Merge "Clean up lint warnings in popup menu presenter classes"
diff --git a/core/java/android/widget/ActionMenuPresenter.java b/core/java/android/widget/ActionMenuPresenter.java
index 48d1d2b..ac8d578 100644
--- a/core/java/android/widget/ActionMenuPresenter.java
+++ b/core/java/android/widget/ActionMenuPresenter.java
@@ -59,7 +59,6 @@
  */
 public class ActionMenuPresenter extends BaseMenuPresenter
         implements ActionProvider.SubUiVisibilityListener {
-    private static final String TAG = "ActionMenuPresenter";
     private static final int ITEM_ANIMATION_DURATION = 150;
     private static final boolean ACTIONBAR_ANIMATIONS_ENABLED = false;
 
@@ -87,20 +86,16 @@
     private OpenOverflowRunnable mPostedOpenRunnable;
     private ActionMenuPopupCallback mPopupCallback;
 
-    private final boolean mShowCascadingMenus;
-
     final PopupPresenterCallback mPopupPresenterCallback = new PopupPresenterCallback();
     int mOpenSubMenuId;
 
     // These collections are used to store pre- and post-layout information for menu items,
     // which is used to determine appropriate animations to run for changed items.
-    private SparseArray<MenuItemLayoutInfo> mPreLayoutItems =
-            new SparseArray<MenuItemLayoutInfo>();
-    private SparseArray<MenuItemLayoutInfo> mPostLayoutItems =
-            new SparseArray<MenuItemLayoutInfo>();
+    private SparseArray<MenuItemLayoutInfo> mPreLayoutItems = new SparseArray<>();
+    private SparseArray<MenuItemLayoutInfo> mPostLayoutItems = new SparseArray<>();
 
     // The list of currently running animations on menu items.
-    private List<ItemAnimationInfo> mRunningItemAnimations = new ArrayList<ItemAnimationInfo>();
+    private List<ItemAnimationInfo> mRunningItemAnimations = new ArrayList<>();
     private ViewTreeObserver.OnPreDrawListener mItemAnimationPreDrawListener =
             new ViewTreeObserver.OnPreDrawListener() {
         @Override
@@ -130,9 +125,6 @@
     public ActionMenuPresenter(Context context) {
         super(context, com.android.internal.R.layout.action_menu_layout,
                 com.android.internal.R.layout.action_menu_item_layout);
-
-        mShowCascadingMenus = context.getResources().getBoolean(
-                com.android.internal.R.bool.config_enableCascadingSubmenus);
     }
 
     @Override
@@ -845,8 +837,6 @@
     }
 
     private class OverflowMenuButton extends ImageButton implements ActionMenuView.ActionMenuChildView {
-        private final float[] mTempPts = new float[2];
-
         public OverflowMenuButton(Context context) {
             super(context, null, com.android.internal.R.attr.actionOverflowButtonStyle);
 
diff --git a/core/java/android/widget/ForwardingListener.java b/core/java/android/widget/ForwardingListener.java
index 7ddeff9..b383e1c 100644
--- a/core/java/android/widget/ForwardingListener.java
+++ b/core/java/android/widget/ForwardingListener.java
@@ -53,12 +53,6 @@
     /** Whether this listener is currently forwarding touch events. */
     private boolean mForwarding;
 
-    /**
-     * Whether forwarding was initiated by a long-press. If so, we won't
-     * force the window to dismiss when the touch stream ends.
-     */
-    private boolean mWasLongPress;
-
     /** The id of the first pointer down in the current event stream. */
     private int mActivePointerId;
 
@@ -172,7 +166,6 @@
         switch (actionMasked) {
             case MotionEvent.ACTION_DOWN:
                 mActivePointerId = srcEvent.getPointerId(0);
-                mWasLongPress = false;
 
                 if (mDisallowIntercept == null) {
                     mDisallowIntercept = new DisallowIntercept();
@@ -243,7 +236,6 @@
         e.recycle();
 
         mForwarding = true;
-        mWasLongPress = true;
     }
 
     /**
diff --git a/core/java/android/widget/ListPopupWindow.java b/core/java/android/widget/ListPopupWindow.java
index b95bc28..595adc2 100644
--- a/core/java/android/widget/ListPopupWindow.java
+++ b/core/java/android/widget/ListPopupWindow.java
@@ -16,18 +16,20 @@
 
 package android.widget;
 
