Commit bc77f97e authored by Adam Vandolder's avatar Adam Vandolder
Browse files

Bug 1890428 - Add serialization support for Declarative Shadow DOM. r=webidl,smaug 

Differential Revision: https://phabricator.services.mozilla.com/D206955
parent be70f57b

dom/base/Element.cpp

+17 −3
Original line number Diff line number Diff line
@@ -1286,12 +1286,14 @@ already_AddRefed<ShadowRoot> Element::AttachShadow(const ShadowRootInit& aInit, 


  return AttachShadowWithoutNameChecks(

      aInit.mMode, DelegatesFocus(aInit.mDelegatesFocus), aInit.mSlotAssignment,

      ShadowRootClonable(aInit.mClonable));

      ShadowRootClonable(aInit.mClonable),

      ShadowRootSerializable(aInit.mSerializable));

}



already_AddRefed<ShadowRoot> Element::AttachShadowWithoutNameChecks(

    ShadowRootMode aMode, DelegatesFocus aDelegatesFocus,

    SlotAssignmentMode aSlotAssignment, ShadowRootClonable aClonable) {

    SlotAssignmentMode aSlotAssignment, ShadowRootClonable aClonable,

    ShadowRootSerializable aSerializable) {

  nsAutoScriptBlocker scriptBlocker;



  auto* nim = mNodeInfo->NodeInfoManager();
@@ -1317,7 +1319,7 @@ already_AddRefed<ShadowRoot> Element::AttachShadowWithoutNameChecks( 
   */

  RefPtr<ShadowRoot> shadowRoot = new (nim)

      ShadowRoot(this, aMode, aDelegatesFocus, aSlotAssignment, aClonable,

                 ShadowRootDeclarative::No, nodeInfo.forget());

                 aSerializable, ShadowRootDeclarative::No, nodeInfo.forget());



  if (NodeOrAncestorHasDirAuto()) {

    shadowRoot->SetAncestorHasDirAuto();
@@ -5061,6 +5063,18 @@ void Element::SetHTML(const nsAString& aInnerHTML, 
                                                     oldChildCount);

}



void Element::GetHTML(const GetHTMLOptions& aOptions, nsAString& aResult) {

  if (aOptions.mSerializableShadowRoots || !aOptions.mShadowRoots.IsEmpty()) {

    nsContentUtils::SerializeNodeToMarkup<SerializeShadowRoots::Yes>(

        this, true, aResult, aOptions.mSerializableShadowRoots,

        aOptions.mShadowRoots);

  } else {

    nsContentUtils::SerializeNodeToMarkup<SerializeShadowRoots::No>(

        this, true, aResult, aOptions.mSerializableShadowRoots,

        aOptions.mShadowRoots);

  }

}



bool Element::Translate() const {

  if (const auto* parent = Element::FromNodeOrNull(mParent)) {

    return parent->Translate();

dom/base/Element.h

+5 −1
Original line number Diff line number Diff line
@@ -120,6 +120,7 @@ namespace dom { 
struct CheckVisibilityOptions;

struct CustomElementData;

struct SetHTMLOptions;

struct GetHTMLOptions;

struct GetAnimationsOptions;

struct ScrollIntoViewOptions;

struct ScrollToOptions;
@@ -1359,11 +1360,13 @@ class Element : public FragmentOrElement { 


  enum class DelegatesFocus : bool { No, Yes };

  enum class ShadowRootClonable : bool { No, Yes };

  enum class ShadowRootSerializable : bool { No, Yes };



  already_AddRefed<ShadowRoot> AttachShadowWithoutNameChecks(

      ShadowRootMode aMode, DelegatesFocus = DelegatesFocus::No,

      SlotAssignmentMode aSlotAssignmentMode = SlotAssignmentMode::Named,

      ShadowRootClonable aClonable = ShadowRootClonable::No);

      ShadowRootClonable aClonable = ShadowRootClonable::No,

      ShadowRootSerializable aSerializable = ShadowRootSerializable::No);



  // Attach UA Shadow Root if it is not attached.

  enum class NotifyUAWidgetSetup : bool { No, Yes };
@@ -1543,6 +1546,7 @@ class Element : public FragmentOrElement { 


  void SetHTML(const nsAString& aInnerHTML, const SetHTMLOptions& aOptions,

               ErrorResult& aError);

  void GetHTML(const GetHTMLOptions& aOptions, nsAString& aResult);



  //----------------------------------------

dom/base/FragmentOrElement.cpp

+2 −1
Original line number Diff line number Diff line
@@ -1870,7 +1870,8 @@ void FragmentOrElement::GetMarkup(bool aIncludeSelf, nsAString& aMarkup) { 


  Document* doc = OwnerDoc();

  if (IsInHTMLDocument()) {

    nsContentUtils::SerializeNodeToMarkup(this, !aIncludeSelf, aMarkup);

    nsContentUtils::SerializeNodeToMarkup(this, !aIncludeSelf, aMarkup, false,

                                          {});

    return;

