| /* |
| * Copyright (C) 2011 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: |
| * |
| * * 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 |
| * (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_SUBSTRING_UTIL_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_SUBSTRING_UTIL_H_ |
| |
| #include <CoreFoundation/CoreFoundation.h> |
| |
| #include <cstddef> |
| |
| #include "base/apple/scoped_cftyperef.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/platform/wtf/wtf_size_t.h" |
| |
| namespace gfx { |
| class Point; |
| } // namespace gfx |
| |
| namespace blink { |
| class WebFrameWidgetImpl; |
| class LocalFrame; |
| |
| class SubstringUtil { |
| public: |
| // Given a point inside a `WebFrameWidgetImpl`, determines the word underneath |
| // that point and returns: |
| // |
| // - a `CFAttributedStringRef` of that word and |
| // - the left baseline point of that word in `baseline_point` |
| // |
| // Returns nil on failure. |
| CORE_EXPORT static base::apple::ScopedCFTypeRef<CFAttributedStringRef> |
| AttributedWordAtPoint(WebFrameWidgetImpl*, |
| gfx::Point, |
| gfx::Point& baseline_point); |
| |
| // Given a range of a `LocalFrame`, determines the substring specified by that |
| // range and returns: |
| // |
| // - a `CFAttributedStringRef` of that substring and |
| // - the left baseline point of that substring in `baseline_point` |
| // |
| // Returns nil on failure. |
| CORE_EXPORT static base::apple::ScopedCFTypeRef<CFAttributedStringRef> |
| AttributedSubstringInRange(LocalFrame*, |
| wtf_size_t location, |
| wtf_size_t length, |
| gfx::Point& baseline_point); |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_SUBSTRING_UTIL_H_ |