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
-import android.animation.ObjectAnimator;
+import com.android.internal.R;
+import com.android.internal.view.menu.ShowableListMenu;
+
+import android.annotation.AttrRes;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.StyleRes;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.database.DataSetObserver;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.os.Handler;
-import android.text.TextUtils;
 import android.util.AttributeSet;
-import android.util.IntProperty;
 import android.util.Log;
 import android.view.Gravity;
 import android.view.KeyEvent;
@@ -38,13 +40,7 @@
 import android.view.ViewGroup;
 import android.view.ViewParent;
 import android.view.WindowManager;
-import android.view.animation.AccelerateDecelerateInterpolator;
-
-import com.android.internal.R;
-import com.android.internal.view.menu.ShowableListMenu;
-import com.android.internal.widget.AutoScrollHelper.AbsListViewAutoScroller;
-
-import java.util.Locale;
+import android.widget.AdapterView.OnItemSelectedListener;
 
 /**
  * A ListPopupWindow anchors itself to a host view and displays a
@@ -109,8 +105,6 @@
 
     private boolean mModal;
 
-    private int mLayoutDirection;
-
     PopupWindow mPopup;
 
     /**
@@ -174,7 +168,7 @@
      * 
      * @param context Context used for contained views.
      */
-    public ListPopupWindow(Context context) {
+    public ListPopupWindow(@NonNull Context context) {
         this(context, null, com.android.internal.R.attr.listPopupWindowStyle, 0);
     }
 
@@ -185,7 +179,7 @@
      * @param context Context used for contained views.
      * @param attrs Attributes from inflating parent views used to style the popup.
      */
-    public ListPopupWindow(Context context, AttributeSet attrs) {
+    public ListPopupWindow(@NonNull Context context, @Nullable AttributeSet attrs) {
         this(context, attrs, com.android.internal.R.attr.listPopupWindowStyle, 0);
     }
 
@@ -197,7 +191,8 @@
      * @param attrs Attributes from inflating parent views used to style the popup.
      * @param defStyleAttr Default style attribute to use for popup content.
      */
-    public ListPopupWindow(Context context, AttributeSet attrs, int defStyleAttr) {
+    public ListPopupWindow(@NonNull Context context, @Nullable AttributeSet attrs,
+            @AttrRes int defStyleAttr) {
         this(context, attrs, defStyleAttr, 0);
     }
 
@@ -210,7 +205,8 @@
      * @param defStyleAttr Style attribute to read for default styling of popup content.
      * @param defStyleRes Style resource ID to use for default styling of popup content.
      */
-    public ListPopupWindow(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+    public ListPopupWindow(@NonNull Context context, @Nullable AttributeSet attrs,
+            @AttrRes int defStyleAttr, @StyleRes int defStyleRes) {
         mContext = context;
         mHandler = new Handler(context.getMainLooper());
 
@@ -227,9 +223,6 @@
 
         mPopup = new PopupWindow(context, attrs, defStyleAttr, defStyleRes);
         mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NEEDED);
-        // Set the default layout direction to match the default locale one
-        final Locale locale = mContext.getResources().getConfiguration().locale;
-        mLayoutDirection = TextUtils.getLayoutDirectionFromLocale(locale);
     }
 
     /**
@@ -238,7 +231,7 @@
      *
      * @param adapter The adapter to use to create this window's content.
      */
-    public void setAdapter(ListAdapter adapter) {
+    public void setAdapter(@Nullable ListAdapter adapter) {
         if (mObserver == null) {
             mObserver = new PopupDataSetObserver();
         } else if (mAdapter != null) {
@@ -371,7 +364,7 @@
     /**
      * @return The background drawable for the popup window.
      */
-    public Drawable getBackground() {
+    public @Nullable Drawable getBackground() {
         return mPopup.getBackground();
     }
 
