Import TestRunner library into chromium.

content/shell/renderer/test_runner/WebTestThemeControlWin.cpp

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This file implements a simple generic version of the WebThemeEngine,
+// which is used to draw all the native controls on a web page. We use this
+// file when running in layout test mode in order to remove any
+// platform-specific rendering differences due to themes, colors, etc.
+//
+
+#include "content/shell/renderer/test_runner/WebTestThemeControlWin.h"
+
+#include "content/shell/renderer/test_runner/TestCommon.h"
+#include "skia/ext/skia_utils_win.h"
+#include "third_party/skia/include/core/SkCanvas.h"
+#include "third_party/skia/include/core/SkPaint.h"
+#include "third_party/skia/include/core/SkPath.h"
+
+#include <algorithm>
+
+using namespace blink;
+using namespace std;
+
+namespace WebTestRunner {
+
+namespace {
+
+const SkColor edgeColor     = SK_ColorBLACK;
+const SkColor readOnlyColor = SkColorSetRGB(0xe9, 0xc2, 0xa6);
+const SkColor fgColor       = SK_ColorBLACK;
+
+// These are indexed by WebTestThemeControlWin::State, *not* WebThemeEngine::State.
+const SkColor bgColors[]    = {
+    SK_ColorBLACK, //                   Unknown (not used)
+    SkColorSetRGB(0xc9, 0xc9, 0xc9), // Disabled
+    SkColorSetRGB(0xf3, 0xe0, 0xd0), // Readonly
+    SkColorSetRGB(0x89, 0xc4, 0xff), // Normal
+    SkColorSetRGB(0x43, 0xf9, 0xff), // Hot
+    SkColorSetRGB(0x20, 0xf6, 0xcc), // Hover
+    SkColorSetRGB(0x00, 0xf3, 0xac), // Focused
+    SkColorSetRGB(0xa9, 0xff, 0x12), // Pressed
+    SkColorSetRGB(0xcc, 0xcc, 0xcc) //  Indeterminate (not used)
+};
+
+SkIRect validate(const SkIRect& rect, WebTestThemeControlWin::Type ctype)
+{
+    switch (ctype) {
+    case WebTestThemeControlWin::UncheckedBoxType:
+    case WebTestThemeControlWin::CheckedBoxType:
+    case WebTestThemeControlWin::UncheckedRadioType:
+    case WebTestThemeControlWin::CheckedRadioType: {
+        SkIRect retval = rect;
+
+        // The maximum width and height is 13.
+        // Center the square in the passed rectangle.
+        const int maxControlSize = 13;
+        int controlSize = std::min(rect.width(), rect.height());
+        controlSize = std::min(controlSize, maxControlSize);
+
+        retval.fLeft   = rect.fLeft + (rect.width() / 2) - (controlSize / 2);
+        retval.fRight  = retval.fLeft + controlSize - 1;
+        retval.fTop    = rect.fTop + (rect.height() / 2) - (controlSize / 2);
+        retval.fBottom = retval.fTop + controlSize - 1;
+
+        return retval;
+    }
+
+    default:
+        return rect;
+    }
+}
+
+}
+
+WebTestThemeControlWin::WebTestThemeControlWin(SkCanvas* canvas, const SkIRect& irect, Type ctype, State cstate)
+    : m_canvas(canvas)
+    , m_irect(validate(irect, ctype))
+    , m_type(ctype)
+    , m_state(cstate)
+    , m_left(m_irect.fLeft)
+    , m_right(m_irect.fRight)
+    , m_top(m_irect.fTop)
+    , m_bottom(m_irect.fBottom)
+    , m_height(m_irect.height())
+    , m_width(m_irect.width())
+    , m_edgeColor(edgeColor)
+    , m_bgColor(bgColors[cstate])
+    , m_fgColor(fgColor)
+{
+}
+
+WebTestThemeControlWin::~WebTestThemeControlWin()
+{
+}
+
+void WebTestThemeControlWin::box(const SkIRect& rect, SkColor fillColor)
+{
+    SkPaint paint;
+
+    paint.setStyle(SkPaint::kFill_Style);
+    paint.setColor(fillColor);
+    m_canvas->drawIRect(rect, paint);
+
+    paint.setColor(m_edgeColor);
+    paint.setStyle(SkPaint::kStroke_Style);
+    m_canvas->drawIRect(rect, paint);
+}
+
+void WebTestThemeControlWin::line(int x0, int y0, int x1, int y1, SkColor color)
+{
+    SkPaint paint;
+    paint.setColor(color);
+    m_canvas->drawLine(SkIntToScalar(x0), SkIntToScalar(y0), SkIntToScalar(x1), SkIntToScalar(y1), paint);
+}
+
+void WebTestThemeControlWin::triangle(int x0, int y0, int x1, int y1, int x2, int y2, SkColor color)
+{
+    SkPath path;
+    SkPaint paint;
+
+    paint.setColor(color);
