119 lines
4.0 KiB
C++
119 lines
4.0 KiB
C++
/*
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* Copyright (C) 2005, 2006, 2008 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 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 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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#pragma once
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#include "AXTextStateChangeIntent.h"
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#include "EditAction.h"
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#include "VisibleSelection.h"
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#include <wtf/WeakPtr.h>
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#ifndef NDEBUG
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#include <wtf/HashSet.h>
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#endif
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namespace WebCore {
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class CompositeEditCommand;
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class Document;
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class Element;
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String inputTypeNameForEditingAction(EditAction);
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class EditCommand : public RefCounted<EditCommand> {
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public:
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virtual ~EditCommand();
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void setParent(CompositeEditCommand*);
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virtual EditAction editingAction() const;
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const VisibleSelection& startingSelection() const { return m_startingSelection; }
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const VisibleSelection& endingSelection() const { return m_endingSelection; }
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virtual bool isInsertTextCommand() const { return false; }
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virtual bool isSimpleEditCommand() const { return false; }
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virtual bool isCompositeEditCommand() const { return false; }
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bool isTopLevelCommand() const { return !m_parent; }
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virtual void doApply() = 0;
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protected:
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explicit EditCommand(Document&, EditAction = EditAction::Unspecified);
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EditCommand(Document&, const VisibleSelection&, const VisibleSelection&);
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const Document& document() const { return m_document; }
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Document& document() { return m_document; }
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CompositeEditCommand* parent() const { return m_parent.get(); }
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void setStartingSelection(const VisibleSelection&);
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WEBCORE_EXPORT void setEndingSelection(const VisibleSelection&);
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bool isEditingTextAreaOrTextInput() const;
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void postTextStateChangeNotification(AXTextEditType, const String&);
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void postTextStateChangeNotification(AXTextEditType, const String&, const VisiblePosition&);
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private:
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Ref<Document> m_document;
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VisibleSelection m_startingSelection;
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VisibleSelection m_endingSelection;
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WeakPtr<CompositeEditCommand> m_parent;
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EditAction m_editingAction { EditAction::Unspecified };
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};
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enum ShouldAssumeContentIsAlwaysEditable {
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AssumeContentIsAlwaysEditable,
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DoNotAssumeContentIsAlwaysEditable,
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};
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class SimpleEditCommand : public EditCommand {
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public:
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virtual void doUnapply() = 0;
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virtual void doReapply(); // calls doApply()
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#ifndef NDEBUG
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virtual void getNodesInCommand(HashSet<Ref<Node>>&) = 0;
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#endif
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protected:
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explicit SimpleEditCommand(Document&, EditAction = EditAction::Unspecified);
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#ifndef NDEBUG
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void addNodeAndDescendants(Node*, HashSet<Ref<Node>>&);
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#endif
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private:
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bool isSimpleEditCommand() const override { return true; }
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};
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inline SimpleEditCommand* toSimpleEditCommand(EditCommand* command)
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{
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ASSERT(command);
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ASSERT_WITH_SECURITY_IMPLICATION(command->isSimpleEditCommand());
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return static_cast<SimpleEditCommand*>(command);
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}
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} // namespace WebCore
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