EventHandlerGLib.cpp [plain text]
#include "config.h"
#include "EventHandler.h"
#include "FocusController.h"
#include "Frame.h"
#include "FrameView.h"
#include "KeyboardEvent.h"
#include "MouseEventWithHitTestResults.h"
#include "NotImplemented.h"
#include "Page.h"
#include "PlatformKeyboardEvent.h"
#include "PlatformWheelEvent.h"
#include "RenderWidget.h"
#if ENABLE(DRAG_SUPPORT)
#include "DataTransfer.h"
#endif
#if PLATFORM(GTK)
#include "Scrollbar.h"
#endif
namespace WebCore {
#if ENABLE(DRAG_SUPPORT)
const Seconds EventHandler::TextDragDelay { 0_s };
#endif
bool EventHandler::tabsToAllFormControls(KeyboardEvent*) const
{
return true;
}
void EventHandler::focusDocumentView()
{
if (Page* page = m_frame.page())
page->focusController().setFocusedFrame(&m_frame);
}
bool EventHandler::passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults& event)
{
RenderObject* target = event.targetNode() ? event.targetNode()->renderer() : nullptr;
if (!is<RenderWidget>(target))
return false;
return passMouseDownEventToWidget(downcast<RenderWidget>(*target).widget());
}
bool EventHandler::passWidgetMouseDownEventToWidget(RenderWidget* renderWidget)
{
return passMouseDownEventToWidget(renderWidget->widget());
}
bool EventHandler::passMouseDownEventToWidget(Widget*)
{
notImplemented();
return false;
}
bool EventHandler::eventActivatedView(const PlatformMouseEvent&) const
{
notImplemented();
return false;
}
bool EventHandler::widgetDidHandleWheelEvent(const PlatformWheelEvent& event, Widget& widget)
{
if (!is<FrameView>(widget))
return false;
return downcast<FrameView>(widget).frame().eventHandler().handleWheelEvent(event);
}
bool EventHandler::passMousePressEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
{
subframe->eventHandler().handleMousePressEvent(mev.event());
return true;
}
bool EventHandler::passMouseMoveEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe, HitTestResult* hoveredNode)
{
subframe->eventHandler().handleMouseMoveEvent(mev.event(), hoveredNode);
return true;
}
bool EventHandler::passMouseReleaseEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
{
subframe->eventHandler().handleMouseReleaseEvent(mev.event());
return true;
}
OptionSet<PlatformEvent::Modifier> EventHandler::accessKeyModifiers()
{
return PlatformEvent::Modifier::AltKey;
}
bool EventHandler::shouldSwapScrollDirection(const HitTestResult& result, const PlatformWheelEvent& event) const
{
#if PLATFORM(GTK)
FrameView* view = m_frame.view();
Scrollbar* scrollbar = view ? view->scrollbarAtPoint(event.position()) : nullptr;
if (!scrollbar)
scrollbar = result.scrollbar();
if (!scrollbar)
return false;
return scrollbar->orientation() == HorizontalScrollbar ? !event.shiftKey() : event.shiftKey();
#else
UNUSED_PARAM(result);
UNUSED_PARAM(event);
notImplemented();
return false;
#endif
}
}