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* Copyright (C) 2007 Apple Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "DragController.h"
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#include "FrameSelection.h"
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#include <wtf/RefPtr.h>
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const int DragController::LinkDragBorderInset = 2;
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const int DragController::MaxOriginalImageArea = 1500 * 1500;
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const int DragController::DragIconRightInset = 7;
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const int DragController::DragIconBottomInset = 3;
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const float DragController::DragImageAlpha = 0.75f;
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DragOperation DragController::dragOperation(DragData* dragData)
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//FIXME: to match the macos behaviour we should return DragOperationNone
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//if we are a modal window, we are the drag source, or the window is an attached sheet
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//If this can be determined from within WebCore operationForDrag can be pulled into
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return dragData->containsURL(0) && !m_didInitiateDrag ? DragOperationCopy : DragOperationNone;
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bool DragController::isCopyKeyDown(DragData*)
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return ::GetAsyncKeyState(VK_CONTROL);
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const IntSize& DragController::maxDragImageSize()
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static const IntSize maxDragImageSize(200, 200);
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return maxDragImageSize;
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void DragController::cleanupAfterSystemDrag()