Merge "Speed up All Apps -> Workspace transition"

5 files changed, 88 insertions, 76 deletions

diff --git a/src/com/android/launcher2/AppsCustomizeTabHost.java b/src/com/android/launcher2/AppsCustomizeTabHost.java
index 023946b26..caababa8e 100644
--- a/src/com/android/launcher2/AppsCustomizeTabHost.java
+++ b/src/com/android/launcher2/AppsCustomizeTabHost.java
@@ -347,9 +347,8 @@ public class AppsCustomizeTabHost extends TabHost implements LauncherTransitiona
 
     /* LauncherTransitionable overrides */
     @Override
-    public void onLauncherTransitionStart(Launcher l, Animator animation, boolean toWorkspace) {
+    public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) {
         mInTransition = true;
-        boolean animated = (animation != null);
 
         mContent.setVisibility(VISIBLE);
 
@@ -372,9 +371,9 @@ public class AppsCustomizeTabHost extends TabHost implements LauncherTransitiona
     }
 
     @Override
-    public void onLauncherTransitionEnd(Launcher l, Animator animation, boolean toWorkspace) {
+    public void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace) {
         mInTransition = false;
-        if (animation != null) {
+        if (animated) {
             setLayerType(LAYER_TYPE_NONE, null);
         }
 
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index ab2578066..2b9130262 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -2158,6 +2158,18 @@ public final class Launcher extends Activity
         }
     }
 
+    private void dispatchOnLauncherTransitionStart(View v, boolean animated, boolean toWorkspace) {
+        if (v instanceof LauncherTransitionable) {
+            ((LauncherTransitionable) v).onLauncherTransitionStart(this, animated, toWorkspace);
+        }
+    }
+
+    private void dispatchOnLauncherTransitionEnd(View v, boolean animated, boolean toWorkspace) {
+        if (v instanceof LauncherTransitionable) {
+            ((LauncherTransitionable) v).onLauncherTransitionEnd(this, animated, toWorkspace);
+        }
+    }
+
     /**
      * Things to test when changing the following seven functions.
      *   - Home from workspace
@@ -2203,7 +2215,7 @@ public final class Launcher extends Activity
      * Assumes that the view to show is anchored at either the very top or very bottom
      * of the screen.
      */
-    private void showAppsCustomizeHelper(boolean animated, final boolean springLoaded) {
+    private void showAppsCustomizeHelper(final boolean animated, final boolean springLoaded) {
         if (mStateAnimation != null) {
             mStateAnimation.cancel();
             mStateAnimation = null;
@@ -2214,6 +2226,7 @@ public final class Launcher extends Activity
         final int duration = res.getInteger(R.integer.config_appsCustomizeZoomInTime);
         final int fadeDuration = res.getInteger(R.integer.config_appsCustomizeFadeInTime);
         final float scale = (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor);
+        final View fromView = mWorkspace;
         final View toView = mAppsCustomizeTabHost;
         final int startDelay =
                 res.getInteger(R.integer.config_workspaceAppsCustomizeAnimationStagger);
@@ -2260,10 +2273,8 @@ public final class Launcher extends Activity
                 }
                 @Override
                 public void onAnimationEnd(Animator animation) {
-                    if (toView instanceof LauncherTransitionable) {
-                        ((LauncherTransitionable) toView).onLauncherTransitionEnd(instance,
-                                scaleAnim, false);
-                    }
+                    dispatchOnLauncherTransitionEnd(fromView, animated, false);
+                    dispatchOnLauncherTransitionEnd(toView, animated, false);
 
                     if (!springLoaded && !LauncherApplication.isScreenLarge()) {
                         // Hide the workspace scrollbar
@@ -2286,14 +2297,14 @@ public final class Launcher extends Activity
             }
 
             boolean delayAnim = false;
-            LauncherTransitionable lt = (LauncherTransitionable) toView;
             final ViewTreeObserver observer;
 
-            lt.onLauncherTransitionStart(instance, mStateAnimation, false);
+            dispatchOnLauncherTransitionStart(fromView, animated, false);
+            dispatchOnLauncherTransitionStart(toView, animated, false);
 
