1/*
2 * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
3 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
4 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 *
21 */
22
23#pragma once
24
25#include "HTMLInputElement.h"
26#include "RenderTextControl.h"
27
28namespace WebCore {
29
30class RenderTextControlSingleLine : public RenderTextControl {
31 WTF_MAKE_ISO_ALLOCATED(RenderTextControlSingleLine);
32public:
33 RenderTextControlSingleLine(HTMLInputElement&, RenderStyle&&);
34 virtual ~RenderTextControlSingleLine();
35
36protected:
37 void centerRenderer(RenderBox& renderer) const;
38 HTMLElement* containerElement() const;
39 HTMLElement* innerBlockElement() const;
40 HTMLInputElement& inputElement() const;
41
42private:
43 void textFormControlElement() const = delete;
44
45 bool hasControlClip() const override;
46 LayoutRect controlClipRect(const LayoutPoint&) const override;
47 bool isTextField() const final { return true; }
48
49 void layout() override;
50
51 bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
52
53 void autoscroll(const IntPoint&) override;
54
55 // Subclassed to forward to our inner div.
56 int scrollLeft() const override;
57 int scrollTop() const override;
58 int scrollWidth() const override;
59 int scrollHeight() const override;
60 void setScrollLeft(int, ScrollType, ScrollClamping) override;
61 void setScrollTop(int, ScrollType, ScrollClamping) override;
62 bool scroll(ScrollDirection, ScrollGranularity, float multiplier = 1, Element** stopElement = nullptr, RenderBox* startBox = nullptr, const IntPoint& wheelEventAbsolutePoint = IntPoint()) final;
63 bool logicalScroll(ScrollLogicalDirection, ScrollGranularity, float multiplier = 1, Element** stopElement = 0) final;
64
65 int textBlockWidth() const;
66 float getAverageCharWidth() override;
67 LayoutUnit preferredContentLogicalWidth(float charWidth) const override;
68 LayoutUnit computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const override;
69
70 void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
71
72 HTMLElement* innerSpinButtonElement() const;
73};
74
75inline HTMLElement* RenderTextControlSingleLine::containerElement() const
76{
77 return inputElement().containerElement();
78}
79
80inline HTMLElement* RenderTextControlSingleLine::innerBlockElement() const
81{
82 return inputElement().innerBlockElement();
83}
84
85// ----------------------------
86
87class RenderTextControlInnerBlock final : public RenderBlockFlow {
88 WTF_MAKE_ISO_ALLOCATED(RenderTextControlInnerBlock);
89public:
90 RenderTextControlInnerBlock(Element& element, RenderStyle&& style)
91 : RenderBlockFlow(element, WTFMove(style))
92 {
93 }
94
95private:
96 bool hasLineIfEmpty() const override { return true; }
97 bool isTextControlInnerBlock() const override { return true; }
98 bool canBeProgramaticallyScrolled() const override
99 {
100 auto* shadowHost = element()->shadowHost();
101 if (is<HTMLInputElement>(shadowHost))
102 return !downcast<HTMLInputElement>(*shadowHost).hasAutoFillStrongPasswordButton();
103 return true;
104 }
105};
106
107} // namespace WebCore
108
109SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderTextControlSingleLine, isTextField())
110SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderTextControlInnerBlock, isTextControlInnerBlock())
111