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cc0d195b68
Backed out changeset 44144b892414 (bug 1107378) Backed out changeset 5a8d5e8ff524 (bug 1107378) Backed out changeset 960037d0fc98 (bug 1107378) Backed out changeset 23fb39cb0f97 (bug 1107378)
49 lines
2.1 KiB
Plaintext
49 lines
2.1 KiB
Plaintext
/* -*- Mode: IDL; 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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/* interface for a service that converts certain vendor-prefixed CSS properties
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to their unprefixed equivalents */
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#include "nsISupports.idl"
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[scriptable, uuid(927a5c60-0378-4bcb-a50d-99e6d1fe6063)]
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interface nsICSSUnprefixingService : nsISupports
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{
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/**
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* This function helps to convert unsupported vendor-prefixed CSS into
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* supported unprefixed CSS. Given a vendor-prefixed property name and a
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* value (or e.g. value + trailing junk like " !important;}"), this function
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* will attempt to produce an equivalent CSS declaration that uses a
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* supported unprefixed CSS property.
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*
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* @param aPropName
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* The vendor-prefixed property name.
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*
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* @param aRightHalfOfDecl
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* Everything after the ":" in the CSS declaration. This includes
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* the property's value, along with possibly some leading whitespace
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* and trailing text like "!important", and possibly a ';' and/or
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* '}' (along with any other bogus text the author happens to
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* include before those, which will probably make the decl invalid).
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*
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* @param aUnprefixedDecl[out]
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* The resulting unprefixed declaration, if we return true.
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*
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* @return true if we were able to unprefix -- i.e. if we were able to
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* convert the property to a known unprefixed equivalent, and we also
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* performed any known-to-be-necessary fixup on the value, and we put
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* the result in aUnprefixedDecl.
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* Otherwise, this function returns false.
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*/
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boolean generateUnprefixedDeclaration(in AString aPropName,
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in AString aRightHalfOfDecl,
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out AString aUnprefixedDecl);
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};
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%{C++
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#define NS_CSSUNPREFIXINGSERVICE_CONTRACTID \
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"@mozilla.org/css-unprefixing-service;1"
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%}
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