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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.launcher2;
     18 
     19 import android.content.Context;
     20 import android.graphics.Canvas;
     21 import android.graphics.Insets;
     22 import android.util.AttributeSet;
     23 import android.widget.ImageView;
     24 
     25 
     26 
     27 class PagedViewWidgetImageView extends ImageView {
     28     public boolean mAllowRequestLayout = true;
     29 
     30     public PagedViewWidgetImageView(Context context, AttributeSet attrs) {
     31         super(context, attrs);
     32     }
     33 
     34     public void requestLayout() {
     35         if (mAllowRequestLayout) {
     36             super.requestLayout();
     37         }
     38     }
     39 
     40     @Override
     41     protected void onDraw(Canvas canvas) {
     42 
     43         Insets insets = Insets.NONE;
     44         if (getBackground() != null) {
     45             insets = getBackground().getLayoutInsets();
     46         }
     47         canvas.save();
     48         canvas.clipRect(getScrollX() + getPaddingLeft() + insets.left,
     49                 getScrollY() + getPaddingTop() + insets.top,
     50                 getScrollX() + getRight() - getLeft() - getPaddingRight() - insets.right,
     51                 getScrollY() + getBottom() - getTop() - getPaddingBottom() - insets.bottom);
     52 
     53         super.onDraw(canvas);
     54         canvas.restore();
     55 
     56     }
     57 }
     58