mirror of
https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
synced 2026-09-07 08:18:41 +09:00
import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
378
dom/svg/SVGFEImageElement.cpp
Normal file
378
dom/svg/SVGFEImageElement.cpp
Normal file
|
|
@ -0,0 +1,378 @@
|
|||
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||||
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
||||
/* 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 "mozilla/dom/SVGFEImageElement.h"
|
||||
|
||||
#include "mozilla/EventStates.h"
|
||||
#include "mozilla/dom/SVGFEImageElementBinding.h"
|
||||
#include "mozilla/dom/SVGFilterElement.h"
|
||||
#include "mozilla/gfx/2D.h"
|
||||
#include "mozilla/RefPtr.h"
|
||||
#include "nsContentUtils.h"
|
||||
#include "nsLayoutUtils.h"
|
||||
#include "nsSVGUtils.h"
|
||||
#include "nsNetUtil.h"
|
||||
#include "imgIContainer.h"
|
||||
#include "gfx2DGlue.h"
|
||||
|
||||
NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(FEImage)
|
||||
|
||||
using namespace mozilla::gfx;
|
||||
|
||||
namespace mozilla {
|
||||
namespace dom {
|
||||
|
||||
JSObject*
|
||||
SVGFEImageElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
|
||||
{
|
||||
return SVGFEImageElementBinding::Wrap(aCx, this, aGivenProto);
|
||||
}
|
||||
|
||||
nsSVGElement::StringInfo SVGFEImageElement::sStringInfo[3] =
|
||||
{
|
||||
{ &nsGkAtoms::result, kNameSpaceID_None, true },
|
||||
{ &nsGkAtoms::href, kNameSpaceID_None, true },
|
||||
{ &nsGkAtoms::href, kNameSpaceID_XLink, true }
|
||||
};
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
// nsISupports methods
|
||||
|
||||
NS_IMPL_ISUPPORTS_INHERITED(SVGFEImageElement, SVGFEImageElementBase,
|
||||
nsIDOMNode, nsIDOMElement, nsIDOMSVGElement,
|
||||
imgINotificationObserver, nsIImageLoadingContent,
|
||||
imgIOnloadBlocker)
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
// Implementation
|
||||
|
||||
SVGFEImageElement::SVGFEImageElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
|
||||
: SVGFEImageElementBase(aNodeInfo)
|
||||
{
|
||||
// We start out broken
|
||||
AddStatesSilently(NS_EVENT_STATE_BROKEN);
|
||||
}
|
||||
|
||||
SVGFEImageElement::~SVGFEImageElement()
|
||||
{
|
||||
DestroyImageLoadingContent();
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
|
||||
nsresult
|
||||
SVGFEImageElement::LoadSVGImage(bool aForce, bool aNotify)
|
||||
{
|
||||
// resolve href attribute
|
||||
nsCOMPtr<nsIURI> baseURI = GetBaseURI();
|
||||
|
||||
nsAutoString href;
|
||||
if (mStringAttributes[HREF].IsExplicitlySet()) {
|
||||
mStringAttributes[HREF].GetAnimValue(href, this);
|
||||
} else {
|
||||
mStringAttributes[XLINK_HREF].GetAnimValue(href, this);
|
||||
}
|
||||
href.Trim(" \t\n\r");
|
||||
|
||||
if (baseURI && !href.IsEmpty())
|
||||
NS_MakeAbsoluteURI(href, href, baseURI);
|
||||
|
||||
// Make sure we don't get in a recursive death-spiral
|
||||
nsIDocument* doc = OwnerDoc();
|
||||
nsCOMPtr<nsIURI> hrefAsURI;
|
||||
if (NS_SUCCEEDED(StringToURI(href, doc, getter_AddRefs(hrefAsURI)))) {
|
||||
bool isEqual;
|
||||
if (NS_SUCCEEDED(hrefAsURI->Equals(baseURI, &isEqual)) && isEqual) {
|
||||
// Image URI matches our URI exactly! Bail out.
