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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "FrozenImage.h"
namespace mozilla {
using namespace gfx;
using layers::ImageContainer;
using layers::LayerManager;
namespace image {
NS_IMPL_ISUPPORTS_INHERITED0(FrozenImage, ImageWrapper)
void
FrozenImage::IncrementAnimationConsumers()
{
// Do nothing. This will prevent animation from starting if there are no other
// instances of this image.
}
void
FrozenImage::DecrementAnimationConsumers()
{
// Do nothing.
}
NS_IMETHODIMP
FrozenImage::GetAnimated(bool* aAnimated)
{
bool dummy;
nsresult rv = InnerImage()->GetAnimated(&dummy);
if (NS_SUCCEEDED(rv)) {
*aAnimated = false;
}
return rv;
}
NS_IMETHODIMP_(already_AddRefed<SourceSurface>)
FrozenImage::GetFrame(uint32_t aWhichFrame,
uint32_t aFlags)
{
return InnerImage()->GetFrame(FRAME_FIRST, aFlags);
}
NS_IMETHODIMP_(already_AddRefed<SourceSurface>)
FrozenImage::GetFrameAtSize(const IntSize& aSize,
uint32_t aWhichFrame,
uint32_t aFlags)
{
return InnerImage()->GetFrameAtSize(aSize, FRAME_FIRST, aFlags);
}
NS_IMETHODIMP_(bool)
FrozenImage::IsImageContainerAvailable(LayerManager* aManager, uint32_t aFlags)
{
return false;
}
NS_IMETHODIMP_(already_AddRefed<ImageContainer>)
FrozenImage::GetImageContainer(layers::LayerManager* aManager, uint32_t aFlags)
{
// XXX(seth): GetImageContainer does not currently support anything but the
// current frame. We work around this by always returning null, but if it ever
// turns out that FrozenImage is widely used on codepaths that can actually
// benefit from GetImageContainer, it would be a good idea to fix that method
// for performance reasons.
return nullptr;
}
NS_IMETHODIMP_(DrawResult)
FrozenImage::Draw(gfxContext* aContext,
const nsIntSize& aSize,
const ImageRegion& aRegion,
uint32_t /* aWhichFrame - ignored */,
SamplingFilter aSamplingFilter,
const Maybe<SVGImageContext>& aSVGContext,
uint32_t aFlags)
{
return InnerImage()->Draw(aContext, aSize, aRegion, FRAME_FIRST,
aSamplingFilter, aSVGContext, aFlags);
}
NS_IMETHODIMP_(void)
FrozenImage::RequestRefresh(const TimeStamp& aTime)
{
// Do nothing.
}
NS_IMETHODIMP
FrozenImage::GetAnimationMode(uint16_t* aAnimationMode)
{
*aAnimationMode = kNormalAnimMode;
return NS_OK;
}
NS_IMETHODIMP
FrozenImage::SetAnimationMode(uint16_t aAnimationMode)
{
// Do nothing.
return NS_OK;
}
NS_IMETHODIMP
FrozenImage::ResetAnimation()
{
// Do nothing.
return NS_OK;
}
NS_IMETHODIMP_(float)
FrozenImage::GetFrameIndex(uint32_t aWhichFrame)
{
MOZ_ASSERT(aWhichFrame <= FRAME_MAX_VALUE, "Invalid argument");
return 0;
}
} // namespace image
} // namespace mozilla
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