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102 lines
3.6 KiB
C++
102 lines
3.6 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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#ifndef nsIStyleSheetLinkingElement_h__
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#define nsIStyleSheetLinkingElement_h__
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#include "nsISupports.h"
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class nsICSSLoaderObserver;
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class nsIURI;
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#define NS_ISTYLESHEETLINKINGELEMENT_IID \
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{ 0xd753c84a, 0x17fd, 0x4d5f, \
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{ 0xb2, 0xe9, 0x63, 0x52, 0x8c, 0x87, 0x99, 0x7a } }
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namespace mozilla {
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class CSSStyleSheet;
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} // namespace mozilla
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class nsIStyleSheetLinkingElement : public nsISupports {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISTYLESHEETLINKINGELEMENT_IID)
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/**
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* Used to make the association between a style sheet and
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* the element that linked it to the document.
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*
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* @param aStyleSheet the style sheet associated with this
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* element.
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*/
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NS_IMETHOD SetStyleSheet(mozilla::CSSStyleSheet* aStyleSheet) = 0;
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/**
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* Used to obtain the style sheet linked in by this element.
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*
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* @return the style sheet associated with this element.
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*/
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NS_IMETHOD_(mozilla::CSSStyleSheet*) GetStyleSheet() = 0;
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/**
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* Initialize the stylesheet linking element. If aDontLoadStyle is
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* true the element will ignore the first modification to the
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* element that would cause a stylesheet to be loaded. Subsequent
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* modifications to the element will not be ignored.
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*/
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NS_IMETHOD InitStyleLinkElement(bool aDontLoadStyle) = 0;
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/**
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* Tells this element to update the stylesheet.
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*
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* @param aObserver observer to notify once the stylesheet is loaded.
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* This will be passed to the CSSLoader
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* @param [out] aWillNotify whether aObserver will be notified when the sheet
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* loads. If this is false, then either we didn't
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* start the sheet load at all, the load failed, or
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* this was an inline sheet that completely finished
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* loading. In the case when the load failed the
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* failure code will be returned.
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* @param [out] whether the sheet is an alternate sheet. This value is only
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* meaningful if aWillNotify is true.
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*/
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NS_IMETHOD UpdateStyleSheet(nsICSSLoaderObserver* aObserver,
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bool *aWillNotify,
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bool *aIsAlternate) = 0;
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/**
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* Tells this element whether to update the stylesheet when the
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* element's properties change.
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*
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* @param aEnableUpdates update on changes or not.
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*/
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NS_IMETHOD SetEnableUpdates(bool aEnableUpdates) = 0;
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/**
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* Gets the charset that the element claims the style sheet is in
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*
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* @param aCharset the charset
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*/
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NS_IMETHOD GetCharset(nsAString& aCharset) = 0;
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/**
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* Tells this element to use a different base URI. This is used for
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* proper loading of xml-stylesheet processing instructions in XUL overlays
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* and is only currently used by nsXMLStylesheetPI.
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*
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* @param aNewBaseURI the new base URI, nullptr to use the default base URI.
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*/
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virtual void OverrideBaseURI(nsIURI* aNewBaseURI) = 0;
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// This doesn't entirely belong here since they only make sense for
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// some types of linking elements, but it's a better place than
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// anywhere else.
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virtual void SetLineNumber(uint32_t aLineNumber) = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIStyleSheetLinkingElement,
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NS_ISTYLESHEETLINKINGELEMENT_IID)
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#endif // nsILinkingElement_h__
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