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/*
* Copyright (C) 2012 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 APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_SURROUNDING_TEXT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_SURROUNDING_TEXT_H_
#include "third_party/blink/renderer/core/core_export.h"
#if INSIDE_BLINK
#include "third_party/blink/renderer/core/editing/forward.h" // nogncheck
#endif
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
class LocalFrame;
// SurroundingText is a Blink API that gives access to the SurroundingText
// API. It allows caller to know the text surrounding a point or a range.
class CORE_EXPORT SurroundingText {
public:
// Initializes the object with the current selection in a given frame.
// The maximum length of the contents retrieved is defined by max_length.
// It does not include the text inside the range.
SurroundingText(LocalFrame*, wtf_size_t max_length);
#if INSIDE_BLINK
SurroundingText(const EphemeralRange&, wtf_size_t max_length);
#endif
bool IsEmpty() const;
// Surrounding text content retrieved.
String TextContent() const;
// Start offset of the initial text in the text content.
wtf_size_t StartOffsetInTextContent() const;
// End offset of the initial text in the text content.
wtf_size_t EndOffsetInTextContent() const;
private:
String text_content_;
wtf_size_t start_offset_in_text_content_;
wtf_size_t end_offset_in_text_content_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_SURROUNDING_TEXT_H_
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