Merge "Added ability to paste Arabic/Farsi digits into dialer" into jb-mr1.1-dev

        mDigitsContainer = fragmentView.findViewById(R.id.digits_container);

        mDigits = (EditText) fragmentView.findViewById(R.id.digits);

        mDigits.setKeyListener(DialerKeyListener.getInstance());

        mDigits.setKeyListener(UnicodeDialerKeyListener.INSTANCE);

        mDigits.setOnClickListener(this);

        mDigits.setOnKeyListener(this);

        mDigits.setOnLongClickListener(this);

        mDigits.addTextChangedListener(this);

        PhoneNumberFormatter.setPhoneNumberFormattingTextWatcher(getActivity(), mDigits);

        // Check for the presence of the keypad

        View oneButton = fragmentView.findViewById(R.id.one);

        if (oneButton != null) {

/*

 * Copyright (C) 2012 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.contacts.dialpad;

import android.telephony.PhoneNumberUtils;

import android.text.Spanned;

import android.text.method.DialerKeyListener;

/**

 * {@link DialerKeyListener} with Unicode support. Converts any Unicode(e.g. Arabic) characters

 * that represent digits into digits before filtering the results so that we can support

 * pasted digits from Unicode languages.

 */

public class UnicodeDialerKeyListener extends DialerKeyListener {

    public static final UnicodeDialerKeyListener INSTANCE = new UnicodeDialerKeyListener();

    @Override

    public CharSequence filter(CharSequence source, int start, int end,

            Spanned dest, int dstart, int dend) {

        CharSequence converted = PhoneNumberUtils.replaceUnicodeDigits(source.toString());

        // PhoneNumberUtils.replaceUnicodeDigits performs a character for character replacement,

        // so we can assume that start and end positions should remain unchanged.

        CharSequence result = super.filter(converted, start, end, dest, dstart, dend);

        if (result == null) {

            if (source.equals(converted)) {

                // There was no conversion or filtering performed. Just return null according to

                // the behavior of DialerKeyListener.

                return null;

            } else {

                // filter returns null if the charsequence is to be returned unchanged/unfiltered.

                // But in this case we do want to return a modified character string (even if

                // none of the characters in the modified string are filtered). So if

                // result == null we return the unfiltered but converted numeric string instead.

                return converted.subSequence(start, end);

            }

        }

        return result;

    }

}

/*

 * Copyright (C) 2012 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.contacts.dialpad;

import android.test.suitebuilder.annotation.SmallTest;

import com.android.contacts.dialpad.UnicodeDialerKeyListener;

import junit.framework.TestCase;

/**

 * Test case for {@link UnicodeDialerKeyListener}.

 *

 * adb shell am instrument -w -e class com.android.contacts.dialpad.UnicodeDialerKeyListenerTest \

       com.android.contacts.tests/android.test.InstrumentationTestRunner

 */

@SmallTest

public class UnicodeDialerKeyListenerTest extends TestCase {

    private static UnicodeDialerKeyListener mUnicodeDialerKeyListener;

    // Pasted numeric digits should remain unchanged

    public void testNumericDigits() {

        // The last 3 arguments don't matter because {@link NumberKeyListener} doesn't care

        // about dest, dstart, dend in

        // public CharSequence filter (CharSequence source, int start, int end,

        //         Spanned dest, int dstart, int dend)

        // anyway. This applies to all tests.

        assertEquals(null, mUnicodeDialerKeyListener.filter("111222333", 0, 9, null, 0, 0));

    }

    // Pasted Arabic digits should be converted to ascii digits

    public void testArabicDigits() {

        assertEquals("0123456789", mUnicodeDialerKeyListener.filter("٠١٢٣٤٥٦٧٨٩", 0, 10,

                null, 0, 0));

    }

    // Pasted Farsi(Persian) digits should be converted to ascii digits

    // Note the difference in digits 4, 5 and 6 when compared to arabic. The rest of the digits

    // look the same compared to the Arabic digits but they actually have different unicode codes.

    public void testFarsiDigits() {

        assertEquals("0123456789", mUnicodeDialerKeyListener.filter("۰۱۲۳۴۵۶۷۸۹", 0, 10,

                null, 0, 0));

    }

    // This is a rare use case but we should make sure it works all the same.

    public void testCombinationDigits() {

        assertEquals("15102849177", mUnicodeDialerKeyListener.filter("۱510٢٨٤۹۱۷۷", 0, 11,

                null, 0, 0));

    }

    // Test that a normal digit string with dashes is returned unfiltered

    public void testDashes() {

        assertEquals(null, mUnicodeDialerKeyListener.filter("1510-284-9177", 0, 13,

                null, 0, 0));

    }

    @Override

    protected void setUp() throws Exception {

        mUnicodeDialerKeyListener = UnicodeDialerKeyListener.INSTANCE;

    }

}