Make WebKitCSSMatrix an alias of DOMMatrix

third_party/WebKit/Source/core/css/CSSMatrix.cpp

Index: third_party/WebKit/Source/core/css/CSSMatrix.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSMatrix.cpp b/third_party/WebKit/Source/core/css/CSSMatrix.cpp
deleted file mode 100644
index 00e937709f5d0b396e4f059eed02a216d4d57118..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/css/CSSMatrix.cpp
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * Copyright (C) 2008 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "core/css/CSSMatrix.h"
-
-#include "bindings/core/v8/ExceptionState.h"
-#include "core/CSSPropertyNames.h"
-#include "core/CSSValueKeywords.h"
-#include "core/css/CSSIdentifierValue.h"
-#include "core/css/CSSToLengthConversionData.h"
-#include "core/css/StylePropertySet.h"
-#include "core/css/parser/CSSParser.h"
-#include "core/css/resolver/TransformBuilder.h"
-#include "core/dom/ExceptionCode.h"
-#include "core/frame/UseCounter.h"
-#include "core/layout/api/LayoutViewItem.h"
-#include "core/style/ComputedStyle.h"
-#include "core/style/StyleInheritedData.h"
-#include "wtf/MathExtras.h"
-
-namespace blink {
-
-CSSMatrix* CSSMatrix::create(ExecutionContext* executionContext,
-                             const String& s,
-                             ExceptionState& exceptionState) {
-  UseCounter::count(executionContext, UseCounter::WebKitCSSMatrix);
-  return new CSSMatrix(s, exceptionState);
-}
-
-CSSMatrix::CSSMatrix(const TransformationMatrix& m)
-    : m_matrix(TransformationMatrix::create(m)) {}
-
-CSSMatrix::CSSMatrix(const String& s, ExceptionState& exceptionState)
-    : m_matrix(TransformationMatrix::create()) {
-  setMatrixValue(s, exceptionState);
-}
-
-static inline PassRefPtr<ComputedStyle> createInitialStyle() {
-  RefPtr<ComputedStyle> initialStyle = ComputedStyle::create();
-  initialStyle->font().update(nullptr);
-  return initialStyle;
-}
-
-void CSSMatrix::setMatrixValue(const String& string,
-                               ExceptionState& exceptionState) {
-  if (string.isEmpty())
-    return;
-
-  if (const CSSValue* value =
-          CSSParser::parseSingleValue(CSSPropertyTransform, string)) {
-    // Check for a "none" transform. In these cases we can use the default
-    // identity matrix.
-    if (value->isIdentifierValue() &&
-        (toCSSIdentifierValue(value))->getValueID() == CSSValueNone)
-      return;
-
-    DEFINE_STATIC_REF(ComputedStyle, initialStyle, createInitialStyle());
-    TransformOperations operations =
-        TransformBuilder::createTransformOperations(
-            *value, CSSToLengthConversionData(initialStyle, initialStyle,
-                                              LayoutViewItem(nullptr), 1.0f));
-
-    // Convert transform operations to a TransformationMatrix. This can fail
-    // if a param has a percentage ('%')
-    if (operations.dependsOnBoxSize())
-      exceptionState.throwDOMException(SyntaxError,
-                                       "The transformation depends on the box "
-                                       "size, which is not supported.");
-    m_matrix = TransformationMatrix::create();
-    operations.apply(FloatSize(0, 0), *m_matrix);
-  } else {  // There is something there but parsing failed.
