/* -*- 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 HTMLFrameSetElement_h #define HTMLFrameSetElement_h #include "mozilla/Attributes.h" #include "mozilla/UniquePtr.h" #include "nsIDOMHTMLFrameSetElement.h" #include "nsGenericHTMLElement.h" /** * The nsFramesetUnit enum is used to denote the type of each entry * in the row or column spec. */ enum nsFramesetUnit { eFramesetUnit_Fixed = 0, eFramesetUnit_Percent, eFramesetUnit_Relative }; /** * The nsFramesetSpec struct is used to hold a single entry in the * row or column spec. */ struct nsFramesetSpec { nsFramesetUnit mUnit; nscoord mValue; }; /** * The maximum number of entries allowed in the frame set element row * or column spec. */ #define NS_MAX_FRAMESET_SPEC_COUNT 16000 //---------------------------------------------------------------------- namespace mozilla { namespace dom { class OnBeforeUnloadEventHandlerNonNull; class HTMLFrameSetElement final : public nsGenericHTMLElement, public nsIDOMHTMLFrameSetElement { public: explicit HTMLFrameSetElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo) : nsGenericHTMLElement(aNodeInfo), mNumRows(0), mNumCols(0), mCurrentRowColHint(NS_STYLE_HINT_REFLOW) { SetHasWeirdParserInsertionMode(); } NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLFrameSetElement, frameset) // nsISupports NS_DECL_ISUPPORTS_INHERITED // nsIDOMHTMLFrameSetElement NS_DECL_NSIDOMHTMLFRAMESETELEMENT void GetCols(DOMString& aCols) { GetHTMLAttr(nsGkAtoms::cols, aCols); } void SetCols(const nsAString& aCols, ErrorResult& aError) { SetHTMLAttr(nsGkAtoms::cols, aCols, aError); } void GetRows(DOMString& aRows) { GetHTMLAttr(nsGkAtoms::rows, aRows); } void SetRows(const nsAString& aRows, ErrorResult& aError) { SetHTMLAttr(nsGkAtoms::rows, aRows, aError); } virtual bool IsEventAttributeName(nsIAtom *aName) override; // Event listener stuff; we need to declare only the ones we need to // forward to window that don't come from nsIDOMHTMLFrameSetElement. #define EVENT(name_, id_, type_, struct_) /* nothing; handled by the superclass */ #define WINDOW_EVENT_HELPER(name_, type_) \ type_* GetOn##name_(); \ void SetOn##name_(type_* handler); #define WINDOW_EVENT(name_, id_, type_, struct_) \ WINDOW_EVENT_HELPER(name_, EventHandlerNonNull) #define BEFOREUNLOAD_EVENT(name_, id_, type_, struct_) \ WINDOW_EVENT_HELPER(name_, OnBeforeUnloadEventHandlerNonNull) #include "mozilla/EventNameList.h" // IWYU pragma: keep #undef BEFOREUNLOAD_EVENT #undef WINDOW_EVENT #undef WINDOW_EVENT_HELPER #undef EVENT // These override the SetAttr methods in nsGenericHTMLElement (need // both here to silence compiler warnings). nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName, const nsAString& aValue, bool aNotify) { return SetAttr(aNameSpaceID, aName, nullptr, aValue, aNotify); } virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName, nsIAtom* aPrefix, const nsAString& aValue, bool aNotify) override; /** * GetRowSpec is used to get the "rows" spec. * @param out int32_t aNumValues The number of row sizes specified. * @param out nsFramesetSpec* aSpecs The array of size specifications. This is _not_ owned by the caller, but by the nsFrameSetElement implementation. DO NOT DELETE IT. */ nsresult GetRowSpec(int32_t *aNumValues, const nsFramesetSpec** aSpecs); /** * GetColSpec is used to get the "cols" spec * @param out int32_t aNumValues The number of row sizes specified. * @param out nsFramesetSpec* aSpecs The array of size specifications. This is _not_ owned by the caller, but by the nsFrameSetElement implementation. DO NOT DELETE IT. */ nsresult GetColSpec(int32_t *aNumValues, const nsFramesetSpec** aSpecs); virtual bool ParseAttribute(int32_t aNamespaceID, nsIAtom* aAttribute, const nsAString& aValue, nsAttrValue& aResult) override; virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute, int32_t aModType) const override; virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override; protected: virtual ~HTMLFrameSetElement(); virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override; private: nsresult ParseRowCol(const nsAString& aValue, int32_t& aNumSpecs, UniquePtr<nsFramesetSpec[]>* aSpecs); /** * The number of size specs in our "rows" attr */ int32_t mNumRows; /** * The number of size specs in our "cols" attr */ int32_t mNumCols; /** * The style hint to return for the rows/cols attrs in * GetAttributeChangeHint */ nsChangeHint mCurrentRowColHint; /** * The parsed representation of the "rows" attribute */ UniquePtr<nsFramesetSpec[]> mRowSpecs; // parsed, non-computed dimensions /** * The parsed representation of the "cols" attribute */ UniquePtr<nsFramesetSpec[]> mColSpecs; // parsed, non-computed dimensions }; } // namespace dom } // namespace mozilla #endif // HTMLFrameSetElement_h