diff options
Diffstat (limited to 'webkit/port/page/chromium/EventHandlerChromium.cpp')
-rw-r--r-- | webkit/port/page/chromium/EventHandlerChromium.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/webkit/port/page/chromium/EventHandlerChromium.cpp b/webkit/port/page/chromium/EventHandlerChromium.cpp new file mode 100644 index 0000000..fe95bad --- /dev/null +++ b/webkit/port/page/chromium/EventHandlerChromium.cpp @@ -0,0 +1,164 @@ +/* + * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. + * + * 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 "Cursor.h" +#include "FloatPoint.h" +#include "FocusController.h" +#include "FrameView.h" +#include "Frame.h" +#include "HitTestRequest.h" +#include "HitTestResult.h" +#include "MouseEventWithHitTestResults.h" +#include "Page.h" +#include "PlatformKeyboardEvent.h" +#include "PlatformScrollBar.h" +#include "PlatformWheelEvent.h" +#include "RenderWidget.h" +#include "SelectionController.h" +#include "NotImplemented.h" + +#if PLATFORM(WIN) +#include "ClipboardWin.h" +#include "WCDataObject.h" +#endif + +namespace WebCore { + +unsigned EventHandler::s_accessKeyModifiers = PlatformKeyboardEvent::AltKey; + +const double EventHandler::TextDragDelay = 0.0; + +bool EventHandler::passMousePressEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe) +{ + // If we're clicking into a frame that is selected, the frame will appear + // greyed out even though we're clicking on the selection. This looks + // really strange (having the whole frame be greyed out), so we deselect the + // selection. + IntPoint p = m_frame->view()->windowToContents(mev.event().pos()); + if (m_frame->selection()->contains(p)) { + VisiblePosition visiblePos( + mev.targetNode()->renderer()->positionForPoint(mev.localPoint())); + Selection newSelection(visiblePos); + if (m_frame->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(PlatformWheelEvent& wheelEvent, Widget* widget) +{ + if (!widget) { + // We can sometimes get a null widget! EventHandlerMac handles a null + // widget by returning false, so we do the same. + return false; + } + + if (!widget->isFrameView()) { + // Probably a plugin widget. They will receive the event via an + // EventTargetNode dispatch when this returns false. + return false; + } + + return static_cast<FrameView*>(widget)->frame()->eventHandler()->handleWheelEvent(wheelEvent); +} + +bool EventHandler::passMousePressEventToScrollbar(MouseEventWithHitTestResults& mev, PlatformScrollbar* scrollbar) +{ + if (!scrollbar || !scrollbar->isEnabled()) + return false; + return scrollbar->handleMousePressEvent(mev.event()); +} + +bool EventHandler::passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults& event) +{ + // Figure out which view to send the event to. + if (!event.targetNode() || !event.targetNode()->renderer() || !event.targetNode()->renderer()->isWidget()) + return false; + + return passMouseDownEventToWidget(static_cast<RenderWidget*>(event.targetNode()->renderer())->widget()); +} + +bool EventHandler::passMouseDownEventToWidget(Widget* widget) +{ + notImplemented(); + return false; +} + +bool EventHandler::tabsToAllControls(KeyboardEvent*) const +{ + return true; +} + +bool EventHandler::eventActivatedView(const PlatformMouseEvent& event) const +{ + // TODO(darin): Apple's EventHandlerWin.cpp does the following: + // return event.activatedWebView(); + return false; +} + +PassRefPtr<Clipboard> EventHandler::createDraggingClipboard() const +{ +#if PLATFORM(WIN) + COMPtr<WCDataObject> dataObject; + WCDataObject::createInstance(&dataObject); + return ClipboardWin::create(true, dataObject.get(), ClipboardWritable); +#else + return PassRefPtr<Clipboard>(0); +#endif +} + +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()); +} + +} |