+    paint.setStyle(SkPaint::kFill_Style);
+    path.incReserve(4);
+    path.moveTo(SkIntToScalar(x0), SkIntToScalar(y0));
+    path.lineTo(SkIntToScalar(x1), SkIntToScalar(y1));
+    path.lineTo(SkIntToScalar(x2), SkIntToScalar(y2));
+    path.close();
+    m_canvas->drawPath(path, paint);
+
+    paint.setColor(m_edgeColor);
+    paint.setStyle(SkPaint::kStroke_Style);
+    m_canvas->drawPath(path, paint);
+}
+
+void WebTestThemeControlWin::roundRect(SkColor color)
+{
+    SkRect rect;
+    SkScalar radius = SkIntToScalar(5);
+    SkPaint paint;
+
+    rect.set(m_irect);
+    paint.setColor(color);
+    paint.setStyle(SkPaint::kFill_Style);
+    m_canvas->drawRoundRect(rect, radius, radius, paint);
+
+    paint.setColor(m_edgeColor);
+    paint.setStyle(SkPaint::kStroke_Style);
+    m_canvas->drawRoundRect(rect, radius, radius, paint);
+}
+
+void WebTestThemeControlWin::oval(SkColor color)
+{
+    SkRect rect;
+    SkPaint paint;
+
+    rect.set(m_irect);
+    paint.setColor(color);
+    paint.setStyle(SkPaint::kFill_Style);
+    m_canvas->drawOval(rect, paint);
+
+    paint.setColor(m_edgeColor);
+    paint.setStyle(SkPaint::kStroke_Style);
+    m_canvas->drawOval(rect, paint);
+}
+
+void WebTestThemeControlWin::circle(SkScalar radius, SkColor color)
+{
+    SkScalar cy = SkIntToScalar(m_top  + m_height / 2);
+    SkScalar cx = SkIntToScalar(m_left + m_width / 2);
+    SkPaint paint;
+
+    paint.setColor(color);
+    paint.setStyle(SkPaint::kFill_Style);
+    m_canvas->drawCircle(cx, cy, radius, paint);
+
+    paint.setColor(m_edgeColor);
+    paint.setStyle(SkPaint::kStroke_Style);
+    m_canvas->drawCircle(cx, cy, radius, paint);
+}
+
+void WebTestThemeControlWin::nestedBoxes(int indentLeft, int indentTop, int indentRight, int indentBottom, SkColor outerColor, SkColor innerColor)
+{
+    SkIRect lirect;
+    box(m_irect, outerColor);
+    lirect.set(m_irect.fLeft + indentLeft, m_irect.fTop + indentTop, m_irect.fRight - indentRight, m_irect.fBottom - indentBottom);
+    box(lirect, innerColor);
+}
+
+void WebTestThemeControlWin::markState()
+{
+    // The horizontal lines in a read only control are spaced by this amount.
+    const int readOnlyLineOffset = 5;
+
+    // The length of a triangle side for the corner marks.
+    const int triangleSize = 5;
+
+    switch (m_state) {
+    case UnknownState:
+    case DisabledState:
+    case NormalState:
+    case IndeterminateState:
+        // Don't visually mark these states (color is enough).
+        break;
+    case ReadOnlyState:
+        // Drawing lines across the control.
+        for (int i = m_top + readOnlyLineOffset; i < m_bottom; i += readOnlyLineOffset)
+            line(m_left + 1, i, m_right - 1, i, readOnlyColor);
+        break;
+
+    case HotState:
+        // Draw a triangle in the upper left corner of the control.
+        triangle(m_left, m_top, m_left + triangleSize, m_top, m_left, m_top + triangleSize, m_edgeColor);
+        break;
+
+    case HoverState:
+        // Draw a triangle in the upper right corner of the control.
+        triangle(m_right, m_top, m_right, m_top + triangleSize, m_right - triangleSize, m_top, m_edgeColor);
+        break;
+
+    case FocusedState:
+        // Draw a triangle in the bottom right corner of the control.
+        triangle(m_right, m_bottom, m_right - triangleSize, m_bottom, m_right, m_bottom - triangleSize, m_edgeColor);
+        break;
+
+    case PressedState:
+        // Draw a triangle in the bottom left corner of the control.
+        triangle(m_left, m_bottom, m_left, m_bottom - triangleSize, m_left + triangleSize, m_bottom, m_edgeColor);
+        break;
+
+    default:
+        BLINK_ASSERT_NOT_REACHED();
+        break;
+    }
+}
+
+void WebTestThemeControlWin::draw()
+{
+    int halfWidth = m_width / 2;
+    int halfHeight = m_height / 2;
+    int quarterWidth = m_width / 4;
+    int quarterHeight = m_height / 4;
+
+    // Indent amounts for the check in a checkbox or radio button.
