Move PhoneNumberFormatter to common.

Bug: 6993891
Change-Id: I7d55c473272e944d9dfc1d67a5b010edb9dbb1a9

1 files changed, 73 insertions, 0 deletions

diff --git a/src/com/android/contacts/common/util/PhoneNumberFormatter.java b/src/com/android/contacts/common/util/PhoneNumberFormatter.java
new file mode 100644
index 00000000..e780115d
--- /dev/null
+++ b/src/com/android/contacts/common/util/PhoneNumberFormatter.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2011 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.common.util;
+
+import android.content.Context;
+import android.os.AsyncTask;
+import android.telephony.PhoneNumberFormattingTextWatcher;
+import android.widget.TextView;
+
+import com.android.contacts.common.GeoUtil;
+
+public final class PhoneNumberFormatter {
+    private PhoneNumberFormatter() {}
+
+    /**
+     * Load {@link TextWatcherLoadAsyncTask} in a worker thread and set it to a {@link TextView}.
+     */
+    private static class TextWatcherLoadAsyncTask extends
+            AsyncTask<Void, Void, PhoneNumberFormattingTextWatcher> {
+        private final String mCountryCode;
+        private final TextView mTextView;
+
+        public TextWatcherLoadAsyncTask(String countryCode, TextView textView) {
+            mCountryCode = countryCode;
+            mTextView = textView;
+        }
+
+        @Override
+        protected PhoneNumberFormattingTextWatcher doInBackground(Void... params) {
+            return new PhoneNumberFormattingTextWatcher(mCountryCode);
+        }
+
+        @Override
+        protected void onPostExecute(PhoneNumberFormattingTextWatcher watcher) {
+            if (watcher == null || isCancelled()) {
+                return; // May happen if we cancel the task.
+            }
+            // Setting a text changed listener is safe even after the view is detached.
+            mTextView.addTextChangedListener(watcher);
+
+            // Note changes the user made before onPostExecute() will not be formatted, but
+            // once they type the next letter we format the entire text, so it's not a big deal.
+            // (And loading PhoneNumberFormattingTextWatcher is usually fast enough.)
+            // We could use watcher.afterTextChanged(mTextView.getEditableText()) to force format
+            // the existing content here, but that could cause unwanted results.
+            // (e.g. the contact editor thinks the user changed the content, and would save
+            // when closed even when the user didn't make other changes.)
+        }
+    }
+
+    /**
+     * Delay-set {@link PhoneNumberFormattingTextWatcher} to a {@link TextView}.
+     */
+    public static final void setPhoneNumberFormattingTextWatcher(Context context,
+            TextView textView) {
+        new TextWatcherLoadAsyncTask(GeoUtil.getCurrentCountryIso(context), textView)
+                .executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Void[]) null);
+    }
+}