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/* -*- 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() 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(nsIContentViewer* aCv, int32_t& aCharsetSource,
NotNull<const Encoding*>& aEncoding);
void TryUserForcedCharset(nsIContentViewer* aCv, 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___ */
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