1 files changed, 132 insertions, 0 deletions
diff --git a/InCallUI/src/com/android/incallui/widget/multiwaveview/Ease.java b/InCallUI/src/com/android/incallui/widget/multiwaveview/Ease.java
new file mode 100644
index 000000000..5ef689771
--- /dev/null
+++ b/InCallUI/src/com/android/incallui/widget/multiwaveview/Ease.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.incallui.widget.multiwaveview;
+
+import android.animation.TimeInterpolator;
+
+class Ease {
+    private static final float DOMAIN = 1.0f;
+    private static final float DURATION = 1.0f;
+    private static final float START = 0.0f;
+
+    static class Linear {
+        public static final TimeInterpolator easeNone = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return input;
+            }
+        };
+    }
+
+    static class Cubic {
+        public static final TimeInterpolator easeIn = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return DOMAIN*(input/=DURATION)*input*input + START;
+            }
+        };
+        public static final TimeInterpolator easeOut = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return DOMAIN*((input=input/DURATION-1)*input*input + 1) + START;
+            }
+        };
+        public static final TimeInterpolator easeInOut = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return ((input/=DURATION/2) < 1.0f) ?
+                        (DOMAIN/2*input*input*input + START)
+                            : (DOMAIN/2*((input-=2)*input*input + 2) + START);
+            }
+        };
+    }
+
+    static class Quad {
+        public static final TimeInterpolator easeIn = new TimeInterpolator() {
+            public float getInterpolation (float input) {
+                return DOMAIN*(input/=DURATION)*input + START;
+            }
+        };
+        public static final TimeInterpolator easeOut = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return -DOMAIN *(input/=DURATION)*(input-2) + START;
+            }
+        };
+        public static final TimeInterpolator easeInOut = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return ((input/=DURATION/2) < 1) ?
+                        (DOMAIN/2*input*input + START)
+                            : (-DOMAIN/2 * ((--input)*(input-2) - 1) + START);
+            }
+        };
+    }
+
+    static class Quart {
+        public static final TimeInterpolator easeIn = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return DOMAIN*(input/=DURATION)*input*input*input + START;
+            }
+        };
+        public static final TimeInterpolator easeOut = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return -DOMAIN * ((input=input/DURATION-1)*input*input*input - 1) + START;
+            }
+        };
+        public static final TimeInterpolator easeInOut = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return ((input/=DURATION/2) < 1) ?
+                        (DOMAIN/2*input*input*input*input + START)
+                            : (-DOMAIN/2 * ((input-=2)*input*input*input - 2) + START);
+            }
+        };
+    }
+
+    static class Quint {
+        public static final TimeInterpolator easeIn = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return DOMAIN*(input/=DURATION)*input*input*input*input + START;
+            }
+        };
+        public static final TimeInterpolator easeOut = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return DOMAIN*((input=input/DURATION-1)*input*input*input*input + 1) + START;
+            }
+        };
+        public static final TimeInterpolator easeInOut = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return ((input/=DURATION/2) < 1) ?
+                        (DOMAIN/2*input*input*input*input*input + START)
+                            : (DOMAIN/2*((input-=2)*input*input*input*input + 2) + START);
+            }
+        };
+    }
+
+    static class Sine {
+        public static final TimeInterpolator easeIn = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return -DOMAIN * (float) Math.cos(input/DURATION * (Math.PI/2)) + DOMAIN + START;
+            }
+        };
+        public static final TimeInterpolator easeOut = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return DOMAIN * (float) Math.sin(input/DURATION * (Math.PI/2)) + START;
+            }
+        };
+        public static final TimeInterpolator easeInOut = new TimeInterpolator() {
+            public float getInterpolation(float input) {
+                return -DOMAIN/2 * ((float)Math.cos(Math.PI*input/DURATION) - 1.0f) + START;
+            }
+        };
+    }
+
+}