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      1 /*
      2  * Copyright (C) 2013 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.ingest.ui;
     18 
     19 import com.android.gallery3d.R;
     20 import com.android.gallery3d.ingest.adapter.CheckBroker;
     21 
     22 import android.content.Context;
     23 import android.util.AttributeSet;
     24 import android.widget.CheckBox;
     25 import android.widget.Checkable;
     26 import android.widget.CompoundButton;
     27 import android.widget.RelativeLayout;
     28 
     29 /**
     30  * View for displaying an MTP-image and associated controls full-screen
     31  */
     32 public class MtpFullscreenView extends RelativeLayout implements Checkable,
     33     CompoundButton.OnCheckedChangeListener, CheckBroker.OnCheckedChangedListener {
     34 
     35   private MtpImageView mImageView;
     36   private CheckBox mCheckbox;
     37   private int mPosition = -1;
     38   private CheckBroker mBroker;
     39 
     40   public MtpFullscreenView(Context context) {
     41     super(context);
     42   }
     43 
     44   public MtpFullscreenView(Context context, AttributeSet attrs) {
     45     super(context, attrs);
     46   }
     47 
     48   public MtpFullscreenView(Context context, AttributeSet attrs, int defStyle) {
     49     super(context, attrs, defStyle);
     50   }
     51 
     52   @Override
     53   protected void onFinishInflate() {
     54     super.onFinishInflate();
     55     mImageView = (MtpImageView) findViewById(R.id.ingest_fullsize_image);
     56     mCheckbox = (CheckBox) findViewById(R.id.ingest_fullsize_image_checkbox);
     57     mCheckbox.setOnCheckedChangeListener(this);
     58   }
     59 
     60   @Override
     61   public boolean isChecked() {
     62     return mCheckbox.isChecked();
     63   }
     64 
     65   @Override
     66   public void setChecked(boolean checked) {
     67     mCheckbox.setChecked(checked);
     68   }
     69 
     70   @Override
     71   public void toggle() {
     72     mCheckbox.toggle();
     73   }
     74 
     75   @Override
     76   public void onDetachedFromWindow() {
     77     setPositionAndBroker(-1, null);
     78     super.onDetachedFromWindow();
     79   }
     80 
     81   public MtpImageView getImageView() {
     82     return mImageView;
     83   }
     84 
     85   public int getPosition() {
     86     return mPosition;
     87   }
     88 
     89   public void setPositionAndBroker(int position, CheckBroker b) {
     90     if (mBroker != null) {
     91       mBroker.unregisterOnCheckedChangeListener(this);
     92     }
     93     mPosition = position;
     94     mBroker = b;
     95     if (mBroker != null) {
     96       setChecked(mBroker.isItemChecked(position));
     97       mBroker.registerOnCheckedChangeListener(this);
     98     }
     99   }
    100 
    101   @Override
    102   public void onCheckedChanged(CompoundButton arg0, boolean isChecked) {
    103     if (mBroker != null) {
    104       mBroker.setItemChecked(mPosition, isChecked);
    105     }
    106   }
    107 
    108   @Override
    109   public void onCheckedChanged(int position, boolean isChecked) {
    110     if (position == mPosition) {
    111       setChecked(isChecked);
    112     }
    113   }
    114 
    115   @Override
    116   public void onBulkCheckedChanged() {
    117     if (mBroker != null) {
    118       setChecked(mBroker.isItemChecked(mPosition));
    119     }
    120   }
    121 }
    122