/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "MaskLayerImageCache.h"

#include "ImageContainer.h"

#include "mozilla/layers/KnowsCompositor.h"

using namespace mozilla::layers;

namespace mozilla {

MaskLayerImageCache::MaskLayerImageCache()

{

  MOZ_COUNT_CTOR(MaskLayerImageCache);

}

MaskLayerImageCache::~MaskLayerImageCache()

{

  MOZ_COUNT_DTOR(MaskLayerImageCache);

}

void

MaskLayerImageCache::Sweep()

{

  for (auto iter = mMaskImageContainers.Iter(); !iter.Done(); iter.Next()) {

    const MaskLayerImageCache::MaskLayerImageKey* key = iter.Get()->mKey;

    if (key->HasZeroLayerCount()) {

      iter.Remove();

    }

  }

}

ImageContainer*

MaskLayerImageCache::FindImageFor(const MaskLayerImageKey** aKey)

{

  if (MaskLayerImageEntry* entry = mMaskImageContainers.GetEntry(**aKey)) {

    *aKey = entry->mKey.get();

    return entry->mContainer;

  }

  return nullptr;

}

void

MaskLayerImageCache::PutImage(const MaskLayerImageKey* aKey,

                              ImageContainer* aContainer)

{

  MaskLayerImageEntry* entry = mMaskImageContainers.PutEntry(*aKey);

  entry->mContainer = aContainer;

}

MaskLayerImageCache::MaskLayerImageKey::MaskLayerImageKey()

  : mRoundedClipRects()

  , mLayerCount(0)

{

  MOZ_COUNT_CTOR(MaskLayerImageKey);

}

MaskLayerImageCache::MaskLayerImageKey::MaskLayerImageKey(

  const MaskLayerImageKey& aKey)

  : mRoundedClipRects(aKey.mRoundedClipRects)

  , mLayerCount(aKey.mLayerCount)

{

  MOZ_COUNT_CTOR(MaskLayerImageKey);

}

MaskLayerImageCache::MaskLayerImageKey::~MaskLayerImageKey()

{

  MOZ_COUNT_DTOR(MaskLayerImageKey);

}

} // namespace mozilla