gecko/dom/smil/nsSMILMappedAttribute.cpp
Robert O'Callahan b4e381e5df Bug 946065. Part 3: Move content/smil to dom/smil. r=Ms2ger
--HG--
rename : content/smil/SMILBoolType.cpp => dom/smil/SMILBoolType.cpp
rename : content/smil/SMILBoolType.h => dom/smil/SMILBoolType.h
rename : content/smil/SMILEnumType.cpp => dom/smil/SMILEnumType.cpp
rename : content/smil/SMILEnumType.h => dom/smil/SMILEnumType.h
rename : content/smil/SMILIntegerType.cpp => dom/smil/SMILIntegerType.cpp
rename : content/smil/SMILIntegerType.h => dom/smil/SMILIntegerType.h
rename : content/smil/SMILStringType.cpp => dom/smil/SMILStringType.cpp
rename : content/smil/SMILStringType.h => dom/smil/SMILStringType.h
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rename : content/smil/crashtests/crashtests.list => dom/smil/crashtests/crashtests.list
rename : content/smil/moz.build => dom/smil/moz.build
rename : content/smil/nsDOMTimeEvent.cpp => dom/smil/nsDOMTimeEvent.cpp
rename : content/smil/nsDOMTimeEvent.h => dom/smil/nsDOMTimeEvent.h
rename : content/smil/nsISMILAttr.h => dom/smil/nsISMILAttr.h
rename : content/smil/nsISMILType.h => dom/smil/nsISMILType.h
rename : content/smil/nsSMILAnimationController.cpp => dom/smil/nsSMILAnimationController.cpp
rename : content/smil/nsSMILAnimationController.h => dom/smil/nsSMILAnimationController.h
rename : content/smil/nsSMILAnimationFunction.cpp => dom/smil/nsSMILAnimationFunction.cpp
rename : content/smil/nsSMILAnimationFunction.h => dom/smil/nsSMILAnimationFunction.h
rename : content/smil/nsSMILCSSProperty.cpp => dom/smil/nsSMILCSSProperty.cpp
rename : content/smil/nsSMILCSSProperty.h => dom/smil/nsSMILCSSProperty.h
rename : content/smil/nsSMILCSSValueType.cpp => dom/smil/nsSMILCSSValueType.cpp
rename : content/smil/nsSMILCSSValueType.h => dom/smil/nsSMILCSSValueType.h
rename : content/smil/nsSMILCompositor.cpp => dom/smil/nsSMILCompositor.cpp
rename : content/smil/nsSMILCompositor.h => dom/smil/nsSMILCompositor.h
rename : content/smil/nsSMILCompositorTable.h => dom/smil/nsSMILCompositorTable.h
rename : content/smil/nsSMILFloatType.cpp => dom/smil/nsSMILFloatType.cpp
rename : content/smil/nsSMILFloatType.h => dom/smil/nsSMILFloatType.h
rename : content/smil/nsSMILInstanceTime.cpp => dom/smil/nsSMILInstanceTime.cpp
rename : content/smil/nsSMILInstanceTime.h => dom/smil/nsSMILInstanceTime.h
rename : content/smil/nsSMILInterval.cpp => dom/smil/nsSMILInterval.cpp
rename : content/smil/nsSMILInterval.h => dom/smil/nsSMILInterval.h
rename : content/smil/nsSMILKeySpline.cpp => dom/smil/nsSMILKeySpline.cpp
rename : content/smil/nsSMILKeySpline.h => dom/smil/nsSMILKeySpline.h
rename : content/smil/nsSMILMappedAttribute.cpp => dom/smil/nsSMILMappedAttribute.cpp
rename : content/smil/nsSMILMappedAttribute.h => dom/smil/nsSMILMappedAttribute.h
rename : content/smil/nsSMILMilestone.h => dom/smil/nsSMILMilestone.h
rename : content/smil/nsSMILNullType.cpp => dom/smil/nsSMILNullType.cpp
rename : content/smil/nsSMILNullType.h => dom/smil/nsSMILNullType.h
rename : content/smil/nsSMILParserUtils.cpp => dom/smil/nsSMILParserUtils.cpp
rename : content/smil/nsSMILParserUtils.h => dom/smil/nsSMILParserUtils.h
rename : content/smil/nsSMILRepeatCount.cpp => dom/smil/nsSMILRepeatCount.cpp
rename : content/smil/nsSMILRepeatCount.h => dom/smil/nsSMILRepeatCount.h
rename : content/smil/nsSMILSetAnimationFunction.cpp => dom/smil/nsSMILSetAnimationFunction.cpp
rename : content/smil/nsSMILSetAnimationFunction.h => dom/smil/nsSMILSetAnimationFunction.h
rename : content/smil/nsSMILTargetIdentifier.h => dom/smil/nsSMILTargetIdentifier.h
rename : content/smil/nsSMILTimeContainer.cpp => dom/smil/nsSMILTimeContainer.cpp
rename : content/smil/nsSMILTimeContainer.h => dom/smil/nsSMILTimeContainer.h
rename : content/smil/nsSMILTimeValue.cpp => dom/smil/nsSMILTimeValue.cpp
rename : content/smil/nsSMILTimeValue.h => dom/smil/nsSMILTimeValue.h
