-/* ownCloud Android client application
- * Copyright (C) 2012-2014 ownCloud Inc.
+/**
+ * ownCloud Android client application
+ *
+ * @author Tobias Kaminsky
+ * @author David A. Velasco
+ * Copyright (C) 2015 ownCloud Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2,
package com.owncloud.android.datamodel;
import java.io.File;
+import java.io.InputStream;
import java.lang.ref.WeakReference;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.methods.GetMethod;
import android.accounts.Account;
-import android.accounts.AccountManager;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.graphics.BitmapFactory;
-import android.graphics.Matrix;
+import android.graphics.Canvas;
import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
-import android.media.ExifInterface;
import android.media.ThumbnailUtils;
import android.net.Uri;
import android.os.AsyncTask;
import com.owncloud.android.MainApp;
import com.owncloud.android.R;
+import com.owncloud.android.authentication.AccountUtils;
import com.owncloud.android.lib.common.OwnCloudAccount;
import com.owncloud.android.lib.common.OwnCloudClient;
import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
-import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
import com.owncloud.android.lib.common.utils.Log_OC;
import com.owncloud.android.lib.resources.status.OwnCloudVersion;
import com.owncloud.android.ui.adapter.DiskLruImageCache;
import com.owncloud.android.utils.DisplayUtils;
/**
- * Manager for concurrent access to thumbnails cache.
- *
- * @author Tobias Kaminsky
- * @author David A. Velasco
+ * Manager for concurrent access to thumbnails cache.
*/
public class ThumbnailsCacheManager {
private static final String TAG = ThumbnailsCacheManager.class.getSimpleName();
private static final String CACHE_FOLDER = "thumbnailCache";
- private static final String MINOR_SERVER_VERSION_FOR_THUMBS = "7.8.0";
-
+
private static final Object mThumbnailsDiskCacheLock = new Object();
private static DiskLruImageCache mThumbnailCache = null;
private static boolean mThumbnailCacheStarting = true;
private static final CompressFormat mCompressFormat = CompressFormat.JPEG;
private static final int mCompressQuality = 70;
private static OwnCloudClient mClient = null;
- private static String mServerVersion = null;
public static Bitmap mDefaultImg =
BitmapFactory.decodeResource(
- MainApp.getAppContext().getResources(),
- DisplayUtils.getResourceId("image/png", "default.png")
+ MainApp.getAppContext().getResources(),
+ R.drawable.file_image
);
while (mThumbnailCacheStarting) {
try {
mThumbnailsDiskCacheLock.wait();
- } catch (InterruptedException e) {}
+ } catch (InterruptedException e) {
+ Log_OC.e(TAG, "Wait in mThumbnailsDiskCacheLock was interrupted", e);
+ }
}
if (mThumbnailCache != null) {
- return (Bitmap) mThumbnailCache.getBitmap(key);
+ return mThumbnailCache.getBitmap(key);
}
}
return null;
}
-
- public static boolean cancelPotentialWork(OCFile file, ImageView imageView) {
- final ThumbnailGenerationTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
+ public static class ThumbnailGenerationTask extends AsyncTask<Object, Void, Bitmap> {
+ private final WeakReference<ImageView> mImageViewReference;
+ private static Account mAccount;
+ private Object mFile;
+ private FileDataStorageManager mStorageManager;
- if (bitmapWorkerTask != null) {
- final OCFile bitmapData = bitmapWorkerTask.mFile;
- // If bitmapData is not yet set or it differs from the new data
- if (bitmapData == null || bitmapData != file) {
- // Cancel previous task
- bitmapWorkerTask.cancel(true);
- } else {
- // The same work is already in progress
- return false;
- }
- }
- // No task associated with the ImageView, or an existing task was cancelled
- return true;
- }
-
