author | Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com> |
Fri, 08 May 2009 08:25:06 +0300 | |
changeset 8 | 7c90e6132015 |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (C) 2006, 2007 Apple Inc. All rights reserved. |
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* |
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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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* are met: |
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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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* |
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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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*/ |
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#include "config.h" |
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#include "Clipboard.h" |
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#include "DOMImplementation.h" |
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#include "Frame.h" |
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#include "FrameLoader.h" |
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#include "Image.h" |
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#include "PlugInInfoStore.h" |
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|
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namespace WebCore { |
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|
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Clipboard::Clipboard(ClipboardAccessPolicy policy, bool isForDragging) |
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: m_policy(policy) |
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, m_dragStarted(false) |
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, m_forDragging(isForDragging) |
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, m_dragImage(0) |
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{ |
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} |
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|
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void Clipboard::setAccessPolicy(ClipboardAccessPolicy policy) |
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{ |
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// once you go numb, can never go back |
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ASSERT(m_policy != ClipboardNumb || policy == ClipboardNumb); |
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m_policy = policy; |
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} |
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|
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// These "conversion" methods are called by both WebCore and WebKit, and never make sense to JS, so we don't |
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// worry about security for these. They don't allow access to the pasteboard anyway. |
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|
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static DragOperation dragOpFromIEOp(const String& op) |
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{ |
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// yep, it's really just this fixed set |
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if (op == "none") |
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return DragOperationNone; |
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if (op == "copy") |
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return DragOperationCopy; |
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if (op == "link") |
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return DragOperationLink; |
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if (op == "move") |
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return DragOperationGeneric; |
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if (op == "copyLink") |
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return (DragOperation)(DragOperationCopy | DragOperationLink); |
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if (op == "copyMove") |
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return (DragOperation)(DragOperationCopy | DragOperationGeneric | DragOperationMove); |
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if (op == "linkMove") |
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return (DragOperation)(DragOperationLink | DragOperationGeneric | DragOperationMove); |
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if (op == "all") |
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return DragOperationEvery; |
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return DragOperationPrivate; // really a marker for "no conversion" |
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} |
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|
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static String IEOpFromDragOp(DragOperation op) |
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{ |
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bool moveSet = !!((DragOperationGeneric | DragOperationMove) & op); |
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|
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if ((moveSet && (op & DragOperationCopy) && (op & DragOperationLink)) |
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|| (op == DragOperationEvery)) |
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return "all"; |
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if (moveSet && (op & DragOperationCopy)) |
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return "copyMove"; |
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if (moveSet && (op & DragOperationLink)) |
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return "linkMove"; |
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if ((op & DragOperationCopy) && (op & DragOperationLink)) |
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return "copyLink"; |
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if (moveSet) |
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return "move"; |
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if (op & DragOperationCopy) |
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return "copy"; |
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if (op & DragOperationLink) |
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return "link"; |
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return "none"; |
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} |
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|
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bool Clipboard::sourceOperation(DragOperation& op) const |
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{ |
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if (m_effectAllowed.isNull()) |
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return false; |
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op = dragOpFromIEOp(m_effectAllowed); |
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return true; |
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} |
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|
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bool Clipboard::destinationOperation(DragOperation& op) const |
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{ |
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if (m_dropEffect.isNull()) |
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return false; |
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op = dragOpFromIEOp(m_dropEffect); |
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return true; |
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} |
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|
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void Clipboard::setSourceOperation(DragOperation op) |
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{ |
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m_effectAllowed = IEOpFromDragOp(op); |
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} |
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|
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void Clipboard::setDestinationOperation(DragOperation op) |
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{ |
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m_dropEffect = IEOpFromDragOp(op); |
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} |
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|
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void Clipboard::setDropEffect(const String &effect) |
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{ |
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if (m_policy == ClipboardReadable || m_policy == ClipboardTypesReadable) { |
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m_dropEffect = effect; |
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} |
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} |
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|
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void Clipboard::setEffectAllowed(const String &effect) |
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{ |
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if (m_policy == ClipboardWritable) |
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m_effectAllowed = effect; |
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} |
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|
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} |