1 files changed, 50 insertions, 0 deletions
diff --git a/samples/PhotoEditor/src/com/android/photoeditor/ToolbarLayoutHandler.java b/samples/PhotoEditor/src/com/android/photoeditor/ToolbarLayoutHandler.java
new file mode 100644
index 0000000..93253d7
--- /dev/null
+++ b/samples/PhotoEditor/src/com/android/photoeditor/ToolbarLayoutHandler.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2010 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.photoeditor;
+
+import android.view.View;
+
+/**
+ * Handler that adjusts layouts of toolbar's child views whose positions need being calculated
+ * according to the current screen dimensions.
+ */
+class ToolbarLayoutHandler {
+
+    private final View tools;
+
+    /**
+     * Constructor should only be invoked after toolbar has done inflation and added all its child
+     * views; then its child views could be found by findViewById calls.
+     */
+    public ToolbarLayoutHandler(View toolbar) {
+        this.tools = toolbar;
+    }
+
+    /**
+     * Layouts child tool views' positions that need being updated when toolbar is being layout.
+     */
+    public void extraLayout(int left, int top, int right, int bottom) {
+        // Wheels need being centered vertically.
+        int height = bottom - top;
+
+        View scaleWheel = tools.findViewById(R.id.scale_wheel);
+        scaleWheel.offsetTopAndBottom((height - scaleWheel.getHeight()) / 2);
+
+        View colorWheel = tools.findViewById(R.id.color_wheel);
+        colorWheel.offsetTopAndBottom((height - colorWheel.getHeight()) / 2);
+    }
+}