Copy as Markdown
Other Tools
/* THIS FILE IS AUTOGENERATED FROM HTMLCanvasElement.webidl BY Codegen.py - DO NOT EDIT */
#include <type_traits>
#include "HTMLCanvasElementBinding.h"
#include "HTMLElementBinding.h"
#include "MainThreadUtils.h"
#include "WrapperFactory.h"
#include "js/CallAndConstruct.h"
#include "js/Exception.h"
#include "js/MapAndSet.h"
#include "js/Object.h"
#include "js/PropertyAndElement.h"
#include "js/PropertyDescriptor.h"
#include "js/String.h"
#include "js/experimental/JitInfo.h"
#include "mozilla/Atomics.h"
#include "mozilla/BasePrincipal.h"
#include "mozilla/FloatingPoint.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/ProfilerLabels.h"
#include "mozilla/StaticPrefs_dom.h"
#include "mozilla/dom/BindingCallContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/Blob.h"
#include "mozilla/dom/CanvasCaptureMediaStream.h"
#include "mozilla/dom/CustomElementRegistry.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/DocGroup.h"
#include "mozilla/dom/HTMLCanvasElement.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/OffscreenCanvas.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/WebIDLPrefs.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "nsContentUtils.h"
#include "nsISupports.h"
#include "nsJSPrincipals.h"
namespace mozilla::dom {
namespace binding_detail {}; // Just to make sure it's known as a namespace
using namespace mozilla::dom::binding_detail;
MOZ_CAN_RUN_SCRIPT void
BlobCallback::Call(BindingCallContext& cx, JS::Handle<JS::Value> aThisVal, Blob* blob, ErrorResult& aRv)
{
JS::Rooted<JS::Value> rval(cx);
JS::RootedVector<JS::Value> argv(cx);
if (!argv.resize(1)) {
// That threw an exception on the JSContext, and our CallSetup will do
// the right thing with that.
return;
}
unsigned argc = 1;
do {
if (!blob) {
argv[0].setNull();
break;
}
if (!GetOrCreateDOMReflector(cx, blob, argv[0])) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
break;
} while (false);
JS::Rooted<JS::Value> callable(cx, JS::ObjectValue(*mCallback));
if (!JS::Call(cx, aThisVal, callable,
JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
aRv.NoteJSContextException(cx);
return;
}
}
MOZ_CAN_RUN_SCRIPT void
PrintCallback::Call(BindingCallContext& cx, JS::Handle<JS::Value> aThisVal, HTMLCanvasPrintState& ctx, ErrorResult& aRv)
{
JS::Rooted<JS::Value> rval(cx);
JS::RootedVector<JS::Value> argv(cx);
if (!argv.resize(1)) {
// That threw an exception on the JSContext, and our CallSetup will do
// the right thing with that.
return;
}
unsigned argc = 1;
do {
if (!GetOrCreateDOMReflector(cx, ctx, argv[0])) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
break;
} while (false);
JS::Rooted<JS::Value> callable(cx, JS::ObjectValue(*mCallback));
if (!JS::Call(cx, aThisVal, callable,
JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
aRv.NoteJSContextException(cx);
return;
}
}
namespace HTMLCanvasElement_Binding {
static_assert(IsRefcounted<NativeType>::value == IsRefcounted<HTMLElement_Binding::NativeType>::value,
"Can't inherit from an interface with a different ownership model.");
MOZ_CAN_RUN_SCRIPT static bool
get_width(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "width", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasElement*>(void_self);
uint32_t result(MOZ_KnownLive(self)->Width());
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setNumber(result);
return true;
}
MOZ_CAN_RUN_SCRIPT static bool
set_width(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitSetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "width", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasElement*>(void_self);
uint32_t arg0;
if (!ValueToPrimitive<uint32_t, eDefault>(cx, args[0], "Value being assigned", &arg0)) {
return false;
}
Maybe<AutoCEReaction> ceReaction;
DocGroup* docGroup = self->GetDocGroup();
if (docGroup) {
ceReaction.emplace(docGroup->CustomElementReactionsStack(), cx);
}
FastErrorResult rv;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->SetWidth(arg0, rv))>, "Should be returning void here");
MOZ_KnownLive(self)->SetWidth(arg0, rv);
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "HTMLCanvasElement.width setter"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
return true;
}
