| /* |
| * Copyright (C) 2009 Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "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 THE COPYRIGHT |
| * OWNER 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 "web/DragClientImpl.h" |
| |
| #include "core/clipboard/DataObject.h" |
| #include "core/clipboard/DataTransfer.h" |
| #include "core/frame/LocalFrame.h" |
| #include "platform/DragImage.h" |
| #include "platform/geometry/IntSize.h" |
| #include "platform/graphics/skia/NativeImageSkia.h" |
| #include "public/platform/WebCommon.h" |
| #include "public/platform/WebDragData.h" |
| #include "public/platform/WebImage.h" |
| #include "public/platform/WebPoint.h" |
| #include "public/web/WebDragOperation.h" |
| #include "public/web/WebViewClient.h" |
| #include "web/WebViewImpl.h" |
| #include "wtf/Assertions.h" |
| #include "wtf/RefPtr.h" |
| |
| namespace blink { |
| |
| DragDestinationAction DragClientImpl::actionMaskForDrag(DragData*) |
| { |
| if (m_webView->client() && m_webView->client()->acceptsLoadDrops()) |
| return DragDestinationActionAny; |
| |
| return static_cast<DragDestinationAction>( |
| DragDestinationActionDHTML | DragDestinationActionEdit); |
| } |
| |
| void DragClientImpl::startDrag(DragImage* dragImage, const IntPoint& dragImageOrigin, const IntPoint& eventPos, DataTransfer* dataTransfer, LocalFrame* frame, bool isLinkDrag) |
| { |
| // Add a ref to the frame just in case a load occurs mid-drag. |
| RefPtr<LocalFrame> frameProtector = frame; |
| |
| WebDragData dragData(dataTransfer->dataObject()); |
| WebDragOperationsMask dragOperationMask = static_cast<WebDragOperationsMask>(dataTransfer->sourceOperation()); |
| WebImage image; |
| IntSize offsetSize(eventPos - dragImageOrigin); |
| WebPoint offsetPoint(offsetSize.width(), offsetSize.height()); |
| |
| if (dragImage) { |
| float resolutionScale = dragImage->resolutionScale(); |
| if (m_webView->deviceScaleFactor() != resolutionScale) { |
| ASSERT(resolutionScale > 0); |
| float scale = m_webView->deviceScaleFactor() / resolutionScale; |
| dragImage->scale(scale, scale); |
| } |
| image = dragImage->bitmap(); |
| } |
| |
| m_webView->startDragging(frame, dragData, dragOperationMask, image, offsetPoint); |
| } |
| |
| } // namespace blink |