layout_text_control.cc | Explore in Territory

/**
 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
 *           (C) 2008 Torch Mobile Inc. All rights reserved.
 *               (http://www.torchmobile.com/)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "third_party/blink/renderer/core/layout/forms/layout_text_control.h"

#include "third_party/blink/renderer/core/css/style_change_reason.h"
#include "third_party/blink/renderer/core/html/html_element.h"
#include "third_party/blink/renderer/core/layout/hit_test_location.h"
#include "third_party/blink/renderer/core/layout/hit_test_result.h"
#include "third_party/blink/renderer/core/layout/layout_block.h"
#include "third_party/blink/renderer/core/layout/text_utils.h"
#include "third_party/blink/renderer/core/page/chrome_client.h"
#include "third_party/blink/renderer/core/page/page.h"

namespace blink {

namespace layout_text_control {

void StyleDidChange(HTMLElement* inner_editor,
                    const ComputedStyle* old_style,
                    const ComputedStyle& new_style) { … }

int ScrollbarThickness(const LayoutBox& box) { … }

void HitInnerEditorElement(const LayoutBox& box,
                           HTMLElement& inner_editor,
                           HitTestResult& result,
                           const HitTestLocation& hit_test_location,
                           const PhysicalOffset& accumulated_offset) { … }

static const char* const kFontFamiliesWithInvalidCharWidth[] = …;

// For font families where any of the fonts don't have a valid entry in the OS/2
// table for avgCharWidth, fallback to the legacy webkit behavior of getting the
// avgCharWidth from the width of a '0'. This only seems to apply to a fixed
// number of Mac fonts, but, in order to get similar rendering across platforms,
// we do this check for all platforms.
bool HasValidAvgCharWidth(const Font& font) { … }

float GetAvgCharWidth(const ComputedStyle& style) { … }

}  // namespace layout_text_control

}  // namespace blink
chromium/third_party/blink/renderer/core/layout/forms/layout_text_control.cc