rename : content/smil/nsSMILTimeValueSpec.cpp => dom/smil/nsSMILTimeValueSpec.cpp
rename : content/smil/nsSMILTimeValueSpec.h => dom/smil/nsSMILTimeValueSpec.h
rename : content/smil/nsSMILTimeValueSpecParams.h => dom/smil/nsSMILTimeValueSpecParams.h
rename : content/smil/nsSMILTimedElement.cpp => dom/smil/nsSMILTimedElement.cpp
rename : content/smil/nsSMILTimedElement.h => dom/smil/nsSMILTimedElement.h
rename : content/smil/nsSMILTypes.h => dom/smil/nsSMILTypes.h
rename : content/smil/nsSMILValue.cpp => dom/smil/nsSMILValue.cpp
rename : content/smil/nsSMILValue.h => dom/smil/nsSMILValue.h
rename : content/smil/test/db_smilAnimateMotion.js => dom/smil/test/db_smilAnimateMotion.js
rename : content/smil/test/db_smilCSSFromBy.js => dom/smil/test/db_smilCSSFromBy.js
rename : content/smil/test/db_smilCSSFromTo.js => dom/smil/test/db_smilCSSFromTo.js
rename : content/smil/test/db_smilCSSPaced.js => dom/smil/test/db_smilCSSPaced.js
rename : content/smil/test/db_smilCSSPropertyList.js => dom/smil/test/db_smilCSSPropertyList.js
rename : content/smil/test/db_smilMappedAttrList.js => dom/smil/test/db_smilMappedAttrList.js
rename : content/smil/test/mochitest.ini => dom/smil/test/mochitest.ini
rename : content/smil/test/moz.build => dom/smil/test/moz.build
rename : content/smil/test/smilAnimateMotionValueLists.js => dom/smil/test/smilAnimateMotionValueLists.js
rename : content/smil/test/smilExtDoc_helper.svg => dom/smil/test/smilExtDoc_helper.svg
rename : content/smil/test/smilTestUtils.js => dom/smil/test/smilTestUtils.js
rename : content/smil/test/smilXHR_helper.svg => dom/smil/test/smilXHR_helper.svg
rename : content/smil/test/test_smilAccessKey.xhtml => dom/smil/test/test_smilAccessKey.xhtml
rename : content/smil/test/test_smilAnimateMotion.xhtml => dom/smil/test/test_smilAnimateMotion.xhtml
rename : content/smil/test/test_smilAnimateMotionInvalidValues.xhtml => dom/smil/test/test_smilAnimateMotionInvalidValues.xhtml
rename : content/smil/test/test_smilAnimateMotionOverrideRules.xhtml => dom/smil/test/test_smilAnimateMotionOverrideRules.xhtml
rename : content/smil/test/test_smilBackwardsSeeking.xhtml => dom/smil/test/test_smilBackwardsSeeking.xhtml
rename : content/smil/test/test_smilCSSFontStretchRelative.xhtml => dom/smil/test/test_smilCSSFontStretchRelative.xhtml
rename : content/smil/test/test_smilCSSFromBy.xhtml => dom/smil/test/test_smilCSSFromBy.xhtml
rename : content/smil/test/test_smilCSSFromTo.xhtml => dom/smil/test/test_smilCSSFromTo.xhtml
rename : content/smil/test/test_smilCSSInherit.xhtml => dom/smil/test/test_smilCSSInherit.xhtml
rename : content/smil/test/test_smilCSSInvalidValues.xhtml => dom/smil/test/test_smilCSSInvalidValues.xhtml
rename : content/smil/test/test_smilCSSPaced.xhtml => dom/smil/test/test_smilCSSPaced.xhtml
rename : content/smil/test/test_smilChangeAfterFrozen.xhtml => dom/smil/test/test_smilChangeAfterFrozen.xhtml
rename : content/smil/test/test_smilContainerBinding.xhtml => dom/smil/test/test_smilContainerBinding.xhtml
rename : content/smil/test/test_smilCrossContainer.xhtml => dom/smil/test/test_smilCrossContainer.xhtml
rename : content/smil/test/test_smilDynamicDelayedBeginElement.xhtml => dom/smil/test/test_smilDynamicDelayedBeginElement.xhtml
rename : content/smil/test/test_smilExtDoc.xhtml => dom/smil/test/test_smilExtDoc.xhtml
rename : content/smil/test/test_smilFillMode.xhtml => dom/smil/test/test_smilFillMode.xhtml
rename : content/smil/test/test_smilGetSimpleDuration.xhtml => dom/smil/test/test_smilGetSimpleDuration.xhtml
rename : content/smil/test/test_smilGetStartTime.xhtml => dom/smil/test/test_smilGetStartTime.xhtml
rename : content/smil/test/test_smilHyperlinking.xhtml => dom/smil/test/test_smilHyperlinking.xhtml
rename : content/smil/test/test_smilInvalidValues.html => dom/smil/test/test_smilInvalidValues.html
