diff options
Diffstat (limited to 'core/java/android/animation/KeyframeSet.java')
| -rw-r--r-- | core/java/android/animation/KeyframeSet.java | 80 |
1 files changed, 77 insertions, 3 deletions
diff --git a/core/java/android/animation/KeyframeSet.java b/core/java/android/animation/KeyframeSet.java index a24b1fbcdfd7..1741e60a62be 100644 --- a/core/java/android/animation/KeyframeSet.java +++ b/core/java/android/animation/KeyframeSet.java @@ -17,6 +17,7 @@ package android.animation; import java.util.ArrayList; +import java.util.Arrays; /** * This class holds a collection of Keyframe objects and is called by ValueAnimator to calculate @@ -31,12 +32,85 @@ class KeyframeSet { public KeyframeSet(Keyframe... keyframes) { mKeyframes = new ArrayList<Keyframe>(); - for (Keyframe keyframe : keyframes) { - mKeyframes.add(keyframe); - } + mKeyframes.addAll(Arrays.asList(keyframes)); mNumKeyframes = mKeyframes.size(); } + public static KeyframeSet ofInt(int... values) { + int numKeyframes = values.length; + Keyframe keyframes[] = new Keyframe[Math.max(numKeyframes,2)]; + if (numKeyframes == 1) { + keyframes[0] = new Keyframe(0f, (Object) null); + keyframes[1] = new Keyframe(1f, values[0]); + } else { + keyframes[0] = new Keyframe(0f, values[0]); + for (int i = 1; i < numKeyframes; ++i) { + keyframes[i] = new Keyframe((float) i / (numKeyframes - 1), values[i]); + } + } + return new KeyframeSet(keyframes); + } + + public static KeyframeSet ofFloat(float... values) { + int numKeyframes = values.length; + Keyframe keyframes[] = new Keyframe[Math.max(numKeyframes,2)]; + if (numKeyframes == 1) { + keyframes[0] = new Keyframe(0f, (Object) null); + keyframes[1] = new Keyframe(1f, values[0]); + } else { + keyframes[0] = new Keyframe(0f, values[0]); + for (int i = 1; i < numKeyframes; ++i) { + keyframes[i] = new Keyframe((float) i / (numKeyframes - 1), values[i]); + } + } + return new KeyframeSet(keyframes); + } + + public static KeyframeSet ofDouble(double... values) { + int numKeyframes = values.length; + Keyframe keyframes[] = new Keyframe[Math.max(numKeyframes,2)]; + if (numKeyframes == 1) { + keyframes[0] = new Keyframe(0f, (Object) null); + keyframes[1] = new Keyframe(1f, values[0]); + } else { + keyframes[0] = new Keyframe(0f, values[0]); + for (int i = 1; i < numKeyframes; ++i) { + keyframes[i] = new Keyframe((float) i / (numKeyframes - 1), values[i]); + } + } + return new KeyframeSet(keyframes); + } + + public static KeyframeSet ofLong(long... values) { + int numKeyframes = values.length; + Keyframe keyframes[] = new Keyframe[Math.max(numKeyframes,2)]; + if (numKeyframes == 1) { + keyframes[0] = new Keyframe(0f, (Object) null); + keyframes[1] = new Keyframe(1f, values[0]); + } else { + keyframes[0] = new Keyframe(0f, values[0]); + for (int i = 1; i < numKeyframes; ++i) { + keyframes[i] = new Keyframe((float) i / (numKeyframes - 1), values[i]); + } + } + return new KeyframeSet(keyframes); + } + + public static KeyframeSet ofObject(Object... values) { + int numKeyframes = values.length; + Keyframe keyframes[] = new Keyframe[Math.max(numKeyframes,2)]; + if (numKeyframes == 1) { + keyframes[0] = new Keyframe(0f, (Object) null); + keyframes[1] = new Keyframe(1f, values[0]); + } else { + keyframes[0] = new Keyframe(0f, values[0]); + for (int i = 1; i < numKeyframes; ++i) { + keyframes[i] = new Keyframe((float) i / (numKeyframes - 1), values[i]); + } + } + return new KeyframeSet(keyframes); + } + /** * Gets the animated value, given the elapsed fraction of the animation (interpolated by the * animation's interpolator) and the evaluator used to calculate in-between values. This |