DO NOT MERGE - Allow the workspace to swipe while it's loading.

You still can't modify the contents of the workspace while it's loading,
but this makes it appear a little bit more responsive.  Launching apps
while the launcher is loading has always been possible.

Bug: 2748595
Change-Id: Icf252beaee5b801b30216202ce6032c4d565cde3

src/com/android/launcher2/AllApps3D.java

@@ -726,7 +726,12 @@ public class AllApps3D extends RSSurfaceView
     }
 
     public boolean onLongClick(View v) {
-        if (mLocks != 0 || !isVisible()) {
+        // We don't accept long click events in these cases
+        // - If the workspace isn't ready to accept a drop
+        // - If we're not done loading (because we might be confused about which item
+        //   to pick up
+        // - If we're not visible
+        if (!isVisible() || mLauncher.isWorkspaceLocked() || mLocks != 0) {
             return true;
         }
         if (sRollo.checkClickOK() && mCurrentIconIndex == mDownIconIndex

src/com/android/launcher2/Workspace.java

@@ -558,9 +558,7 @@ public class Workspace extends ViewGroup implements DropTarget, DragSource, Drag
     public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) {
         int screen = indexOfChild(child);
         if (screen != mCurrentScreen || !mScroller.isFinished()) {
-            if (!mLauncher.isWorkspaceLocked()) {
+            snapToScreen(screen);
-                snapToScreen(screen);
-            }
             return true;
         }
         return false;
@@ -625,7 +623,7 @@ public class Workspace extends ViewGroup implements DropTarget, DragSource, Drag
     @Override
     public boolean dispatchTouchEvent(MotionEvent ev) {
         if (ev.getAction() == MotionEvent.ACTION_DOWN) {
-            if (mLauncher.isWorkspaceLocked() || mLauncher.isAllAppsVisible()) {
+            if (mLauncher.isAllAppsVisible()) {
                 return false;
             }
         }
@@ -634,9 +632,8 @@ public class Workspace extends ViewGroup implements DropTarget, DragSource, Drag
 
     @Override
     public boolean onInterceptTouchEvent(MotionEvent ev) {
-        final boolean workspaceLocked = mLauncher.isWorkspaceLocked();
         final boolean allAppsVisible = mLauncher.isAllAppsVisible();
-        if (workspaceLocked || allAppsVisible) {
+        if (allAppsVisible) {
             return false; // We don't want the events.  Let them fall through to the all apps view.
         }
 
@@ -840,9 +837,6 @@ public class Workspace extends ViewGroup implements DropTarget, DragSource, Drag
     @Override
     public boolean onTouchEvent(MotionEvent ev) {
         
-        if (mLauncher.isWorkspaceLocked()) {
-            return false; // We don't want the events.  Let them fall through to the all apps view.
-        }
         if (mLauncher.isAllAppsVisible()) {
             // Cancel any scrolling that is in progress.
             if (!mScroller.isFinished()) {