1 files changed, 85 insertions, 0 deletions
diff --git a/src/com/android/launcher3/HolographicLinearLayout.java b/src/com/android/launcher3/HolographicLinearLayout.java
new file mode 100644
index 000000000..73d4c3a01
--- /dev/null
+++ b/src/com/android/launcher3/HolographicLinearLayout.java
@@ -0,0 +1,85 @@
+/*
+ * 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.launcher3;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.StateListDrawable;
+import android.util.AttributeSet;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+
+import com.android.launcher3.R;
+
+public class HolographicLinearLayout extends LinearLayout {
+
+    private final HolographicViewHelper mHolographicHelper;
+    private ImageView mImageView;
+    private int mImageViewId;
+
+    public HolographicLinearLayout(Context context) {
+        this(context, null);
+    }
+
+    public HolographicLinearLayout(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public HolographicLinearLayout(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.HolographicLinearLayout,
+                defStyle, 0);
+        mImageViewId = a.getResourceId(R.styleable.HolographicLinearLayout_sourceImageViewId, -1);
+        a.recycle();
+
+        setWillNotDraw(false);
+        mHolographicHelper = new HolographicViewHelper(context);
+    }
+
+    @Override
+    protected void drawableStateChanged() {
+        super.drawableStateChanged();
+
+        if (mImageView != null) {
+            Drawable d = mImageView.getDrawable();
+            if (d instanceof StateListDrawable) {
+                StateListDrawable sld = (StateListDrawable) d;
+                sld.setState(getDrawableState());
+            }
+        }
+    }
+
+    void invalidatePressedFocusedStates() {
+        mHolographicHelper.invalidatePressedFocusedStates(mImageView);
+        invalidate();
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+
+        // One time call to generate the pressed/focused state -- must be called after
+        // measure/layout
+        if (mImageView == null) {
+            mImageView = (ImageView) findViewById(mImageViewId);
+        }
+        mHolographicHelper.generatePressedFocusedStates(mImageView);
+    }
+}