Fix mini keyboard position

This change adjusts popup mini keyboard X-coordinate not to be clipped
out of the display.

Bug: 4442045
Change-Id: Ibdf4e2d0a79cddbeb89ed8ded81a2db9af9797b8

java/src/com/android/inputmethod/keyboard/KeyboardView.java

@@ -52,7 +52,6 @@ import android.widget.TextView;
 
 import java.util.ArrayList;
 import java.util.HashMap;
-import java.util.List;
 import java.util.WeakHashMap;
 
 /**
@@ -1117,19 +1116,6 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
         return container;
     }
 
-    private static boolean isOneRowKeys(List<Key> keys) {
-        if (keys.size() == 0) return false;
-        final int edgeFlags = keys.get(0).mEdgeFlags;
-        // HACK: The first key of mini keyboard which was inflated from xml and has multiple rows,
-        // does not have both top and bottom edge flags on at the same time.  On the other hand,
-        // the first key of mini keyboard that was created with popupCharacters must have both top
-        // and bottom edge flags on.
-        // When you want to use one row mini-keyboard from xml file, make sure that the row has
-        // both top and bottom edge flags set.
-        return (edgeFlags & Keyboard.EDGE_TOP) != 0
-                && (edgeFlags & Keyboard.EDGE_BOTTOM) != 0;
-    }
-
     /**
      * Called when a key is long pressed. By default this will open any popup keyboard associated
      * with this key through the attributes popupLayout and popupCharacters.
@@ -1155,14 +1141,14 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
         }
         final int pointX = (mConfigShowMiniKeyboardAtTouchedPoint) ? tracker.getLastX()
                 : popupKey.mX + popupKey.mWidth / 2;
-        final int popupX = pointX - miniKeyboard.getDefaultCoordX()
+        final int keyboardLeft = pointX - miniKeyboard.getDefaultCoordX() + getPaddingLeft();
-                - container.getPaddingLeft()
+        final int popupX = Math.max(0, Math.min(keyboardLeft,
-                + getPaddingLeft() + mWindowOffset[0];
+                mMiniKeyboardParent.getWidth() - miniKeyboard.getMinWidth()))
-        final int popupY = popupKey.mY - mKeyboard.getVerticalGap()
+                - container.getPaddingLeft() + mWindowOffset[0];
-                - (container.getMeasuredHeight() - container.getPaddingBottom())
+        final int popupY = popupKey.mY - mKeyboard.getVerticalGap() + getPaddingTop()
-                + getPaddingTop() + mWindowOffset[1];
+                - (container.getMeasuredHeight() - container.getPaddingBottom()) + mWindowOffset[1];
         final int x = popupX;
-        final int y = mShowPreview && isOneRowKeys(miniKeyboard.getKeys())
+        final int y = mShowPreview && miniKeyboard.isOneRowKeys()
                 ? mPopupPreviewDisplayedY : popupY;
 
         mMiniKeyboardOriginX = x + container.getPaddingLeft() - mWindowOffset[0];

java/src/com/android/inputmethod/keyboard/MiniKeyboard.java

@@ -18,6 +18,8 @@ package com.android.inputmethod.keyboard;
 
 import android.content.Context;
 
+import java.util.List;
+
 public class MiniKeyboard extends Keyboard {
     private int mDefaultKeyCoordX;
 
@@ -32,4 +34,18 @@ public class MiniKeyboard extends Keyboard {
     public int getDefaultCoordX() {
         return mDefaultKeyCoordX;
     }
+
+    public boolean isOneRowKeys() {
+        final List<Key> keys = getKeys();
+        if (keys.size() == 0) return false;
+        final int edgeFlags = keys.get(0).mEdgeFlags;
+        // HACK: The first key of mini keyboard which was inflated from xml and has multiple rows,
+        // does not have both top and bottom edge flags on at the same time.  On the other hand,
+        // the first key of mini keyboard that was created with popupCharacters must have both top
+        // and bottom edge flags on.
+        // When you want to use one row mini-keyboard from xml file, make sure that the row has
+        // both top and bottom edge flags set.
+        return (edgeFlags & Keyboard.EDGE_TOP) != 0
+                && (edgeFlags & Keyboard.EDGE_BOTTOM) != 0;
+    }
 }