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