Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #include "FrozenImage.h"
       7             : 
       8             : namespace mozilla {
       9             : 
      10             : using namespace gfx;
      11             : using layers::ImageContainer;
      12             : using layers::LayerManager;
      13             : 
      14             : namespace image {
      15             : 
      16           0 : NS_IMPL_ISUPPORTS_INHERITED0(FrozenImage, ImageWrapper)
      17             : 
      18             : void
      19           0 : FrozenImage::IncrementAnimationConsumers()
      20             : {
      21             :   // Do nothing. This will prevent animation from starting if there are no other
      22             :   // instances of this image.
      23           0 : }
      24             : 
      25             : void
      26           0 : FrozenImage::DecrementAnimationConsumers()
      27             : {
      28             :   // Do nothing.
      29           0 : }
      30             : 
      31             : NS_IMETHODIMP
      32           0 : FrozenImage::GetAnimated(bool* aAnimated)
      33             : {
      34             :   bool dummy;
      35           0 :   nsresult rv = InnerImage()->GetAnimated(&dummy);
      36           0 :   if (NS_SUCCEEDED(rv)) {
      37           0 :     *aAnimated = false;
      38             :   }
      39           0 :   return rv;
      40             : }
      41             : 
      42             : NS_IMETHODIMP_(already_AddRefed<SourceSurface>)
      43           0 : FrozenImage::GetFrame(uint32_t aWhichFrame,
      44             :                       uint32_t aFlags)
      45             : {
      46           0 :   return InnerImage()->GetFrame(FRAME_FIRST, aFlags);
      47             : }
      48             : 
      49             : NS_IMETHODIMP_(already_AddRefed<SourceSurface>)
      50           0 : FrozenImage::GetFrameAtSize(const IntSize& aSize,
      51             :                             uint32_t aWhichFrame,
      52             :                             uint32_t aFlags)
      53             : {
      54           0 :   return InnerImage()->GetFrameAtSize(aSize, FRAME_FIRST, aFlags);
      55             : }
      56             : 
      57             : NS_IMETHODIMP_(bool)
      58           0 : FrozenImage::IsImageContainerAvailable(LayerManager* aManager, uint32_t aFlags)
      59             : {
      60           0 :   return false;
      61             : }
      62             : 
      63             : NS_IMETHODIMP_(already_AddRefed<ImageContainer>)
      64           0 : FrozenImage::GetImageContainer(layers::LayerManager* aManager, uint32_t aFlags)
      65             : {
      66             :   // XXX(seth): GetImageContainer does not currently support anything but the
      67             :   // current frame. We work around this by always returning null, but if it ever
      68             :   // turns out that FrozenImage is widely used on codepaths that can actually
      69             :   // benefit from GetImageContainer, it would be a good idea to fix that method
      70             :   // for performance reasons.
      71           0 :   return nullptr;
      72             : }
      73             : 
      74             : NS_IMETHODIMP_(DrawResult)
      75           0 : FrozenImage::Draw(gfxContext* aContext,
      76             :                   const nsIntSize& aSize,
      77             :                   const ImageRegion& aRegion,
      78             :                   uint32_t /* aWhichFrame - ignored */,
      79             :                   SamplingFilter aSamplingFilter,
      80             :                   const Maybe<SVGImageContext>& aSVGContext,
      81             :                   uint32_t aFlags,
      82             :                   float aOpacity)
      83             : {
      84           0 :   return InnerImage()->Draw(aContext, aSize, aRegion, FRAME_FIRST,
      85           0 :                             aSamplingFilter, aSVGContext, aFlags, aOpacity);
      86             : }
      87             : 
      88             : NS_IMETHODIMP_(void)
      89           0 : FrozenImage::RequestRefresh(const TimeStamp& aTime)
      90             : {
      91             :   // Do nothing.
      92           0 : }
      93             : 
      94             : NS_IMETHODIMP
      95           0 : FrozenImage::GetAnimationMode(uint16_t* aAnimationMode)
      96             : {
      97           0 :   *aAnimationMode = kNormalAnimMode;
      98           0 :   return NS_OK;
      99             : }
     100             : 
     101             : NS_IMETHODIMP
     102           0 : FrozenImage::SetAnimationMode(uint16_t aAnimationMode)
     103             : {
     104             :   // Do nothing.
     105           0 :   return NS_OK;
     106             : }
     107             : 
     108             : NS_IMETHODIMP
     109           0 : FrozenImage::ResetAnimation()
     110             : {
     111             :   // Do nothing.
     112           0 :   return NS_OK;
     113             : }
     114             : 
     115             : NS_IMETHODIMP_(float)
     116           0 : FrozenImage::GetFrameIndex(uint32_t aWhichFrame)
     117             : {
     118           0 :   MOZ_ASSERT(aWhichFrame <= FRAME_MAX_VALUE, "Invalid argument");
     119           0 :   return 0;
     120             : }
     121             : 
     122             : } // namespace image
     123             : } // namespace mozilla