[core, ios, android, qt] Observe style layer mutations rather than requiring SDKs to use Map::update

This paves the way for updates to filter and layout properties to trigger a source reload, without each SDK having to participate in the implementation.

1 files changed, 145 insertions, 0 deletions

diff --git a/src/mbgl/style/layers/symbol_layer.cpp b/src/mbgl/style/layers/symbol_layer.cpp
index 78fbfda6dd..c9fd2c0988 100644
--- a/src/mbgl/style/layers/symbol_layer.cpp
+++ b/src/mbgl/style/layers/symbol_layer.cpp
@@ -50,6 +50,7 @@ const std::string& SymbolLayer::getSourceLayer() const {
 
 void SymbolLayer::setFilter(const Filter& filter) {
     impl->filter = filter;
+    impl->observer->onLayerFilterChanged(*this);
 }
 
 const Filter& SymbolLayer::getFilter() const {
@@ -67,7 +68,10 @@ PropertyValue<SymbolPlacementType> SymbolLayer::getSymbolPlacement() const {
 }
 
 void SymbolLayer::setSymbolPlacement(PropertyValue<SymbolPlacementType> value) {
+    if (value == getSymbolPlacement())
+        return;
     impl->layout.symbolPlacement.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<float> SymbolLayer::getDefaultSymbolSpacing() {
     return { 250 };
@@ -78,7 +82,10 @@ PropertyValue<float> SymbolLayer::getSymbolSpacing() const {
 }
 
 void SymbolLayer::setSymbolSpacing(PropertyValue<float> value) {
+    if (value == getSymbolSpacing())
+        return;
     impl->layout.symbolSpacing.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<bool> SymbolLayer::getDefaultSymbolAvoidEdges() {
     return { false };
@@ -89,7 +96,10 @@ PropertyValue<bool> SymbolLayer::getSymbolAvoidEdges() const {
 }
 
 void SymbolLayer::setSymbolAvoidEdges(PropertyValue<bool> value) {
+    if (value == getSymbolAvoidEdges())
+        return;
     impl->layout.symbolAvoidEdges.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<bool> SymbolLayer::getDefaultIconAllowOverlap() {
     return { false };
@@ -100,7 +110,10 @@ PropertyValue<bool> SymbolLayer::getIconAllowOverlap() const {
 }
 
 void SymbolLayer::setIconAllowOverlap(PropertyValue<bool> value) {
+    if (value == getIconAllowOverlap())
+        return;
     impl->layout.iconAllowOverlap.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<bool> SymbolLayer::getDefaultIconIgnorePlacement() {
     return { false };
@@ -111,7 +124,10 @@ PropertyValue<bool> SymbolLayer::getIconIgnorePlacement() const {
 }
 
 void SymbolLayer::setIconIgnorePlacement(PropertyValue<bool> value) {
+    if (value == getIconIgnorePlacement())
+        return;
     impl->layout.iconIgnorePlacement.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<bool> SymbolLayer::getDefaultIconOptional() {
     return { false };
@@ -122,7 +138,10 @@ PropertyValue<bool> SymbolLayer::getIconOptional() const {
 }
 
 void SymbolLayer::setIconOptional(PropertyValue<bool> value) {
+    if (value == getIconOptional())
+        return;
     impl->layout.iconOptional.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<AlignmentType> SymbolLayer::getDefaultIconRotationAlignment() {
     return { AlignmentType::Viewport };
@@ -133,7 +152,10 @@ PropertyValue<AlignmentType> SymbolLayer::getIconRotationAlignment() const {
 }
 
 void SymbolLayer::setIconRotationAlignment(PropertyValue<AlignmentType> value) {
+    if (value == getIconRotationAlignment())
+        return;
     impl->layout.iconRotationAlignment.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<float> SymbolLayer::getDefaultIconSize() {
     return { 1 };
@@ -144,7 +166,10 @@ PropertyValue<float> SymbolLayer::getIconSize() const {
 }
 
 void SymbolLayer::setIconSize(PropertyValue<float> value) {
+    if (value == getIconSize())
+        return;
     impl->layout.iconSize.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<IconTextFitType> SymbolLayer::getDefaultIconTextFit() {
     return { IconTextFitType::None };
@@ -155,7 +180,10 @@ PropertyValue<IconTextFitType> SymbolLayer::getIconTextFit() const {
 }
 
