Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/CanvasCaptureMediaStreamBinding.cpp
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Source (jump to first uncovered line)
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/* THIS FILE IS AUTOGENERATED FROM CanvasCaptureMediaStream.webidl BY Codegen.py - DO NOT EDIT */
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#include "CanvasCaptureMediaStreamBinding.h"
4
#include "MediaStreamBinding.h"
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#include "WrapperFactory.h"
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#include "mozilla/OwningNonNull.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "mozilla/dom/CanvasCaptureMediaStream.h"
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#include "mozilla/dom/DOMJSClass.h"
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#include "mozilla/dom/HTMLCanvasElement.h"
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#include "mozilla/dom/NonRefcountedDOMObject.h"
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#include "mozilla/dom/XrayExpandoClass.h"
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namespace mozilla {
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namespace dom {
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namespace binding_detail {}; // Just to make sure it's known as a namespace
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using namespace mozilla::dom::binding_detail;
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namespace CanvasCaptureMediaStream_Binding {
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static_assert(IsRefcounted<NativeType>::value == IsRefcounted<MediaStream_Binding::NativeType>::value,
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              "Can't inherit from an interface with a different ownership model.");
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MOZ_CAN_RUN_SCRIPT static bool
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get_canvas(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::CanvasCaptureMediaStream* self, JSJitGetterCallArgs args)
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0
{
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0
  AUTO_PROFILER_LABEL_FAST("get CanvasCaptureMediaStream.canvas", DOM, cx);
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0
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0
  auto result(StrongOrRawPtr<mozilla::dom::HTMLCanvasElement>(self->Canvas()));
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0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
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0
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
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0
    MOZ_ASSERT(JS_IsExceptionPending(cx));
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0
    return false;
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0
  }
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0
  return true;
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0
}
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static const JSJitInfo canvas_getterinfo = {
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  { (JSJitGetterOp)get_canvas },
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  { prototypes::id::CanvasCaptureMediaStream },
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  { PrototypeTraits<prototypes::id::CanvasCaptureMediaStream>::Depth },
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  JSJitInfo::Getter,
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  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
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  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
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  false,  /* isInfallible. False in setters. */
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  false,  /* isMovable.  Not relevant for setters. */
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  false, /* isEliminatable.  Not relevant for setters. */
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  false, /* isAlwaysInSlot.  Only relevant for getters. */
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  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
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  false,  /* isTypedMethod.  Only relevant for methods. */
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  0   /* Reserved slot index, if we're stored in a slot, else 0. */
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};
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static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
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static_assert(0 < 1, "There is no slot for us");
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MOZ_CAN_RUN_SCRIPT static bool
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requestFrame(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::CanvasCaptureMediaStream* self, const JSJitMethodCallArgs& args)
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0
{
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0
  AUTO_PROFILER_LABEL_FAST("CanvasCaptureMediaStream.requestFrame", DOM, cx);
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0
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0
  self->RequestFrame();
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0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
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0
  args.rval().setUndefined();
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0
  return true;
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0
}
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static const JSJitInfo requestFrame_methodinfo = {
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  { (JSJitGetterOp)requestFrame },
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  { prototypes::id::CanvasCaptureMediaStream },
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  { PrototypeTraits<prototypes::id::CanvasCaptureMediaStream>::Depth },
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  JSJitInfo::Method,
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  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
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  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
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  true,  /* isInfallible. False in setters. */
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  false,  /* isMovable.  Not relevant for setters. */
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  false, /* isEliminatable.  Not relevant for setters. */
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  false, /* isAlwaysInSlot.  Only relevant for getters. */
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  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
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  false,  /* isTypedMethod.  Only relevant for methods. */
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  0   /* Reserved slot index, if we're stored in a slot, else 0. */
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};
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static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
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static_assert(0 < 1, "There is no slot for us");
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static bool
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_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
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0
{
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0
  mozilla::dom::CanvasCaptureMediaStream* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::CanvasCaptureMediaStream>(obj);
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0
  // We don't want to preserve if we don't have a wrapper, and we
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  // obviously can't preserve if we're not initialized.
