1 /* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * Copyright (C) 2008 Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include "config.h" 28 #include "DragController.h" 29 30 #include "DragData.h" 31 #include "SelectionController.h" 32 #include <wtf/RefPtr.h> 33 34 #if OS(WINDOWS) 35 #include <windows.h> 36 #endif 37 38 namespace WebCore { 39 40 const int DragController::LinkDragBorderInset = 2; 41 const int DragController::MaxOriginalImageArea = 1500 * 1500; 42 const int DragController::DragIconRightInset = 7; 43 const int DragController::DragIconBottomInset = 3; 44 45 const float DragController::DragImageAlpha = 0.75f; 46 47 DragOperation DragController::dragOperation(DragData* dragData) 48 { 49 // FIXME: To match the MacOS behaviour we should return DragOperationNone 50 // if we are a modal window, we are the drag source, or the window is an 51 // attached sheet If this can be determined from within WebCore 52 // operationForDrag can be pulled into WebCore itself 53 ASSERT(dragData); 54 return dragData->containsURL() && !m_didInitiateDrag ? DragOperationCopy : DragOperationNone; 55 } 56 57 bool DragController::isCopyKeyDown() 58 { 59 // FIXME: This should not be OS specific. Delegate to the embedder instead. 60 #if OS(WINDOWS) 61 return ::GetAsyncKeyState(VK_CONTROL); 62 #else 63 return false; 64 #endif 65 } 66 67 const IntSize& DragController::maxDragImageSize() 68 { 69 static const IntSize maxDragImageSize(200, 200); 70 return maxDragImageSize; 71 } 72 73 void DragController::cleanupAfterSystemDrag() 74 { 75 } 76 77 } // namespace WebCore 78