 void SymbolLayer::setIconTextFit(PropertyValue<IconTextFitType> value) {
+    if (value == getIconTextFit())
+        return;
     impl->layout.iconTextFit.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<std::array<float, 4>> SymbolLayer::getDefaultIconTextFitPadding() {
     return { {{ 0, 0, 0, 0 }} };
@@ -166,7 +194,10 @@ PropertyValue<std::array<float, 4>> SymbolLayer::getIconTextFitPadding() const {
 }
 
 void SymbolLayer::setIconTextFitPadding(PropertyValue<std::array<float, 4>> value) {
+    if (value == getIconTextFitPadding())
+        return;
     impl->layout.iconTextFitPadding.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<std::string> SymbolLayer::getDefaultIconImage() {
     return { "" };
@@ -177,7 +208,10 @@ PropertyValue<std::string> SymbolLayer::getIconImage() const {
 }
 
 void SymbolLayer::setIconImage(PropertyValue<std::string> value) {
+    if (value == getIconImage())
+        return;
     impl->layout.iconImage.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<float> SymbolLayer::getDefaultIconRotate() {
     return { 0 };
@@ -188,7 +222,10 @@ PropertyValue<float> SymbolLayer::getIconRotate() const {
 }
 
 void SymbolLayer::setIconRotate(PropertyValue<float> value) {
+    if (value == getIconRotate())
+        return;
     impl->layout.iconRotate.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<float> SymbolLayer::getDefaultIconPadding() {
     return { 2 };
@@ -199,7 +236,10 @@ PropertyValue<float> SymbolLayer::getIconPadding() const {
 }
 
 void SymbolLayer::setIconPadding(PropertyValue<float> value) {
+    if (value == getIconPadding())
+        return;
     impl->layout.iconPadding.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<bool> SymbolLayer::getDefaultIconKeepUpright() {
     return { false };
@@ -210,7 +250,10 @@ PropertyValue<bool> SymbolLayer::getIconKeepUpright() const {
 }
 
 void SymbolLayer::setIconKeepUpright(PropertyValue<bool> value) {
+    if (value == getIconKeepUpright())
+        return;
     impl->layout.iconKeepUpright.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<std::array<float, 2>> SymbolLayer::getDefaultIconOffset() {
     return { {{ 0, 0 }} };
@@ -221,7 +264,10 @@ PropertyValue<std::array<float, 2>> SymbolLayer::getIconOffset() const {
 }
 
 void SymbolLayer::setIconOffset(PropertyValue<std::array<float, 2>> value) {
+    if (value == getIconOffset())
+        return;
     impl->layout.iconOffset.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<AlignmentType> SymbolLayer::getDefaultTextPitchAlignment() {
     return { AlignmentType::Undefined };
@@ -232,7 +278,10 @@ PropertyValue<AlignmentType> SymbolLayer::getTextPitchAlignment() const {
 }
 
 void SymbolLayer::setTextPitchAlignment(PropertyValue<AlignmentType> value) {
+    if (value == getTextPitchAlignment())
+        return;
     impl->layout.textPitchAlignment.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<AlignmentType> SymbolLayer::getDefaultTextRotationAlignment() {
     return { AlignmentType::Viewport };
@@ -243,7 +292,10 @@ PropertyValue<AlignmentType> SymbolLayer::getTextRotationAlignment() const {
 }
 
 void SymbolLayer::setTextRotationAlignment(PropertyValue<AlignmentType> value) {
+    if (value == getTextRotationAlignment())
+        return;
     impl->layout.textRotationAlignment.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<std::string> SymbolLayer::getDefaultTextField() {
     return { "" };
@@ -254,7 +306,10 @@ PropertyValue<std::string> SymbolLayer::getTextField() const {
 }
 
 void SymbolLayer::setTextField(PropertyValue<std::string> value) {
+    if (value == getTextField())
+        return;
     impl->layout.textField.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<std::vector<std::string>> SymbolLayer::getDefaultTextFont() {
     return { { "Open Sans Regular", "Arial Unicode MS Regular" } };
@@ -265,7 +320,10 @@ PropertyValue<std::vector<std::string>> SymbolLayer::getTextFont() const {
 }
 