             // If any of the objects being animated haven't been measured/laid out
             // yet, delay the animation until we get a layout pass
-            if ((lt.getContent().getMeasuredWidth() == 0) ||
+            if ((((LauncherTransitionable) toView).getContent().getMeasuredWidth() == 0) ||
                     (mWorkspace.getMeasuredWidth() == 0) ||
                     (toView.getMeasuredWidth() == 0)) {
                 observer = mWorkspace.getViewTreeObserver();
@@ -2332,16 +2343,16 @@ public final class Launcher extends Activity
             toView.setScaleY(1.0f);
             toView.setVisibility(View.VISIBLE);
             toView.bringToFront();
-            if (toView instanceof LauncherTransitionable) {
-                ((LauncherTransitionable) toView).onLauncherTransitionStart(instance, null, false);
-                ((LauncherTransitionable) toView).onLauncherTransitionEnd(instance, null, false);
-
-                if (!springLoaded && !LauncherApplication.isScreenLarge()) {
-                    // Hide the workspace scrollbar
-                    mWorkspace.hideScrollingIndicator(true);
-                    hideDockDivider();
-                }
+
+            if (!springLoaded && !LauncherApplication.isScreenLarge()) {
+                // Hide the workspace scrollbar
+                mWorkspace.hideScrollingIndicator(true);
+                hideDockDivider();
             }
+            dispatchOnLauncherTransitionStart(fromView, animated, false);
+            dispatchOnLauncherTransitionEnd(fromView, animated, false);
+            dispatchOnLauncherTransitionStart(toView, animated, false);
+            dispatchOnLauncherTransitionEnd(toView, animated, false);
             updateWallpaperVisibility(false);
         }
     }
@@ -2352,13 +2363,12 @@ public final class Launcher extends Activity
      * @param animated If true, the transition will be animated.
      */
     private void hideAppsCustomizeHelper(
-            State toState, boolean animated, final boolean springLoaded) {
+            State toState, final boolean animated, final boolean springLoaded) {
         if (mStateAnimation != null) {
             mStateAnimation.cancel();
             mStateAnimation = null;
         }
         Resources res = getResources();
-        final Launcher instance = this;
 
         final int duration = res.getInteger(R.integer.config_appsCustomizeZoomOutTime);
         final int fadeOutDuration =
@@ -2366,6 +2376,7 @@ public final class Launcher extends Activity
         final float scaleFactor = (float)
                 res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor);
         final View fromView = mAppsCustomizeTabHost;
+        final View toView = mWorkspace;
         Animator workspaceAnim = null;
 
         if (toState == State.WORKSPACE) {
@@ -2396,24 +2407,22 @@ public final class Launcher extends Activity
                 .setDuration(fadeOutDuration);
             alphaAnim.setInterpolator(new AccelerateDecelerateInterpolator());
 
-            if (fromView instanceof LauncherTransitionable) {
-                ((LauncherTransitionable) fromView).onLauncherTransitionStart(instance, alphaAnim,
-                        true);
-            }
-            alphaAnim.addListener(new AnimatorListenerAdapter() {
+            mStateAnimation = new AnimatorSet();
+
+            dispatchOnLauncherTransitionStart(fromView, animated, true);
+            dispatchOnLauncherTransitionStart(toView, animated, true);
+
+            mStateAnimation.addListener(new AnimatorListenerAdapter() {
                 @Override
                 public void onAnimationEnd(Animator animation) {
                     updateWallpaperVisibility(true);
                     fromView.setVisibility(View.GONE);
-                    if (fromView instanceof LauncherTransitionable) {
-                        ((LauncherTransitionable) fromView).onLauncherTransitionEnd(instance,
-                                alphaAnim, true);
-                    }
+                    dispatchOnLauncherTransitionEnd(fromView, animated, true);
+                    dispatchOnLauncherTransitionEnd(toView, animated, true);
                     mWorkspace.hideScrollingIndicator(false);
                 }
             });
 
