Fix centering more suggestions panel on tablet (DO NOT MERGE)

This is a cherry-pick of I8dac3251 from Master.

Bug: 6129726
Change-Id: If9bce3a1a66a2d9015d19d35dd7915ff23e75926
diff --git a/java/res/layout/mini_keyboard.xml b/java/res/layout/mini_keyboard.xml
index 6964ec5..f7cd75c 100644
--- a/java/res/layout/mini_keyboard.xml
+++ b/java/res/layout/mini_keyboard.xml
@@ -27,7 +27,6 @@
     <com.android.inputmethod.keyboard.MiniKeyboardView
             xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
             android:id="@+id/mini_keyboard_view"
-            android:layout_alignParentBottom="true"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             />
diff --git a/java/res/layout/more_suggestions.xml b/java/res/layout/more_suggestions.xml
index 6aa82e1..c49f958 100644
--- a/java/res/layout/more_suggestions.xml
+++ b/java/res/layout/more_suggestions.xml
@@ -27,7 +27,6 @@
     <com.android.inputmethod.latin.MoreSuggestionsView
             xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
             android:id="@+id/more_suggestions_view"
-            android:layout_alignParentBottom="true"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             latin:keyLabelSize="@dimen/suggestion_text_size"
diff --git a/java/src/com/android/inputmethod/keyboard/MiniKeyboardView.java b/java/src/com/android/inputmethod/keyboard/MiniKeyboardView.java
index f2c5b7b..471fb4e 100644
--- a/java/src/com/android/inputmethod/keyboard/MiniKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/MiniKeyboardView.java
@@ -143,34 +143,23 @@
         mController = controller;
         mListener = listener;
         final View container = (View)getParent();
-        final MiniKeyboard miniKeyboard = (MiniKeyboard)getKeyboard();
-
-        parentView.getLocationInWindow(mCoordinates);
-        final int miniKeyboardLeft = pointX - miniKeyboard.getDefaultCoordX()
+        final MiniKeyboard pane = (MiniKeyboard)getKeyboard();
+        final int defaultCoordX = pane.getDefaultCoordX();
+        // The coordinates of panel's left-top corner in parentView's coordinate system.
+        final int x = pointX - defaultCoordX - container.getPaddingLeft()
                 + parentView.getPaddingLeft();
-        final int x = wrapUp(Math.max(0, Math.min(miniKeyboardLeft,
-                parentView.getWidth() - miniKeyboard.mOccupiedWidth))
-                - container.getPaddingLeft() + mCoordinates[0],
-                container.getMeasuredWidth(), 0, parentView.getWidth());
-        final int y = pointY
-                - (container.getMeasuredHeight() - container.getPaddingBottom())
-                + parentView.getPaddingTop() + mCoordinates[1];
+        final int y = pointY - container.getMeasuredHeight() + container.getPaddingBottom()
+                + parentView.getPaddingTop();
 
         window.setContentView(container);
         window.setWidth(container.getMeasuredWidth());
         window.setHeight(container.getMeasuredHeight());
-        window.showAtLocation(parentView, Gravity.NO_GRAVITY, x, y);
+        parentView.getLocationInWindow(mCoordinates);
+        window.showAtLocation(parentView, Gravity.NO_GRAVITY,
+                x + mCoordinates[0], y + mCoordinates[1]);
 
-        mOriginX = x + container.getPaddingLeft() - mCoordinates[0];
-        mOriginY = y + container.getPaddingTop() - mCoordinates[1];
-    }
-
-    private static int wrapUp(int x, int width, int left, int right) {
-        if (x < left)
-            return left;
-        if (x + width > right)
-            return right - width;
-        return x;
+        mOriginX = x + container.getPaddingLeft();
+        mOriginY = y + container.getPaddingTop();
     }
 
     private boolean mIsDismissing;
diff --git a/java/src/com/android/inputmethod/latin/MoreSuggestionsView.java b/java/src/com/android/inputmethod/latin/MoreSuggestionsView.java
index c61dd63..8eab794 100644
--- a/java/src/com/android/inputmethod/latin/MoreSuggestionsView.java
+++ b/java/src/com/android/inputmethod/latin/MoreSuggestionsView.java
@@ -151,32 +151,22 @@
         mListener = listener;
         final View container = (View)getParent();
         final MoreSuggestions pane = (MoreSuggestions)getKeyboard();
-
-        parentView.getLocationInWindow(mCoordinates);
-        final int paneLeft = pointX - (pane.mOccupiedWidth / 2) + parentView.getPaddingLeft();
-        final int x = wrapUp(Math.max(0, Math.min(paneLeft,
-                parentView.getWidth() - pane.mOccupiedWidth))
-                - container.getPaddingLeft() + mCoordinates[0],
-                container.getMeasuredWidth(), 0, parentView.getWidth());
-        final int y = pointY
-                - (container.getMeasuredHeight() - container.getPaddingBottom())
-                + parentView.getPaddingTop() + mCoordinates[1];
+        final int defaultCoordX = pane.mOccupiedWidth / 2;
+        // The coordinates of panel's left-top corner in parentView's coordinate system.
+        final int x = pointX - defaultCoordX - container.getPaddingLeft()
+                + parentView.getPaddingLeft();
+        final int y = pointY - container.getMeasuredHeight() + container.getPaddingBottom()
+                + parentView.getPaddingTop();
 
         window.setContentView(container);
         window.setWidth(container.getMeasuredWidth());
         window.setHeight(container.getMeasuredHeight());
-        window.showAtLocation(parentView, Gravity.NO_GRAVITY, x, y);
+        parentView.getLocationInWindow(mCoordinates);
+        window.showAtLocation(parentView, Gravity.NO_GRAVITY,
+                x + mCoordinates[0], y + mCoordinates[1]);
 
-        mOriginX = x + container.getPaddingLeft() - mCoordinates[0];
-        mOriginY = y + container.getPaddingTop() - mCoordinates[1];
-    }
-
-    private static int wrapUp(int x, int width, int left, int right) {
-        if (x < left)
-            return left;
-        if (x + width > right)
-            return right - width;
-        return x;
+        mOriginX = x + container.getPaddingLeft();
+        mOriginY = y + container.getPaddingTop();
     }
 
     private boolean mIsDismissing;