| /* |
| * 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; |
| } |