コード例 #1
0
static already_AddRefed<nsStyleContext>
CreateStyleContextForAnimationValue(nsCSSPropertyID aProperty,
                                    const StyleAnimationValue& aValue,
                                    nsStyleContext* aBaseStyleContext)
{
  MOZ_ASSERT(aBaseStyleContext,
             "CreateStyleContextForAnimationValue needs to be called "
             "with a valid nsStyleContext");

  RefPtr<AnimValuesStyleRule> styleRule = new AnimValuesStyleRule();
  styleRule->AddValue(aProperty, aValue);

  nsCOMArray<nsIStyleRule> rules;
  rules.AppendObject(styleRule);

  MOZ_ASSERT(aBaseStyleContext->PresContext()->StyleSet()->IsGecko(),
             "ServoStyleSet should not use StyleAnimationValue for animations");
  nsStyleSet* styleSet =
    aBaseStyleContext->PresContext()->StyleSet()->AsGecko();

  RefPtr<nsStyleContext> styleContext =
    styleSet->ResolveStyleByAddingRules(aBaseStyleContext, rules);

  // We need to call StyleData to generate cached data for the style context.
  // Otherwise CalcStyleDifference returns no meaningful result.
  styleContext->StyleData(nsCSSProps::kSIDTable[aProperty]);

  return styleContext.forget();
}
コード例 #2
0
RefPtr< PropertyLine<Vector2> > PropertyLineYamlReader::CreateVector2PropertyLineFromYamlNode( YamlNode * parentNode, const String & propertyName, RefPtr< PropertyLine<Vector2> > defaultPropertyLine /*= 0*/ )
{
	YamlNode * node = parentNode->Get(propertyName);
	if (!node)return defaultPropertyLine;

	if (node->GetType() == YamlNode::TYPE_STRING)
	{
		float32 v = node->AsFloat();
		return RefPtr< PropertyLine<Vector2> >(new PropertyLineValue<Vector2>(Vector2(v, v)));
	}else if (node->GetType() == YamlNode::TYPE_ARRAY)
	{
		if (node->GetCount() == 2)
		{
			Vector2 res(1.0f, 1.0f);
			res = node->AsPoint();
			return RefPtr< PropertyLine<Vector2> >(new PropertyLineValue<Vector2>(res));
		}

		RefPtr< PropertyLineKeyframes<Vector2> > keyframes (new PropertyLineKeyframes<Vector2>());

		for (int k = 0; k < node->GetCount() / 2; ++k)
		{
			YamlNode * time = node->Get(k * 2);
			YamlNode * value = node->Get(k * 2 + 1);

			if (time && value)
			{
				if (value->GetType() == YamlNode::TYPE_ARRAY)
				{
					keyframes->AddValue(time->AsFloat(), value->AsPoint());
				}
				else 
				{
					float32 v = value->AsFloat();
					keyframes->AddValue(time->AsFloat(), Vector2(v, v));
				}
			}
		}
		return keyframes;
	}

	return RefPtr< PropertyLine<Vector2> >();
}
コード例 #3
0
RefPtr< PropertyLine<Color> > PropertyLineYamlReader::CreateColorPropertyLineFromYamlNode( YamlNode * parentNode, const String & propertyName, RefPtr< PropertyLine<Color> > defaultPropertyLine)
{
	YamlNode * node = parentNode->Get(propertyName);
	if (!node)return defaultPropertyLine;

	if (node->GetType() == YamlNode::TYPE_ARRAY)
	{
		bool allString = true;
		for (int k = 0; k < node->GetCount(); ++k)
			if (node->Get(k)->GetType() != YamlNode::TYPE_STRING)
				allString = false;

		if (allString && node->GetCount() == 4)
		{
			return RefPtr< PropertyLine<Color> >(new PropertyLineValue<Color>(ColorFromYamlNode(node)));
		}else
		{
			RefPtr< PropertyLineKeyframes<Color> > keyframes (new PropertyLineKeyframes<Color>());