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0
  if (self && self->GetWrapperPreserveColor()) {
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0
    PreserveWrapper(self);
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0
  }
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0
  return true;
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0
}
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static void
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_finalize(js::FreeOp* fop, JSObject* obj)
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0
{
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  mozilla::dom::CanvasCaptureMediaStream* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::CanvasCaptureMediaStream>(obj);
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0
  if (self) {
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0
    ClearWrapper(self, self, obj);
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    AddForDeferredFinalization<mozilla::dom::CanvasCaptureMediaStream>(self);
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0
  }
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0
}
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static size_t
111
_objectMoved(JSObject* obj, JSObject* old)
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0
{
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  mozilla::dom::CanvasCaptureMediaStream* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::CanvasCaptureMediaStream>(obj);
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0
  if (self) {
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0
    UpdateWrapper(self, self, obj, old);
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  }
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0
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  return 0;
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0
}
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// We deliberately use brace-elision to make Visual Studio produce better initalization code.
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#if defined(__clang__)
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wmissing-braces"
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#endif
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static const JSFunctionSpec sMethods_specs[] = {
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  JS_FNSPEC("requestFrame", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&requestFrame_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
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  JS_FS_END
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};
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#if defined(__clang__)
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#pragma clang diagnostic pop
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#endif
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static const Prefable<const JSFunctionSpec> sMethods[] = {
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  { nullptr, &sMethods_specs[0] },
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  { nullptr, nullptr }
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};
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static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
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    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
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static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
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    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
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// We deliberately use brace-elision to make Visual Studio produce better initalization code.
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#if defined(__clang__)
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wmissing-braces"
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#endif
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static const JSPropertySpec sAttributes_specs[] = {
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  { "canvas", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &canvas_getterinfo, nullptr, nullptr },
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  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
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};
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#if defined(__clang__)
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#pragma clang diagnostic pop
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#endif
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static const Prefable<const JSPropertySpec> sAttributes[] = {
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  { nullptr, &sAttributes_specs[0] },
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  { nullptr, nullptr }
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};
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static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
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    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
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static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
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    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
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static uint16_t sNativeProperties_sortedPropertyIndices[2];
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static PropertyInfo sNativeProperties_propertyInfos[2];
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static const NativePropertiesN<2> sNativeProperties = {
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  false, 0,
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  false, 0,
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  true,  0 /* sMethods */,
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  true,  1 /* sAttributes */,
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  false, 0,
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  false, 0,
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  false, 0,
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  -1,
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  2,
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  sNativeProperties_sortedPropertyIndices,
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  {
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    { sMethods, &sNativeProperties_propertyInfos[0] },
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    { sAttributes, &sNativeProperties_propertyInfos[1] }
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  }
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};
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static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
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    "We have a property info count that is oversized");
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static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
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  {
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    "Function",
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    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
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    &sBoringInterfaceObjectClassClassOps,
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    JS_NULL_CLASS_SPEC,
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    JS_NULL_CLASS_EXT,
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    &sInterfaceObjectClassObjectOps
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  },
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  eInterface,
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  true,
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  prototypes::id::CanvasCaptureMediaStream,
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  PrototypeTraits<prototypes::id::CanvasCaptureMediaStream>::Depth,
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  sNativePropertyHooks,