- public static boolean cancelPotentialWork(File file, ImageView imageView) {
- final ThumbnailLocalGenerationTask bitmapWorkerTask = getBitmapLocalWorkerTask(imageView);
- if (bitmapWorkerTask != null) {
- final File bitmapData = bitmapWorkerTask.mFile;
- // If bitmapData is not yet set or it differs from the new data
- if (bitmapData == null || bitmapData != file) {
- // Cancel previous task
- bitmapWorkerTask.cancel(true);
- } else {
- // The same work is already in progress
- return false;
- }
+ public ThumbnailGenerationTask(ImageView imageView, FileDataStorageManager storageManager,
+ Account account) {
+ // Use a WeakReference to ensure the ImageView can be garbage collected
+ mImageViewReference = new WeakReference<ImageView>(imageView);
+ if (storageManager == null)
+ throw new IllegalArgumentException("storageManager must not be NULL");
+ mStorageManager = storageManager;
+ mAccount = account;
}
- // No task associated with the ImageView, or an existing task was cancelled
- return true;
- }
-
- public static ThumbnailGenerationTask getBitmapWorkerTask(ImageView imageView) {
- if (imageView != null) {
- final Drawable drawable = imageView.getDrawable();
- if (drawable instanceof AsyncDrawable) {
- final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
- return asyncDrawable.getBitmapWorkerTask();
- }
- }
- return null;
- }
-
- public static ThumbnailLocalGenerationTask getBitmapLocalWorkerTask(ImageView imageView) {
- if (imageView != null) {
- final Drawable drawable = imageView.getDrawable();
- if (drawable instanceof AsyncLocalDrawable) {
- final AsyncLocalDrawable asyncDrawable = (AsyncLocalDrawable) drawable;
- return asyncDrawable.getBitmapWorkerTask();
- }
- }
- return null;
- }
-
- public static class ThumbnailLocalGenerationTask extends AsyncTask<File, Void, Bitmap> {
- private final WeakReference<ImageView> mImageViewLocalReference;
- private File mFile;
-
- public ThumbnailLocalGenerationTask(ImageView imageView) {
- // Use a WeakReference to ensure the ImageView can be garbage collected
- mImageViewLocalReference = new WeakReference<ImageView>(imageView);
+
+ public ThumbnailGenerationTask(ImageView imageView) {
+ // Use a WeakReference to ensure the ImageView can be garbage collected
+ mImageViewReference = new WeakReference<ImageView>(imageView);
}
- // Decode image in background.
@Override
- protected Bitmap doInBackground(File... params) {
+ protected Bitmap doInBackground(Object... params) {
Bitmap thumbnail = null;
-
+
try {
+ if (mAccount != null) {
+ OwnCloudAccount ocAccount = new OwnCloudAccount(mAccount,
+ MainApp.getAppContext());
+ mClient = OwnCloudClientManagerFactory.getDefaultSingleton().
+ getClientFor(ocAccount, MainApp.getAppContext());
+ }
+
mFile = params[0];
- final String imageKey = String.valueOf(mFile.hashCode());
-
- // Check disk cache in background thread
- thumbnail = getBitmapFromDiskCache(imageKey);
-
- // Not found in disk cache
- if (thumbnail == null) {
- // Converts dp to pixel
- Resources r = MainApp.getAppContext().getResources();
-
- int px = (int) Math.round(r.getDimension(R.dimen.file_icon_size));
-
- Bitmap bitmap = BitmapUtils.decodeSampledBitmapFromFile(
- mFile.getAbsolutePath(), px, px);
-
- if (bitmap != null) {
- thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
+
+ if (mFile instanceof OCFile) {
+ thumbnail = doOCFileInBackground();
+ } else if (mFile instanceof File) {
+ thumbnail = doFileInBackground();
+ //} else { do nothing
+ }
- // Add thumbnail to cache
- addBitmapToCache(imageKey, thumbnail);
+ }catch(Throwable t){
+ // the app should never break due to a problem with thumbnails
+ Log_OC.e(TAG, "Generation of thumbnail for " + mFile + " failed", t);
+ if (t instanceof OutOfMemoryError) {
+ System.gc();
}
}
-
- } catch (Throwable t) {
