EventHandlerChromium.cpp [plain text]
#include "config.h"
#include "EventHandler.h"
#include "ChromiumDataObject.h"
#include "ClipboardChromium.h"
#include "Cursor.h"
#include "FloatPoint.h"
#include "FocusController.h"
#include "Frame.h"
#include "FrameSelection.h"
#include "FrameView.h"
#include "HitTestRequest.h"
#include "HitTestResult.h"
#include "MouseEventWithHitTestResults.h"
#include "NotImplemented.h"
#include "Page.h"
#include "PlatformKeyboardEvent.h"
#include "PlatformWheelEvent.h"
#include "RenderWidget.h"
namespace WebCore {
#if OS(DARWIN)
const double EventHandler::TextDragDelay = 0.15;
#else
const double EventHandler::TextDragDelay = 0.0;
#endif
bool EventHandler::passMousePressEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
{
IntPoint p = m_frame->view()->windowToContents(mev.event().position());
if (m_frame->selection()->contains(p)) {
VisiblePosition visiblePos(
targetNode(mev)->renderer()->positionForPoint(mev.localPoint()));
VisibleSelection newSelection(visiblePos);
if (m_frame->selection()->shouldChangeSelection(newSelection))
m_frame->selection()->setSelection(newSelection);
}
subframe->eventHandler()->handleMousePressEvent(mev.event());
return true;
}
bool EventHandler::passMouseMoveEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe, HitTestResult* hoveredNode)
{
if (m_mouseDownMayStartDrag && !m_mouseDownWasInSubframe)
return false;
subframe->eventHandler()->handleMouseMoveEvent(mev.event(), hoveredNode);
return true;
}
bool EventHandler::passMouseReleaseEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
{
subframe->eventHandler()->handleMouseReleaseEvent(mev.event());
return true;
}
bool EventHandler::passWheelEventToWidget(const PlatformWheelEvent& wheelEvent, Widget* widget)
{
if (!widget)
return false;
if (!widget->isFrameView())
return false;
return static_cast<FrameView*>(widget)->frame()->eventHandler()->handleWheelEvent(wheelEvent);
}
bool EventHandler::passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults& event)
{
if (!targetNode(event) || !targetNode(event)->renderer() || !targetNode(event)->renderer()->isWidget())
return false;
return passMouseDownEventToWidget(toRenderWidget(targetNode(event)->renderer())->widget());
}
bool EventHandler::passMouseDownEventToWidget(Widget* widget)
{
notImplemented();
return false;
}
bool EventHandler::tabsToAllFormControls(KeyboardEvent*) const
{
return true;
}
bool EventHandler::eventActivatedView(const PlatformMouseEvent& event) const
{
return false;
}
PassRefPtr<Clipboard> EventHandler::createDraggingClipboard() const
{
RefPtr<ChromiumDataObject> dataObject = ChromiumDataObject::create();
return ClipboardChromium::create(Clipboard::DragAndDrop, dataObject.get(), ClipboardWritable, m_frame);
}
void EventHandler::focusDocumentView()
{
Page* page = m_frame->page();
if (!page)
return;
page->focusController()->setFocusedFrame(m_frame);
}
bool EventHandler::passWidgetMouseDownEventToWidget(RenderWidget* renderWidget)
{
return passMouseDownEventToWidget(renderWidget->widget());
}
unsigned EventHandler::accessKeyModifiers()
{
#if OS(DARWIN)
return PlatformEvent::CtrlKey | PlatformEvent::AltKey;
#else
return PlatformEvent::AltKey;
#endif
}
#if OS(UNIX) && !OS(DARWIN)
bool EventHandler::shouldTurnVerticalTicksIntoHorizontal(const HitTestResult& result) const
{
return result.scrollbar() && result.scrollbar()->orientation() == HorizontalScrollbar;
}
#endif
}