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  "function CanvasCaptureMediaStream() {\n    [native code]\n}",
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  MediaStream_Binding::GetConstructorObject
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};
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static const DOMIfaceAndProtoJSClass sPrototypeClass = {
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  {
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    "CanvasCaptureMediaStreamPrototype",
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    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
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    JS_NULL_CLASS_OPS,
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    JS_NULL_CLASS_SPEC,
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    JS_NULL_CLASS_EXT,
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    JS_NULL_OBJECT_OPS
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  },
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  eInterfacePrototype,
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  false,
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  prototypes::id::CanvasCaptureMediaStream,
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  PrototypeTraits<prototypes::id::CanvasCaptureMediaStream>::Depth,
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  sNativePropertyHooks,
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  "[object CanvasCaptureMediaStreamPrototype]",
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  MediaStream_Binding::GetProtoObject
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};
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bool
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ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
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0
{
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0
  static bool sPrefValue;
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0
  static bool sPrefCacheSetUp = false;
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0
  if (!sPrefCacheSetUp) {
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0
    sPrefCacheSetUp = true;
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    Preferences::AddBoolVarCache(&sPrefValue, "canvas.capturestream.enabled");
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  }
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0
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  return sPrefValue;
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0
}
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static const js::ClassOps sClassOps = {
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  _addProperty, /* addProperty */
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  nullptr,               /* delProperty */
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  nullptr,               /* enumerate */
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  nullptr, /* newEnumerate */
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  nullptr, /* resolve */
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  nullptr, /* mayResolve */
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  _finalize, /* finalize */
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  nullptr, /* call */
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  nullptr,               /* hasInstance */
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  nullptr,               /* construct */
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  nullptr, /* trace */
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};
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static const js::ClassExtension sClassExtension = {
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  nullptr, /* weakmapKeyDelegateOp */
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  _objectMoved /* objectMovedOp */
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};
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static const DOMJSClass sClass = {
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  { "CanvasCaptureMediaStream",
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    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
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    &sClassOps,
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    JS_NULL_CLASS_SPEC,
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    &sClassExtension,
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    JS_NULL_OBJECT_OPS
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  },
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  { prototypes::id::EventTarget, prototypes::id::MediaStream, prototypes::id::CanvasCaptureMediaStream, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
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  IsBaseOf<nsISupports, mozilla::dom::CanvasCaptureMediaStream >::value,
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  sNativePropertyHooks,
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  FindAssociatedGlobalForNative<mozilla::dom::CanvasCaptureMediaStream>::Get,
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  GetProtoObjectHandle,
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  GetCCParticipant<mozilla::dom::CanvasCaptureMediaStream>::Get()
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};
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static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
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              "Must have the right minimal number of reserved slots.");
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static_assert(1 >= 1,
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              "Must have enough reserved slots.");
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const JSClass*
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GetJSClass()
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0
{
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0
  return sClass.ToJSClass();
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0
}
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bool
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Wrap(JSContext* aCx, mozilla::dom::CanvasCaptureMediaStream* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
288
0
{
289
0
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::CanvasCaptureMediaStream>::value,
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0
                "Shouldn't have wrappercached things that are not refcounted.");
291
0
  MOZ_ASSERT(static_cast<mozilla::dom::CanvasCaptureMediaStream*>(aObject) ==
292
0
             reinterpret_cast<mozilla::dom::CanvasCaptureMediaStream*>(aObject),
293
0
             "Multiple inheritance for mozilla::dom::CanvasCaptureMediaStream is broken.");
294
0
  MOZ_ASSERT(static_cast<mozilla::DOMMediaStream*>(aObject) ==
295
0
             reinterpret_cast<mozilla::DOMMediaStream*>(aObject),
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0
             "Multiple inheritance for mozilla::DOMMediaStream is broken.");
297
0
  MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
298
0
             reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
299
0
             "Multiple inheritance for mozilla::dom::EventTarget is broken.");
300
0
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
301
0
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
302
0
  MOZ_ASSERT(!aCache->GetWrapper(),
303
0
             "You should probably not be using Wrap() directly; use "
304
0
             "GetOrCreateDOMReflector instead");
305
0
306
0
  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
307
0
             "nsISupports must be on our primary inheritance chain");
308
0
309
0
  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
310
0
  if (!global) {
311
0
    return false;
312
0
  }
313
0
  MOZ_ASSERT(JS_IsGlobalObject(global));
314
0
  MOZ_ASSERT(JS::ObjectIsNotGray(global));
315
0
316
0
  // That might have ended up wrapping us already, due to the wonders
317
0
  // of XBL.  Check for that, and bail out as needed.