- // the app should never break due to a problem with thumbnails
- Log_OC.e(TAG, "Generation of thumbnail for " + mFile + " failed", t);
- if (t instanceof OutOfMemoryError) {
- System.gc();
- }
- }
-
+
return thumbnail;
}
-
- protected void onPostExecute(Bitmap bitmap){
- if (isCancelled()) {
- bitmap = null;
- }
- if (mImageViewLocalReference != null && bitmap != null) {
- final ImageView imageView = mImageViewLocalReference.get();
- final ThumbnailLocalGenerationTask bitmapWorkerTask = getBitmapLocalWorkerTask(imageView);
- if (this == bitmapWorkerTask && imageView != null) {
- if (imageView.getTag().equals(mFile.hashCode())) {
+ protected void onPostExecute(Bitmap bitmap){
+ if (bitmap != null) {
+ final ImageView imageView = mImageViewReference.get();
+ final ThumbnailGenerationTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
+ if (this == bitmapWorkerTask) {
+ String tagId = "";
+ if (mFile instanceof OCFile){
+ tagId = String.valueOf(((OCFile)mFile).getFileId());
+ } else if (mFile instanceof File){
+ tagId = String.valueOf(mFile.hashCode());
+ }
+ if (String.valueOf(imageView.getTag()).equals(tagId)) {
imageView.setImageBitmap(bitmap);
}
}
}
}
- }
- public static class ThumbnailGenerationTask extends AsyncTask<OCFile, Void, Bitmap> {
- private final WeakReference<ImageView> mImageViewReference;
- private static Account mAccount;
- private OCFile mFile;
- private FileDataStorageManager mStorageManager;
-
- public ThumbnailGenerationTask(ImageView imageView, FileDataStorageManager storageManager, Account account) {
- // Use a WeakReference to ensure the ImageView can be garbage collected
- mImageViewReference = new WeakReference<ImageView>(imageView);
- if (storageManager == null)
- throw new IllegalArgumentException("storageManager must not be NULL");
- mStorageManager = storageManager;
- mAccount = account;
+ /**
+ * Add thumbnail to cache
+ * @param imageKey: thumb key
+ * @param bitmap: image for extracting thumbnail
+ * @param path: image path
+ * @param px: thumbnail dp
+ * @return Bitmap
+ */
+ private Bitmap addThumbnailToCache(String imageKey, Bitmap bitmap, String path, int px){
+
+ Bitmap thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
+
+ // Rotate image, obeying exif tag
+ thumbnail = BitmapUtils.rotateImage(thumbnail,path);
+
+ // Add thumbnail to cache
+ addBitmapToCache(imageKey, thumbnail);
+
+ return thumbnail;
}
- // Decode image in background.
- @Override
- protected Bitmap doInBackground(OCFile... params) {
- Bitmap thumbnail = null;
-
- try {
- if (mAccount != null) {
- AccountManager accountMgr = AccountManager.get(MainApp.getAppContext());
-
- mServerVersion = accountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
- OwnCloudAccount ocAccount = new OwnCloudAccount(mAccount, MainApp.getAppContext());
- mClient = OwnCloudClientManagerFactory.getDefaultSingleton().
- getClientFor(ocAccount, MainApp.getAppContext());
- }
-
- mFile = params[0];
- final String imageKey = String.valueOf(mFile.getRemoteId());
-
- // Check disk cache in background thread
- thumbnail = getBitmapFromDiskCache(imageKey);
-
- // Not found in disk cache
- if (thumbnail == null || mFile.needsUpdateThumbnail()) {
- // Converts dp to pixel
- Resources r = MainApp.getAppContext().getResources();
-
- int px = (int) Math.round(r.getDimension(R.dimen.file_icon_size));
-
- if (mFile.isDown()){
- Bitmap bitmap = BitmapUtils.decodeSampledBitmapFromFile(
- mFile.getStoragePath(), px, px);
-
- if (bitmap != null) {
- thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
-
- // Rotate image, obeying exif tag
- thumbnail = BitmapUtils.rotateImage(thumbnail, mFile.getStoragePath());
-
- // Add thumbnail to cache
- addBitmapToCache(imageKey, thumbnail);
+ /**
+ * Converts size of file icon from dp to pixel
