Optimized binding to OperationsService to grant no result is lost

src/com/owncloud/android/authentication/AuthenticatorActivity.java

@@ -114,7 +114,7 @@ SsoWebViewClientListener, OnSslUntrustedCertListener {
     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
     private static final String KEY_SERVER_AUTH_METHOD = "SERVER_AUTH_METHOD";
-    private static final String KEY_WAITING_FOR_OP_ID = "DETECT_AUTH_OP_ID";
+    private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
     private static final String KEY_AUTH_TOKEN = "AUTH_TOKEN";
 
     private static final String AUTH_ON = "on";

src/com/owncloud/android/files/FileOperationsHelper.java

@@ -49,6 +49,9 @@ public class FileOperationsHelper {
     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG"; 
 
     protected FileActivity mFileActivity = null;
+
+    /// Identifier of operation in progress which result shouldn't be lost 
+    private long mWaitingForOpId = Long.MAX_VALUE;
     
     public FileOperationsHelper(FileActivity fileActivity) {
         mFileActivity = fileActivity;
@@ -121,7 +124,7 @@ public class FileOperationsHelper {
             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
-            mFileActivity.getOperationsServiceBinder().newOperation(service);
+            mWaitingForOpId = mFileActivity.getOperationsServiceBinder().newOperation(service);
             
         } else {
             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
@@ -159,7 +162,7 @@ public class FileOperationsHelper {
             service.setAction(OperationsService.ACTION_UNSHARE);
             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
-            mFileActivity.getOperationsServiceBinder().newOperation(service);
+            mWaitingForOpId = mFileActivity.getOperationsServiceBinder().newOperation(service);
             
             mFileActivity.showLoadingDialog();
             
@@ -197,7 +200,7 @@ public class FileOperationsHelper {
         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath()); 
         service.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
-        mFileActivity.getOperationsServiceBinder().newOperation(service);
+        mWaitingForOpId = mFileActivity.getOperationsServiceBinder().newOperation(service);
         
         mFileActivity.showLoadingDialog();
     }
@@ -210,7 +213,7 @@ public class FileOperationsHelper {
         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
-        mFileActivity.getOperationsServiceBinder().newOperation(service);
+        mWaitingForOpId = mFileActivity.getOperationsServiceBinder().newOperation(service);
         
         mFileActivity.showLoadingDialog();
     }
@@ -223,7 +226,7 @@ public class FileOperationsHelper {
         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
-        mFileActivity.getOperationsServiceBinder().newOperation(service);
+        mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().newOperation(service);
         
         mFileActivity.showLoadingDialog();
     }
@@ -236,8 +239,18 @@ public class FileOperationsHelper {
         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
-        mFileActivity.getOperationsServiceBinder().newOperation(service);
+        mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().newOperation(service);
         
         mFileActivity.showLoadingDialog();
     }
+
+
+    public long getOpIdWaitingFor() {
+        return mWaitingForOpId;
+    }
+
+
+    public void setOpIdWaitingFor(long waitingForOpId) {
+        mWaitingForOpId = waitingForOpId;
+    }
 }

src/com/owncloud/android/ui/activity/FileActivity.java

@@ -75,6 +75,7 @@ implements OnRemoteOperationListener, ComponentsGetter {
     public static final String TAG = FileActivity.class.getSimpleName();
     
     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
+    private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";;
     
     
     /** OwnCloud {@link Account} where the main {@link OCFile} handled by the activity is located. */
@@ -129,6 +130,9 @@ implements OnRemoteOperationListener, ComponentsGetter {
             account = savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT);
             mFile = savedInstanceState.getParcelable(FileActivity.EXTRA_FILE);
             mFromNotification = savedInstanceState.getBoolean(FileActivity.EXTRA_FROM_NOTIFICATION);
+            mFileOperationsHelper.setOpIdWaitingFor(
+                    savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID, Long.MAX_VALUE)
+                    );
         } else {
             account = getIntent().getParcelableExtra(FileActivity.EXTRA_ACCOUNT);
             mFile = getIntent().getParcelableExtra(FileActivity.EXTRA_FILE);
@@ -179,6 +183,24 @@ implements OnRemoteOperationListener, ComponentsGetter {
         }
     }
     
+    @Override
+    protected void onResume() {
+        super.onResume();
+        
+        if (mOperationsServiceBinder != null) {
+            doOnResumeAndBound();
+        }
+
+    }
+    
+    @Override
+    protected void onPause()  {
+        if (mOperationsServiceBinder != null) {
+            mOperationsServiceBinder.removeOperationListener(this);
+        }
+        
+        super.onPause();
+    }
     
     @Override 
     protected void onStop() {
@@ -285,6 +307,7 @@ implements OnRemoteOperationListener, ComponentsGetter {
         outState.putParcelable(FileActivity.EXTRA_FILE, mFile);
         outState.putParcelable(FileActivity.EXTRA_ACCOUNT, mAccount);
         outState.putBoolean(FileActivity.EXTRA_FROM_NOTIFICATION, mFromNotification);
+        outState.putLong(KEY_WAITING_FOR_OP_ID, mFileOperationsHelper.getOpIdWaitingFor());
     }
     
     
@@ -424,6 +447,9 @@ implements OnRemoteOperationListener, ComponentsGetter {
     @Override
     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
         Log_OC.d(TAG, "Received result of operation in FileActivity - common behaviour for all the FileActivities ");
+        
+        mFileOperationsHelper.setOpIdWaitingFor(Long.MAX_VALUE);
+        
         if (operation instanceof CreateShareOperation) {
             onCreateShareOperationFinish((CreateShareOperation) operation, result);
             
@@ -502,6 +528,15 @@ implements OnRemoteOperationListener, ComponentsGetter {
     }
 
     
+    private void doOnResumeAndBound() {
+        mOperationsServiceBinder.addOperationListener(FileActivity.this, mHandler);
+        long waitingForOpId = mFileOperationsHelper.getOpIdWaitingFor();
+        if (waitingForOpId <= Integer.MAX_VALUE) {
+            mOperationsServiceBinder.dispatchResultIfFinished((int)waitingForOpId, this);
+        }
+    }
+
+
     /** 
      * Implements callback methods for service binding. Passed as a parameter to { 
      */
@@ -512,10 +547,10 @@ implements OnRemoteOperationListener, ComponentsGetter {
             if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
                 Log_OC.d(TAG, "Operations service connected");
                 mOperationsServiceBinder = (OperationsServiceBinder) service;
-                mOperationsServiceBinder.addOperationListener(FileActivity.this, mHandler);
-                if (!mOperationsServiceBinder.isPerformingBlockingOperation()) {
+                /*if (!mOperationsServiceBinder.isPerformingBlockingOperation()) {
                     dismissLoadingDialog();
-                }
+                }*/
+                doOnResumeAndBound();
 
             } else {
                 return;