1 files changed, 52 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/compat/FrameLayoutCompatUtils.java b/java/src/com/android/inputmethod/compat/FrameLayoutCompatUtils.java
new file mode 100644
index 000000000..46499f19a
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/FrameLayoutCompatUtils.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2011 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.compat;
+
+import android.view.ViewGroup;
+import android.view.ViewGroup.MarginLayoutParams;
+import android.widget.FrameLayout;
+import android.widget.RelativeLayout;
+
+public class FrameLayoutCompatUtils {
+    private static final boolean NEEDS_FRAME_LAYOUT_HACK = (
+            android.os.Build.VERSION.SDK_INT < 11 /* Honeycomb */);
+
+    public static ViewGroup getPlacer(ViewGroup container) {
+        if (NEEDS_FRAME_LAYOUT_HACK) {
+            // Insert RelativeLayout to be able to setMargin because pre-Honeycomb FrameLayout
+            // could not handle setMargin properly.
+            final ViewGroup placer = new RelativeLayout(container.getContext());
+            container.addView(placer);
+            return placer;
+        } else {
+            return container;
+        }
+    }
+
+    public static MarginLayoutParams newLayoutParam(ViewGroup placer, int width, int height) {
+        if (placer instanceof FrameLayout) {
+            return new FrameLayout.LayoutParams(width, height);
+        } else if (placer instanceof RelativeLayout) {
+            return new RelativeLayout.LayoutParams(width, height);
+        } else if (placer == null) {
+            throw new NullPointerException("placer is null");
+        } else {
+            throw new IllegalArgumentException("placer is neither FrameLayout nor RelativeLayout: "
+                    + placer.getClass().getName());
+        }
+    }
+}