@@ -380,7 +373,7 @@
      * 
      * @param d A drawable to set as the background.
      */
-    public void setBackgroundDrawable(Drawable d) {
+    public void setBackgroundDrawable(@Nullable Drawable d) {
         mPopup.setBackgroundDrawable(d);
     }
 
@@ -389,7 +382,7 @@
      * 
      * @param animationStyle Animation style to use.
      */
-    public void setAnimationStyle(int animationStyle) {
+    public void setAnimationStyle(@StyleRes int animationStyle) {
         mPopup.setAnimationStyle(animationStyle);
     }
 
@@ -399,7 +392,7 @@
      * 
      * @return Animation style that will be used.
      */
-    public int getAnimationStyle() {
+    public @StyleRes int getAnimationStyle() {
         return mPopup.getAnimationStyle();
     }
 
@@ -408,7 +401,7 @@
      * 
      * @return The popup's anchor view
      */
-    public View getAnchorView() {
+    public @Nullable View getAnchorView() {
         return mDropDownAnchorView;
     }
 
@@ -418,7 +411,7 @@
      * 
      * @param anchor The view to use as an anchor.
      */
-    public void setAnchorView(View anchor) {
+    public void setAnchorView(@Nullable View anchor) {
         mDropDownAnchorView = anchor;
     }
 
@@ -537,7 +530,7 @@
      * 
      * @see ListView#setOnItemClickListener(android.widget.AdapterView.OnItemClickListener)
      */
-    public void setOnItemClickListener(AdapterView.OnItemClickListener clickListener) {
+    public void setOnItemClickListener(@Nullable AdapterView.OnItemClickListener clickListener) {
         mItemClickListener = clickListener;
     }
 
@@ -546,9 +539,9 @@
      * 
      * @param selectedListener Listener to register.
      * 
-     * @see ListView#setOnItemSelectedListener(android.widget.AdapterView.OnItemSelectedListener)
+     * @see ListView#setOnItemSelectedListener(OnItemSelectedListener)
      */
-    public void setOnItemSelectedListener(AdapterView.OnItemSelectedListener selectedListener) {
+    public void setOnItemSelectedListener(@Nullable OnItemSelectedListener selectedListener) {
         mItemSelectedListener = selectedListener;
     }
 
@@ -558,7 +551,7 @@
      * 
      * @param prompt View to use as an informational prompt.
      */
-    public void setPromptView(View prompt) {
+    public void setPromptView(@Nullable View prompt) {
         boolean showing = isShowing();
         if (showing) {
             removePromptView();
@@ -686,7 +679,7 @@
      *
      * @param listener Listener that will be notified when the popup is dismissed.
      */
-    public void setOnDismissListener(PopupWindow.OnDismissListener listener) {
+    public void setOnDismissListener(@Nullable PopupWindow.OnDismissListener listener) {
         mPopup.setOnDismissListener(listener);
     }
 
@@ -795,7 +788,7 @@
     /**
      * @return The currently selected item or null if the popup is not showing.
      */
-    public Object getSelectedItem() {
+    public @Nullable Object getSelectedItem() {
         if (!isShowing()) {
             return null;
         }
@@ -834,7 +827,7 @@
      * 
      * @see ListView#getSelectedView()
      */
-    public View getSelectedView() {
+    public @Nullable View getSelectedView() {
         if (!isShowing()) {
             return null;
         }
@@ -846,11 +839,11 @@
      * Only valid when {@link #isShowing()} == {@code true}.
      */
     @Override
-    public ListView getListView() {
+    public @Nullable ListView getListView() {
         return mDropDownList;
     }
 
-    DropDownListView createDropDownListView(Context context, boolean hijackFocus) {
+    @NonNull DropDownListView createDropDownListView(Context context, boolean hijackFocus) {
         return new DropDownListView(context, hijackFocus);
     }
 
