/* -*- 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