diff options
Diffstat (limited to 'Source/WebCore/page/chromium/EventHandlerChromium.cpp')
-rw-r--r-- | Source/WebCore/page/chromium/EventHandlerChromium.cpp | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/Source/WebCore/page/chromium/EventHandlerChromium.cpp b/Source/WebCore/page/chromium/EventHandlerChromium.cpp new file mode 100644 index 0000000..9b40fb3 --- /dev/null +++ b/Source/WebCore/page/chromium/EventHandlerChromium.cpp @@ -0,0 +1,167 @@ +/* + * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. + * Copyright (C) 2008 Google Inc. + * + * 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 "ChromiumDataObject.h" +#include "ClipboardChromium.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 "NotImplemented.h" +#include "Page.h" +#include "PlatformKeyboardEvent.h" +#include "PlatformWheelEvent.h" +#include "RenderWidget.h" +#include "SelectionController.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) +{ + // 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())); + 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(PlatformWheelEvent& wheelEvent, Widget* widget) +{ + // We can sometimes get a null widget! EventHandlerMac handles a null + // widget by returning false, so we do the same. + if (!widget) + return false; + + // If not a FrameView, then probably a plugin widget. Those will receive + // the event via an EventTargetNode dispatch when this returns false. + if (!widget->isFrameView()) + return false; + + return static_cast<FrameView*>(widget)->frame()->eventHandler()->handleWheelEvent(wheelEvent); +} + +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(toRenderWidget(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 +{ + // FIXME: EventHandlerWin.cpp does the following: + // return event.activatedWebView(); + return false; +} + +PassRefPtr<Clipboard> EventHandler::createDraggingClipboard() const +{ + RefPtr<ChromiumDataObjectLegacy> dataObject = ChromiumDataObjectLegacy::create(Clipboard::DragAndDrop); + return ClipboardChromium::create(Clipboard::DragAndDrop, ChromiumDataObject::create(dataObject), 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 PlatformKeyboardEvent::CtrlKey | PlatformKeyboardEvent::AltKey; +#else + return PlatformKeyboardEvent::AltKey; +#endif +} + +#if OS(LINUX) || OS(FREEBSD) +// GTK+ must scroll horizontally if the mouse pointer is on top of the +// horizontal scrollbar while scrolling with the wheel. +// This code comes from gtk/EventHandlerGtk.cpp. +bool EventHandler::shouldTurnVerticalTicksIntoHorizontal(const HitTestResult& result) const +{ + return result.scrollbar() && result.scrollbar()->orientation() == HorizontalScrollbar; +} +#endif + +} // namespace WebCore |