WebViewFragment.java

/*
 *  Copyright (C) 2012 Daryl Daly
 *
 *  This file is part of Heart Observe
 *
 *  Heart Observe is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  Heart Observe is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


/*
 * Copyright (C) 2010 The Android Open Source Project
 * Portions Copyright (c) 2012 CommonsWare, LLC
 *
 * 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 android.webkit;
//package com.commonsware.empublite;
package ca.ddaly.android.heart;

import android.annotation.TargetApi;
import android.os.Build;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebView;
import com.actionbarsherlock.app.SherlockFragment;

/**
 * A fragment that displays a WebView.
 * <p>
 * The WebView is automatically paused or resumed when the
 * Fragment is paused or resumed.
 */
public class WebViewFragment extends SherlockFragment {
  private WebView mWebView;
  private boolean mIsWebViewAvailable;
  public WebViewFragment() {
  }

  /**
   * Called to instantiate the view. Creates and returns the
   * WebView.
   */
  @Override
  public View onCreateView(LayoutInflater inflater,
                           ViewGroup container,
                           Bundle savedInstanceState) {
    if (mWebView != null) {
      mWebView.destroy();
    }
    
    mWebView=new WebView(getActivity());
    mIsWebViewAvailable=true;
    return mWebView;
  }

  /**
   * Called when the fragment is visible to the user and
   * actively running. Resumes the WebView.
   */
  @TargetApi(11)
  @Override
  public void onPause() {
    super.onPause();

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
      mWebView.onPause();
    }
  }

  /**
   * Called when the fragment is no longer resumed. Pauses
   * the WebView.
   */
  @TargetApi(11)
  @Override
  public void onResume() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
      mWebView.onResume();
    }

    super.onResume();
  }

  /**
   * Called when the WebView has been detached from the
   * fragment. The WebView is no longer available after this
   * time.
   */
  @Override
  public void onDestroyView() {
    mIsWebViewAvailable=false;
    super.onDestroyView();
  }

  /**
   * Called when the fragment is no longer in use. Destroys
   * the internal state of the WebView.
   */
  @Override
  public void onDestroy() {
    if (mWebView != null) {
      mWebView.destroy();
      mWebView=null;
    }
    super.onDestroy();
  }

  /**
   * Gets the WebView.
   */
  public WebView getWebView() {
    return mIsWebViewAvailable ? mWebView : null;
  }
}