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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.gallery3d.photoeditor;
     18 
     19 import android.content.Context;
     20 import android.util.AttributeSet;
     21 import android.view.View;
     22 import android.view.ViewGroup;
     23 
     24 import com.android.gallery3d.R;
     25 
     26 /**
     27  * Effects menu that contains toggles mapping to corresponding groups of effects.
     28  */
     29 public class EffectsMenu extends RestorableView {
     30 
     31     /**
     32      * Listener of toggle changes.
     33      */
     34     public interface OnToggleListener {
     35 
     36         /**
     37          * Listens to the selected status and mapped effects-id of the clicked toggle.
     38          *
     39          * @return true to make the toggle selected; otherwise, make it unselected.
     40          */
     41         boolean onToggle(boolean isSelected, int effectsId);
     42     }
     43 
     44     public EffectsMenu(Context context, AttributeSet attrs) {
     45         super(context, attrs);
     46     }
     47 
     48     @Override
     49     protected int childLayoutId() {
     50         return R.layout.photoeditor_effects_menu;
     51     }
     52 
     53     public void setOnToggleListener(OnToggleListener listener) {
     54         setToggleRunnalbe(listener, R.id.exposure_button, R.layout.photoeditor_effects_exposure);
     55         setToggleRunnalbe(listener, R.id.artistic_button, R.layout.photoeditor_effects_artistic);
     56         setToggleRunnalbe(listener, R.id.color_button, R.layout.photoeditor_effects_color);
     57         setToggleRunnalbe(listener, R.id.fix_button, R.layout.photoeditor_effects_fix);
     58     }
     59 
     60     private void setToggleRunnalbe(final OnToggleListener listener, final int toggleId,
     61             final int effectsId) {
     62         setClickRunnable(toggleId, new Runnable() {
     63 
     64             @Override
     65             public void run() {
     66                 boolean selected = findViewById(toggleId).isSelected();
     67                 setViewSelected(toggleId, listener.onToggle(selected, effectsId));
     68             }
     69         });
     70     }
     71 
     72     public void clearSelected() {
     73         ViewGroup menu = (ViewGroup) findViewById(R.id.toggles);
     74         for (int i = 0; i < menu.getChildCount(); i++) {
     75             View toggle = menu.getChildAt(i);
     76             if (toggle.isSelected()) {
     77                 setViewSelected(toggle.getId(), false);
     78             }
     79         }
     80     }
     81 }
     82