 void SymbolLayer::setTextFont(PropertyValue<std::vector<std::string>> value) {
+    if (value == getTextFont())
+        return;
     impl->layout.textFont.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<float> SymbolLayer::getDefaultTextSize() {
     return { 16 };
@@ -276,7 +334,10 @@ PropertyValue<float> SymbolLayer::getTextSize() const {
 }
 
 void SymbolLayer::setTextSize(PropertyValue<float> value) {
+    if (value == getTextSize())
+        return;
     impl->layout.textSize.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<float> SymbolLayer::getDefaultTextMaxWidth() {
     return { 10 };
@@ -287,7 +348,10 @@ PropertyValue<float> SymbolLayer::getTextMaxWidth() const {
 }
 
 void SymbolLayer::setTextMaxWidth(PropertyValue<float> value) {
+    if (value == getTextMaxWidth())
+        return;
     impl->layout.textMaxWidth.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<float> SymbolLayer::getDefaultTextLineHeight() {
     return { 1.2 };
@@ -298,7 +362,10 @@ PropertyValue<float> SymbolLayer::getTextLineHeight() const {
 }
 
 void SymbolLayer::setTextLineHeight(PropertyValue<float> value) {
+    if (value == getTextLineHeight())
+        return;
     impl->layout.textLineHeight.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<float> SymbolLayer::getDefaultTextLetterSpacing() {
     return { 0 };
@@ -309,7 +376,10 @@ PropertyValue<float> SymbolLayer::getTextLetterSpacing() const {
 }
 
 void SymbolLayer::setTextLetterSpacing(PropertyValue<float> value) {
+    if (value == getTextLetterSpacing())
+        return;
     impl->layout.textLetterSpacing.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<TextJustifyType> SymbolLayer::getDefaultTextJustify() {
     return { TextJustifyType::Center };
@@ -320,7 +390,10 @@ PropertyValue<TextJustifyType> SymbolLayer::getTextJustify() const {
 }
 
 void SymbolLayer::setTextJustify(PropertyValue<TextJustifyType> value) {
+    if (value == getTextJustify())
+        return;
     impl->layout.textJustify.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<TextAnchorType> SymbolLayer::getDefaultTextAnchor() {
     return { TextAnchorType::Center };
@@ -331,7 +404,10 @@ PropertyValue<TextAnchorType> SymbolLayer::getTextAnchor() const {
 }
 
 void SymbolLayer::setTextAnchor(PropertyValue<TextAnchorType> value) {
+    if (value == getTextAnchor())
+        return;
     impl->layout.textAnchor.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<float> SymbolLayer::getDefaultTextMaxAngle() {
     return { 45 };
@@ -342,7 +418,10 @@ PropertyValue<float> SymbolLayer::getTextMaxAngle() const {
 }
 
 void SymbolLayer::setTextMaxAngle(PropertyValue<float> value) {
+    if (value == getTextMaxAngle())
+        return;
     impl->layout.textMaxAngle.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<float> SymbolLayer::getDefaultTextRotate() {
     return { 0 };
@@ -353,7 +432,10 @@ PropertyValue<float> SymbolLayer::getTextRotate() const {
 }
 
 void SymbolLayer::setTextRotate(PropertyValue<float> value) {
+    if (value == getTextRotate())
+        return;
     impl->layout.textRotate.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<float> SymbolLayer::getDefaultTextPadding() {
     return { 2 };
@@ -364,7 +446,10 @@ PropertyValue<float> SymbolLayer::getTextPadding() const {
 }
 
 void SymbolLayer::setTextPadding(PropertyValue<float> value) {
+    if (value == getTextPadding())
+        return;
     impl->layout.textPadding.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<bool> SymbolLayer::getDefaultTextKeepUpright() {
     return { true };
@@ -375,7 +460,10 @@ PropertyValue<bool> SymbolLayer::getTextKeepUpright() const {
 }
 
 void SymbolLayer::setTextKeepUpright(PropertyValue<bool> value) {
+    if (value == getTextKeepUpright())
+        return;
     impl->layout.textKeepUpright.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<TextTransformType> SymbolLayer::getDefaultTextTransform() {
     return { TextTransformType::None };
@@ -386,7 +474,10 @@ PropertyValue<TextTransformType> SymbolLayer::getTextTransform() const {
 }
 
