1 files changed, 108 insertions, 0 deletions
diff --git a/src/com/android/phone/common/animation/AnimUtils.java b/src/com/android/phone/common/animation/AnimUtils.java
new file mode 100644
index 0000000..35ac107
--- /dev/null
+++ b/src/com/android/phone/common/animation/AnimUtils.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2014 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.phone.common.animation;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.view.View;
+import android.view.ViewPropertyAnimator;
+import android.view.animation.Interpolator;
+import android.view.animation.PathInterpolator;
+
+public class AnimUtils {
+    public static final int DEFAULT_DURATION = -1;
+    public static final Interpolator EASE_IN = new PathInterpolator(0.0f, 0.0f, 0.2f, 1.0f);
+    public static final Interpolator EASE_OUT = new PathInterpolator(0.4f, 0.0f, 1.0f, 1.0f);
+    public static final Interpolator EASE_OUT_EASE_IN = new PathInterpolator(0.4f, 0, 0.2f, 1);
+
+    public static class AnimationCallback {
+        public void onAnimationEnd() {}
+        public void onAnimationCancel() {}
+    }
+
+    public static void crossFadeViews(View fadeIn, View fadeOut, int duration) {
+        fadeIn(fadeIn, duration);
+        fadeOut(fadeOut, duration);
+    }
+
+    public static void fadeOut(View fadeOut, int duration) {
+        fadeOut(fadeOut, duration, null);
+    }
+
+    public static void fadeOut(final View fadeOut, int duration, final AnimationCallback callback) {
+        fadeOut.setAlpha(1);
+        final ViewPropertyAnimator animator = fadeOut.animate();
+        animator.cancel();
+        animator.alpha(0).withLayer().setListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                fadeOut.setVisibility(View.GONE);
+                if (callback != null) {
+                    callback.onAnimationEnd();
+                }
+            }
+
+            @Override
+            public void onAnimationCancel(Animator animation) {
+                fadeOut.setVisibility(View.GONE);
+                fadeOut.setAlpha(0);
+                if (callback != null) {
+                    callback.onAnimationCancel();
+                }
+            }
+        });
+        if (duration != DEFAULT_DURATION) {
+            animator.setDuration(duration);
+        }
+        animator.start();
+    }
+
+    public static void fadeIn(View fadeIn, int duration) {
+        fadeIn(fadeIn, duration, null);
+    }
+
+    public static void fadeIn(final View fadeIn, int duration, final AnimationCallback callback) {
+        fadeIn.setAlpha(0);
+        final ViewPropertyAnimator animator = fadeIn.animate();
+        animator.cancel();
+        animator.alpha(1).withLayer().setListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationStart(Animator animation) {
+                fadeIn.setVisibility(View.VISIBLE);
+            }
+
+            @Override
+            public void onAnimationCancel(Animator animation) {
+                fadeIn.setAlpha(1);
+                if (callback != null) {
+                    callback.onAnimationCancel();
+                }
+            }
+
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                if (callback != null) {
+                    callback.onAnimationEnd();
+                }
+            }
+        });
+        if (duration != DEFAULT_DURATION) {
+            animator.setDuration(duration);
+        }
+        animator.start();
+    }
+}