|
||||
return NS_OK;
|
||||
}
|
||||
}
|
||||
|
||||
return LoadImage(href, aForce, aNotify, eImageLoadType_Normal);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
// EventTarget methods:
|
||||
|
||||
void
|
||||
SVGFEImageElement::AsyncEventRunning(AsyncEventDispatcher* aEvent)
|
||||
{
|
||||
nsImageLoadingContent::AsyncEventRunning(aEvent);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
// nsIContent methods:
|
||||
|
||||
NS_IMETHODIMP_(bool)
|
||||
SVGFEImageElement::IsAttributeMapped(const nsIAtom* name) const
|
||||
{
|
||||
static const MappedAttributeEntry* const map[] = {
|
||||
sGraphicsMap
|
||||
};
|
||||
|
||||
return FindAttributeDependence(name, map) ||
|
||||
SVGFEImageElementBase::IsAttributeMapped(name);
|
||||
}
|
||||
|
||||
nsresult
|
||||
SVGFEImageElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
|
||||
const nsAttrValue* aValue, bool aNotify)
|
||||
{
|
||||
if (aName == nsGkAtoms::href &&
|
||||
(aNamespaceID == kNameSpaceID_XLink ||
|
||||
aNamespaceID == kNameSpaceID_None)) {
|
||||
|
||||
// If there isn't a frame we still need to load the image in case
|
||||
// the frame is created later e.g. by attaching to a document.
|
||||
// If there is a frame then it should deal with loading as the image
|
||||
// url may be animated.
|
||||
if (!GetPrimaryFrame()) {
|
||||
if (aValue) {
|
||||
LoadSVGImage(true, aNotify);
|
||||
} else {
|
||||
CancelImageRequests(aNotify);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return SVGFEImageElementBase::AfterSetAttr(aNamespaceID, aName,
|
||||
aValue, aNotify);
|
||||
}
|
||||
|
||||
void
|
||||
SVGFEImageElement::MaybeLoadSVGImage()
|
||||
{
|
||||
if ((mStringAttributes[HREF].IsExplicitlySet() ||
|
||||
mStringAttributes[XLINK_HREF].IsExplicitlySet() ) &&
|
||||
(NS_FAILED(LoadSVGImage(false, true)) ||
|
||||
!LoadingEnabled())) {
|
||||
CancelImageRequests(true);
|
||||
}
|
||||
}
|
||||
|
||||
nsresult
|
||||
SVGFEImageElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
|
||||
nsIContent* aBindingParent,
|
||||
bool aCompileEventHandlers)
|
||||
{
|
||||
nsresult rv = SVGFEImageElementBase::BindToTree(aDocument, aParent,
|
||||
aBindingParent,
|
||||
aCompileEventHandlers);
|
||||
NS_ENSURE_SUCCESS(rv, rv);
|
||||
|
||||
nsImageLoadingContent::BindToTree(aDocument, aParent, aBindingParent,
|
||||
aCompileEventHandlers);
|
||||
|
||||
if (mStringAttributes[HREF].IsExplicitlySet() ||
|
||||
mStringAttributes[XLINK_HREF].IsExplicitlySet()) {
|
||||
// FIXME: Bug 660963 it would be nice if we could just have
|
||||
// ClearBrokenState update our state and do it fast...