static const JSJitInfo width_getterinfo = {
{ get_width },
{ prototypes::id::HTMLCanvasElement },
{ PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
true, /* isInfallible. False in setters. */
true, /* isMovable. Not relevant for setters. */
true, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
static const JSJitInfo width_setterinfo = {
{ (JSJitGetterOp)set_width },
{ prototypes::id::HTMLCanvasElement },
{ PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth },
JSJitInfo::Setter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
get_height(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "height", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasElement*>(void_self);
uint32_t result(MOZ_KnownLive(self)->Height());
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setNumber(result);
return true;
}
MOZ_CAN_RUN_SCRIPT static bool
set_height(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitSetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "height", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasElement*>(void_self);
uint32_t arg0;
if (!ValueToPrimitive<uint32_t, eDefault>(cx, args[0], "Value being assigned", &arg0)) {
return false;
}
Maybe<AutoCEReaction> ceReaction;
DocGroup* docGroup = self->GetDocGroup();
if (docGroup) {
ceReaction.emplace(docGroup->CustomElementReactionsStack(), cx);
}
FastErrorResult rv;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->SetHeight(arg0, rv))>, "Should be returning void here");
MOZ_KnownLive(self)->SetHeight(arg0, rv);
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "HTMLCanvasElement.height setter"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
return true;
}
static const JSJitInfo height_getterinfo = {
{ get_height },
{ prototypes::id::HTMLCanvasElement },
{ PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
true, /* isInfallible. False in setters. */
true, /* isMovable. Not relevant for setters. */
true, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
static const JSJitInfo height_setterinfo = {
{ (JSJitGetterOp)set_height },
{ prototypes::id::HTMLCanvasElement },
{ PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth },
JSJitInfo::Setter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
getContext(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "getContext", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasElement*>(void_self);
if (!args.requireAtLeast(cx, "HTMLCanvasElement.getContext", 1)) {
return false;
}
binding_detail::FakeString<char16_t> arg0;
if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
return false;
}
JS::Rooted<JS::Value> arg1(cx);
if (args.hasDefined(1)) {
arg1 = args[1];
} else {
arg1 = JS::NullValue();
}
FastErrorResult rv;
auto result(StrongOrRawPtr<nsISupports>(MOZ_KnownLive(self)->GetContext(cx, NonNullHelper(Constify(arg0)), arg1, rv)));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "HTMLCanvasElement.getContext"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (!result) {
args.rval().setNull();
return true;
}
if (!WrapObject(cx, result, args.rval())) {
return false;
}
return true;
}
static const JSJitInfo getContext_methodinfo = {
{ (JSJitGetterOp)getContext },
{ prototypes::id::HTMLCanvasElement },
{ PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
toDataURL(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "toDataURL", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasElement*>(void_self);
binding_detail::FakeString<char16_t> arg0;
if (args.hasDefined(0)) {
if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
return false;
}
} else {
arg0.AssignLiteral(u"");
}
JS::Rooted<JS::Value> arg1(cx);
if (args.hasDefined(1)) {
arg1 = args[1];
} else {
arg1 = JS::UndefinedValue();
}
FastErrorResult rv;
NonNull<nsIPrincipal> subjectPrincipal;
{
JS::Realm* realm = js::GetContextRealm(cx);
MOZ_ASSERT(realm);
JSPrincipals* principals = JS::GetRealmPrincipals(realm);
nsIPrincipal* principal = nsJSPrincipals::get(principals);
subjectPrincipal = principal;
}
DOMString result;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->ToDataURL(cx, NonNullHelper(Constify(arg0)), arg1, result, MOZ_KnownLive(NonNullHelper(subjectPrincipal)), rv))>, "Should be returning void here");
