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/*
* Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
* Copyright (C) 2008 Torch Mobile Inc. All rights reserved.
* (http://www.torchmobile.com/)
* 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
* 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.
*
*/
#ifndef LayoutTextControlSingleLine_h
#define LayoutTextControlSingleLine_h
#include "core/html/HTMLInputElement.h"
#include "core/layout/LayoutTextControl.h"
namespace blink {
class HTMLInputElement;
class LayoutTextControlSingleLine : public LayoutTextControl {
public:
LayoutTextControlSingleLine(HTMLInputElement*);
~LayoutTextControlSingleLine() override;
// FIXME: Move createInnerEditorStyle() to TextControlInnerEditorElement.
PassRefPtr<ComputedStyle> createInnerEditorStyle(
const ComputedStyle& startStyle) const final;
void capsLockStateMayHaveChanged();
protected:
Element* containerElement() const;
Element* editingViewPortElement() const;
HTMLInputElement* inputElement() const;
private:
bool hasControlClip() const final;
LayoutRect controlClipRect(const LayoutPoint&) const final;
bool isOfType(LayoutObjectType type) const override {
return type == LayoutObjectTextField || LayoutTextControl::isOfType(type);
}
void paint(const PaintInfo&, const LayoutPoint&) const override;
void layout() override;
bool nodeAtPoint(HitTestResult&,
const HitTestLocation& locationInContainer,
const LayoutPoint& accumulatedOffset,
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 charWidth) const final;
LayoutUnit computeControlLogicalHeight(
LayoutUnit lineHeight,
LayoutUnit nonContentHeight) const override;
void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) final;
void addOverflowFromChildren() final;
bool allowsOverflowClip() const override { return false; }
bool textShouldBeTruncated() const;
HTMLElement* innerSpinButtonElement() const;
bool m_shouldDrawCapsLockIndicator;
};
DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTextControlSingleLine, isTextField());
// ----------------------------
class LayoutTextControlInnerEditor : public LayoutBlockFlow {
public:
LayoutTextControlInnerEditor(Element* element) : LayoutBlockFlow(element) {}
bool shouldIgnoreOverflowPropertyForInlineBlockBaseline() const override {
return true;
}
private:
bool isIntrinsicallyScrollable(
ScrollbarOrientation orientation) const override {
return orientation == HorizontalScrollbar;
}
bool scrollsOverflowX() const override { return hasOverflowClip(); }
bool scrollsOverflowY() const override { return false; }
bool hasLineIfEmpty() const override { return true; }
};
} // namespace blink
#endif
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