1 files changed, 62 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/research/FeedbackLayout.java b/java/src/com/android/inputmethod/research/FeedbackLayout.java
new file mode 100644
index 000000000..f2cbfe308
--- /dev/null
+++ b/java/src/com/android/inputmethod/research/FeedbackLayout.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2012 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.inputmethod.research;
+
+import android.app.Activity;
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.KeyEvent;
+import android.widget.LinearLayout;
+
+public class FeedbackLayout extends LinearLayout {
+    private Activity mActivity;
+
+    public FeedbackLayout(Context context) {
+        super(context);
+    }
+
+    public FeedbackLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public FeedbackLayout(Context context, AttributeSet attrs, int defstyle) {
+        super(context, attrs, defstyle);
+    }
+
+    public void setActivity(Activity activity) {
+        mActivity = activity;
+    }
+
+    @Override
+    public boolean dispatchKeyEventPreIme(KeyEvent event) {
+        if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
+            KeyEvent.DispatcherState state = getKeyDispatcherState();
+            if (state != null) {
+                if (event.getAction() == KeyEvent.ACTION_DOWN
+                        && event.getRepeatCount() == 0) {
+                    state.startTracking(event, this);
+                    return true;
+                } else if (event.getAction() == KeyEvent.ACTION_UP
+                        && !event.isCanceled() && state.isTracking(event)) {
+                    mActivity.onBackPressed();
+                    return true;
+                }
+            }
+        }
+        return super.dispatchKeyEventPreIme(event);
+    }
+}