MOZ_KnownLive(self)->ToDataURL(cx, NonNullHelper(Constify(arg0)), arg1, result, MOZ_KnownLive(NonNullHelper(subjectPrincipal)), rv);
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "HTMLCanvasElement.toDataURL"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
return false;
}
return true;
}
static const JSJitInfo toDataURL_methodinfo = {
{ (JSJitGetterOp)toDataURL },
{ prototypes::id::HTMLCanvasElement },
{ PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
toBlob(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
BindingCallContext cx(cx_, "HTMLCanvasElement.toBlob");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "toBlob", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasElement*>(void_self);
if (!args.requireAtLeast(cx, "HTMLCanvasElement.toBlob", 1)) {
return false;
}
RootedCallback<OwningNonNull<binding_detail::FastBlobCallback>> arg0(cx);
if (args[0].isObject()) {
if (JS::IsCallable(&args[0].toObject())) {
{ // scope for tempRoot and tempGlobalRoot if needed
arg0 = new binding_detail::FastBlobCallback(&args[0].toObject(), JS::CurrentGlobalOrNull(cx));
}
} else {
cx.ThrowErrorMessage<MSG_NOT_CALLABLE>("Argument 1");
return false;
}
} else {
cx.ThrowErrorMessage<MSG_NOT_OBJECT>("Argument 1");
return false;
}
binding_detail::FakeString<char16_t> arg1;
if (args.hasDefined(1)) {
if (!ConvertJSValueToString(cx, args[1], eStringify, eStringify, arg1)) {
return false;
}
} else {
arg1.AssignLiteral(u"");
}
JS::Rooted<JS::Value> arg2(cx);
if (args.hasDefined(2)) {
arg2 = args[2];
} else {
arg2 = JS::UndefinedValue();
}
FastErrorResult rv;
NonNull<nsIPrincipal> subjectPrincipal;
{
JS::Realm* realm = js::GetContextRealm(cx);
MOZ_ASSERT(realm);
JSPrincipals* principals = JS::GetRealmPrincipals(realm);
nsIPrincipal* principal = nsJSPrincipals::get(principals);
subjectPrincipal = principal;
}
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->ToBlob(cx, MOZ_KnownLive(NonNullHelper(arg0)), NonNullHelper(Constify(arg1)), arg2, MOZ_KnownLive(NonNullHelper(subjectPrincipal)), rv))>, "Should be returning void here");
MOZ_KnownLive(self)->ToBlob(cx, MOZ_KnownLive(NonNullHelper(arg0)), NonNullHelper(Constify(arg1)), arg2, MOZ_KnownLive(NonNullHelper(subjectPrincipal)), rv);
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "HTMLCanvasElement.toBlob"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setUndefined();
return true;
}
static const JSJitInfo toBlob_methodinfo = {
{ (JSJitGetterOp)toBlob },
{ prototypes::id::HTMLCanvasElement },
{ PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
get_mozOpaque(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "mozOpaque", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasElement*>(void_self);
bool result(MOZ_KnownLive(self)->MozOpaque());
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setBoolean(result);
return true;
}
MOZ_CAN_RUN_SCRIPT static bool
set_mozOpaque(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitSetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "mozOpaque", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasElement*>(void_self);
bool arg0;
if (!ValueToPrimitive<bool, eDefault>(cx, args[0], "Value being assigned", &arg0)) {
return false;
}
FastErrorResult rv;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->SetMozOpaque(arg0, rv))>, "Should be returning void here");
MOZ_KnownLive(self)->SetMozOpaque(arg0, rv);
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "HTMLCanvasElement.mozOpaque setter"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
return true;
}
static const JSJitInfo mozOpaque_getterinfo = {
{ get_mozOpaque },
{ prototypes::id::HTMLCanvasElement },
{ PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
true, /* isInfallible. False in setters. */
true, /* isMovable. Not relevant for setters. */
true, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
static const JSJitInfo mozOpaque_setterinfo = {
{ (JSJitGetterOp)set_mozOpaque },
{ prototypes::id::HTMLCanvasElement },
{ PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth },
JSJitInfo::Setter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
get_mozPrintCallback(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "mozPrintCallback", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasElement*>(void_self);
