1 files changed, 213 insertions, 0 deletions
diff --git a/dom/html/nsHTMLDocument.h b/dom/html/nsHTMLDocument.h
new file mode 100644
index 0000000000..652ffd91db
--- /dev/null
+++ b/dom/html/nsHTMLDocument.h
@@ -0,0 +1,213 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#ifndef nsHTMLDocument_h___
+#define nsHTMLDocument_h___
+
+#include "mozilla/Attributes.h"
+#include "nsContentList.h"
+#include "mozilla/dom/Document.h"
+#include "nsIHTMLCollection.h"
+#include "nsIScriptElement.h"
+#include "nsTArray.h"
+
+#include "PLDHashTable.h"
+#include "nsThreadUtils.h"
+#include "mozilla/dom/HTMLSharedElement.h"
+#include "mozilla/dom/BindingDeclarations.h"
+
+class nsCommandManager;
+class nsIURI;
+class nsIDocShell;
+class nsICachingChannel;
+class nsILoadGroup;
+
+namespace mozilla::dom {
+template <typename T>
+struct Nullable;
+class WindowProxyHolder;
+}  // namespace mozilla::dom
+
+class nsHTMLDocument : public mozilla::dom::Document {
+ protected:
+  using ReferrerPolicy = mozilla::dom::ReferrerPolicy;
+  using Document = mozilla::dom::Document;
+  using Encoding = mozilla::Encoding;
+  template <typename T>
+  using NotNull = mozilla::NotNull<T>;
+
+ public:
+  using Document::SetDocumentURI;
+
+  nsHTMLDocument();
+  virtual nsresult Init(nsIPrincipal* aPrincipal,
+                        nsIPrincipal* aPartitionedPrincipal) override;
+
+  // Document
+  virtual void Reset(nsIChannel* aChannel, nsILoadGroup* aLoadGroup) override;
+  virtual void ResetToURI(nsIURI* aURI, nsILoadGroup* aLoadGroup,
+                          nsIPrincipal* aPrincipal,
+                          nsIPrincipal* aPartitionedPrincipal) override;
+
+  virtual nsresult StartDocumentLoad(const char* aCommand, nsIChannel* aChannel,
+                                     nsILoadGroup* aLoadGroup,
+                                     nsISupports* aContainer,
+                                     nsIStreamListener** aDocListener,
+                                     bool aReset = true) override;
+
+ protected:
+  virtual bool UseWidthDeviceWidthFallbackViewport() const override;
+
+ public:
+  mozilla::dom::Element* GetUnfocusedKeyEventTarget() override;
+
+  nsContentList* GetExistingForms() const { return mForms; }
+
+  bool IsPlainText() const { return mIsPlainText; }
+
+  bool IsViewSource() const { return mViewSource; }
+
+  // Returns whether an object was found for aName.
+  bool ResolveName(JSContext* aCx, const nsAString& aName,
+                   JS::MutableHandle<JS::Value> aRetval,
+                   mozilla::ErrorResult& aError);
+
+  /**
+   * Called when form->BindToTree() is called so that document knows
+   * immediately when a form is added
+   */
+  void AddedForm();
+  /**
+   * Called when form->SetDocument() is called so that document knows
+   * immediately when a form is removed
+   */
+  void RemovedForm();
+  /**
+   * Called to get a better count of forms than document.forms can provide
+   * without calling FlushPendingNotifications (bug 138892).
+   */
+  // XXXbz is this still needed now that we can flush just content,
+  // not the rest?
+  int32_t GetNumFormsSynchronous() const;
+  void SetIsXHTML(bool aXHTML) { mType = (aXHTML ? eXHTML : eHTML); }
+
+  virtual nsresult Clone(mozilla::dom::NodeInfo*,
+                         nsINode** aResult) const override;
+
+  using mozilla::dom::DocumentOrShadowRoot::GetElementById;
+
+  virtual void DocAddSizeOfExcludingThis(
+      nsWindowSizes& aWindowSizes) const override;
+  // DocAddSizeOfIncludingThis is inherited from Document.