rename : content/smil/test/test_smilKeySplines.xhtml => dom/smil/test/test_smilKeySplines.xhtml
rename : content/smil/test/test_smilKeyTimes.xhtml => dom/smil/test/test_smilKeyTimes.xhtml
rename : content/smil/test/test_smilKeyTimesPacedMode.xhtml => dom/smil/test/test_smilKeyTimesPacedMode.xhtml
rename : content/smil/test/test_smilMappedAttrFromBy.xhtml => dom/smil/test/test_smilMappedAttrFromBy.xhtml
rename : content/smil/test/test_smilMappedAttrFromTo.xhtml => dom/smil/test/test_smilMappedAttrFromTo.xhtml
rename : content/smil/test/test_smilMappedAttrPaced.xhtml => dom/smil/test/test_smilMappedAttrPaced.xhtml
rename : content/smil/test/test_smilMinTiming.html => dom/smil/test/test_smilMinTiming.html
rename : content/smil/test/test_smilRepeatDuration.html => dom/smil/test/test_smilRepeatDuration.html
rename : content/smil/test/test_smilRepeatTiming.xhtml => dom/smil/test/test_smilRepeatTiming.xhtml
rename : content/smil/test/test_smilReset.xhtml => dom/smil/test/test_smilReset.xhtml
rename : content/smil/test/test_smilRestart.xhtml => dom/smil/test/test_smilRestart.xhtml
rename : content/smil/test/test_smilSetCurrentTime.xhtml => dom/smil/test/test_smilSetCurrentTime.xhtml
rename : content/smil/test/test_smilSync.xhtml => dom/smil/test/test_smilSync.xhtml
rename : content/smil/test/test_smilSyncTransform.xhtml => dom/smil/test/test_smilSyncTransform.xhtml
rename : content/smil/test/test_smilSyncbaseTarget.xhtml => dom/smil/test/test_smilSyncbaseTarget.xhtml
rename : content/smil/test/test_smilTextZoom.xhtml => dom/smil/test/test_smilTextZoom.xhtml
rename : content/smil/test/test_smilTimeEvents.xhtml => dom/smil/test/test_smilTimeEvents.xhtml
rename : content/smil/test/test_smilTiming.xhtml => dom/smil/test/test_smilTiming.xhtml
rename : content/smil/test/test_smilTimingZeroIntervals.xhtml => dom/smil/test/test_smilTimingZeroIntervals.xhtml
rename : content/smil/test/test_smilUpdatedInterval.xhtml => dom/smil/test/test_smilUpdatedInterval.xhtml
rename : content/smil/test/test_smilValues.xhtml => dom/smil/test/test_smilValues.xhtml
rename : content/smil/test/test_smilXHR.xhtml => dom/smil/test/test_smilXHR.xhtml
extra : rebase_source : 4038f574b020b79d3725efd91eeef457d9d6a0b0
2014-01-03 14:49:22 +13:00

150 lines
5.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
/* representation of a SMIL-animatable mapped attribute on an element */
#include "nsSMILMappedAttribute.h"
#include "nsContentUtils.h"
#include "nsError.h" // For NS_PROPTABLE_PROP_OVERWRITTEN
#include "nsSMILValue.h"
#include "nsSMILCSSValueType.h"
#include "nsIDocument.h"
#include "nsIPresShell.h"
#include "nsCSSProps.h"
#include "mozilla/dom/Element.h"
// Callback function, for freeing string buffers stored in property table
static void
ReleaseStringBufferPropertyValue(void* aObject, /* unused */
nsIAtom* aPropertyName, /* unused */
void* aPropertyValue,
void* aData /* unused */)
{
nsStringBuffer* buf = static_cast<nsStringBuffer*>(aPropertyValue);
buf->Release();
}
nsresult
nsSMILMappedAttribute::ValueFromString(const nsAString& aStr,
const mozilla::dom::SVGAnimationElement* aSrcElement,
nsSMILValue& aValue,
bool& aPreventCachingOfSandwich) const
{
NS_ENSURE_TRUE(IsPropertyAnimatable(mPropID), NS_ERROR_FAILURE);
nsSMILCSSValueType::ValueFromString(mPropID, mElement, aStr, aValue,
&aPreventCachingOfSandwich);
return aValue.IsNull() ? NS_ERROR_FAILURE : NS_OK;
}
nsSMILValue
nsSMILMappedAttribute::GetBaseValue() const
{
nsAutoString baseStringValue;
nsRefPtr<nsIAtom> attrName = GetAttrNameAtom();
bool success = mElement->GetAttr(kNameSpaceID_None, attrName,
baseStringValue);
nsSMILValue baseValue;
if (success) {
// For base values, we don't need to worry whether the value returned is
// context-sensitive or not since the compositor will take care of comparing
// the returned (computed) base value and its cached value and determining
// if an update is required or not.