 void SymbolLayer::setTextTransform(PropertyValue<TextTransformType> value) {
+    if (value == getTextTransform())
+        return;
     impl->layout.textTransform.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<std::array<float, 2>> SymbolLayer::getDefaultTextOffset() {
     return { {{ 0, 0 }} };
@@ -397,7 +488,10 @@ PropertyValue<std::array<float, 2>> SymbolLayer::getTextOffset() const {
 }
 
 void SymbolLayer::setTextOffset(PropertyValue<std::array<float, 2>> value) {
+    if (value == getTextOffset())
+        return;
     impl->layout.textOffset.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<bool> SymbolLayer::getDefaultTextAllowOverlap() {
     return { false };
@@ -408,7 +502,10 @@ PropertyValue<bool> SymbolLayer::getTextAllowOverlap() const {
 }
 
 void SymbolLayer::setTextAllowOverlap(PropertyValue<bool> value) {
+    if (value == getTextAllowOverlap())
+        return;
     impl->layout.textAllowOverlap.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<bool> SymbolLayer::getDefaultTextIgnorePlacement() {
     return { false };
@@ -419,7 +516,10 @@ PropertyValue<bool> SymbolLayer::getTextIgnorePlacement() const {
 }
 
 void SymbolLayer::setTextIgnorePlacement(PropertyValue<bool> value) {
+    if (value == getTextIgnorePlacement())
+        return;
     impl->layout.textIgnorePlacement.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 PropertyValue<bool> SymbolLayer::getDefaultTextOptional() {
     return { false };
@@ -430,7 +530,10 @@ PropertyValue<bool> SymbolLayer::getTextOptional() const {
 }
 
 void SymbolLayer::setTextOptional(PropertyValue<bool> value) {
+    if (value == getTextOptional())
+        return;
     impl->layout.textOptional.set(value);
+    impl->observer->onLayerLayoutPropertyChanged(*this);
 }
 
 // Paint properties
@@ -444,7 +547,10 @@ PropertyValue<float> SymbolLayer::getIconOpacity(const optional<std::string>& kl
 }
 
 void SymbolLayer::setIconOpacity(PropertyValue<float> value, const optional<std::string>& klass) {
+    if (value == getIconOpacity(klass))
+        return;
     impl->paint.iconOpacity.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 PropertyValue<Color> SymbolLayer::getDefaultIconColor() {
@@ -456,7 +562,10 @@ PropertyValue<Color> SymbolLayer::getIconColor(const optional<std::string>& klas
 }
 
 void SymbolLayer::setIconColor(PropertyValue<Color> value, const optional<std::string>& klass) {
+    if (value == getIconColor(klass))
+        return;
     impl->paint.iconColor.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 PropertyValue<Color> SymbolLayer::getDefaultIconHaloColor() {
@@ -468,7 +577,10 @@ PropertyValue<Color> SymbolLayer::getIconHaloColor(const optional<std::string>&
 }
 
 void SymbolLayer::setIconHaloColor(PropertyValue<Color> value, const optional<std::string>& klass) {
+    if (value == getIconHaloColor(klass))
+        return;
     impl->paint.iconHaloColor.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 PropertyValue<float> SymbolLayer::getDefaultIconHaloWidth() {
@@ -480,7 +592,10 @@ PropertyValue<float> SymbolLayer::getIconHaloWidth(const optional<std::string>&
 }
 
 void SymbolLayer::setIconHaloWidth(PropertyValue<float> value, const optional<std::string>& klass) {
+    if (value == getIconHaloWidth(klass))
+        return;
     impl->paint.iconHaloWidth.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 PropertyValue<float> SymbolLayer::getDefaultIconHaloBlur() {
@@ -492,7 +607,10 @@ PropertyValue<float> SymbolLayer::getIconHaloBlur(const optional<std::string>& k
 }
 
 void SymbolLayer::setIconHaloBlur(PropertyValue<float> value, const optional<std::string>& klass) {
+    if (value == getIconHaloBlur(klass))
+        return;
     impl->paint.iconHaloBlur.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 PropertyValue<std::array<float, 2>> SymbolLayer::getDefaultIconTranslate() {
@@ -504,7 +622,10 @@ PropertyValue<std::array<float, 2>> SymbolLayer::getIconTranslate(const optional
 }
 
