Moving the QSB out of the cell layout to the Drag layer

This allows better edge matching for the QSB. The QSB position
is kept synchronized with the page scroll and all-apps transition.
But its not visible in spring loaded and overview mode

Change-Id: I4e6723607ea966ee672273a9ca67c792fd6b5661

1 files changed, 28 insertions, 0 deletions

diff --git a/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java b/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
index a73f3ec37..c2631b07f 100644
--- a/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
+++ b/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
@@ -276,6 +276,8 @@ public class WorkspaceStateTransitionAnimation {
         float finalHotseatAlpha = (states.stateIsNormal || states.stateIsSpringLoaded ||
                 (FeatureFlags.LAUNCHER3_ALL_APPS_PULL_UP && states.stateIsNormalHidden)) ? 1f : 0f;
         float finalOverviewPanelAlpha = states.stateIsOverview ? 1f : 0f;
+        float finalQsbAlpha = (states.stateIsNormal ||
+                (FeatureFlags.LAUNCHER3_ALL_APPS_PULL_UP && states.stateIsNormalHidden)) ? 1f : 0f;
 
         float finalWorkspaceTranslationY = 0;
         if (states.stateIsOverview || states.stateIsOverviewHidden) {
@@ -355,9 +357,28 @@ public class WorkspaceStateTransitionAnimation {
                 cl.setBackgroundAlpha(finalBackgroundAlpha);
                 cl.setShortcutAndWidgetAlpha(finalAlpha);
             }
+
+            if (Workspace.isQsbContainerPage(i)) {
+                if (animated) {
+                    Animator anim = mWorkspace.mQsbAlphaController
+                            .animateAlphaAtIndex(finalAlpha, Workspace.QSB_ALPHA_INDEX_PAGE_SCROLL);
+                    anim.setDuration(duration);
+                    anim.setInterpolator(mZoomInInterpolator);
+                    mStateAnimator.play(anim);
+                } else {
+                    mWorkspace.mQsbAlphaController.setAlphaAtIndex(
+                            finalAlpha, Workspace.QSB_ALPHA_INDEX_PAGE_SCROLL);
+                }
+            }
         }
 
         final ViewGroup overviewPanel = mLauncher.getOverviewPanel();
+
+        final View qsbContainer = mLauncher.getQsbContainer();
+
+        Animator qsbAlphaAnimation = mWorkspace.mQsbAlphaController
+                .animateAlphaAtIndex(finalQsbAlpha, Workspace.QSB_ALPHA_INDEX_STATE_CHANGE);
+
         if (animated) {
             LauncherViewPropertyAnimator scale = new LauncherViewPropertyAnimator(mWorkspace);
             scale.scaleX(mNewScale)
@@ -376,10 +397,13 @@ public class WorkspaceStateTransitionAnimation {
             // For animation optimations, we may need to provide the Launcher transition
             // with a set of views on which to force build layers in certain scenarios.
             overviewPanel.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+            qsbContainer.setLayerType(View.LAYER_TYPE_HARDWARE, null);
             if (layerViews != null) {
                 // If layerViews is not null, we add these views, and indicate that
                 // the caller can manage layer state.
                 layerViews.put(overviewPanel, LauncherStateTransitionAnimation.BUILD_AND_SET_LAYER);
+                layerViews.put(qsbContainer, LauncherStateTransitionAnimation.BUILD_AND_SET_LAYER);
+
                 layerViews.put(mLauncher.getHotseat(),
                         LauncherStateTransitionAnimation.BUILD_AND_SET_LAYER);
                 layerViews.put(mWorkspace.getPageIndicator(),
@@ -399,9 +423,11 @@ public class WorkspaceStateTransitionAnimation {
 
             overviewPanelAlpha.setDuration(duration);
             hotseatAlpha.setDuration(duration);
+            qsbAlphaAnimation.setDuration(duration);
 
             mStateAnimator.play(overviewPanelAlpha);
             mStateAnimator.play(hotseatAlpha);
+            mStateAnimator.play(qsbAlphaAnimation);
             mStateAnimator.addListener(new AnimatorListenerAdapter() {
                 boolean canceled = false;
                 @Override
@@ -422,6 +448,8 @@ public class WorkspaceStateTransitionAnimation {
         } else {
             overviewPanel.setAlpha(finalOverviewPanelAlpha);
             AlphaUpdateListener.updateVisibility(overviewPanel, accessibilityEnabled);
+
+            qsbAlphaAnimation.end();
             mWorkspace.createHotseatAlphaAnimator(finalHotseatAlpha).end();
             mWorkspace.updateCustomContentVisibility();
             mWorkspace.setScaleX(mNewScale);