10 +#include "ImageContainer.h"
    1.11 +
    1.12 +using namespace mozilla::layers;
    1.13 +
    1.14 +namespace mozilla {
    1.15 +
    1.16 +MaskLayerImageCache::MaskLayerImageCache()
    1.17 +{
    1.18 +  MOZ_COUNT_CTOR(MaskLayerImageCache);
    1.19 +}
    1.20 +MaskLayerImageCache::~MaskLayerImageCache()
    1.21 +{
    1.22 +  MOZ_COUNT_DTOR(MaskLayerImageCache);
    1.23 +}
    1.24 +
    1.25 +
    1.26 +/* static */ PLDHashOperator
    1.27 +MaskLayerImageCache::SweepFunc(MaskLayerImageEntry* aEntry,
    1.28 +                               void* aUserArg)
    1.29 +{
    1.30 +  const MaskLayerImageCache::MaskLayerImageKey* key = aEntry->mKey;
    1.31 +
    1.32 +  if (key->mLayerCount == 0) {
    1.33 +    return PL_DHASH_REMOVE;
    1.34 +  }
    1.35 +
    1.36 +  return PL_DHASH_NEXT;
    1.37 +}
    1.38 +
    1.39 +void
    1.40 +MaskLayerImageCache::Sweep() 
    1.41 +{
    1.42 +  mMaskImageContainers.EnumerateEntries(SweepFunc, nullptr);
    1.43 +}
    1.44 +
    1.45 +ImageContainer*
    1.46 +MaskLayerImageCache::FindImageFor(const MaskLayerImageKey** aKey)
    1.47 +{
    1.48 +  if (MaskLayerImageEntry* entry = mMaskImageContainers.GetEntry(**aKey)) {
    1.49 +    *aKey = entry->mKey.get();
    1.50 +    return entry->mContainer;
    1.51 +  }
    1.52 +
    1.53 +  return nullptr;
    1.54 +}
    1.55 +
    1.56 +void
    1.57 +MaskLayerImageCache::PutImage(const MaskLayerImageKey* aKey, ImageContainer* aContainer)
    1.58 +{
    1.59 +  MaskLayerImageEntry* entry = mMaskImageContainers.PutEntry(*aKey);
    1.60 +  entry->mContainer = aContainer;
    1.61 +}
    1.62 +
    1.63 +}