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120 lines
4.4 KiB
C++
120 lines
4.4 KiB
C++
/*
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* Copyright (C) 2007 Apple Inc. All rights reserved.
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* Copyright (C) 2012 Google 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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*
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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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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY 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 OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DOMSelection_h
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#define DOMSelection_h
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#include "bindings/core/v8/ScriptWrappable.h"
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#include "core/frame/DOMWindowProperty.h"
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#include "platform/heap/Handle.h"
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#include "wtf/Forward.h"
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#include "wtf/PassRefPtr.h"
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#include "wtf/RefCounted.h"
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namespace blink {
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class ExceptionState;
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class LocalFrame;
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class Node;
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class Position;
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class Range;
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class TreeScope;
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class VisibleSelection;
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class DOMSelection FINAL : public RefCountedWillBeGarbageCollectedFinalized<DOMSelection>, public ScriptWrappable, public DOMWindowProperty {
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DEFINE_WRAPPERTYPEINFO();
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public:
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static PassRefPtrWillBeRawPtr<DOMSelection> create(const TreeScope* treeScope)
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{
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return adoptRefWillBeNoop(new DOMSelection(treeScope));
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}
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void clearTreeScope();
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// Safari Selection Object API
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// These methods return the valid equivalents of internal editing positions.
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Node* baseNode() const;
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int baseOffset() const;
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Node* extentNode() const;
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int extentOffset() const;
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String type() const;
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void setBaseAndExtent(Node* baseNode, int baseOffset, Node* extentNode, int extentOffset, ExceptionState&);
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void modify(const String& alter, const String& direction, const String& granularity);
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// Mozilla Selection Object API
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// In Firefox, anchor/focus are the equal to the start/end of the selection,
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// but reflect the direction in which the selection was made by the user. That does
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// not mean that they are base/extent, since the base/extent don't reflect
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// expansion.
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// These methods return the valid equivalents of internal editing positions.
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Node* anchorNode() const;
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int anchorOffset() const;
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Node* focusNode() const;
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int focusOffset() const;
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bool isCollapsed() const;
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int rangeCount() const;
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void collapse(Node*, int offset, ExceptionState&);
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void collapseToEnd(ExceptionState&);
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void collapseToStart(ExceptionState&);
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void extend(Node*, int offset, ExceptionState&);
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PassRefPtrWillBeRawPtr<Range> getRangeAt(int, ExceptionState&);
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void removeAllRanges();
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void addRange(Range*);
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void deleteFromDocument();
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bool containsNode(const Node*, bool partlyContained) const;
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void selectAllChildren(Node*, ExceptionState&);
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String toString();
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// Microsoft Selection Object API
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void empty();
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void trace(Visitor* visitor) { visitor->trace(m_treeScope); }
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private:
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explicit DOMSelection(const TreeScope*);
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// Convenience method for accessors, does not check m_frame present.
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const VisibleSelection& visibleSelection() const;
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Node* shadowAdjustedNode(const Position&) const;
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int shadowAdjustedOffset(const Position&) const;
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bool isValidForPosition(Node*) const;
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void addConsoleError(const String& message);
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RawPtrWillBeMember<const TreeScope> m_treeScope;
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};
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} // namespace blink
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#endif // DOMSelection_h
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