diff options
Diffstat (limited to 'Source/WebCore/html/RangeInputType.cpp')
| -rw-r--r-- | Source/WebCore/html/RangeInputType.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/Source/WebCore/html/RangeInputType.cpp b/Source/WebCore/html/RangeInputType.cpp index cbec740..22e7f8e 100644 --- a/Source/WebCore/html/RangeInputType.cpp +++ b/Source/WebCore/html/RangeInputType.cpp @@ -39,6 +39,7 @@ #include "MouseEvent.h" #include "PlatformMouseEvent.h" #include "RenderSlider.h" +#include "ShadowRoot.h" #include "SliderThumbElement.h" #include "StepRange.h" #include <limits> @@ -152,7 +153,7 @@ void RangeInputType::handleMouseDownEvent(MouseEvent* event) if (event->button() != LeftButton || event->target() != element()) return; - if (SliderThumbElement* thumb = toSliderThumbElement(element()->shadowRoot())) + if (SliderThumbElement* thumb = shadowSliderThumb()) thumb->dragFrom(event->absoluteLocation()); } @@ -216,7 +217,8 @@ void RangeInputType::handleTouchStartEvent(TouchEvent* touchEvent) void RangeInputType::createShadowSubtree() { - element()->setShadowRoot(SliderThumbElement::create(element()->document())); + ExceptionCode ec = 0; + element()->ensureShadowRoot()->appendChild(SliderThumbElement::create(element()->document()), ec); } RenderObject* RangeInputType::createRenderer(RenderArena* arena, RenderStyle*) const @@ -261,7 +263,7 @@ void RangeInputType::minOrMaxAttributeChanged() void RangeInputType::valueChanged() { - toSliderThumbElement(element()->shadowRoot())->setPositionFromValue(); + shadowSliderThumb()->setPositionFromValue(); } String RangeInputType::fallbackValue() @@ -285,4 +287,10 @@ bool RangeInputType::shouldRespectListAttribute() return true; } +SliderThumbElement* RangeInputType::shadowSliderThumb() const +{ + Node* shadow = element()->shadowRoot(); + return shadow ? toSliderThumbElement(shadow->firstChild()) : 0; +} + } // namespace WebCore |