Merge pull request #740 from owncloud/revert-669-master

[pub/Android/ownCloud.git] / src / com / owncloud / android / datamodel / ThumbnailsCacheManager.java

diff --git a/src/com/owncloud/android/datamodel/ThumbnailsCacheManager.java b/src/com/owncloud/android/datamodel/ThumbnailsCacheManager.java
index e75404e..1d2cda8 100644 (file)
--- a/src/com/owncloud/android/datamodel/ThumbnailsCacheManager.java
+++ b/src/com/owncloud/android/datamodel/ThumbnailsCacheManager.java
@@ -20,19 +20,30 @@ package com.owncloud.android.datamodel;
 import java.io.File;
 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.BitmapFactory;
 import android.graphics.Bitmap.CompressFormat;
+import android.graphics.BitmapFactory;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.media.ThumbnailUtils;
+import android.net.Uri;
 import android.os.AsyncTask;
-import android.util.TypedValue;
 import android.widget.ImageView;
 
 import com.owncloud.android.MainApp;
+import com.owncloud.android.R;
+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.BitmapUtils;
 import com.owncloud.android.utils.DisplayUtils;
@@ -47,7 +58,8 @@ public class ThumbnailsCacheManager {
     
     private static final String TAG = ThumbnailsCacheManager.class.getSimpleName();
     
-    private static final String CACHE_FOLDER = "thumbnailCache"; 
+    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;
@@ -56,7 +68,9 @@ public class ThumbnailsCacheManager {
     private static final int DISK_CACHE_SIZE = 1024 * 1024 * 10; // 10MB
     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(), 
@@ -65,10 +79,12 @@ public class ThumbnailsCacheManager {
 
     
     public static class InitDiskCacheTask extends AsyncTask<File, Void, Void> {
+
         @Override
         protected Void doInBackground(File... params) {
             synchronized (mThumbnailsDiskCacheLock) {
                 mThumbnailCacheStarting = true;
+
                 if (mThumbnailCache == null) {
                     try {
                         // Check if media is mounted or storage is built-in, if so, 
@@ -153,15 +169,17 @@ public class ThumbnailsCacheManager {
 
     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) {
+        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;
         }
 
         // Decode image in background.
@@ -170,6 +188,15 @@ public class ThumbnailsCacheManager {
             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());
     
@@ -180,9 +207,8 @@ public class ThumbnailsCacheManager {
                 if (thumbnail == null || mFile.needsUpdateThumbnail()) { 
                     // Converts dp to pixel
                     Resources r = MainApp.getAppContext().getResources();
-                    int px = (int) Math.round(TypedValue.applyDimension(
-                            TypedValue.COMPLEX_UNIT_DIP, 150, r.getDisplayMetrics()
-                    ));
+                    
+                    int px = (int) Math.round(r.getDimension(R.dimen.file_icon_size));
                     
                     if (mFile.isDown()){
                         Bitmap bitmap = BitmapUtils.decodeSampledBitmapFromFile(
@@ -198,6 +224,36 @@ public class ThumbnailsCacheManager {
                             mStorageManager.saveFile(mFile);
                         }
     
+                    } 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);
+                                        }
+                                    }
+                                } catch (Exception e) {
+                                    e.printStackTrace();
+                                }
+                            } else {
+                                Log_OC.d(TAG, "Server too old");
+                            }
+                        }
                     }
                 }