pt 1 in reviving the android build (copied from pm 28a1, wish me luck)

mobile/android/base/java/org/mozilla/gecko/CustomEditText.java

@@ -0,0 +1,89 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko;
+
+import android.support.v4.content.ContextCompat;
+import org.mozilla.gecko.widget.themed.ThemedEditText;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.KeyEvent;
+import android.view.View;
+
+public class CustomEditText extends ThemedEditText {
+    private OnKeyPreImeListener mOnKeyPreImeListener;
+    private OnSelectionChangedListener mOnSelectionChangedListener;
+    private OnWindowFocusChangeListener mOnWindowFocusChangeListener;
+    private int mHighlightColor;
+
+    public CustomEditText(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        setPrivateMode(false); // Initialize mHighlightColor.
+    }
+
+    public interface OnKeyPreImeListener {
+        public boolean onKeyPreIme(View v, int keyCode, KeyEvent event);
+    }
+
+    public void setOnKeyPreImeListener(OnKeyPreImeListener listener) {
+        mOnKeyPreImeListener = listener;
+    }
+
+    @Override
+    public boolean onKeyPreIme(int keyCode, KeyEvent event) {
+        if (mOnKeyPreImeListener != null)
+            return mOnKeyPreImeListener.onKeyPreIme(this, keyCode, event);
+
+        return false;
+    }
+
+    public interface OnSelectionChangedListener {
+        public void onSelectionChanged(int selStart, int selEnd);
+    }
+
+    public void setOnSelectionChangedListener(OnSelectionChangedListener listener) {
+        mOnSelectionChangedListener = listener;
+    }
+
+    @Override
+    protected void onSelectionChanged(int selStart, int selEnd) {
+        if (mOnSelectionChangedListener != null)
+            mOnSelectionChangedListener.onSelectionChanged(selStart, selEnd);
+
+        super.onSelectionChanged(selStart, selEnd);
+    }
+
+    public interface OnWindowFocusChangeListener {
+        public void onWindowFocusChanged(boolean hasFocus);
+    }
+
+    public void setOnWindowFocusChangeListener(OnWindowFocusChangeListener listener) {
+        mOnWindowFocusChangeListener = listener;
+    }
+
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if (mOnWindowFocusChangeListener != null)
+            mOnWindowFocusChangeListener.onWindowFocusChanged(hasFocus);
+    }
+
+    // Provide a getHighlightColor implementation for API level < 16.
+    @Override
+    public int getHighlightColor() {
+        return mHighlightColor;
+    }
+
+    @Override
+    public void setPrivateMode(boolean isPrivate) {
+        super.setPrivateMode(isPrivate);
+
+        mHighlightColor = ContextCompat.getColor(getContext(), isPrivate
+                ? R.color.url_bar_text_highlight_pb : R.color.fennec_ui_orange);
+        // android:textColorHighlight cannot support a ColorStateList.
+        setHighlightColor(mHighlightColor);
+    }
+}