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/*
* Copyright (C) 2007 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.
*/
#import "config.h"
#import "DragController.h"
#if ENABLE(DRAG_SUPPORT)
#import "DragData.h"
#import "Frame.h"
#import "FrameView.h"
#import "Page.h"
namespace WebCore {
const int DragController::LinkDragBorderInset = -2;
const int DragController::MaxOriginalImageArea = 1500 * 1500;
const int DragController::DragIconRightInset = 7;
const int DragController::DragIconBottomInset = 3;
const float DragController::DragImageAlpha = 0.75f;
bool DragController::isCopyKeyDown(DragData* dragData)
{
return dragData->flags() & DragApplicationIsCopyKeyDown;
}
DragOperation DragController::dragOperation(DragData* dragData)
{
ASSERT(dragData);
if ((dragData->flags() & DragApplicationIsModal) || !dragData->containsURL(m_page->mainFrame()))
return DragOperationNone;
if (!m_documentUnderMouse || (!(dragData->flags() & (DragApplicationHasAttachedSheet | DragApplicationIsSource))))
return DragOperationCopy;
return DragOperationNone;
}
const IntSize& DragController::maxDragImageSize()
{
static const IntSize maxDragImageSize(400, 400);
return maxDragImageSize;
}
void DragController::cleanupAfterSystemDrag()
{
// Drag has ended, dragEnded *should* have been called, however it is possible
// for the UIDelegate to take over the drag, and fail to send the appropriate
// drag termination event. As dragEnded just resets drag variables, we just
// call it anyway to be on the safe side.
// We don't want to do this for WebKit2, since the client call to start the drag
// is asynchronous.
if (m_page->mainFrame()->view()->platformWidget())
dragEnded();
}
} // namespace WebCore
#endif // ENABLE(DRAG_SUPPORT)
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