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Bug 1118694 - Always retarget OnDataAvailable for RasterImage. r=sworkman

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This commit is contained in:
Seth Fowler 2015-01-17 13:18:26 -08:00
parent 52b1d77d11
commit 766fe0f845
5 changed files with 4 additions and 41 deletions
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22
image/src/ImageFactory.cpp
View File

@ -77,28 +77,6 @@ ComputeImageFlags(ImageURL* uri, bool isMultiPart)
return imageFlags;
}
/* static */ bool
ImageFactory::CanRetargetOnDataAvailable(ImageURL* aURI, bool aIsMultiPart)
{
// We can't retarget OnDataAvailable safely in cases where we aren't storing
// source data (and thus need to sync decode in ODA) because allocating frames
// off-main-thread is currently not possible and we don't have a workaround in
// place yet. (See bug 967985.) For now, we detect those cases and refuse to
// retarget. When the problem is fixed, this function can be removed.
if (aIsMultiPart) {
return false;
}
uint32_t imageFlags = ComputeImageFlags(aURI, aIsMultiPart);
if (!(imageFlags & Image::INIT_FLAG_DISCARDABLE) &&
!(imageFlags & Image::INIT_FLAG_DECODE_ON_DRAW)) {
return false;
}
return true;
}
/* static */ already_AddRefed<Image>
ImageFactory::CreateImage(nsIRequest* aRequest,
ProgressTracker* aProgressTracker,

8
image/src/ImageFactory.h
View File

@ -28,14 +28,6 @@ public:
*/
static void Initialize();
/**
* Determines whether it's safe to retarget OnDataAvailable for an image.
*
* @param aURI The URI of the image.
* @param aIsMultipart Whether the image is part of a multipart request.
*/
static bool CanRetargetOnDataAvailable(ImageURL* aURI, bool aIsMultiPart);
/**
* Creates a new image with the given properties.
* Can be called on or off the main thread.

6
image/src/RasterImage.cpp
View File

@ -1178,12 +1178,6 @@ RasterImage::OnImageDataAvailable(nsIRequest*,
return rv;
}
/* static */ already_AddRefed<nsIEventTarget>
RasterImage::GetEventTarget()
{
return DecodePool::Singleton()->GetEventTarget();
}
nsresult
RasterImage::SetSourceSizeHint(uint32_t aSizeHint)
{

2
image/src/RasterImage.h
View File

@ -242,8 +242,6 @@ public:
nsresult aStatus,
bool aLastPart) MOZ_OVERRIDE;
static already_AddRefed<nsIEventTarget> GetEventTarget();
/**
* A hint of the number of bytes of source data that the image contains. If
* called early on, this can help reduce copying and reallocations by

7
image/src/imgRequest.cpp
View File

@ -9,6 +9,7 @@
#include "imgLoader.h"
#include "imgRequestProxy.h"
#include "DecodePool.h"
#include "ProgressTracker.h"
#include "ImageFactory.h"
#include "Image.h"
@ -694,14 +695,14 @@ NS_IMETHODIMP imgRequest::OnStartRequest(nsIRequest *aRequest, nsISupports *ctxt
nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(aRequest);
nsCOMPtr<nsIThreadRetargetableRequest> retargetable =
do_QueryInterface(aRequest);
if (httpChannel && retargetable &&
ImageFactory::CanRetargetOnDataAvailable(mURI, mIsMultiPartChannel)) {
if (httpChannel && retargetable) {
nsAutoCString mimeType;
nsresult rv = httpChannel->GetContentType(mimeType);
if (NS_SUCCEEDED(rv) && !mimeType.EqualsLiteral(IMAGE_SVG_XML)) {
// Image object not created until OnDataAvailable, so forward to static
// DecodePool directly.
nsCOMPtr<nsIEventTarget> target = RasterImage::GetEventTarget();
nsCOMPtr<nsIEventTarget> target =
DecodePool::Singleton()->GetEventTarget();
rv = retargetable->RetargetDeliveryTo(target);
}
PR_LOG(GetImgLog(), PR_LOG_WARNING,