Web Animations API: Bindings for TimedItem.specified with readonly attributes

Source/platform/animation/TimingFunction.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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
@@ skipping 16 matching lines @@
 
 #include "RuntimeEnabledFeatures.h"
 #include "platform/animation/AnimationUtilities.h" // For blend()
 #include "platform/animation/UnitBezier.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/Vector.h"
+#include "wtf/text/StringBuilder.h"
+#include "wtf/text/WTFString.h"
 #include <algorithm>
 
 
 namespace WebCore {
 
 class TimingFunction : public RefCounted<TimingFunction> {
 public:
 
     enum Type {
         LinearFunction, CubicBezierFunction, StepsFunction, ChainedFunction
     };
 
     virtual ~TimingFunction() { }
 
     Type type() const { return m_type; }
 
+    virtual String toString() const { return ""; }

[abarth-chromium, 2014/02/13 03:09:38]

Please move virtual functions out of line.

+
     // Evaluates the timing function at the given fraction. The accuracy parameter provides a hint as to the required
     // accuracy and is not guaranteed.
     virtual double evaluate(double fraction, double accuracy) const = 0;
 
 protected:
     TimingFunction(Type type)
         : m_type(type)
     {
     }
 
 private:
     Type m_type;
 };
 
 class LinearTimingFunction FINAL : public TimingFunction {
 public:
     static PassRefPtr<LinearTimingFunction> create()
     {
         return adoptRef(new LinearTimingFunction);
     }
 
     virtual ~LinearTimingFunction() { }
 
+    virtual String toString() const OVERRIDE { return "linear"; }

[abarth-chromium, 2014/02/13 03:09:38]

ditto

+
     virtual double evaluate(double fraction, double) const OVERRIDE
     {
         ASSERT(RuntimeEnabledFeatures::webAnimationsCSSEnabled() || (fraction >= 0 && fraction <= 1));
         ASSERT_WITH_MESSAGE(!RuntimeEnabledFeatures::webAnimationsCSSEnabled() || (fraction >= 0 && fraction <= 1), "Web Animations not yet implemented: Timing function behavior outside the range [0, 1] is not yet specified");
         return fraction;
     }
 
 private:
     LinearTimingFunction()
         : TimingFunction(LinearFunction)
     {
     }
 };
 
-
 // Forward declare so we can friend it below. Don't use in production code!
 class ChainedTimingFunctionTestHelper;
 
 class CubicBezierTimingFunction FINAL : public TimingFunction {
 public:
     enum SubType {
         Ease,
         EaseIn,
         EaseOut,
         EaseInOut,
@@ skipping 29 matching lines @@
                 return easeInOut;
             }
         default:
             ASSERT_NOT_REACHED();
             return 0;
         }
     }
 
     virtual ~CubicBezierTimingFunction() { }
 
+    virtual String toString() const OVERRIDE
+    {
+        switch (this->subType()) {
+        case CubicBezierTimingFunction::Ease:
+            return "ease";
+            break;
+        case CubicBezierTimingFunction::EaseIn:
+            return "ease-in";
+            break;
+        case CubicBezierTimingFunction::EaseOut:
+            return "ease-out";
+            break;
+        case CubicBezierTimingFunction::EaseInOut:
+            return "ease-in-out";
+            break;
+        case CubicBezierTimingFunction::Custom:
+            return "cubic-bezier(" + String::numberToStringECMAScript(this->x1()) + ", " +
+                String::numberToStringECMAScript(this->y1()) + ", " + String::numberToStringECMAScript(this->x2()) +
+                ", " + String::numberToStringECMAScript(this->y2()) + ")";
+            break;
+        default:
+            ASSERT_NOT_REACHED();
+        }
+        return "";
+    }
+
     virtual double evaluate(double fraction, double accuracy) const OVERRIDE
     {
         ASSERT(RuntimeEnabledFeatures::webAnimationsCSSEnabled() || (fraction >= 0 && fraction <= 1));
         ASSERT_WITH_MESSAGE(!RuntimeEnabledFeatures::webAnimationsCSSEnabled() || (fraction >= 0 && fraction <= 1), "Web Animations not yet implemented: Timing function behavior outside the range [0, 1] is not yet specified");
         if (!m_bezier)
             m_bezier = adoptPtr(new UnitBezier(m_x1, m_y1, m_x2, m_y2));
         return m_bezier->solve(fraction, accuracy);
     }
 
