1 files changed, 77 insertions, 0 deletions
diff --git a/java/com/android/dialer/precall/impl/MalformedNumberRectifier.java b/java/com/android/dialer/precall/impl/MalformedNumberRectifier.java
new file mode 100644
index 000000000..2e414632b
--- /dev/null
+++ b/java/com/android/dialer/precall/impl/MalformedNumberRectifier.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2018 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.precall.impl;
+
+import android.content.Context;
+import android.net.Uri;
+import android.support.annotation.MainThread;
+import android.telecom.PhoneAccount;
+import com.android.dialer.callintent.CallIntentBuilder;
+import com.android.dialer.precall.PreCallAction;
+import com.android.dialer.precall.PreCallCoordinator;
+import com.google.common.base.Optional;
+import com.google.common.collect.ImmutableList;
+
+/**
+ * Fix common malformed number before it is dialed. Rewrite the number to the first handler that can
+ * handle it
+ */
+public class MalformedNumberRectifier implements PreCallAction {
+
+  /** Handler for individual rules. */
+  public interface MalformedNumberHandler {
+
+    /** @return the number to be corrected to. */
+    @MainThread
+    Optional<String> handle(Context context, String number);
+  }
+
+  private final ImmutableList<MalformedNumberHandler> handlers;
+
+  MalformedNumberRectifier(ImmutableList<MalformedNumberHandler> handlers) {
+    this.handlers = handlers;
+  }
+
+  @Override
+  public boolean requiresUi(Context context, CallIntentBuilder builder) {
+    return false;
+  }
+
+  @Override
+  public void runWithoutUi(Context context, CallIntentBuilder builder) {
+    if (!PhoneAccount.SCHEME_TEL.equals(builder.getUri().getScheme())) {
+      return;
+    }
+    String number = builder.getUri().getSchemeSpecificPart();
+
+    for (MalformedNumberHandler handler : handlers) {
+      Optional<String> result = handler.handle(context, number);
+      if (result.isPresent()) {
+        builder.setUri(Uri.fromParts(PhoneAccount.SCHEME_TEL, result.get(), null));
+        return;
+      }
+    }
+  }
+
+  @Override
+  public void runWithUi(PreCallCoordinator coordinator) {
+    runWithoutUi(coordinator.getActivity(), coordinator.getBuilder());
+  }
+
+  @Override
+  public void onDiscard() {}
+}