1 files changed, 43 insertions, 0 deletions
diff --git a/src/com/android/camera/ui/LayoutChangeHelper.java b/src/com/android/camera/ui/LayoutChangeHelper.java
new file mode 100644
index 000000000..ef4eb6a7a
--- /dev/null
+++ b/src/com/android/camera/ui/LayoutChangeHelper.java
@@ -0,0 +1,43 @@
+/*
+ * 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.camera.ui;
+
+import android.view.View;
+
+public class LayoutChangeHelper implements LayoutChangeNotifier {
+    private LayoutChangeNotifier.Listener mListener;
+    private boolean mFirstTimeLayout;
+    private View mView;
+
+    public LayoutChangeHelper(View v) {
+        mView = v;
+        mFirstTimeLayout = true;
+    }
+
+    @Override
+    public void setOnLayoutChangeListener(LayoutChangeNotifier.Listener listener) {
+        mListener = listener;
+    }
+
+    public void onLayout(boolean changed, int l, int t, int r, int b) {
+        if (mListener == null) return;
+        if (mFirstTimeLayout || changed) {
+            mFirstTimeLayout = false;
+            mListener.onLayoutChange(mView, l, t, r, b);
+        }
+    }
+}