			for (int k = 0; k < node->GetCount() / 2; ++k)
			{
				YamlNode * time = node->Get(k * 2);
				YamlNode * value = node->Get(k * 2 + 1);

				if (time && value)
				{
					if (value->GetType() == YamlNode::TYPE_ARRAY)
					{
						keyframes->AddValue(time->AsFloat(), ColorFromYamlNode(value));
					}
				}
			}
			return keyframes;
		}
	}
	return RefPtr< PropertyLine<Color> >();
}
コード例 #4
0
void
KeyframeEffectReadOnly::ComposeStyle(RefPtr<AnimValuesStyleRule>& aStyleRule,
                                     nsCSSPropertyIDSet& aSetProperties)
{
  ComputedTiming computedTiming = GetComputedTiming();
  mProgressOnLastCompose = computedTiming.mProgress;

  // If the progress is null, we don't have fill data for the current
  // time so we shouldn't animate.
  if (computedTiming.mProgress.IsNull()) {
    return;
  }

  for (size_t propIdx = 0, propEnd = mProperties.Length();
       propIdx != propEnd; ++propIdx)
  {
    const AnimationProperty& prop = mProperties[propIdx];

    MOZ_ASSERT(prop.mSegments[0].mFromKey == 0.0, "incorrect first from key");
    MOZ_ASSERT(prop.mSegments[prop.mSegments.Length() - 1].mToKey == 1.0,
               "incorrect last to key");

    if (aSetProperties.HasProperty(prop.mProperty)) {
      // Animations are composed by EffectCompositor by iterating
      // from the last animation to first. For animations targetting the
      // same property, the later one wins. So if this property is already set,
      // we should not override it.
      continue;
    }

    if (!prop.mWinsInCascade) {
      // This isn't the winning declaration, so don't add it to style.
      // For transitions, this is important, because it's how we
      // implement the rule that CSS transitions don't run when a CSS
      // animation is running on the same property and element.  For
      // animations, this is only skipping things that will otherwise be
      // overridden.
      continue;
    }

    aSetProperties.AddProperty(prop.mProperty);

    MOZ_ASSERT(prop.mSegments.Length() > 0,
               "property should not be in animations if it has no segments");

    // FIXME: Maybe cache the current segment?
    const AnimationPropertySegment *segment = prop.mSegments.Elements(),
                                *segmentEnd = segment + prop.mSegments.Length();
    while (segment->mToKey <= computedTiming.mProgress.Value()) {
      MOZ_ASSERT(segment->mFromKey <= segment->mToKey, "incorrect keys");
      if ((segment+1) == segmentEnd) {
        break;
      }
      ++segment;
      MOZ_ASSERT(segment->mFromKey == (segment-1)->mToKey, "incorrect keys");
    }
    MOZ_ASSERT(segment->mFromKey <= segment->mToKey, "incorrect keys");
    MOZ_ASSERT(segment >= prop.mSegments.Elements() &&
               size_t(segment - prop.mSegments.Elements()) <
                 prop.mSegments.Length(),
               "out of array bounds");

    if (!aStyleRule) {
      // Allocate the style rule now that we know we have animation data.
      aStyleRule = new AnimValuesStyleRule();
    }

    // Special handling for zero-length segments
    if (segment->mToKey == segment->mFromKey) {
      if (computedTiming.mProgress.Value() < 0) {
        aStyleRule->AddValue(prop.mProperty, segment->mFromValue);
      } else {
        aStyleRule->AddValue(prop.mProperty, segment->mToValue);
      }
      continue;
    }

    double positionInSegment =
      (computedTiming.mProgress.Value() - segment->mFromKey) /
      (segment->mToKey - segment->mFromKey);
    double valuePosition =
      ComputedTimingFunction::GetPortion(segment->mTimingFunction,
                                         positionInSegment,
                                         computedTiming.mBeforeFlag);