|
||||
ClearBrokenState();
|
||||
RemoveStatesSilently(NS_EVENT_STATE_BROKEN);
|
||||
nsContentUtils::AddScriptRunner(
|
||||
NewRunnableMethod(this, &SVGFEImageElement::MaybeLoadSVGImage));
|
||||
}
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
void
|
||||
SVGFEImageElement::UnbindFromTree(bool aDeep, bool aNullParent)
|
||||
{
|
||||
nsImageLoadingContent::UnbindFromTree(aDeep, aNullParent);
|
||||
SVGFEImageElementBase::UnbindFromTree(aDeep, aNullParent);
|
||||
}
|
||||
|
||||
EventStates
|
||||
SVGFEImageElement::IntrinsicState() const
|
||||
{
|
||||
return SVGFEImageElementBase::IntrinsicState() |
|
||||
nsImageLoadingContent::ImageState();
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
// nsIDOMNode methods
|
||||
|
||||
NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEImageElement)
|
||||
|
||||
already_AddRefed<SVGAnimatedString>
|
||||
SVGFEImageElement::Href()
|
||||
{
|
||||
return mStringAttributes[HREF].IsExplicitlySet()
|
||||
? mStringAttributes[HREF].ToDOMAnimatedString(this)
|
||||
: mStringAttributes[XLINK_HREF].ToDOMAnimatedString(this);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
// nsIDOMSVGFEImageElement methods
|
||||
|
||||
FilterPrimitiveDescription
|
||||
SVGFEImageElement::GetPrimitiveDescription(nsSVGFilterInstance* aInstance,
|
||||
const IntRect& aFilterSubregion,
|
||||
const nsTArray<bool>& aInputsAreTainted,
|
||||
nsTArray<RefPtr<SourceSurface>>& aInputImages)
|
||||
{
|
||||
nsIFrame* frame = GetPrimaryFrame();
|
||||
if (!frame) {
|
||||
return FilterPrimitiveDescription(PrimitiveType::Empty);
|
||||
}
|
||||
|
||||
nsCOMPtr<imgIRequest> currentRequest;
|
||||
GetRequest(nsIImageLoadingContent::CURRENT_REQUEST,
|
||||
getter_AddRefs(currentRequest));
|
||||
|
||||
nsCOMPtr<imgIContainer> imageContainer;
|
||||
if (currentRequest) {
|
||||
currentRequest->GetImage(getter_AddRefs(imageContainer));
|
||||
}
|
||||
|
||||
RefPtr<SourceSurface> image;
|
||||
if (imageContainer) {
|
||||
image = imageContainer->GetFrame(imgIContainer::FRAME_CURRENT,
|
||||
imgIContainer::FLAG_SYNC_DECODE);
|
||||
}
|
||||
|
||||
if (!image) {
|
||||
return FilterPrimitiveDescription(PrimitiveType::Empty);
|
||||
}
|
||||
|
||||
IntSize nativeSize;
|
||||
imageContainer->GetWidth(&nativeSize.width);
|
||||
imageContainer->GetHeight(&nativeSize.height);
|
||||
|
||||
Matrix viewBoxTM =
|
||||
SVGContentUtils::GetViewBoxTransform(aFilterSubregion.width, aFilterSubregion.height,
|
||||
0, 0, nativeSize.width, nativeSize.height,
|
||||
mPreserveAspectRatio);
|
||||
Matrix TM = viewBoxTM;
|
||||
TM.PostTranslate(aFilterSubregion.x, aFilterSubregion.y);
|
||||
|
||||
SamplingFilter samplingFilter = nsLayoutUtils::GetSamplingFilterForFrame(frame);
|
||||
|
||||
FilterPrimitiveDescription descr(PrimitiveType::Image);
|
||||
descr.Attributes().Set(eImageFilter, (uint32_t)samplingFilter);
|
||||
descr.Attributes().Set(eImageTransform, TM);
|
||||
|
||||
// Append the image to aInputImages and store its index in the description.
