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153 lines
5.1 KiB
C++
153 lines
5.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Mozilla SMIL module.
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*
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* The Initial Developer of the Original Code is Brian Birtles.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Brian Birtles <birtles@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsSMILSetAnimationFunction.h"
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inline PRBool
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nsSMILSetAnimationFunction::IsDisallowedAttribute(
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const nsIAtom* aAttribute) const
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{
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//
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// A <set> element is similar to <animate> but lacks:
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// AnimationValue.attrib(calcMode, values, keyTimes, keySplines, from, to,
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// by) -- BUT has 'to'
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// AnimationAddition.attrib(additive, accumulate)
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//
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if (aAttribute == nsGkAtoms::calcMode ||
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aAttribute == nsGkAtoms::values ||
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aAttribute == nsGkAtoms::keyTimes ||
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aAttribute == nsGkAtoms::keySplines ||
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aAttribute == nsGkAtoms::from ||
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aAttribute == nsGkAtoms::by ||
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aAttribute == nsGkAtoms::additive ||
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aAttribute == nsGkAtoms::accumulate) {
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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PRBool
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nsSMILSetAnimationFunction::SetAttr(nsIAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult,
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nsresult* aParseResult)
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{
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if (IsDisallowedAttribute(aAttribute)) {
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aResult.SetTo(aValue);
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if (aParseResult) {
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// SMILANIM 4.2 says:
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//
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// The additive and accumulate attributes are not allowed, and will be
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// ignored if specified.
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//
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// So at least for those two attributes we shouldn't report an error even
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// if they're present. For now we'll also just silently ignore other
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// attribute types too.
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*aParseResult = NS_OK;
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}
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return PR_TRUE;
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}
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return nsSMILAnimationFunction::SetAttr(aAttribute, aValue,
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aResult, aParseResult);
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}
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PRBool
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nsSMILSetAnimationFunction::UnsetAttr(nsIAtom* aAttribute)
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{
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if (IsDisallowedAttribute(aAttribute)) {
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return PR_TRUE;
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}
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return nsSMILAnimationFunction::UnsetAttr(aAttribute);
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}
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nsresult
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nsSMILSetAnimationFunction::InterpolateResult(const nsSMILValueArray& aValues,
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nsSMILValue& aResult,
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nsSMILValue& aBaseValue)
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{
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// Sanity Checks
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const nsSMILTime& dur = mSimpleDuration.GetMillis();
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NS_ABORT_IF_FALSE(mSampleTime >= 0.0f, "Sample time should not be negative");
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NS_ABORT_IF_FALSE(dur >= 0.0f, "Simple duration should not be negative");
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NS_ABORT_IF_FALSE(IsToAnimation(), "Set element only supports to-animation");
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if (mSampleTime >= dur || mSampleTime < 0) {
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NS_ERROR("Animation sampled outside interval.");
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return NS_ERROR_FAILURE;
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}
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if (aValues.Length() != 1) {
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NS_ERROR("Unexpected number of values.");
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return NS_ERROR_FAILURE;
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}
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// End Sanity Checks
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// Always use the 'to' value (which should be first & only elem in |aValues|)
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aResult = aValues[0];
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return NS_OK;
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}
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PRBool
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nsSMILSetAnimationFunction::HasAttr(nsIAtom* aAttName) const
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{
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if (IsDisallowedAttribute(aAttName))
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return PR_FALSE;
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return nsSMILAnimationFunction::HasAttr(aAttName);
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}
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const nsAttrValue*
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nsSMILSetAnimationFunction::GetAttr(nsIAtom* aAttName) const
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{
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if (IsDisallowedAttribute(aAttName))
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return nsnull;
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return nsSMILAnimationFunction::GetAttr(aAttName);
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}
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PRBool
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nsSMILSetAnimationFunction::GetAttr(nsIAtom* aAttName,
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nsAString& aResult) const
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{
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if (IsDisallowedAttribute(aAttName))
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return nsnull;
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return nsSMILAnimationFunction::GetAttr(aAttName, aResult);
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}
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