nsSMILCSSValueType::ValueFromString(mPropID, mElement,
baseStringValue, baseValue, nullptr);
} else {
// Attribute is unset -- use computed value.
// FIRST: Temporarily clear animated value, to make sure it doesn't pollute
// the computed value. (We want base value, _without_ animations applied.)
void* buf = mElement->UnsetProperty(SMIL_MAPPED_ATTR_ANIMVAL,
attrName, nullptr);
FlushChangesToTargetAttr();
// SECOND: we use nsSMILCSSProperty::GetBaseValue to look up the property's
// computed value. NOTE: This call will temporarily clear the SMIL
// override-style for the corresponding CSS property on our target element.
// This prevents any animations that target the CSS property from affecting
// animations that target the mapped attribute.
baseValue = nsSMILCSSProperty::GetBaseValue();
// FINALLY: If we originally had an animated value set, then set it again.
if (buf) {
mElement->SetProperty(SMIL_MAPPED_ATTR_ANIMVAL, attrName, buf,
ReleaseStringBufferPropertyValue);
FlushChangesToTargetAttr();
}
}
return baseValue;
}
nsresult
nsSMILMappedAttribute::SetAnimValue(const nsSMILValue& aValue)
{
NS_ENSURE_TRUE(IsPropertyAnimatable(mPropID), NS_ERROR_FAILURE);
// Convert nsSMILValue to string
nsAutoString valStr;
if (!nsSMILCSSValueType::ValueToString(aValue, valStr)) {
NS_WARNING("Failed to convert nsSMILValue for mapped attr into a string");
return NS_ERROR_FAILURE;
}
nsRefPtr<nsIAtom> attrName = GetAttrNameAtom();
nsStringBuffer* oldValStrBuf = static_cast<nsStringBuffer*>
(mElement->GetProperty(SMIL_MAPPED_ATTR_ANIMVAL, attrName));
if (oldValStrBuf) {
nsString oldValStr;
nsContentUtils::PopulateStringFromStringBuffer(oldValStrBuf, oldValStr);
if (valStr.Equals(oldValStr)) {
// New animated value is the same as the old; nothing to do.
return NS_OK;
}
}
// Set the string as this mapped attribute's animated value.
nsStringBuffer* valStrBuf =
nsCSSValue::BufferFromString(nsString(valStr)).get();
nsresult rv = mElement->SetProperty(SMIL_MAPPED_ATTR_ANIMVAL,
attrName, valStrBuf,
ReleaseStringBufferPropertyValue);
if (rv == NS_PROPTABLE_PROP_OVERWRITTEN) {
rv = NS_OK;
}
FlushChangesToTargetAttr();
return rv;
}
void
nsSMILMappedAttribute::ClearAnimValue()
{
nsRefPtr<nsIAtom> attrName = GetAttrNameAtom();
mElement->DeleteProperty(SMIL_MAPPED_ATTR_ANIMVAL, attrName);
FlushChangesToTargetAttr();
}
void
nsSMILMappedAttribute::FlushChangesToTargetAttr() const
{
// Clear animated content-style-rule
mElement->DeleteProperty(SMIL_MAPPED_ATTR_ANIMVAL,
SMIL_MAPPED_ATTR_STYLERULE_ATOM);
nsIDocument* doc = mElement->GetCurrentDoc();
// Request animation restyle
if (doc) {
nsIPresShell* shell = doc->GetShell();
if (shell) {
shell->RestyleForAnimation(mElement, eRestyle_Self);
}
}
}
already_AddRefed<nsIAtom>
nsSMILMappedAttribute::GetAttrNameAtom() const
{
return do_GetAtom(nsCSSProps::GetStringValue(mPropID));
}