  }

dom/base/ShadowRoot.cpp

+11 −2
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include "nsWindowSizes.h"

#include "mozilla/dom/DirectionalityUtils.h"

#include "mozilla/dom/Element.h"

#include "mozilla/dom/ElementBinding.h"

#include "mozilla/dom/HTMLDetailsElement.h"

#include "mozilla/dom/HTMLSlotElement.h"

#include "mozilla/dom/HTMLSummaryElement.h"
@@ -52,7 +53,8 @@ NS_IMPL_RELEASE_INHERITED(ShadowRoot, DocumentFragment) 
ShadowRoot::ShadowRoot(Element* aElement, ShadowRootMode aMode,

                       Element::DelegatesFocus aDelegatesFocus,

                       SlotAssignmentMode aSlotAssignment,

                       IsClonable aIsClonable, Declarative aDeclarative,

                       IsClonable aIsClonable, IsSerializable aIsSerializable,

                       Declarative aDeclarative,

                       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)

    : DocumentFragment(std::move(aNodeInfo)),

      DocumentOrShadowRoot(this),
@@ -62,7 +64,8 @@ ShadowRoot::ShadowRoot(Element* aElement, ShadowRootMode aMode, 
      mIsDetailsShadowTree(aElement->IsHTMLElement(nsGkAtoms::details)),

      mIsAvailableToElementInternals(false),

      mIsDeclarative(aDeclarative),

      mIsClonable(aIsClonable) {

      mIsClonable(aIsClonable),

      mIsSerializable(aIsSerializable) {

  // nsINode.h relies on this.

  MOZ_ASSERT(static_cast<nsINode*>(this) == reinterpret_cast<nsINode*>(this));

  MOZ_ASSERT(static_cast<nsIContent*>(this) ==
@@ -885,3 +888,9 @@ void ShadowRoot::SetHTMLUnsafe(const nsAString& aHTML) { 
  RefPtr<Element> host = GetHost();

  nsContentUtils::SetHTMLUnsafe(this, host, aHTML);

}



void ShadowRoot::GetHTML(const GetHTMLOptions& aOptions, nsAString& aResult) {

  nsContentUtils::SerializeNodeToMarkup<SerializeShadowRoots::Yes>(

      this, true, aResult, aOptions.mSerializableShadowRoots,

      aOptions.mShadowRoots);

}

dom/base/ShadowRoot.h

+8 −1
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ class ShadowRoot final : public DocumentFragment, public DocumentOrShadowRoot { 


  using Declarative = Element::ShadowRootDeclarative;

  using IsClonable = Element::ShadowRootClonable;

  using IsSerializable = Element::ShadowRootSerializable;



 public:

  NS_IMPL_FROMNODE_HELPER(ShadowRoot, IsShadowRoot());
@@ -54,7 +55,7 @@ class ShadowRoot final : public DocumentFragment, public DocumentOrShadowRoot { 
  ShadowRoot(Element* aElement, ShadowRootMode aMode,

             Element::DelegatesFocus aDelegatesFocus,

             SlotAssignmentMode aSlotAssignment, IsClonable aClonable,

             Declarative aDeclarative,

             IsSerializable aIsSerializable, Declarative aDeclarative,

             already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);



  void AddSizeOfExcludingThis(nsWindowSizes&, size_t* aNodeSize) const final;
@@ -83,6 +84,7 @@ class ShadowRoot final : public DocumentFragment, public DocumentOrShadowRoot { 
  SlotAssignmentMode SlotAssignment() const { return mSlotAssignment; }

  bool Clonable() const { return mIsClonable == IsClonable::Yes; }

  bool IsClosed() const { return mMode == ShadowRootMode::Closed; }

  bool Serializable() const { return mIsSerializable == IsSerializable::Yes; }



  void RemoveSheetFromStyles(StyleSheet&);

  void RuleAdded(StyleSheet&, css::Rule&);
@@ -247,6 +249,8 @@ class ShadowRoot final : public DocumentFragment, public DocumentOrShadowRoot { 
  MOZ_CAN_RUN_SCRIPT

  void SetHTMLUnsafe(const nsAString& aHTML);



  void GetHTML(const GetHTMLOptions& aOptions, nsAString& aResult);



 protected:

  // FIXME(emilio): This will need to become more fine-grained.

  void ApplicableRulesChanged();
@@ -290,6 +294,9 @@ class ShadowRoot final : public DocumentFragment, public DocumentOrShadowRoot { 
  // https://dom.spec.whatwg.org/#shadowroot-clonable

  const IsClonable mIsClonable;



  // https://dom.spec.whatwg.org/#shadowroot-serializable

  const IsSerializable mIsSerializable;



  nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;

};