dom/html/HTMLScriptElement.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_HTMLScriptElement_h
   8 #define mozilla_dom_HTMLScriptElement_h
   9
  10 #include "mozilla/dom/FetchPriority.h"
  11 #include "mozilla/Attributes.h"
  12 #include "mozilla/dom/ScriptElement.h"
  13 #include "nsGenericHTMLElement.h"
  14 #include "nsStringFwd.h"
  15
  16 class nsDOMTokenList;
  17
  18 namespace mozilla::dom {
  19
  20 class HTMLScriptElement final : public nsGenericHTMLElement,
  21                                 public ScriptElement {
  22  public:
  23   using Element::GetText;
  24
  25   HTMLScriptElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
  26                     FromParser aFromParser);
  27
  28   // nsISupports
  29   NS_DECL_ISUPPORTS_INHERITED
  30
  31   // CC
  32   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLScriptElement,
  33                                            nsGenericHTMLElement)
  34
  35   void GetInnerHTML(nsAString& aInnerHTML, OOMReporter& aError) override;
  36   virtual void SetInnerHTML(const nsAString& aInnerHTML,
  37                             nsIPrincipal* aSubjectPrincipal,
  38                             mozilla::ErrorResult& aError) override;
  39
  40   // nsIScriptElement
  41   virtual void GetScriptText(nsAString& text) const override;
  42   virtual void GetScriptCharset(nsAString& charset) override;
  43   virtual void FreezeExecutionAttrs(const Document* aOwnerDoc) override;
  44   virtual CORSMode GetCORSMode() const override;
  45   virtual FetchPriority GetFetchPriority() const override;
  46   virtual mozilla::dom::ReferrerPolicy GetReferrerPolicy() override;
  47
  48   // nsIContent
  49   virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
  50   virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
  51                               const nsAString& aValue,
  52                               nsIPrincipal* aMaybeScriptedPrincipal,
  53                               nsAttrValue& aResult) override;
  54
  55   virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
  56
  57   // Element
  58   virtual void AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
  59                             const nsAttrValue* aValue,
  60                             const nsAttrValue* aOldValue,
  61                             nsIPrincipal* aMaybeScriptedPrincipal,
  62                             bool aNotify) override;
  63
  64   // WebIDL
  65   void GetText(nsAString& aValue, ErrorResult& aRv) const;
  66
  67   void SetText(const nsAString& aValue, ErrorResult& aRv);
  68
  69   void GetCharset(nsAString& aCharset) {
  70     GetHTMLAttr(nsGkAtoms::charset, aCharset);
  71   }
  72   void SetCharset(const nsAString& aCharset, ErrorResult& aRv) {
  73     SetHTMLAttr(nsGkAtoms::charset, aCharset, aRv);
  74   }
  75
  76   bool Defer() { return GetBoolAttr(nsGkAtoms::defer); }
  77   void SetDefer(bool aDefer, ErrorResult& aRv) {
  78     SetHTMLBoolAttr(nsGkAtoms::defer, aDefer, aRv);
  79   }
  80
  81   void GetSrc(nsAString& aSrc) { GetURIAttr(nsGkAtoms::src, nullptr, aSrc); }
  82   void SetSrc(const nsAString& aSrc, nsIPrincipal* aTriggeringPrincipal,
  83               ErrorResult& aRv) {
  84     SetHTMLAttr(nsGkAtoms::src, aSrc, aTriggeringPrincipal, aRv);
  85   }
  86
  87   void GetType(nsAString& aType) { GetHTMLAttr(nsGkAtoms::type, aType); }
  88   void SetType(const nsAString& aType, ErrorResult& aRv) {
  89     SetHTMLAttr(nsGkAtoms::type, aType, aRv);
  90   }
  91
  92   void GetHtmlFor(nsAString& aHtmlFor) {
  93     GetHTMLAttr(nsGkAtoms::_for, aHtmlFor);
  94   }
  95   void SetHtmlFor(const nsAString& aHtmlFor, ErrorResult& aRv) {
  96     SetHTMLAttr(nsGkAtoms::_for, aHtmlFor, aRv);
  97   }
  98
  99   void GetEvent(nsAString& aEvent) { GetHTMLAttr(nsGkAtoms::event, aEvent); }
 100   void SetEvent(const nsAString& aEvent, ErrorResult& aRv) {
 101     SetHTMLAttr(nsGkAtoms::event, aEvent, aRv);
 102   }
 103
 104   bool Async() { return mForceAsync || GetBoolAttr(nsGkAtoms::async); }
 105
 106   void SetAsync(bool aValue, ErrorResult& aRv) {
 107     mForceAsync = false;
 108     SetHTMLBoolAttr(nsGkAtoms::async, aValue, aRv);
 109   }
 110
 111   bool NoModule() { return GetBoolAttr(nsGkAtoms::nomodule); }
 112
 113   void SetNoModule(bool aValue, ErrorResult& aRv) {
 114     SetHTMLBoolAttr(nsGkAtoms::nomodule, aValue, aRv);
 115   }
 116
 117   void GetCrossOrigin(nsAString& aResult) {
 118     // Null for both missing and invalid defaults is ok, since we
 119     // always parse to an enum value, so we don't need an invalid
 120     // default, and we _want_ the missing default to be null.
 121     GetEnumAttr(nsGkAtoms::crossorigin, nullptr, aResult);
 122   }
 123   void SetCrossOrigin(const nsAString& aCrossOrigin, ErrorResult& aError) {
 124     SetOrRemoveNullableStringAttr(nsGkAtoms::crossorigin, aCrossOrigin, aError);
 125   }
 126   void GetIntegrity(nsAString& aIntegrity) {
 127     GetHTMLAttr(nsGkAtoms::integrity, aIntegrity);
 128   }
 129   void SetIntegrity(const nsAString& aIntegrity, ErrorResult& aRv) {
 130     SetHTMLAttr(nsGkAtoms::integrity, aIntegrity, aRv);
 131   }
 132   void SetReferrerPolicy(const nsAString& aReferrerPolicy,
 133                          ErrorResult& aError) {
 134     SetHTMLAttr(nsGkAtoms::referrerpolicy, aReferrerPolicy, aError);
 135   }
 136   void GetReferrerPolicy(nsAString& aReferrerPolicy) {
 137     GetEnumAttr(nsGkAtoms::referrerpolicy, "", aReferrerPolicy);
 138   }
 139
 140   nsDOMTokenList* Blocking();
 141   bool IsPotentiallyRenderBlocking() override;
 142
 143   // Required for the webidl-binding because `GetFetchPriority` is overloaded.
 144   using nsGenericHTMLElement::GetFetchPriority;
 145
 146   [[nodiscard]] static bool Supports(const GlobalObject& aGlobal,
 147                                      const nsAString& aType);
 148
 149  protected:
 150   virtual ~HTMLScriptElement();
 151
 152   virtual bool GetAsyncState() override { return Async(); }
 153
 154   virtual JSObject* WrapNode(JSContext* aCx,
 155                              JS::Handle<JSObject*> aGivenProto) override;
 156
 157   // nsIScriptElement
 158   nsIContent* GetAsContent() override { return this; }
 159
 160   // ScriptElement
 161   virtual bool HasScriptContent() override;
 162
 163   RefPtr<nsDOMTokenList> mBlocking;
 164 };
 165
 166 }  // namespace mozilla::dom
 167
 168 #endif  // mozilla_dom_HTMLScriptElement_h