Merge change 7534

package android.webkit;

import android.content.Context;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.ColorFilter;

import android.graphics.Paint;

import android.graphics.PixelFormat;

import android.graphics.Rect;

import android.graphics.drawable.Drawable;

import android.text.Editable;

import android.text.InputFilter;

import android.text.Selection;

import android.text.Spannable;

import android.text.TextPaint;

import android.text.TextUtils;

import android.text.method.MovementMethod;

import android.util.Log;

import android.view.Gravity;

import android.view.KeyCharacterMap;

import android.view.KeyEvent;

import android.view.MotionEvent;

    // Keep track of the text before the change so we know whether we actually

    // need to send down the DOM events.

    private String          mPreChange;

    private Drawable        mBackground;

    // Array to store the final character added in onTextChanged, so that its

    // KeyEvents may be determined.

    private char[]          mCharacter = new char[1];

        mWebView = webView;

        mMaxLength = -1;

        setImeOptions(EditorInfo.IME_ACTION_NONE);

        // Allow webkit's drawing to show through

        setWillNotDraw(true);

        setCursorVisible(false);

    }

    @Override

        if (inPassword) {

            setInputType(EditorInfo.TYPE_CLASS_TEXT | EditorInfo.

                    TYPE_TEXT_VARIATION_PASSWORD);

            createBackground();

        }

        // For password fields, draw the WebTextView.  For others, just show

        // webkit's drawing.

        setWillNotDraw(!inPassword);

        setBackgroundDrawable(inPassword ? mBackground : null);

        // For non-password fields, avoid the invals from TextView's blinking

        // cursor

        setCursorVisible(inPassword);

    }

    /**

     * Private class used for the background of a password textfield.

     */

    private static class OutlineDrawable extends Drawable {

        public void draw(Canvas canvas) {

            Rect bounds = getBounds();

            Paint paint = new Paint();

            paint.setAntiAlias(true);

            // Draw the background.

            paint.setColor(Color.WHITE);

            canvas.drawRect(bounds, paint);

            // Draw the outline.

            paint.setStyle(Paint.Style.STROKE);

            paint.setColor(Color.BLACK);

            canvas.drawRect(bounds, paint);

        }

        // Always want it to be opaque.

        public int getOpacity() {

            return PixelFormat.OPAQUE;

        }

        // These are needed because they are abstract in Drawable.

        public void setAlpha(int alpha) { }

        public void setColorFilter(ColorFilter cf) { }

    }

    /**

     * Create a background for the WebTextView and set up the paint for drawing

     * the text.  This way, we can see the password transformation of the

     * system, which (optionally) shows the actual text before changing to dots.

     * The background is necessary to hide the webkit-drawn text beneath.

     */

    private void createBackground() {

        if (mBackground != null) {

            return;

        }

        mBackground = new OutlineDrawable();

        setGravity(Gravity.CENTER_VERTICAL);

        // Turn on subpixel text, and turn off kerning, so it better matches

        // the text in webkit.

        TextPaint paint = getPaint();

        int flags = paint.getFlags() | Paint.SUBPIXEL_TEXT_FLAG |

                Paint.ANTI_ALIAS_FLAG & ~Paint.DEV_KERN_TEXT_FLAG;

        paint.setFlags(flags);

        // Set the text color to black, regardless of the theme.  This ensures

        // that other applications that use embedded WebViews will properly

        // display the text in password textfields.

        setTextColor(Color.BLACK);

    }

    /* package */ void setMaxLength(int maxLength) {