| /* |
| * 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 "core/editing/commands/RemoveCSSPropertyCommand.h" |
| |
| #include "bindings/core/v8/ExceptionStatePlaceholder.h" |
| #include "core/css/CSSStyleDeclaration.h" |
| #include "core/css/StylePropertySet.h" |
| #include "core/dom/Element.h" |
| #include "wtf/Assertions.h" |
| |
| namespace blink { |
| |
| RemoveCSSPropertyCommand::RemoveCSSPropertyCommand(Document& document, |
| Element* element, |
| CSSPropertyID property) |
| : SimpleEditCommand(document), |
| m_element(element), |
| m_property(property), |
| m_important(false) { |
| DCHECK(m_element); |
| } |
| |
| RemoveCSSPropertyCommand::~RemoveCSSPropertyCommand() {} |
| |
| void RemoveCSSPropertyCommand::doApply(EditingState*) { |
| const StylePropertySet* style = m_element->inlineStyle(); |
| if (!style) |
| return; |
| |
| m_oldValue = style->getPropertyValue(m_property); |
| m_important = style->propertyIsImportant(m_property); |
| |
| // Mutate using the CSSOM wrapper so we get the same event behavior as a |
| // script. Setting to null string removes the property. We don't have internal |
| // version of removeProperty. |
| m_element->style()->setPropertyInternal(m_property, String(), String(), false, |
| nullptr, IGNORE_EXCEPTION); |
| } |
| |
| void RemoveCSSPropertyCommand::doUnapply() { |
| m_element->style()->setPropertyInternal( |
| m_property, String(), m_oldValue, m_important, nullptr, IGNORE_EXCEPTION); |
| } |
| |
| DEFINE_TRACE(RemoveCSSPropertyCommand) { |
| visitor->trace(m_element); |
| SimpleEditCommand::trace(visitor); |
| } |
| |
| } // namespace blink |