77 lines
3.3 KiB
Plaintext
77 lines
3.3 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(a5d6e2f4-d3ec-11e4-b002-782bcbaebb28)]
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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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* @param aPrefixedFuncName
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* The webkit-prefixed gradient function: either
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* "-webkit-gradient", "-webkit-linear-gradient", or
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* "-webkit-radial-gradient".
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*
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* @param aPrefixedFuncBody
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* The body of the gradient function, inside (& not including) the
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* parenthesis.
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*
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* @param aUnprefixedFuncName[out]
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* The resulting unprefixed gradient function name:
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* either "linear-gradient" or "radial-gradient".
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*
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* @param aUnprefixedFuncBody[out]
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* The resulting unprefixed gradient function body, suitable for
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* including in a "linear-gradient(...)" or "radial-gradient(...)"
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* expression.
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*
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* @returns true if we were able to successfully parse aWebkitGradientStr
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* and populate the outparams accordingly; false otherwise.
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*
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*/
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boolean generateUnprefixedGradientValue(in AString aPrefixedFuncName,
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in AString aPrefixedFuncBody,
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out AString aUnprefixedFuncName,
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out AString aUnprefixedFuncBody);
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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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