Removed an unused file and changed an attribution link

pull/14/head
Sam Bosley 12 years ago
parent 75b138cf98
commit 2a54bddced

@ -45,8 +45,7 @@ import android.util.Log;
* RestClient allows Android to consume web requests.
* <p>
* Portions by Praeda:
* http://senior.ceng.metu.edu.tr/2009/praeda/2009/01/11/a-simple
* -restful-client-at-android/
* http://senior.ceng.metu.edu.tr/2009/praeda/2009/01/11/a-simple-restful-client-at-android/
*
* @author Tim Su <tim@todoroo.com>
*

@ -1,229 +0,0 @@
/**
* Copyright (c) 2012 Todoroo Inc
*
* See the file "LICENSE" for the full license governing this code.
*/
package com.todoroo.andlib.utility;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.util.HashMap;
import java.util.Stack;
import android.app.Activity;
import android.content.Context;
import android.net.Uri;
import android.text.TextUtils;
import android.util.Log;
import android.widget.ImageView;
import com.todoroo.astrid.api.R;
/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you 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.
*/
public class ImageLoader {
// the simplest in-memory cache implementation. This should be replaced with
// something like SoftReference or BitmapOptions.inPurgeable(since 1.6)
private final HashMap<String, Uri> cache = new HashMap<String, Uri>();
private File cacheDir;
public ImageLoader(Context context) {
// Make the background thread low priority. This way it will not affect
// the UI performance
photoLoaderThread.setPriority(Thread.NORM_PRIORITY - 1);
// Find the dir to save cached images
if (android.os.Environment.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED))
cacheDir = new File(
android.os.Environment.getExternalStorageDirectory(),
"Android/data/com.todoroo.astrid/cache/"); //$NON-NLS-1$
else
cacheDir = context.getCacheDir();
if (!cacheDir.exists())
cacheDir.mkdirs();
}
final int stub_id = R.drawable.image_placeholder;
public void displayImage(String url, ImageView imageView) {
if (cache.containsKey(url))
imageView.setImageURI(cache.get(url));
else {
queuePhoto(url, imageView);
imageView.setImageResource(stub_id);
}
}
private void queuePhoto(String url, ImageView imageView) {
// This ImageView may be used for other images before. So there may be
// some old tasks in the queue. We need to discard them.
photosQueue.Clean(imageView);
PhotoToLoad p = new PhotoToLoad(url, imageView);
synchronized (photosQueue.photosToLoad) {
photosQueue.photosToLoad.push(p);
photosQueue.photosToLoad.notifyAll();
}
// start thread if it's not started yet
if (photoLoaderThread.getState() == Thread.State.NEW)
photoLoaderThread.start();
}
private Uri getUri(String url) {
if(!TextUtils.isEmpty(url) && url.contains("://")) { //$NON-NLS-1$
// identify images by hashcode. Not a perfect solution.
String filename = String.valueOf(url.hashCode());
File f = new File(cacheDir, filename);
// from SD cache
if (f.exists()) {
Uri b = Uri.fromFile(f);
System.out.println(f.toString());
return b;
}
// from web
try {
Uri bitmap = null;
InputStream is = new URL(url).openStream();
OutputStream os = new FileOutputStream(f);
AndroidUtilities.copyStream(is, os);
os.close();
bitmap = Uri.fromFile(f);
System.out.println(f.toString());
return bitmap;
} catch (Exception e) {
Log.e("imagel-loader", "Unable to get URL", e); //$NON-NLS-1$ //$NON-NLS-2$
return null;
}
} else {
return null;
}
}
// Task for the queue
private class PhotoToLoad {
public String url;
public ImageView imageView;
public PhotoToLoad(String u, ImageView i) {
url = u;
imageView = i;
imageView.setTag(url);
}
}
PhotosQueue photosQueue = new PhotosQueue();
public void stopThread() {
photoLoaderThread.interrupt();
}
// stores list of photos to download
class PhotosQueue {
private final Stack<PhotoToLoad> photosToLoad = new Stack<PhotoToLoad>();
// removes all instances of this ImageView
public void Clean(ImageView image) {
for (int j = 0; j < photosToLoad.size();) {
if (photosToLoad.get(j).imageView == image)
photosToLoad.remove(j);
else
++j;
}
}
}
class PhotosLoader extends Thread {
@Override
public void run() {
try {
while (true) {
// thread waits until there are any images to load in the
// queue
if (photosQueue.photosToLoad.size() == 0)
synchronized (photosQueue.photosToLoad) {
photosQueue.photosToLoad.wait();
}
if (photosQueue.photosToLoad.size() != 0) {
PhotoToLoad photoToLoad;
synchronized (photosQueue.photosToLoad) {
photoToLoad = photosQueue.photosToLoad.pop();
}
Uri bmp = getUri(photoToLoad.url);
cache.put(photoToLoad.url, bmp);
if (((String) photoToLoad.imageView.getTag()).equals(photoToLoad.url)) {
UriDisplayer bd = new UriDisplayer(bmp,
photoToLoad.imageView);
Activity a = (Activity) photoToLoad.imageView.getContext();
a.runOnUiThread(bd);
}
}
if (Thread.interrupted())
break;
}
} catch (InterruptedException e) {
// allow thread to exit
}
}
}
PhotosLoader photoLoaderThread = new PhotosLoader();
class UriDisplayer implements Runnable {
Uri uri;
ImageView imageView;
public UriDisplayer(Uri u, ImageView i) {
uri = u;
imageView = i;
}
public void run() {
if(uri == null)
return;
File f = new File(uri.getPath());
if (f.exists()) {
imageView.setImageURI(Uri.parse(f.toString()));
} else {
imageView.setImageResource(stub_id);
}
}
}
public void clearCache() {
// clear memory cache
cache.clear();
// clear SD cache
File[] files = cacheDir.listFiles();
for (File f : files)
f.delete();
}
}
Loading…
Cancel
Save