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62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* 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 "MaskLayerImageCache.h"
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#include "ImageContainer.h"
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using namespace mozilla::layers;
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namespace mozilla {
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MaskLayerImageCache::MaskLayerImageCache()
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{
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MOZ_COUNT_CTOR(MaskLayerImageCache);
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mMaskImageContainers.Init();
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}
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MaskLayerImageCache::~MaskLayerImageCache()
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{
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MOZ_COUNT_DTOR(MaskLayerImageCache);
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}
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/* static */ PLDHashOperator
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MaskLayerImageCache::SweepFunc(MaskLayerImageEntry* aEntry,
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void* aUserArg)
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{
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const MaskLayerImageCache::MaskLayerImageKey* key = aEntry->mKey;
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if (key->mLayerCount == 0) {
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return PL_DHASH_REMOVE;
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}
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return PL_DHASH_NEXT;
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}
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void
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MaskLayerImageCache::Sweep()
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{
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mMaskImageContainers.EnumerateEntries(SweepFunc, nullptr);
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}
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ImageContainer*
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MaskLayerImageCache::FindImageFor(const MaskLayerImageKey** aKey)
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{
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if (MaskLayerImageEntry* entry = mMaskImageContainers.GetEntry(**aKey)) {
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*aKey = entry->mKey.get();
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return entry->mContainer;
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}
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return nullptr;
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}
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void
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MaskLayerImageCache::PutImage(const MaskLayerImageKey* aKey, ImageContainer* aContainer)
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{
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MaskLayerImageEntry* entry = mMaskImageContainers.PutEntry(*aKey);
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entry->mContainer = aContainer;
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}
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}
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