Updating the icon click feedback

> Using BubbleTextView everywhere, removed PagedIconView
> There is a brightness feedback on touch and shadow
feedback on click, until app launches

issue: 16878374
Change-Id: I3dc1149a123c8a75feca6210948398bf2187f1f2

src/com/android/launcher3/FastBitmapView.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2014 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.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.view.View;
+
+public class FastBitmapView extends View {
+
+    private final Paint mPaint = new Paint(Paint.FILTER_BITMAP_FLAG);
+    private Bitmap mBitmap;
+
+    public FastBitmapView(Context context) {
+        super(context);
+    }
+
+    /**
+     * Applies the new bitmap.
+     * @return true if the view was invalidated.
+     */
+    public boolean setBitmap(Bitmap b) {
+        if (b != mBitmap){
+            if (mBitmap != null) {
+                invalidate(0, 0, mBitmap.getWidth(), mBitmap.getHeight());
+            }
+            mBitmap = b;
+            if (mBitmap != null) {
+                invalidate(0, 0, mBitmap.getWidth(), mBitmap.getHeight());
+            }
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        if (mBitmap != null) {
+            canvas.drawBitmap(mBitmap, 0, 0, mPaint);
+        }
+    }
+}