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/*
* Copyright (C) 2007 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2010 Google 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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 "third_party/blink/renderer/core/editing/commands/remove_format_command.h"
#include "third_party/blink/renderer/core/css/css_property_value_set.h"
#include "third_party/blink/renderer/core/css_value_keywords.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/editing/commands/apply_style_command.h"
#include "third_party/blink/renderer/core/editing/editing_style.h"
#include "third_party/blink/renderer/core/editing/frame_selection.h"
#include "third_party/blink/renderer/core/editing/visible_selection.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/html_names.h"
namespace blink {
using namespace HTMLNames;
RemoveFormatCommand::RemoveFormatCommand(Document& document)
: CompositeEditCommand(document) {}
static bool IsElementForRemoveFormatCommand(const Element* element) {
DEFINE_STATIC_LOCAL(
HashSet<QualifiedName>, elements,
({
acronymTag, bTag, bdoTag, bigTag, citeTag, codeTag,
dfnTag, emTag, fontTag, iTag, insTag, kbdTag,
nobrTag, qTag, sTag, sampTag, smallTag, strikeTag,
strongTag, subTag, supTag, ttTag, uTag, varTag,
}));
return elements.Contains(element->TagQName());
}
void RemoveFormatCommand::DoApply(EditingState* editing_state) {
DCHECK(!GetDocument().NeedsLayoutTreeUpdate());
// TODO(editing-dev): Stop accessing FrameSelection in edit commands.
LocalFrame* frame = GetDocument().GetFrame();
const VisibleSelection selection =
frame->Selection().ComputeVisibleSelectionInDOMTree();
if (selection.IsNone() || !selection.IsValidFor(GetDocument()))
return;
// Get the default style for this editable root, it's the style that we'll
// give the content that we're operating on.
Element* root = selection.RootEditableElement();
EditingStyle* default_style = EditingStyle::Create(root);
// We want to remove everything but transparent background.
// FIXME: We shouldn't access style().
default_style->Style()->SetProperty(CSSPropertyBackgroundColor,
CSSValueTransparent);
ApplyCommandToComposite(ApplyStyleCommand::Create(
GetDocument(), default_style,
IsElementForRemoveFormatCommand, GetInputType()),
editing_state);
}
InputEvent::InputType RemoveFormatCommand::GetInputType() const {
return InputEvent::InputType::kFormatRemove;
}
} // namespace blink
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