| /* |
| * Copyright (C) 2009 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. |
| */ |
| |
| #include "public/web/WebRange.h" |
| |
| #include "core/dom/Document.h" |
| #include "core/dom/Range.h" |
| #include "core/editing/FrameSelection.h" |
| #include "core/editing/PlainTextRange.h" |
| #include "core/frame/LocalFrame.h" |
| |
| namespace blink { |
| |
| WebRange::WebRange(int start, int length) |
| : start_(start), end_(start + length) { |
| DCHECK(start != -1 || length != 0) |
| << "These values are reserved to indicate that the range is null"; |
| } |
| |
| WebRange::WebRange(const EphemeralRange& range) { |
| if (range.IsNull()) |
| return; |
| |
| start_ = range.StartPosition().ComputeOffsetInContainerNode(); |
| end_ = range.EndPosition().ComputeOffsetInContainerNode(); |
| } |
| |
| WebRange::WebRange(const PlainTextRange& range) { |
| if (range.IsNull()) |
| return; |
| |
| start_ = range.Start(); |
| end_ = range.end(); |
| } |
| |
| EphemeralRange WebRange::CreateEphemeralRange(LocalFrame* frame) const { |
| Element* selection_root = frame->Selection() |
| .ComputeVisibleSelectionInDOMTreeDeprecated() |
| .RootEditableElement(); |
| ContainerNode* scope = |
| selection_root ? selection_root : frame->GetDocument()->documentElement(); |
| |
| return PlainTextRange(start_, end_).CreateRange(*scope); |
| } |
| |
| } // namespace blink |