/* * Copyright (C) 2011 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 "WebDragSource.h" #include <WebCore/Cursor.h> #include <WebCore/DragActions.h> #include <WebCore/EventHandler.h> #include <WebCore/Frame.h> #include <WebCore/Page.h> #include <WebCore/PlatformMouseEvent.h> #include <wtf/CurrentTime.h> using namespace WebCore; PassRefPtr<WebDragSource> WebDragSource::createInstance() { return adoptRef(new WebDragSource); } WebDragSource::WebDragSource() { } HRESULT WebDragSource::QueryInterface(REFIID riid, void** ppvObject) { *ppvObject = 0; if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IDropSource)) { *ppvObject = this; AddRef(); return S_OK; } return E_NOINTERFACE; } ULONG WebDragSource::AddRef(void) { ref(); return refCount(); } ULONG WebDragSource::Release(void) { deref(); return refCount(); } HRESULT WebDragSource::QueryContinueDrag(BOOL fEscapePressed, DWORD grfState) { if (fEscapePressed) return DRAGDROP_S_CANCEL; if (grfState & (MK_LBUTTON | MK_RBUTTON)) return S_OK; return DRAGDROP_S_DROP; } HRESULT WebDragSource::GiveFeedback(DWORD dwEffect) { return DRAGDROP_S_USEDEFAULTCURSORS; }