@@ -874,7 +867,7 @@
      * 
      * @see #setModal(boolean)
      */
-    public boolean onKeyDown(int keyCode, KeyEvent event) {
+    public boolean onKeyDown(int keyCode, @NonNull KeyEvent event) {
         // when the drop down is shown, we drive it directly
         if (isShowing()) {
             // the key events are forwarded to the list in the drop down view
@@ -969,7 +962,7 @@
      * 
      * @see #setModal(boolean)
      */
-    public boolean onKeyUp(int keyCode, KeyEvent event) {
+    public boolean onKeyUp(int keyCode, @NonNull KeyEvent event) {
         if (isShowing() && mDropDownList.getSelectedItemPosition() >= 0) {
             boolean consumed = mDropDownList.onKeyUp(keyCode, event);
             if (consumed && KeyEvent.isConfirmKey(keyCode)) {
@@ -993,7 +986,7 @@
      * 
      * @see #setModal(boolean)
      */
-    public boolean onKeyPreIme(int keyCode, KeyEvent event) {
+    public boolean onKeyPreIme(int keyCode, @NonNull KeyEvent event) {
         if (keyCode == KeyEvent.KEYCODE_BACK && isShowing()) {
             // special case for the back key, we do not even try to send it
             // to the drop down list but instead, consume it immediately
@@ -1159,7 +1152,6 @@
 
             mPopup.setContentView(dropDownView);
         } else {
-            dropDownView = (ViewGroup) mPopup.getContentView();
             final View view = mPromptView;
             if (view != null) {
                 LinearLayout.LayoutParams hintParams =
diff --git a/core/java/com/android/internal/view/menu/StandardMenuPopup.java b/core/java/com/android/internal/view/menu/StandardMenuPopup.java
index c2adc42..a67e43a 100644
--- a/core/java/com/android/internal/view/menu/StandardMenuPopup.java
+++ b/core/java/com/android/internal/view/menu/StandardMenuPopup.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.android.internal.view.menu;
 
 import android.content.Context;
@@ -7,7 +23,6 @@
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
-import android.view.ViewGroup;
 import android.view.View.OnAttachStateChangeListener;
 import android.view.View.OnKeyListener;
 import android.view.ViewTreeObserver.OnGlobalLayoutListener;
@@ -30,7 +45,7 @@
         MenuPresenter, OnKeyListener {
 
     private final Context mContext;
-    private final LayoutInflater mInflater;
+
     private final MenuBuilder mMenu;
     private final MenuAdapter mAdapter;
     private final boolean mOverflowOnly;
@@ -79,8 +94,6 @@
     private Callback mPresenterCallback;
     private ViewTreeObserver mTreeObserver;
 
-    private ViewGroup mMeasureParent;
-
     /** Whether the popup has been dismissed. Once dismissed, it cannot be opened again. */
     private boolean mWasDismissed;
 
@@ -99,10 +112,10 @@
     public StandardMenuPopup(Context context, MenuBuilder menu, View anchorView, int popupStyleAttr,
             int popupStyleRes, boolean overflowOnly) {
         mContext = Preconditions.checkNotNull(context);
-        mInflater = LayoutInflater.from(context);
         mMenu = menu;
         mOverflowOnly = overflowOnly;
-        mAdapter = new MenuAdapter(menu, mInflater, mOverflowOnly);
+        final LayoutInflater inflater = LayoutInflater.from(context);
+        mAdapter = new MenuAdapter(menu, inflater, mOverflowOnly);
         mPopupStyleAttr = popupStyleAttr;
         mPopupStyleRes = popupStyleRes;
 
@@ -155,8 +168,7 @@
         mPopup.setDropDownGravity(mDropDownGravity);
 
         if (!mHasContentWidth) {
-            mContentWidth = measureIndividualMenuWidth(
-                    mAdapter, mMeasureParent, mContext, mPopupMaxWidth);
+            mContentWidth = measureIndividualMenuWidth(mAdapter, null, mContext, mPopupMaxWidth);
             mHasContentWidth = true;
         }
 
@@ -177,7 +189,9 @@
                             false);
             TextView titleView = (TextView) titleItemView.findViewById(
                     com.android.internal.R.id.title);
-            titleView.setText(mMenu.getHeaderTitle());
+            if (titleView != null) {
+                titleView.setText(mMenu.getHeaderTitle());
+            }
             titleItemView.setEnabled(false);
             listView.addHeaderView(titleItemView, null, false);