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      1 /*
      2  * Copyright (C) 2010 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.photoeditor.actions;
     18 
     19 import android.view.View;
     20 import android.view.ViewGroup;
     21 
     22 import com.android.photoeditor.FilterStack;
     23 import com.android.photoeditor.filters.ShadowFilter;
     24 
     25 /**
     26  * An action handling shadow effect.
     27  */
     28 public class ShadowAction extends FilterAction {
     29 
     30     private static final float DEFAULT_SCALE = 0f;
     31 
     32     public ShadowAction(FilterStack filterStack, ViewGroup tools) {
     33         super(filterStack, tools);
     34     }
     35 
     36     @Override
     37     public void onBegin() {
     38         final ShadowFilter filter = new ShadowFilter();
     39 
     40         scaleWheel.setOnScaleChangeListener(new ScaleWheel.OnScaleChangeListener() {
     41 
     42             @Override
     43             public void onProgressChanged(float progress, boolean fromUser) {
     44                 if (fromUser) {
     45                     filter.setShadow(progress);
     46                     notifyFilterChanged(filter, true);
     47                 }
     48             }
     49         });
     50         scaleWheel.setProgress(DEFAULT_SCALE);
     51         scaleWheel.setVisibility(View.VISIBLE);
     52     }
     53 
     54     @Override
     55     public void onEnd() {
     56     }
     57 }
     58