+    const int checkIndent = 3;
+
+    // Indent amounts for short and long sides of the scrollbar notches.
+    const int notchLongOffset = 1;
+    const int notchShortOffset = 4;
+    const int noOffset = 0;
+
+    // Indent amounts for the short and long sides of a scroll thumb box.
+    const int thumbLongIndent = 0;
+    const int thumbShortIndent = 2;
+
+    // Indents for the crosshatch on a scroll grip.
+    const int gripLongIndent = 3;
+    const int gripShortIndent = 5;
+
+    // Indents for the the slider track.
+    const int sliderIndent = 2;
+
+    switch (m_type) {
+    case UnknownType:
+        BLINK_ASSERT_NOT_REACHED();
+        break;
+
+    case TextFieldType:
+        // We render this by hand outside of this function.
+        BLINK_ASSERT_NOT_REACHED();
+        break;
+
+    case PushButtonType:
+        // push buttons render as a rounded rectangle
+        roundRect(m_bgColor);
+        break;
+
+    case UncheckedBoxType:
+        // Unchecked boxes are simply plain boxes.
+        box(m_irect, m_bgColor);
+        break;
+
+    case CheckedBoxType:
+        nestedBoxes(checkIndent, checkIndent, checkIndent, checkIndent, m_bgColor, m_fgColor);
+        break;
+
+    case IndeterminateCheckboxType:
+        // Indeterminate checkbox is a box containing '-'.
+        nestedBoxes(checkIndent, halfHeight, checkIndent, halfHeight, m_bgColor, m_fgColor);
+        break;
+
+    case UncheckedRadioType:
+        circle(SkIntToScalar(halfHeight), m_bgColor);
+        break;
+
+    case CheckedRadioType:
+        circle(SkIntToScalar(halfHeight), m_bgColor);
+        circle(SkIntToScalar(halfHeight - checkIndent), m_fgColor);
+        break;
+
+    case HorizontalScrollTrackBackType: {
+        // Draw a box with a notch at the left.
+        int longOffset = halfHeight - notchLongOffset;
+        int shortOffset = m_width - notchShortOffset;
+        nestedBoxes(noOffset, longOffset, shortOffset, longOffset, m_bgColor, m_edgeColor);
+        break;
+    }
+
+    case HorizontalScrollTrackForwardType: {
+        // Draw a box with a notch at the right.
+        int longOffset  = halfHeight - notchLongOffset;
+        int shortOffset = m_width - notchShortOffset;
+        nestedBoxes(shortOffset, longOffset, noOffset, longOffset, m_bgColor, m_fgColor);
+        break;
+    }
+
+    case VerticalScrollTrackBackType: {
+        // Draw a box with a notch at the top.
+        int longOffset  = halfWidth - notchLongOffset;
+        int shortOffset = m_height - notchShortOffset;
+        nestedBoxes(longOffset, noOffset, longOffset, shortOffset, m_bgColor, m_fgColor);
+        break;
+    }
+
+    case VerticalScrollTrackForwardType: {
+        // Draw a box with a notch at the bottom.
+        int longOffset  = halfWidth - notchLongOffset;
+        int shortOffset = m_height - notchShortOffset;
+        nestedBoxes(longOffset, shortOffset, longOffset, noOffset, m_bgColor, m_fgColor);
+        break;
+    }
+
+    case HorizontalScrollThumbType:
+        // Draw a narrower box on top of the outside box.
+        nestedBoxes(thumbLongIndent, thumbShortIndent, thumbLongIndent, thumbShortIndent, m_bgColor, m_bgColor);
+        break;
+
+    case VerticalScrollThumbType:
+        // Draw a shorter box on top of the outside box.
+        nestedBoxes(thumbShortIndent, thumbLongIndent, thumbShortIndent, thumbLongIndent, m_bgColor, m_bgColor);
+        break;
+
+    case HorizontalSliderThumbType:
+    case VerticalSliderThumbType:
+        // Slider thumbs are ovals.
+        oval(m_bgColor);
+        break;
+
+    case HorizontalScrollGripType: {
+        // Draw a horizontal crosshatch for the grip.
+        int longOffset = halfWidth - gripLongIndent;
+        line(m_left + gripLongIndent, m_top + halfHeight, m_right - gripLongIndent, m_top + halfHeight, m_fgColor);
+        line(m_left + longOffset, m_top + gripShortIndent, m_left + longOffset, m_bottom - gripShortIndent, m_fgColor);
+        line(m_right - longOffset, m_top + gripShortIndent, m_right - longOffset, m_bottom - gripShortIndent, m_fgColor);
+        break;
+    }
+
+    case VerticalScrollGripType: {
+        // Draw a vertical crosshatch for the grip.
