1 files changed, 74 insertions, 0 deletions
diff --git a/java/com/android/dialer/app/calllog/CallLogModalAlertManager.java b/java/com/android/dialer/app/calllog/CallLogModalAlertManager.java
new file mode 100644
index 000000000..9de260a0a
--- /dev/null
+++ b/java/com/android/dialer/app/calllog/CallLogModalAlertManager.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2017 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.app.calllog;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import com.android.dialer.app.R;
+import com.android.dialer.app.alert.AlertManager;
+
+/**
+ * Alert manager controls modal view to show message in call log. When modal view is shown, regular
+ * call log will be hidden.
+ */
+public class CallLogModalAlertManager implements AlertManager {
+
+  interface Listener {
+    void onShowModalAlert(boolean show);
+  }
+
+  private final Listener listener;
+  private final ViewGroup parent;
+  private final ViewGroup container;
+  private final LayoutInflater inflater;
+
+  public CallLogModalAlertManager(LayoutInflater inflater, ViewGroup parent, Listener listener) {
+    this.inflater = inflater;
+    this.parent = parent;
+    this.listener = listener;
+    container = (ViewGroup) parent.findViewById(R.id.modal_message_container);
+  }
+
+  @Override
+  public View inflate(int layoutId) {
+    return inflater.inflate(layoutId, parent, false);
+  }
+
+  @Override
+  public void add(View view) {
+    if (contains(view)) {
+      return;
+    }
+    container.addView(view);
+    listener.onShowModalAlert(true);
+  }
+
+  @Override
+  public void clear() {
+    container.removeAllViews();
+    listener.onShowModalAlert(false);
+  }
+
+  public boolean isEmpty() {
+    return container.getChildCount() == 0;
+  }
+
+  public boolean contains(View view) {
+    return container.indexOfChild(view) != -1;
+  }
+}