blob: e97e4df8e4791aa11df955da5c4cb4f65c4954ae [file] [log] [blame]
* Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
* Copyright (C) 2008 Torch Mobile Inc. All rights reserved.
* (
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
* 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
* 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.
#ifndef LayoutTextControlSingleLine_h
#define LayoutTextControlSingleLine_h
#include "core/html/forms/HTMLInputElement.h"
#include "core/layout/LayoutTextControl.h"
namespace blink {
class HTMLInputElement;
class LayoutTextControlSingleLine : public LayoutTextControl {
~LayoutTextControlSingleLine() override;
// FIXME: Move createInnerEditorStyle() to TextControlInnerEditorElement.
scoped_refptr<ComputedStyle> CreateInnerEditorStyle(
const ComputedStyle& start_style) const final;
void CapsLockStateMayHaveChanged();
Element* ContainerElement() const;
Element* EditingViewPortElement() const;
HTMLInputElement* InputElement() const;
bool HasControlClip() const final;
LayoutRect ControlClipRect(const LayoutPoint&) const final;
bool IsOfType(LayoutObjectType type) const override {
return type == kLayoutObjectTextField || LayoutTextControl::IsOfType(type);
void Paint(const PaintInfo&, const LayoutPoint&) const override;
void UpdateLayout() override;
bool NodeAtPoint(HitTestResult&,
const HitTestLocation& location_in_container,
const LayoutPoint& accumulated_offset,
HitTestAction) final;
void Autoscroll(const IntPoint&) final;
// Subclassed to forward to our inner div.
LayoutUnit ScrollLeft() const final;
LayoutUnit ScrollTop() const final;
LayoutUnit ScrollWidth() const final;
LayoutUnit ScrollHeight() const final;
void SetScrollLeft(LayoutUnit) final;
void SetScrollTop(LayoutUnit) final;
int TextBlockWidth() const;
float GetAvgCharWidth(const AtomicString& family) const final;
LayoutUnit PreferredContentLogicalWidth(float char_width) const final;
LayoutUnit ComputeControlLogicalHeight(
LayoutUnit line_height,
LayoutUnit non_content_height) const override;
void StyleDidChange(StyleDifference, const ComputedStyle* old_style) final;
void AddOverflowFromChildren() final;
bool AllowsOverflowClip() const override { return false; }
bool TextShouldBeTruncated() const;
HTMLElement* InnerSpinButtonElement() const;
bool should_draw_caps_lock_indicator_;
DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTextControlSingleLine, IsTextField());
// ----------------------------
class LayoutTextControlInnerEditor : public LayoutBlockFlow {
LayoutTextControlInnerEditor(Element* element) : LayoutBlockFlow(element) {}
bool ShouldIgnoreOverflowPropertyForInlineBlockBaseline() const override {
return true;
bool IsIntrinsicallyScrollable(
ScrollbarOrientation orientation) const override {
return orientation == kHorizontalScrollbar;
bool ScrollsOverflowX() const override { return HasOverflowClip(); }
bool ScrollsOverflowY() const override { return false; }
bool HasLineIfEmpty() const override { return true; }
} // namespace blink