mirror of
https://github.com/classilla/tenfourfox.git
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177 lines
5.7 KiB
C++
177 lines
5.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef HTMLFrameSetElement_h
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#define HTMLFrameSetElement_h
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#include "mozilla/Attributes.h"
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#include "nsIDOMHTMLFrameSetElement.h"
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#include "nsGenericHTMLElement.h"
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/**
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* The nsFramesetUnit enum is used to denote the type of each entry
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* in the row or column spec.
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*/
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enum nsFramesetUnit {
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eFramesetUnit_Fixed = 0,
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eFramesetUnit_Percent,
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eFramesetUnit_Relative
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};
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/**
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* The nsFramesetSpec struct is used to hold a single entry in the
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* row or column spec.
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*/
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struct nsFramesetSpec {
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nsFramesetUnit mUnit;
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nscoord mValue;
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};
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/**
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* The maximum number of entries allowed in the frame set element row
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* or column spec.
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*/
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#define NS_MAX_FRAMESET_SPEC_COUNT 16000
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//----------------------------------------------------------------------
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namespace mozilla {
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namespace dom {
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class OnBeforeUnloadEventHandlerNonNull;
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class HTMLFrameSetElement final : public nsGenericHTMLElement,
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public nsIDOMHTMLFrameSetElement
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{
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public:
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explicit HTMLFrameSetElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
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: nsGenericHTMLElement(aNodeInfo),
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mNumRows(0),
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mNumCols(0),
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mCurrentRowColHint(NS_STYLE_HINT_REFLOW)
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{
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SetHasWeirdParserInsertionMode();
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}
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NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLFrameSetElement, frameset)
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// nsIDOMHTMLFrameSetElement
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NS_DECL_NSIDOMHTMLFRAMESETELEMENT
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void GetCols(DOMString& aCols)
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{
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GetHTMLAttr(nsGkAtoms::cols, aCols);
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}
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void SetCols(const nsAString& aCols, ErrorResult& aError)
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{
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SetHTMLAttr(nsGkAtoms::cols, aCols, aError);
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}
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void GetRows(DOMString& aRows)
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{
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GetHTMLAttr(nsGkAtoms::rows, aRows);
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}
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void SetRows(const nsAString& aRows, ErrorResult& aError)
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{
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SetHTMLAttr(nsGkAtoms::rows, aRows, aError);
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}
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virtual bool IsEventAttributeName(nsIAtom *aName) override;
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// Event listener stuff; we need to declare only the ones we need to
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// forward to window that don't come from nsIDOMHTMLFrameSetElement.
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#define EVENT(name_, id_, type_, struct_) /* nothing; handled by the superclass */
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#define WINDOW_EVENT_HELPER(name_, type_) \
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type_* GetOn##name_(); \
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void SetOn##name_(type_* handler);
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#define WINDOW_EVENT(name_, id_, type_, struct_) \
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WINDOW_EVENT_HELPER(name_, EventHandlerNonNull)
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#define BEFOREUNLOAD_EVENT(name_, id_, type_, struct_) \
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WINDOW_EVENT_HELPER(name_, OnBeforeUnloadEventHandlerNonNull)
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#include "mozilla/EventNameList.h" // IWYU pragma: keep
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#undef BEFOREUNLOAD_EVENT
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#undef WINDOW_EVENT
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#undef WINDOW_EVENT_HELPER
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#undef EVENT
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// These override the SetAttr methods in nsGenericHTMLElement (need
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// both here to silence compiler warnings).
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nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
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const nsAString& aValue, bool aNotify)
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{
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return SetAttr(aNameSpaceID, aName, nullptr, aValue, aNotify);
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}
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virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
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nsIAtom* aPrefix, const nsAString& aValue,
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bool aNotify) override;
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/**
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* GetRowSpec is used to get the "rows" spec.
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* @param out int32_t aNumValues The number of row sizes specified.
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* @param out nsFramesetSpec* aSpecs The array of size specifications.
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This is _not_ owned by the caller, but by the nsFrameSetElement
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implementation. DO NOT DELETE IT.
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*/
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nsresult GetRowSpec(int32_t *aNumValues, const nsFramesetSpec** aSpecs);
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/**
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* GetColSpec is used to get the "cols" spec
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* @param out int32_t aNumValues The number of row sizes specified.
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* @param out nsFramesetSpec* aSpecs The array of size specifications.
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This is _not_ owned by the caller, but by the nsFrameSetElement
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implementation. DO NOT DELETE IT.
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*/
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nsresult GetColSpec(int32_t *aNumValues, const nsFramesetSpec** aSpecs);
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virtual bool ParseAttribute(int32_t aNamespaceID,
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nsIAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult) override;
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virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute,
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int32_t aModType) const override;
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
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protected:
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virtual ~HTMLFrameSetElement();
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virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
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private:
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nsresult ParseRowCol(const nsAString& aValue,
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int32_t& aNumSpecs,
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nsFramesetSpec** aSpecs);
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/**
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* The number of size specs in our "rows" attr
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*/
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int32_t mNumRows;
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/**
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* The number of size specs in our "cols" attr
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*/
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int32_t mNumCols;
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/**
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* The style hint to return for the rows/cols attrs in
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* GetAttributeChangeHint
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*/
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nsChangeHint mCurrentRowColHint;
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/**
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* The parsed representation of the "rows" attribute
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*/
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nsAutoArrayPtr<nsFramesetSpec> mRowSpecs; // parsed, non-computed dimensions
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/**
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* The parsed representation of the "cols" attribute
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*/
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nsAutoArrayPtr<nsFramesetSpec> mColSpecs; // parsed, non-computed dimensions
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};
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} // namespace dom
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} // namespace mozilla
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#endif // HTMLFrameSetElement_h
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