    MOZ_ASSERT(IsFinite(valuePosition), "Position value should be finite");
    StyleAnimationValue val;
    if (StyleAnimationValue::Interpolate(prop.mProperty,
                                         segment->mFromValue,
                                         segment->mToValue,
                                         valuePosition, val)) {
      aStyleRule->AddValue(prop.mProperty, Move(val));
    } else if (valuePosition < 0.5) {
      aStyleRule->AddValue(prop.mProperty, segment->mFromValue);
    } else {
      aStyleRule->AddValue(prop.mProperty, segment->mToValue);
    }
  }
}
コード例 #5
0
void
KeyframeEffectReadOnly::ComposeStyle(
  RefPtr<AnimValuesStyleRule>& aStyleRule,
  const nsCSSPropertyIDSet& aPropertiesToSkip)
{
  ComputedTiming computedTiming = GetComputedTiming();
  mProgressOnLastCompose = computedTiming.mProgress;
  mCurrentIterationOnLastCompose = computedTiming.mCurrentIteration;

  // If the progress is null, we don't have fill data for the current
  // time so we shouldn't animate.
  if (computedTiming.mProgress.IsNull()) {
    return;
  }

  for (size_t propIdx = 0, propEnd = mProperties.Length();
       propIdx != propEnd; ++propIdx)
  {
    const AnimationProperty& prop = mProperties[propIdx];

    MOZ_ASSERT(prop.mSegments[0].mFromKey == 0.0, "incorrect first from key");
    MOZ_ASSERT(prop.mSegments[prop.mSegments.Length() - 1].mToKey == 1.0,
               "incorrect last to key");

    if (aPropertiesToSkip.HasProperty(prop.mProperty)) {
      continue;
    }

    MOZ_ASSERT(prop.mSegments.Length() > 0,
               "property should not be in animations if it has no segments");

    // FIXME: Maybe cache the current segment?
    const AnimationPropertySegment *segment = prop.mSegments.Elements(),
                                *segmentEnd = segment + prop.mSegments.Length();
    while (segment->mToKey <= computedTiming.mProgress.Value()) {
      MOZ_ASSERT(segment->mFromKey <= segment->mToKey, "incorrect keys");
      if ((segment+1) == segmentEnd) {
        break;
      }
      ++segment;
      MOZ_ASSERT(segment->mFromKey == (segment-1)->mToKey, "incorrect keys");
    }
    MOZ_ASSERT(segment->mFromKey <= segment->mToKey, "incorrect keys");
    MOZ_ASSERT(segment >= prop.mSegments.Elements() &&
               size_t(segment - prop.mSegments.Elements()) <
                 prop.mSegments.Length(),
               "out of array bounds");

    if (!aStyleRule) {
      // Allocate the style rule now that we know we have animation data.
      aStyleRule = new AnimValuesStyleRule();
    }

    StyleAnimationValue fromValue = segment->mFromValue;
    StyleAnimationValue toValue = segment->mToValue;
    // Iteration composition for accumulate
    if (mEffectOptions.mIterationComposite ==
          IterationCompositeOperation::Accumulate &&
        computedTiming.mCurrentIteration > 0) {
      const AnimationPropertySegment& lastSegment =
        prop.mSegments.LastElement();
      // FIXME: Bug 1293492: Add a utility function to calculate both of
      // below StyleAnimationValues.
      DebugOnly<bool> accumulateResult =
        StyleAnimationValue::Accumulate(prop.mProperty,
                                        fromValue,
                                        lastSegment.mToValue,
                                        computedTiming.mCurrentIteration);
      // We can't check the accumulation result in case of filter property.
      // That's because some filter property can't accumulate,
      // e.g. 'contrast(2) brightness(2)' onto 'brightness(1) contrast(1)'
      // because of mismatch of the order.
      MOZ_ASSERT(accumulateResult || prop.mProperty == eCSSProperty_filter,
                 "could not accumulate value");
      accumulateResult =
        StyleAnimationValue::Accumulate(prop.mProperty,
                                        toValue,
                                        lastSegment.mToValue,
                                        computedTiming.mCurrentIteration);
      MOZ_ASSERT(accumulateResult || prop.mProperty == eCSSProperty_filter,
                 "could not accumulate value");
    }

