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919bb7ded3
This is mostly straight-forward cleanup, but there's a behavior change which was an oversight from bug 1386840, the regular mObservers stuff didn't pass the right thing (was passing only mWasAlternate rather than whether it was deferred). I think that as a result, only in XML documents (since nsXMLContentSink is the only thing that adds itself as a global CSS loader observer that ever looks at this boolean), we may end up breaking this assert: https://searchfox.org/mozilla-central/rev/9ae20497229225cb3fa729a787791f424ff8087b/dom/base/nsContentSink.cpp#183 (If there are any sheets with non-matching media queries and such). But I couldn't find a test-case that broke it (tried SVG / XHTML), and in other documents like pure XML you cannot specify a media query... Differential Revision: https://phabricator.services.mozilla.com/D41091 --HG-- extra : moz-landing-system : lando
49 lines
1.9 KiB
C++
49 lines
1.9 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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/* internal interface for observing CSS style sheet loads */
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#ifndef nsICSSLoaderObserver_h___
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#define nsICSSLoaderObserver_h___
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#include "nsISupports.h"
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#define NS_ICSSLOADEROBSERVER_IID \
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{ \
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0xf51fbf2c, 0xfe4b, 0x4a15, { \
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0xaf, 0x7e, 0x5e, 0x20, 0x64, 0x5f, 0xaf, 0x58 \
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} \
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}
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namespace mozilla {
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class StyleSheet;
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}
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class nsICSSLoaderObserver : public nsISupports {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICSSLOADEROBSERVER_IID)
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/**
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* StyleSheetLoaded is called after aSheet is marked complete and before any
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* load events associated with aSheet are fired.
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* @param aSheet the sheet that was loaded. Guaranteed to always be
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* non-null, even if aStatus indicates failure.
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* @param aWasDeferred whether the sheet load was deferred, due to it being an
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* alternate sheet, or having a non-matching media list.
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* @param aStatus is a success code if the sheet loaded successfully and a
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* failure code otherwise. Note that successful load of aSheet
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* doesn't indicate anything about whether the data actually parsed
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* as CSS, and doesn't indicate anything about the status of any child
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* sheets of aSheet.
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*/
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NS_IMETHOD StyleSheetLoaded(mozilla::StyleSheet* aSheet, bool aWasDeferred,
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nsresult aStatus) = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsICSSLoaderObserver, NS_ICSSLOADEROBSERVER_IID)
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#endif // nsICSSLoaderObserver_h___
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