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451c7edf83
--HG-- rename : layout/style/CSSStyleSheet.cpp => layout/style/nsCSSStyleSheet.cpp rename : layout/style/CSSStyleSheet.h => layout/style/nsCSSStyleSheet.h
88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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/*
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* interface representing a collection of style data attached to a
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* document, which may be or be combined into a style rule processor
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*/
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#ifndef nsIStyleSheet_h___
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#define nsIStyleSheet_h___
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#include "mozilla/MemoryReporting.h"
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#include <stdio.h>
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#include "nsISupports.h"
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class nsString;
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class nsIURI;
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class nsIDocument;
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// IID for the nsIStyleSheet interface
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// 3eb34a60-04bd-41d9-9f60-882694e61c38
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#define NS_ISTYLE_SHEET_IID \
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{ 0x3eb34a60, 0x04bd, 0x41d9, \
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{ 0x9f, 0x60, 0x88, 0x26, 0x94, 0xe6, 0x1c, 0x38 } }
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/**
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* A style sheet is a thing associated with a document that has style
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* rules. Those style rules can be reached in one of two ways, depending
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* on which level of the nsStyleSet it is in:
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* 1) It can be |QueryInterface|d to nsIStyleRuleProcessor
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* 2) It can be |QueryInterface|d to CSSStyleSheet, with which the
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* |nsStyleSet| uses an |nsCSSRuleProcessor| to access the rules.
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*/
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class nsIStyleSheet : public nsISupports {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISTYLE_SHEET_IID)
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// basic style sheet data
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virtual nsIURI* GetSheetURI() const = 0;
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virtual nsIURI* GetBaseURI() const = 0;
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virtual void GetTitle(nsString& aTitle) const = 0;
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virtual void GetType(nsString& aType) const = 0;
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virtual bool HasRules() const = 0;
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/**
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* Whether the sheet is applicable. A sheet that is not applicable
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* should never be inserted into a style set. A sheet may not be
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* applicable for a variety of reasons including being disabled and
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* being incomplete.
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*
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*/
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virtual bool IsApplicable() const = 0;
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/**
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* Set the stylesheet to be enabled. This may or may not make it
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* applicable. Note that this WILL inform the sheet's document of
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* its new applicable state if the state changes but WILL NOT call
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* BeginUpdate() or EndUpdate() on the document -- calling those is
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* the caller's responsibility. This allows use of SetEnabled when
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* batched updates are desired. If you want updates handled for
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* you, see nsIDOMStyleSheet::SetDisabled().
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*/
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virtual void SetEnabled(bool aEnabled) = 0;
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/**
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* Whether the sheet is complete.
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*/
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virtual bool IsComplete() const = 0;
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virtual void SetComplete() = 0;
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// style sheet owner info
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virtual nsIStyleSheet* GetParentSheet() const = 0; // may be null
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virtual nsIDocument* GetOwningDocument() const = 0; // may be null
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virtual void SetOwningDocument(nsIDocument* aDocument) = 0;
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, int32_t aIndent = 0) const = 0;
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#endif
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virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIStyleSheet, NS_ISTYLE_SHEET_IID)
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#endif /* nsIStyleSheet_h___ */
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