+ * @return int
+ */
+ private int getThumbnailDimension(){
+ // Converts dp to pixel
+ Resources r = MainApp.getAppContext().getResources();
+ return Math.round(r.getDimension(R.dimen.file_icon_size_grid));
+ }
- mFile.setNeedsUpdateThumbnail(false);
- mStorageManager.saveFile(mFile);
+ private Bitmap doOCFileInBackground() {
+ OCFile file = (OCFile)mFile;
+
+ final String imageKey = String.valueOf(file.getRemoteId());
+
+ // Check disk cache in background thread
+ Bitmap thumbnail = getBitmapFromDiskCache(imageKey);
+
+ // Not found in disk cache
+ if (thumbnail == null || file.needsUpdateThumbnail()) {
+
+ int px = getThumbnailDimension();
+
+ if (file.isDown()) {
+ Bitmap temp = BitmapUtils.decodeSampledBitmapFromFile(
+ file.getStoragePath(), px, px);
+ Bitmap bitmap = ThumbnailUtils.extractThumbnail(temp, px, px);
+
+ if (bitmap != null) {
+ // Handle PNG
+ if (file.getMimetype().equalsIgnoreCase("image/png")) {
+ bitmap = handlePNG(bitmap, px);
}
-
- } else {
- // Download thumbnail from server
- if (mClient != null && mServerVersion != null) {
- OwnCloudVersion serverOCVersion = new OwnCloudVersion(mServerVersion);
- if (serverOCVersion.compareTo(new OwnCloudVersion(MINOR_SERVER_VERSION_FOR_THUMBS)) >= 0) {
- try {
- int status = -1;
-
- String uri = mClient.getBaseUri() + "/index.php/apps/files/api/v1/thumbnail/" +
- px + "/" + px + Uri.encode(mFile.getRemotePath(), "/");
- Log_OC.d("Thumbnail", "URI: " + uri);
- GetMethod get = new GetMethod(uri);
- status = mClient.executeMethod(get);
- if (status == HttpStatus.SC_OK) {
- byte[] bytes = get.getResponseBody();
- Bitmap bitmap = BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
- thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
-
- // Add thumbnail to cache
- if (thumbnail != null) {
- addBitmapToCache(imageKey, thumbnail);
- }
+
+ thumbnail = addThumbnailToCache(imageKey, bitmap, file.getStoragePath(), px);
+
+ file.setNeedsUpdateThumbnail(false);
+ mStorageManager.saveFile(file);
+ }
+
+ } else {
+ // Download thumbnail from server
+ OwnCloudVersion serverOCVersion = AccountUtils.getServerVersion(mAccount);
+ if (mClient != null && serverOCVersion != null) {
+ if (serverOCVersion.supportsRemoteThumbnails()) {
+ GetMethod get = null;
+ try {
+ String uri = mClient.getBaseUri() + "" +
+ "/index.php/apps/files/api/v1/thumbnail/" +
+ px + "/" + px + Uri.encode(file.getRemotePath(), "/");
+ Log_OC.d("Thumbnail", "URI: " + uri);
+ get = new GetMethod(uri);
+ int status = mClient.executeMethod(get);
+ if (status == HttpStatus.SC_OK) {
+ InputStream inputStream = get.getResponseBodyAsStream();
+ Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
+ thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
+
+ // Handle PNG
+ if (file.getMimetype().equalsIgnoreCase("image/png")) {
+ thumbnail = handlePNG(thumbnail, px);
+ }
+
+ // Add thumbnail to cache
+ if (thumbnail != null) {
+ addBitmapToCache(imageKey, thumbnail);
}
- } catch (Exception e) {
- e.printStackTrace();
+ } else {
+ mClient.exhaustResponse(get.getResponseBodyAsStream());
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ } finally {
+ if (get != null) {
+ get.releaseConnection();
}
- } else {
- Log_OC.d(TAG, "Server too old");
}
+ } else {
+ Log_OC.d(TAG, "Server too old");
}
}
}
-
- } catch (Throwable t) {
- // the app should never break due to a problem with thumbnails
- Log_OC.e(TAG, "Generation of thumbnail for " + mFile + " failed", t);
- if (t instanceof OutOfMemoryError) {
- System.gc();
+ }
+
+ return thumbnail;
+
+ }
+
+ private Bitmap handlePNG(Bitmap bitmap, int px){
+ Bitmap resultBitmap = Bitmap.createBitmap(px,
+ px,
+ Bitmap.Config.ARGB_8888);
+ Canvas c = new Canvas(resultBitmap);
+
+ c.drawColor(MainApp.getAppContext().getResources().
