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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "core/animation/EffectInput.h"
#include "bindings/core/v8/Dictionary.h"
#include "core/animation/AnimationInputHelpers.h"
#include "core/animation/KeyframeEffectModel.h"
#include "core/animation/StringKeyframe.h"
#include "core/css/resolver/StyleResolver.h"
#include "core/dom/Document.h"
#include "core/dom/Element.h"
#include "wtf/NonCopyingSort.h"
namespace blink {
PassRefPtrWillBeRawPtr<AnimationEffect> EffectInput::convert(Element* element, const Vector<Dictionary>& keyframeDictionaryVector, ExceptionState& exceptionState)
{
// FIXME: Remove the dependency on element.
if (!element)
return nullptr;
StyleSheetContents* styleSheetContents = element->document().elementSheet().contents();
StringKeyframeVector keyframes;
double lastOffset = 0;
for (const auto& keyframeDictionary : keyframeDictionaryVector) {
RefPtrWillBeRawPtr<StringKeyframe> keyframe = StringKeyframe::create();
ScriptValue scriptValue;
bool frameHasOffset = DictionaryHelper::get(keyframeDictionary, "offset", scriptValue) && !scriptValue.isNull();
if (frameHasOffset) {
double offset;
DictionaryHelper::get(keyframeDictionary, "offset", offset);
// Keyframes with offsets outside the range [0.0, 1.0] are an error.
if (std::isnan(offset)) {
exceptionState.throwDOMException(InvalidModificationError, "Non numeric offset provided");
}
if (offset < 0 || offset > 1) {
exceptionState.throwDOMException(InvalidModificationError, "Offsets provided outside the range [0, 1]");
return nullptr;
}
if (offset < lastOffset) {
exceptionState.throwDOMException(InvalidModificationError, "Keyframes with specified offsets are not sorted");
return nullptr;
}
lastOffset = offset;
keyframe->setOffset(offset);
}
keyframes.append(keyframe);
String compositeString;
DictionaryHelper::get(keyframeDictionary, "composite", compositeString);
if (compositeString == "add")
keyframe->setComposite(AnimationEffect::CompositeAdd);
String timingFunctionString;
if (DictionaryHelper::get(keyframeDictionary, "easing", timingFunctionString)) {
if (RefPtr<TimingFunction> timingFunction = AnimationInputHelpers::parseTimingFunction(timingFunctionString))
keyframe->setEasing(timingFunction);
}
Vector<String> keyframeProperties;
keyframeDictionary.getPropertyNames(keyframeProperties);
for (const auto& property : keyframeProperties) {
CSSPropertyID id = AnimationInputHelpers::keyframeAttributeToCSSPropertyID(property);
if (id == CSSPropertyInvalid)
continue;
String value;
DictionaryHelper::get(keyframeDictionary, property, value);
keyframe->setPropertyValue(id, value, styleSheetContents);
}
}
RefPtrWillBeRawPtr<StringKeyframeEffectModel> keyframeEffectModel = StringKeyframeEffectModel::create(keyframes);
if (keyframeEffectModel->hasSyntheticKeyframes()) {
exceptionState.throwDOMException(NotSupportedError, "Partial keyframes are not supported.");
return nullptr;
}
if (!keyframeEffectModel->isReplaceOnly()) {
exceptionState.throwDOMException(NotSupportedError, "Additive animations are not supported.");
return nullptr;
}
keyframeEffectModel->forceConversionsToAnimatableValues(element);
return keyframeEffectModel;
}
} // namespace blink
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