blob: f21b51312cc35d2b0d729b7f6d242d3d37f07c95 [file] [log] [blame]
/*
* Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
*
* 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 COMPUTER, INC. ``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 COMPUTER, INC. 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.
*/
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/core/editing/reveal_selection_scope.h"
#include "third_party/blink/renderer/core/editing/editor.h"
#include "third_party/blink/renderer/core/editing/frame_selection.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
namespace blink {
RevealSelectionScope::RevealSelectionScope(LocalFrame& frame) : frame_(&frame) {
GetEditor().IncreasePreventRevealSelection();
}
RevealSelectionScope::~RevealSelectionScope() {
DCHECK(GetEditor().PreventRevealSelection());
GetEditor().DecreasePreventRevealSelection();
if (GetEditor().PreventRevealSelection())
return;
if (!frame_->Selection().IsAvailable())
return;
frame_->Selection().RevealSelection(ScrollAlignment::kAlignToEdgeIfNeeded,
kRevealExtent);
}
Editor& RevealSelectionScope::GetEditor() {
return frame_->GetEditor();
}
void RevealSelectionScope::Trace(Visitor* visitor) {
visitor->Trace(frame_);
}
} // namespace blink