+ getColor(R.color.background_color));
+ c.drawBitmap(bitmap, 0, 0, null);
+
+ return resultBitmap;
+ }
+
+ private Bitmap doFileInBackground() {
+ File file = (File)mFile;
+
+ final String imageKey = String.valueOf(file.hashCode());
+
+ // Check disk cache in background thread
+ Bitmap thumbnail = getBitmapFromDiskCache(imageKey);
+
+ // Not found in disk cache
+ if (thumbnail == null) {
+
+ int px = getThumbnailDimension();
+
+ Bitmap bitmap = BitmapUtils.decodeSampledBitmapFromFile(
+ file.getAbsolutePath(), px, px);
+
+ if (bitmap != null) {
+ thumbnail = addThumbnailToCache(imageKey, bitmap, file.getPath(), px);
}
}
-
return thumbnail;
}
-
- protected void onPostExecute(Bitmap bitmap){
- if (isCancelled()) {
- bitmap = null;
+
+ }
+
+ public static boolean cancelPotentialWork(Object file, ImageView imageView) {
+ final ThumbnailGenerationTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
+
+ if (bitmapWorkerTask != null) {
+ final Object bitmapData = bitmapWorkerTask.mFile;
+ // If bitmapData is not yet set or it differs from the new data
+ if (bitmapData == null || bitmapData != file) {
+ // Cancel previous task
+ bitmapWorkerTask.cancel(true);
+ Log_OC.v(TAG, "Cancelled generation of thumbnail for a reused imageView");
+ } else {
+ // The same work is already in progress
+ return false;
}
+ }
+ // No task associated with the ImageView, or an existing task was cancelled
+ return true;
+ }
- if (mImageViewReference != null && bitmap != null) {
- final ImageView imageView = mImageViewReference.get();
- final ThumbnailGenerationTask bitmapWorkerTask =
- getBitmapWorkerTask(imageView);
- if (this == bitmapWorkerTask && imageView != null) {
- if (imageView.getTag().equals(mFile.getFileId())) {
- imageView.setImageBitmap(bitmap);
- }
- }
+ public static ThumbnailGenerationTask getBitmapWorkerTask(ImageView imageView) {
+ if (imageView != null) {
+ final Drawable drawable = imageView.getDrawable();
+ if (drawable instanceof AsyncDrawable) {
+ final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
+ return asyncDrawable.getBitmapWorkerTask();
}
}
+ return null;
}
-
-
+
public static class AsyncDrawable extends BitmapDrawable {
private final WeakReference<ThumbnailGenerationTask> bitmapWorkerTaskReference;
public AsyncDrawable(
Resources res, Bitmap bitmap, ThumbnailGenerationTask bitmapWorkerTask
- ) {
-
+ ) {
+
super(res, bitmap);
bitmapWorkerTaskReference =
- new WeakReference<ThumbnailGenerationTask>(bitmapWorkerTask);
+ new WeakReference<ThumbnailGenerationTask>(bitmapWorkerTask);
}
public ThumbnailGenerationTask getBitmapWorkerTask() {
return bitmapWorkerTaskReference.get();
}
}
-
- public static class AsyncLocalDrawable extends BitmapDrawable {
- private final WeakReference<ThumbnailLocalGenerationTask> bitmapWorkerLocalTaskReference;
-
- public AsyncLocalDrawable(Resources res, Bitmap bitmap, ThumbnailLocalGenerationTask bitmapWorkerTask) {
- super(res, bitmap);
- bitmapWorkerLocalTaskReference =
- new WeakReference<ThumbnailLocalGenerationTask>(bitmapWorkerTask);
- }
-
- public ThumbnailLocalGenerationTask getBitmapWorkerTask() {
- return bitmapWorkerLocalTaskReference.get();
- }
- }
-
-
- /**
- * Remove from cache the remoteId passed
- * @param fileRemoteId: remote id of mFile passed
- */
- public static void removeFileFromCache(String fileRemoteId){
- synchronized (mThumbnailsDiskCacheLock) {
- if (mThumbnailCache != null) {
- mThumbnailCache.removeKey(fileRemoteId);
- }
- mThumbnailsDiskCacheLock.notifyAll(); // Wake any waiting threads
- }
- }
-
}
projects / pub / Android / ownCloud.git / blobdiff