Fixing two critical bugs in all apps transition controller

bug#1: if long press from page indicator region, you can pull up all apps
even though the workspace is in overview state.

bug#2: all apps should not intercept touch not only in overview mode
but also in any modal state.

Change-Id: I91c0a181f037f6c2465a983825da3a2da7e2920f
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 81c95e7..1caec33 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -3235,7 +3235,6 @@
                     mWorkspace.startReordering(v);
                 } else {
                     showOverviewMode(true);
-                    mHotseat.requestDisallowInterceptTouchEvent(true);
                 }
             } else {
                 final boolean isAllAppsButton =
@@ -3386,6 +3385,9 @@
         mStateTransitionAnimation.startAnimationToWorkspace(mState, mWorkspace.getState(),
                 Workspace.State.OVERVIEW, animated, postAnimRunnable);
         mState = State.WORKSPACE;
+        // If animated from long press, then don't allow any of the controller in the drag
+        // layer to intercept any remaining touch.
+        mWorkspace.requestDisallowInterceptTouchEvent(animated);
     }
 
     /**
diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index 5888230..41d6393 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -108,7 +108,7 @@
     public boolean onInterceptTouchEvent(MotionEvent ev) {
         if (ev.getAction() == MotionEvent.ACTION_DOWN) {
             mNoIntercept = false;
-            if (mLauncher.getWorkspace().isInOverviewMode() || mLauncher.isWidgetsViewVisible()) {
+            if (!mLauncher.isAllAppsVisible() && mLauncher.getWorkspace().workspaceInModalState()) {
                 mNoIntercept = true;
             } else if (mLauncher.isAllAppsVisible() &&
                     !mAppsView.shouldContainerScroll(ev)) {
@@ -159,9 +159,8 @@
                     return true;
                 }
             } else {
-                if ((mLauncher.getDragLayer().isEventOverHotseat(ev)
-                        || mLauncher.getDragLayer().isEventOverPageIndicator(ev))
-                        && !grid.isVerticalBarLayout()) {
+                if (mLauncher.getDragLayer().isEventOverHotseat(ev) ||
+                        mLauncher.getDragLayer().isEventOverPageIndicator(ev)) {
                     return true;
                 }
             }