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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/editing/EditCommand.h | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/editing/EditCommand.h')
-rw-r--r-- | Source/WebCore/editing/EditCommand.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/Source/WebCore/editing/EditCommand.h b/Source/WebCore/editing/EditCommand.h new file mode 100644 index 0000000..4826ec0 --- /dev/null +++ b/Source/WebCore/editing/EditCommand.h @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2005, 2006, 2008 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. + */ + +#ifndef EditCommand_h +#define EditCommand_h + +#include "EditAction.h" +#include "Element.h" +#include "VisibleSelection.h" + +namespace WebCore { + +class CompositeEditCommand; + +class EditCommand : public RefCounted<EditCommand> { +public: + virtual ~EditCommand(); + + void setParent(CompositeEditCommand*); + + void apply(); + void unapply(); + void reapply(); + + virtual EditAction editingAction() const; + + const VisibleSelection& startingSelection() const { return m_startingSelection; } + const VisibleSelection& endingSelection() const { return m_endingSelection; } + + Element* startingRootEditableElement() const { return m_startingRootEditableElement.get(); } + Element* endingRootEditableElement() const { return m_endingRootEditableElement.get(); } + + virtual bool isInsertTextCommand() const; + virtual bool isTypingCommand() const; + + virtual bool preservesTypingStyle() const; + + bool isTopLevelCommand() const { return !m_parent; } + +protected: + EditCommand(Document*); + + Document* document() const { return m_document.get(); } + + void setStartingSelection(const VisibleSelection&); + void setEndingSelection(const VisibleSelection&); + + void updateLayout() const; + +private: + virtual void doApply() = 0; + virtual void doUnapply() = 0; + virtual void doReapply(); // calls doApply() + + RefPtr<Document> m_document; + VisibleSelection m_startingSelection; + VisibleSelection m_endingSelection; + RefPtr<Element> m_startingRootEditableElement; + RefPtr<Element> m_endingRootEditableElement; + CompositeEditCommand* m_parent; + + friend void applyCommand(PassRefPtr<EditCommand>); +}; + +class SimpleEditCommand : public EditCommand { +protected: + SimpleEditCommand(Document* document) : EditCommand(document) { } +}; + +void applyCommand(PassRefPtr<EditCommand>); + +} // namespace WebCore + +#endif // EditCommand_h |