gecko/image/FrozenImage.cpp
Wes Kocher 9effa8d37d Backed out 8 changesets (bug 1201796, bug 1196066) for mulet gij(28) failures CLOSED TREE
Backed out changeset 159d5d2946d3 (bug 1201796)
Backed out changeset 958988218976 (bug 1201796)
Backed out changeset 494e7553d641 (bug 1201796)
Backed out changeset d58149411b7d (bug 1201796)
Backed out changeset 35bd769b49f8 (bug 1196066)
Backed out changeset e4f3d4279b4c (bug 1196066)
Backed out changeset ca467297fa07 (bug 1196066)
Backed out changeset b4851ce6637d (bug 1196066)
2015-09-18 13:01:25 -07:00

113 lines
2.7 KiB
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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;
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_(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 */,
GraphicsFilter aFilter,
const Maybe<SVGImageContext>& aSVGContext,
uint32_t aFlags)
{
return InnerImage()->Draw(aContext, aSize, aRegion, FRAME_FIRST,
aFilter, 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