|
||||
size_t imageIndex = aInputImages.Length();
|
||||
aInputImages.AppendElement(image);
|
||||
descr.Attributes().Set(eImageInputIndex, (uint32_t)imageIndex);
|
||||
|
||||
return descr;
|
||||
}
|
||||
|
||||
bool
|
||||
SVGFEImageElement::AttributeAffectsRendering(int32_t aNameSpaceID,
|
||||
nsIAtom* aAttribute) const
|
||||
{
|
||||
// nsGkAtoms::href is deliberately omitted as the frame has special
|
||||
// handling to load the image
|
||||
return SVGFEImageElementBase::AttributeAffectsRendering(aNameSpaceID, aAttribute) ||
|
||||
(aNameSpaceID == kNameSpaceID_None &&
|
||||
aAttribute == nsGkAtoms::preserveAspectRatio);
|
||||
}
|
||||
|
||||
bool
|
||||
SVGFEImageElement::OutputIsTainted(const nsTArray<bool>& aInputsAreTainted,
|
||||
nsIPrincipal* aReferencePrincipal)
|
||||
{
|
||||
nsresult rv;
|
||||
nsCOMPtr<imgIRequest> currentRequest;
|
||||
GetRequest(nsIImageLoadingContent::CURRENT_REQUEST,
|
||||
getter_AddRefs(currentRequest));
|
||||
|
||||
if (!currentRequest) {
|
||||
return false;
|
||||
}
|
||||
|
||||
uint32_t status;
|
||||
currentRequest->GetImageStatus(&status);
|
||||
if ((status & imgIRequest::STATUS_LOAD_COMPLETE) == 0) {
|
||||
// The load has not completed yet.
|
||||
return false;
|
||||
}
|
||||
|
||||
nsCOMPtr<nsIPrincipal> principal;
|
||||
rv = currentRequest->GetImagePrincipal(getter_AddRefs(principal));
|
||||
if (NS_FAILED(rv) || !principal) {
|
||||
return true;
|
||||
}
|
||||
|
||||
int32_t corsmode;
|
||||
if (NS_SUCCEEDED(currentRequest->GetCORSMode(&corsmode)) &&
|
||||
corsmode != imgIRequest::CORS_NONE) {
|
||||
// If CORS was used to load the image, the page is allowed to read from it.
|
||||
return false;
|
||||
}
|
||||
|
||||
if (aReferencePrincipal->Subsumes(principal)) {
|
||||
// The page is allowed to read from the image.
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
// nsSVGElement methods
|
||||
|
||||
already_AddRefed<DOMSVGAnimatedPreserveAspectRatio>
|
||||
SVGFEImageElement::PreserveAspectRatio()
|
||||
{
|
||||
return mPreserveAspectRatio.ToDOMAnimatedPreserveAspectRatio(this);
|
||||
}
|
||||
|
||||
SVGAnimatedPreserveAspectRatio *
|
||||
SVGFEImageElement::GetPreserveAspectRatio()
|
||||
{
|
||||
return &mPreserveAspectRatio;
|
||||
}
|
||||
|
||||
nsSVGElement::StringAttributesInfo
|
||||
SVGFEImageElement::GetStringInfo()
|
||||
{
|
||||
return StringAttributesInfo(mStringAttributes, sStringInfo,
|
||||
ArrayLength(sStringInfo));
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
// imgINotificationObserver methods
|
||||
|
||||
NS_IMETHODIMP
|
||||
SVGFEImageElement::Notify(imgIRequest* aRequest, int32_t aType, const nsIntRect* aData)
|
||||
{
|
||||
nsresult rv = nsImageLoadingContent::Notify(aRequest, aType, aData);
|
||||
|
||||
if (aType == imgINotificationObserver::SIZE_AVAILABLE) {
|
||||
// Request a decode
|
||||
nsCOMPtr<imgIContainer> container;
|
||||
aRequest->GetImage(getter_AddRefs(container));
|
||||
MOZ_ASSERT(container, "who sent the notification then?");
|
||||
container->StartDecoding();
|
||||
}
|
||||
|
||||
if (aType == imgINotificationObserver::LOAD_COMPLETE ||
|
||||
aType == imgINotificationObserver::FRAME_UPDATE ||
|
||||
aType == imgINotificationObserver::SIZE_AVAILABLE) {
|
||||
Invalidate();
|
||||
}
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
// helper methods
|
||||
|
||||
void
|
||||
SVGFEImageElement::Invalidate()
|
||||
{
|
||||
if (GetParent() && GetParent()->IsSVGElement(nsGkAtoms::filter)) {
|
||||
static_cast<SVGFilterElement*>(GetParent())->Invalidate();
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace dom
|
||||
} // namespace mozilla
|
||||
Loading…
Add table
Add a link
Reference in a new issue