-            mStateAnimation = new AnimatorSet();
             mStateAnimation.playTogether(scaleAnim, alphaAnim);
             if (workspaceAnim != null) {
                 mStateAnimation.play(workspaceAnim);
@@ -2421,10 +2430,10 @@ public final class Launcher extends Activity
             mStateAnimation.start();
         } else {
             fromView.setVisibility(View.GONE);
-            if (fromView instanceof LauncherTransitionable) {
-                ((LauncherTransitionable) fromView).onLauncherTransitionStart(instance, null, true);
-                ((LauncherTransitionable) fromView).onLauncherTransitionEnd(instance, null, true);
-            }
+            dispatchOnLauncherTransitionStart(fromView, animated, false);
+            dispatchOnLauncherTransitionEnd(fromView, animated, false);
+            dispatchOnLauncherTransitionStart(toView, animated, false);
+            dispatchOnLauncherTransitionEnd(toView, animated, false);
             mWorkspace.hideScrollingIndicator(false);
         }
     }
@@ -3366,6 +3375,6 @@ public final class Launcher extends Activity
 
 interface LauncherTransitionable {
     View getContent();
-    void onLauncherTransitionStart(Launcher l, Animator animation, boolean toWorkspace);
-    void onLauncherTransitionEnd(Launcher l, Animator animation, boolean toWorkspace);
+    void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace);
+    void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace);
 }
diff --git a/src/com/android/launcher2/PagedView.java b/src/com/android/launcher2/PagedView.java
index acfce1f6b..903169f6f 100644
--- a/src/com/android/launcher2/PagedView.java
+++ b/src/com/android/launcher2/PagedView.java
@@ -1682,6 +1682,7 @@ public abstract class PagedView extends ViewGroup {
         if (mHasScrollIndicator && mScrollIndicator == null) {
             ViewGroup parent = (ViewGroup) getParent();
             mScrollIndicator = (View) (parent.findViewById(R.id.paged_view_indicator));
+            mScrollIndicator.setLayerType(View.LAYER_TYPE_HARDWARE, null);
             mHasScrollIndicator = mScrollIndicator != null;
             if (mHasScrollIndicator) {
                 mScrollIndicator.setVisibility(View.VISIBLE);
@@ -1807,7 +1808,6 @@ public abstract class PagedView extends ViewGroup {
             indicatorPos += indicatorCenterOffset;
         }
         mScrollIndicator.setTranslationX(indicatorPos);
-        mScrollIndicator.invalidate();
     }
 
     public void showScrollIndicatorTrack() {
diff --git a/src/com/android/launcher2/SearchDropTargetBar.java b/src/com/android/launcher2/SearchDropTargetBar.java
index 3a7f24b09..03ca38fb4 100644
--- a/src/com/android/launcher2/SearchDropTargetBar.java
+++ b/src/com/android/launcher2/SearchDropTargetBar.java
@@ -129,14 +129,26 @@ public class SearchDropTargetBar extends FrameLayout implements DragController.D
             @Override
             public void onAnimationStart(Animator animation) {
                 mQSBSearchBar.setVisibility(View.VISIBLE);
+                mQSBSearchBar.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+            }
+
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                mQSBSearchBar.setLayerType(View.LAYER_TYPE_NONE, null);
             }
         });
         mQSBSearchBarFadeOutAnim = ObjectAnimator.ofFloat(mQSBSearchBar, "alpha", 0f);
         mQSBSearchBarFadeOutAnim.setDuration(sTransitionOutDuration);
         mQSBSearchBarFadeOutAnim.addListener(new AnimatorListenerAdapter() {
             @Override
+            public void onAnimationStart(Animator animation) {
+                mQSBSearchBar.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+            }
+
+            @Override
             public void onAnimationEnd(Animator animation) {
                 mQSBSearchBar.setVisibility(View.INVISIBLE);
+                mQSBSearchBar.setLayerType(View.LAYER_TYPE_NONE, null);
             }
         });
     }
diff --git a/src/com/android/launcher2/Workspace.java b/src/com/android/launcher2/Workspace.java
index 6fb664a05..4ecc1a528 100644
--- a/src/com/android/launcher2/Workspace.java
+++ b/src/com/android/launcher2/Workspace.java
@@ -78,7 +78,7 @@ import java.util.List;
  */
 public class Workspace extends SmoothPagedView
         implements DropTarget, DragSource, DragScroller, View.OnTouchListener,
-        DragController.DragListener {
+        DragController.DragListener, LauncherTransitionable {
     @SuppressWarnings({"UnusedDeclaration"})
     private static final String TAG = "Launcher.Workspace";
 
