src/com/android/gallery3d/ingest/ui/MtpFullscreenView.java

/*
 * Copyright (C) 2013 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.gallery3d.ingest.ui;

import org.codeaurora.gallery.R;
import com.android.gallery3d.ingest.adapter.CheckBroker;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.CheckBox;
import android.widget.Checkable;
import android.widget.CompoundButton;
import android.widget.RelativeLayout;

/**
 * View for displaying an MTP-image and associated controls full-screen
 */
public class MtpFullscreenView extends RelativeLayout implements Checkable,
    CompoundButton.OnCheckedChangeListener, CheckBroker.OnCheckedChangedListener {

  private MtpImageView mImageView;
  private CheckBox mCheckbox;
  private int mPosition = -1;
  private CheckBroker mBroker;

  public MtpFullscreenView(Context context) {
    super(context);
  }

  public MtpFullscreenView(Context context, AttributeSet attrs) {
    super(context, attrs);
  }

  public MtpFullscreenView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
  }

  @Override
  protected void onFinishInflate() {
    super.onFinishInflate();
    mImageView = (MtpImageView) findViewById(R.id.ingest_fullsize_image);
    mCheckbox = (CheckBox) findViewById(R.id.ingest_fullsize_image_checkbox);
    mCheckbox.setOnCheckedChangeListener(this);
  }

  @Override
  public boolean isChecked() {
    return mCheckbox.isChecked();
  }

  @Override
  public void setChecked(boolean checked) {
    mCheckbox.setChecked(checked);
  }

  @Override
  public void toggle() {
    mCheckbox.toggle();
  }

  @Override
  public void onDetachedFromWindow() {
    setPositionAndBroker(-1, null);
    super.onDetachedFromWindow();
  }

  public MtpImageView getImageView() {
    return mImageView;
  }

  public int getPosition() {
    return mPosition;
  }

  public void setPositionAndBroker(int position, CheckBroker b) {
    if (mBroker != null) {
      mBroker.unregisterOnCheckedChangeListener(this);
    }
    mPosition = position;
    mBroker = b;
    if (mBroker != null) {
      setChecked(mBroker.isItemChecked(position));
      mBroker.registerOnCheckedChangeListener(this);
    }
  }

  @Override
  public void onCheckedChanged(CompoundButton arg0, boolean isChecked) {
    if (mBroker != null) {
      mBroker.setItemChecked(mPosition, isChecked);
    }
  }

  @Override
  public void onCheckedChanged(int position, boolean isChecked) {
    if (position == mPosition) {
      setChecked(isChecked);
    }
  }

  @Override
  public void onBulkCheckedChanged() {
    if (mBroker != null) {
      setChecked(mBroker.isItemChecked(mPosition));
    }
  }
}