mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
/*
|
|
* Copyright (C) 2005, 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.
|
|
*/
|
|
|
|
#include "sky/engine/core/editing/DeleteFromTextNodeCommand.h"
|
|
|
|
#include "sky/engine/bindings/exception_state.h"
|
|
#include "sky/engine/bindings/exception_state_placeholder.h"
|
|
#include "sky/engine/core/dom/Text.h"
|
|
|
|
namespace blink {
|
|
|
|
DeleteFromTextNodeCommand::DeleteFromTextNodeCommand(PassRefPtr<Text> node, unsigned offset, unsigned count)
|
|
: SimpleEditCommand(node->document())
|
|
, m_node(node)
|
|
, m_offset(offset)
|
|
, m_count(count)
|
|
{
|
|
ASSERT(m_node);
|
|
ASSERT(m_offset <= m_node->length());
|
|
ASSERT(m_offset + m_count <= m_node->length());
|
|
}
|
|
|
|
void DeleteFromTextNodeCommand::doApply()
|
|
{
|
|
ASSERT(m_node);
|
|
|
|
if (!m_node->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable))
|
|
return;
|
|
|
|
TrackExceptionState exceptionState;
|
|
m_text = m_node->substringData(m_offset, m_count, exceptionState);
|
|
if (exceptionState.had_exception())
|
|
return;
|
|
|
|
m_node->deleteData(m_offset, m_count, exceptionState, CharacterData::DeprecatedRecalcStyleImmediatlelyForEditing);
|
|
}
|
|
|
|
void DeleteFromTextNodeCommand::doUnapply()
|
|
{
|
|
ASSERT(m_node);
|
|
|
|
if (!m_node->hasEditableStyle())
|
|
return;
|
|
|
|
m_node->insertData(m_offset, m_text, IGNORE_EXCEPTION, CharacterData::DeprecatedRecalcStyleImmediatlelyForEditing);
|
|
}
|
|
|
|
} // namespace blink
|