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/*
* Copyright (C) 2006 Zack Rusin <zack@kde.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "EventHandler.h"
#include "ClipboardGtk.h"
#include "FloatPoint.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"
#include "Scrollbar.h"
namespace WebCore {
const double EventHandler::TextDragDelay = 0.0;
bool EventHandler::tabsToAllControls(KeyboardEvent* event) const
{
// We always allow tabs to all controls
return true;
}
void EventHandler::focusDocumentView()
{
if (Page* page = m_frame->page())
page->focusController()->setFocusedFrame(m_frame);
}
bool EventHandler::passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults& event)
{
// Figure out which view to send the event to.
RenderObject* target = event.targetNode() ? event.targetNode()->renderer() : 0;
if (!target || !target->isWidget())
return false;
return passMouseDownEventToWidget(toRenderWidget(target)->widget());
}
bool EventHandler::passWidgetMouseDownEventToWidget(RenderWidget* renderWidget)
{
return passMouseDownEventToWidget(renderWidget->widget());
}
bool EventHandler::passMouseDownEventToWidget(Widget* widget)
{
notImplemented();
return false;
}
bool EventHandler::eventActivatedView(const PlatformMouseEvent&) const
{
//GTK+ activation is not necessarily tied to mouse events, so it may
//not make sense to implement this
notImplemented();
return false;
}
bool EventHandler::passWheelEventToWidget(PlatformWheelEvent& event, Widget* widget)
{
ASSERT(widget);
if (!widget->isFrameView())
return false;
return static_cast<FrameView*>(widget)->frame()->eventHandler()->handleWheelEvent(event);
}
PassRefPtr<Clipboard> EventHandler::createDraggingClipboard() const
{
return ClipboardGtk::create(ClipboardWritable, DataObjectGtk::create(), true, m_frame);
}
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;
}
unsigned EventHandler::accessKeyModifiers()
{
return PlatformKeyboardEvent::AltKey;
}
// GTK+ must scroll horizontally if the mouse pointer is on top of the
// horizontal scrollbar while scrolling with the wheel; we need to
// add the deltas and ticks here so that this behavior is consistent
// for styled scrollbars.
bool EventHandler::shouldTurnVerticalTicksIntoHorizontal(const HitTestResult& result) const
{
return result.scrollbar() && result.scrollbar()->orientation() == HorizontalScrollbar;
}
}
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