RefPtr<PrintCallback> result(MOZ_KnownLive(self)->GetMozPrintCallback());
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (result) {
args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result));
if (!MaybeWrapObjectOrNullValue(cx, args.rval())) {
return false;
}
return true;
} else {
args.rval().setNull();
return true;
}
}
MOZ_CAN_RUN_SCRIPT static bool
set_mozPrintCallback(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, JSJitSetterCallArgs args)
{
BindingCallContext cx(cx_, "HTMLCanvasElement.mozPrintCallback setter");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "mozPrintCallback", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasElement*>(void_self);
RootedCallback<RefPtr<binding_detail::FastPrintCallback>> arg0(cx);
if (args[0].isObject()) {
if (JS::IsCallable(&args[0].toObject())) {
{ // scope for tempRoot and tempGlobalRoot if needed
arg0 = new binding_detail::FastPrintCallback(&args[0].toObject(), JS::CurrentGlobalOrNull(cx));
}
} else {
cx.ThrowErrorMessage<MSG_NOT_CALLABLE>("Value being assigned");
return false;
}
} else if (args[0].isNullOrUndefined()) {
arg0 = nullptr;
} else {
cx.ThrowErrorMessage<MSG_NOT_OBJECT>("Value being assigned");
return false;
}
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->SetMozPrintCallback(MOZ_KnownLive(Constify(arg0))))>, "Should be returning void here");
MOZ_KnownLive(self)->SetMozPrintCallback(MOZ_KnownLive(Constify(arg0)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
return true;
}
static const JSJitInfo mozPrintCallback_getterinfo = {
{ get_mozPrintCallback },
{ prototypes::id::HTMLCanvasElement },
{ PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
static const JSJitInfo mozPrintCallback_setterinfo = {
{ (JSJitGetterOp)set_mozPrintCallback },
{ prototypes::id::HTMLCanvasElement },
{ PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth },
JSJitInfo::Setter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
captureStream(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
BindingCallContext cx(cx_, "HTMLCanvasElement.captureStream");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "captureStream", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasElement*>(void_self);
Optional<double> arg0;
if (args.hasDefined(0)) {
arg0.Construct();
if (!ValueToPrimitive<double, eDefault>(cx, args[0], "Argument 1", &arg0.Value())) {
return false;
} else if (!std::isfinite(arg0.Value())) {
cx.ThrowErrorMessage<MSG_NOT_FINITE>("Argument 1");
return false;
}
}
FastErrorResult rv;
NonNull<nsIPrincipal> subjectPrincipal;
{
JS::Realm* realm = js::GetContextRealm(cx);
MOZ_ASSERT(realm);
JSPrincipals* principals = JS::GetRealmPrincipals(realm);
nsIPrincipal* principal = nsJSPrincipals::get(principals);
subjectPrincipal = principal;
}
auto result(StrongOrRawPtr<mozilla::dom::CanvasCaptureMediaStream>(MOZ_KnownLive(self)->CaptureStream(Constify(arg0), MOZ_KnownLive(NonNullHelper(subjectPrincipal)), rv)));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "HTMLCanvasElement.captureStream"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
static const JSJitInfo captureStream_methodinfo = {
{ (JSJitGetterOp)captureStream },
{ prototypes::id::HTMLCanvasElement },
{ PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
transferControlToOffscreen(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "transferControlToOffscreen", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasElement*>(void_self);
FastErrorResult rv;
auto result(StrongOrRawPtr<mozilla::dom::OffscreenCanvas>(MOZ_KnownLive(self)->TransferControlToOffscreen(rv)));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "HTMLCanvasElement.transferControlToOffscreen"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
static const JSJitInfo transferControlToOffscreen_methodinfo = {
{ (JSJitGetterOp)transferControlToOffscreen },
{ prototypes::id::HTMLCanvasElement },
{ PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
static bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
mozilla::dom::HTMLCanvasElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLCanvasElement>(obj);
// We don't want to preserve if we don't have a wrapper, and we
// obviously can't preserve if we're not initialized.
