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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2013 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_EDITING_STYLE_UTILITIES_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_EDITING_STYLE_UTILITIES_H_
#include "third_party/blink/renderer/core/css/css_value.h"
#include "third_party/blink/renderer/core/css_value_keywords.h"
#include "third_party/blink/renderer/core/dom/container_node.h"
#include "third_party/blink/renderer/core/editing/forward.h"
#include "third_party/blink/renderer/platform/wtf/allocator.h"
namespace blink {
class CSSStyleDeclaration;
class EditingStyle;
class MutableCSSPropertyValueSet;
class Node;
class CSSPropertyValueSet;
class EditingStyleUtilities {
STATIC_ONLY(EditingStyleUtilities);
public:
static EditingStyle* CreateWrappingStyleForAnnotatedSerialization(
ContainerNode* context);
static EditingStyle* CreateWrappingStyleForSerialization(
ContainerNode* context);
static EditingStyle* CreateStyleAtSelectionStart(
const VisibleSelection&,
bool should_use_background_color_in_effect = false,
MutableCSSPropertyValueSet* style_to_check = nullptr);
static bool IsEmbedOrIsolate(CSSValueID unicode_bidi) {
return unicode_bidi == CSSValueIsolate ||
unicode_bidi == CSSValueWebkitIsolate ||
unicode_bidi == CSSValueEmbed;
}
static bool IsTransparentColorValue(const CSSValue*);
static bool HasTransparentBackgroundColor(CSSStyleDeclaration*);
static bool HasTransparentBackgroundColor(CSSPropertyValueSet*);
static const CSSValue* BackgroundColorValueInEffect(Node*);
static bool HasAncestorVerticalAlignStyle(Node&, CSSValueID);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_EDITING_STYLE_UTILITIES_H_