ContainerFragment.java

package com.jasonchen.microlang.gallery;

import android.animation.ObjectAnimator;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.jasonchen.microlang.R;
import com.jasonchen.microlang.utils.AnimationRect;
import com.jasonchen.microlang.utils.TaskCache;
import com.jasonchen.microlang.utils.file.FileLocationMethod;
import com.jasonchen.microlang.utils.file.FileManager;
import com.jasonchen.microlang.utils.image.ImageUtility;
import com.jasonchen.microlang.view.CircleProgressView;
import com.jasonchen.microlang.workers.TimeLineBitmapDownloader;

/**
 * jasonchen
 * 2015/04/10
 */
public class ContainerFragment extends Fragment {

    public static ContainerFragment newInstance(String thumbUrl, String url, AnimationRect rect,
                                                boolean animationIn, boolean firstOpenPage) {
        ContainerFragment fragment = new ContainerFragment();
        Bundle bundle = new Bundle();
        bundle.putString("thumbUrl", thumbUrl);
        bundle.putString("url", url);
        bundle.putParcelable("rect", rect);
        bundle.putBoolean("animationIn", animationIn);
        bundle.putBoolean("firstOpenPage", firstOpenPage);
        fragment.setArguments(bundle);
        return fragment;
    }

    private TextView error;
    private CircleProgressView progressView;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.gallery_container_layout, container, false);
        progressView = (CircleProgressView) view.findViewById(R.id.loading);
        //wait = (TextView) view.findViewById(R.id.wait);
        error = (TextView) view.findViewById(R.id.error);

        Bundle bundle = getArguments();
        String thumbUrl = bundle.getString("thumbUrl");
        String url = bundle.getString("url");
        boolean animateIn = bundle.getBoolean("animationIn");
        bundle.putBoolean("animationIn", false);

        String path = FileManager.getFilePathFromUrl(url, FileLocationMethod.picture_large);
        String thumbPath = FileManager.getFilePathFromUrl(thumbUrl, FileLocationMethod.picture_thumbnail);

        if (ImageUtility.isThisBitmapCanRead(path)
                && TaskCache.isThisUrlTaskFinished(url)) {
            displayPicture(path, animateIn);
        } else {
            GalleryAnimationActivity activity = (GalleryAnimationActivity) getActivity();
            activity.showBackgroundImmediately();
            Bitmap thumbBitmap = BitmapFactory.decodeFile(thumbPath);
            if(thumbBitmap != null) {
                displayPicture(thumbPath, animateIn);
            }else{

            }

            progressView.setVisibility(View.VISIBLE);
            TimeLineBitmapDownloader.getInstance()
                    .download(this, url, FileLocationMethod.picture_large, downloadCallback);
        }

        return view;
    }

    private TimeLineBitmapDownloader.DownloadCallback downloadCallback
            = new TimeLineBitmapDownloader.DownloadCallback() {

        @Override
        public void onSubmitJobButNotBegin() {
            super.onSubmitJobButNotBegin();
        }

        @Override
        public void onUpdate(int progress, int max) {
            super.onUpdate(progress, max);
            progressView.setMax(max);
            progressView.setProgress(progress);
        }

        @Override
        public void onComplete(final String localPath) {
            super.onComplete(localPath);
            CircleProgressView circleProgressView = (CircleProgressView) progressView;
            circleProgressView.executeRunnableAfterAnimationFinish(new Runnable() {
                @Override
                public void run() {
                    if (getActivity() == null) {
                        return;
                    }
                    progressView.setVisibility(View.INVISIBLE);

                    if (TextUtils.isEmpty(localPath)) {
                        error.setVisibility(View.VISIBLE);
                        error.setText(
                                getString(R.string.picture_cant_download_or_sd_cant_read));
                    } else if (!ImageUtility.isThisBitmapCanRead(localPath)) {
                        error.setVisibility(View.VISIBLE);
                        error.setText(
                                getString(
                                        R.string.download_finished_but_cant_read_picture_file));
                    } else {
                        error.setVisibility(View.INVISIBLE);
                        displayPicture(localPath, false);
                    }
                }
            });
        }
    };

    private void displayPicture(String path, boolean animateIn) {
        GalleryAnimationActivity activity = (GalleryAnimationActivity) getActivity();

        AnimationRect rect = getArguments().getParcelable("rect");
        boolean firstOpenPage = getArguments().getBoolean("firstOpenPage");

        if (firstOpenPage) {
            if (animateIn) {
                ObjectAnimator animator = activity.showBackgroundAnimate();
                animator.start();
            } else {
                activity.showBackgroundImmediately();
            }
            getArguments().putBoolean("firstOpenPage", false);
        }

        if (!ImageUtility.isThisBitmapTooLargeToRead(path)) {
            Fragment fragment = null;
            if (ImageUtility.isThisPictureGif(path)) {
                fragment = GifPictureFragment.newInstance(path, rect, animateIn);
            } else {
                fragment = GeneralPictureFragment.newInstance(path, rect, animateIn);
            }
            getChildFragmentManager().beginTransaction().replace(R.id.child, fragment)
                    .commitAllowingStateLoss();
        } else {
            System.out.println("图片太大了！！");
            LargePictureFragment fragment = LargePictureFragment.newInstance(path, animateIn);
            getChildFragmentManager().beginTransaction().replace(R.id.child, fragment)
                    .commitAllowingStateLoss();
        }
    }

    public void animationExit(ObjectAnimator backgroundAnimator) {
        Fragment fragment = getChildFragmentManager().findFragmentById(R.id.child);
        if (fragment instanceof GeneralPictureFragment) {
            GeneralPictureFragment child = (GeneralPictureFragment) fragment;
            child.animationExit(backgroundAnimator);
        } else if (fragment instanceof GifPictureFragment) {
            GifPictureFragment child = (GifPictureFragment) fragment;
            child.animationExit(backgroundAnimator);
        }
    }

    public boolean canAnimateCloseActivity() {
        Fragment fragment = getChildFragmentManager().findFragmentById(R.id.child);
        if (fragment instanceof GeneralPictureFragment) {
            return true;
        } else if (fragment instanceof GifPictureFragment) {
            return true;
        } else {
            return false;
        }
    }

    public LongClickListener getLongClickListener() {
        String url = getArguments().getString("url");
        String path = FileManager.getFilePathFromUrl(url, FileLocationMethod.picture_large);
        LongClickListener longClickListener = new LongClickListener(getActivity(), url, path);
        return longClickListener;
    }
}