if (self && self->GetWrapperPreserveColor()) {
PreserveWrapper(self);
}
return true;
}
static void
_finalize(JS::GCContext* gcx, JSObject* obj)
{
mozilla::dom::HTMLCanvasElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLCanvasElement>(obj);
if (self) {
JS::SetReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue());
ClearWrapper(self, self, obj);
if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
JS::RemoveAssociatedMemory(obj, mallocBytes,
JS::MemoryUse::DOMBinding);
}
AddForDeferredFinalization<mozilla::dom::HTMLCanvasElement>(self);
}
}
static nsWrapperCache*
_getWrapperCache(JS::Handle<JSObject*> obj)
{
mozilla::dom::HTMLCanvasElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLCanvasElement>(obj);
return self;
}
static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
mozilla::dom::HTMLCanvasElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLCanvasElement>(obj);
if (self) {
UpdateWrapper(self, self, obj, old);
}
return 0;
}
static const JSFunctionSpec sMethods_specs[] = {
JS_FNSPEC("getContext", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getContext_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("toDataURL", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&toDataURL_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("toBlob", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&toBlob_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("captureStream", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&captureStream_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
JS_FS_END,
JS_FNSPEC("transferControlToOffscreen", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&transferControlToOffscreen_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
JS_FS_END
};
static const PrefableDisablers sMethods_disablers5 = {
WebIDLPrefIndex::gfx_offscreencanvas_enabled, 0, false, OriginTrial(0), nullptr
};
static const Prefable<const JSFunctionSpec> sMethods[] = {
{ nullptr, &sMethods_specs[0] },
{ &sMethods_disablers5, &sMethods_specs[5] },
{ nullptr, nullptr }
};
static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static const JSPropertySpec sAttributes_specs[] = {
JSPropertySpec::nativeAccessors("width", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &width_getterinfo, GenericSetter<NormalThisPolicy>, &width_setterinfo),
JSPropertySpec::nativeAccessors("height", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &height_getterinfo, GenericSetter<NormalThisPolicy>, &height_setterinfo),
JSPropertySpec::nativeAccessors("mozOpaque", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &mozOpaque_getterinfo, GenericSetter<NormalThisPolicy>, &mozOpaque_setterinfo),
JSPropertySpec::nativeAccessors("mozPrintCallback", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &mozPrintCallback_getterinfo, GenericSetter<NormalThisPolicy>, &mozPrintCallback_setterinfo),
JS_PS_END
};
static const Prefable<const JSPropertySpec> sAttributes[] = {
{ nullptr, &sAttributes_specs[0] },
{ nullptr, nullptr }
};
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static uint16_t sNativeProperties_sortedPropertyIndices[9];
static PropertyInfo sNativeProperties_propertyInfos[9];
static const NativePropertiesN<2> sNativeProperties = {
false, 0,
false, 0,
true, 0 /* sMethods */,
true, 1 /* sAttributes */,
false, 0,
false, 0,
false, 0,
-1,
9,
sNativeProperties_sortedPropertyIndices,
{
{ sMethods, &sNativeProperties_propertyInfos[0] },
{ sAttributes, &sNativeProperties_propertyInfos[5] }
}
};
static_assert(9 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)),
"We have a property info count that is oversized");
bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
nullptr,
{ sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited },
prototypes::id::HTMLCanvasElement,
constructors::id::HTMLCanvasElement,
&DefaultXrayExpandoObjectClass
};
static bool
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"HTMLCanvasElement", "constructor", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
return HTMLConstructor(cx, argc, vp,
constructors::id::HTMLCanvasElement,
prototypes::id::HTMLCanvasElement,
CreateInterfaceObjects);
}
static const DOMInterfaceInfo sInterfaceObjectInfo = {
{ _constructor, &sNativePropertyHooks },
HTMLElement_Binding::GetConstructorObject,
prototypes::id::HTMLCanvasElement,
PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth,
true,
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"HTMLCanvasElementPrototype",
JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
JS_NULL_CLASS_OPS,
JS_NULL_CLASS_SPEC,
JS_NULL_CLASS_EXT,
JS_NULL_OBJECT_OPS
},
eInterfacePrototype,
prototypes::id::HTMLCanvasElement,
PrototypeTraits<prototypes::id::HTMLCanvasElement>::Depth,
&sNativePropertyHooks,
