From d6f9e415375f53eba7c5e147c7ff30c03a6db731 Mon Sep 17 00:00:00 2001
From: Jacobo Aragunde Pérez <jaragunde@igalia.com>
Date: Tue, 27 Jan 2015 12:44:42 +0000
Subject: Android: download documents from ownCloud.
MIME-Version: 1.0
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Documents are downloaded to the private cache directory of the app,
and opened from there. That directory is cleared and created again
every time the application starts up.

Change-Id: I5c05c8ae750b6ced3b419c67d84063e8ee3d84aa
Reviewed-on: https://gerrit.libreoffice.org/16192
Reviewed-by: Jacobo Aragunde Pérez <jaragunde@igalia.com>
Tested-by: Jacobo Aragunde Pérez <jaragunde@igalia.com>
---
 .../libreoffice/storage/owncloud/OwnCloudFile.java | 11 ++++++--
 .../storage/owncloud/OwnCloudProvider.java         | 32 ++++++++++++++++++++++
 2 files changed, 41 insertions(+), 2 deletions(-)

(limited to 'android')

diff --git a/android/source/src/java/org/libreoffice/storage/owncloud/OwnCloudFile.java b/android/source/src/java/org/libreoffice/storage/owncloud/OwnCloudFile.java
index 8e6d6cf136ff..a8d1a06e3092 100644
--- a/android/source/src/java/org/libreoffice/storage/owncloud/OwnCloudFile.java
+++ b/android/source/src/java/org/libreoffice/storage/owncloud/OwnCloudFile.java
@@ -10,6 +10,7 @@ import java.util.List;
 import org.libreoffice.storage.IFile;
 
 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
+import com.owncloud.android.lib.resources.files.DownloadRemoteFileOperation;
 import com.owncloud.android.lib.resources.files.ReadRemoteFolderOperation;
 import com.owncloud.android.lib.resources.files.RemoteFile;
 
@@ -97,8 +98,14 @@ public class OwnCloudFile implements IFile {
 
     @Override
     public File getDocument() {
-        // TODO Auto-generated method stub
-        return null;
+        if (isDirectory()) {
+            return null;
+        }
+        File downFolder = provider.getCacheDir();
+        DownloadRemoteFileOperation operation = new DownloadRemoteFileOperation(
+                file.getRemotePath(), downFolder.getAbsolutePath());
+        operation.execute(provider.getClient());
+        return new File(downFolder.getAbsolutePath() + file.getRemotePath());
     }
 
     @Override
diff --git a/android/source/src/java/org/libreoffice/storage/owncloud/OwnCloudProvider.java b/android/source/src/java/org/libreoffice/storage/owncloud/OwnCloudProvider.java
index 7bd78e3550e5..db2b69825c6a 100644
--- a/android/source/src/java/org/libreoffice/storage/owncloud/OwnCloudProvider.java
+++ b/android/source/src/java/org/libreoffice/storage/owncloud/OwnCloudProvider.java
@@ -1,5 +1,6 @@
 package org.libreoffice.storage.owncloud;
 
+import java.io.File;
 import java.net.URI;
 
 import org.libreoffice.R;
@@ -23,6 +24,7 @@ import com.owncloud.android.lib.resources.files.RemoteFile;
 public class OwnCloudProvider implements IDocumentProvider {
 
     private OwnCloudClient client;
+    private File cacheDir;
 
     // TODO: these must be configurable
     final private String serverUrl = "http://10.0.2.2/owncloud"; //emulator host machine
@@ -36,6 +38,13 @@ public class OwnCloudProvider implements IDocumentProvider {
         client.setCredentials(OwnCloudCredentialsFactory.newBasicCredentials(
                 userName, password));
 
+        // make sure cache directory exists, and clear it
+        // TODO: probably we should do smarter cache management
+        cacheDir = new File(context.getCacheDir(), "ownCloud");
+        if (cacheDir.exists()) {
+            deleteRecursive(cacheDir);
+        }
+        cacheDir.mkdirs();
     }
 
     @Override
@@ -73,4 +82,27 @@ public class OwnCloudProvider implements IDocumentProvider {
         return client;
     }
 
+    /**
+     * Used by OwnCloudFiles to get the cache directory they should download
+     * files to.
+     *
+     * @return cache directory.
+     */
+    protected File getCacheDir() {
+        return cacheDir;
+    }
+
+    /**
+     * Deletes files and recursively deletes directories.
+     *
+     * @param file
+     *            File or directory to be deleted.
+     */
+    private void deleteRecursive(File file) {
+        if (file.isDirectory()) {
+            for (File child : file.listFiles())
+                deleteRecursive(child);
+        }
+        file.delete();
+    }
 }
-- 
cgit