    // Special handling for zero-length segments
    if (segment->mToKey == segment->mFromKey) {
      if (computedTiming.mProgress.Value() < 0) {
        aStyleRule->AddValue(prop.mProperty, Move(fromValue));
      } else {
        aStyleRule->AddValue(prop.mProperty, Move(toValue));
      }
      continue;
    }

    double positionInSegment =
      (computedTiming.mProgress.Value() - segment->mFromKey) /
      (segment->mToKey - segment->mFromKey);
    double valuePosition =
      ComputedTimingFunction::GetPortion(segment->mTimingFunction,
                                         positionInSegment,
                                         computedTiming.mBeforeFlag);

    MOZ_ASSERT(IsFinite(valuePosition), "Position value should be finite");
    StyleAnimationValue val;
    if (StyleAnimationValue::Interpolate(prop.mProperty,
                                         fromValue,
                                         toValue,
                                         valuePosition, val)) {
      aStyleRule->AddValue(prop.mProperty, Move(val));
    } else if (valuePosition < 0.5) {
      aStyleRule->AddValue(prop.mProperty, Move(fromValue));
    } else {
      aStyleRule->AddValue(prop.mProperty, Move(toValue));
    }
  }
}
コード例 #6
0
 RefPtr< PropertyLine<Vector3> > PropertyLineYamlReader::CreateVector3PropertyLineFromYamlNode( YamlNode * parentNode, const String & propertyName, RefPtr< PropertyLine<Vector3> > defaultPropertyLine /*= 0*/ )
 {
     YamlNode * node = parentNode->Get(propertyName);
     if (!node)return defaultPropertyLine;
     
     if (node->GetType() == YamlNode::TYPE_STRING)
     {
         if(propertyName == "emissionAngle") // for old emissionAngle compatibility
         {
             Vector3 res(0, 0, 0);
             float32 angle = DegToRad(node->AsFloat());
             res.x = cosf(angle);
             res.y = sinf(angle);
             return RefPtr< PropertyLine<Vector3> >(new PropertyLineValue<Vector3>(res));
         }
         
         float32 v = node->AsFloat();
         return RefPtr< PropertyLine<Vector3> >(new PropertyLineValue<Vector3>(Vector3(v, v, v)));
     }
     else if (node->GetType() == YamlNode::TYPE_ARRAY)
     {
         if(node->GetCount() == 2) // for 2D forces compatibility
         {
             Vector3 res(node->AsVector2());
             res.z = 0.0f;
             return RefPtr< PropertyLine<Vector3> >(new PropertyLineValue<Vector3>(res));
         }
         if (node->GetCount() == 3 || node->GetCount() == 2) 
         {
             Vector3 res(0.0f, 0.0f, 0.0f);
             res = node->AsVector3();
             return RefPtr< PropertyLine<Vector3> >(new PropertyLineValue<Vector3>(res));
         }
         
         RefPtr< PropertyLineKeyframes<Vector3> > keyframes (new PropertyLineKeyframes<Vector3>());
         
         for (int k = 0; k < node->GetCount() / 2; ++k)
         {
             YamlNode * time = node->Get(k * 2);
             YamlNode * value = node->Get(k * 2 + 1);
             
             if (time && value)
             {
                 if (value->GetType() == YamlNode::TYPE_ARRAY)
                 {
                     keyframes->AddValue(time->AsFloat(), value->AsVector3());
                 }
                 else 
                 {
                     Vector3 v = value->AsVector3();
                     if(propertyName == "emissionAngle") // for old emissionAngle compatibility
                     {
                         float32 angle = DegToRad(value->AsFloat());
                         v.x = cosf(angle);
                         v.y = sinf(angle);
                         v.z = 0.0f;
                     }
                     keyframes->AddValue(time->AsFloat(), v);
                 }
             }
         }
         return keyframes;
     }
     
     return RefPtr< PropertyLine<Vector3> >();
 }