HTMLElement_Binding::GetProtoObject
};
bool
CountMaybeMissingProperty(JS::Handle<JSObject*> proxy, JS::Handle<jsid> id)
{
if (HTMLElement_Binding::CountMaybeMissingProperty(proxy, id)) {
return true;
}
return false;
}
static const JSClassOps sClassOps = {
_addProperty, /* addProperty */
nullptr, /* delProperty */
nullptr, /* enumerate */
nullptr, /* newEnumerate */
nullptr, /* resolve */
nullptr, /* mayResolve */
_finalize, /* finalize */
nullptr, /* call */
nullptr, /* construct */
nullptr, /* trace */
};
static const js::ClassExtension sClassExtension = {
_objectMoved /* objectMovedOp */
};
static const DOMJSClass sClass = {
{ "HTMLCanvasElement",
JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
&sClassOps,
JS_NULL_CLASS_SPEC,
&sClassExtension,
JS_NULL_OBJECT_OPS
},
{ prototypes::id::EventTarget, prototypes::id::Node, prototypes::id::Element, prototypes::id::HTMLElement, prototypes::id::HTMLCanvasElement, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
std::is_base_of_v<nsISupports, mozilla::dom::HTMLCanvasElement>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::dom::HTMLCanvasElement>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::dom::HTMLCanvasElement>::Get(),
nullptr,
_getWrapperCache
};
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
"Must have the right minimal number of reserved slots.");
static_assert(1 >= 1,
"Must have enough reserved slots.");
bool
Wrap(JSContext* aCx, mozilla::dom::HTMLCanvasElement* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::dom::HTMLCanvasElement>,
"Shouldn't have wrappercached things that are not refcounted.");
static_assert(std::is_same_v<decltype(aObject), mozilla::dom::HTMLCanvasElement*>);
MOZ_ASSERT(static_cast<nsGenericHTMLElement*>(aObject) ==
reinterpret_cast<nsGenericHTMLElement*>(aObject),
"Multiple inheritance for nsGenericHTMLElement is broken.");
MOZ_ASSERT(static_cast<mozilla::dom::Element*>(aObject) ==
reinterpret_cast<mozilla::dom::Element*>(aObject),
"Multiple inheritance for mozilla::dom::Element is broken.");
MOZ_ASSERT(static_cast<nsINode*>(aObject) ==
reinterpret_cast<nsINode*>(aObject),
"Multiple inheritance for nsINode is broken.");
MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
"Multiple inheritance for mozilla::dom::EventTarget is broken.");
MOZ_ASSERT(ToSupportsIsCorrect(aObject));
MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
MOZ_ASSERT(!aCache->GetWrapper(),
"You should probably not be using Wrap() directly; use "
"GetOrCreateDOMReflector instead");
MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
"nsISupports must be on our primary inheritance chain");
// If the wrapper cache contains a dead reflector then finalize that
// now, ensuring that the finalizer for the old reflector always
// runs before the new reflector is created and attached. This
// avoids the awkward situation where there are multiple reflector
// objects that contain pointers to the same native.
if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) {
_finalize(nullptr /* unused */, oldReflector);
MOZ_ASSERT(!aCache->GetWrapperMaybeDead());
}
JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
if (!global) {
return false;
}
MOZ_ASSERT(JS_IsGlobalObject(global));
JS::AssertObjectIsNotGray(global);
// That might have ended up wrapping us already, due to the wonders
// of XBL. Check for that, and bail out as needed.
aReflector.set(aCache->GetWrapper());
if (aReflector) {
#ifdef DEBUG
AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
#endif // DEBUG
return true;
}
JSAutoRealm ar(aCx, global);
JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
if (!canonicalProto) {
return false;
}
JS::Rooted<JSObject*> proto(aCx);
if (aGivenProto) {
proto = aGivenProto;
// Unfortunately, while aGivenProto was in the compartment of aCx
// coming in, we changed compartments to that of "parent" so may need
// to wrap the proto here.
if (js::GetContextCompartment(aCx) != JS::GetCompartment(proto)) {
if (!JS_WrapObject(aCx, &proto)) {
return false;
}
}
} else {
proto = canonicalProto;
}
BindingJSObjectCreator<mozilla::dom::HTMLCanvasElement> creator(aCx);
creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
if (!aReflector) {
return false;
}
aCache->SetWrapper(aReflector);
creator.InitializationSucceeded();
MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
aCache->GetWrapperPreserveColor() == aReflector);
// If proto != canonicalProto, we have to preserve our wrapper;
// otherwise we won't be able to properly recreate it later, since
// we won't know what proto to use. Note that we don't check
// aGivenProto here, since it's entirely possible (and even
// somewhat common) to have a non-null aGivenProto which is the
// same as canonicalProto.
