1 /* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #ifndef WebAnimation_h 26 #define WebAnimation_h 27 28 #include "WebCommon.h" 29 #include "WebNonCopyable.h" 30 #include "WebPrivateOwnPtr.h" 31 32 #if BLINK_IMPLEMENTATION 33 #include "wtf/Forward.h" 34 #endif 35 36 namespace WebCore { 37 class CCActiveAnimation; 38 } 39 40 namespace blink { 41 42 class WebAnimationCurve; 43 44 // A compositor driven animation. 45 class WebAnimation { 46 public: 47 enum TargetProperty { 48 TargetPropertyTransform = 0, 49 TargetPropertyOpacity, 50 TargetPropertyFilter 51 }; 52 53 virtual ~WebAnimation() { } 54 55 // An id is effectively the animation's name, and it is not unique. 56 virtual int id() = 0; 57 58 virtual TargetProperty targetProperty() const = 0; 59 60 // This is the number of times that the animation will play. If this 61 // value is zero the animation will not play. If it is negative, then 62 // the animation will loop indefinitely. 63 virtual int iterations() const = 0; 64 virtual void setIterations(int) = 0; 65 66 virtual double startTime() const = 0; 67 virtual void setStartTime(double monotonicTime) = 0; 68 69 virtual double timeOffset() const = 0; 70 virtual void setTimeOffset(double monotonicTime) = 0; 71 72 // If alternatesDirection is true, on odd numbered iterations we reverse the curve. 73 virtual bool alternatesDirection() const = 0; 74 virtual void setAlternatesDirection(bool) = 0; 75 }; 76 77 } // namespace blink 78 79 #endif // WebAnimation_h 80