+        int longOffset = halfHeight - gripLongIndent;
+        line(m_left + halfWidth, m_top + gripLongIndent, m_left + halfWidth, m_bottom - gripLongIndent, m_fgColor);
+        line(m_left + gripShortIndent, m_top + longOffset, m_right - gripShortIndent, m_top + longOffset, m_fgColor);
+        line(m_left + gripShortIndent, m_bottom - longOffset, m_right - gripShortIndent, m_bottom - longOffset, m_fgColor);
+        break;
+    }
+
+    case LeftArrowType:
+        // Draw a left arrow inside a box.
+        box(m_irect, m_bgColor);
+        triangle(m_right - quarterWidth, m_top + quarterHeight, m_right - quarterWidth, m_bottom - quarterHeight, m_left + quarterWidth, m_top + halfHeight, m_fgColor);
+        break;
+
+    case RightArrowType:
+        // Draw a left arrow inside a box.
+        box(m_irect, m_bgColor);
+        triangle(m_left + quarterWidth, m_top + quarterHeight, m_right - quarterWidth, m_top + halfHeight, m_left + quarterWidth, m_bottom - quarterHeight, m_fgColor);
+        break;
+
+    case UpArrowType:
+        // Draw an up arrow inside a box.
+        box(m_irect, m_bgColor);
+        triangle(m_left + quarterWidth, m_bottom - quarterHeight, m_left + halfWidth, m_top + quarterHeight, m_right - quarterWidth, m_bottom - quarterHeight, m_fgColor);
+        break;
+
+    case DownArrowType:
+        // Draw a down arrow inside a box.
+        box(m_irect, m_bgColor);
+        triangle(m_left + quarterWidth, m_top + quarterHeight, m_right - quarterWidth, m_top + quarterHeight, m_left + halfWidth, m_bottom - quarterHeight, m_fgColor);
+        break;
+
+    case HorizontalSliderTrackType: {
+        // Draw a narrow rect for the track plus box hatches on the ends.
+        SkIRect lirect;
+        lirect = m_irect;
+        lirect.inset(noOffset, halfHeight - sliderIndent);
+        box(lirect, m_bgColor);
+        line(m_left,  m_top, m_left,  m_bottom, m_edgeColor);
+        line(m_right, m_top, m_right, m_bottom, m_edgeColor);
+        break;
+    }
+
+    case VerticalSliderTrackType: {
+        // Draw a narrow rect for the track plus box hatches on the ends.
+        SkIRect lirect;
+        lirect = m_irect;
+        lirect.inset(halfWidth - sliderIndent, noOffset);
+        box(lirect, m_bgColor);
+        line(m_left, m_top, m_right, m_top, m_edgeColor);
+        line(m_left, m_bottom, m_right, m_bottom, m_edgeColor);
+        break;
+    }
+
+    case DropDownButtonType:
+        // Draw a box with a big down arrow on top.
+        box(m_irect, m_bgColor);
+        triangle(m_left + quarterWidth, m_top, m_right - quarterWidth, m_top, m_left + halfWidth, m_bottom, m_fgColor);
+        break;
+
+    default:
+        BLINK_ASSERT_NOT_REACHED();
+        break;
+    }
+
+    markState();
+}
+
+// Because rendering a text field is dependent on input
+// parameters the other controls don't have, we render it directly
+// rather than trying to overcomplicate draw() further.
+void WebTestThemeControlWin::drawTextField(bool drawEdges, bool fillContentArea, SkColor color)
+{
+    SkPaint paint;
+
+    if (fillContentArea) {
+        paint.setColor(color);
+        paint.setStyle(SkPaint::kFill_Style);
+        m_canvas->drawIRect(m_irect, paint);
+    }
+    if (drawEdges) {
+        paint.setColor(m_edgeColor);
+        paint.setStyle(SkPaint::kStroke_Style);
+        m_canvas->drawIRect(m_irect, paint);
+    }
+
+    markState();
+}
+
+void WebTestThemeControlWin::drawProgressBar(const SkIRect& fillRect)
+{
+    SkPaint paint;
+
+    paint.setColor(m_bgColor);
+    paint.setStyle(SkPaint::kFill_Style);
+    m_canvas->drawIRect(m_irect, paint);
+
+    // Emulate clipping
+    SkIRect tofill;
+    tofill.intersect(m_irect, fillRect);
+    paint.setColor(m_fgColor);
+    paint.setStyle(SkPaint::kFill_Style);
+    m_canvas->drawIRect(tofill, paint);
+
+    markState();
+}
+
+}