if (proto != canonicalProto) {
PreserveWrapper(aObject);
}
return true;
}
void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::HTMLCanvasElement);
JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::HTMLCanvasElement);
JS::Handle<JSObject*> parentProto(HTMLElement_Binding::GetProtoObjectHandle(aCx));
if (!parentProto) {
return;
}
JS::Handle<JSObject*> constructorProto(HTMLElement_Binding::GetConstructorObjectHandle(aCx));
if (!constructorProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
constructorProto, &sInterfaceObjectInfo, 0, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
sNativeProperties.Upcast(),
nullptr,
"HTMLCanvasElement", aDefineOnGlobal,
nullptr,
false,
nullptr);
}
JSObject*
GetConstructorObject(JSContext* aCx)
{
return GetConstructorObjectHandle(aCx);
}
} // namespace HTMLCanvasElement_Binding
namespace MozCanvasPrintState_Binding {
MOZ_CAN_RUN_SCRIPT static bool
get_context(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozCanvasPrintState", "context", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasPrintState*>(void_self);
auto result(StrongOrRawPtr<nsISupports>(MOZ_KnownLive(self)->Context()));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (!WrapObject(cx, result, args.rval())) {
return false;
}
return true;
}
static const JSJitInfo context_getterinfo = {
{ get_context },
{ prototypes::id::MozCanvasPrintState },
{ PrototypeTraits<prototypes::id::MozCanvasPrintState>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
done(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozCanvasPrintState", "done", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::HTMLCanvasPrintState*>(void_self);
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->Done())>, "Should be returning void here");
MOZ_KnownLive(self)->Done();
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setUndefined();
return true;
}
static const JSJitInfo done_methodinfo = {
{ (JSJitGetterOp)done },
{ prototypes::id::MozCanvasPrintState },
{ PrototypeTraits<prototypes::id::MozCanvasPrintState>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
true, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
static bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
mozilla::dom::HTMLCanvasPrintState* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLCanvasPrintState>(obj);
// We don't want to preserve if we don't have a wrapper, and we
// obviously can't preserve if we're not initialized.
if (self && self->GetWrapperPreserveColor()) {
PreserveWrapper(self);
}
return true;
}
static void
_finalize(JS::GCContext* gcx, JSObject* obj)
{
mozilla::dom::HTMLCanvasPrintState* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLCanvasPrintState>(obj);
if (self) {
JS::SetReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue());
ClearWrapper(self, self, obj);
if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
JS::RemoveAssociatedMemory(obj, mallocBytes,
JS::MemoryUse::DOMBinding);
}
AddForDeferredFinalization<mozilla::dom::HTMLCanvasPrintState>(self);
}
}
static nsWrapperCache*
_getWrapperCache(JS::Handle<JSObject*> obj)
{
mozilla::dom::HTMLCanvasPrintState* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLCanvasPrintState>(obj);
return self;
}
static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
mozilla::dom::HTMLCanvasPrintState* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLCanvasPrintState>(obj);
if (self) {
UpdateWrapper(self, self, obj, old);
}
return 0;
}
static const JSFunctionSpec sMethods_specs[] = {
JS_FNSPEC("done", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&done_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
JS_FS_END
};
static const Prefable<const JSFunctionSpec> sMethods[] = {
{ nullptr, &sMethods_specs[0] },
{ nullptr, nullptr }
};
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static const JSPropertySpec sAttributes_specs[] = {
JSPropertySpec::nativeAccessors("context", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &context_getterinfo, nullptr, nullptr),
JS_PS_END
};
static const Prefable<const JSPropertySpec> sAttributes[] = {
{ nullptr, &sAttributes_specs[0] },
{ nullptr, nullptr }
};
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static uint16_t sNativeProperties_sortedPropertyIndices[2];
static PropertyInfo sNativeProperties_propertyInfos[2];
static const NativePropertiesN<2> sNativeProperties = {
false, 0,
false, 0,
true, 0 /* sMethods */,
true, 1 /* sAttributes */,
false, 0,
false, 0,
false, 0,
-1,
2,
sNativeProperties_sortedPropertyIndices,
{
{ sMethods, &sNativeProperties_propertyInfos[0] },
{ sAttributes, &sNativeProperties_propertyInfos[1] }
}
};
static_assert(2 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)),
"We have a property info count that is oversized");
bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
nullptr,
{ sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited },
prototypes::id::MozCanvasPrintState,
constructors::id::MozCanvasPrintState,
&DefaultXrayExpandoObjectClass
};
static const DOMInterfaceInfo sInterfaceObjectInfo = {
{ ThrowingConstructor, &sNativePropertyHooks },
JS::GetRealmFunctionPrototype,
prototypes::id::MozCanvasPrintState,