+
+  virtual bool WillIgnoreCharsetOverride() override;
+
+  // WebIDL API
+  virtual JSObject* WrapNode(JSContext* aCx,
+                             JS::Handle<JSObject*> aGivenProto) override;
+  bool IsRegistrableDomainSuffixOfOrEqualTo(const nsAString& aHostSuffixString,
+                                            const nsACString& aOrigHost);
+  void NamedGetter(JSContext* cx, const nsAString& aName, bool& aFound,
+                   JS::MutableHandle<JSObject*> aRetval,
+                   mozilla::ErrorResult& rv) {
+    JS::Rooted<JS::Value> v(cx);
+    if ((aFound = ResolveName(cx, aName, &v, rv))) {
+      SetUseCounter(mozilla::eUseCounter_custom_HTMLDocumentNamedGetterHit);
+      aRetval.set(v.toObjectOrNull());
+    }
+  }
+  void GetSupportedNames(nsTArray<nsString>& aNames);
+  // We're picking up GetLocation from Document
+  already_AddRefed<mozilla::dom::Location> GetLocation() const {
+    return Document::GetLocation();
+  }
+
+  static bool MatchFormControls(mozilla::dom::Element* aElement,
+                                int32_t aNamespaceID, nsAtom* aAtom,
+                                void* aData);
+
+  void GetFormsAndFormControls(nsContentList** aFormList,
+                               nsContentList** aFormControlList);
+
+ protected:
+  ~nsHTMLDocument();
+
+  nsresult GetBodySize(int32_t* aWidth, int32_t* aHeight);
+
+  nsIContent* MatchId(nsIContent* aContent, const nsAString& aId);
+
+  static void DocumentWriteTerminationFunc(nsISupports* aRef);
+
+  // A helper class to keep nsContentList objects alive for a short period of
+  // time. Note, when the final Release is called on an nsContentList object, it
+  // removes itself from MutationObserver list.
+  class ContentListHolder : public mozilla::Runnable {
+   public:
+    ContentListHolder(nsHTMLDocument* aDocument, nsContentList* aFormList,
+                      nsContentList* aFormControlList)
+        : mozilla::Runnable("ContentListHolder"),
+          mDocument(aDocument),
+          mFormList(aFormList),
+          mFormControlList(aFormControlList) {}
+
+    ~ContentListHolder() {
+      MOZ_ASSERT(!mDocument->mContentListHolder ||
+                 mDocument->mContentListHolder == this);
+      mDocument->mContentListHolder = nullptr;
+    }
+
+    RefPtr<nsHTMLDocument> mDocument;
+    RefPtr<nsContentList> mFormList;
+    RefPtr<nsContentList> mFormControlList;
+  };
+
+  friend class ContentListHolder;
+  ContentListHolder* mContentListHolder;
+
+  /** # of forms in the document, synchronously set */
+  int32_t mNumForms;
+
+  static void TryReloadCharset(nsIDocumentViewer* aViewer,
+                               int32_t& aCharsetSource,
+                               NotNull<const Encoding*>& aEncoding);
+  void TryUserForcedCharset(nsIDocumentViewer* aViewer, nsIDocShell* aDocShell,
+                            int32_t& aCharsetSource,
+                            NotNull<const Encoding*>& aEncoding,
+                            bool& aForceAutoDetection);
+  void TryParentCharset(nsIDocShell* aDocShell, int32_t& charsetSource,
+                        NotNull<const Encoding*>& aEncoding,
+                        bool& aForceAutoDetection);
+
+  // Load flags of the document's channel
+  uint32_t mLoadFlags;
+
+  bool mWarnedWidthHeight;
+
+  /**
+   * Set to true once we know that we are loading plain text content.
+   */
+  bool mIsPlainText;
+
+  /**
+   * Set to true once we know that we are viewing source.
+   */
+  bool mViewSource;
+};
+
+namespace mozilla::dom {
+
+inline nsHTMLDocument* Document::AsHTMLDocument() {
+  MOZ_ASSERT(IsHTMLOrXHTML());
+  return static_cast<nsHTMLDocument*>(this);
+}
+
+inline const nsHTMLDocument* Document::AsHTMLDocument() const {
+  MOZ_ASSERT(IsHTMLOrXHTML());
+  return static_cast<const nsHTMLDocument*>(this);
+}
+
+}  // namespace mozilla::dom
+
+#endif /* nsHTMLDocument_h___ */