 void SymbolLayer::setIconTranslate(PropertyValue<std::array<float, 2>> value, const optional<std::string>& klass) {
+    if (value == getIconTranslate(klass))
+        return;
     impl->paint.iconTranslate.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 PropertyValue<TranslateAnchorType> SymbolLayer::getDefaultIconTranslateAnchor() {
@@ -516,7 +637,10 @@ PropertyValue<TranslateAnchorType> SymbolLayer::getIconTranslateAnchor(const opt
 }
 
 void SymbolLayer::setIconTranslateAnchor(PropertyValue<TranslateAnchorType> value, const optional<std::string>& klass) {
+    if (value == getIconTranslateAnchor(klass))
+        return;
     impl->paint.iconTranslateAnchor.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 PropertyValue<float> SymbolLayer::getDefaultTextOpacity() {
@@ -528,7 +652,10 @@ PropertyValue<float> SymbolLayer::getTextOpacity(const optional<std::string>& kl
 }
 
 void SymbolLayer::setTextOpacity(PropertyValue<float> value, const optional<std::string>& klass) {
+    if (value == getTextOpacity(klass))
+        return;
     impl->paint.textOpacity.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 PropertyValue<Color> SymbolLayer::getDefaultTextColor() {
@@ -540,7 +667,10 @@ PropertyValue<Color> SymbolLayer::getTextColor(const optional<std::string>& klas
 }
 
 void SymbolLayer::setTextColor(PropertyValue<Color> value, const optional<std::string>& klass) {
+    if (value == getTextColor(klass))
+        return;
     impl->paint.textColor.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 PropertyValue<Color> SymbolLayer::getDefaultTextHaloColor() {
@@ -552,7 +682,10 @@ PropertyValue<Color> SymbolLayer::getTextHaloColor(const optional<std::string>&
 }
 
 void SymbolLayer::setTextHaloColor(PropertyValue<Color> value, const optional<std::string>& klass) {
+    if (value == getTextHaloColor(klass))
+        return;
     impl->paint.textHaloColor.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 PropertyValue<float> SymbolLayer::getDefaultTextHaloWidth() {
@@ -564,7 +697,10 @@ PropertyValue<float> SymbolLayer::getTextHaloWidth(const optional<std::string>&
 }
 
 void SymbolLayer::setTextHaloWidth(PropertyValue<float> value, const optional<std::string>& klass) {
+    if (value == getTextHaloWidth(klass))
+        return;
     impl->paint.textHaloWidth.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 PropertyValue<float> SymbolLayer::getDefaultTextHaloBlur() {
@@ -576,7 +712,10 @@ PropertyValue<float> SymbolLayer::getTextHaloBlur(const optional<std::string>& k
 }
 
 void SymbolLayer::setTextHaloBlur(PropertyValue<float> value, const optional<std::string>& klass) {
+    if (value == getTextHaloBlur(klass))
+        return;
     impl->paint.textHaloBlur.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 PropertyValue<std::array<float, 2>> SymbolLayer::getDefaultTextTranslate() {
@@ -588,7 +727,10 @@ PropertyValue<std::array<float, 2>> SymbolLayer::getTextTranslate(const optional
 }
 
 void SymbolLayer::setTextTranslate(PropertyValue<std::array<float, 2>> value, const optional<std::string>& klass) {
+    if (value == getTextTranslate(klass))
+        return;
     impl->paint.textTranslate.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 PropertyValue<TranslateAnchorType> SymbolLayer::getDefaultTextTranslateAnchor() {
@@ -600,7 +742,10 @@ PropertyValue<TranslateAnchorType> SymbolLayer::getTextTranslateAnchor(const opt
 }
 
 void SymbolLayer::setTextTranslateAnchor(PropertyValue<TranslateAnchorType> value, const optional<std::string>& klass) {
+    if (value == getTextTranslateAnchor(klass))
+        return;
     impl->paint.textTranslateAnchor.set(value, klass);
+    impl->observer->onLayerPaintPropertyChanged(*this);
 }
 
 } // namespace style