318
0
  aReflector.set(aCache->GetWrapper());
319
0
  if (aReflector) {
320
#ifdef DEBUG
321
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
322
#endif // DEBUG
323
    return true;
324
0
  }
325
0
326
0
  JSAutoRealm ar(aCx, global);
327
0
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
328
0
  if (!canonicalProto) {
329
0
    return false;
330
0
  }
331
0
  JS::Rooted<JSObject*> proto(aCx);
332
0
  if (aGivenProto) {
333
0
    proto = aGivenProto;
334
0
    // Unfortunately, while aGivenProto was in the compartment of aCx
335
0
    // coming in, we changed compartments to that of "parent" so may need
336
0
    // to wrap the proto here.
337
0
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
338
0
      if (!JS_WrapObject(aCx, &proto)) {
339
0
        return false;
340
0
      }
341
0
    }
342
0
  } else {
343
0
    proto = canonicalProto;
344
0
  }
345
0
346
0
  BindingJSObjectCreator<mozilla::dom::CanvasCaptureMediaStream> creator(aCx);
347
0
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
348
0
  if (!aReflector) {
349
0
    return false;
350
0
  }
351
0
352
0
  aCache->SetWrapper(aReflector);
353
0
  creator.InitializationSucceeded();
354
0
355
0
  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
356
0
             aCache->GetWrapperPreserveColor() == aReflector);
357
0
  // If proto != canonicalProto, we have to preserve our wrapper;
358
0
  // otherwise we won't be able to properly recreate it later, since
359
0
  // we won't know what proto to use.  Note that we don't check
360
0
  // aGivenProto here, since it's entirely possible (and even
361
0
  // somewhat common) to have a non-null aGivenProto which is the
362
0
  // same as canonicalProto.
363
0
  if (proto != canonicalProto) {
364
0
    PreserveWrapper(aObject);
365
0
  }
366
0
367
0
  return true;
368
0
}
369
370
const NativePropertyHooks sNativePropertyHooks[] = { {
371
  nullptr,
372
  nullptr,
373
  nullptr,
374
  { sNativeProperties.Upcast(), nullptr },
375
  prototypes::id::CanvasCaptureMediaStream,
376
  constructors::id::CanvasCaptureMediaStream,
377
  MediaStream_Binding::sNativePropertyHooks,
378
  &DefaultXrayExpandoObjectClass
379
} };
380
381
void
382
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
383
0
{
384
0
  JS::Handle<JSObject*> parentProto(MediaStream_Binding::GetProtoObjectHandle(aCx));
385
0
  if (!parentProto) {
386
0
    return;
387
0
  }
388
0
389
0
  JS::Handle<JSObject*> constructorProto(MediaStream_Binding::GetConstructorObjectHandle(aCx));
390
0
  if (!constructorProto) {
391
0
    return;
392
0
  }
393
0
394
0
  static bool sIdsInited = false;
395
0
  if (!sIdsInited && NS_IsMainThread()) {
396
0
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
397
0
      return;
398
0
    }
399
0
    sIdsInited = true;
400
0
  }
401
0
402
0
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::CanvasCaptureMediaStream);
403
0
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::CanvasCaptureMediaStream);
404
0
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
405
0
                              &sPrototypeClass.mBase, protoCache,
406
0
                              nullptr,
407
0
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
408
0
                              interfaceCache,
409
0
                              sNativeProperties.Upcast(),
410
0
                              nullptr,
411
0
                              "CanvasCaptureMediaStream", aDefineOnGlobal,
412
0
                              nullptr,
413
0
                              false);
414
0
}
415
416
JSObject*
417
GetConstructorObject(JSContext* aCx)
418
0
{
419
0
  return GetConstructorObjectHandle(aCx);
420
0
}
421
422
} // namespace CanvasCaptureMediaStream_Binding
423
424
425
426
} // namespace dom
427
} // namespace mozilla