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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 mozilla_dom_HTMLSharedObjectElement_h
#define mozilla_dom_HTMLSharedObjectElement_h
#include "mozilla/Attributes.h"
#include "nsGenericHTMLElement.h"
#include "nsObjectLoadingContent.h"
#include "nsGkAtoms.h"
#include "nsError.h"
#include "nsIDOMHTMLAppletElement.h"
#include "nsIDOMHTMLEmbedElement.h"
namespace mozilla {
namespace dom {
class HTMLSharedObjectElement final : public nsGenericHTMLElement
, public nsObjectLoadingContent
, public nsIDOMHTMLAppletElement
, public nsIDOMHTMLEmbedElement
{
public:
explicit HTMLSharedObjectElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
mozilla::dom::FromParser aFromParser = mozilla::dom::NOT_FROM_PARSER);
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
virtual int32_t TabIndexDefault() override;
#ifdef XP_MACOSX
// nsIDOMEventTarget
NS_IMETHOD PostHandleEvent(EventChainPostVisitor& aVisitor) override;
#endif
// nsIDOMHTMLAppletElement
NS_DECL_NSIDOMHTMLAPPLETELEMENT
// Can't use macro for nsIDOMHTMLEmbedElement because it has conflicts with
// NS_DECL_NSIDOMHTMLAPPLETELEMENT.
// EventTarget
virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;
// nsIDOMHTMLEmbedElement
NS_IMETHOD GetSrc(nsAString &aSrc) override;
NS_IMETHOD SetSrc(const nsAString &aSrc) override;
NS_IMETHOD GetType(nsAString &aType) override;
NS_IMETHOD SetType(const nsAString &aType) override;
virtual nsresult BindToTree(nsIDocument *aDocument, nsIContent *aParent,
nsIContent *aBindingParent,
bool aCompileEventHandlers) override;
virtual void UnbindFromTree(bool aDeep = true,
bool aNullParent = true) override;
virtual bool IsHTMLFocusable(bool aWithMouse, bool *aIsFocusable, int32_t *aTabIndex) override;
virtual IMEState GetDesiredIMEState() override;
virtual void DoneAddingChildren(bool aHaveNotified) override;
virtual bool IsDoneAddingChildren() override;
virtual bool ParseAttribute(int32_t aNamespaceID,
nsIAtom *aAttribute,
const nsAString &aValue,
nsAttrValue &aResult) override;
virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom *aAttribute) const override;
virtual EventStates IntrinsicState() const override;
virtual void DestroyContent() override;
// nsObjectLoadingContent
virtual uint32_t GetCapabilities() const override;
virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
nsresult CopyInnerTo(Element* aDest);
void StartObjectLoad() { StartObjectLoad(true, false); }
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED_NO_UNLINK(HTMLSharedObjectElement,
nsGenericHTMLElement)
// WebIDL API for <applet>
void GetAlign(DOMString& aValue)
{
GetHTMLAttr(nsGkAtoms::align, aValue);
}
void SetAlign(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::align, aValue, aRv);
}
void GetAlt(DOMString& aValue)
{
GetHTMLAttr(nsGkAtoms::alt, aValue);
}
void SetAlt(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::alt, aValue, aRv);
}
void GetArchive(DOMString& aValue)
{
GetHTMLAttr(nsGkAtoms::archive, aValue);
}
void SetArchive(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::archive, aValue, aRv);
}
void GetCode(DOMString& aValue)
{
GetHTMLAttr(nsGkAtoms::code, aValue);
}
void SetCode(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::code, aValue, aRv);
}
// XPCOM GetCodebase is ok; note that it's a URI attribute
void SetCodeBase(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::codebase, aValue, aRv);
}
void GetHeight(DOMString& aValue)
{
GetHTMLAttr(nsGkAtoms::height, aValue);
}
void SetHeight(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::height, aValue, aRv);
}
uint32_t Hspace()
{
return GetUnsignedIntAttr(nsGkAtoms::hspace, 0);
}
void SetHspace(uint32_t aValue, ErrorResult& aRv)
{
SetUnsignedIntAttr(nsGkAtoms::hspace, aValue, 0, aRv);
}
void GetName(DOMString& aValue)
{
GetHTMLAttr(nsGkAtoms::name, aValue);
}
void SetName(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
}
// XPCOM GetObject is ok; note that it's a URI attribute with a weird base URI
void SetObject(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::object, aValue, aRv);
}
uint32_t Vspace()
{
return GetUnsignedIntAttr(nsGkAtoms::vspace, 0);
}
void SetVspace(uint32_t aValue, ErrorResult& aRv)
{
SetUnsignedIntAttr(nsGkAtoms::vspace, aValue, 0, aRv);
}
void GetWidth(DOMString& aValue)
{
GetHTMLAttr(nsGkAtoms::width, aValue);
}
void SetWidth(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::width, aValue, aRv);
}
// WebIDL <embed> api
// XPCOM GetSrc is ok; note that it's a URI attribute
void SetSrc(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::src, aValue, aRv);
}
void GetType(DOMString& aValue)
{
GetHTMLAttr(nsGkAtoms::type, aValue);
}
void SetType(const nsAString& aValue, ErrorResult& aRv)
{
SetHTMLAttr(nsGkAtoms::type, aValue, aRv);
}
// width covered by <applet>
// height covered by <applet>
// align covered by <applet>
// name covered by <applet>
nsIDocument*
GetSVGDocument(nsIPrincipal& aSubjectPrincipal)
{
return GetContentDocument(aSubjectPrincipal);
}
/**
* Calls LoadObject with the correct arguments to start the plugin load.
*/
void StartObjectLoad(bool aNotify, bool aForceLoad);
protected:
virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
bool aNotify) override;
virtual nsresult OnAttrSetButNotChanged(int32_t aNamespaceID, nsIAtom* aName,
const nsAttrValueOrString& aValue,
bool aNotify) override;
private:
virtual ~HTMLSharedObjectElement();
nsIAtom *URIAttrName() const
{
return mNodeInfo->Equals(nsGkAtoms::applet) ?
nsGkAtoms::code :
nsGkAtoms::src;
}
nsContentPolicyType GetContentPolicyType() const override;
// mIsDoneAddingChildren is only really used for <applet>. This boolean is
// always true for <embed>, per the documentation in nsIContent.h.
bool mIsDoneAddingChildren;
virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
static void MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
nsRuleData* aData);
/**
* This function is called by AfterSetAttr and OnAttrSetButNotChanged.
* It will not be called if the value is being unset.
*
* @param aNamespaceID the namespace of the attr being set
* @param aName the localname of the attribute being set
* @param aNotify Whether we plan to notify document observers.
*/
nsresult AfterMaybeChangeAttr(int32_t aNamespaceID, nsIAtom* aName,
bool aNotify);
/**
* Decides whether we should load embed node content.
*
* If this is an embed node there are cases in which we should not try to load
* the content:
*
* - If the embed node is the child of a media element
* - If the embed node is the child of an object node that already has
* content being loaded.
*
* In these cases, this function will return false, which will cause
* us to skip calling LoadObject.
*/
bool BlockEmbedContentLoading();
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_HTMLSharedObjectElement_h
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