Refactoring some animation code
Change-Id: If78b071c4fd5ac2c06d6d8ed0abaee7787273f28
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index f74710e..fc17643 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -2713,10 +2713,8 @@
if (animated) {
final ValueAnimator scaleAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(duration);
scaleAnim.setInterpolator(new Workspace.ZoomOutInterpolator());
- scaleAnim.addUpdateListener(new AnimatorUpdateListener() {
- public void onAnimationUpdate(ValueAnimator animation) {
- final float b = (Float) animation.getAnimatedValue();
- final float a = 1f - b;
+ scaleAnim.addUpdateListener(new LauncherAnimatorUpdateListener() {
+ public void onAnimationUpdate(float a, float b) {
((View) toView.getParent()).fastInvalidate();
toView.setFastScaleX(a * scale + b * 1f);
toView.setFastScaleY(a * scale + b * 1f);
@@ -2727,10 +2725,8 @@
toView.setFastAlpha(0f);
ValueAnimator alphaAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(fadeDuration);
alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f));
- alphaAnim.addUpdateListener(new AnimatorUpdateListener() {
- public void onAnimationUpdate(ValueAnimator animation) {
- final float b = (Float) animation.getAnimatedValue();
- final float a = 1f - b;
+ alphaAnim.addUpdateListener(new LauncherAnimatorUpdateListener() {
+ public void onAnimationUpdate(float a, float b) {
// don't need to invalidate because we do so above
toView.setFastAlpha(a * 0f + b * 1f);
}
@@ -2827,7 +2823,6 @@
if (!springLoaded) {
mWorkspace.unshrink(animated);
}
-
if (animated) {
if (mStateAnimation != null) mStateAnimation.cancel();
mStateAnimation = new AnimatorSet();
@@ -2837,10 +2832,8 @@
ValueAnimator scaleAnim = ValueAnimator.ofFloat(0f, 1f).setDuration(duration);
scaleAnim.setInterpolator(new Workspace.ZoomInInterpolator());
- scaleAnim.addUpdateListener(new AnimatorUpdateListener() {
- public void onAnimationUpdate(ValueAnimator animation) {
- final float b = (Float) animation.getAnimatedValue();
- final float a = 1f - b;
+ scaleAnim.addUpdateListener(new LauncherAnimatorUpdateListener() {
+ public void onAnimationUpdate(float a, float b) {
((View)fromView.getParent()).fastInvalidate();
fromView.setFastScaleX(a * oldScaleX + b * scaleFactor);
fromView.setFastScaleY(a * oldScaleY + b * scaleFactor);
@@ -2849,10 +2842,8 @@
final ValueAnimator alphaAnim = ValueAnimator.ofFloat(0f, 1f);
alphaAnim.setDuration(res.getInteger(R.integer.config_allAppsFadeOutTime));
alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f));
- alphaAnim.addUpdateListener(new AnimatorUpdateListener() {
- public void onAnimationUpdate(ValueAnimator animation) {
- final float b = (Float) animation.getAnimatedValue();
- final float a = 1f - b;
+ alphaAnim.addUpdateListener(new LauncherAnimatorUpdateListener() {
+ public void onAnimationUpdate(float a, float b) {
// don't need to invalidate because we do so above
fromView.setFastAlpha(a * 1f + b * 0f);
}
diff --git a/src/com/android/launcher2/LauncherAnimatorUpdateListener.java b/src/com/android/launcher2/LauncherAnimatorUpdateListener.java
new file mode 100644
index 0000000..dd82113
--- /dev/null
+++ b/src/com/android/launcher2/LauncherAnimatorUpdateListener.java
@@ -0,0 +1,30 @@
+/*
+ * 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.launcher2;
+
+import android.animation.ValueAnimator;
+import android.animation.ValueAnimator.AnimatorUpdateListener;
+
+abstract class LauncherAnimatorUpdateListener implements AnimatorUpdateListener {
+ public void onAnimationUpdate(ValueAnimator animation) {
+ final float b = (Float) animation.getAnimatedValue();
+ final float a = 1f - b;
+ onAnimationUpdate(a, b);
+ }
+
+ abstract void onAnimationUpdate(float a, float b);
+}
\ No newline at end of file
diff --git a/src/com/android/launcher2/Workspace.java b/src/com/android/launcher2/Workspace.java
index 6b68c5a..92be5dc 100644
--- a/src/com/android/launcher2/Workspace.java
+++ b/src/com/android/launcher2/Workspace.java
@@ -1597,10 +1597,8 @@
final float oldVerticalWallpaperOffset = getVerticalWallpaperOffset();
final float newHorizontalWallpaperOffset = 0.5f;
final float newVerticalWallpaperOffset = wallpaperOffset;
- animWithInterpolator.addUpdateListener(new AnimatorUpdateListener() {
- public void onAnimationUpdate(ValueAnimator animation) {
- final float b = (Float) animation.getAnimatedValue();
- final float a = 1f - b;
+ animWithInterpolator.addUpdateListener(new LauncherAnimatorUpdateListener() {
+ public void onAnimationUpdate(float a, float b) {
if (b == 0f) {
// an optimization, and required for correct behavior.
return;
@@ -1942,10 +1940,8 @@
final float oldVerticalWallpaperOffset = getVerticalWallpaperOffset();
final float newHorizontalWallpaperOffset = wallpaperOffsetForCurrentScroll();
final float newVerticalWallpaperOffset = 0.5f;
- animWithInterpolator.addUpdateListener(new AnimatorUpdateListener() {
- public void onAnimationUpdate(ValueAnimator animation) {
- final float b = (Float) animation.getAnimatedValue();
- final float a = 1f - b;
+ animWithInterpolator.addUpdateListener(new LauncherAnimatorUpdateListener() {
+ public void onAnimationUpdate(float a, float b) {
if (b == 0f) {
// an optimization, but not required
return;
@@ -1976,11 +1972,9 @@
ValueAnimator rotationAnim =
ValueAnimator.ofFloat(0f, 1f).setDuration(duration);
rotationAnim.setInterpolator(new DecelerateInterpolator(2.0f));
- rotationAnim.addUpdateListener(new AnimatorUpdateListener() {
- public void onAnimationUpdate(ValueAnimator animation) {
+ rotationAnim.addUpdateListener(new LauncherAnimatorUpdateListener() {
+ public void onAnimationUpdate(float a, float b) {
// don't invalidate workspace because we did it above
- final float b = (Float) animation.getAnimatedValue();
- final float a = 1f - b;
if (b == 0f) {
// an optimization, but not required
return;