1 files changed, 58 insertions, 0 deletions
diff --git a/java/com/android/dialer/app/list/OnDragDropListener.java b/java/com/android/dialer/app/list/OnDragDropListener.java
new file mode 100644
index 000000000..b71c7fef6
--- /dev/null
+++ b/java/com/android/dialer/app/list/OnDragDropListener.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2016 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.list;
+
+/**
+ * Classes that want to receive callbacks in response to drag events should implement this
+ * interface.
+ */
+public interface OnDragDropListener {
+
+  /**
+   * Called when a drag is started.
+   *
+   * @param x X-coordinate of the drag event
+   * @param y Y-coordinate of the drag event
+   * @param view The contact tile which the drag was started on
+   */
+  void onDragStarted(int x, int y, PhoneFavoriteSquareTileView view);
+
+  /**
+   * Called when a drag is in progress and the user moves the dragged contact to a location.
+   *
+   * @param x X-coordinate of the drag event
+   * @param y Y-coordinate of the drag event
+   * @param view Contact tile in the ListView which is currently being displaced by the dragged
+   *     contact
+   */
+  void onDragHovered(int x, int y, PhoneFavoriteSquareTileView view);
+
+  /**
+   * Called when a drag is completed (whether by dropping it somewhere or simply by dragging the
+   * contact off the screen)
+   *
+   * @param x X-coordinate of the drag event
+   * @param y Y-coordinate of the drag event
+   */
+  void onDragFinished(int x, int y);
+
+  /**
+   * Called when a contact has been dropped on the remove view, indicating that the user wants to
+   * remove this contact.
+   */
+  void onDroppedOnRemove();
+}