[automerger] Refactor "spring" code into one method. am: b83c71aa24

Change-Id: I94408b509d703f10b0af2c34c363c680e12128d0

1 files changed, 31 insertions, 31 deletions

diff --git a/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java b/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
index 4108cd290..252e3eaee 100644
--- a/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
+++ b/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
@@ -57,6 +57,7 @@ import android.os.CancellationSignal;
 import android.os.Handler;
 import android.os.Looper;
 import android.util.Pair;
+import android.util.Property;
 import android.view.View;
 import android.view.ViewGroup;
 
@@ -804,25 +805,9 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag
                 float shiftRange = allAppsController.getShiftRange();
                 float slideStart = shiftRange / (shiftRange - mStartSlideTransY);
                 float oscillateStart = shiftRange / (shiftRange - mEndSlideTransY);
-                // Ensures a clean hand-off between slide and oscillate.
-                float slideEnd = Utilities.mapToRange(0, 0, 1f, oscillateStart, 1, OSCILLATE);
 
-                allAppsController.setProgress(slideStart);
-                Animator slideIn = ObjectAnimator.ofFloat(allAppsController, ALL_APPS_PROGRESS,
-                        slideStart, slideEnd);
-                slideIn.setDuration(SPRING_SLIDE_DURATION);
-                slideIn.setInterpolator(DEACCEL);
-
-                Animator oscillate = ObjectAnimator.ofFloat(allAppsController, ALL_APPS_PROGRESS,
-                        oscillateStart, 1f);
-                oscillate.setDuration(SPRING_OSCILLATE_DURATION);
-                oscillate.setInterpolator(OSCILLATE);
-
-                Animator settle = ObjectAnimator.ofFloat(allAppsController, ALL_APPS_PROGRESS, 1f);
-                settle.setDuration(SPRING_SETTLE_DURATION);
-                settle.setInterpolator(LINEAR);
-
-                workspaceAnimator.playSequentially(slideIn, oscillate, settle);
+                buildSpringAnimation(workspaceAnimator, allAppsController, ALL_APPS_PROGRESS,
+                        0 /* startDelay */, slideStart, oscillateStart, 1f /* finalPosition */);
             }
 
             mDragLayer.getScrim().hideSysUiScrim(true);
@@ -852,35 +837,50 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag
         v.setAlpha(0);
         ObjectAnimator alpha = ObjectAnimator.ofFloat(v, View.ALPHA, 1f);
         alpha.setInterpolator(LINEAR);
-        alpha.setDuration(SPRING_SLIDE_DURATION);
+        alpha.setDuration(SPRING_SLIDE_DURATION + SPRING_OSCILLATE_DURATION);
         alpha.setStartDelay(startDelay);
         outAnimator.play(alpha);
 
+        buildSpringAnimation(outAnimator, v, TRANSLATION_Y, startDelay, mStartSlideTransY,
+                mEndSlideTransY, 0f /* finalPosition */);
+
+        outAnimator.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                v.setAlpha(1f);
+                v.setTranslationY(0);
+            }
+        });
+    }
+
+    /**
+     * Spring animations consists of three sequential animators: a slide, an oscillation, and
+     * a settle.
+     */
+    private <T> void buildSpringAnimation(AnimatorSet outAnimator, T objectToSpring,
+            Property<T, Float> property, long startDelay, float slideStart, float oscillateStart,
+            float finalPosition) {
         // Ensures a clean hand-off between slide and oscillate.
-        float slideEnd = Utilities.mapToRange(0, 0, 1f, mEndSlideTransY, 0, OSCILLATE);
-        v.setTranslationY(mStartSlideTransY);
-        ObjectAnimator slideIn = ObjectAnimator.ofFloat(v, TRANSLATION_Y, mStartSlideTransY,
+        float slideEnd = Utilities.mapToRange(0, 0, 1f, oscillateStart, finalPosition, OSCILLATE);
+
+        property.set(objectToSpring, slideStart);
+
+        ObjectAnimator slideIn = ObjectAnimator.ofFloat(objectToSpring, property, slideStart,
                 slideEnd);
         slideIn.setInterpolator(DEACCEL);
         slideIn.setStartDelay(startDelay);
         slideIn.setDuration(SPRING_SLIDE_DURATION);
 
-        ObjectAnimator oscillate = ObjectAnimator.ofFloat(v, TRANSLATION_Y, mEndSlideTransY, 0);
+        ObjectAnimator oscillate = ObjectAnimator.ofFloat(objectToSpring, property, oscillateStart,
+                finalPosition);
         oscillate.setInterpolator(OSCILLATE);
         oscillate.setDuration(SPRING_OSCILLATE_DURATION);
 
-        ObjectAnimator settle = ObjectAnimator.ofFloat(v, TRANSLATION_Y, 0);
+        ObjectAnimator settle = ObjectAnimator.ofFloat(objectToSpring, property, finalPosition);
         settle.setInterpolator(LINEAR);
         settle.setDuration(SPRING_SETTLE_DURATION);
 
         outAnimator.playSequentially(slideIn, oscillate, settle);
-        outAnimator.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                v.setAlpha(1f);
-                v.setTranslationY(0);
-            }
-        });
     }
 
     private void resetContentView() {