mirror of
https://github.com/darlinghq/darling-WebCore.git
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111 lines
4.3 KiB
C++
111 lines
4.3 KiB
C++
/*
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* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
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* (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#pragma once
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#include "RenderBlockFlow.h"
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#include "RenderFlexibleBox.h"
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namespace WebCore {
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class TextControlInnerTextElement;
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class HTMLTextFormControlElement;
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class RenderTextControl : public RenderBlockFlow {
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WTF_MAKE_ISO_ALLOCATED(RenderTextControl);
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public:
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virtual ~RenderTextControl();
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WEBCORE_EXPORT HTMLTextFormControlElement& textFormControlElement() const;
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#if PLATFORM(IOS_FAMILY)
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bool canScroll() const;
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// Returns the line height of the inner renderer.
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int innerLineHeight() const override;
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#endif
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protected:
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RenderTextControl(HTMLTextFormControlElement&, RenderStyle&&);
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// This convenience function should not be made public because innerTextElement may outlive the render tree.
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RefPtr<TextControlInnerTextElement> innerTextElement() const;
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int scrollbarThickness() const;
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void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
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void hitInnerTextElement(HitTestResult&, const LayoutPoint& pointInContainer, const LayoutPoint& accumulatedOffset);
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int textBlockLogicalWidth() const;
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int textBlockLogicalHeight() const;
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float scaleEmToUnits(int x) const;
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virtual float getAverageCharWidth();
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virtual LayoutUnit preferredContentLogicalWidth(float charWidth) const = 0;
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virtual LayoutUnit computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const = 0;
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LogicalExtentComputedValues computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop) const override;
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void layoutExcludedChildren(bool relayoutChildren) override;
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private:
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void element() const = delete;
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const char* renderName() const override { return "RenderTextControl"; }
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bool isTextControl() const final { return true; }
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void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const override;
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void computePreferredLogicalWidths() override;
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bool avoidsFloats() const override { return true; }
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bool canHaveGeneratedChildren() const override { return false; }
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void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& additionalOffset, const RenderLayerModelObject* paintContainer = 0) override;
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bool canBeProgramaticallyScrolled() const override { return true; }
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};
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// Renderer for our inner container, for <search> and others.
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// We can't use RenderFlexibleBox directly, because flexboxes have a different
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// baseline definition, and then inputs of different types wouldn't line up
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// anymore.
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class RenderTextControlInnerContainer final : public RenderFlexibleBox {
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WTF_MAKE_ISO_ALLOCATED(RenderTextControlInnerContainer);
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public:
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explicit RenderTextControlInnerContainer(Element& element, RenderStyle&& style)
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: RenderFlexibleBox(element, WTFMove(style))
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{ }
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virtual ~RenderTextControlInnerContainer() = default;
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int baselinePosition(FontBaseline baseline, bool firstLine, LineDirectionMode direction, LinePositionMode position) const override
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{
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return RenderBlock::baselinePosition(baseline, firstLine, direction, position);
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}
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Optional<int> firstLineBaseline() const override { return RenderBlock::firstLineBaseline(); }
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Optional<int> inlineBlockBaseline(LineDirectionMode direction) const override { return RenderBlock::inlineBlockBaseline(direction); }
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private:
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bool isFlexibleBoxImpl() const override { return true; }
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderTextControl, isTextControl())
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