-    exceptionState.throwDOMException(SyntaxError,
-                                     "Failed to parse '" + string + "'.");
-  }
-}
-
-// Perform a concatenation of the matrices (this * secondMatrix)
-CSSMatrix* CSSMatrix::multiply(CSSMatrix* secondMatrix) const {
-  if (!secondMatrix)
-    return nullptr;
-
-  return CSSMatrix::create(
-      TransformationMatrix(*m_matrix).multiply(*secondMatrix->m_matrix));
-}
-
-CSSMatrix* CSSMatrix::inverse(ExceptionState& exceptionState) const {
-  if (!m_matrix->isInvertible()) {
-    exceptionState.throwDOMException(NotSupportedError,
-                                     "The matrix is not invertable.");
-    return nullptr;
-  }
-
-  return CSSMatrix::create(m_matrix->inverse());
-}
-
-CSSMatrix* CSSMatrix::translate(double x, double y, double z) const {
-  if (std::isnan(x))
-    x = 0;
-  if (std::isnan(y))
-    y = 0;
-  if (std::isnan(z))
-    z = 0;
-  return CSSMatrix::create(
-      TransformationMatrix(*m_matrix).translate3d(x, y, z));
-}
-
-CSSMatrix* CSSMatrix::scale(double scaleX, double scaleY, double scaleZ) const {
-  if (std::isnan(scaleX))
-    scaleX = 1;
-  if (std::isnan(scaleY))
-    scaleY = scaleX;
-  if (std::isnan(scaleZ))
-    scaleZ = 1;
-  return CSSMatrix::create(
-      TransformationMatrix(*m_matrix).scale3d(scaleX, scaleY, scaleZ));
-}
-
-CSSMatrix* CSSMatrix::rotate(double rotX, double rotY, double rotZ) const {
-  if (std::isnan(rotX))
-    rotX = 0;
-
-  if (std::isnan(rotY) && std::isnan(rotZ)) {
-    rotZ = rotX;
-    rotX = 0;
-    rotY = 0;
-  }
-
-  if (std::isnan(rotY))
-    rotY = 0;
-  if (std::isnan(rotZ))
-    rotZ = 0;
-  return CSSMatrix::create(
-      TransformationMatrix(*m_matrix).rotate3d(rotX, rotY, rotZ));
-}
-
-CSSMatrix* CSSMatrix::rotateAxisAngle(double x,
-                                      double y,
-                                      double z,
-                                      double angle) const {
-  if (std::isnan(x))
-    x = 0;
-  if (std::isnan(y))
-    y = 0;
-  if (std::isnan(z))
-    z = 0;
-  if (std::isnan(angle))
-    angle = 0;
-  if (!x && !y && !z)
-    z = 1;
-  return CSSMatrix::create(
-      TransformationMatrix(*m_matrix).rotate3d(x, y, z, angle));
-}
-
-CSSMatrix* CSSMatrix::skewX(double angle) const {
-  if (std::isnan(angle))
-    angle = 0;
-  return CSSMatrix::create(TransformationMatrix(*m_matrix).skewX(angle));
-}
-
-CSSMatrix* CSSMatrix::skewY(double angle) const {
-  if (std::isnan(angle))
-    angle = 0;
-  return CSSMatrix::create(TransformationMatrix(*m_matrix).skewY(angle));
-}
-
-String CSSMatrix::toString() const {
-  // FIXME - Need to ensure valid CSS floating point values
-  // (https://bugs.webkit.org/show_bug.cgi?id=20674)
-  if (m_matrix->isAffine())
-    return String::format("matrix(%f, %f, %f, %f, %f, %f)", m_matrix->a(),
-                          m_matrix->b(), m_matrix->c(), m_matrix->d(),
-                          m_matrix->e(), m_matrix->f());
-  return String::format(
-      "matrix3d(%f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, "
-      "%f)",
-      m_matrix->m11(), m_matrix->m12(), m_matrix->m13(), m_matrix->m14(),
-      m_matrix->m21(), m_matrix->m22(), m_matrix->m23(), m_matrix->m24(),
-      m_matrix->m31(), m_matrix->m32(), m_matrix->m33(), m_matrix->m34(),
-      m_matrix->m41(), m_matrix->m42(), m_matrix->m43(), m_matrix->m44());
-}
-
-}  // namespace blink