gecko-dev/dom/animation/KeyframeEffectParams.h
Boris Chiou 03d90dd78b Bug 1244590 - Part 3: Parse spacing. r=birtles
We only support spacing mode from Web Animations API, so add a simple parser and
use it only from the API. In this patch, parse spacing mode from the constructor
and throw TypeError if we have any parse error.

MozReview-Commit-ID: 9H7g80IcZfZ

--HG--
extra : rebase_source : e1bc781ff0f20a1a38c04e672832ec013edc549d
2016-05-13 16:38:25 +08:00

61 lines
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_KeyframeEffectParams_h
#define mozilla_KeyframeEffectParams_h
#include "nsCSSProps.h"
#include "nsString.h"
namespace mozilla {
enum class SpacingMode
{
distribute,
paced
};
struct KeyframeEffectParams
{
void GetSpacingAsString(nsAString& aSpacing) const
{
if (mSpacingMode == SpacingMode::distribute) {
aSpacing.AssignLiteral("distribute");
} else {
aSpacing.AssignLiteral("paced(");
aSpacing.AppendASCII(nsCSSProps::GetStringValue(mPacedProperty).get());
aSpacing.AppendLiteral(")");
}
}
/**
* Parse spacing string.
*
* @param aSpacing The input spacing string.
* @param [out] aSpacingMode The parsed spacing mode.
* @param [out] aPacedProperty The parsed CSS property if using paced spacing.
* @param [out] aInvalidPacedProperty A string that, if we parsed a string of
* the form 'paced(<ident>)' where <ident>
* is not a recognized animatable property,
* will be set to <ident>.
* @param [out] aRv The error result.
*/
static void ParseSpacing(const nsAString& aSpacing,
SpacingMode& aSpacingMode,
nsCSSProperty& aPacedProperty,
nsAString& aInvalidPacedProperty,
ErrorResult& aRv);
// FIXME: Bug 1216843: Add IterationCompositeOperations and
// Bug 1216844: Add CompositeOperation
SpacingMode mSpacingMode = SpacingMode::distribute;
nsCSSProperty mPacedProperty = eCSSProperty_UNKNOWN;
};
} // namespace mozilla
#endif // mozilla_KeyframeEffectParams_h