1 files changed, 50 insertions, 0 deletions
diff --git a/src/com/android/camera/ui/PreviewSurfaceView.java b/src/com/android/camera/ui/PreviewSurfaceView.java
new file mode 100644
index 000000000..9a428e23c
--- /dev/null
+++ b/src/com/android/camera/ui/PreviewSurfaceView.java
@@ -0,0 +1,50 @@
+/*
+ * 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.content.Context;
+import android.util.AttributeSet;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+import android.view.ViewGroup;
+
+import com.android.gallery3d.common.ApiHelper;
+
+public class PreviewSurfaceView extends SurfaceView {
+    public PreviewSurfaceView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        setZOrderMediaOverlay(true);
+        getHolder().setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
+    }
+
+    public void shrink() {
+        setLayoutSize(1);
+    }
+
+    public void expand() {
+        setLayoutSize(ViewGroup.LayoutParams.MATCH_PARENT);
+    }
+
+    private void setLayoutSize(int size) {
+        ViewGroup.LayoutParams p = getLayoutParams();
+        if (p.width != size || p.height != size) {
+            p.width = size;
+            p.height = size;
+            setLayoutParams(p);
+        }
+    }
+}