@@ -160,8 +160,6 @@ public class Workspace extends SmoothPagedView
     private State mState = State.NORMAL;
     private boolean mIsSwitchingState = false;
 
-    private AnimatorListener mChangeStateAnimationListener;
-
     boolean mAnimatingViewIntoPlace = false;
     boolean mIsDragOccuring = false;
     boolean mChildrenLayersEnabled = true;
@@ -392,20 +390,6 @@ public class Workspace extends SmoothPagedView
             // In this case, we will skip drawing background protection
         }
 
-        mChangeStateAnimationListener = new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationStart(Animator animation) {
-                mIsSwitchingState = true;
-            }
-
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                mIsSwitchingState = false;
-                mWallpaperOffset.setOverrideHorizontalCatchupConstant(false);
-                updateChildrenLayersEnabled();
-            }
-        };
-
         mWallpaperOffset = new WallpaperOffsetInterpolator();
         Display display = mLauncher.getWindowManager().getDefaultDisplay();
         mDisplayWidth = display.getWidth();
@@ -1635,26 +1619,10 @@ public class Workspace extends SmoothPagedView
                 cl.setBackgroundAlphaMultiplier(finalAlphaMultiplierValue);
                 cl.setAlpha(finalAlpha);
                 cl.setRotationY(rotation);
-                mChangeStateAnimationListener.onAnimationEnd(null);
             }
         }
 
         if (animated) {
-            anim.addListener(new AnimatorListenerAdapter() {
-                @Override
-                public void onAnimationEnd(android.animation.Animator animation) {
-                    // The above code to determine initialAlpha and finalAlpha will ensure that only
-                    // the current page is visible during (and subsequently, after) the transition
-                    // animation.  If fade adjacent pages is disabled, then re-enable the page
-                    // visibility after the transition animation.
-                    if (!mFadeInAdjacentScreens && stateIsNormal && oldStateIsSmall) {
-                        for (int i = 0; i < getChildCount(); i++) {
-                            final CellLayout cl = (CellLayout) getChildAt(i);
-                            cl.setAlpha(1f);
-                        }
-                    }
-                }
-            });
             for (int index = 0; index < getChildCount(); index++) {
                 final int i = index;
                 final CellLayout cl = (CellLayout) getChildAt(i);
@@ -1710,9 +1678,6 @@ public class Workspace extends SmoothPagedView
                 }
             }
             anim.setStartDelay(delay);
-            // If we call this when we're not animated, onAnimationEnd is never called on
-            // the listener; make sure we only use the listener when we're actually animating
-            anim.addListener(mChangeStateAnimationListener);
         }
 
         if (stateIsSpringLoaded) {
@@ -1728,6 +1693,33 @@ public class Workspace extends SmoothPagedView
         return anim;
     }
 
+    @Override
+    public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) {
+        mIsSwitchingState = true;
+    }
+
+    @Override
+    public void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace) {
+        mIsSwitchingState = false;
+        mWallpaperOffset.setOverrideHorizontalCatchupConstant(false);
+        updateChildrenLayersEnabled();
+        // The code in getChangeStateAnimation to determine initialAlpha and finalAlpha will ensure
+        // ensure that only the current page is visible during (and subsequently, after) the
+        // transition animation.  If fade adjacent pages is disabled, then re-enable the page
+        // visibility after the transition animation.
+        if (!mFadeInAdjacentScreens) {
+            for (int i = 0; i < getChildCount(); i++) {
+                final CellLayout cl = (CellLayout) getChildAt(i);
+                cl.setAlpha(1f);
+            }
+        }
+    }
+
+    @Override
+    public View getContent() {
+        return this;
+    }
+
     /**
      * Draw the View v into the given Canvas.
      *