     double x1() const { return m_x1; }
@@ skipping 50 matching lines @@
             }
         default:
             ASSERT_NOT_REACHED();
             return 0;
         }
     }
 
 
     virtual ~StepsTimingFunction() { }
 
+    virtual String toString() const OVERRIDE
+    {
+        StringBuilder builder;
+        switch (this->subType()) {
+        case StepsTimingFunction::Start:
+            return "step-start";
+            break;
+        case StepsTimingFunction::End:
+            return "step-end";
+            break;
+        case StepsTimingFunction::Custom:
+            builder.append("steps(" + String::numberToStringECMAScript(this->numberOfSteps()) + ", ");
+            builder.append(this->stepAtStart() ? "start" : "end");
+            builder.append(")");
+            break;
+        default:
+            ASSERT_NOT_REACHED();
+        }
+        return builder.toString();
+    }
+
     virtual double evaluate(double fraction, double) const OVERRIDE
     {
         ASSERT(RuntimeEnabledFeatures::webAnimationsCSSEnabled() || (fraction >= 0 && fraction <= 1));
         ASSERT_WITH_MESSAGE(!RuntimeEnabledFeatures::webAnimationsCSSEnabled() || (fraction >= 0 && fraction <= 1), "Web Animations not yet implemented: Timing function behavior outside the range [0, 1] is not yet specified");
         return std::min(1.0, (floor(m_steps * fraction) + m_stepAtStart) / m_steps);
     }
 
     int numberOfSteps() const { return m_steps; }
     bool stepAtStart() const { return m_stepAtStart; }
 
@@ skipping 19 matching lines @@
     {
         return adoptRef(new ChainedTimingFunction);
     }
 
     void appendSegment(double upperBound, TimingFunction* timingFunction)
     {
         double max = m_segments.isEmpty() ? 0 : m_segments.last().max();
         ASSERT(upperBound > max);
         m_segments.append(Segment(max, upperBound, timingFunction));
     }
+
+    virtual String toString() const OVERRIDE
+    {
+        StringBuilder builder;
+        builder.append("chained(");
+        for (size_t i = 0; i < this->m_segments.size(); i++) {
+            ChainedTimingFunction::Segment segment = this->m_segments[i];
+            builder.append(segment.m_timingFunction->toString());
+            builder.append("[" + String::numberToStringECMAScript(segment.m_min) + " -> " + String::numberToStringECMAScript(segment.m_max) + "]");
+            if (i+1 != this->m_segments.size()) {
+                builder.append(", ");
+            }
+        }
+        builder.append(")");
+        return builder.toString();
+    }
+
     virtual double evaluate(double fraction, double accuracy) const OVERRIDE
     {
         ASSERT_WITH_MESSAGE(fraction >= 0 && fraction <= 1, "Web Animations not yet implemented: Timing function behavior outside the range [0, 1] is not yet specified");
         ASSERT(!m_segments.isEmpty());
         ASSERT(m_segments.last().max() == 1);
         size_t i = 0;
         const Segment* segment = &m_segments[i++];
         while (fraction >= segment->max() && i < m_segments.size()) {
             segment = &m_segments[i++];
         }
@@ skipping 26 matching lines @@
         // FIXME: Come up with a public API for the segments and remove this.
         friend class CompositorAnimationsImpl;
         friend class CompositorAnimations;
 
         // Allow the compositor to reverse the timing function.
         friend class CompositorAnimationsTimingFunctionReverser;
 
         // Allow PrintTo/operator== of the segments. Can be removed once
         // ChainedTimingFunction has a public API for segments.
         friend class ChainedTimingFunctionTestHelper;
+        friend class ChainedTimingFunction;
     };
 
     ChainedTimingFunction()
         : TimingFunction(ChainedFunction)
     {
         ASSERT(RuntimeEnabledFeatures::webAnimationsCSSEnabled());
     }
 
     Vector<Segment> m_segments;
 
@@ skipping 16 matching lines @@
         value.type() == TimingFunction::typeName##Function)
 
 DEFINE_TIMING_FUNCTION_TYPE_CASTS(Linear);
 DEFINE_TIMING_FUNCTION_TYPE_CASTS(CubicBezier);
 DEFINE_TIMING_FUNCTION_TYPE_CASTS(Steps);
 DEFINE_TIMING_FUNCTION_TYPE_CASTS(Chained);
 
 } // namespace WebCore
 
 #endif // TimingFunction_h