nkfust.selab.android.explorer.layout.view.PhotoFragment.java Source code

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Here is the source code for nkfust.selab.android.explorer.layout.view.PhotoFragment.java

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/*
 * Copyright (C) 2013 Adam Huang
 * Copyright (C) 2014 Zi-Xiang Lin <bdl9437@gmail.com>
 *
 * 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.
 */
/*******************************
 * PhotoFragment
 *******************************/
package nkfust.selab.android.explorer.layout.view;

import nkfust.selab.android.explorer.layout.R;

import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemException;
import org.apache.commons.vfs2.VFS;

import poisondog.android.image.ImageCache;
import poisondog.android.image.ImageFetcher;
import poisondog.android.image.RecyclingBitmapDrawable;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.ProgressBar;

/**
 * @author poisondog <poisondog@gmail.com>
 */
public class PhotoFragment extends Fragment {
    private static final String PATH = "path";
    private String path;
    private CoustomizedImageView image;
    private ImageFetcher aFetcher;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (savedInstanceState != null) {
            path = savedInstanceState.getString(PATH);
        }

        DisplayMetrics dm = new DisplayMetrics();
        getActivity().getWindowManager().getDefaultDisplay().getMetrics(dm);
        try {
            FileObject cache = VFS.getManager().resolveFile(getActivity().getExternalCacheDir().getPath());
            aFetcher = new ImageFetcher(getActivity(), (int) (dm.widthPixels), (int) (dm.heightPixels), cache);
            aFetcher.setImageCache(new ImageCache(getActivity(), cache));
        } catch (FileSystemException e) {
            e.printStackTrace();
        }
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putString(PATH, path);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        FrameLayout fl = new FrameLayout(getActivity());
        ProgressBar pb = new ProgressBar(getActivity());
        FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(FrameLayout.LayoutParams.WRAP_CONTENT,
                FrameLayout.LayoutParams.WRAP_CONTENT);
        params.gravity = Gravity.CENTER;
        pb.setLayoutParams(params);
        image = new CoustomizedImageView(getActivity());
        image.setMaxZoom(2f);
        image.setDrawingCacheEnabled(false);
        aFetcher.loadImage(path, image);

        fl.addView(pb);
        fl.addView(image);
        return fl;
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
        if (RecyclingBitmapDrawable.class.isInstance(image.getDrawable())) {
            ((RecyclingBitmapDrawable) image.getDrawable()).setIsDisplayed(false);
        }
        image.setImageResource(R.drawable.file);
        Log.i("PhotoFragment", "onDestoryView!!!");
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        Log.i("PhotoFragment", "onDestory!!!");
    }

    @Override
    public void onDetach() {
        super.onDetach();
        Log.i("PhotoFragment", "onDetach!!!");
    }

    public void setPath(String path) {
        this.path = path;
    }
}