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34 #include "SliderThumbElement.h"
38 #include "MouseEvent.h"
39 #include "RenderSlider.h"
43 void SliderThumbElement::defaultEventHandler(Event* event)
45 if (!event->isMouseEvent()) {
46 ShadowBlockElement::defaultEventHandler(event);
50 MouseEvent* mouseEvent = static_cast<MouseEvent*>(event);
51 bool isLeftButton = mouseEvent->button() == LeftButton;
52 const AtomicString& eventType = event->type();
54 if (eventType == eventNames().mousedownEvent && isLeftButton) {
55 if (document()->frame() && renderer()) {
56 RenderSlider* slider = toRenderSlider(renderer()->parent());
58 if (slider->mouseEventIsInThumb(mouseEvent)) {
59 // We selected the thumb, we want the cursor to always stay at
60 // the same position relative to the thumb.
61 m_offsetToThumb = slider->mouseEventOffsetToThumb(mouseEvent);
63 // We are outside the thumb, move the thumb to the point were
64 // we clicked. We'll be exactly at the center of the thumb.
65 m_offsetToThumb.setX(0);
66 m_offsetToThumb.setY(0);
70 document()->frame()->eventHandler()->setCapturingMouseEventsNode(shadowHost());
71 event->setDefaultHandled();
75 } else if (eventType == eventNames().mouseupEvent && isLeftButton) {
77 if (Frame* frame = document()->frame())
78 frame->eventHandler()->setCapturingMouseEventsNode(0);
80 event->setDefaultHandled();
83 } else if (eventType == eventNames().mousemoveEvent) {
84 if (m_inDragMode && renderer() && renderer()->parent()) {
85 RenderSlider* slider = toRenderSlider(renderer()->parent());
87 FloatPoint curPoint = slider->absoluteToLocal(mouseEvent->absoluteLocation(), false, true);
88 IntPoint eventOffset(curPoint.x() + m_offsetToThumb.x(), curPoint.y() + m_offsetToThumb.y());
89 slider->setValueForPosition(slider->positionForOffset(eventOffset));
90 event->setDefaultHandled();
96 ShadowBlockElement::defaultEventHandler(event);
99 void SliderThumbElement::detach()
102 if (Frame* frame = document()->frame())
103 frame->eventHandler()->setCapturingMouseEventsNode(0);
105 ShadowBlockElement::detach();