[SVG] SVGAnimatedRect migration to new SVG property impl.

Source/core/svg/SVGRect.cpp

+/*
+ * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
+ * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
+ * Copyright (C) 2007 Apple Inc. All rights reserved.
+ *
+ * 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.
+ */
+
+#include "config.h"
+
+#include "core/svg/SVGRect.h"
+
+#include "bindings/v8/ExceptionState.h"
+#include "core/dom/ExceptionCode.h"
+#include "core/svg/SVGAnimationElement.h"
+#include "core/svg/SVGParserUtilities.h"
+#include "wtf/text/WTFString.h"
+
+namespace WebCore {
+
+SVGRect::SVGRect()
+    : NewSVGPropertyBase(classType())
+    , m_isValid(true)
+{
+}
+
+SVGRect::SVGRect(InvalidSVGRectTag)
+    : NewSVGPropertyBase(classType())
+{
+    setInvalid();
+}
+
+SVGRect::SVGRect(const FloatRect& rect)
+    : NewSVGPropertyBase(classType())
+    , m_isValid(true)
+    , m_value(rect)
+{
+}
+
+PassRefPtr<SVGRect> SVGRect::clone() const
+{
+    return SVGRect::create(m_value);
+}
+
+PassRefPtr<NewSVGPropertyBase> SVGRect::cloneForAnimation(const String& value) const
+{
+    RefPtr<SVGRect> rect = SVGRect::create();
+    rect->setValueAsString(value, IGNORE_EXCEPTION);
+    return rect.release();
+}
+
+template<typename CharType>
+void SVGRect::parse(const CharType*& ptr, const CharType* end, ExceptionState& exceptionState)
+{
+    const CharType* start = ptr;
+
+    skipOptionalSVGSpaces(ptr, end);
+
+    float x = 0.0f;
+    float y = 0.0f;
+    float width = 0.0f;
+    float height = 0.0f;
+    bool valid = parseNumber(ptr, end, x) && parseNumber(ptr, end, y) && parseNumber(ptr, end, width) && parseNumber(ptr, end, height, false);
+
+    if (!valid) {
+        exceptionState.throwDOMException(SyntaxError, "Problem parsing viewBox=\"" + String(start, end - start) + "\"");
+        setInvalid();
+        return;
+    }
+
+    skipOptionalSVGSpaces(ptr, end);
+    if (ptr < end) { // nothing should come after the last, fourth number
+        exceptionState.throwDOMException(SyntaxError, "Problem parsing viewBox=\"" + String(start, end - start) + "\"");
+        setInvalid();
+        return;
+    }
+
+    m_value = FloatRect(x, y, width, height);
+    m_isValid = true;
+}
+
+void SVGRect::setValueAsString(const String& string, ExceptionState& exceptionState)
+{
+    if (string.isNull()) {
+        setInvalid();
+        return;
+    }
+    if (string.isEmpty()) {
+        m_value = FloatRect(0.0f, 0.0f, 0.0f, 0.0f);
+        m_isValid = true;
+        return;
+    }
+
+    if (string.is8Bit()) {
+        const LChar* ptr = string.characters8();
+        const LChar* end = ptr + string.length();
+        parse(ptr, end, exceptionState);
+        return;
+    }
+
+    const UChar* ptr = string.characters16();
+    const UChar* end = ptr + string.length();
+    parse(ptr, end, exceptionState);
+}
+
+String SVGRect::valueAsString() const
+{
+    StringBuilder builder;
+    builder.append(String::number(x()));
+    builder.append(' ');
+    builder.append(String::number(y()));
+    builder.append(' ');
+    builder.append(String::number(width()));
+    builder.append(' ');
+    builder.append(String::number(height()));
+    return builder.toString();
+}
+
+void SVGRect::add(PassRefPtr<NewSVGPropertyBase> other, SVGElement*)
+{
+    m_value += toSVGRect(other)->value();
+}
+
+void SVGRect::calculateAnimatedValue(SVGAnimationElement* animationElement, float percentage, unsigned repeatCount, PassRefPtr<NewSVGPropertyBase> fromValue, PassRefPtr<NewSVGPropertyBase> toValue, PassRefPtr<NewSVGPropertyBase> toAtEndOfDurationValue, SVGElement*)
+{
+    ASSERT(animationElement);
+    RefPtr<SVGRect> fromRect = animationElement->animationMode() == ToAnimation ? this : toSVGRect(fromValue);
+    RefPtr<SVGRect> toRect = toSVGRect(toValue);
+    RefPtr<SVGRect> toAtEndOfDurationRect = toSVGRect(toAtEndOfDurationValue);
+
+    float animatedX = x();
+    float animatedY = y();
+    float animatedWidth = width();
+    float animatedHeight = height();
+    animationElement->animateAdditiveNumber(percentage, repeatCount, fromRect->x(), toRect->x(), toAtEndOfDurationRect->x(), animatedX);
+    animationElement->animateAdditiveNumber(percentage, repeatCount, fromRect->y(), toRect->y(), toAtEndOfDurationRect->y(), animatedY);
+    animationElement->animateAdditiveNumber(percentage, repeatCount, fromRect->width(), toRect->width(), toAtEndOfDurationRect->width(), animatedWidth);
+    animationElement->animateAdditiveNumber(percentage, repeatCount, fromRect->height(), toRect->height(), toAtEndOfDurationRect->height(), animatedHeight);
+
+    m_value = FloatRect(animatedX, animatedY, animatedWidth, animatedHeight);
+}
+
+float SVGRect::calculateDistance(PassRefPtr<NewSVGPropertyBase> to, SVGElement* contextElement)
+{
+    // FIXME: Distance calculation is not possible for SVGRect right now. We need the distance for every single value.
+    return -1;
+}
+
+void SVGRect::setInvalid()
+{
+    m_value = FloatRect(0.0f, 0.0f, 0.0f, 0.0f);
+    m_isValid = false;
+}
+
+}