PrototypeTraits<prototypes::id::MozCanvasPrintState>::Depth,
true,
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"MozCanvasPrintStatePrototype",
JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
JS_NULL_CLASS_OPS,
JS_NULL_CLASS_SPEC,
JS_NULL_CLASS_EXT,
JS_NULL_OBJECT_OPS
},
eInterfacePrototype,
prototypes::id::MozCanvasPrintState,
PrototypeTraits<prototypes::id::MozCanvasPrintState>::Depth,
&sNativePropertyHooks,
JS::GetRealmObjectPrototype
};
bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
return nsContentUtils::ThreadsafeIsSystemCaller(aCx);
}
static const JSClassOps sClassOps = {
_addProperty, /* addProperty */
nullptr, /* delProperty */
nullptr, /* enumerate */
nullptr, /* newEnumerate */
nullptr, /* resolve */
nullptr, /* mayResolve */
_finalize, /* finalize */
nullptr, /* call */
nullptr, /* construct */
nullptr, /* trace */
};
static const js::ClassExtension sClassExtension = {
_objectMoved /* objectMovedOp */
};
static const DOMJSClass sClass = {
{ "MozCanvasPrintState",
JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
&sClassOps,
JS_NULL_CLASS_SPEC,
&sClassExtension,
JS_NULL_OBJECT_OPS
},
{ prototypes::id::MozCanvasPrintState, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
std::is_base_of_v<nsISupports, mozilla::dom::HTMLCanvasPrintState>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::dom::HTMLCanvasPrintState>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::dom::HTMLCanvasPrintState>::Get(),
nullptr,
_getWrapperCache
};
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
"Must have the right minimal number of reserved slots.");
static_assert(1 >= 1,
"Must have enough reserved slots.");
bool
Wrap(JSContext* aCx, mozilla::dom::HTMLCanvasPrintState* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::dom::HTMLCanvasPrintState>,
"Shouldn't have wrappercached things that are not refcounted.");
static_assert(std::is_same_v<decltype(aObject), mozilla::dom::HTMLCanvasPrintState*>);
MOZ_ASSERT(ToSupportsIsCorrect(aObject));
MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
MOZ_ASSERT(!aCache->GetWrapper(),
"You should probably not be using Wrap() directly; use "
"GetOrCreateDOMReflector instead");
MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
"nsISupports must be on our primary inheritance chain");
// If the wrapper cache contains a dead reflector then finalize that
// now, ensuring that the finalizer for the old reflector always
// runs before the new reflector is created and attached. This
// avoids the awkward situation where there are multiple reflector
// objects that contain pointers to the same native.
if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) {
_finalize(nullptr /* unused */, oldReflector);
MOZ_ASSERT(!aCache->GetWrapperMaybeDead());
}
JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
if (!global) {
return false;
}
MOZ_ASSERT(JS_IsGlobalObject(global));
JS::AssertObjectIsNotGray(global);
// That might have ended up wrapping us already, due to the wonders
// of XBL. Check for that, and bail out as needed.
aReflector.set(aCache->GetWrapper());
if (aReflector) {
#ifdef DEBUG
AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
#endif // DEBUG
return true;
}
JSAutoRealm ar(aCx, global);
JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
if (!canonicalProto) {
return false;
}
JS::Rooted<JSObject*> proto(aCx);
if (aGivenProto) {
proto = aGivenProto;
// Unfortunately, while aGivenProto was in the compartment of aCx
// coming in, we changed compartments to that of "parent" so may need
// to wrap the proto here.
if (js::GetContextCompartment(aCx) != JS::GetCompartment(proto)) {
if (!JS_WrapObject(aCx, &proto)) {
return false;
}
}
} else {
proto = canonicalProto;
}
BindingJSObjectCreator<mozilla::dom::HTMLCanvasPrintState> creator(aCx);
creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
if (!aReflector) {
return false;
}
aCache->SetWrapper(aReflector);
creator.InitializationSucceeded();
MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
aCache->GetWrapperPreserveColor() == aReflector);
// If proto != canonicalProto, we have to preserve our wrapper;
// otherwise we won't be able to properly recreate it later, since
// we won't know what proto to use. Note that we don't check
// aGivenProto here, since it's entirely possible (and even
// somewhat common) to have a non-null aGivenProto which is the
// same as canonicalProto.
if (proto != canonicalProto) {
PreserveWrapper(aObject);
}
return true;
}
void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::MozCanvasPrintState);
JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::MozCanvasPrintState);
JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
if (!parentProto) {
return;
}
JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
if (!constructorProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
constructorProto, &sInterfaceObjectInfo, 0, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
sNativeProperties.Upcast(),
nullptr,
"MozCanvasPrintState", aDefineOnGlobal,
nullptr,
false,
nullptr);
}
JSObject*
GetConstructorObject(JSContext* aCx)
{
return GetConstructorObjectHandle(aCx);
}
} // namespace MozCanvasPrintState_Binding
} // namespace mozilla::dom