1 files changed, 95 insertions, 0 deletions
diff --git a/src/com/android/dialer/util/PhoneNumberUtil.java b/src/com/android/dialer/util/PhoneNumberUtil.java
new file mode 100644
index 000000000..84f58aa85
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+++ b/src/com/android/dialer/util/PhoneNumberUtil.java
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+/*
+ * Copyright (C) 2013 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.dialer.util;
+
+import android.content.Context;
+import android.provider.CallLog;
+import android.telecom.PhoneAccountHandle;
+import android.telecom.TelecomManager;
+import android.text.TextUtils;
+import android.util.Log;
+import android.util.Pair;
+
+import com.android.contacts.common.util.PhoneNumberHelper;
+import com.google.common.collect.Sets;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+public class PhoneNumberUtil {
+    private static final Set<String> LEGACY_UNKNOWN_NUMBERS = Sets.newHashSet("-1", "-2", "-3");
+
+    /** Returns true if it is possible to place a call to the given number. */
+    public static boolean canPlaceCallsTo(CharSequence number, int presentation) {
+        return presentation == CallLog.Calls.PRESENTATION_ALLOWED
+            && !TextUtils.isEmpty(number) && !isLegacyUnknownNumbers(number);
+    }
+
+    /**
+     * Returns true if the given number is the number of the configured voicemail. To be able to
+     * mock-out this, it is not a static method.
+     */
+    public static boolean isVoicemailNumber(
+            Context context, PhoneAccountHandle accountHandle, CharSequence number) {
+        if (TextUtils.isEmpty(number)) {
+            return false;
+        }
+
+        final TelecomManager telecomManager =
+                (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE);
+        return telecomManager.isVoiceMailNumber(accountHandle, number.toString());
+    }
+
+    /**
+     * Returns true if the given number is a SIP address. To be able to mock-out this, it is not a
+     * static method.
+     */
+    public static boolean isSipNumber(CharSequence number) {
+        return number != null && PhoneNumberHelper.isUriNumber(number.toString());
+    }
+
+    public static boolean isUnknownNumberThatCanBeLookedUp(
+            Context context,
+            PhoneAccountHandle accountHandle,
+            CharSequence number,
+            int presentation) {
+        if (presentation == CallLog.Calls.PRESENTATION_UNKNOWN) {
+            return false;
+        }
+        if (presentation == CallLog.Calls.PRESENTATION_RESTRICTED) {
+            return false;
+        }
+        if (presentation == CallLog.Calls.PRESENTATION_PAYPHONE) {
+            return false;
+        }
+        if (TextUtils.isEmpty(number)) {
+            return false;
+        }
+        if (isVoicemailNumber(context, accountHandle, number)) {
+            return false;
+        }
+        if (isLegacyUnknownNumbers(number)) {
+            return false;
+        }
+        return true;
+    }
+
+    public static boolean isLegacyUnknownNumbers(CharSequence number) {
+        return number != null && LEGACY_UNKNOWN_NUMBERS.contains(number.toString());
+    }
+}